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Preparation method of epoxy resin modified waterborne acrylic resin

A technology of water-based acrylic and epoxy resin, applied in the direction of epoxy resin coating, coating, etc., can solve the problems of low gloss and poor adhesion of water-based acrylic resin, so as to improve adhesion and gloss, and improve adhesion The effect of poor and excellent adhesion

Inactive Publication Date: 2017-10-10
江苏三木化工股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: The purpose of the present invention is to address the deficiencies of the prior art. Through a large number of experiments, the epoxy resin is selected to modify the water-based acrylic resin, which can improve the shortcomings of the water-based acrylic resin such as poor adhesion and low gloss.

Method used

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  • Preparation method of epoxy resin modified waterborne acrylic resin
  • Preparation method of epoxy resin modified waterborne acrylic resin
  • Preparation method of epoxy resin modified waterborne acrylic resin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 1, a kind of preparation method of the waterborne acrylic resin modified by epoxy resin, it may further comprise the steps:

[0024] (1) Add ethylene glycol butyl ether, butanol and epoxy resin 601R of the following table 1 in a four-necked flask equipped with agitator, condenser, thermometer and constant pressure dropping funnel;

[0025] (2) Mix quantitative acrylic acid, styrene, isobutyl methacrylate, methyl acrylate, hydroxyethyl acrylate and initiator dibenzoyl peroxide (BPO) according to Table 1, stir evenly, and drop into the dropping funnel middle;

[0026] (3) After the solvent in the flask is heated to reflux, add the acrylic acid monomer and initiator mixed in step (2) dropwise, and the dropwise addition is completed in about 3.5 hours. Keep the temperature and continue to react for 2 hours, then add 1 part of initiator and 1 part of ethylene glycol butyl ether solvent every 1 hour, and after completing 3 parts of initiator and solvent, a slightly yellowish...

Embodiment 2

[0030] 1. Put the epoxy resin-modified water-based acrylic resin prepared in Example 1 and the raw material composition in Table 2 into a preparation tank, stir in a sand mill, and after the fineness reaches 20 μm, filter to obtain a resin slurry, and then Add a certain amount of amino resin, water, etc. to prepare water-based acrylic paint. Table 2 Epoxy resin modified waterborne acrylic resin coating formula composition.

[0031]

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Abstract

The invention discloses a preparation method of epoxy resin modified waterborne acrylic resin. The epoxy resin modified waterborne acrylic resin is obtained by making a mixed monomer prepared from acrylic acid, styrene, isobutyl methacrylate, methyl acrylate and hydroxyl acrylic acid react with epoxy resin under the action of an initiator. According to the preparation method, a synthetic process is selected through abundant experiments; the VOC (Volatile Organic Compound) in paint can be greatly reduced by prepared and obtained epoxy resin modified waterborne acrylic resin paint; the environment-friendly performance is high. The prepared and obtained epoxy resin modified waterborne acrylic resin paint has excellent adhesive force and is good in glossiness, and further has excellent hardness and impact-resistant performance; the quite good technical effect is gained.

Description

technical field [0001] The invention relates to a paint, in particular to a preparation method of an environmentally friendly epoxy resin-modified water-based acrylic resin, and belongs to the technical field of polymer materials. Background technique [0002] In recent years, with the continuous enhancement of people's awareness of environmental protection, many countries have issued environmental regulations to control volatile organic compounds (VOC), research and develop environmentally friendly coatings and coating technologies, and reduce volatile organic compounds in coating production and construction. (VOC), has become the center of most coating and resin design work at home and abroad. Water-based coatings use water and hydrophilic solvents as diluents, which can reduce and control the emission of volatile organic compounds (VOC), so they have become an important direction and research hotspot in the development of coatings. However, compared with solvent-based re...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D151/08C09D133/10C08F283/10C08F220/18C08F220/06C08F212/08C08F220/14C08F220/28
CPCC08F220/18C08F283/10C08L2205/035C09D133/10C09D151/08C09D163/00C08L63/00C08L51/08C08L33/10C08F220/06C08F212/08C08F220/14C08F220/281
Inventor 熊诚陈兰惠正权
Owner 江苏三木化工股份有限公司
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