JP2016097589A - Panel and vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a panel having a conductive part such as a circuit integrally formed therewith.SOLUTION: A panel 1 has a synthetic resin panel body 2 having a front face and a rear face, and a synthetic resin frame-like part 3 provided at an edge of the rear face of the panel body 2. An insert molding 4 having a conductive part is integrated with at least one of the panel body 2 and frame-like part 3. The conductive part of the insert molding 4 is formed by LDS (laser direct structuring) method.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a panel mainly made of a synthetic resin, and more particularly to a panel suitable for use as a transparent panel member for a roof or window of a vehicle such as an automobile. More specifically, the present invention relates to a panel integrally provided with a conductive portion constituting an electric circuit such as an antenna and a heat wire.

  As a resin window plate for automobiles, a two-color molded product in which a transparent resin panel is formed with an opaque resin at the periphery is disclosed in Patent Document 1 (JP 2008-94087) and Patent Document 2 (JP 2011-2011). 121305).

  In Patent Documents 1 and 2, as a method of forming a panel made of a two-color molded product having a frame-like portion provided on the peripheral edge of the panel body, a plate-like panel body (primary molded product) is injection molded, and then the panel A method is described in which a frame-like portion (secondary molded product) is injection-molded on the peripheral portion of one surface (rear surface) of the main body. That is, after the primary material is injected into the mold to form the primary molded product (panel body), the mold is opened so that the primary molded product remains attached to the core side, and then the secondary molded product is molded. A molding method is described in which a mold is closed, a secondary material is injected to form a secondary molded product (frame-shaped portion), and then a panel-shaped molded body is taken out from the mold.

  Automotive window glass includes power wiring for antennas and conductive wiring for defocking (anti-fogging and clouding), room lamps installed on panoramic roofs and sunroofs, and high-mount stop lamps installed on the back window. A supply circuit may be provided.

  Since the antenna has directivity, performance is affected by its position and direction. For this reason, in order to improve the performance of the antenna, it is necessary to install it in various directions. Projection parts (directivity in the direction perpendicular to glass), bent parts, curved parts, etc., which were conventionally difficult to install Is desired to be installed in the three-dimensional shape.

  In addition, room lamps installed in the car can be embedded in the window frame or installed on a vertical surface to expand the transparent area to improve the sense of openness and improve design. It is requested.

  In such a background, as a technique for providing a hot wire for anti-fogging or a radio antenna on a resin window member, Patent Document 3 discloses that a resin film printed with a hot wire is placed in an injection mold and molded. A method for manufacturing an integrated resin window member is described.

  Patent Documents 4 and 5 describe a resin window material for a vehicle window in which a resin film on which an antenna is printed is disposed and molded in an injection mold and molded.

  Patent Documents 6 and 7 describe a synthetic resin window material in which a terminal for supplying power is provided from an antenna or an electric line provided by a sheet insert.

  When a printed circuit is formed by using a conductive paste on a sheet or film and is integrated with a panel, the sheet will be bent if it is applied to a part with a small curvature, protrusion, unevenness, or three-dimensional shape. Since it cuts, it can apply only to the shape near a plane.

  Similarly, even if there are protrusions, irregularities, three-dimensional shapes, etc. on the anti-film insert side, the insert sheet bends due to the effects of sink marks and warpage, and the printed circuit is cut, so the shape is close to a flat surface. Only applicable.

  Further, in order to supply power to an electric circuit formed by printing, it is necessary to dispose other parts such as a terminal connection portion and an electrode terminal at an end portion (electrode portion) of the electric circuit.

  Furthermore, since the terminal connection part and the electrode terminal arranged as separate parts are made of metal, a difference in linear expansion from the thermoplastic resin forming the periphery of the part occurs, and the metal terminal is attached due to a change in temperature environment. There is a possibility that the resin part may be cracked or deformed, or the metal terminal may be detached.

  In addition, when a circuit is formed on the outer surface side (design surface side), the circuit protrudes in a convex shape, so that the circuit is worn or cut due to friction with surrounding parts, wiping, washing, etc. There is a risk of Furthermore, when a cured film or a coating film is formed on the surface having a circuit, unevenness in film thickness or liquid pool occurs, and the durability of the film or coating film may decrease or visibility may deteriorate.

  In recent years, with the development of mobile phones including smartphones, various methods for manufacturing antennas inside mobile phones have been studied. In particular, there is a need for a method of manufacturing an antenna that can be three-dimensionally designed for a mobile phone. As one of the techniques for forming such a three-dimensional antenna, a laser direct structuring (hereinafter, also referred to as “LDS”) technique has attracted attention. LDS technology, for example, irradiates the surface of a resin molded product containing an LDS additive with a laser, activates only the portion irradiated with the laser, and forms a plating layer by applying metal to the activated portion. Technology. A feature of this technique is that a metal structure such as an antenna can be manufactured directly on the surface of the resin base material without using an adhesive or the like. Such LDS technology is disclosed in, for example, Patent Document 8 and the like.

JP2008-94087 JP2011-121305A JP-A-6-170883 JP 2002-26623 A JP2007-110216 JP-A-8-99610 JP 2000-289458 A JP2014-74162

  An object of this invention is to provide the panel in which conductive parts, such as a circuit, were provided integrally.

  In one aspect of the present invention, the panel has protrusions and irregularities, and the conductive parts have excellent durability and reliability even when the conductive parts such as circuits are arranged on the protrusions and irregularities. It aims at providing the panel which is.

  In order to achieve the above object, the present invention has the following gist.

[1] A molded body in which a conductive portion is formed in a panel including a panel body made of a synthetic resin having a front surface and a rear surface, and a frame-shaped portion made of a synthetic resin provided on a peripheral edge of the rear surface of the panel body. Is integrated with at least one of the panel main body and the frame-shaped portion.

[2] The panel according to [1], wherein the conductive portion is provided on at least a part of a protrusion, an uneven portion, a bent portion, and a curved portion of the molded body.

[3] The panel according to [1] or [2], wherein the conductive part formed on the molded body is formed by a laser direct structuring method.

[4] The panel according to [1] to [3], wherein at least a part of the conductive portion formed on the molded body is exposed on the surface of the panel.

[5] The panel according to any one of [1] to [4], wherein a connection portion for supplying power is integrally provided.

[6] The panel according to [5], wherein the connecting portion for supplying power includes a projecting piece.

[7] The panel according to [1] to [6], wherein the synthetic resin material constituting the panel body is an aromatic polycarbonate resin composition.

[8] The synthetic resin material constituting the frame-shaped portion is one or more thermoplastic resin compositions selected from the group consisting of aromatic polycarbonate resins, polyester resins, polyamide resins, and styrene resins. [1] to [7].

[9] One or two or more resin components 100 selected from the group consisting of an aromatic polycarbonate resin, a polyester resin, a polyamide resin, and a styrenic resin are used as the synthetic resin material constituting the molded body on which the conductive portion is formed. The panel according to [1] to [8], which is a thermoplastic resin composition containing 2 to 30 parts by weight of a laser direct structuring additive with respect to parts by weight.

[10] At least one of the synthetic resin materials constituting the molded body on which the frame-shaped part and the conductive part are formed is selected from the group consisting of glass fiber, carbon fiber, organic fiber, talc, mica, and wollastonite. The panel according to [1] to [9], which is a thermoplastic resin composition containing one or more fillers.

[11] A hard coating is formed on one or both of the front surface of the panel body and a region other than a portion of the rear surface of the panel body where the frame-shaped portion is provided. Panels 1] to [10].

[12] A vehicle including the panels [1] to [11].

  In the panel of the present invention, since the molded body having the conductive portion is integrated with the panel main body or the frame-like portion, the conductive portion can be easily formed on the panel.

  By forming the conductive portion by the LDS method, the conductive portion can be easily formed even if the panel has a protruding portion, an uneven portion, a curved portion, a bent portion, or the like. Even if the conductive part formed by the LDS method is exposed on the outer surface of the panel, the durability tends to be good.

  In the present invention, by providing a projecting piece portion on the molded body and forming a conductive portion in that portion, the projecting piece portion can function as a connecting portion such as a connector.

(A) is a perspective view from the front side of the panel which concerns on embodiment, (b) is a perspective view from the rear surface side of this panel. It is the II-II sectional view taken on the line of FIG. It is a perspective view of the insert molding used for a panel. (A) is a frame-shaped insert molded body which circulates the peripheral part of a panel, (b), (c) is a perspective view of the insert molded object provided in a part of peripheral part of a panel. It is an enlarged view of IV part of Fig.3 (a). It is the VV sectional view taken on the line of FIG. It is sectional drawing of the metal mold | die explaining the shaping | molding method of a panel. It is sectional drawing of the metal mold | die explaining the shaping | molding method of a panel. It is a sectional view of a part of the panel concerning an embodiment. It is a sectional view of a part of the panel concerning an embodiment. It is a one part perspective view of an insert molded object. It is sectional drawing of the panel which concerns on embodiment. It is sectional drawing of the panel which concerns on embodiment. It is sectional drawing of the panel which concerns on embodiment. It is sectional drawing of the panel which concerns on embodiment. It is sectional drawing of the panel which concerns on embodiment.

  Hereinafter, embodiments will be described with reference to the drawings. 1 to 5 show a panel 1 according to the first embodiment, and FIGS. 6 and 7 show a molding method of the panel 1.

  This panel 1 is a resin window plate of a vehicle. The panel 1 is two-color molded by a two-color molding apparatus as will be described later, and circulates around the transparent plate-like panel body 2 as a primary molded body and the entire peripheral edge of the rear surface of the panel body 2. And a frame-like portion 3 as a secondary molded body. The frame-like portion 3 is opaque, and the inner side of the frame-like portion 3, that is, the panel central portion where the frame-like portion 3 does not overlap is transparent. The panel 1 is preferably curved so that the front side is convex.

  A hard coating stock solution is applied to the entire front surface of the panel main body 2 of the panel 1 and a transparent area inside the frame-shaped portion 3 on the rear surface of the panel main body 2, and then cured by UV irradiation or heating to form a hard coating. (Hard coat layer) may be formed.

  The thickness of the panel body 2 is preferably 1 to 10 mm, particularly 1.5 to 8 mm, particularly 2 to 5 mm. The thickness of the frame-like part 3 is preferably 1 to 10 mm, particularly 1.5 to 8 mm, particularly 2 to 4 mm.

  The panel 1 is provided with an insert molded body 4 as a molded body having a conductive portion 5. The insert molded body 4 is preferably made of an injection molded body of synthetic resin, and a conductive portion 5 is provided on a part of the outer surface. In the present invention, film-like and sheet-like articles having an average thickness of 0.8 mm or less are excluded from the insert-molded body 4 as the molded body on which the conductive portion 5 is formed.

