CN214294883U

CN214294883U - High-gloss multilayer composite film

Info

Publication number: CN214294883U
Application number: CN202023120608.8U
Authority: CN
Inventors: 李应煌; 刘维新
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-28
Anticipated expiration: 2030-12-22

Abstract

The utility model provides a high gloss multilayer complex film, it is specific, the complex film including ultraviolet hardening material layer, PMMA layer and ABS layer, through crowded composite connection altogether between PMMA layer and the ABS layer, the PMMA layer is the intermediate level, the ultraviolet hardening material layer is the coating at the complex film protective layer on PMMA layer surface. The composite film also comprises a decorative layer or a functional layer arranged between the ultraviolet hardening material layer and the PMMA layer; the decorative layer or the functional layer is coated on the upper surface of the PMMA layer. The composite film sequentially comprises an ABS layer, a PMMA layer, a decorative layer and an ultraviolet hardening material layer from bottom to top or sequentially comprises an ABS layer, a PMMA layer, a functional layer and an ultraviolet hardening material layer. The utility model discloses the substrate membrane adopts crowded composite connection altogether, compound substrate membrane is provided with decorative layer or functional layer under protective layer, the protective layer, and it has solvent-free residue, complex film peculiar smell-free, high gloss characteristic, prevents scraping wear-resisting function, surperficial pleasing to the eye, uses a lot of advantages such as scene extensively.

Description

High-gloss multilayer composite film

Technical Field

The utility model relates to a high gloss multilayer complex film with surface hardening layer, concretely relates to be applied to automobile decoration prevent scraping wear-resisting high gloss multilayer complex film.

Background

The composite film for automobile decoration at present is mainly obtained by compounding films of different materials together in a mode of viscose adhesion, and in the mode, because an adhesive is used between layers, the problem of residual solvent exists, the film has peculiar smell, is not environment-friendly, and has relatively complex manufacturing process, and time and labor are wasted. The viscose composite film can also generate the glue segregation condition among films made of different materials after being used for a long time, so that the film composite hollowing and foaming phenomena are caused. The surface of the existing adhesive composite film does not have the functions of scratch resistance and wear resistance, and the surface of the film can be scratched or worn after long-time use. Moreover, the existing adhesive composite film is applied to an automotive interior film, and the surface decoration process of the adhesive composite film is mainly water transfer printing process for coloring and finally is finished after piano baking varnish spraying. As is well known, the high hardness of the piano baking varnish can meet the hardness requirement of the surface of the composite film, but the piano baking varnish has poor elasticity and ductility, and fine cracks often appear when the composite film is hardened in use, so that the aesthetic feeling of the automotive interior is affected.

Disclosure of Invention

In order to solve the problem, the utility model provides a high gloss multilayer composite film bonds crowded integrated into one piece altogether through the heat seal between its two kinds of substrate films, and the coating has the sclerosis protective layer on the complex film surface.

Specifically, complex film including ultraviolet hardening material layer, PMMA layer and ABS layer, through crowded composite connection altogether between PMMA layer and the ABS layer, the PMMA layer is the intermediate level, the ultraviolet hardening material layer is the coating at the complex film protective layer on PMMA layer surface.

Furthermore, the composite film also comprises a decorative layer 4 or a functional layer 5 arranged between the ultraviolet hardening material layer 3 and the PMMA layer 1; the decorative layer 4 or the functional layer 5 is coated on the upper surface of the PMMA layer 1. Therefore, the composite film sequentially comprises an ABS layer 2, a PMMA layer 1, a decorative layer 4 and an ultraviolet hardening material layer 3 from bottom to top or sequentially comprises the ABS layer 2, the PMMA layer 1, a functional layer 5 and the ultraviolet hardening material layer 3.

Preferably, the thickness of the PMMA layer 1 is less than the thickness of the ABS layer 2.

Specifically, the ultraviolet curing material layer 3 is a photosensitive curing resin layer.

Specifically, the ultraviolet curing material layer 3 is an ultraviolet curing UV glue layer.

Specifically, the decorative layer 4 is an electroplating coating or a thermal transfer coating.

Specifically, the functional layer 5 is a heat insulation coating or a radiation protection coating.

The utility model relates to a high gloss multilayer complex film its profitable effect is. 1) The PMMA layer and the ABS layer are connected in a co-extrusion compounding manner, the problem of residual solvent is avoided, the composite film is free from peculiar smell, and the product is environment-friendly. 2) The upper surface of complex film PMMA layer is provided with the ultraviolet ray sclerosis material layer, has high gloss characteristic and stronger prevent scraping wear-resisting function. 3) The composite film is provided with the decorative layer or the functional layer, so that the application scene of the composite film is increased, the attractiveness of the outer surface of the composite film is improved, and the composite film has more additional functions.

