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Alcohol-resistant hydroxyl acrylic resin refinishing paint used for automobile

A technology of alcoholic hydroxyl acrylic acid and alcoholic hydroxyl acrylic acid, which is used in the field of automotive refinish paint, can solve the problems of limited application, poor corrosion resistance, low corrosion resistance, etc., and achieves fast drying, strong water and chemical resistance, anti- High corrosive effect

Inactive Publication Date: 2014-05-07
NANJING HENGAN RESIN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the commonly used acrylic resin has high cost, poor alcohol resistance and low corrosion resistance, which limit the application occasions
However, the automotive refinish paint prepared with ordinary hydroxyacrylic resin has uneven blending and poor corrosion resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: An alcohol-resistant hydroxyacrylic resin repair paint for automobiles, the raw material of which contains the following components in parts by weight: alcohol-resistant hydroxyacrylic resin: 100 parts; polymer dispersant: 3-5 parts; nano titanium dioxide: 1 part; Hexanone: 0-0.5 parts; Fatty diamine: 2-2.5 parts; Ethyl acetate: 20-25 parts;

[0015] Wherein, the alcohol-resistant hydroxy acrylic resin contains the following components by weight: methyl methacrylate: 100 parts; perfluoroalkyl ethyl acrylate monomer: 8-20 parts; hydroxyethyl acrylate: 15 parts butyl acrylate: 25-35 parts; isobutyl methacrylate: 3-7 parts; initiator: 1.5-5 parts; solvent 2: 50-70 parts. The perfluoroalkyl ethyl acrylate monomer is perfluorobutyl ethyl acrylate or perfluorooctyl ethyl acrylate. The solvent 2 is one or more of xylene, butanone, and butyl acetate. The initiator is methyl ethyl ketone peroxide, azobisisobutyronitrile or 2,4-dichlorobenzoyl oxide.

Embodiment 2

[0016] Example 2: A repair paint of alcohol-resistant hydroxyacrylic resin for automobiles, its raw material contains the following components in parts by weight: alcohol-resistant hydroxyacrylic resin: 100 parts; polymer dispersant: 3.5 parts; nano-titanium dioxide: 1 part; cyclohexanone : 0-0.5 parts; Polyamine: 2-2.5 parts; Butyl acetate: 22.5 parts;

[0017] Wherein, the alcohol-resistant hydroxy acrylic resin contains the following components by weight: methyl methacrylate: 100 parts; perfluoroalkyl ethyl acrylate monomer: 8-20 parts; hydroxyethyl acrylate: 15 parts butyl acrylate: 25-35 parts; isobutyl methacrylate: 3-7 parts; initiator: 1.5-5 parts; solvent 2: 50-70 parts. The perfluoroalkyl ethyl acrylate monomer is perfluorobutyl ethyl acrylate or perfluorooctyl ethyl acrylate. The solvent 2 is one or more of xylene, butanone, and butyl acetate. The initiator is methyl ethyl ketone peroxide, azobisisobutyronitrile or 2,4-dichlorobenzoyl oxide.

Embodiment 3

[0018] Example 3: A kind of repair paint of alcohol-resistant hydroxyacrylic resin for automobiles, its raw material contains the following components in parts by weight: alcohol-resistant hydroxyacrylic resin: 100 parts; polymer dispersant: 5 parts; nano-titanium dioxide: 1 part; cyclohexanone : 0-0.5 parts; aromatic polyamine: 2-2.5 parts; ethylene glycol methyl ether acetate: 25 parts;

[0019] Wherein, the alcohol-resistant hydroxy acrylic resin contains the following components by weight: methyl methacrylate: 100 parts; perfluoroalkyl ethyl acrylate monomer: 8-20 parts; hydroxyethyl acrylate: 15 parts butyl acrylate: 25-35 parts; isobutyl methacrylate: 3-7 parts; initiator: 1.5-5 parts; solvent 2: 50-70 parts. The perfluoroalkyl ethyl acrylate monomer is perfluorobutyl ethyl acrylate or perfluorooctyl ethyl acrylate. The solvent 2 is one or more of xylene, butanone, and butyl acetate. The initiator is methyl ethyl ketone peroxide, azobisisobutyronitrile or 2,4-dichlor...

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PUM

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Abstract

The invention discloses an alcohol-resistant hydroxyl acrylic resin refinishing paint used for an automobile. Raw materials of the alcohol-resistant hydroxyl acrylic resin refinishing paint comprise, by weight, 100 parts of an alcohol-resistant hydroxyl acrylic resin, 3-5 parts of a dispersant, 1 part of nano titanium dioxide, 0-0.5 part of cyclohexanone, 2-2.5 parts of an epoxy curing agent and 20-25 parts of a solvent 1, wherein the alcohol-resistant hydroxyl acrylic resin comprises, by weight, 100 parts of methyl methacrylate, 8-20 parts of perfluoroalkylethyl acrylate monomers, 15 parts of hydroxyethyl acrylate, 25-35 parts of butyl acrylate, 3-7 parts of isobutyl methacrylate, 1.5-5 parts of an initiator and 50-70 parts of a solvent 2. The alcohol-resistant hydroxyl acrylic resin refinishing paint has good light protection and color protection properties, strong water-resistant and chemical-resistant properties, strong alcohol-resistant property and high corrosion-resistant capacity, can be dried rapidly, and is convenient for operation. The solvents are low in cost; and a preparation process is simple.

Description

technical field [0001] The invention relates to an automobile repair paint, in particular to an alcohol-resistant hydroxyl acrylic resin repair paint for automobiles. Background technique [0002] Acrylic resin does not undergo further cross-linking during the film-forming process, so its relative molecular weight is relatively large, it has good gloss and color retention, water and chemical resistance, fast drying, convenient construction, easy construction, recoating and rework, and the preparation of aluminum The whiteness and positioning of aluminum powder are good in powder coating. Thermoplastic acrylic resins are widely used in automobiles, electrical appliances, machinery, construction and other fields. However, the commonly used acrylic resin has high cost, poor alcohol resistance and low corrosion resistance, which limit the application occasions. However, the automotive refinish paint prepared with ordinary hydroxyacrylic resin has uneven blending and poor corro...

Claims

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Application Information

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IPC IPC(8): C09D133/12C09D5/08C08F220/14C08F220/24C08F220/28C08F220/18
Inventor 马步强
Owner NANJING HENGAN RESIN CHEM
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