In this embodiment, the insert molded body 4 includes a frame-like insert molded body main portion 4a that circulates around the peripheral edge of the panel 1, and one or a plurality of projecting projections from the insert molded body main portion 4a (this embodiment). In this embodiment, four legs 4b are provided. As shown in FIG. 2, in this embodiment, the insert molded body main portion 4a is exposed on the front surface of the panel body 2, and the surface of the main portion 4a and the front surface of the panel body 2 are flush with each other. . The leg portion 4 b protrudes through the panel body 2 and the frame-like portion 3 to the rear surface side of the panel 1.
In this embodiment, as shown in FIG. 3A, the main portion 4a extends over the entire peripheral portion of the panel 1, but the main portion 4a and the leg portion 4b are electrically conductive at the peripheral portion of the panel 1. It suffices if it is at least partially provided at a necessary location. In this case, for example, insert molded bodies 4 ′ and 4 ″ as shown in FIGS. 3B and 3C can be used. In the present invention, from the viewpoint of minimizing the distance from the power supply portion to the panel main body to the circuit and illumination, and from the viewpoint of simplicity in manufacturing, the insert molded bodies 4 ′, 4 ″ are the panels. It is preferable to be partially provided at a location where electrical conductivity is required.

  The conductive portion 5 is formed by an LDS (Laser Direct Structuring) method.

  In this LDS method, a conductive part formation scheduled part on the surface of the molded body is irradiated with laser to activate or roughen the surface, and then electroless plating is performed to form a conductive part only in the laser irradiated part. According to this LDS method, the conductive portion can be easily formed even if the insert molded body 4 has a protrusion, an uneven portion, a bent portion, a curved portion, or the like. Since the conductive portion 5 formed by the LDS method is integrated with the insert molded body 4, there is a problem caused by a difference in linear expansion that occurs when a metal part is used for the terminal connection portion or the electrode terminal, There are few problems of wear and deterioration of conductive parts.

In this embodiment, as shown in FIG. 4, the conductive portion 5 is formed in a continuous strip shape from the front surface (upper surface in FIG. 4) of the main portion 4a to the side surface of the leg portion 4b. An antenna is configured.
In this embodiment, the conductive portion 5 is formed on the entire front surface of the main portion 4a. However, the conductive portion 5 may be formed at a location where the peripheral portion of the panel 1 needs to be conductive. As described above, the conductive portion 5 can also be formed by installing the insert molded body 4 having the conductive portion 5 only in a portion where the conductive portion is required.

  Since the tip of the leg portion 4b protrudes from the rear surface of the panel 1, the conductive portion 5 can be connected to the receiving device by attaching a connector (not shown in FIGS. 1 to 4) to the leg portion 4b.

  In this embodiment, a part of the conductive portion 5 is provided on the front surface of the main portion 4a. However, since the front surface of the main portion 4a is flush with the front surface of the panel body 2, the front surface of the main portion 4a is There is little possibility that the conductive portion 5 is worn out or cut.

  Next, a method for forming the panel 1 will be described with reference to FIGS.

  As shown in FIG. 6, an insert molded body 4 having a conductive portion 5 is disposed in a cavity 10 formed between a first mold 11 and a second mold 12, and a panel body is placed in the cavity 10. The panel body 2 is molded by injecting a synthetic resin material for molding. Next, as shown in FIG. 7, after the second mold 12 is separated from the first mold 11 and the panel body 2, the third mold 13 is engaged with the first mold 11 and the mold 14 is clamped. A synthetic resin material for molding the frame-shaped portion 3 is injected into the frame-shaped portion 3 to mold the frame-shaped portion 3. Then, the panel 1 is obtained by removing from the molds 11 and 13.

[Another embodiment]
In the panel 1 of the above embodiment, the main portion 4a of the insert molded body 4 is exposed on the front surface of the panel main body 2, but the main portion 4a is the panel main body 2 like the panels 1A and 1B of FIGS. You may comprise so that it may not be exposed to the front surface of. In the panel 1 </ b> A of FIG. 8, the main portion 4 a is disposed on the rear surface side of the panel body 2. In the panel 1 </ b> B of FIG. 9, the main portion 4 a is disposed on the rear surface side of the frame-like portion 3. In this way, since the conductive part 5 is not exposed on the front surface of the panel body 2, the durability of the conductive part 5 is improved. Moreover, in the panel 1A of FIG. 8, the insert molded body 4 is hardly visible by making the color tone of the insert molded body 4 and the frame-shaped part 3 the same. In the panel 1B of FIG. 9, the insert molded body 4 is not visually recognized from the front side of the panel 1B.

  The main part 4a may be arranged at a position other than those shown in FIGS. For example, the main part 4a may be arranged on the panel body 2 side of the frame-like part 3.

  In the insert molded body 4 described above, the conductive portion 5 is provided on the front side of the main portion 4a. However, the conductive portion 5 is provided on the rear surface side of the main portion 4a as in the insert molded body 4A of FIG. It may be provided.

  The panel provided with the insert molded body of another shape is shown in FIGS.

  In the panel 1C of FIG. 11, the insert molded body 4C has a U-shaped cross-sectional shape having a recess 4c, and is disposed on the rear surface side of the frame-shaped portion 3 so that the recess 4c faces the rear of the panel 1C. ing. The conductive portion 5 is provided on the inner surface of the recess 4c.

  In the panel 1D of FIG. 12, the insert molded body 4D has a cross-sectional shape having chamfered slopes 4d and 4d. The insert molded body 4D is arranged so that the inclined surfaces 4d and 4d are embedded in the frame-shaped portion 3. The conductive portion 5 is provided on the front surface side of the insert molded body 4D, the inclined surfaces 4d and 4d, and both side surfaces. When the antenna is constituted by the conductive portion 5, the antenna is directed in the upper, left and right diagonal directions and the left and right sides in FIG. 12, so that the reception intensity of radio waves from all directions is high. It becomes. The conductive portion 5 may also be provided on the rear surface of the insert molded body 4D.

  The insert molded body 4E of the panel 1E of FIG. 13 is provided with a convex portion 4e on the rear surface. Further, a projecting piece 4t is projected from the side surface of the insert molded body 4E and is provided integrally. By connecting the connector 6 to the projecting piece portion such as the projecting piece portion 4t, for example, it becomes possible to function as a connecting portion for supplying power from the outside. The conductive portion 5 is provided on the rear surface of the insert molded body 4E, and is also provided on the rear surface side of the protruding piece portion 4t. By connecting the connector 6 to the projecting piece 4t, the conductive portion 5 can be connected to illumination, a receiving circuit, a driving circuit, and the like. In this embodiment, since the connector 6 is connected to the protruding piece 4t, it is not necessary to provide a metal terminal member on the insert molded body.

  In this embodiment, the insert molded body 4E is provided with circuit members 7 such as switches and IC chips. In other embodiments, the insert molded body may be provided with a circuit member.

  In the panel 1F of FIG. 14, the insert molded body 4F is provided with a plurality of projecting piece portions 4t, some projecting piece portions 4t project sideways, and the other projecting piece portions 4t project rearward. Since the conductive portion 5 extends to the tip of each protruding piece 4t, the conductive portion 5 is connected to the lighting, receiving circuit, driving circuit, etc. by attaching the connector 6 to each protruding piece 4t. Can do.

  In the panel 1G of FIG. 15, the insert molded body 4G is provided with a recessed strip 4g on the rear surface and a protruding piece portion 4t protruding outward. The conductive portion 5 is provided from the inner surface of the recess 4g to the tip of the protruding piece 4t. By attaching the connector 6 to the projecting piece 4t, the conductive portion 5 can be connected to illumination, a receiving circuit, a driving circuit, or the like.

  In the above description, the connector 6 is attached to the protruding piece 4t. However, the wiring on the vehicle side may be connected to the protruding piece 4t by clipping, bolting or crimping.

<Constituent materials for panels>
Next, materials suitable for molding automobile window glass and the like by the method of the present invention will be described.

[Constituent materials of panel body]
The constituent material of the panel body 2 is preferably translucent, and can be appropriately selected from any conventionally known materials as long as they are translucent resins. Here, the translucency is usually 10% or more, preferably 15% or more, more preferably as the total light transmittance in a plate-shaped molded product having a smooth thickness of 3 mm measured according to JIS K7105. It means 20% or more, and the haze value is usually 10% or less, preferably 5% or less, more preferably 3% or less. In a translucent resin containing a dye or pigment, the proportion of the dye or pigment used is usually 0.001 to 2 parts by weight, preferably 0.005 to 1 part by weight, based on 100 parts by weight of the resin. More preferably, it is 0.005-0.5 weight part.

  Examples of the constituent material of the panel body 2 include polystyrene resin, high impact polystyrene resin, hydrogenated polystyrene resin, polyacryl styrene resin, ABS resin, AS resin, AES resin, ASA resin, SMA resin, polyalkyl methacrylate resin, poly Methyl methacrylate resin, polyphenyl ether resin, polycarbonate resin, amorphous polyalkylene terephthalate resin, polyester resin, amorphous polyamide resin, poly-4-methylpentene-1, cyclic polyolefin resin, amorphous polyarylate resin, poly Heat of ether sulfone, styrene thermoplastic elastomer, olefin thermoplastic elastomer, polyamide thermoplastic elastomer, polyester thermoplastic elastomer, polyurethane thermoplastic elastomer, etc. Plastic elastomers Kyora. Among these, light-transmitting resins such as polycarbonate resin and polymethylmethacrylate resin are preferable. From the viewpoint of impact resistance and heat resistance, polycarbonate resin (PC), especially aromatic polycarbonate resin is used as the main constituent resin. Those are preferred. The main constituent resin means that the ratio of the aromatic polycarbonate resin in all resin components is usually 50% by weight or more, preferably 60% by weight or more, and more preferably 70% by weight or more.

  Examples of resins used in combination with PC as the main constituent resin include polystyrene resin, ABS resin, AS resin, AES resin, ASA resin, polyphenylene ether resin, polymethacryl methacrylate resin, and polyester resin. An alloy or a copolymer may be used as long as the properties are maintained.

  The PC used in the present invention is, for example, a linear or branched thermoplastic polymer obtained by reacting an aromatic dihydroxy compound and a carbonate precursor, or a small amount of a polyhydroxy compound in combination therewith. Or a copolymer. PC can be produced by a known method, and examples of the production method include an interfacial polymerization method, a melt transesterification method, a pyridine method, a ring-opening polymerization method of a cyclic carbonate compound, and a solid phase transesterification method of a prepolymer. .

  Although the molecular weight of PC used for this invention is arbitrary, it is 10,000-35,000 normally as viscosity average molecular weight [Mv] converted from solution viscosity. By setting the viscosity average molecular weight to 10,000 or more, the mechanical strength is improved and it is suitable for applications requiring high mechanical strength. On the other hand, when the viscosity average molecular weight is 35,000 or less, the fluidity is lowered and the molding process becomes easy. In addition, when forming hard coatings, such as a hard coat, in a post process, Preferably a viscosity average molecular weight is 18,000-35,000, More preferably, it is 20,000-30,000. By setting the viscosity average molecular weight to 18,000 or more, it is possible to suppress a decrease in impact strength when a cured coating is formed on the surface. Two or more types of PCs having different viscosity average molecular weights may be mixed.

