CN218749777U

CN218749777U - RPET sheet

Info

Publication number: CN218749777U
Application number: CN202222857667.6U
Authority: CN
Inventors: 徐松虎; 束洪坤
Original assignee: Yangzhou Dibang Plastic Technology Co ltd
Current assignee: Yangzhou Dibang Plastic Technology Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-28
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a RPET sheet, including surface protection layer, first waterproof layer, first stretch-proofing layer, antibiotic layer, corrosion resistant layer, antistatic layer, polyester substrate and enhancement layer, the paste of polyester substrate up end has antistatic layer, antistatic layer up end is pasted and is had corrosion resistant layer, corrosion resistant layer up end is pasted and is had antibiotic layer, antibiotic layer up end is pasted and is had first stretch-proofing layer, first stretch-proofing layer up end is pasted and is had first waterproof layer, first waterproof layer up end is pasted and is had surface protection layer, original PET diaphragm stretching resistance and the not good enough problem of corrosion resistance have been solved to this design, the utility model discloses rational in infrastructure, stretch-proofing ability and corrosion resistance are good, make PET diaphragm life longer.

Description

RPET sheet

Technical Field

The utility model relates to a RPET sheet belongs to PET sheet technical field.

Background

The PET sheet is a thermoplastic environment-friendly plastic product, is odorless and tasteless after combustion, does not generate toxic gas, is high in grease resistance and chemical property, and toughness and rigidity, is widely applied to blister packaging in industries such as electronics, hardware, stationery, cosmetics, gifts and the like, and can also be used for manufacturing windows, folding boxes and rubber cylinders.

Chinese patent No. CN 207875057U proposes a PET film, which is provided with a plurality of protruding rubber strips on the outer surface of the protective layer and the photosensitive color-changing layer for increasing the contact area and friction and prolonging the service life of the PET film, but the PET film has poor stretch resistance and corrosion resistance, so that the PET film is easy to break in the actual use process, and an RPET sheet is urgently needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a RPET sheet to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, stretch-proofing ability and corrosion resistance are good, make PET diaphragm life longer.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a RPET sheet, includes surface protection layer, first waterproof layer, first stretch-proofing layer, antibiotic layer, corrosion resistant layer, antistatic layer, polyester substrate and enhancement layer, the terminal surface is pasted and is had second stretch-proofing layer under the polyester substrate, the terminal surface is pasted and is had the second waterproof layer under the second stretch-proofing layer, the terminal surface is pasted and is had the enhancement layer under the second waterproof layer, polyester substrate up end is pasted and is had the antistatic layer, the antistatic layer up end is pasted and is had corrosion resistant layer, corrosion resistant layer up end is pasted and is had antibiotic layer, antibiotic layer up end is pasted and is had first stretch-proofing layer, first stretch-proofing layer up end is pasted and is had first waterproof layer, first waterproof layer up end is pasted and is had surface protection layer.

Furthermore, the surface protection layer is made of a nylon film, scale marks are symmetrically sprayed on the front side and the rear side of the upper end face of the surface protection layer, the antibacterial layer is made of an antibacterial BOPP film, and the areas of the surface protection layer and the antibacterial layer are the same as the area of the polyester substrate.

Further, the first waterproof layer is made of a PE film, the second waterproof layer is made of a waterproof film, and the areas of the first waterproof layer and the second waterproof layer are the same as the area of the polyester substrate.

Further, the first stretch-resistant layer is made of a biaxially oriented polypropylene film, the second stretch-resistant layer is made of an EVA film, and the areas of the first stretch-resistant layer and the second stretch-resistant layer are the same as the area of the polyester substrate.

Further, the antistatic layer is made by antistatic film, corrosion-resistant layer is made by corrosion-resistant membrane, antistatic layer and corrosion-resistant layer area all are the same with the polyester substrate area.

