CN216942199U

CN216942199U - Multilayer TPU laminating film

Info

Publication number: CN216942199U
Application number: CN202122983826.2U
Authority: CN
Inventors: 赖小洋
Original assignee: Xiongxian Zhenyuan Plastics Co ltd
Current assignee: Xiongxian Zhenyuan Plastics Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-12
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a multilayer TPU (thermoplastic polyurethane) laminated film which comprises a TPU base layer, wherein a moisture-proof layer is arranged on one side of the base layer, a color film layer is arranged on one side of the moisture-proof layer, a fireproof layer is arranged on one side of the color film layer, and a wear-resistant layer is arranged on one side of the fireproof layer. The moisture-proof layer has good water resistance, has a very obvious effect on blocking water vapor, can play a good moisture-proof effect, ensures that the TPU film is not easy to blister, prolongs the service life, has the effects of water resistance, corrosion resistance, moisture resistance, mildew resistance and the like, has the characteristics of heat preservation, heat insulation, non-combustibility, non-toxicity, good chemical stability and the like, has excellent wear resistance and corrosion resistance, is converted from a liquid state to a solid state by irradiation of a UV lamp after the UV coating is sprayed, further achieves surface hardening, plays a role in scraping resistance and scratching resistance, can prolong the service life of the TPU film, and improves the practicability of the TPU film.

Description

Multilayer TPU laminating film

Technical Field

The utility model relates to the field of TPU films, in particular to a multilayer TPU laminated film.

Background

TPU, namely thermoplastic polyurethane, thermoplastic TPU elastomer, is prepared by extruding and mixing MDI containing NCO functional group, POLYOL containing OH functional group and 1.4BG, and is widely used for processing modes such as injection, extrusion, calendering and dissolving into solution type resin and the like because of good elasticity, good physical property and good mechanical strength, is a plastic material frequently used by plastic processing manufacturers, and the prepared product covers the range of industrial application and civil necessities. In recent years, the use of thermoplastic PU elastomers has been increasing continuously due to the continuous development of new products, and new industrial opportunities with low cost and high added value are created for plastic processing manufacturers. TPU's are becoming increasingly popular because of their superior performance and environmental protection concepts. In places where PVC is used, TPU can become a substitute for PVC. However, the advantages of TPU, PVC, are very attractive. The TPU not only has excellent characteristics of high tension, high tensile force, toughness and aging resistance, but also is a mature environment-friendly material. TPUs have been widely used in: shoe materials, ready-made clothes, inflatable toys, aquatic and underwater sports equipment, medical equipment, fitness equipment, automobile seat materials, umbrellas, leather suitcases, leather bags and the like.

Most of the existing TPU laminated films are single in structure, poor in performance, short in service life and low in practicability.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides a multilayer TPU laminated film.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multilayer TPU laminating film, includes the TPU basic unit, one side of basic unit is provided with the dampproof course, one side of dampproof course is provided with various rete, one side of various rete is provided with the flame retardant coating, one side of flame retardant coating is provided with the wearing layer.

Preferably, all form through the resin adhesive bonding between TPU basic unit, dampproof course, various rete, flame retardant coating and the wearing layer, and dampproof course, various rete, flame retardant coating and wearing layer symmetry set up in the both sides of TPU basic unit.

Preferably, the moisture-proof layer comprises a polyurethane layer, and one side of the polyurethane layer is provided with an acrylate layer.

Preferably, the fire-proof layer comprises a perchloroethylene layer, and one side of the perchloroethylene layer is provided with a perlite layer.

Preferably, the wear-resistant layer comprises a polyethylene material layer, and one side of the polyethylene material layer is provided with a UV coating.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model ensures that the front side and the back side of the TPU film can be used by completely and symmetrically arranging the two sides, the use is more convenient, the polyurethane layer and the acrylate layer in the moisture-proof layer have good water resistance, have obvious effect on blocking water vapor and can play a good moisture-proof effect, so that the TPU film is not easy to bubble and the service life is prolonged, the perchloroethylene layer in the fireproof layer has the effects of water resistance, corrosion resistance, moisture resistance, mildew resistance and the like, the perlite layer has a honeycomb foam structure, the expanded perlite has extremely light weight and has the characteristics of heat preservation, heat insulation, non-combustion, non-toxicity, good chemical stability and the like, the polyethylene material layer in the wear-resistant layer has excellent wear resistance and corrosion resistance, after the UV coating is sprayed, the UV coating is irradiated by a UV lamp to convert the TPU film from liquid state to solid state, so as to further achieve the surface hardening, the scratch resistance and scratch resistance, and the service life of the TPU film can be enhanced, the practicability of the TPU film is improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of a cross-section of a moisture barrier of the present invention;

FIG. 3 is a schematic structural view of a cross-section of a fire barrier layer according to the present invention;

fig. 4 is a schematic structural view of a cross section of the wear-resistant layer of the present invention.