Here, the viscosity average molecular weight [Mv] means that the intrinsic viscosity [η] (unit dl / g) at a temperature of 20 ° C. is obtained with an Ubbelohde viscometer using methylene chloride as a solvent, and the Schnell viscosity formula (η = 1.23 × 10 ⁻⁴ M ^0.83 ).

  The terminal hydroxyl group concentration of the PC used in the present invention is usually 2,000 ppm or less, preferably 1,500 ppm or less, more preferably 1,000 ppm or less. In addition, the lower limit is usually 10 ppm, preferably 30 ppm, more preferably 40 ppm, especially for PC produced by the transesterification method.

  By setting the terminal hydroxyl group concentration to 10 ppm or more, a decrease in molecular weight can be suppressed, and the mechanical properties of the resin composition tend to be further improved. Moreover, it exists in the tendency which the residence heat stability and color tone of a resin composition improve more by making terminal group hydroxyl group density | concentration into 2,000 ppm or less. In the case of forming a hard coating such as a hard coat, by applying a terminal hydroxyl group concentration of 100 to 2,000 ppm, preferably 200 to 1,000 ppm, more preferably 300 to 1,000 ppm, a high terminal hydroxyl group concentration, Its adhesion and durability are improved. The unit of the terminal hydroxyl group concentration is the weight of the terminal hydroxyl group expressed in ppm with respect to the PC weight, and the measuring method is a colorimetric determination by the tetrachlorotitanium / acetic acid method (Macromol. Chem. 88 215 (1965)). Method).

  Further, in order to improve the appearance of the molded product and the fluidity, the PC used in the present invention may contain an aromatic polycarbonate oligomer. The aromatic polycarbonate oligomer has a viscosity average molecular weight [Mv] of usually 1,500 to 9,500, preferably 2,000 to 9,000. The usage-amount of an aromatic polycarbonate oligomer is 30 weight% or less normally with respect to PC.

  Furthermore, the PC used in the present invention may contain not only virgin PC but also PC regenerated from used products, so-called material recycled PC. Used products include optical recording media such as optical discs, light guide plates, vehicle transparent parts such as automobile window glass, automobile headlamp lenses, and windshields, containers such as water bottles, eyeglass lenses, soundproof walls, glass windows, and waves. Examples include building members such as plates. Also, non-conforming products, pulverized products obtained from sprues, runners, etc., or pellets obtained by melting them can be used. The use ratio of the regenerated PC is usually 80% by weight or less, preferably 50% by weight or less based on virgin PC.

  In addition to the above-mentioned dyes or pigments, any conventionally known auxiliary agent can be added to the constituent material of the panel body. Examples thereof include mold release agents, heat stabilizers, antioxidants, and weather resistance improvements. Agents, heat ray absorbents, heat ray reflectors, alkali soaps, metal soaps, plasticizers, fluidity improvers, nucleating agents, flame retardants, anti-dripping agents and the like. The usage-amount of these adjuvants is suitably selected from a well-known range.

[Constituent material of the frame-shaped part]
The constituent material of the frame portion 3 is not particularly limited, and various known arbitrary thermoplastic resins can be used. Specifically, for example, polycarbonate resin; thermoplastic polyester resin such as polyethylene terephthalate resin, polytrimethylene terephthalate, polybutylene terephthalate resin; polystyrene resin, high impact polystyrene resin (HIPS), acrylonitrile-styrene copolymer (AS resin) ), Acrylonitrile-butadiene-styrene copolymer (ABS resin), heat-resistant ABS resin in which a part or most of styrene of the ABS resin is replaced with α-methylstyrene or maleimide, acrylonitrile-styrene-acrylic rubber copolymer (ASA) Resin), acrylonitrile-ethylenepropylene rubber-styrene copolymer (AES resin), heat-resistant AES resin in which part or most of styrene of AES resin is replaced with α-methylstyrene or maleimide, Acrylonitrile-acrylic rubber-styrene copolymer (AAS resin), heat-resistant AAS resin in which part or most of styrene of AAS resin is replaced with α-methylstyrene or maleimide, butadiene of ABS resin is silicone rubber or silicone / acrylic ABS resin replaced with composite rubber, styrene resin such as heat-resistant ABS resin in which a part or most of styrene of ABS resin is replaced with α-methylstyrene or maleimide; polyolefin resin such as polyethylene resin, polypropylene resin; Polyamide resin; Polyimide resin; Polyether resin; Polyurethane resin; Polyphenylene ether resin; Polyphenylene sulfide resin; Polysulfone resin; Polymethacrylate resin, and the like. Among these, PC and thermoplastic polyester resin are preferable from the viewpoint of thermal stability, rigidity, and adhesion to the panel body. Among these, those using PC as the main material, in particular, combined use of PC and a thermoplastic polyester resin are preferable.

  In the present invention, the component resin material of the panel main body 2 is translucent and the constituent material of the frame-like portion 3 is non-translucent, so that the assembly portion of the panel from the front side (design surface side) of the panel This is preferable because the effect of making it difficult to visually recognize the image appears. Moreover, it is desirable that the main components blended in the resin material of the panel main body 2 and the frame-like portion 3 in an amount of 10% by weight or more are the same in order to enhance the bonding property between them.

  When a polymer alloy composed of PC and a thermoplastic polyester resin is used as a constituent material of the frame-shaped part 3, the ratio of PC to the total amount of both components is usually 50 to 95% by weight.

  Preferable specific examples of the thermoplastic polyester resin used in the frame portion include polyethylene terephthalate resin (PET), polypropylene terephthalate resin (PPT), polybutylene terephthalate resin (PBT), polyhexylene terephthalate resin, and polyethylene-naphthalate resin. (PEN), polybutylene naphthalate resin (PBN), poly (1,4-cyclohexanedimethylene terephthalate) resin (PCT), polycyclohexylcyclohexylate (PCC), and the like. Among these, polyethylene terephthalate resin (PET), polypropylene terephthalate resin (PPT), and polybutylene terephthalate resin (PBT) are preferable in terms of fluidity and impact resistance.

  The intrinsic viscosity of the thermoplastic polyester resin used in the present invention is usually 0.4 to 1.5 dl / g, preferably 0.5 to 1.3 dl / g. Here, the intrinsic viscosity means a value measured at 30 ° C. in a solvent of phenol / tetrachloroethane = 50/50 (weight ratio). When the intrinsic viscosity is less than 0.4, the impact resistance tends to decrease, and when it exceeds 1.5, the fluidity tends to decrease. The amount of terminal carboxyl groups of the thermoplastic polyester resin is usually 5 to 50 μeq / g, preferably 10 to 30 μeq / g. When the terminal carboxyl group amount is less than 5 μeq / g, the impact resistance tends to decrease, and when it exceeds 50 μeq / g, the moist heat resistance and the thermal stability tend to be insufficient.

  Furthermore, as the thermoplastic polyester resin used in the present invention, not only virgin raw materials but also thermoplastic polyester resins regenerated from used products, so-called material recycled thermoplastic polyester resins can be used. . As used products, containers, films, sheets, fibers, and the like are mainly exemplified, and containers such as PET bottles are preferable. In addition, as the recycled thermoplastic polyester resin, non-conforming products, pulverized products obtained from sprues, runners, etc., or pellets obtained by melting them can be used.

Further, in the present invention, PC is the main constituent material of the frame-shaped portion from the viewpoints of lightening the panel by thinning the frame-shaped portion, formability, impact resistance, designability at the time of multicolor molding, and the like. It is also preferable to use a styrene resin such as ABS resin. In this case, as the styrene resin, it is preferable to use the same styrene resin as that used in the polycarbonate resin composition for LDS used as a constituent material of the insert molded body 4 described later.
Furthermore, when chemical resistance is required, it is preferable to contain a small amount of polyolefin resin such as polyethylene resin. As such a synthetic resin material, for example, an aromatic polycarbonate resin composition described in JP-A No. 2014-184720 is preferably exemplified.

  Moreover, it is preferable to mix | blend a filler with the structural material of a frame-shaped part in order to improve rigidity, dimensional stability, and heat resistance. The shape of the filler may be any shape such as a spherical shape, a cubic shape, a granular shape, a needle shape, a plate shape, and a fibrous shape, but improves the dimensional stability of the thermoplastic resin composition finally obtained, From the viewpoint of high rigidity and good appearance, a plate shape or a needle shape is preferable, and a filler having a laser diffraction particle size (D50) of 10 μm or less is preferable. Further, in terms of high rigidity, a fibrous one is preferable, and glass fiber is particularly preferable.

  Examples of such fillers include titanium oxide, zinc oxide, barium sulfate, silica, calcium carbonate, iron oxide, alumina, calcium titanate, aluminum hydroxide, magnesium hydroxide, calcium hydroxide, magnesium carbonate, calcium sulfate, sulfuric acid. Sodium, calcium sulfite, magnesium silicate (talc), aluminum silicate (mica), calcium silicate (wollastonite), clay, glass beads, glass powder, glass flake, glass fiber, carbon fiber, silica alumina fiber, zirconia fiber, boron Fibers, boron nitride fibers, silicon nitride potassium titanate fibers, inorganic fibers such as metal fibers, aramid fibers, biodegradable fibers, fluororesin fibers, polyester fibers and other organic fibers, silica sand, silica, quartz powder, shirasu, silica So soil, hua Tokabon, iron powder, aluminum powder. Among these, fibrous materials represented by glass fibers, carbon fibers, aramid fibers, biodegradable fibers, etc., magnesium silicate (talc), aluminum silicate (mica), plate products represented by glass flakes, silicic acid Needle-like materials represented by calcium (wollastonite) and the like are preferable. Two or more kinds of fillers can be used in combination.

  The content of the filler is usually 2 to 50 parts by weight, preferably 3 to 40 parts by weight, and more preferably 5 to 30 parts by weight with respect to 100 parts by weight of the total constituent material of the frame-like part. When the filler content is less than 2 parts by weight, the effect of improving rigidity, dimensional stability and heat resistance is small, and when it exceeds 50 parts by weight, impact resistance may be lowered.

  The above fillers may be left untreated, but for the purpose of increasing the affinity with the resin component or the interfacial binding force, surface treatment agents, higher fatty acids or their derivatives, derivatives such as salts, coupling agents, etc. It is preferable to treat with. When the surface treatment is performed in combination with various surfactants such as nonionic, cationic, and anionic types and dispersants such as various resins, the mechanical strength and kneadability are preferably improved. .

  The constituent material of the frame-shaped portion 3 of the present invention preferably contains an elastomer. By containing the elastomer, the impact resistance of the resin composition can be improved.

