CN105482731A - Protection film used for surface of NFC and preparation method of protection film - Google Patents
Protection film used for surface of NFC and preparation method of protection film Download PDFInfo
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- CN105482731A CN105482731A CN201511021323.XA CN201511021323A CN105482731A CN 105482731 A CN105482731 A CN 105482731A CN 201511021323 A CN201511021323 A CN 201511021323A CN 105482731 A CN105482731 A CN 105482731A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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Abstract
The invention relates to a protection film used for the surface of NFC. The protection film comprises a PET base material layer, an adhesive layer arranged on one side of the PET base material layer and a release film layer attached to the adhesive layer. A black ink layer is arranged on the other side of the PET base material layer, the black ink layer is coated with a matte oil layer which is formed by film formation of an organic delustering agent, the black ink layer contains 0.5%-0.8% of aluminum compound, and the mean grain size of the aluminum compound ranges from 0.2 mm to 0.5 mm. The invention further relates to a preparation method of the protection film. The matte oil layer prevents fingerprints and scratches, meanwhile, the protection film has the functions of resisting solvents, achieving heat radiation and the like, and the service life of an NFC chip can be effectively prolonged. In addition, the aluminum compound is added to the black ink layer, waves, interfering with communication message receiving of a mobile phone, sent by the NFC chip can be shielded, it is guaranteed that the adhesive force of the adhesive layer of the protection film is moderate, the protection film can be completely attached to the surface of NFC, and adhesive residues or other pollution cannot be caused to the surface of NFC after the protection film is removed.
Description
Technical field
The present invention relates to protective membrane field, particularly relate to a kind of protective membrane for NFC surface and preparation method thereof.
Background technology
NFC technique (NearFieldCommunication, near-field communication) also known as the short distance wireless communication technology, a kind of short-range non contact angle measurement and interconnection technique, allow to carry out contactless Point-to-Point Data Transmission between electronics setting, its service range is less than or equal to 0.1 meter, is mainly used on the electronicss such as digital camera, computer, mobile phone, PDA.
NFC technique is applied more and more general in mobile phone, and major function has mobile-phone payment, mobile phone card-brushing, mobile phone transmission data etc.NFC chip for interior of mobile phone is very small and exquisite, and chip internal structure is complicated, once surface is scratched, the impact such as to make moist, the payment function of NFC will be affected, and containing electromagnetic shielding material in NFC, this material can affect mobile communication Signal reception, thus affects mobile phone normal operation.In addition, during mobile phone running, can produce amount of heat, NFC chip is in hot environment for a long time can affect its work-ing life.
Therefore be badly in need of a kind of protective membrane for NFC surface at present, this protective membrane can extend NFC work-ing life on the one hand, mobile phone reception communication signals can be affected by impedance electromagnetic shielding material on the other hand.
Summary of the invention
First technical problem to be solved by this invention provides a kind of protective membrane for NFC surface, and this protective membrane can extend NFC work-ing life on the one hand, can affect mobile phone reception communication signals by impedance electromagnetic shielding material on the other hand.
Second technical problem to be solved by this invention is the preparation method providing a kind of said protection film for prior art.
The present invention solves the technical scheme that first technical problem adopt: a kind of protective membrane for NFC surface; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; it is characterized in that; the opposite side of described PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; containing the aluminum compound of 0.5 ~ 0.8% in described black ink layer, the median size of this aluminum compound is 0.5 ~ 0.2mm.
As preferably, described organic matting agent is that organic thermoset with 0.1 ~ 0.5 μm of granule gathers MU resin, organic matting agent exists with very thin suspended substance dispersion state in a solvent, these suspended substances during film forming in organic matting agent are distributed in ink layer surface, reduce the specular reflective of its surface light, form uneven surface and reach the object of delustring, organic thermoset gathers MU resin and has higher hardness and non-melt character, thus the tolerance of ink pellet surface layer can be strengthened, this organic matting agent bulk density is less, its primary granule mean diameter is 0.05 ~ 0.15 μm, form the intimate spherical granule of 0.1 ~ 0.5 μm, these have relatively high specific surface area and void volume, therefore heat radiation and matte effect preferably can be reached, in addition, active methylol in this organic matting agent can be infiltrated in ink layer when film forming, make the Adhesion enhancement before ink layer and PET base material, and the screening effect of dirty oil layer of ink can be strengthened.
