JPS6227080A - Method for decorating coated film - Google Patents

Abstract

PURPOSE:To uniquely decorate the surface of a coated film by forming a synthetic resin coated film wherein a pattern forming material consisting of a synthetic resin is embedded and then buffing the coated film. CONSTITUTION:A synthetic resin coated film 3 wherein a pattern forming material 2 consisting of a synthetic resin is embedded is formed on a substrate 1. The difference in the heat-deflection temp. between the synthetic resin constituting the pattern forming material 2 and the synthetic resin constituting the coated film 3 is preferably regulated to >=20 deg.C and the heat-deflection temp. of either resin is controlled to <80 deg.C. The coated film 3 is buffed to provide rugged variations on the surface of the coated film and a special decorating effect is obtained. For example, epoxy polyester having 100 deg.C heat-deflection temp. is used for the coated film 3 and acrylic urethane having 70 deg.C heat- deflection temp. is used for the pattern forming material 2. Namely, the difference in the heat-deflection temp. between the pattern forming material 2 and the coated film 3 is utilized, a flat surface and a rugged surface are formed on the surface of the coated film in correspondence with the position of the pattern forming material and the surface of the coated film can be uniquely decorated.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for decorating a synthetic resin coating film, which involves forming a synthetic resin coating film in which a pattern-forming material made of synthetic resin is embedded, and then This is buffed, and the difference in heat deformation temperature between the pattern formation and the paint film is used to create a surface area between the surface of the paint film where the pattern formation is buried and the surface of the paint film on other parts. This allows special decorations to be applied to differentiate skin conditions.

[Prior art and its problems]

Traditionally, in order to decorate a paint film, a method has been adopted in which a paint film is formed on a base material, the surface of this paint film is ground, and a desired pattern is printed on it by screen printing. ing.

However, in such a decoration method, since the pattern protrudes onto the coating film, there are many problems in that the pattern is uneven and lacks a high-class feel, and moreover, the pattern easily peels off from the coating surface. In addition, the surface texture of the pattern is limited to the screen grain of screen printing, and it is difficult to express other surface textures such as grains, and it is difficult to match the surface gloss of the coating surface and the pattern surface. There were also problems.

[Means for solving problems]

Therefore, in this invention, the synthetic resin coating film in which the pattern-forming material made of synthetic 4!1 resin is embedded is preferably adjusted to the heat deformation temperature of the synthetic resin forming the pattern-forming material and the temperature of the synthetic resin forming the coating film. The film is formed while satisfying the conditions that the difference from the deformation temperature is 20°C or more and the heat deformation temperature of either side is less than 80°C, and this paint film is buffed to create an uneven pattern on the surface of the paint film. The above-mentioned problems are solved while providing a special decorative effect.

1 to 5 show the decorating method -V] of the present invention in order of steps, and the reference numeral 1 in the figures is a base material. The base material 1 is not particularly limited as long as it can be painted on its surface and can withstand heat and pressure treatment in the post-process, and can be arbitrarily selected from joints, plastics, wood materials, glass, ceramics, etc. can.

On this base material 1, a pattern formation 2 is partially provided as shown in FIG. The pattern formation 2 is made of synthetic resin, and includes, for example, a printed pattern such as a screen part ['', a piece of synthetic fiber nonwoven fabric cut into a desired shape, a piece of plastic film, a piece of plastic sheet, a piece of plastic Damaged piece Rurui is synthetic A1 fat bay/
Printed patterns are formed on the base material 1 by a printing method, while Sennari cloth pieces, glass stick pieces, etc. are placed on the base material 1 and temporarily fixed with adhesive. The paint pattern is formed by a painting method using masking etc.
Provided on the base material 1.

On top of this, a synthetic resin coating 3 is then applied as shown in Figure 2.
is provided. The synthetic resin coating film 6 is transparent, colored transparent, or transparent so that the pattern forming material 2 can be seen through, and is made of unsaturated polyester resin, epoxy resin, Diary/I/7
A method for applying and curing uncured thermosetting resins such as talate resins and phenol/I/resins, solutions or emulsions of thermoplastic resins such as acrylic resins, vinyl chloride resins, and cellulose derivative resins. The method of applying and drying the liquid, thermoplastic resins such as saturated polyester resin, polyethylene resin, vinyl chloride resin, styrene resin, epoxy resin, epoxy polyester resin, etc.
It is formed by a method such as spraying thermosetting resin powder such as thermosetting acrylic resin using an electrostatic coating method or an anti-fabrication method, and applying heat and pressure, and its thickness is at least greater than the thickness of the pattern forming object 2. The thickness is also increased, and is usually in the range of about 80 to 1000 μm.