  There are no particular restrictions on the elastomer, and known ones can be used. For example, methyl methacrylate-butadiene-styrene copolymer (MBS resin), styrene-butadiene-styrene copolymer (SBS), and SBS are hydrogenated. Hydrogenated copolymer (SEBS), styrene-isoprene copolymer (SIS), copolymer hydrogenated by hydrogenating SIS (SIPS), TPR such as EPR, EPDM, etc. Olefin-based elastomers, polyester-based elastomers, silicone-based elastomers, acrylate-based elastomers, composite rubber-based graft copolymers in which vinyl monomers are graft-polymerized to composite rubbers composed of silicone-based rubber and acrylate-based rubber components, etc. Can be mentioned.

  Among these, a graft copolymer obtained by graft copolymerizing a rubber component with a monomer component copolymerizable therewith is preferable. The production method of the graft copolymer may be any production method such as bulk polymerization, solution polymerization, suspension polymerization, and emulsion polymerization, and the copolymerization method may be single-stage graft or multi-stage graft.

  The rubber component usually has a glass transition temperature of 0 ° C. or lower, preferably −20 ° C. or lower, more preferably −30 ° C. or lower. Specific examples of the rubber component include polybutadiene rubber, polyisoprene rubber, polybutyl acrylate and poly (2-ethylhexyl acrylate), polyalkyl acrylate rubber such as butyl acrylate / 2-ethyl hexyl acrylate copolymer, and polyorganosiloxane rubber. Silicone rubber, butadiene-acrylic composite rubber, IPN (Interpenetrating Polymer Network) type composite rubber composed of polyorganosiloxane rubber and polyalkylacrylate rubber, styrene-butadiene rubber, ethylene-propylene rubber, ethylene-butene rubber, ethylene-octene rubber, etc. And ethylene-α-olefin rubber, ethylene-acrylic rubber, fluororubber, and the like. These may be used alone or in admixture of two or more. Among these, in terms of mechanical properties and surface appearance, polybutadiene rubber, polyalkyl acrylate rubber, polyorganosiloxane rubber, IPN composite rubber composed of polyorganosiloxane rubber and polyalkyl acrylate rubber, and styrene-butadiene rubber are preferable. .

  Specific examples of the monomer component that can be graft copolymerized with the rubber component include aromatic vinyl compounds such as styrene, vinyl cyanide compounds such as acrylonitrile, (meth) acrylic acid ester compounds, (meth) acrylic acid compounds, and glycidyl. Epoxy group-containing (meth) acrylic acid ester compounds such as (meth) acrylate; maleimide compounds such as maleimide, N-methylmaleimide and N-phenylmaleimide; α, β-unsaturated carboxylic acids such as maleic acid, phthalic acid and itaconic acid Examples thereof include acid compounds and anhydrides thereof (eg maleic anhydride). These monomer components may be used alone or in combination of two or more. Among these, aromatic vinyl compounds, vinyl cyanide compounds, (meth) acrylic acid ester compounds, and (meth) acrylic acid compounds are preferable from the viewpoint of mechanical properties and surface appearance, and (meth) acrylic acid esters are more preferable. A compound. Specific examples of the (meth) acrylate compound include methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, cyclohexyl (meth) acrylate, octyl (meth) acrylate, and the like. be able to.

  The graft copolymer obtained by copolymerizing the rubber component is preferably of the core / shell type graft copolymer type from the viewpoint of impact resistance and surface appearance. Among them, a layer containing at least one rubber component selected from the above-mentioned polybutadiene-containing rubber, polyalkyl acrylate-containing rubber, and polyorganosiloxane / polyalkyl acrylate-containing rubber is used as a core layer, and its surroundings. A core / shell type graft copolymer comprising a shell layer formed by (co) polymerizing (meth) acrylic acid ester or acrylonitrile / styrene is particularly preferable. The core / shell type graft copolymer preferably contains 40% by weight or more of rubber component, more preferably 60% by weight or more. Moreover, what contains 10 weight% or more of (meth) acrylic acid is preferable.

  Preferable specific examples of these core / shell type graft copolymers include methyl methacrylate-butadiene-styrene copolymer (MBS), methyl methacrylate-acrylonitrile-butadiene-styrene copolymer (MABS), and methyl methacrylate-butadiene copolymer. Copolymer (MB), methyl methacrylate-acrylic rubber copolymer (MA), methyl methacrylate-acrylic rubber-styrene copolymer (MAS), methyl methacrylate-acrylic-butadiene rubber copolymer, methyl methacrylate-acrylic-butadiene rubber- Examples thereof include styrene copolymers and methyl methacrylate- (acryl / silicone IPN rubber) copolymers. Such a graft copolymer may be used individually by 1 type, or may use 2 or more types together.

The glass transition temperature of the elastomer is preferably 0 ° C or lower, more preferably -10 ° C or lower, further preferably -20 ° C or lower, particularly preferably -30 ° C or lower, -40 Most preferably, it is below ℃.
The glass transition temperature of the elastomer can be measured by determining the peak temperature of loss tangent (tan δ) obtained by dynamic viscoelasticity measurement. Specifically, using a hot press machine heated at 200 ° C., the elastomer raw material was press-molded for 3 minutes in a 0.7 mm thick × 10 cm × 10 cm mold, and after water cooling, 0.7 mm thick × 5.5 mm Cut out a test piece of × 25 mm, perform dynamic viscoelasticity measurement at a temperature rise rate of 3 ° C./min and a frequency of 110 Hz in a temperature range of 50 to −100 ° C., and obtain a peak temperature of tan δ obtained. The glass transition temperature is assumed.

  The content of the elastomer is usually 1 to 30 parts by weight, preferably 2 to 20 parts by weight, and more preferably 3 to 15 parts by weight with respect to 100 parts by weight of all the constituent materials of the frame-like part. If the elastomer content is less than 1 part by weight, the impact resistance improvement effect by the elastomer will be insufficient, and if it exceeds 30 parts by weight, the hardness of the resulting molded product will decrease, and the appearance and heat resistance will decrease. Prone to occur.

  Conductive carbon black and / or hollow nanocarbon fibers can be blended with the constituent material of the frame-like portion for the purpose of imparting antistatic properties and conductivity capable of electrostatic coating. Examples of the conductive carbon black include acetylene black obtained by thermally decomposing acetylene gas, and Ketjen black produced by crude incomplete combustion using crude oil as a raw material. Hollow nanocarbon fibers have an outer region consisting of an essentially continuous multi-layer of regularly arranged carbon atoms and an inner hollow region, with each layer and the hollow region being arranged substantially concentrically. There are essentially cylindrical fibrils. Furthermore, the regularly arranged carbon atoms in the outer region are graphite-like. The diameter of the hollow region is usually 2 to 20 nm. Such hollow nanocarbon fibers are sold by Hyperion Catharsis under the trade name “graphite fibrils” and are readily available.

  Further, in the present invention, the bending elastic modulus of the constituent material of the frame-shaped portion is equal to or higher than the bending strength elastic modulus of the constituent material of the panel body, so that the rigidity and strength of the panel are secured, and the mounting to the structural part is performed. To preferred. Furthermore, when the bending elastic modulus of the constituent material of the frame-shaped part is equal to or higher than the bending elastic modulus of the constituent material of the panel body, the minute concave part is easily formed due to the shrinkage of the frame-like part. Becomes prominent.

  Furthermore, in the present invention, the panel body is preferably composed of a non-reinforced resin composition, whereas the frame-shaped portion is a reinforced system from the viewpoint of securing the rigidity and strength of the panel, attaching to a structural component, etc. It is preferable to be comprised with a resin composition. That is, it is preferable to add a reinforcing filler to the resin material of the frame-shaped part. Furthermore, in order to give a frame-shaped part a thermal conductivity function, a reinforcing filler having thermal conductivity can also be contained. Examples of the thermally conductive filler include carbon fiber, graphite, boron nitride, and magnesium silicate salt.

  The manufacturing method of the said resin composition which is a constituent material of a panel main body and a frame-shaped part is not specifically defined, The manufacturing method of a well-known thermoplastic resin composition can be employ | adopted widely. Specifically, each component is mixed in advance using various mixers such as a tumbler or Henschel mixer, and then melt kneaded with a Banbury mixer, roll, Brabender, single-screw kneading extruder, twin-screw kneading extruder, kneader, etc. By doing so, a resin composition can be produced.

  Moreover, for example, it is also possible to manufacture by mixing each component in advance or by mixing only a part of the components in advance and supplying the mixture to an extruder using a feeder and melt-kneading.

  Furthermore, for example, a resin composition obtained by mixing some components in advance, supplying them to an extruder and melt-kneading is used as a master batch, and this master batch is mixed with the remaining components again and melt-kneaded. It can also be manufactured.

  In addition, as a constituent material of the panel body, it can also be produced by the above-mentioned melt-kneading method, or a pellet obtained by blending the polycarbonate resin after polymerization as it is or by adding necessary additive components to the molten resin after polymerization. It can also be used.

[Constituent material of insert molded body (molded body on which conductive part is formed)]
The injection molded body in which the conductive part is formed is usually integrated with at least one of the panel body 2 and the frame-like part 3 by insert molding. As the synthetic resin material constituting the insert molded body 4, a conventionally known thermoplastic resin composition for laser direct structuring (resin composition for LDS) can be used. In particular, the resin composition for LDS preferably contains a main constituent resin of the panel main body or the frame-like portion as a main component from the viewpoint of heat fusion. Below, the polycarbonate resin composition for LDS suitable as a constituent material of a panel main body and a frame-shaped part is demonstrated.

  As a polycarbonate resin composition for LDS, what was described in Unexamined-Japanese-Patent No. 2014-74162 is suitable, for example. This polycarbonate resin composition for LDS comprises 10 to 100 parts by weight of a glass filler and 100 parts by weight of a resin component containing 30 to 100% by weight of a polycarbonate resin and 70% by weight or less of a styrene resin, and a laser direct structuring additive 2 to 30 parts by weight, wherein the laser direct structuring additive contains metal oxide particles containing titanium oxide coated with a composition containing tin as a main component and containing antimony. By adopting such a configuration, high plating properties can be achieved. Furthermore, a resin composition having excellent mechanical properties, low dielectric constant, excellent hue, and hardly decomposing can be obtained.

  Hereinafter, details of the polycarbonate resin composition for LDS will be described.

<Polycarbonate resin>
The polycarbonate resin is not particularly limited, and any of aromatic polycarbonate, aliphatic polycarbonate, and aromatic-aliphatic polycarbonate can be used. Of these, an aromatic polycarbonate is preferable, and a thermoplastic aromatic polycarbonate polymer or copolymer obtained by reacting an aromatic dihydroxy compound with phosgene or a diester of carbonic acid is more preferable.