As preferably, described aluminum compound is XCP-1002, adds aluminum compound and can shield the ripple that interference handset that NFC chip sends receives communication information in ink.
In the present invention, the test value of ink layer surface smooth finish on 60 ° of glossiness testers is 12 ~ 20, and after this ink layer surface coating dumb light oil reservoir, the test value on 60 ° of glossiness testers is 0.5 ~ 5.
As preferably; the thickness of described substrate layer is 4.5 ~ 6 μm; the thickness of described dumb light oil reservoir is 1 ~ 2 μm; the thickness of described black ink layer is 2 ~ 3 μm; because current mobile phone is tending towards thinning development; whole NFC chip device also will be developed to slimming, therefore in the present invention by the gauge control of this protective membrane within 15 μm, and dumb light oil reservoir under this thickness and black ink layer can play good delustring and screening effect.
As preferably, Adhesive composition used in described adhesive layer is made up of following component and mass fraction thereof: (methyl) acrylic copolymer 100 parts, carbodiimide cross-linking agent 0.05 ~ 3 part, isocyanate crosslinking 0.05 ~ 3 part, the gel fraction of this Adhesive composition is 80% ~ 100%, and protective membrane can be made under this gel fraction to obtain the performances such as good stain resistance, high thermal resistance; The weight-average molecular weight of described (methyl) acrylic copolymer is 100,000g/mol ~ 1,500; 00g/mol; when weight-average molecular weight is less than 100,000g/mol, because this protective membrane rubberization thickness is ultra-thin; adhesive layer will without bounding force to NFC surface; when weight-average molecular weight is higher than 1,500, when 000; adhesive layer is excessive to NFC surface adhesion, is difficult to from NFC sur-face peeling.Preferably 300,000g/mol to 1,000,000g/mol, the viscosity of (methyl) acrylic copolymer of this scope is between 500mPas to 5000mPas, and solid content is 15% to 20%, can can paint glued membrane without solvent cut, simplify coating process and decrease coating cost.
When the content of carbodiimide cross-linking agent is less than 0.05 weight part, (methyl) acrylate copolymer cannot be full cross-linked, adhesive layer produces cull to NFC surface, and content is when being greater than 3 weight part, (methyl) acrylate copolymer can produce gel in a short time, affects its coating performance; The content of carbodiimide cross-linking agent is preferably 0.3 ~ 2 part.
When isocyanate crosslinking content is less than 0.05 weight part, the sticking power of glue-line and PET base material is very poor, and when content is greater than 3 weight part, xanthochromia easily occurs adhesive layer, and uneconomical.
The present invention solves the technical scheme that second technical problem adopt:
The preparation method of the above-mentioned protective membrane for NFC surface, it comprises the following steps:
(1) even spread black ink in the one side of PET base material layer, 80 ~ 100 DEG C of oven dry, rolling, obtained black ink layer;
(2) even spread organic matting agent in obtained black ink layer, 80 ~ 100 DEG C of oven dry, rolling, obtained dumb light oil reservoir;
(3) by above-mentioned mass fraction, (methyl) acrylic copolymer is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then this Adhesive composition is coated on release film equably; 80 ~ 100 DEG C of oven dry; the another side of itself and PET base material layer is attached, rolling, i.e. the obtained required protective membrane for NFC surface.
Compared with prior art, the invention has the advantages that: in the protective membrane in the present invention, be provided with dumb light oil reservoir, by organic matting agent effect, reduce the surface gloss of protective membrane, when being attached at NFC surface, make NFC surface close with the color of interior of mobile phone miscellaneous part, thus do not affect the overall appearance of mobile phone, and this dumb light oil reservoir anti-fingerprint, prevent scratching, infiltrate in ink layer, make the Adhesion enhancement before ink layer and PET base material, and the screening effect of black ink layer can be strengthened, this protective membrane also has solvent resistant simultaneously, the effects such as heat radiation, effectively can extend the work-ing life of NFC chip.
