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Water-soluble quantum epoxy acrylate emulsion as well as preparation method and application thereof

A technology of epoxy acrylic acid and water-based acrylic acid, applied in the direction of coating, etc., can solve the problems that the water resistance of glass coating cannot be satisfied, the water resistance of coating is not ideal, and the appearance of products is affected, so as to achieve convenient application, strong adhesion, and improved burning effect

Inactive Publication Date: 2018-05-04
FOSHAN HAITE CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, because its molecular structure contains a relatively large number of strong hydrophilic carboxyl groups, the water resistance of the prepared coating is not ideal after drying and forming a film. After soaking in water at room temperature for ten to twenty minutes, the coating will dissolve, and The adhesion of the coating on the glass plate is low, only two to three grades, and the hardness of the thermoplastic water-soluble acrylic resin is below HB. 2H or more, boil-resistant for 1 hour without coating peeling off
[0004] Moreover, when the existing acrylic resin is used for metal paint, it is easy to play color (i.e. form a rainbow shape on the metal surface), which affects the appearance of the product and reduces the quality of the product.

Method used

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  • Water-soluble quantum epoxy acrylate emulsion as well as preparation method and application thereof
  • Water-soluble quantum epoxy acrylate emulsion as well as preparation method and application thereof
  • Water-soluble quantum epoxy acrylate emulsion as well as preparation method and application thereof

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preparation example Construction

[0061] Correspondingly, the present invention also provides a kind of preparation method of water-soluble quantum epoxy acrylic emulsion, comprising:

[0062] (1) mixing, stirring and dissolving the acrylate monomer and 75-95% initiator according to the formula to obtain a mixed solution;

[0063] (2) Add 1-4C unit alcohols, epoxy resins, and inorganic nanomaterials into the reactor, heat up to the boiling point of the solution and reflux for 1-5min, then drop the mixed solution prepared in step (1) to carry out free radical polymerization, and control The feed liquid is dropped within 1-5 hours, wherein, during the feeding process of the feed liquid, the temperature in the reaction kettle is kept between the boiling point of the solution in the kettle, and the temperature is between 80-120°C.

[0064] Preferably, 1-4C unit alcohols, epoxy resins, and inorganic nanomaterials are added to the reactor, heated to the boiling point of the solution and refluxed for 2-3 minutes, and...

Embodiment 1

[0077] 1. Synthesis of solvent-based nano-epoxy modified acrylic resin: 12g of butyl acrylate, 26g of methyl methacrylate, 5g of acrylic acid, and 2.0g of benzoyl peroxide were mixed, stirred and dissolved evenly, and added to the dropping funnel for later use. 42g ethylene glycol butyl ether, 28g E-44 epoxy resin, 11g nano silicon dioxide are added in the four-necked flask that stirrer, condenser, thermometer, heater and drop feeder are housed, be heated up to solution boiling point reflux 2 Minutes, start to drop the mixed material liquid in the dropping funnel to carry out radical polymerization reaction, control the material liquid to drop in 2 hours. During the dropwise addition of feed liquid, the temperature in the reactor is kept at the boiling point of the solution in the reactor (between 75 and 88° C.). After the dropwise addition of the feed liquid is completed, keep the solution boiling for 3 hours, then add 0.5 g of initiator benzoyl peroxide, and then keep the te...

Embodiment 2

[0080] 1. Synthesis of solvent-based nano-epoxy modified acrylic resin: 19g butyl acrylate, 21g E-51 epoxy resin, 19g methyl methacrylate, 7g ethyl acrylate, 4g acrylic acid, 9g mixed nanomaterials and 1g peroxide Benzoyl is mixed and stirred to dissolve evenly, and added to the dropping funnel for later use. 35g isopropanol is added in the four-necked flask that agitator, condenser, thermometer, heater and dropping funnel are housed, be warmed up to solution boiling point and reflux for 3 minutes, start dripping feed liquid and carry out radical polymerization reaction, control feed liquid in The dripping is completed within 3 hours, and the temperature in the reactor is kept at the boiling point of the solution in the reactor (between 75 and 85° C.). After the dropwise addition of the feed liquid is completed, keep the solution boiling for 4 hours, then add 0.2 g of initiator benzoyl peroxide, and then continue the heat preservation for 4 hours to detect the solid content. W...

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Abstract

The invention discloses water-soluble quantum epoxy acrylate emulsion which is mainly prepared from the following raw materials in parts by mass: 30-90 parts of acrylic monomers, 0.1-5 parts of an initiator, 15-80 parts of C1-4 monohydric alcohols, 1-40 parts of epoxy resin, 5-15 parts of an inorganic nanometer material and 1-20 parts of water. Correspondingly, the invention further discloses a preparation method and application of the water-soluble quantum epoxy acrylate emulsion. The water-soluble quantum epoxy acrylate emulsion disclosed by the invention is environment-friendly and energy-saving, and the boiling resistance, salt spray resistance property, hardness and metal and glass adhesion force can be obviously improved.

Description

technical field [0001] The invention relates to the technical field of surface protection paints, in particular to a water-soluble quantum epoxy acrylic emulsion and a preparation method thereof, and the application of the water-soluble quantum epoxy acrylic emulsion in metal paints and non-metal paints. Background technique [0002] With the increasingly stringent environmental protection requirements, the water-soluble acrylic resins that have been developed have been paid attention to. The existing water-soluble acrylic resin is prepared by dissolving the water-soluble acrylic resin obtained by radical polymerization in 40-80% wt water to obtain the water-soluble acrylic resin without organic solvent. This kind of water-soluble acrylic resin not only retains many advantages of coatings formulated with solvent-based acrylic resins, such as good leveling, high gloss, good film formation and good film compactness, but also significantly improves the performance of the resin ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F283/10C08F220/14C08F220/18C08F220/06C08K3/36C08F222/02C09D151/08
CPCC08F283/10C08K3/36C08K2201/011C09D151/08C08F220/1804
Inventor 郑伟洲
Owner FOSHAN HAITE CHEM TECH
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