  Examples of the aromatic dihydroxy compound include 2,2-bis (4-hydroxyphenyl) propane (= bisphenol A), tetramethylbisphenol A, bis (4-hydroxyphenyl) -P-diisopropylbenzene, hydroquinone, resorcinol, 4, 4-dihydroxydiphenyl etc. are mentioned, Preferably bisphenol A is mentioned. Furthermore, for the purpose of preparing a composition having a high flame retardancy, a compound in which one or more tetraalkylphosphonium sulfonates are bonded to the above aromatic dihydroxy compound, or a polymer containing both terminal phenolic OH groups having a siloxane structure or Oligomers and the like can be used.

  Preferred examples of polycarbonate resins include polycarbonate resins derived from 2,2-bis (4-hydroxyphenyl) propane; derived from 2,2-bis (4-hydroxyphenyl) propane and other aromatic dihydroxy compounds. A polycarbonate copolymer.

  The molecular weight of the polycarbonate resin is preferably 14,000 to 30,000 in terms of viscosity average molecular weight converted from the solution viscosity measured at a temperature of 25 ° C. using methylene chloride as a solvent, and 15,000 to 28,000. It is more preferable that it is 16,000 to 26,000. It is preferable for the viscosity average molecular weight to be in the above range since the mechanical strength becomes better and the moldability becomes better. In addition, the measuring method of a viscosity average molecular weight is as the above-mentioned.

  Furthermore, the polycarbonate resin may be not only a polycarbonate resin as a virgin raw material but also a polycarbonate resin regenerated from a used product, that is, a so-called material recycled polycarbonate resin.

  This polycarbonate resin composition for LDS may contain only one type of polycarbonate resin, or may contain two or more types, but from the viewpoint of thermal fusion, the panel main body to which the insert molded product is fused and / or Or what contains the same kind of polycarbonate resin as a main component as the constituent material of a frame-shaped part is preferable.

  In this polycarbonate resin composition for LDS, the proportion of the polycarbonate resin in all resin components is preferably 30 to 100% by weight, more preferably 45 to 75% by weight, and 52 to 70% by weight. More preferably.

<Styrene resin>
This polycarbonate resin composition for LDS may contain a styrene resin in addition to the polycarbonate resin as a resin component.

  In the presence of a styrene-based resin, a styrene-based polymer composed of a styrene-based monomer, a copolymer of the styrene-based monomer and another copolymerizable vinyl-based monomer, or a rubbery polymer. This refers to at least one polymer selected from the group consisting of the styrene monomer or a copolymer of the styrene monomer and another copolymerizable vinyl monomer. Among these, it is preferable to use the styrene monomer in the presence of a rubbery polymer or a copolymer of the styrene monomer and another copolymerizable vinyl monomer.

  Specific examples of the styrene monomer include styrene derivatives such as styrene, α-methylstyrene, p-methylstyrene, divinylbenzene, ethylvinylbenzene, dimethylstyrene, pt-butylstyrene, bromostyrene, and dibromostyrene. Among them, styrene is preferable. In addition, these can also be used individually or in mixture of 2 or more types.

  As vinyl monomers copolymerizable with the above styrenic monomers, vinylcyan compounds such as acrylonitrile and methacrylonitrile, methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, amyl acrylate, hexyl acrylate, Acrylic acid alkyl esters such as 2-ethylhexyl acrylate, octyl acrylate and cyclohexyl acrylate, methacrylic acid such as methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, amyl methacrylate, hexyl methacrylate, 2-ethylhexyl methacrylate, octyl methacrylate and cyclohexyl methacrylate Acrylic such as alkyl ester, phenyl acrylate, benzyl acrylate Aryl esters, aryl methacrylates such as phenyl methacrylate and benzyl methacrylate, epoxy group-containing acrylic or methacrylic esters such as glycidyl acrylate and glycidyl methacrylate, maleimides such as maleimide, N, N-methylmaleimide and N-phenylmaleimide Examples thereof include α, β-unsaturated carboxylic acids such as monomers, acrylic acid, methacrylic acid, maleic acid, maleic anhydride, fumaric acid and itaconic acid, or anhydrides thereof.

  Further, rubbery polymers copolymerizable with styrene monomers include polybutadiene, polyisoprene, styrene-butadiene random copolymers and block copolymers, acrylonitrile-butadiene random copolymers and block copolymers, acrylonitrile. -Butadiene copolymer, copolymer of alkyl acrylate or alkyl methacrylate and butadiene, polybutadiene-polyisoprene diene copolymer, ethylene-isoprene random copolymer and block copolymer, ethylene-butene random Copolymers of ethylene and α-olefins such as copolymers and block copolymers, ethylene-methacrylate copolymers, ethylene-butyl acrylate copolymers and the like of ethylene and α, β-unsaturated carboxylic acid esters Copolymer, D Examples include ethylene-propylene-nonconjugated diene terpolymers such as len-vinyl acetate copolymer, ethylene-propylene-hexadiene copolymer, acrylic rubber, and composite rubber composed of polyorganosiloxane rubber and polyalkyl acrylate or methacrylate rubber. Can be mentioned.

  Such styrene resins include, for example, polystyrene resin, high impact polystyrene (HIPS), acrylonitrile-styrene copolymer (AS resin), acrylonitrile-butadiene-styrene copolymer (ABS resin), methyl methacrylate-acrylonitrile-butadiene. -Styrene copolymer (MABS resin), acrylonitrile-styrene-acrylic rubber copolymer (ASA resin), acrylonitrile-ethylenepropylene rubber-styrene copolymer (AES resin), acrylonitrile-acrylic rubber-styrene copolymer (AAS resin), styrene-methyl methacrylate copolymer (MS resin), styrene-maleic anhydride copolymer, heat resistant ABS resin, heat resistant AES resin, heat resistant AAS resin, ABS resin, heat resistant ABS resin, etc. .

  Among these, acrylonitrile-styrene copolymer (AS resin), acrylonitrile-butadiene-styrene copolymer (ABS resin), acrylonitrile-styrene-acrylic rubber copolymer (ASA resin), acrylonitrile-ethylenepropylene rubber-styrene A copolymer (AES resin) is preferred, more preferably an acrylonitrile-butadiene-styrene copolymer (ABS resin), an acrylonitrile-styrene-acrylic rubber copolymer (ASA resin), an acrylonitrile-ethylenepropylene rubber-styrene copolymer It is a combination (AES resin), and an acrylonitrile-butadiene-styrene copolymer (ABS resin) is particularly preferable.

  The styrenic resin is produced by a method such as emulsion polymerization, solution polymerization, bulk polymerization, suspension polymerization or bulk / suspension polymerization. The so-called styrene polymer, styrene random copolymer or block copolymer is used. In the case of polymers, those prepared by bulk polymerization, suspension polymerization or bulk / suspension polymerization are suitable, and in the case of styrene-based graft copolymers, they are manufactured by bulk polymerization, bulk / suspension polymerization or emulsion polymerization. Are preferred.

  Particularly preferably used acrylonitrile-butadiene-styrene copolymer (ABS resin) is a mixture of a thermoplastic graft copolymer obtained by graft polymerization of acrylonitrile and styrene to a butadiene rubber component, and a copolymer of acrylonitrile and styrene. The butadiene rubber component is preferably 5 to 40% by weight, more preferably 10 to 35% by weight, and particularly preferably 13 to 25% by weight, in 100% by weight of the ABS resin component. The rubber particle diameter is preferably 0.1 to 5 μm, more preferably 0.2 to 3 μm, further 0.3 to 1.5 μm, and particularly preferably 0.4 to 0.9 μm. The rubber particle size distribution may be either a single distribution or a plurality of distributions of two or more peaks.

  This polycarbonate resin composition for LDS may contain only one type of styrenic resin, or may contain two or more types.

  The proportion of the styrene resin in all resin components is preferably 70% by weight or less, more preferably 55% by weight or less, and further preferably 45% by weight or less. Further, the ratio of the styrene resin is preferably 10% by weight or more, and more preferably 30% by weight or more in the total resin components.

  This resin composition for LDS polycarbonate may contain other resin components other than the styrene resin. However, the other resin is preferably 5% by weight or less of the total resin components.

  In this polycarbonate resin composition for LDS, 60% by weight or more of the total composition is preferably a resin component, and more preferably 70% by weight or more is a resin component.

<Glass filler>
This resin composition for LDS polycarbonate may contain a glass filler. Examples of the glass filler include glass fiber, plate-like glass, glass beads, glass flakes, etc. Among them, glass fiber is preferable.

  A glass filler consists of glass compositions, such as A glass, C glass, E glass, and S glass, and since E glass (an alkali free glass) does not have a bad influence on polycarbonate resin especially, it is preferable.

  Glass fiber refers to a fiber having a fiber-like outer shape with a cross-sectional shape cut at right angles to the length direction and having a perfect circle or polygonal shape.

  The glass fiber may be a single fiber or a plurality of single fibers twisted together.

  As for the form of the glass fiber, “glass roving” continuously wound up of single fibers or twisted ones, “chopped strand” trimmed to a length of 1 to 10 mm, and pulverized to a length of about 10 to 500 μm. Any of "Mildo fiber" etc. may be sufficient. Such glass fibers are commercially available from Asahi Fiber Glass Co., Ltd. under the trade names “Glasslon Chopped Strand” and “Glasslon Milled Fiber”, and are easily available. Glass fibers having different forms can be used in combination.

  Moreover, what has an irregular cross-sectional shape as a glass fiber is also preferable. Examples of the irregular cross-sectional shape include an oval shape, an oval shape, an eyebrows shape, and the like. The major axis / minor axis ratio when the major axis of the cross section perpendicular to the longitudinal direction of the fiber is D2 and the minor axis is D1 ( The flatness indicated by D2 / D1) is, for example, 1.5 to 10, preferably 2.5 to 10, more preferably 2.5 to 8, and particularly preferably 2.5 to 5. Regarding such flat glass, the description of paragraph numbers 0065 to 0072 of JP2011-195820A can be referred to, and the contents thereof are incorporated in the present specification.

  The glass beads are spherical ones having an outer diameter of 10 to 100 μm, and are commercially available, for example, from Potters Barotini under the trade name “EGB731” and are easily available. Further, the glass flake is a flake shape having a thickness of 1 to 20 μm and a length of one side of 0.05 to 1 mm, and is commercially available, for example, under the trade name “Fureka” from Nippon Sheet Glass Co., Ltd. Are readily available.

  In order to further improve the plating properties of the polycarbonate resin composition for LDS, the glass fiber has an average fiber length of preferably 200 μm or less, more preferably 150 μm or less, and even more preferably 120 μm or less. Moreover, 5 micrometers or more are preferable, More preferably, it is 7 micrometers or more, More preferably, it is 15 micrometers or more. The average fiber diameter of the glass fibers is preferably 5 to 15 μm, more preferably 7 to 15 μm, and particularly preferably 9 to 15 μm. When the average fiber diameter is less than 5 μm, the moldability of the polycarbonate resin composition may be impaired. When the average fiber diameter exceeds 15 μm, the appearance of the resin molded product is impaired, and the reinforcing effect is not sufficient. There is. The average fiber length represents the weight average fiber length.