In addition; be added with aluminum compound in black ink layer, it can shield the ripple of the interference handset reception communication information that NFC chip sends, and the adhesive layer clinging power of this protective membrane is moderate simultaneously; NFC surface can be attached to completely, can not produce the pollutions such as cull to NFC surface after opening again.
Accompanying drawing explanation
Fig. 1 is the structural representation for the protective membrane on NFC surface in embodiment 1.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment 1:
As shown in Figure 1, a kind of protective membrane for NFC surface, comprise PET base material layer 1, the adhesive layer 4 being located at this PET base material 1 layer of side and the release film layer 5 be fitted on this adhesive layer 4, the opposite side of PET base material layer 1 is provided with black ink layer 2, this black ink layer 2 is coated with dumb light oil reservoir 3, this dumb light oil reservoir 3 is formed by organic matting agent film forming, aluminum contained compound in black ink layer 2, dumb light oil reservoir 3 thickness is 1 μm, black ink layer thickness is 2 μm, substrate layer 1 is 4.5 μm of PET, adhesive layer 4 thickness is 3 μm, release film layer 5 thickness is 25 μm.(methyl) acrylic copolymer SK-1852 (Japanese Soken Chemical & Engineering Co., Ltd. produces) 100 parts in the Adhesive composition that above-mentioned adhesive layer adopts, (Shanghai Xi Run Chemical Industry Science Co., Ltd produces carbodiimide cross-linking agent XR-201,0.05 part down together), isocyanate crosslinking L-45 (Bayer Bitterfeld GmbH is produced, lower same) 0.5 part.Dumb light oil reservoir adopts organic matting agent 9000, and (Ten Japanese bar is produced, lower same), black ink layer adopts ink NB300794, and ((Shanghai) Chemical Co., Ltd. that refines large day produces, lower same), in black ink layer, XCP-1002 (U.S. CHATTEM produces, lower same) content is 0.5%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-1852 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, namely obtains the protective membrane for NFC surface.
Embodiment 2:
A kind of protective membrane for NFC surface; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 2 μm; black ink layer thickness is 2 μm; substrate layer is 4.5 μm of PET; adhesive layer thickness is 4 μm, and release layer thickness is 38 μm.(methyl) acrylic copolymer SK-1852100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2010.3 part, isocyanate crosslinking L-450.05 part, dumb light oil reservoir adopts organic matting agent 9000, black ink layer adopts ink NB300794, and in this black ink layer, XCP-1002 content is 0.8%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-1852 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, namely obtains the protective membrane for NFC surface.
Embodiment 3:
A kind of protective membrane for NFC surface; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 2 μm; black ink layer thickness is 3 μm; substrate layer is 4.5 μm of PET; adhesive layer thickness is 5 μm, and release layer thickness is 50 μm.(methyl) acrylic copolymer SK-1852100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2013 part, isocyanate crosslinking L-450.5 part.Black ink layer adopts ink NB300794, and dumb light oil reservoir adopts organic matting agent 9000, and in black ink layer, XCP-1002 (U.S. CHATTEM produces) content is 0.6%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-1852 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, namely obtains the protective membrane for NFC surface.
Embodiment 4:
A kind of protective membrane for NFC surface; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 2 μm; black ink layer thickness is 3 μm; substrate layer is 4.5 μm of PET; adhesive layer thickness is 3 μm, and release layer thickness is 25 μm.(methyl) acrylic copolymer SK-1852100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2010.4 part, isocyanate crosslinking L-453 part.Dumb light oil reservoir adopts organic matting agent 9000, and black ink layer adopts ink NB300794, and in black ink layer, XCP-1002 content is 0.8%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-1852 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, namely obtains the protective membrane for NFC surface.
Embodiment 5:
A kind of protective membrane for NFC surface; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 1 μm; black ink layer thickness is 2 μm; substrate layer is 6 μm of PET; adhesive layer thickness is 4 μm, and release layer thickness is 38 μm.In the Adhesive composition that above-mentioned adhesive layer adopts, (Japanese Soken Chemical & Engineering Co., Ltd. produces (methyl) acrylic copolymer SK-2094,100 parts down together), carbodiimide cross-linking agent XR-2010.05 part, isocyanate crosslinking L-450.5 part.Dumb light oil reservoir adopts organic matting agent 9000, and black ink layer adopts ink NB300794, and in black ink layer, XCP-1002 content is 0.6%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-2094 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, namely obtains the protective membrane for NFC surface.
