CN211616893U

CN211616893U - Ultraviolet-resistant TPU film

Info

Publication number: CN211616893U
Application number: CN201922368947.9U
Authority: CN
Inventors: 李峰; 程雷; 李霞
Original assignee: Zhejiang Kaiyang New Material Co ltd
Current assignee: Zhejiang Kaiyang New Material Co ltd; Zhejiang Kaiying New Materials Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-02
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to an anti-ultraviolet TPU film, which comprises a TPU film main body; the TPU film main body comprises an ultraviolet-resistant layer, an elastic layer, a waterproof layer and a wear-resistant coating which are sequentially arranged; the ultraviolet-resistant layer, the elastic layer, the waterproof layer and the wear-resistant coating are prepared by heating, pressurizing and compounding; the waterproof layer is a polyurethane film; the wear-resistant coating is made of polyurethane resin; the anti-ultraviolet layer, the elastic layer, the waterproof layer and the wear-resistant coating are compounded by heating and pressurizing; the integral structural strength and firmness of the ultraviolet-resistant TPU film are improved, and the use safety is ensured.

Description

Ultraviolet-resistant TPU film

Technical Field

The utility model belongs to the technical field of the film, concretely relates to ultraviolet resistance TPU film.

Background

TPU is thermoplastic polyurethane elastomer rubber, is a high molecular material, is mainly divided into polyester type and polyether type, has wide hardness range, wear resistance, oil resistance, transparency and good elasticity, is widely applied to various fields of daily necessities, sports goods, toys, decorative materials, clothes, shoes and the like, and is a film prepared by special processes of calendaring, tape casting, film blowing, coating and the like on the basis of TPU granules.

The existing TPU film generally has poor ultraviolet-proof function, is difficult to realize water resistance while resisting ultraviolet rays, has poor elasticity and wear resistance, and is easy to be stretched and damaged after being used for a long time.

In view of the above technical problems, improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome and to have waterproof, wearability, elasticity and the relatively poor defect of ultraviolet protection function among the above-mentioned prior art, provide an ultraviolet resistance TPU film.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an ultraviolet resistant TPU film comprises a TPU film main body; the TPU film main body comprises an ultraviolet-resistant layer, an elastic layer, a waterproof layer and a wear-resistant coating which are sequentially arranged; the ultraviolet-resistant layer, the elastic layer, the waterproof layer and the wear-resistant coating are prepared by heating, pressurizing and compounding; the waterproof layer is a polyurethane film; the wear-resistant coating is made of polyurethane resin.

As an optimal mode of the utility model, the thickness on anti ultraviolet layer is 0.5 ~ 1.0 mm.

As an optimized mode of the utility model, the thickness of waterproof layer is 0.1 ~ 0.2 mm.

As an optimal mode of the utility model, the thickness of wear-resistant coating is 0.05 ~ 0.1 mm.

As an optimized mode of the utility model, the thickness of the elastic layer is 0.1-0.5 mm.

As a preferable mode of the present invention, the ultraviolet-resistant layer includes a base film, an ultraviolet absorbent layer, and a nylon resin layer; the inner surface of the base film is printed with a composite ink layer, and the composite ink layer is coated with an adhesive layer; an ultraviolet absorbent layer is bonded on the adhesive layer, the ultraviolet absorbent layer is compounded with the base film through the adhesive layer, and a nylon resin layer is bonded below the base film.

As a preferable mode of the present invention, the ultraviolet absorber layer is made of epoxy resin.

As a preferred mode of the present invention, a plurality of ultraviolet-proof aluminum powder particles are disposed on the ultraviolet absorbent layer.

As an optimized mode of the utility model, there are many elastic fiber in the elastic layer, many elastic fiber all are the step form setting.

As an optimal mode of the present invention, the plurality of elastic fibers are arranged at equal intervals.

The utility model has the advantages that:

1. the anti-ultraviolet layer, the elastic layer, the waterproof layer and the wear-resistant coating are compounded by heating and pressurizing; the integral structural strength and firmness of the ultraviolet-resistant TPU film are improved, and the use safety is ensured;

2. the utility model discloses a TPU film sets up the elastic layer, has many elastic fiber in the elastic layer, and many elastic fiber all are step form setting, and many elastic fiber equidistance are laid. The TPU film main body has very good elasticity, can be stretched and extended within a certain range and cannot be damaged;

3. the upper surface of the TPU film main body 1 of the utility model is formed with diamond-shaped bulges which are mutually matched with the ultraviolet-proof aluminum powder particles in the ultraviolet-proof layer, thus improving the light reflection effect of the TPU film;

4. the ultraviolet-resistant TPU film has the advantages of simple process, low cost, strong functionality, good ultraviolet-resistant capability, good protection effect on products and production cost reduction;

5. the utility model has the advantages that the arranged waterproof layer can prevent water from entering the TPU film, and the wear-resistant coating protects the waterproof layer from being damaged and losing the waterproof performance;

drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of embodiment A-A of the present invention;

reference numbers in the figures: the anti-ultraviolet coating comprises a TPU film main body 1, an anti-ultraviolet layer 2, an elastic layer 3, a waterproof layer 4, a wear-resistant coating 5, diamond-shaped protrusions 11, a base film 20, a nylon resin layer 21, a composite ink layer 23, an adhesive layer 24, an ultraviolet absorbent layer 25, ultraviolet-proof aluminum powder particles 26 and elastic fibers 30.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Example (b): as shown in fig. 1-2, an ultraviolet resistant TPU film includes a TPU film body 1; the TPU film main body 1 comprises an ultraviolet-resistant layer 2, an elastic layer 3, a waterproof layer 4 and a wear-resistant coating 5 which are sequentially arranged; the ultraviolet-resistant layer 2, the elastic layer 3, the waterproof layer 4 and the wear-resistant coating 5 are prepared by heating, pressurizing and compounding; the anti-ultraviolet layer, the elastic layer, the waterproof layer and the wear-resistant coating are compounded by heating and pressurizing; the integral structural strength and firmness of the ultraviolet-resistant TPU film are improved, and the use safety is ensured; the utility model discloses a waterproof layer that sets up can prevent that water from getting into in the TPU film, and wear-resisting coating protection waterproof layer prevents that the waterproof layer from being destroyed and losing waterproof performance.

