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High-transparency composite thin film capable of adsorbing ultraviolet rays and preparation method thereof

A composite film and ultraviolet technology, which is applied in the direction of radiation-absorbing coatings, coatings, anti-corrosion coatings, etc., can solve the problems of reducing the service life of the base material, the impact of service life, and the degradation of the base material, achieving ultra-long weather resistance and improving properties , the effect of ingredient science

Inactive Publication Date: 2015-01-28
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the non-pigmented fluoropolymer emulsion is highly transparent after film formation, not only highly transparent to visible light, but also has a high transmittance in the ultraviolet wavelength range (200-400nm), which is easy to cause degradation and damage to the substrate material , which reduces the application life of the protected substrate material
At the same time, although the ultraviolet absorption of the film material itself is very low, it also has an impact on its own service life.

Method used

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  • High-transparency composite thin film capable of adsorbing ultraviolet rays and preparation method thereof
  • High-transparency composite thin film capable of adsorbing ultraviolet rays and preparation method thereof
  • High-transparency composite thin film capable of adsorbing ultraviolet rays and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0025] This embodiment discloses an aqueous dispersion of fluoropolymers, comprising the following components by weight ratio: 86.00 g of chlorotrifluoroethylene, 142.00 g of vinyl acetate, 47.00 g of vinyl tertiary carbonate (VeoVa10), 47.00 g of acrylic acid Butyl ester 47.00g, acrylic acid 4.00g, ionic emulsifier sodium lauryl sulfate 1.20g, nonionic emulsifier nonylphenol polyoxyethylene ether 5.62g and styrylphenol polyoxyethylene ether 5.22g, Potassium persulfate 1.67g, deionized water 380.00g.

[0026] The preparation method of the aqueous fluoropolymer dispersion in this example is as follows: In a 1L autoclave, add 1.20 g of sodium lauryl sulfate, 5.62 g of nonylphenol polyoxyethylene ether, styrylphenol polyoxyethylene 5.22g of ether, 380.00g of deionized water, 142.00g of vinyl acetate, 47.00g of vinyl tert-carbonate (VeoVa10), 47.00g of butyl acrylate, and 4.00g of acrylic acid were added in sequence, vacuumized and filled with nitrogen, after repeated 3 times , a...

Embodiment 2

[0029] This embodiment discloses a high-transparency composite film that can absorb ultraviolet rays and is used in the field of thin film packaging of electronic devices. It is formed by spin coating raw materials, and the raw materials include: fluoropolymer aqueous dispersion, 2,2,4- Trimethyl-1,3-pentanediol monoisobutyrate (alcohol ester dodeca) and zinc acetate dihydrate. The mass ratio of each component in the raw material is shown in Table 1, wherein the aqueous fluoropolymer dispersion is the aqueous fluoropolymer dispersion prepared in Example 1.

[0030] Specifically, the preparation steps of the ultraviolet-absorbable and highly transparent composite film are as follows: put 10 g of the aqueous fluoropolymer dispersion prepared in Example 1 into a 50 ml beaker, add 0.25 g of alcohol ester twelve, disperse for 30 minutes, add 1.15 g of zinc acetate dihydrate was dispersed by magnetic stirring for 30 minutes to prepare a zinc salt-containing fluoropolymer composite a...

Embodiment 3

[0032] This embodiment discloses a high-transparency composite film that can absorb ultraviolet rays and is used in the fields of thin film packaging of electronic devices. The aqueous fluoropolymer dispersion prepared in Example 1.

[0033] The preparation steps of the ultraviolet-absorbing and highly transparent composite film in this embodiment are the same as those in Embodiment 2. The transmission and absorption spectra of the prepared ultraviolet-absorbing and highly transparent composite film are shown in figure 1 (a 2 curve) and figure 2 (b 2 curve).

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Abstract

The invention provides a high-transparency composite thin film capable of adsorbing ultraviolet rays and a preparation method thereof. The high-transparency composite thin film capable of adsorbing the ultraviolet rays is formed by spin-coating a raw material; and the raw material comprises fluorine polymer aqueous dispersion, 2,2,4-trimethyl-1,3-pentanediol butyrate (alcohol ester 12) of which the weight is 1.5 percent to 5.0 percent of the weight of the fluorine polymer aqueous dispersion and zinc acetate dehydrate of which the weight is 5.0 percent to 60.0 percent of the weight of the fluorine polymer aqueous dispersion. The composite thin film disclosed by the invention also has excellent ultraviolet ray absorption performance when having high transparency. The invention also discloses the preparation method of the high-transparency composite thin film capable of absorbing the ultraviolet rays. The method is simple and easy to operate and can implement industrial production of the composite thin film. The product provided by the invention has wide application prospect in the field of building materials, fabrics, woodware, plastics, device packaging, photovoltaic cell backing plates and the like.

Description

technical field [0001] The invention relates to composite film technology, in particular to a highly transparent composite film capable of absorbing ultraviolet rays and a preparation method thereof. Background technique [0002] Fluoropolymer aqueous dispersion is an environmentally friendly high-performance polymer emulsion, by adding various additives, pigment fillers and an appropriate amount of film-forming aids, such as 2,2,4-trimethyl-1,3-pentane Glycol monoisobutyrate (alcohol ester twelve), forms a film material at an appropriate temperature, has excellent weather resistance, heat resistance, low surface energy, and good stain resistance, because the above properties are better than acrylic Resin, epoxy resin, polyester resin and other coating materials are widely used in the coating and protection of the surface of building materials, fabrics, wood, plastics, electronic device packaging and other materials. However, the non-pigmented fluoropolymer emulsion is high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D5/32C08F218/08C08F214/24C08F218/00C08F220/18C08F220/06
CPCC08F218/08C08K3/22C08K2003/2296C08K2201/011C09D5/08C09D5/18C09D5/32C09D131/04C08F214/245C08F218/24C08F220/1804C08F220/06
Inventor 刘洪珠边继明张志坤
Owner DALIAN UNIV OF TECH
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