  The content of the glass filler is 10 to 100 parts by weight, preferably 10 to 85 parts by weight, more preferably 20 to 70 parts by weight, still more preferably 30 to 65 parts by weight, with respect to 100 parts by weight of the resin component. -60 parts by weight is particularly preferred. By blending a glass filler, mechanical strength can be improved and plating properties tend to be improved.

  The polycarbonate resin composition for LDS may contain only one type of glass filler or two or more types. When two or more types are included, the total amount is preferably within the above range.

<Bundling agent>
The glass filler is preferably coated with a sizing agent. The type of sizing agent is not particularly defined. One sizing agent may be used alone, or two or more sizing agents may be used in combination.

  In order to further improve the plating property of the polycarbonate resin composition for LDS, at least one sizing agent selected from an epoxy sizing agent, a urethane sizing agent, a polyolefin sizing agent and a silicone sizing agent may be used. . More preferred sizing agents are polyolefin sizing agents and silicone sizing agents. Such a sizing agent has poor adhesion to a resin component containing a polycarbonate resin. Therefore, in the resin composition containing such a glass filler, a gap is formed between the glass filler and the resin component, and the plating solution enters the gap, and the plating property can be further improved.

  Further, in order to further improve the plating property of the polycarbonate resin composition for LDS, it is selected from glass fibers having an average fiber length of 200 μm or less, an epoxy sizing agent, a urethane sizing agent, a polyolefin sizing agent, and a silicone sizing agent. It may be combined with at least one sizing agent.

  Examples of the polyolefin resin used as the sizing agent include a polyethylene resin, a polypropylene resin, and a coating silicone resin made of polyolefin described in Japanese Patent No. 4880823.

  The content of the sizing agent is preferably 0.1 to 5.0% by weight of the glass filler, and more preferably 0.2 to 2.0% by weight.

<Laser direct structuring additive>
The LDS additive used in the present invention includes metal oxide particles containing titanium oxide coated with a composition containing tin as a main component and containing antimony (hereinafter also referred to as a coating composition). Plating properties can be improved by coating the metal oxide particles with the coating composition.

  The metal oxide particles contain titanium oxide, and the content of titanium oxide is preferably 90% by weight or more, more preferably 95% by weight or more, and more preferably 99% by weight or more.

  The metal oxide particles may contain a metal other than titanium oxide. Examples of metals other than titanium oxide include indium, iron, cobalt, nickel, zinc, cadmium, silver, bismuth, arsenic, manganese, chromium, magnesium, and calcium. These metals may exist as oxides. The content of these metals is preferably 0.01% by weight or less.

  Of the metal components contained in the coating composition, tin preferably accounts for 50% by weight or more, and more preferably 60% by weight or more. Moreover, it is preferable that antimony is 1 to 30 weight%, and it is more preferable that it is 2 to 20 weight%. When tin contained in the coating composition is an oxide, the tin oxide is preferably 70 to 95% by weight, and more preferably 80 to 90% by weight in the coating composition. When the antimony contained in the coating composition is an oxide, the antimony oxide is preferably 5 to 30% by weight and more preferably 10 to 20% by weight in the coating composition.

  The coating composition may contain other metals in addition to lead and copper. Examples of other metals include lead, copper, indium, iron, cobalt, nickel, zinc, cadmium, silver, bismuth, arsenic, manganese, chromium, magnesium, calcium, and the like. These metals may exist as oxides. The content of these metals is preferably 0.001% by weight or less of the metal component contained in the coating composition.

  In the LDS additive, a part of the surface of the metal oxide particles may be coated with the coating composition, or the entire surface may be coated with the coating composition.

  The weight ratio of the metal oxide particles to the coating composition (metal oxide particles: coating composition) is preferably 90:10 to 60:40, and more preferably 85:15 to 75:25. .

  The particle diameter of the LDS additive is preferably 0.01 to 50 μm, and more preferably 0.05 to 30 μm. By adopting such a configuration, the uniformity of the plating surface state tends to be good when plating is applied.

  The content of the LDS additive is 2 to 20 parts by weight, preferably 3 to 15 parts by weight, and more preferably 5 to 12 parts by weight with respect to 100 parts by weight of the resin component. Further, by blending talc, sufficient plating properties can be achieved even if the content of the LDS additive is reduced (for example, 3 to 7 parts by weight with respect to 100 parts by weight of the resin component).

  The LDS additive is not limited to the above-described tin-antimony-coated titanium oxide, and may be any compound that can form a plating when a metal is applied to the laser irradiation surface. Specifically, 10 parts by weight of an additive considered to be an LDS additive is added to 100 parts by weight of a thermoplastic resin (for example, polycarbonate resin, polyamide resin, etc.), and a YAG laser having a wavelength of 1064 nm is used. Irradiation is performed at a frequency of 20 kHz and a scanning speed of 2 m / s, and the subsequent plating process is carried out in a plating bath made of electroless MacDermid and MIDCopper100XB Strike. When a metal is applied to the laser irradiation surface, a plating layer is formed. A compound that can be produced. The LDS additive may be a synthetic product or a commercially available product. In addition to those that are commercially available as LDS additives, commercially available products may be substances that are sold for other uses as long as they satisfy the requirements of the LDS additive in the present invention.

As an LDS additive suitable for a polycarbonate resin composition for LDS, in addition to the above, for example, compounds containing antimony and tin described in International Publication WO2013 / 183789, for example, tin doped with antimony, antimony doped And tin oxide doped with antimony oxide, and a compound containing copper and chromium described in International Publication WO2013 / 183789 and International Publication WO2009 / 141799, preferably a spinel structure containing copper and chromium (a compound oxide) And oxides of AB ₂ O ₄ type compounds (one of the typical crystal structure types found in A and B are metal elements). In the case of a compound containing copper and chromium, it is preferable to contain 10 to 30% by weight of copper and 15 to 50% by weight of chromium.

  The polycarbonate resin composition for LDS may contain only one type of LDS additive or two or more types. When two or more types are included, the total amount is preferably within the above range.

<Talc>
The polycarbonate resin composition for LDS may contain talc. By blending talc, the plating performance of the portion irradiated with the laser tends to be improved.

  The talc is preferably talc surface-treated with at least one compound selected from polyorganohydrogensiloxanes and organopolysiloxanes. In this case, the adhesion amount of the siloxane compound is preferably 0.1 to 5% by weight of talc.

  When the polycarbonate resin composition for LDS contains talc, the content of talc is preferably 1 to 30 parts by weight and more preferably 2 to 10 parts by weight with respect to 100 parts by weight of the resin component. When talc is surface-treated, the total amount of the surface-treated is preferably within the above range.

<Elastomer>
The polycarbonate resin composition for LDS also preferably contains an elastomer. By containing the elastomer, the impact resistance of the resin composition can be improved.

  The elastomer is preferably a graft copolymer obtained by graft copolymerizing a rubber component with a monomer component copolymerizable therewith. The production method of the graft copolymer may be any production method such as bulk polymerization, solution polymerization, suspension polymerization, and emulsion polymerization, and the copolymerization method may be single-stage graft or multi-stage graft.

  The rubber component usually has a glass transition temperature of 0 ° C. or lower, preferably −20 ° C. or lower, more preferably −30 ° C. or lower. Specific examples of the rubber component include polybutadiene rubber, polyisoprene rubber, polybutyl acrylate and poly (2-ethylhexyl acrylate), polyalkyl acrylate rubber such as butyl acrylate / 2-ethyl hexyl acrylate copolymer, and polyorganosiloxane rubber. Silicone rubber, butadiene-acrylic composite rubber, IPN (Interpenetrating Polymer Network) type composite rubber composed of polyorganosiloxane rubber and polyalkyl acrylate rubber, styrene-butadiene rubber, ethylene-propylene rubber, ethylene-butene rubber, ethylene-octene rubber, etc. And ethylene-α-olefin rubber, ethylene-acrylic rubber, fluororubber, and the like. These may be used alone or in admixture of two or more.

  When the polycarbonate resin composition for LDS contains an elastomer, the content of the elastomer is usually 1 to 20 parts by weight, preferably 2 to 15 parts by weight, and preferably 3 to 10 parts by weight with respect to 100 parts by weight of the resin component. More preferred.

  The polycarbonate resin composition for LDS may contain only one type of elastomer or two or more types. When two or more types are included, the total amount is preferably within the above range.

<White pigment>
The polycarbonate resin composition for LDS may contain a white pigment. By adding a white pigment, the resin molded product can be colored. Examples of white pigments include ZnS, ZnO, and titanium oxide, with zinc sulfide and titanium oxide being preferred.

As titanium oxide, it is preferable to use titanium oxide containing 80% by weight or more of titanium oxide from the viewpoint of whiteness and hiding properties among those commercially available. Examples of the titanium oxide include titanium monoxide (TiO), titanium trioxide (Ti ₂ O ₃ ), titanium dioxide (TiO ₂ ), and any of these may be used, but titanium dioxide is preferred. . Further, as the titanium oxide, those having a rutile type crystal structure are preferably used.

  The average primary particle diameter of the white pigment is preferably 1 μm or less, more preferably in the range of 0.001 to 0.5 μm, and still more preferably in the range of 0.002 to 0.1 μm. . By setting the average particle diameter of the white pigment in such a range and the content in the range described later, a resin composition that gives a molded product having high whiteness and high surface reflectance can be obtained.

  When an inorganic pigment is used as the white pigment, a surface-treated one may be used. The white pigment used in the present invention is preferably a white pigment surface-treated with at least one siloxane compound. In this case, the adhesion amount of the siloxane compound is preferably 0.1 to 5% by weight of the white pigment. About a siloxane compound, the description of the above-mentioned polyorganohydrogensiloxanes and organopolysiloxanes can be considered, and a preferable range is also the same.

  As a preferred embodiment, a formulation using titanium oxide surface-treated with at least one selected from polyorganohydrogensiloxanes and organopolysiloxanes is exemplified.

  A commercially available white pigment can be used. Furthermore, it is also possible to use a material obtained by pulverizing a lump-shaped material or a material having a large average particle size, and classifying the material with a sieve or the like as necessary to obtain the above-mentioned average particle size.

  When the polycarbonate resin composition for LDS contains a white pigment, the content of the white pigment is preferably 0.1 to 10 parts by weight, and preferably 1 to 8 parts by weight with respect to 100 parts by weight of the resin component. Is more preferably 2 to 5 parts by weight. Only one type of white pigment may be included, or two or more types may be included. When two or more types are included, the total amount is preferably within the above range.

<Phosphorus stabilizer>
The polycarbonate resin composition for LDS preferably contains a phosphorus-based stabilizer.

  As the phosphorus stabilizer, phosphate ester and phosphite ester are preferable.

  Content of this phosphorus stabilizer is 0.01-5 weight part with respect to 100 weight part of resin components, and 0.02-2 weight part is more preferable.