Embodiment 6:
A kind of protective membrane for NFC surface; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 1 μm; black ink layer thickness is 2 μm; substrate layer is 6 μm of PET; adhesive layer thickness is 5 μm, and release layer thickness is 50 μm.(methyl) acrylic copolymer SK-2094100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2010.3 part, isocyanate crosslinking L-450.05 part.Dumb light oil reservoir adopts organic matting agent 9000, and black ink layer adopts ink NB300794, and in this black ink layer, XCP-1002 content is 0.8%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-2094 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, namely obtains the protective membrane for NFC surface.
Embodiment 7:
A kind of protective membrane for NFC surface; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 2 μm; black ink layer thickness is 2 μm; substrate layer is 6 μm of PET; adhesive layer thickness is 3 μm, and release layer thickness is 25 μm.(methyl) acrylic copolymer SK-2094100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2013 part, isocyanate crosslinking L-450.5 part.Dumb light oil reservoir adopts organic matting agent 9000, and black ink layer adopts ink NB300794, and in this black ink layer, XCP-1002 content is 0.5%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-2094 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, namely obtains the protective membrane for NFC surface.
Embodiment 8:
A kind of protective membrane for NFC surface; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 2 μm; black ink layer thickness is 3 μm; substrate layer is 6 μm of PET; adhesive layer thickness is 4 μm, and release layer thickness is 38 μm.(methyl) acrylic copolymer SK-2094100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2010.4 part, isocyanate crosslinking L-453 part.Dumb light oil reservoir adopts organic matting agent 9000, and black ink layer adopts ink NB300794, and in this black ink layer, XCP-1002 content is 0.5%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-2094 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, namely obtains the protective membrane for NFC surface.
Comparative example 1:
A kind of protective membrane; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 1 μm; black ink layer thickness is 2 μm; substrate layer is 4.5 μm of PET; adhesive layer thickness is 3 μm, and release layer thickness is 25 μm.(methyl) acrylic copolymer SK-1852100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2010.03 part, isocyanate crosslinking L-450.5 part.Dumb light oil reservoir adopts organic matting agent 9000, and black ink layer adopts ink NB300794, and in this black ink layer, XCP-1002 content is 0.5%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-1852 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, i.e. obtained protective membrane.
Comparative example 2:
A kind of protective membrane; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 1 μm; black ink layer thickness is 2 μm; substrate layer is 4.5 μm of PET; adhesive layer thickness is 4 μm, and release layer thickness is 38 μm.(methyl) acrylic copolymer SK-1852100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2010.5 part, isocyanate crosslinking L-450.03 part.Dumb light oil reservoir adopts organic matting agent 9000, and black ink layer adopts ink NB300794, and in this black ink layer, XCP-1002 content is 0.5%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-1852 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, i.e. obtained protective membrane.
Comparative example 3:
A kind of protective membrane; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 0.5 μm; black ink layer thickness is 3 μm; substrate layer is 4.5 μm of PET; adhesive layer thickness is 1 μm, and release layer thickness is 50 μm.(methyl) acrylic copolymer SK-1852100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent 0.5 part, isocyanate crosslinking 0.5 part.Dumb light oil reservoir adopts organic matting agent film forming to form, and in the ink that black ink layer adopts, XCP-1002 content is 0.5%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-1852 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, i.e. obtained protective membrane.
Comparative example 4:
A kind of protective membrane; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 1 μm; black ink layer thickness is 1 μm; substrate layer is 4.5 μm of PET; adhesive layer thickness is 3 μm, and release layer thickness is 25 μm.(methyl) acrylic copolymer SK-2094100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2010.3 part, isocyanate crosslinking L-450.3 part.The organic matting agent 9000 that dumb light oil reservoir adopts, black ink layer adopts ink NB300794, and in this black ink layer, XCP-1002 content is 0.5%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-2094 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, i.e. obtained protective membrane.
