CN213472465U

CN213472465U - High-transparency flexible ultrathin polycarbonate film

Info

Publication number: CN213472465U
Application number: CN202021308735.8U
Authority: CN
Inventors: 钱拥军
Original assignee: Nantong Huapu Optoelectronic Materials Co Ltd
Current assignee: Nantong Huapu Optoelectronic Materials Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-06-18
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a high transparent flexible ultra-thin polycarbonate film, including first substrate layer and second substrate layer, first substrate layer covers in the top of second substrate layer, is equipped with the hollow layer between first substrate layer and the second substrate layer, and the surface of second substrate layer towards the hollow layer is equipped with many first slots; the utility model has the advantages that: novel structure, flexibility and easy bending without destroying the original internal structure, good conductivity, high transparency and thinner than the film in the prior art.

Description

High-transparency flexible ultrathin polycarbonate film

Technical Field

The utility model belongs to the technical field of the film, concretely relates to high transparent flexible ultra-thin type polycarbonate film.

Background

Polycarbonate (PC) polycarbonate is a heat-shrinkable engineering plastic with excellent comprehensive properties, has high impact resistance, high toughness, high heat resistance, weather resistance and excellent electrical insulation, and is widely applied to the fields of automobile industry, instruments, electronic appliances and the like. Because of the structural particularity of the polycarbonate, the polycarbonate is an amorphous, odorless, tasteless, nontoxic and transparent thermoplastic polymer, is the only plastic variety with good transparency, has better mechanical strength, heat resistance, ultraviolet radiation resistance and electric resistance comprehensive performance, high impact strength, small creep property, stable product size, easy reinforcement, no toxicity, sanitation and coloring. For the conventional method for preparing the transparent conductive film, mainly magnetron sputtering and the like, in the process of preparing the transparent conductive film, because the organic flexible substrate has poor high temperature resistance, low glass transition temperature, is easily damaged by ion bombardment and high temperature, and easily sacrifices the transparency and thickness of the film due to pursuit of conductivity, there is a great need to develop a flexible and ultrathin high-transmittance film.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned limitation, provide a novel structure, flexible is flexible and does not destroy former inner structure, and electric conductivity is good, and the transparency is high, than the thin polycarbonate film of prior art film thickness.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a high transparent flexible ultra-thin type polycarbonate film, includes first substrate layer and second substrate layer, and first substrate layer covers in the top of second substrate layer, is equipped with empty core layer between first substrate layer and the second substrate layer, and the surface of second substrate layer towards empty core layer is equipped with many first grooves.

Preferably, the surface of the first substrate layer, which faces away from the hollow layer, is provided with a plurality of second grooves, and the outer parts of the second grooves are covered with an anti-reflection film layer.

Preferably, the hollow layer is filled with the graphene nanomaterial.

Preferably, the first groove and the second groove have a straight shape, a V shape, or a U shape.

Preferably, the first substrate layer and the second substrate layer are made of polycarbonate resin and have a thickness of 0.02mm to 0.08 mm.

Preferably, the antireflection film layer is made of a polyethylene resin or a polyvinyl chloride resin, and has a thickness of 0.02mm to 0.04 mm.

Preferably, the first grooves and the second grooves are staggered on different planes.

To sum up, the utility model has the advantages of it is following: novel structure, the slot of different shapes and quantity has been set up on different substrates, the degree of bending and the softness degree of film under different conditions have been satisfied, and flexible and do not destroy former inner structure, airtight hollow layer's setting makes film conductivity good with adding the wire material, the application on antireflection coating makes the film transparency high, under the thickness of only two substrate layers and hollow layer, minimum thickness still is frivolous than the highest standard of prior art film thickness, satisfied can also realize the characteristics of flexible and high permeability under the frivolous condition of film, economical and practical wide range, the cost is lower, safety and reliability, be favorable to production on a large scale.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is an enlarged view of part A of the present invention;

reference numbers in the figures: 1-a first substrate layer, 2-a second substrate layer, 3-a hollow layer, 4-a first groove, 5-a second groove and 6-an anti-reflection film layer.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