  The polycarbonate resin composition for LDS may contain only one type of phosphorous stabilizer, or may contain two or more types. When two or more types are included, the total amount is preferably within the above range.

<Antioxidant>
The polycarbonate resin composition for LDS may contain an antioxidant. As the antioxidant, a phenolic antioxidant is preferable.

  Content of antioxidant is 0.01-5 weight part with respect to 100 weight part of resin components, and 0.05-3 weight part is more preferable.

  The polycarbonate resin composition for LDS may contain only one kind of antioxidant or two or more kinds. When two or more types are included, the total amount is preferably within the above range.

<Release agent>
The polycarbonate resin composition for LDS may contain a release agent. The release agent is preferably at least one compound selected from aliphatic carboxylic acids, aliphatic carboxylic acid esters, and aliphatic hydrocarbon compounds having a number average molecular weight of 200 to 15000. Among these, at least one compound selected from aliphatic carboxylic acids and aliphatic carboxylic acid esters is more preferably used.

  Content of this mold release agent is 0.01-5 weight part with respect to 100 weight part of resin components, and 0.05-3 weight part is more preferable.

  The polycarbonate resin composition for LDS may contain only one type of release agent, or may contain two or more types. When two or more types are included, the total amount is preferably within the above range.

  The polycarbonate resin composition for LDS may contain other components. Other components include stabilizers other than phosphorus stabilizers, ultraviolet absorbers, flame retardants, inorganic fillers other than glass fillers and talc, fluorescent brighteners, anti-dripping agents, antistatic agents, antifogging agents, lubricants, Antiblocking agents, fluidity improvers, plasticizers, dispersants, antibacterial agents and the like can be mentioned. Two or more of these may be used in combination.

Moreover, as a synthetic resin material which comprises an insert molded object, the resin composition for LDS of Unexamined-Japanese-Patent No. 2013-144768 is suitable, for example. In particular, when the main constituent resin of the panel main body or the frame-shaped portion is a polyamide resin, the polyamide resin composition for LDS described in the above document is suitable.
The LDS resin composition includes 10 to 150 parts by weight of inorganic fibers and 1 to 30 parts by weight of a laser direct structuring additive with respect to 100 parts by weight of a thermoplastic resin. A thermoplastic resin composition for laser direct structuring comprising antimony, wherein the content of antimony is less than that of tin.

<Thermoplastic resin>
The type of thermoplastic resin is not particularly defined. For example, polycarbonate resin, alloy of polyphenylene ether resin and polystyrene resin, alloy of polyphenylene ether resin and polyamide resin, thermoplastic polyester resin, methyl methacrylate / acrylonitrile / butadiene / styrene Examples thereof include a polymerization resin, a methyl methacrylate / styrene copolymer resin, a methyl methacrylate resin, a rubber-reinforced methyl methacrylate resin, a polyamide resin, a polyacetal resin, a polylactic acid resin, a polyolefin resin, and a polyphenylene sulfide resin. In the present invention, a polyamide resin, a thermoplastic polyester resin, or a polyphenylene sulfide resin is preferably used, and a polyamide resin is more preferable. Only one type of thermoplastic resin may be used, or two or more types may be used in combination.

  As the polyamide resin, known aliphatic polyamide resins, semi-aromatic polyamide resins, and aromatic polyamide resins can be used. Preferably, 50 mol% or more of the diamine structural unit (the structural unit derived from diamine) is xylylenediamine. Is a polyamide resin derived from More than 50 mol% of the diamine is derived from xylylenediamine and is a xylylenediamine-based polyamide resin polycondensed with a dicarboxylic acid.

  Preferably, 70 mol% or more, more preferably 80 mol% or more of the diamine structural unit is derived from metaxylylenediamine and / or paraxylylenediamine, and preferably a dicarboxylic acid structural unit (a structural unit derived from dicarboxylic acid). Is a xylylenediamine polyamide derived from an α, ω-linear aliphatic dicarboxylic acid having 50 mol% or more, more preferably 70 mol% or more, particularly 80 mol% or more, preferably 4 to 20 carbon atoms. Resin. As the α, ω-linear aliphatic dibasic acid having 4 to 20 carbon atoms, adipic acid, sebacic acid, suberic acid, dodecanedioic acid, eicodioic acid and the like can be preferably used.

<Inorganic fiber>
Only one type of inorganic fiber may be used, or two or more types may be used in combination.

  Examples of the inorganic fiber include glass fiber, milled fiber, alumina fiber, potassium titanate whisker, and the like, and examples of the metal fiber include steel fiber and stainless steel fiber, and glass fiber is particularly preferable. Generally, the glass fiber used for the thermoplastic resin is E glass, and the Mohs hardness of the glass fiber is usually 6.5.

  Glass fibers preferably have an average diameter of 20 μm or less, and those having an average diameter of 1 to 15 μm further increase the balance of physical properties (strength, rigidity, heat-resistant rigidity, impact strength) and further reduce molding warpage. Is preferable. Further, glass fibers having a circular cross-sectional shape are generally used in many cases, but there is no particular limitation. For example, even when the cross-sectional shape is an oval, eyebrows, an ellipse, or a rectangle, the same can be used.

  The length of the glass fiber is not specified and can be selected from a long fiber type (roving), a short fiber type (chopped strand), or the like. In this case, the number of focusing is preferably about 100 to 5000. Further, if the average length of the glass fiber in the thermoplastic resin composition after kneading the thermoplastic resin composition is 0.1 mm or more, so-called milled fiber, a pulverized product of strands called glass powder may be used, Alternatively, a continuous single fiber sliver may be used. The composition of the raw material glass is preferably non-alkali, and examples thereof include E glass, C glass, and S glass. In the present invention, E glass is preferably used.

  The glass fiber is preferably surface-treated with a silane coupling agent such as γ-methacryloxypropyltrimethoxysilane, γ-glycidoxypropyltrimethoxysilane, γ-aminopropyltriethoxysilane, etc. The adhesion amount is usually 0.01 to 1% by weight of the glass fiber weight. Furthermore, if necessary, a lubricant such as a fatty acid amide compound, silicone oil, an antistatic agent such as a quaternary ammonium salt, a resin having a film forming ability such as an epoxy resin or a urethane resin, a resin having a film forming ability and a heat. What was surface-treated with a mixture of a stabilizer, a flame retardant, etc. can also be used.

  An embodiment in which the Mohs hardness of the inorganic fiber is 1.5 or more larger than the Mohs hardness of the LDS additive is exemplified. In this embodiment, the difference in Mohs hardness between the inorganic fiber and the LDS additive is preferably 1.5 to 6.5, and more preferably 1.5 to 5.5.

  Content of an inorganic fiber is 10-150 weight part with respect to 100 weight part of thermoplastic resins, Preferably it is 10-130 weight part, More preferably, it is 20-100 weight part.

<Laser direct structuring additive>
The LDS additive contains antimony and tin, preferably contains antimony oxide and / or tin oxide, and the content of antimony is smaller than that of tin.

  Examples of the LDS additive include tin doped with antimony, tin oxide doped with antimony, and tin oxide doped with antimony oxide.

  In the LDS additive, the proportion of antimony is preferably 3.5% by weight or more, more preferably 3.5 to 25% by weight, further preferably 5 to 20% by weight, particularly preferably 7 to 19% by weight, 8-18% by weight is most preferred.

  In the LDS additive, the ratio of tin is preferably 60 to 96.5% by weight, more preferably 60 to 80% by weight, further preferably 60 to 73% by weight, and particularly preferably 60 to 67% by weight. By setting it as such a range, it exists in the tendency for mechanical strength to improve more.

  Of the metal components contained in the LDS additive, the total of antimony and tin preferably occupies 63.5% by weight or more, and preferably 75% by weight or more.

  The Mohs hardness of the LDS additive is preferably 1.0 to 5.0 (preferably 2.0 to 5.0). The average particle size of the LDS additive is preferably 0.01 to 50 μm, and more preferably 0.05 to 30 μm. By adopting such a configuration, the uniformity of the plating surface state tends to be good when plating is applied.

  As the LDS additive, the LDS additive as described above in the polycarbonate resin composition for LDS can also be used, and only one type may be used or two or more types may be used in combination.

  The content of the LDS additive is 1 to 30 parts by weight, preferably 2 to 25 parts by weight, and more preferably 3 to 18 parts by weight with respect to 100 parts by weight of the thermoplastic resin. Further, as described later, by combining with talc, plating can be formed with a small addition amount.

<Alkali>
The resin composition for LDS may contain an alkali. When the LDS additive is an acidic substance (for example, pH 6 or less), there are cases where the color becomes a mottled pattern due to reduction by the combination itself, but by adding alkali, the color of the resulting resin molded product can be changed. It can be made more uniform. The kind of alkali is not particularly defined, and calcium hydroxide, magnesium hydroxide and the like can be used. Only one type of alkali may be used, or two or more types may be used in combination.

  The alkali content depends on the type of LDS additive and the type of alkali, but is preferably 0.01 to 3% by weight, more preferably 0.05 to 1% by weight of the content of the LDS additive. It is.

<Inorganic pigment>
The resin composition for LDS may contain an inorganic pigment. By adding an inorganic pigment, the resin molded product can be colored. Only one type of inorganic pigment may be used, or two or more types may be used in combination. As the inorganic pigment, an inorganic pigment having an L ^* value of 80 or more in CIELab and a Mohs hardness of 5.0 or less is preferable. The L ^* value is more preferably 50-100.

The Mohs hardness of the inorganic pigment is preferably 2 to 5 (preferably 2.5 to 4.5). Examples of such inorganic pigments include ZnS (L ^* value: (87 to 95), Mohs hardness: 3-3.5), ZnO (L ^* value: (88 to 96), Mohs hardness: 4 to 5). Illustratively, ZnS is more preferred.

  The content of the inorganic pigment in the resin composition for LDS is preferably 0.1 to 20 parts by weight, more preferably 0.3 to 15 parts by weight with respect to 100 parts by weight of the thermoplastic resin composition. More preferably, it is 0.5 to 12 parts by weight.

<Talc>
The resin composition for LDS may contain talc. By blending talc, appropriate plating can be formed even if the amount of LSD additive added is reduced.

  The content of talc in the resin composition for LDS is preferably 0.01 to 3 parts by weight and preferably 0.05 to 1.5 parts by weight with respect to 100 parts by weight of the thermoplastic resin composition. More preferred is 0.1 to 1 part by weight. By blending talc, the content of the LDS additive can be, for example, 1 to 15 parts by weight, and further 1 to 10 parts by weight with respect to 100 parts by weight of the thermoplastic resin. .

  The resin composition for LDS may further contain various additives. Examples of such additives include mold release agents, light stabilizers, heat stabilizers, antioxidants, ultraviolet absorbers, flame retardants, dyes and pigments, fluorescent whitening agents, anti-dripping agents, antistatic agents, and antifogging agents. , Lubricants, antiblocking agents, fluidity improvers, plasticizers, dispersants, antibacterial agents and the like.

