阅读说明：本技术 一种车用贴膜及其制备方法 (Vehicle film and preparation method thereof ) 是由 潘建军 于 2019-11-28 设计创作，主要内容包括：本发明涉及一种车用贴膜及其制备方法,包括由外至内以下几层构成：磨砂膜、第一黏合层、印刷膜、第二黏合层、石墨片、第三黏合层、第一PET透明膜、第四黏合层、PET蓝色薄膜、硅胶层、第二PET透明膜和不干胶手撕标签；制备方法包括以下步骤：a、涂布好第一黏合层的磨砂膜与涂布好第二黏合层的印刷膜复合好并收卷；b、将石墨片模切成型,排去废边；c、用多工位复合排废机与b步骤的石墨片复合；d、复上涂布好第三黏合层的第一PET透明膜和涂布好第四黏合层的PET蓝色薄膜,PET蓝色薄膜的反面涂布硅胶层；e、在PET蓝色薄膜复上第二PET透明膜；f、将第e步骤的半成品进行模切成型；贴上不干胶手撕标签。本发明提高了贴膜的抗拉性能、美观性和散热性能。(The invention relates to a film for a vehicle and a preparation method thereof, wherein the film comprises the following layers from outside to inside: the adhesive hand-tearing label comprises a frosted film, a first adhesive layer, a printing film, a second adhesive layer, a graphite sheet, a third adhesive layer, a first PET transparent film, a fourth adhesive layer, a PET blue film, a silica gel layer, a second PET transparent film and an adhesive hand-tearing label; the preparation method comprises the following steps: a. the frosted film coated with the first adhesive layer and the printing film coated with the second adhesive layer are combined well and rolled; b. die-cutting and molding the graphite flake, and removing waste edges; c. compounding the graphite flakes in the step b by using a multi-station compound waste discharge machine; d. coating a first PET transparent film coated with a third adhesive layer and a PET blue film coated with a fourth adhesive layer, and coating a silica gel layer on the reverse side of the PET blue film; e. coating a second PET transparent film on the PET blue film; f. die cutting and forming the semi-finished product in the step e; and sticking a self-adhesive hand-tearing label. The invention improves the tensile property, the aesthetic property and the heat dissipation performance of the film.)

1. The utility model provides a pad pasting for vehicle which characterized in that: comprises the following layers from outside to inside: a frosted film (1), a first adhesive layer (2), a printing film (3), a second adhesive layer (4), a graphite sheet (5), a third adhesive layer (6), a first PET transparent film (7), a fourth adhesive layer (8), a PET blue film (9), a silica gel layer (10), a second PET transparent film (11) and a self-adhesive hand-tearing label (12), dull polish membrane (1) and printing film (3) bind through first adhesion layer (2), printing film (3) bind through second adhesion layer (4) with graphite flake (5), graphite flake (5) bind through third adhesion layer (6) with first PET transparent film (7), first PET transparent film (7) bind through fourth adhesion layer (8) with blue film (9) of PET, blue film (9) of PET bind through silica gel layer (10) with second PET transparent film (11), non-setting adhesive hand tears label (12) and binds with second PET transparent film (11).

2. The film for vehicle according to claim 1, wherein: the first adhesive layer (2), the second adhesive layer (4), the third adhesive layer (6) and the fourth adhesive layer (8) are all acrylic pressure-sensitive adhesives.

3. The film for vehicle according to claim 1, wherein: the frosted film (1) is a PVC transparent flash point frosted film, and the thickness is 0.08 +/-0.01 mm.

4. The film for vehicle according to claim 1, wherein: the printing film (3) is a PET pattern printing film, and the thickness is 0.006 +/-0.001 mm.

5. The film for vehicle according to claim 1, wherein: the graphite sheet (5) is an artificially synthesized graphite sheet and has a thickness of 0.01-0.03 mm.

6. The film for vehicle according to claim 1, wherein: the thickness of the first PET transparent film (7) is 0.004 +/-0.001 mm, and the thickness of the second PET transparent film (11) is 0.05 +/-0.005 mm.

7. The film for vehicle according to claim 1, wherein: the thickness of first bonding layer (2) is 0.02 +/-0.005 mm, the thickness of second bonding layer (4) is 0.004 +/-0.001 mm, the thickness of third bonding layer (6) is 0.004 +/-0.001 mm, and the thickness of fourth bonding layer (8) is 0.004 +/-0.001 mm.

8. The film for vehicle according to claim 1, wherein: the thickness of the PET blue film (9) is 0.05 +/-0.005 mm.

9. The film for vehicle according to claim 1, wherein: the thickness of the silica gel layer (10) is 0.01 +/-0.02 mm.

10. A method for producing the film for vehicle use according to claim 1, characterized in that: the method comprises the following steps:

a. the frosted film (1) coated with the first adhesive layer (2), the second adhesive layer (4) and the printing film (3) are compounded and wound by a multi-station compound waste discharge machine;

b. die-cutting and molding the graphite sheet (5) according to the size by using a die-cutting machine;

c. compounding the semi-finished product which is compounded and rolled in the step a with the graphite flake (5) in the step b by using a multi-station compounding waste discharge machine;

d. c, coating a first PET transparent film (7) coated with a third adhesive layer (6) and a PET blue film (9) coated with a fourth adhesive layer (8) on the back surface of the semi-finished material compounded in the step c, and coating a silica gel layer (10) on the back surface of the PET blue film (9);

e. d, coating a second PET transparent film (11) on the PET blue film (9) by using a multi-station compounding waste discharge machine;

f. die-cutting the semi-finished product of the e step by a die-cutting machine to form a finished product, wherein the appearance size of the graphite sheet (5) is smaller than the sizes of other conforming materials when the finished product is die-cut;

g. and (3) sticking the pressure-sensitive adhesive hand-tearing label (12) on the product subjected to die cutting and forming to obtain the product.