Drawings

FIG. 1 is a schematic view of a first embodiment of a high gloss multilayer composite film according to the present invention

FIG. 2 is a schematic view of a second embodiment of the high gloss multilayer composite film of the present invention

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Example one

Fig. 1 shows, the complex film of the utility model is including PMMA layer 1, ABS layer 2 and ultraviolet ray hardening material layer 3, through crowded composite connection altogether between PMMA layer 1 and the ABS layer 2, PMMA layer 1 is the intermediate level. In order to obtain better mirror surface feeling and glossiness, the ultraviolet hardening material layer 3 is a composite film protective layer coated on the surface of the PMMA layer 1, so as to improve the characteristics of scratch resistance, wear resistance and high tensile property of the composite film surface.

The PMMA is a high molecular compound polymerized by methyl methacrylate, has better transparency, chemical stability, mechanical property and weather resistance, is easy to dye and process. ABS is a terpolymer of three monomers of acrylonitrile (A), butadiene (B) and styrene (S), and the relative contents of the three monomers can be changed at will to prepare various resins. ABS has the common performance of three components, and has the material characteristics of toughness, hardness, rigidity and the like.

The PMMA intermediate layer 1 and the ABS bottom layer 2 are formed by coextrusion composite connection, no adhesive is needed between the PMMA intermediate layer 1 and the ABS bottom layer, and the glossiness of the obtained composite film is more than 70% in a mirror surface mode by utilizing the characteristics of the PMMA layer and the ABS layer. And a protective layer is coated on the PMMA layer 1, and the protective layer is an ultraviolet light curing hardening material layer which can enhance the scratch and tensile properties of the composite film.

Example two

For expanding the utility model relates to a high gloss multilayer composite film's application scene improves the pleasing to the eye degree of its surface, makes it have more additional functions. The complex film still is provided with decorative layer or functional layer on the basis of embodiment one.

Specifically, as shown in fig. 2, the decorative layer 4 or the functional layer 5 is disposed between the ultraviolet hardening material layer 3 and the PMMA layer 1, and the composite film sequentially comprises, from bottom to top, the ABS layer 2, the PMMA layer 1, the decorative layer 4, and the ultraviolet hardening material layer 3, or sequentially comprises the ABS layer 2, the PMMA layer 1, the functional layer 5, and the ultraviolet hardening material layer 3. The coating process of the decorative layer 4 or the functional layer 5 of the composite film is arranged before the coating process of the ultraviolet hardening material layer 3, and after the co-extrusion compounding process of the PMMA layer 1 and the ABS layer 2 is finished, the PMMA layer and the ABS layer are fully connected and cured. The decorative layer 4 or the functional layer 5 is coated on the PMMA layer 1

More specifically, the decorative layer 4 is an electroplating coating or a thermal transfer coating.

And (3) after the co-extrusion composite film of the PMMA layer 1 and the ABS layer 2 of the electroplating coating is formed and cured, carrying out an electroplating process, and electroplating a metal coating on the upper surface of the co-extrusion composite film PMMA layer 1 serving as a base material, wherein the metal coating can be selected from the colors of gold electroplating, silver electroplating, powder electroplating, red electroplating, blue electroplating, green electroplating, tungsten steel electroplating, wiredrawing silver electroplating and the like. The purpose of electroplating is to change the color of the surface of the PMMA layer 1 of the composite film, increase the hardness of the upper surface of the PMMA layer 1 and improve the smoothness and the mirror surface glossiness of the surface of the composite film.

And (3) after the thermal transfer coating, namely the PMMA layer 1 and the ABS layer 2 co-extrusion composite film is molded and cured, entering a thermal transfer process, and printing a thermal transfer pattern on the upper surface of the co-extrusion composite film PMMA layer 1 serving as a base material. The heat transfer printing coating can improve the aesthetic degree of the outer surface of the composite film and increase the application scenes of the composite film.

More specifically, the functional layer 5 is a heat insulation coating or a radiation protection coating.

And (3) after the thermal insulation coating, namely the PMMA layer 1 and the ABS layer 2 co-extrusion composite film is formed and cured, entering a thermal insulation coating spraying process, and carrying out a metal particle magnetron sputtering process on the upper surface of the co-extrusion composite film PMMA layer 1 serving as a base material. Specifically, metal particles of an alloy material such as nickel, silver, titanium, gold, etc. are uniformly sputtered on the upper surface of the composite film PMMA layer 1 at a high speed and a high force by using the electric field and magnetic field principles. The thermal insulation coating relies on photo-thermal reflection, and the heat of infrared ray is obstructed to high efficiency in order to reach the thermal-insulated effect of complex film.

And (3) forming and curing the radiation-proof coating, namely the PMMA layer 1 and the ABS layer 2 co-extruded composite film, then entering a spraying process of the radiation-proof coating, and carrying out a rare metal particle magnetron sputtering process on the upper surface of the co-extruded composite film PMMA layer 1 serving as a base material. Specifically, nanometer particles of rare metals such as lithium, titanium and radium are sprayed on the upper surface of the composite film PMMA layer 1 through magnetron sputtering to form an electromagnetic shielding layer (a conductive layer). The radiation-proof coating adopts an absorption and conversion principle, and harmful electromagnetic waves are absorbed and converted into heat energy to be emitted.

