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Water-based hydroxyl acrylic resin facilitating deep machining and water-based acrylic amino baking finish and preparation method and metal workpiece

A technology of hydroxy acrylic acid and acrylic amino group, applied in the field of metal baking paint, can solve the problem of difficult to meet high gloss and good adhesion, and achieve the effect of reducing VOCs emission, improving color development and vividness, and excellent gloss.

Active Publication Date: 2017-03-29
广东海顺新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When it is applied, the gloss (60°C) is 50±5, and the adhesion is level 1, which is difficult to meet the requirements of metal workpieces such as high gloss and good adhesion.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0098] In this embodiment, the water-based hydroxyacrylic resin includes the following components in terms of weight fraction:

[0099] Acrylic acid 1 part;

[0100] 5 parts of methyl methacrylate;

[0101] 35 parts of butyl acrylate;

[0102] 4 parts of butyl methacrylate;

[0103] 3 parts of vinyl tertiary carbonate;

[0104] 0.6 parts of cyclohexyl methacrylate;

[0105] 5 parts of hydroxyethyl acrylate;

[0106] 0.15 parts of isooctyl 3-mercaptopropionate;

[0107] 0.1 part of tert-butyl hydroperoxide;

[0108] 0.6 parts of tert-butyl peroxybenzoate;

[0109] 0.02 parts of hydrogen peroxide;

[0110] 0.02 part of sodium D-isoascorbate;

[0111] 35 parts of ethylene glycol monobutyl ether;

[0112] 6 parts of dipropylene glycol methyl ether;

[0113] 7 parts of water.

[0114] The preparation method of waterborne hydroxyacrylic resin is as follows:

[0115] (1) Put ethylene glycol monobutyl ether, dipropylene glycol methyl ether and 1 / 3 monomer mixture into a r...

Embodiment 2

[0132] In this embodiment, the water-based hydroxyacrylic resin comprises the following components in terms of weight fraction:

[0133] Acrylic acid 1 part;

[0134] 4 parts of methyl methacrylate;

[0135] 33 parts of butyl acrylate;

[0136] 5 parts of butyl methacrylate;

[0137] 3 parts of vinyl tertiary carbonate;

[0138] 0.5 parts of cyclohexyl methacrylate;

[0139] 6 parts of hydroxyethyl acrylate;

[0140] 0.05 parts of isooctyl 3-mercaptopropionate;

[0141] 0.25 parts of tert-butyl hydroperoxide;

[0142] 0.5 parts of tert-butyl peroxybenzoate;

[0143] 0.01 parts of hydrogen peroxide;

[0144] 0.01 part of sodium D-isoascorbate;

[0145] 30 parts of ethylene glycol monobutyl ether;

[0146] 6 parts of dipropylene glycol methyl ether;

[0147] 7 parts of water.

[0148] The preparation method of water-based hydroxyacrylic resin is as follows:

[0149] (1) Put ethylene glycol monobutyl ether, dipropylene glycol methyl ether and 1 / 3 monomer mixture into a...

Embodiment 3

[0166] In this embodiment, the water-based hydroxyacrylic resin includes the following components in terms of weight fraction:

[0167] Acrylic acid 2 parts;

[0168] 5 parts of methyl methacrylate;

[0169] 35 parts of butyl acrylate;

[0170] 4 parts of butyl methacrylate;

[0171] 4 parts of vinyl tertiary carbonate;

[0172] 0.6 parts of cyclohexyl methacrylate;

[0173] 5 parts of hydroxyethyl acrylate;

[0174] 0.15 parts of isooctyl 3-mercaptopropionate;

[0175] 0.25 parts of tert-butyl hydroperoxide;

[0176] 0.5 parts of tert-butyl peroxybenzoate;

[0177] 0.02 parts of hydrogen peroxide;

[0178] 0.02 part of sodium D-isoascorbate;

[0179] 25 parts of ethylene glycol monobutyl ether;

[0180] 6 parts of dipropylene glycol methyl ether;

[0181] 7 parts of water.

[0182] The preparation method of waterborne hydroxyacrylic resin is as follows:

[0183] (1) Put ethylene glycol monobutyl ether, dipropylene glycol methyl ether and 1 / 3 monomer mixture into ...

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Abstract

The invention discloses a water-based hydroxyl acrylic resin facilitating deep machining, a water-based acrylic amino baking finish, a preparation method and a metal workpiece. The water-based hydroxyl acrylic resin is prepared from acrylic acid, methyl methacrylate, butyl acrylate, butyl methacrylate, vinyl versatate, cyclohexyl methacrylate, hydroxyethyl acrylate, 3-thiohydracrylic acid, an initiator, an oxidizing agent, a reducing agent, an organic solvent and water. The vinyl versatate and the 3-thiohydracrylic acid are introduced to a monomer part of the water-based hydroxyl acrylic resin, and branched chains in the vinyl versatate and the 3-thiohydracrylic acid make resin molecule arranged smoothly, so that a coating prepared by adopting the prepared water-based hydroxyl acrylic resin is very good in coating toughness, and a metal surface has good toughness after being coated. Therefore, the requirements of deep machining of a lot of metal workpieces can be met.

Description

technical field [0001] The invention relates to the field of metal baking varnish, and mainly relates to a water-based hydroxyacrylic resin and a water-based acrylic amino baking varnish which are beneficial to deep processing, a preparation method and a metal workpiece. Background technique [0002] Compared with solvent-based metal baking varnishes, water-soluble metal baking varnishes have better aging resistance, low toxicity and less pollution. In the prior art, the main resin types of water-soluble metal baking varnishes are epoxy resin, polyester resin and acrylic resin. Among them, although acrylic resin has many advantages such as excellent weather resistance, color retention, high gloss and good film-forming compactness, it is not widely used in water-soluble metal baking varnishes due to its hard and brittle characteristics, which are not conducive to deep processing. [0003] For example, Chinese invention patent CN102492354A discloses a water-based environment-...

Claims

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Application Information

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IPC IPC(8): C09D133/08C09D161/32C08F220/18C08F220/06C08F220/14C08F220/28C08F218/10
CPCC08F218/10C08F220/06C08F220/14C08F220/18C08F220/1804C08F220/28C09D133/08C08F220/281
Inventor 易承志
Owner 广东海顺新材料科技有限公司
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