The upper surface of the TPU film main body 1 of the utility model is formed with the diamond-shaped bulge 11 which is mutually matched with the ultraviolet-proof aluminum powder particles in the ultraviolet-proof layer, thus improving the light reflection effect of the TPU film; the height of the bottom of the diamond-shaped bulge 11 is 0.06 mm-0.09 mm.

The waterproof layer 4 is a polyurethane film; the thickness of the waterproof layer 4 is 0.1-0.2 mm; in this embodiment, the thickness of the waterproof layer 4 is 0.1mm, and the polyurethane film has good water resistance and can prevent water from entering from the outside.

The wear-resistant coating 5 is polyurethane resin; the thickness of the wear-resistant coating 5 is 0.05-0.1 mm. In this embodiment, the thickness of the wear-resistant coating 5 is 0.05; the polyurethane resin has the characteristics of high strength, tear resistance, wear resistance and the like, so that the surface of the fabric has wear resistance, and the waterproof layer is prevented from being scratched.

Wherein the thickness of the elastic layer 3 is 0.1-0.5 mm; in this embodiment, the thickness of the elastic layer 3 is 0.5mm, a plurality of elastic fibers 30 are arranged in the elastic layer 3, the plurality of elastic fibers 30 are all arranged in a step shape, and the plurality of elastic fibers 30 are arranged at equal intervals; so that the TPU film main body has very good elasticity, can be stretched and extended in a certain range and cannot be damaged.

Specifically, the thickness of the ultraviolet-resistant layer 2 is 0.5-1.0 mm; in this embodiment, the thickness of the ultraviolet-resistant layer 2 is 0.5 mm; the ultraviolet-resistant layer 2 includes a base film 20, an ultraviolet absorber layer 25, and a nylon resin layer 21; a composite ink layer 23 is printed on the inner surface of the base film 20, and an adhesive layer 24 is coated on the composite ink layer 23; an ultraviolet absorbent layer 25 is bonded on the adhesive layer 24, the ultraviolet absorbent layer 25 is compounded with the base film 20 through the adhesive layer 24, and a nylon resin layer 21 is bonded below the base film 20; specifically, the ultraviolet absorber layer 25 is epoxy resin; a plurality of ultraviolet-proof aluminum powder particles 26 are arranged on the ultraviolet absorbent layer 25; the ultraviolet-resistant TPU film has the advantages of simple process, low cost, strong functionality, good ultraviolet-resistant capability, good protection effect on products and production cost reduction;

the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the TPU film comprises a TPU film body 1, an ultraviolet-resistant layer 2, an elastic layer 3, a waterproof layer 4, an abrasion-resistant coating 5, diamond-shaped protrusions 11, a base film 20, a nylon resin layer 21, a composite ink layer 23, an adhesive layer 24, an ultraviolet absorbent layer 25, ultraviolet-resistant aluminum powder particles 26, elastic fibers 30 and other terms, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. An ultraviolet resistant TPU film, characterized in that; comprises a TPU film main body (1); the TPU film main body (1) comprises an ultraviolet-resistant layer (2), an elastic layer (3), a waterproof layer (4) and a wear-resistant coating (5) which are sequentially arranged; the ultraviolet-resistant layer (2), the elastic layer (3), the waterproof layer (4) and the wear-resistant coating (5) are prepared by heating, pressurizing and compounding; the waterproof layer (4) is a polyurethane film; the wear-resistant coating (5) is made of polyurethane resin.

2. The UV resistant TPU film of claim 1, wherein: the thickness of the ultraviolet resistant layer (2) is 0.5-1.0 mm.

3. The UV resistant TPU film of claim 1, wherein: the thickness of the waterproof layer (4) is 0.1-0.2 mm.

4. The UV resistant TPU film of claim 1, wherein: the thickness of the wear-resistant coating (5) is 0.05-0.1 mm.

5. The UV resistant TPU film of claim 1, wherein: the thickness of the elastic layer (3) is 0.1-0.5 mm.

6. The ultraviolet resistant TPU film of claim 1 or 2 wherein: the ultraviolet-resistant layer (2) comprises a base film (20), an ultraviolet absorber layer (25) and a nylon resin layer (21); a composite ink layer (23) is printed on the inner surface of the base film (20), and an adhesive layer (24) is coated on the composite ink layer (23); an ultraviolet absorbent layer (25) is bonded on the adhesive layer (24), the ultraviolet absorbent layer (25) is compounded with the base film (20) through the adhesive layer (24), and a nylon resin layer (21) is bonded under the base film (20).

7. The UV resistant TPU film of claim 6, wherein: the ultraviolet absorber layer (25) is epoxy resin.

8. The UV resistant TPU film of claim 7, wherein: a plurality of ultraviolet-proof aluminum powder particles (26) are arranged on the ultraviolet absorbent layer (25).

9. The UV resistant TPU film of claim 1 or 5, wherein: a plurality of elastic fibers (30) are arranged in the elastic layer (3), and the elastic fibers (30) are all arranged in a step shape.

10. The uv resistant TPU film of claim 9 wherein: the elastic fibers (30) are arranged at equal intervals.