The following relationship must be satisfied between the heat deformation temperature of the synthetic resin forming the coating film 3 and the heat deformation temperature of the synthetic resin forming the pattern formation material 2. , the difference in heat distortion temperature between the two is 20°C or more (and the heat distortion temperature of either one is less than 806°C)
It is necessary to The difference in heat distortion temperature between the two is 20 (°
If it is not more than C, the pattern formation material 2 and the coating film 3 will be thermally deformed (
This is because the difference between - is not noticeable, and the polishing heat from the buffing in the post-process is used to remove the coating film 3 or the pattern-formed material 2.
In order to soften and deform either one of them, a condition of less than 80°C is required.

An example of a combination of synthetic resins that satisfies this condition is shown below.

Coating film Pattern-forming product Quaboxyphenol 105: r-fvy vinegar 7
Bi:″” 40) K Arashi Combination 9 Epoxy 95 Vinyl Butyral
6゜Epoxy 95 Acrylic urethane 7゜D Epoxy 110 Acrylic
66 acrylic 50 epoxy
80D Acrylic 60 Polyester 1
20 Reacrylic Urethane 70 Polyester
120. The heat distortion temperature varies depending on the resin formulation and curing state, and also varies even for the same resin set, so the above values are approximate values.

Next, a buffing process is performed, but the coating film 3 may be ground prior to this step, or a top coat may be applied on the coating film 3. When grinding the coating film 3, it is necessary to adjust the amount of grinding so that the pattern formation 2 is not exposed on the surface.
When applying a top coat, care must be taken to ensure that the thickness is 200 μm or less and that the frictional heat during buffing is transmitted to the coating film 3 and the pattern forming material 2 to cause sufficient softening and deformation.

Buffing is performed using a buffing device equipped with a normal cloth buff. The surface temperature of the buffing surface is at least 8
The contact pressure and contact time of the buff are controlled so that the temperature is 0° C. or higher, and the entire surface of the coating film 3 is uniformly polished. As a result of this buffing, the surface of the coating film 5 becomes uneven, as shown in FIG. This is an example of a combination in which the heat deformation temperature of the pattern forming material 20 is lower than that of the synthetic resin of the coating film 30, and is less than 80°C.

On the other hand, the heat deformation temperature of the synthetic resin of coating film 50 is
In the case of a combination example in which the temperature is lower than the heat deformation temperature of the synthetic resin and less than 80°C, as shown in FIG. becomes. Furthermore, as shown in FIG.
In the case where a transparent topcoat layer 4 of 0 μm or less is provided and buffed, the unevenness appearing on the surface of the topcoat layer 4 is finer than that appearing on the surface of the coating film 3, and the degree of unevenness is different from that of the topcoat layer 4. It varies depending on the thickness, and thus the thickness of the topcoat layer 4 can be varied to create various surface textures.

FIGS. 6 to 9 show another example of the decorating method of the present invention in the order of steps, and in this example, the pattern formation material 2 is embedded in the coating film 3 in the first step 1j. Something different will come out.

First, as shown in FIG. 6, a coating film 3 is provided on the entire surface of the base material 1. The method for forming the coating film 6 is the same as in the previous world, but when using a thermosetting resin, a heating material must be selected that maintains meltability even after the coating film is formed. Then, as shown in FIG. 7, a pattern formation 2 is provided thereon. This pattern formation 2 is also formed by the same method as in the previous example.

Then, when the whole is subjected to heat-pressure treatment, the coating film 3 is fluidized in a heating bath, and the pattern-forming material 2 is embedded in the coating film 3 as shown in FIG. At this time, if the size of the pattern formed object 2 is small, the resin of the coating film 3 will flow as shown in FIG.
A continuous coating film 3 is also formed above the pattern formation object 2. Also, if the size of the pattern formation object 2 is large, the resin of the coating film 6 will not flow sufficiently above it. , the same type of resin as the coating film 6 is applied to at least the pattern-forming material 2 before the heat-pressure treatment.
Apply it on top or apply it to a thickness of 20 mm after heat and pressure treatment.
A method of providing a top coat film with a thickness of less than 0 μm is adopted.

Then, did you buff it? For example, as shown in FIG. 9, unevenness is formed on the surface of the coated PP 6 directly above the pattern formation 2, and a smooth surface is formed otherwise. In this case as well, as in the previous example, the heat deformation temperature of the synthetic wood + 1W of the pattern formation material 2 is higher than the heat deformation temperature of the coating film 60 If it is less than °C,
Conversely, the surface of the coating film 3 directly above the pattern formation 2 becomes smooth, and the other surface becomes uneven.

[Effect]

In such a decoration method, frictional heat during buffing is used to soften and deform either the coating film 6 or the pattern formation material 2. By this, it is possible to partially form an uneven surface on the coating surface of the coating film 6, and change the surface condition within the same coating film surface in accordance with the location of the pattern forming object 2,
A special decorative effect can be obtained.

