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High-definition EVA (ethylene vinyl acetate copolymer) laminated glass middle film and preparation method thereof

A laminated glass, high-definition technology, applied in the direction of film/sheet adhesives, non-polymer adhesive additives, adhesive additives, etc., can solve the problem of low clarity of the interlayer film of EVA laminated glass, and achieve Eliminates fogging and improves clarity

Inactive Publication Date: 2015-12-23
KUNSHAN TIANYANG HOT MELT ADHESIVE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of low clarity of the interlayer film of EVA laminated glass, provide a high-definition EVA interlayer film for laminated glass and its preparation method, and laminated glass using the interlayer film

Method used

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  • High-definition EVA (ethylene vinyl acetate copolymer) laminated glass middle film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A high-definition EVA laminated glass interlayer film, comprising the following components in parts by mass: vinyl acetate content of 28%, 100 parts of EVA resin with a melt index of 15, 2,5-di-tert-butyl peroxide-2,5 -1.0 parts of dimethylhexane, 0.6 parts of γ-methacryloxypropyltrimethoxysilane, 0.6 parts of N,N'-diisopropylcarbodiimide, 2-hydroxy-4-n-octyloxy 0.3 parts of benzophenone, 0.3 parts of tris(mononylbenzene and dinonylbenzene mixed ester) of phosphorous acid.

[0018] The above-mentioned materials are uniformly mixed according to the proportion provided by the present invention, put into a tape casting machine, extruded and cast to form a film. The resulting product is labeled A1.

Embodiment 2

[0020] A high-definition EVA laminated glass interlayer film, comprising the following components in parts by mass: vinyl acetate content of 33%, 100 parts of EVA resin with a melt index of 10, 1.5 parts of tert-butyl cumene, β-( 0.5 parts of 3,4-ethoxycyclohexane) ethyltrimethoxysilane, 0.6 parts of bis(2,6-diisopropylphenyl)carbodiimide, 2-hydroxy-4-n-octyloxy 0.5 part of benzophenone, 0.4 part of polysuccinic acid (4-hydroxy-2,2,6,6,-tetramethyl-1 piperidine ethanol ester).

[0021] The above-mentioned materials are uniformly mixed according to the proportion provided by the present invention, put into a tape casting machine, extruded and cast to form a film. The resulting product is labeled A2.

Embodiment 3

[0023] A high-definition EVA laminated glass interlayer film, comprising the following components in parts by mass: a vinyl acetate content of 33%, 100 parts of EVA resin with a melt index of 7, 1.0 parts of tert-butyl peroxycarbonate-2-ethylhexyl 0.5 parts of γ-glycidoxypropyltrimethoxysilane, 0.3 parts of dicyclohexylcarbodiimide, 3,5 di-tert-butyl-4-hydroxybenzoic acid-2,4-di-tert-butylbenzene 0.3 part of ester, 0.3 part of 1:1 mixture of pentaerythritol diisodecyl phosphite and polysuccinic acid (4-hydroxy-2,2,6,6,-tetramethyl-1 piperidine ethanol ester).

[0024] The above-mentioned materials are uniformly mixed according to the proportion provided by the present invention, put into a tape casting machine, extruded and cast to form a film. The resulting product is labeled A3.

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Abstract

The invention provides a high-definition EVA (ethylene vinyl acetate copolymer) laminated glass middle film. The high-definition EVA laminated glass middle film comprises main components as follows: 100 parts of EVA resin, 0.1-5 parts of a peroxide crosslinking agent, 0.1-3 parts of a hydrolysis-resistant agent, 0.1-3 parts of a tackifier, 0.1-3 parts of an ultraviolet absorbent and 0.1-3 parts of other stable aids. During preparation of a thin film, raw materials are uniformly mixed in corresponding proportion and added to a casting machine to be extruded and cast to form the film.

Description

technical field [0001] The invention relates to an EVA interlayer film used in safety laminated glass. The safety laminated glass made of the interlayer film not only has high clarity, but also has excellent transparency, ultraviolet resistance and yellowing resistance. Background technique [0002] EVA safety laminated glass refers to the laminated glass that uses EVA material as the intermediate bonding layer. This kind of glass is usually used in the construction of sun rooms, in building windows, balcony guardrails, etc., and these positions not only require the interlayer film of laminated glass to have good yellowing resistance, UV resistance and bonding performance, but also require high clarity. [0003] The EVA laminated glass interlayer film currently used on the market can usually meet the requirements for yellowing resistance, UV resistance and bonding performance, but cannot meet the high-definition requirements of EVA laminated glass, because the moisture in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/00C09J123/08C09J11/06C03C27/12
Inventor 刘昊李哲龙
Owner KUNSHAN TIANYANG HOT MELT ADHESIVE CO LTD
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