  Moreover, these components may use only 1 type and may use 2 or more types together. In the resin composition for LDS of the present invention, it is preferable that 99% by weight or more of components other than inorganic fibers have a lower Mohs hardness than inorganic fiber components, and all the components other than inorganic fibers have a Mohs hardness higher than that of inorganic fiber components. More preferably, it is low.

<Release agent>
Examples of the release agent include aliphatic carboxylic acids, esters of aliphatic carboxylic acids and alcohols, aliphatic hydrocarbon compounds having a number average molecular weight of 200 to 15,000, polysiloxane silicone oils, amide compounds, and the like. It is done.

  The content of the release agent is usually 0.001 parts by weight or more, preferably 0.1 parts by weight or more, and usually 2 parts by weight or less, based on 100 parts by weight of the total of the thermoplastic resin and the inorganic fibers. The amount is preferably 1 part by weight or less. When the content of the release agent is less than the lower limit of the range, the effect of releasability may not be sufficient, and when the content of the release agent exceeds the upper limit of the range, hydrolysis resistance And mold contamination during injection molding may occur.

<Light stabilizer>
Examples of the light stabilizer include ultraviolet-absorbing compounds such as benzophenone compounds, salicylate compounds, benzotriazole compounds, and cyanoacrylate compounds, and radical scavenging ability such as hindered amine compounds and hindered phenol compounds. And the like.

  As a light stabilizer, a higher stabilizing effect can be exhibited by using a compound having an ultraviolet absorption effect and a compound having a radical scavenging ability in combination.

  As the light stabilizer, one kind may be used, or two or more kinds may be used in combination.

  The content of the light stabilizer is usually 0.001 part by weight or more, preferably 0.01 part by weight or more, more preferably 0.03 part by weight or more with respect to 100 parts by weight of the total of the thermoplastic resin and the inorganic fiber. In addition, it is usually 3 parts by weight or less, preferably 2 parts by weight or less, more preferably 1 part by weight or less.

<Heat stabilizer>
The resin composition for LDS may further contain a heat stabilizer. The heat stabilizer is at least one selected from the group consisting of phenolic compounds, phosphite compounds, hindered amine compounds, triazine compounds, and sulfur compounds.

  One type of heat stabilizer may be used, or two or more types may be used in combination.

  The content of the heat stabilizer is usually 0.001 parts by weight or more, preferably 0.01 parts by weight or more, more preferably 0.03 parts by weight or more with respect to 100 parts by weight of the total of the thermoplastic resin and the inorganic fibers. In addition, it is usually 3 parts by weight or less, preferably 2 parts by weight or less, more preferably 1 part by weight or less. If the amount of the heat stabilizer is too small, the heat stabilization effect may be insufficient. If the amount of the heat stabilizer is too large, the effect may reach a peak and may not be economical.

  The manufacturing method of the resin composition for LDS which is a constituent material of an insert molded object is not specifically defined, and the manufacturing method of a well-known thermoplastic resin composition can be employ | adopted widely. Specifically, each component is mixed in advance using various mixers such as a tumbler or Henschel mixer, and then melt kneaded with a Banbury mixer, roll, Brabender, single-screw kneading extruder, twin-screw kneading extruder, kneader, etc. By doing so, a resin composition can be produced.

  Also, for example, without mixing each component in advance, or only a part of the components is mixed in advance, and supplied to an extruder using a feeder and melt-kneaded to produce the LDS resin composition of the present invention. You can also

  Furthermore, for example, a resin composition obtained by mixing some components in advance, supplying them to an extruder and melt-kneading is used as a master batch, and this master batch is mixed with the remaining components again and melt-kneaded. The resin composition for LDS of the present invention can also be produced.

  The method for producing a resin molded body for forming a conductive part from the above LDS resin composition is not particularly limited, and a known molding method such as extrusion molding, injection molding, thermoforming, compression molding or the like is selected. However, it is preferable to select an injection molding method such as a general injection molding method, an ultra-high-speed injection molding method, or an injection compression molding method because it is simpler and has excellent flexibility in shape. . The shape of the molded resin molded body can be appropriately selected according to the intended use, but in the present invention, those having a mean thickness of 0.8 mm or less are excluded.

  Next, the process of providing the conductive portion 5 on the surface of the resin molded body (the above-mentioned insert molded body 4) obtained by molding the LDS fat composition will be described.

  First, the resin molding is irradiated with a laser. The laser here is not particularly defined, and can be appropriately selected from known lasers such as a YAG laser, an excimer laser, and electromagnetic radiation, and a YGA laser is preferable. Further, the wavelength of the laser is not particularly defined. A preferable wavelength range is 200 nm to 1200 nm. Especially preferably, it is 800-1200 nm.

  When the laser is irradiated, the resin molded body is activated only in the portion irradiated with the laser. In this activated state, the resin molding is applied to the plating solution. The plating solution is not particularly defined, and a wide variety of known plating solutions can be used. A metal component in which copper, nickel, gold, silver, and palladium are mixed is preferable, and copper is more preferable.

  The method of applying the resin molded body to the plating solution is not particularly defined, but for example, a method of introducing the resin molded body into a solution containing the plating solution can be mentioned. In the resin molded body after the plating solution is applied, a plating layer is formed only on the portion irradiated with the laser.

  In this method, it is possible to form a line interval having a width of 1 mm or less, further 500 μm or less, and particularly 150 μm or less (the lower limit is not particularly defined, but for example 30 μm or more). Such a circuit is preferably used as an electric circuit such as an antenna or a hot wire.

[Hard coating]
As described above, in the present invention, in order to mainly prevent the panel body 2 from being damaged or deteriorated, a hard coat (hard coating) may be provided as a protective film. Such a hard coating may be provided only on the front surface of the panel main body, or provided on both the front surface of the panel main body and the region other than the portion where the frame-shaped portion is provided on the rear surface of the panel main body. Also good. The thickness of the hard coating is preferably 1/100 or less of the thickness of the panel body 2, usually 1 to 50 μm, particularly preferably 5 to 20 μm.

  The hard coating may be a single layer, but may have a multilayer structure of two or more layers in order to improve the protection function and weather resistance. In the multilayer structure, it is preferable to set the hardness of the outermost layer to the maximum. As the hard coating having a multilayer structure, for example, it has at least one function among a functional layer of each of heat ray shielding, ultraviolet absorption, thermochromic, photochromic, electrochromic, primer layer, colored decoration layer, etc. It is preferable.

  A transparent resin is suitable for the constituent material of the hard coating. As such a transparent resin, a known material known as a hard coat agent can be used as appropriate. For example, various hard coat agents such as silicone, acrylic, silazane, and urethane can be used. I can do it. In these, in order to improve adhesiveness and a weather resistance, the 2-coat type hard coat which provides a primer layer before apply | coating a hard-coat agent is preferable. Examples of the coating method include spray coating, dip coating, flow coating, spin coating, and bar coating. Moreover, the method by a film insert, the method of apply | coating and transferring the chemical | medical agent suitable for a transfer film, etc. can also be employ | adopted.

  A thin film having various functions (heat ray shielding, ultraviolet absorption, thermochromic, photochromic, and electrochromic functions) may be formed on the inner layer side with the hard coating as the outermost layer. Further, a functional layer having anti-fogging property, a layer having thermal conductivity, a heat ray for defogging, or the like may be disposed on the surface constituting the vehicle interior. At this time, the functional layer having antifogging properties is preferably the outermost layer.

  A transparent resin layer may be provided between the surface of the panel body 2 and the hard coating.

  In the present invention, an uneven portion may be formed at the boundary between the rear surface of the panel main body 2 and the frame-shaped portion 3 to increase the bonding strength between the panel main body 2 and the frame-shaped portion 3. In the present invention, an attachment piece for attaching other components may be provided on the frame-like portion.

  The present invention is widely useful for industrial applications, and is suitable for multilayer molded products that require design properties on the design surface side. In particular, the present invention can be widely applied to automobile applications, and in particular, automotive glazing members such as back door windows, sunroofs, and rear quarter windows, and exterior panels such as back door panels, side door panels, roofs, fenders, and bonnets, It is suitable for exterior panel parts for automobiles. In addition to automotive exterior panel parts, the present invention has a wide range of construction machines such as canopies, lighting lenses, mirrors, motorcycle windshields, nameplates, solar cell covers or solar cell substrates, and display device covers. It can be used for applications.

1, 1A to 1G Panel 2 Panel body 3 Frame-like part 4, 4 ', 4'', 4A, 4C to 4G Insert molded body (injection molded body)
5 conductive portion 4t protruding piece portion 6 connector 7 circuit member

Claims (12)

  In a panel provided with a synthetic resin panel body having a front surface and a rear surface, and a synthetic resin frame-like portion provided on the peripheral edge of the rear surface of the panel body, the molded body in which the conductive portion is formed, A panel integrated with at least one of a panel main body and the frame-shaped part.   The panel according to claim 1, wherein the conductive portion is provided on at least a part of a protrusion, an uneven portion, a bent portion, and a curved portion of the molded body.   The panel according to claim 1, wherein the conductive portion formed in the molded body is formed by a laser direct structuring method.   The panel according to any one of claims 1 to 3, wherein at least a part of the conductive portion formed on the molded body is exposed on the surface of the panel.   The panel according to any one of claims 1 to 4, wherein a connection portion for supplying power is integrally provided.   The panel according to claim 5, wherein the connecting portion for supplying power includes a projecting piece.   The panel according to any one of claims 1 to 6, wherein the synthetic resin material constituting the panel body is an aromatic polycarbonate resin composition.   The synthetic resin material constituting the frame-shaped portion is one or more thermoplastic resin compositions selected from the group consisting of aromatic polycarbonate resins, polyester resins, polyamide resins, and styrene resins. The panel according to any one of claims 1 to 7.   The synthetic resin material constituting the molded body on which the conductive part is formed is 100 parts by weight of one or more resin components selected from the group consisting of an aromatic polycarbonate resin, a polyester resin, a polyamide resin, and a styrene resin. On the other hand, the panel according to any one of claims 1 to 8, which is a thermoplastic resin composition containing 2 to 30 parts by weight of a laser direct structuring additive.   One or more selected from the group consisting of glass fiber, carbon fiber, organic fiber, talc, mica, and wollastonite, at least one of the synthetic resin materials constituting the molded body in which the frame-shaped part and the conductive part are formed, The panel according to any one of claims 1 to 9, which is a thermoplastic resin composition containing two or more kinds of fillers.   The hard coating is formed in one or both of the front surface of the said panel main body, and the area | regions other than the part in which the said frame-shaped part was provided in the rear surface of this panel main body, thru | or 1 characterized by the above-mentioned. The panel according to any one of 10.   A vehicle comprising the panel according to any one of claims 1 to 11.

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