Furthermore, the reinforcing layer is made of a polycarbonate film, the polyester substrate is made of a PET film, and the area of the reinforcing layer is the same as that of the polyester substrate.

The utility model has the advantages that: the utility model discloses a RPET sheet, because of the utility model discloses added first waterproof layer, first stretch-proofing layer, corrosion resistant layer and enhancement layer, through pasting first waterproof layer and second waterproof layer, make the waterproof nature and the leakproofness of polyester substrate better, through pasting first stretch-proofing layer and second stretch-proofing layer, make the stretch-proofing ability and the intensity of polyester substrate better, and the enhancement layer can further improve terminal surface strength under the polyester substrate, avoid the polyester substrate the fracture condition to appear easily in the use, through pasting the antistatic layer, avoid the polyester substrate to produce static easily in the use, and antibiotic layer avoids the polyester substrate to breed the bacterium easily in the use, and corrosion resistant layer can improve the corrosion resistant of polyester substrate.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of an RPET sheet according to the present invention;

fig. 2 is a front sectional view of an RPET sheet according to the present invention;

fig. 3 is a right side sectional view of an RPET sheet according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

in the figure: 1-a surface protection layer, 2-a first waterproof layer, 3-a first stretch-resistant layer, 4-an antibacterial layer, 5-an anti-corrosion layer, 6-an antistatic layer, 7-a polyester substrate, 8-a second stretch-resistant layer, 9-a second waterproof layer and 10-a reinforcing layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a RPET sheet, including surface protection layer 1, first waterproof layer 2, first stretch-proofing layer 3, antibiotic layer 4, corrosion-resistant layer 5, antistatic layer 6, polyester substrate 7 and enhancement layer 10, the terminal surface is pasted under the polyester substrate 7 has second stretch-proofing layer 8, the terminal surface is pasted under the second stretch-proofing layer 8 has second waterproof layer 9, the terminal surface is pasted under the second waterproof layer 9 has enhancement layer 10, the terminal surface is pasted on polyester substrate 7 up end has antistatic layer 6, the terminal surface is pasted on antistatic layer 6 has corrosion-

resistant layer

5, 5 up end is pasted on corrosion-resistant layer 4, antibiotic layer 4 up end is pasted has first stretch-proofing layer 3, 3 up end is pasted on first stretch-proofing layer has first waterproof layer 2, the terminal surface protection layer 1 is pasted on first waterproof layer 2 up end, this design has solved the not good enough problem of original PET stretch-proofing membrane stretching ability and corrosion resistance.

The surface protection layer 1 is made of a nylon film, scale marks are symmetrically sprayed on the front side and the rear side of the upper end face of the surface protection layer 1, the antibacterial layer 4 is made of an antibacterial BOPP film, the areas of the surface protection layer 1 and the antibacterial layer 4 are the same as the area of the polyester substrate 7, the surface protection layer 1 made of the nylon film has good tensile strength and tensile strength, and meanwhile has good heat resistance, wear resistance and flexibility, so that the upper end face of the first waterproof layer 2 can be protected, the scale marks facilitate users to longitudinally and equidistantly cut the polyester substrate 7 in the later period, the antibacterial layer 4 made of the antibacterial BOPP film not only has antibacterial and bactericidal capabilities, but also is high in tensile strength, and bacteria are prevented from being easily bred in the using process of the polyester substrate 7.

The first waterproof layer 2 is made of a PE film, the second waterproof layer 9 is made of a waterproof film, the areas of the first waterproof layer 2 and the second waterproof layer 9 are the same as the area of the polyester substrate 7, the first waterproof layer 2 made of a PE film has moisture resistance and small moisture permeability, and the second waterproof layer 9 made of a waterproof film has oil resistance and water resistance, so that the waterproofness and the sealability of the polyester substrate 7 are increased.