As shown in fig. 1 and 2, the utility model provides a high transparent flexible ultra-thin polycarbonate film, which comprises a first substrate layer 1 and a second substrate layer 2, wherein the first substrate layer 1 covers the second substrate layer 2, the first substrate layer 1 and the second substrate layer 2 are made of polycarbonate resin, the thickness is 0.02 mm-0.08 mm, a hollow layer 3 is arranged between the first substrate layer 1 and the second substrate layer 2, the two ends of the hollow layer 3 are sealed, and the edges of the first substrate layer 1 and the second substrate layer 2 are connected and precisely attached, namely the hollow layer 3 is a sealed hollow structure, the surface of the second substrate layer 2 facing the hollow layer 3 is provided with a plurality of first grooves 4, when the film is bent, the first grooves 4 are opened so that the film is bent, and can be bent to a larger angle, a plurality of second grooves 5 can also be arranged on the surface of the first substrate layer 1 deviating from the hollow layer 3, when the film is bent, the first groove 4 and the second groove 5 can be opened simultaneously, so that the film is convenient to bend, the internal stress on the surface of the film is reduced, and the damage of a fine structure inside the film is avoided from influencing other performances such as conductivity, and when the second groove 5 is arranged, the outer part of the second groove 5 must be covered with the anti-reflection film layer 6 to prevent dust from entering when the second groove 5 is opened when the film is bent.

The hollow layer 3 is filled with graphene nano materials which can be graphene metal or non-metal materials, so that the conductivity of the film is improved.

The first grooves 4 and the second grooves 5 are in a straight line shape, a V shape or a U shape, corresponding groove shapes can be set according to the requirement of the bending degree of the film, various groove shapes can also be combined to be set, the first grooves 4 and the second grooves 5 are mutually staggered on different planes to which the first grooves 4 and the second grooves belong, the situation that the first grooves 4 and the second grooves 5 are completely and synchronously opened when the film is bent to be suitable for resisting the damage of the film, and the first grooves 4 and the second grooves 5 are partially opened when the film is not bent in a staggered mode.

The anti-reflection film layer 6 is made of polyethylene resin or polyvinyl chloride resin, the thickness of the anti-reflection film layer is 0.02-0.04 mm, the thickness of the first substrate layer 1 and the thickness of the second substrate layer 2 are 0.02-0.08 mm, the minimum thickness of the anti-reflection film layer is less than 0.25mm, the thickness requirement of a polycarbonate film is met, the thickness requirement is smaller than a normal thickness value, the whole film is lighter and thinner, and meanwhile, the softness and the transparency of the whole film are guaranteed with the help of the first groove 4, the second groove 5 and the anti-reflection film layer 6.

Claims

1. A high-transparency flexible ultrathin polycarbonate film is characterized in that: the novel solar cell panel comprises a first substrate layer (1) and a second substrate layer (2), wherein the first substrate layer (1) covers the top of the second substrate layer (2), a hollow layer (3) is arranged between the first substrate layer (1) and the second substrate layer (2), and a plurality of first grooves (4) are formed in the surface, facing the hollow layer (3), of the second substrate layer (2).

2. The high transparent flexible ultra-thin polycarbonate film of claim 1, wherein: the surface that first substrate layer (1) deviates from hollow layer (3) is equipped with many second slot (5), and the outside of second slot (5) covers has antireflection coating (6).

3. The high transparent flexible ultra-thin polycarbonate film of claim 1, wherein: the hollow layer (3) is filled with graphene nano materials.

4. The high transparent flexible ultra-thin polycarbonate film of claim 2, wherein: the first groove (4) and the second groove (5) are in a straight shape, a V shape or a U shape.

5. The high transparent flexible ultra-thin polycarbonate film of claim 1, wherein: the first substrate layer (1) and the second substrate layer (2) are made of polycarbonate resin and have a thickness of 0.02-0.08 mm.

6. The high transparent flexible ultra-thin polycarbonate film of claim 2, wherein: the antireflection film layer (6) is made of polyethylene resin or polyvinyl chloride resin, and the thickness of the antireflection film layer is 0.02-0.04 mm.

7. The high transparent flexible ultra-thin polycarbonate film of claim 2, wherein: the first grooves (4) and the second grooves (5) are staggered on different planes.