Comparative example 5:
A kind of protective membrane; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; aluminum contained compound in black ink layer; black ink layer thickness is 4 μm; substrate layer is 4.5 μm of PET, and adhesive layer thickness is 4 μm, and release layer thickness is 38 μm.(methyl) acrylic copolymer SK-2094100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2010.4 part, isocyanate crosslinking L-450.3 part.The organic matting agent 9000 that dumb light oil reservoir adopts, black ink layer adopts ink NB300794, and in this black ink layer, XCP-1002 content is 0.5%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-2094 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, i.e. obtained protective membrane.
Comparative example 6:
A kind of protective membrane; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; the opposite side of PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming; aluminum contained compound in black ink layer; dumb paint layer thickness is 2 μm; black ink layer thickness is 2 μm; substrate layer is 4.5 μm of PET; adhesive layer thickness is 5 μm, and release layer thickness is 38 μm.(methyl) acrylic copolymer SK-2094100 part in the Adhesive composition that above-mentioned adhesive layer adopts, carbodiimide cross-linking agent XR-2010.3 part, isocyanate crosslinking L-450.4 part.The organic matting agent 9000 that dumb light oil reservoir adopts, black ink layer adopts ink NB300794, and in this black ink layer, XCP-1002 content is 0.5%.
The preparation process of this protective membrane is as follows: by anilox roll equipment, and in the one side of PET base material layer, even spread black ink, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains black ink layer.Then by anilox roll equipment, even spread organic matting agent in above-mentioned obtained black ink layer, enters oven for drying, and oven temperature is not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), and rolling, obtains dumb light oil reservoir.
Above-mentioned SK-2094 is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then on 25 μm of release films, this Adhesive composition is coated with edge of a knife coating apparatus; enter oven for drying, oven temperature not higher than 100 DEG C (being preferably 80 ~ 100 DEG C), then attaches with the side of the non-inking of above-mentioned PET base material layer; rolling, i.e. obtained protective membrane.
Carry out performance test to the protective membrane of preparation in embodiment 1 ~ 8, comparative example 1 ~ 6 below, test result is in table 1, and process is as follows:
1, dumb light oil reservoir anti-fingerprint, anti-to scratch, solvent resistance test:
Dumb light oil reservoir press...withes one's finger, nail scrapes and contain spirituous cleansing tissue wiping 10 times, observe dumb light oil reservoir outward appearance, the meaning that in table 1, related symbol represents is as follows:
Zero: without fingerprint, without scratch, fall without dumb paint pull-up
×: there is fingerprint, have scratch, dumb paint pull-up falls.
2, dumb light oil reservoir and ink layer adherence
By CB-10 (Ningbo Soken Chemical Co., Ltd.'s production) adhesive tape viscous oil layer of ink 5 times, whether observe ink layer from PET disengaging, the meaning that in table 1, related symbol represents is as follows:
Zero: do not depart from completely
×: depart from completely.
3, glossiness 60 °
Protective membrane is cut into 50mm × 30mm, dumb paint aspect alignment light source, uses glossiness tester (SDR60G) test.
4, the adherence of adhesive layer
Protective membrane is to strip off again after sticky, and repeats 5 times, whether observe sizing agent from PET disengaging, the meaning that in table 1, related symbol represents is as follows:
Zero: do not depart from completely
△: part departs from
×: depart from completely
5, clinging power
Use coating blade equipment, be that the polyethylene terephthalate film of 4.5 microns is coated with silicone adhesive agent composition, thermofixation 60s at 80 DEG C at thickness, form the protective membrane that thickness is 3-5 μm.This protective membrane is cut into the wide adhesive tape of 25mm; be placed on sheet glass; and with the roll extrusion 3 times back and forth of the rubber roll shaft of 2Kg; after 20min; pass through tester for elongation; with speed tractive under the angle of 180 ° of 300mm/min, record the power (g/25mm) from sheet glass needed for stripping tape.