As shown in fig. 2, in the first and second embodiments of the high-gloss multilayer composite film of the present invention, the thickness of the PMMA layer 1 is smaller than that of the ABS layer 2.

More specifically, in practical application, an ornament can be embedded between the PMMA layer 1 and the ABS layer 2, and the ornament is clamped between the PMMA layer 1 and the ABS layer 2 through co-extrusion composite connection, so that a better decorative effect is achieved. The ornament can be a colorful luminous substance such as gold foil, glitter powder, fluorescent powder and the like.

In the first and second embodiments of the high gloss multilayer composite film of the present invention, as shown in fig. 1 and 2, the uv curable material layer 3 is a photosensitive curable resin layer.

After the photosensitive hardening resin layer, namely the PMMA layer 1 and the ABS layer 2 are formed and cured by co-extrusion composite film or the decorative layer 4 or the functional layer 5 is coated on the co-extrusion composite film, the liquid photosensitive resin is evenly coated on the upper surface of the PMMA layer 1 or the decorative layer 4 or the functional layer 5 by a coating scraper, the liquid photosensitive resin is irradiated by ultraviolet light and causes polymerization reaction under the action of the liquid photosensitive resin in a photosensitizer, and the liquid photosensitive resin is quickly cured and hardened. Because the liquid photosensitive resin has better affinity with the plastic high molecular polymer and the metal particles, the connection stability between the photosensitive hardening resin layer and the PMMA layer 1, the decoration layer 4 or the functional layer 5 is stronger.

In the first and second embodiments of the high gloss multilayer composite film of the present invention, as shown in fig. 1 and 2, the UV-curable material layer 3 is an UV-curable adhesive layer.

After an ultraviolet curing UV glue layer, namely a PMMA layer 1 and an ABS layer 2 co-extrusion composite film is formed and cured or a decorative layer 4 or a functional layer 5 is coated on the co-extrusion composite film, UV glue is sprayed on the upper surface of the PMMA layer 1 or the decorative layer 4 or the functional layer 5 of the co-extrusion composite film, a photoinitiator in the UV glue absorbs ultraviolet light under the irradiation of ultraviolet light to generate active free radicals or cations, and monomer polymerization and crosslinking chemical reaction are initiated, so that the UV glue is converted from a liquid state into a solid state within several seconds and is hardened. Because the UV glue, the plastic high molecular polymer and the metal particles have better affinity and bonding force, the connection stability between the UV curing glue layer and the PMMA layer 1, the decoration layer 4 or the functional layer 5 is stronger.

The utility model relates to a hardness is higher after the photosensitive hardening resin or the UV glue photocuring of the above-mentioned ultraviolet hardening material layer 3 of high gloss multilayer composite film, and in use ultraviolet hardening material layer 3 has stronger anti-scraping wear-resisting function. The photosensitive hardening resin or the UV glue has certain elasticity and extensibility after being photo-cured, and the ultraviolet hardening material layer 3 can be bent and cut randomly along with the co-extrusion composite layer of the PMMA layer 1 and the ABS layer 2.

The above is a detailed introduction of the high-gloss multilayer composite film provided by the embodiments of the present invention, and to the general technical personnel in the field, there are changes on the specific implementation and application scope according to the idea of the embodiments of the present invention. In summary, the content of the present specification should not be understood as a limitation of the present invention, and any changes made according to the design concept of the present invention are all within the protection scope of the present invention.

Claims

1. A high gloss multilayer composite film characterized by: the composite film comprises a PMMA layer (1), an ABS layer (2) and an ultraviolet hardening material layer (3);

the PMMA layer (1) and the ABS layer (2) are connected in a co-extrusion compounding manner, and the PMMA layer (1) is an intermediate layer;

the ultraviolet hardening material layer (3) is a composite film protective layer coated on the upper surface of the PMMA layer (1).

2. A high gloss multilayer composite film according to claim 1, wherein said composite film further comprises a decorative layer (4) or a functional layer (5) disposed between the uv-curable material layer (3) and the PMMA layer (1); the decorative layer (4) or the functional layer (5) is coated on the upper surface of the PMMA layer (1).

3. A high gloss multilayer composite film according to claim 1 or 2, characterized in that: the thickness of the PMMA layer (1) is smaller than that of the ABS layer (2).

4. A high gloss multilayer composite film according to claim 1 or 2, characterized in that: the ultraviolet hardening material layer (3) is a photosensitive hardening resin layer.

5. A high gloss multilayer composite film according to claim 1 or 2, characterized in that: the ultraviolet hardening material layer (3) is an ultraviolet curing UV adhesive layer.

6. A high gloss multilayer composite film according to claim 2, wherein said decorative layer (4) is an electroplated coating or a thermal transfer coating.

7. A high gloss multilayer composite film according to claim 2, wherein said functional layer (5) is a thermal barrier coating or a radiation protective coating.