In the figure: 1. a TPU base layer; 2. a moisture barrier; 201. a polyurethane layer; 202. an acrylate layer; 3. a color film layer; 4. a fire-resistant layer; 401. a perchloroethylene layer; 402. perlite layers; 5. a wear layer; 501. a layer of polyethylene material; 502. and (5) UV coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-4, a multilayer TPU laminating film, including TPU base layer 1, one side of base layer 1 is provided with dampproof course 2, one side of dampproof course 2 is provided with various rete 3, various rete 3 can be customized according to the user demand, make this TPU film application range wider, one side of various rete 3 is provided with flame retardant coating 4, one side of flame retardant coating 4 is provided with wearing layer 5, TPU base layer 1, dampproof course 2, various rete 3, all form through the resin adhesive bonding between flame retardant coating 4 and the wearing layer 5, and dampproof course 2,

various rete

3, 5 symmetries of flame retardant coating 4 and wearing layer set up in TPU base layer 1's both sides, the setting of the complete symmetry of each other in both sides, make this TPU film positive and negative all usable, it is more convenient to use.

In one aspect of this embodiment, the polyurethane layer 201 and the acrylate layer 202 in the moisture barrier layer 2 have good water resistance, and have a very obvious effect on blocking water vapor, and can play a good moisture-proof effect, so that the TPU film is not easy to foam, and the service life is prolonged.

In one aspect of this embodiment, the perchloroethylene layer 401 in the fire-proof layer 4 has the effects of water proofing, corrosion prevention, moisture prevention, mildew prevention and the like, the perlite is a vitreous rock, and can be expanded to about 20 times through crushing, screening, preheating and instant roasting, the perlite layer 402 forms expanded perlite with a honeycomb foam-like structure, and the expanded perlite has the characteristics of extremely light weight, heat preservation, heat insulation, non-combustion, non-toxicity, good chemical stability and the like.

In one aspect of this embodiment, the polyethylene material layer 501 in the wear-resistant layer 5 has excellent wear resistance and corrosion resistance, and after the UV coating 502 is sprayed, the liquid state is transformed into a solid state by irradiation of a UV lamp, so as to achieve surface hardening, thereby achieving the effects of scratch resistance and scratch resistance, and enhancing the service life of the TPU film.

The working principle of the utility model is as follows: the multilayer TPU laminated film is completely and symmetrically arranged on two sides, so that the TPU film can be used in both the front side and the back side, the use is more convenient, the polyurethane layer 201 and the acrylate layer 202 in the moisture-proof layer 2 have good water resistance, and have obvious effect on blocking water vapor, so that the TPU film has good moisture-proof effect, is not easy to bubble, and has prolonged service life, the perchloroethylene layer 401 in the fireproof layer 4 has the effects of water resistance, corrosion resistance, moisture resistance, mildew resistance and the like, the perlite layer 402 has a honeycomb foam structure, the expanded perlite has extremely light weight, and has the characteristics of heat preservation, heat insulation, non-combustion, non-toxicity, good chemical stability and the like, the polyethylene material layer 501 in the wear-resistant layer 5 has excellent wear resistance and corrosion resistance, after the UV coating 502 is sprayed, and is irradiated by a UV lamp to convert the UV coating from liquid state to solid state, so that the surface hardening is achieved, and the scratch-resistant effect is achieved, the service life of the TPU film can be enhanced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multilayer TPU laminating film, includes TPU basic unit (1), its characterized in that: one side of basic unit (1) is provided with dampproof course (2), one side of dampproof course (2) is provided with various rete (3), one side of various rete (3) is provided with flame retardant coating (4), one side of flame retardant coating (4) is provided with wearing layer (5).

2. The multilayer TPU conformable film of claim 1, wherein: all form through the resin adhesive bonding between TPU basic unit (1), dampproof course (2), various rete (3), flame retardant coating (4) and wearing layer (5), and dampproof course (2), various rete (3), flame retardant coating (4) and wearing layer (5) symmetry set up in the both sides of TPU basic unit (1).

3. The multilayer TPU conformable film of claim 1, wherein: the moisture-proof layer (2) comprises a polyurethane layer (201), and an acrylate layer (202) is arranged on one side of the polyurethane layer (201).

4. The multilayer TPU conformable film of claim 1, wherein: the fireproof layer (4) comprises a perchloroethylene layer (401), and one side of the perchloroethylene layer (401) is provided with a perlite layer (402).

5. The multilayer TPU conformable film of claim 1, wherein: the wear-resistant layer (5) comprises a polyethylene material layer (501), and one side of the polyethylene material layer (501) is provided with a UV coating (502).