6, contaminative
Protective membrane is cut into 25mm wide, is placed on SUS, and with the roll extrusion 3 times back and forth of the rubber roll shaft of 2Kg, after placing 40 DEG C of baking oven 24h, then be placed to room temperature, divest protective membrane with hand, to observe on SUS whether cull, the meaning that in table 1, related symbol represents is as follows:
Zero: have cull
×: without cull
7, full light transmission rate
Protective membrane is cut into 50mm × 50mm, is clamped by protective membrane sample holder, dumb paint aspect alignment light source.Use haze meter HM-150, the long test of light source of all-wave, tests the full light transmission rate under full wavelength light.
8, surface resistivity
Use surface resistivity instrument (SIMCOST-4 test surfaces resistance, recording surface resistance value
9, glue-line gel fraction
Dried adhesive layer is weighed to obtain A1,280 order filtering nets weigh to obtain B1, sizing agent sample soaked in solvent 24h will be weighed to obtain, use 280 order filter screen filtration, above-mentioned filtering net is put into 108 DEG C of dry 2h taking-ups of baking oven and weigh to obtain B2, gel fraction=(B2-B1)/A1 × 100%
Claims (7)
1. the protective membrane for NFC surface; the release film layer comprising PET base material layer, be located at the adhesive layer of this PET base material layer side and be fitted on this adhesive layer; it is characterized in that; the opposite side of described PET base material layer is provided with black ink layer; this black ink layer is coated with dumb light oil reservoir; this dumb light oil reservoir is formed by organic matting agent film forming, and containing the aluminum compound of 0.5 ~ 0.8% in described black ink layer, the median size of this aluminum compound is 0.5 ~ 0.2mm.
2., as claimed in claim 1 for the protective membrane on NFC surface, it is characterized in that, described organic matting agent is that organic thermoset with 0.1 ~ 0.5 μm of granule gathers MU resin.
3., as claimed in claim 1 for the protective membrane on NFC surface, it is characterized in that, described aluminum compound is XCP-1002.
4., as claimed in claim 1 for the protective membrane on NFC surface, it is characterized in that, the thickness of described substrate layer is 4.5 ~ 6 μm, and the thickness of described dumb light oil reservoir is 1 ~ 2 μm, and the thickness of described black ink layer is 2 ~ 3 μm.
5. as claimed in claim 1 for the protective membrane on NFC surface; it is characterized in that; Adhesive composition used in described adhesive layer is made up of following component and mass fraction thereof: (methyl) acrylic copolymer 100 parts; carbodiimide cross-linking agent 0.05 ~ 3 part; isocyanate crosslinking 0.05 ~ 3 part; the gel fraction of this Adhesive composition is 80% ~ 100%; the weight-average molecular weight of described (methyl) acrylic copolymer is 100; 000g/mol ~ 1; 500,00g/mol.
6., as claimed in claim 5 for the protective membrane on NFC surface, it is characterized in that, described carbodiimide cross-linking agent is 0.3 ~ 2 part, and described isocyanate crosslinking is 0.1 ~ 0.5 part.
7. a preparation method for the protective membrane for NFC surface as described in the claims, is characterized in that comprising the following steps:
(1) even spread black ink in the one side of PET base material layer, 80 ~ 100 DEG C of oven dry, rolling, obtained black ink layer;
(2) even spread organic matting agent in obtained black ink layer, 80 ~ 100 DEG C of oven dry, rolling, obtained dumb light oil reservoir;
(3) by above-mentioned mass fraction, (methyl) acrylic copolymer is mixed with linking agent; stir 10 ~ 30min; obtained Adhesive composition; then this Adhesive composition is coated with on release film equably; 80 ~ 100 DEG C of oven dry; the another side of itself and PET base material layer is attached, rolling, i.e. the obtained required protective membrane for NFC surface.
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| CN106805982A (en) * | 2017-03-09 | 2017-06-09 | 公安部物证鉴定中心 | A kind of gel-type impression of the hand extracts film and its application |
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| WO2020258699A1 (en) * | 2019-06-28 | 2020-12-30 | 浙江欧仁新材料有限公司 | Anti-fingerprint tape for wireless charger |
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| CN112126362A (en) * | 2020-09-25 | 2020-12-25 | 广东东立新材料科技股份有限公司 | Shading material functional film and preparation method and application thereof |
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