Technical Field

The invention relates to a film for a vehicle and a preparation method thereof.

Background

In recent years, with the development of a film for a vehicle, more and more people select a film for a vehicle to protect a vehicle body.

The graphite heat conducting and radiating material is a preferred material for solving the heat conducting and radiating technology of modern electronic products due to the unique low density (relative to metals), high heat conducting and radiating coefficient and low thermal resistance. The graphite radiating fins can conduct heat uniformly along the horizontal direction and the vertical direction, the laminated structure can better adapt to the surface of any product, and the heat conduction and radiation effects can be effectively achieved from the horizontal direction and the vertical direction.

If the two are combined, the heat resistance of the vehicle can be improved.

Disclosure of Invention

The invention aims to provide a film for a vehicle and a preparation method thereof, which improve the tensile resistance and the high temperature resistance of the film by adding a plurality of layers of PET transparent films; through increasing the printing film, can print colour and pattern on the printing film and improve pleasing to the eye degree, through increasing the blue film of PET, can improve the flame retardant nature of pad pasting, improve the heat conduction heat dispersion of pad pasting through adding the graphite flake.

In order to achieve the purpose, the technical scheme of the invention is as follows: a film for a vehicle comprises the following layers from outside to inside: grind sand film, first adhesion layer, printing film, second adhesion layer, graphite flake, third adhesion layer, first PET transparent film, fourth adhesion layer, the blue film of PET, silica gel layer, the transparent film of second PET and non-setting adhesive hand and tear the label, grind sand film and print film and bind through first adhesion layer, print film and graphite flake bind through second adhesion layer, and the graphite flake binds through third adhesion layer with first PET transparent film, and first PET transparent film binds through fourth adhesion layer with the blue film of PET, and the blue film of PET binds through the silica gel layer with the transparent film of second PET, and the non-setting adhesive hand tears the label and binds with the transparent film of second PET.

Preferably, the first, second, third and fourth adhesive layers are acrylic pressure sensitive adhesives.

Preferably, the frosted film is a PVC transparent flash point frosted film, and the thickness is 0.08 +/-0.01 mm.

Preferably, the printing film is a PET pattern printing film with the thickness of 0.006 +/-0.001 mm.

Preferably, the graphite sheet is a synthetic graphite sheet with a thickness of 0.01-0.03 mm.

Preferably, the thickness of the first PET transparent film is 0.004 + -0.001 mm, and the thickness of the second PET transparent film is 0.05 + -0.005 mm.

Preferably, the thickness of the first adhesive layer is 0.02 ± 0.005mm, the thickness of the second adhesive layer is 0.004 ± 0.001mm, the thickness of the third adhesive layer is 0.004 ± 0.001mm, and the thickness of the fourth adhesive layer is 0.004 ± 0.001 mm.

Preferably, the thickness of the PET blue film is 0.05 +/-0.005 mm.

Preferably, the thickness of the silica gel layer is 0.01 +/-0.02 mm.

In order to produce the adhesive film, the preparation method of the adhesive film is improved, and the preparation method of the adhesive film for the vehicle and the preparation method thereof comprises the following steps:

a. compounding the frosted film coated with the first adhesive layer, the second adhesive layer and the printing film by a multi-station compounding waste discharge machine and rolling;

b. die-cutting and molding the graphite flake according to the size by using a die-cutting machine, and removing waste edges;

c. compounding the semi-finished product which is compounded and rolled in the step a with the graphite flake in the step b by using a multi-station compounding waste discharge machine;

d. c, coating the first PET transparent film coated with the third adhesive layer and the PET blue film coated with the fourth adhesive layer on the back surface of the semi-finished product material compounded in the step c, and coating a silica gel layer on the back surface of the PET blue film;

e. d, coating a second PET transparent film on the PET blue film by using a multi-station compounding waste discharge machine;

f. die-cutting the semi-finished product of the e step by using a die-cutting machine to form a finished product, wherein the appearance size of the graphite sheet is smaller than the sizes of other conforming materials when the finished product is die-cut;

g. and (3) sticking the pressure-sensitive adhesive hand-tearing label on the product subjected to die cutting and forming to obtain the product.

The anti-stretching performance and the high-temperature resistance of the adhesive film prepared by the preparation method are improved by adding the plurality of layers of PET transparent films; through increasing the printing film, can print colour and pattern on the printing film and improve pleasing to the eye degree, through increasing the blue film of PET, can improve the anti fire resistance of pad pasting, the graphite flake can increase the heat conduction and the heat dispersion of pad pasting.

Drawings

FIG. 1 is a schematic view of the laminated structure of the patch of the present invention.

Detailed Description

The invention is further illustrated by the following specific examples, without restricting its scope.