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Acrylic resin paint capable of being quickly cured

An acrylic resin, fast curing technology, applied in the direction of coating, etc., can solve the problems of easy aging, etc., achieve good weather resistance, high adhesion, and improve the effect of coating rate

Active Publication Date: 2016-05-18
HANGZHOU FIRST APPLIED MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with fluorocarbon resins, acrylic resins are more prone to aging

Method used

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  • Acrylic resin paint capable of being quickly cured
  • Acrylic resin paint capable of being quickly cured
  • Acrylic resin paint capable of being quickly cured

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028] Add 80 parts of xylene to the reaction kettle in parts by weight, and raise the temperature to 140°C; in the state of solvent reflux, slowly add 20 parts of methyl methacrylate, 40 parts of butyl acrylate, 15 parts of A mixture of 2-ethylhexyl acrylate, 12 parts of hydroxyethyl acrylate, 13 parts of acrylonitrile, 3 parts of di-tert-butyl peroxide, and 3 parts of mercaptothiol; after continuing the reaction for 2 hours, the addition of 1 1 part of di-tert-butyl peroxide, 20 parts of xylene, and continue the heat preservation reaction for 1 hour and then the reaction ends, and the temperature is lowered to below 70° C., discharging and filtering, to obtain the hydroxyacrylic resin a of embodiment 1 (for physical parameters, see Table I).

[0029] Component A:

[0030]

[0031] Component B:

[0032] Curing agent Z4470 (Bayer, Germany) 25 parts

[0033] Add 100 parts of modified acrylic resin a into a container equipped with a stirring device and start stirring, add ...

example 2

[0036] Add 75 parts of butyl acetate to the reaction kettle according to parts by weight, and heat up to 120°C; under the state of solvent reflux, slowly add 15 parts of methyl methacrylate, 35 parts of butyl acrylate, 30 parts of Parts of 2-ethylhexyl acrylate, 10 parts of 4-hydroxybutyl acrylate, 5 parts of acrylonitrile, 2.5 parts of tert-butyl peroxybenzoate, and 2 parts of mercaptothiol; after continuing to react for 2 hours, 0.5 Add the mixture of 0.5 parts of tert-butyl peroxybenzoate and 5 parts of butyl acetate within h, and continue the heat preservation reaction for 1 hour. After the reaction is completed, the temperature is lowered to below 70 ° C, and the material is discharged and filtered to obtain the product of Example 1. Hydroxy acrylic resin b (see Table 1 for physical parameters).

[0037] Component A:

[0038]

[0039]

[0040] Component B:

[0041] Curing agent N3390 (Bayer, Germany) 20 parts

[0042]Add 100 parts of modified acrylic resin b into...

example 3

[0045] Add 70 parts of methyl methacrylate, 15 parts of butyl acrylate, 25 parts of A mixture of ethyl acrylate, 5 parts of hydroxypropyl acrylate, 25 parts of acrylonitrile, 4 parts of azobisisobutyronitrile, and 2 parts of dodecanethiol; after continuing the reaction for 2 hours, 1 part of azo was added within 0.5 hours The mixture of diisobutyronitrile and 5 parts of methyl ethyl ketone, and continue the heat preservation reaction for 1 hour, then the reaction ends, the temperature is lowered to below 40° C., the material is discharged and filtered, and the hydroxyacrylic resin c of Example 1 is obtained (see Table 1 for physical parameters) .

[0046] Component A:

[0047]

[0048] Component B:

[0049] Curing agent Z4470 (Bayer, Germany) 5 parts

[0050] Add 100 parts of modified acrylic resin c into a container equipped with a stirring device and start stirring, add 8 parts of silane coupling agent A174, 50 parts of filler titanium dioxide R996, 1 ​​part of dibutyl...

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Abstract

The invention discloses acrylic resin paint capable of being quickly cured. The paint is a double-component curing system. Modified acrylic resin and alpha-(methyl)alkyl cyanoacrylate have good intersolubility and good adhesion, alpha-(methyl)alkyl cyanoacrylate can accelerate curing of a coating. The paint system can be quickly cured, and the environment-friendly coating which is good in weather resistance and high in adhesion can be obtained. The technology is simple, operation is easy, coating efficiency can be improved, and the good paint can be used for solar cell backplanes.

Description

technical field [0001] The invention relates to a fast-curable acrylic resin paint, which belongs to the technical field of material surface protection. Background technique [0002] Solar cell modules in photovoltaic power generation must meet the requirements of outdoor use for more than 25 years. The backsheet is located on the outermost layer of photovoltaic cell components to protect and support the cells. It must have reliable electrical insulation, moisture resistance and good weather resistance. [0003] At present, fluorine-containing polymer backsheets are mostly used in the manufacture of photovoltaic modules in my country. One is a glue-coated composite backsheet, which is composed of fluorine film or EVA film on both sides of PET and other polyester films. It has a three-layer structure, and the common ones are TPT and TPE. , KPK and other structures. This type of backsheet needs to be coated with an adhesive between the fluorine-containing film and PET and ado...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/04C09D4/06C09D7/12
CPCC09D4/06C09D7/61C09D7/63C08F283/006
Inventor 梅云宵林维红王伟周光大林建华
Owner HANGZHOU FIRST APPLIED MATERIAL CO LTD
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