First tensile layer 3 is made by biaxial stretching polypropylene film, second tensile layer 8 is made by the EVA film, first tensile layer 3 and second tensile layer 8 area all are the same with 7 areas of polyester substrate, first tensile layer 3 made by biaxial stretching polypropylene film has good humidity resistance and mechanical strength, and second tensile layer 8 made by the EVA film has the stretching resistance reinforce, and biodegradable can not cause the injury to the environment during abandonment or burning, with this stretching resistance and the intensity that increases polyester substrate 7.

The antistatic layer 6 is made of an antistatic film, the corrosion-resistant layer 5 is made of a corrosion-resistant film, the areas of the antistatic layer 6 and the corrosion-resistant layer 5 are the same as the area of the polyester substrate 7, the antistatic layer 6 made of the antistatic film has better antistatic performance, the polyester substrate 7 is prevented from easily generating static electricity in the using process, the corrosion-resistant layer 5 made of the corrosion-resistant film has better corrosion resistance, so that the corrosion resistance of the polyester substrate 7 is improved, the reinforcing layer 10 is made of a polycarbonate film, the polyester substrate 7 is made of a PET film, the area of the reinforcing layer 10 is the same as the area of the polyester substrate 7, the reinforcing layer 10 made of the polycarbonate film has ultraviolet light resistance, good toughness, high strength and difficult tearing and damage, so that the strength of the lower end face of the polyester substrate 7 is further improved, and the polyester substrate 7 made of the PET film has excellent heat resistance and cold resistance.

As an embodiment of the present invention: through pasting first waterproof layer 2 and second waterproof layer 9, make the waterproof nature and the leakproofness of polyester substrate 7 better, and surface protection layer 1 can protect first waterproof layer 2 up end, through pasting first stretch-proofing layer 3 and second stretch-proofing layer 8, make the stretch-proofing ability and the intensity of polyester substrate 7 better, and terminal surface intensity under enhancement layer 10 can further improve polyester substrate 7, avoid polyester substrate 7 the fracture condition to appear easily in the use, through pasting antistatic layer 6, avoid polyester substrate 7 to produce static easily in the use, and antibiotic layer 4 avoids polyester substrate 7 to breed the bacterium easily in the use, and corrosion-resistant layer 5 can improve the corrosion resistance of polyester substrate 7.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a RPET sheet, includes surface protection layer, first waterproof layer, first stretch-proofing layer, antibiotic layer, corrosion-resistant layer, antistatic layer, polyester substrate and enhancement layer, its characterized in that: the terminal surface is pasted and is had the tensile layer of second under the polyester substrate, the terminal surface is pasted and is had the second waterproof layer under the tensile layer of second, the terminal surface is pasted and is had the enhancement layer under the second waterproof layer, the polyester substrate up end is pasted and is had the antistatic layer, the antistatic layer up end is pasted and is had corrosion-resistant layer, corrosion-resistant layer up end is pasted and is had antibiotic layer, antibiotic layer up end is pasted and is had first stretch-proofing layer, first stretch-proofing layer up end is pasted and is had first waterproof layer, first waterproof layer up end is pasted and is had surface protection layer.

2. The RPET sheet of claim 1, wherein: the surface protection layer is made of a nylon film, scale marks are symmetrically sprayed on the front side and the rear side of the upper end face of the surface protection layer, and the antibacterial layer is made of an antibacterial BOPP film.

3. The RPET sheet of claim 1, wherein: the first waterproof layer is made of a PE film, and the second waterproof layer is made of a waterproof film.

4. The RPET sheet of claim 1, wherein: the first stretch-resistant layer is made of a biaxially oriented polypropylene film, and the second stretch-resistant layer is made of an EVA film.

5. The RPET sheet of claim 1, wherein: the antistatic layer is made of an antistatic film, and the corrosion-resistant layer is made of a corrosion-resistant film.

6. The RPET sheet as recited in claim 1, wherein: the reinforcing layer is made of a polycarbonate film, and the polyester substrate is made of a PET film.