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High-solid-content high-gloss quick-drying water-soluble hydroxy acrylic resin and preparation method thereof

A hydroxyacrylic, quick-drying technology, applied in coatings, polyurea/polyurethane coatings, etc., can solve the problems of waterborne hydroxyacrylic resins such as insufficient gloss and fullness, large pollution, and poor dryness, so as to improve the board surface effect and increase Compatibility, improvement of hardness and dryness

Active Publication Date: 2016-06-08
广东波特科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a high-solid, high-gloss and quick-drying water-soluble hydroxyacrylic resin to solve the problem that traditional solvent-based hydroxyacrylic resins are polluted and the spraying of hydroxypolyacrylate paints with high solid content needs to be diluted with a large amount of organic solvents. problems, and improve the shortcomings of water-based hydroxyacrylic resin, such as insufficient luster, fullness and poor dryness, to adapt to environmental protection laws and regulations and people's desire for environmental safety

Method used

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  • High-solid-content high-gloss quick-drying water-soluble hydroxy acrylic resin and preparation method thereof
  • High-solid-content high-gloss quick-drying water-soluble hydroxy acrylic resin and preparation method thereof
  • High-solid-content high-gloss quick-drying water-soluble hydroxy acrylic resin and preparation method thereof

Examples

Experimental program
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Effect test

specific Embodiment 1

[0042]A kind of water-soluble hydroxyl acrylic resin preparation step of high solid high light quick-drying property comprises as follows:

[0043] 1) Put material A into the reactor, heat up to reflux, seal the reactor, and continue to heat up to 135±2°C;

[0044] 2) Use a flow pump to evenly add material B dropwise at a constant speed, and the common dropwise addition time is 6 hours;

[0045] 3) After the dropwise addition, the constant temperature reaction was carried out for 4 hours;

[0046] 4) Use a flow pump to add C material, and then keep warm for 3 hours;

[0047] 5) Remove 490Kg of 70% solvent under reduced pressure and increase temperature, then lower the temperature to below 80°C, add material D neutralizing agent to neutralize evenly, so that the pH value is 7-8;

[0048] 6) Add material E to dilute with deionized water, disperse evenly, filter and pack.

[0049] Main technical indicators of a water-soluble hydroxyacrylic resin with high solidity, high light ...

specific Embodiment 2

[0060] A kind of water-soluble hydroxyl acrylic resin preparation step of high solid high light quick-drying property comprises as follows:

[0061] 1) Put material A into the reactor, heat up to reflux, seal the reactor, and continue to heat up to 140±2°C;

[0062] 2) Use a flow pump to evenly add material B dropwise at a constant speed, and the common dropwise addition time is 5 hours;

[0063] 3) After the dropwise addition, the constant temperature reaction was carried out for 3 hours;

[0064] 4) Use a flow pump to add C material, and then keep warm for 3.5 hours;

[0065] 5) Remove 475Kg of 60% solvent under reduced pressure and increase temperature, then lower the temperature to below 80°C, add material D neutralizing agent to neutralize evenly, so that the pH value is 7-8;

[0066] 6) Add material E to dilute with deionized water, disperse evenly, filter and pack.

[0067] Main technical indicators of a water-soluble hydroxyacrylic resin with high solidity, high lig...

specific Embodiment 3

[0078] A kind of water-soluble hydroxyl acrylic resin preparation step of high solid high light quick-drying property comprises as follows:

[0079] 1) Put material A into the reactor, heat up to reflux, seal the reactor, and continue to heat up to 130±2°C;

[0080] 2) Use a flow pump to evenly add material B dropwise at a constant speed, and the common dropwise addition time is 6 hours;

[0081] 3) After the dropwise addition, the constant temperature reaction was carried out for 3 hours;

[0082] 4) Use a flow pump to add material C, and then keep warm for 4 hours;

[0083] 5) Remove 740Kg of 80% solvent under reduced pressure and increase temperature, then lower the temperature to below 80°C, add material D neutralizing agent to neutralize evenly, so that the pH value is 7-8;

[0084] 6) Add material E co-solvent and deionized water to dilute, disperse evenly, filter and pack.

[0085] Main technical indicators of a water-soluble hydroxyacrylic resin with high solidity, ...

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Abstract

The invention discloses a high-solid-content high-gloss quick-drying water-soluble hydroxy acrylic resin and a preparation method thereof. The monomers in the monomer-phase solution B is composed of 0-35 wt% of methyl methacrylate, 20-50 wt% of styrene or toluene isoborneol acrylate and toluene cyclohexyl acrylate; 5-15 wt% of methyl acrylate or butyl acrylate or methyl acrylate and butyl acrylate mixture, 5-15 wt% of functional monomer, 15-20 wt% of 2-hydroxyethyl acrylate or 2-hydroxypropyl acrylate, 8-15 wt% of acrylic acid or methacrylic acid and 1-2 wt% of chain-transfer agent. The invention aims to provide a high-solid-content high-gloss quick-drying water-soluble hydroxy acrylic resin, thereby solving the problem of high pollution in the traditional solvent-type hydroxy acrylic resin and the problem that a great amount of organic solvent is needed for dilution when the paint prepared from high-solid-content hydroxy polyacrylate is sprayed, and overcoming the defects of insufficient gloss and fullness and poor drying property in the water-based hydroxy acrylic resin. The invention also discloses a preparation method of the water-soluble hydroxy acrylic resin.

Description

technical field [0001] The present invention relates to a method for the synthesis and preparation of high-environment-friendly polymer compounds, in particular to a two-component water-based PU paint. The water-based paint has a high solid content, and the paint film after coating has high gloss and fullness. A high-solid, high-gloss and quick-drying water-soluble hydroxyacrylic resin with the characteristics of good quality and fast drying speed and a preparation method of the resin are disclosed. Background technique [0002] At present, the synthesis of acrylic resin, whether it is a solvent method or an emulsion method, is generally synthesized by free radical polymerization under open atmospheric pressure. The development and application of waterborne acrylic resin coatings began in the 1950s and early 1970s It has developed rapidly. Compared with traditional solvent-based coatings, water-based coatings have the advantages of low price, safe use, saving resources and e...

Claims

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Application Information

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IPC IPC(8): C08F212/08C08F220/18C08F220/06C08F220/28C08F220/14C08F2/38C09D175/04
CPCC09D175/04C08F212/08C08F220/14C08F220/18C08F220/06C08F220/282C08F220/1806C08F220/1804C08F220/281
Inventor 郑曼
Owner 广东波特科技股份有限公司
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