In addition, since the pattern formation material 2 is completely buried in the coating @ 3, the decorative coating film has a high-class feel.
There is no possibility that the pattern formation 2 will stick.

Moreover, since the uneven parts and the smooth parts of the surface of the coating film 3 are made of the same resin paste and are buffed at the same time, they have the same surface gloss, giving a continuous feeling and not giving any strange feeling.

Furthermore, since various materials can be used for the pattern formation 2, various textures can be expressed.

〔Example〕

(Real 'IM 1'1) A 2.7 inch thick lauan plywood was colored with an oil-based dye (for use with urethane resin as a fixing resin) and dried, which was used as a base material. A pattern was formed on this base material by screen printing using a urethane resin printing ink having a heat deformation temperature of 70°C. Then, 150.9 ml of epoxy polyester powder (1o o)
/m"f
Heat and pressure treatment was carried out at 40° C. and a pressure of 1° OMPa for 30 minutes, and after cooling, the pressure was decompressed to obtain a decorative board having a smooth coating film. The heat distortion temperature of the coating film was 100°C. When this coating film was buffed, the coating film on top of the pattern formation became uneven, and the other parts were decorated with smooth surfaces.

(Example 2) American walnut veneer with a thickness of 0.2 m was
．． It was attached to a 5fl round plywood to obtain a decorative plywood, and an oil-based dye (urethane resin was used as the fixing resin) was applied to the surface of the veneer of the decorative plywood, dried, and attached to form a base material. Epoxyfer powder resin (100 mesh passes) was sprinkled at 150 g/m on this base material, and after being fused to the base material in a far infrared furnace, ethylene vinyl acetate copolymer tofufu pattern pieces (heat deformable Temperature: 40°C) was placed on top of this, and heat and pressure treatment was performed using a hot press at 140°C, 1.0 MPa, for 20 minutes, and after cooling, the pressure was decompressed to form a smooth coating film with embedded pattern pieces of nonwoven fabric. A decorative board was obtained with a heat deformation temperature of 1.
5 Next, when the paint film of this decorative board was buffed, the paint film on the pattern piece became uneven and became a non-woven fabric-like skin, while the other parts were decorated with smooth skin. Obtained.

(Example 6) A base material similar to that in Example 2 was prepared, and a heat deformation temperature of 8
A pattern was formed using epoxy resin ink at 0° C. to provide a pattern formation. After drying, a transparent thermoplastic acrylic resin paint was applied thereon by a conventional spray method to form a coating film having a basis weight of 1209/d. The heat distortion temperature of this coating film was 40°C. Then, this was subjected to hot pressure treatment at 100° C. and 1.0 MPa for 2 minutes in a hot press to obtain a decorative board having a smooth coating film.

When this decorative board was buffed, the coating film directly above the pattern formation was smooth, and the other parts were uneven.

(Example 4) In the same manner as in Example 2, a decorative board having a coating film made of epoxy phenol powder resin in which nonwoven fabric pattern pieces made of ethyne vinyl acetate A polymer were embedded was prepared, and on this coating film, further A urethane resin paint was applied to a thickness of 50 μm and dried. Then, when buffing was performed from above, the coating film directly above the pattern piece became a non-woven fabric-like skin, as in Example 2.
Although the coating film on other parts was smooth, the nonwoven fabric-like skin was finer than that obtained in Example 2.

〔Effect of the invention〕

As explained above, in the coating film decoration method of the present invention, a pattern-forming material made of synthetic resin is embedded in a synthetic resin coating film, and the surface of this coating film is buffed to combine the pattern-forming material and the coating. Utilizing the difference in heat deformation temperature with the film, a smooth surface and an uneven surface are formed on the surface of the heavy film corresponding to the positions of the pattern formations, so a unique decoration can be applied to the surface of the paint film. be able to. In addition, since the pattern is finished with the pattern formed embedded in the paint film,
It gives a luxurious feel and the pattern does not peel off. moreover,
Since both the smooth and uneven surfaces of the paint film surface are buffed at the same time, the surface gloss is continuous and does not look strange, and since a wide variety of materials can be selected for the pattern forming material, the glazed texture can be clearly seen. It is also possible

[Brief explanation of the drawing]

Figures 1 to 5 are schematic sectional views showing one example of the decorating method of the present invention in the order of steps, and Figures 6 to 9 are diagrams showing other examples of the decorating method of the present invention in the order of the steps. It is a schematic sectional view.

Claims (2)

[Claims] (1) A coating film decoration method characterized by forming a synthetic resin coating film in which a pattern-forming material made of synthetic resin is embedded on a base material, and then buffing the coating film. (2) The difference between the heat distortion temperature of the synthetic resin forming the pattern formation and the heat distortion temperature of the synthetic resin forming the coating film is 20°C or more, and the heat distortion temperature of either one is less than 80°C. The coating film decoration method according to claim 1, which satisfies the following conditions.