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Preparation of graphene oxide nanometer modified acrylate aqueous dispersion and application of same to waterborne automobile coating

A technology of acrylate and nano-modification, which is applied in the direction of fireproof coatings, coatings, etc., can solve problems such as environmental pollution, severe, and human hazards, and achieve the effects of no pollution to the environment, enhanced dispersion stability, and easy operation

Active Publication Date: 2017-12-22
QINGYUAN HAOYU CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The huge automobile production and sales market will definitely drive the rapid development of automobile coatings. The huge number of automobiles provides a broad development space for automotive coatings, and the consumption of automotive coatings has increased sharply; Contains a large amount of volatile organic compounds (VOC), which not only causes harm to the human body, but also causes increasingly serious pollution to the environment

Method used

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  • Preparation of graphene oxide nanometer modified acrylate aqueous dispersion and application of same to waterborne automobile coating
  • Preparation of graphene oxide nanometer modified acrylate aqueous dispersion and application of same to waterborne automobile coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] In the reactor equipped with stirring paddle, thermometer and condenser, add 15 parts by weight of glycidyl tertiary carbonic acid ester Cardura E10P, 5 parts by weight of dimethylformamide (DMF), 0.8 parts by weight of graphene oxide, under nitrogen protection After heating up to 100°C and keeping the high-speed dispersion state for 0.5h, 18 parts by weight of ethyl methacrylate, 25 parts by weight of butyl acrylate, 12 parts by weight of hydroxyethyl methacrylate, and 10 parts by weight of formaldehyde were added dropwise. Acrylic acid, 15 parts by weight of styrene, 1.5 parts by weight of azobisisobutyronitrile, and 0.2 parts by weight of mercaptoethanol were added dropwise within 2.5 hours, kept warm for 1 hour, and then added 0.6 parts by weight of the above-mentioned initiator When the temperature drops to 70°C, add the neutralizing agent N, N-dimethylethanolamine to carry out the neutralization reaction under the dispersion condition of 1200r / min, the reaction tim...

Embodiment 2

[0036] In the reactor equipped with stirring paddle, thermometer and condenser, add 15 parts by weight of glycidyl tertiary carbonic acid ester Cardura E10P, 3-5 parts by weight of dimethylformamide (DMF), 0.5 parts by weight of graphene oxide, in nitrogen Under protection, the temperature was raised to 100°C, and after maintaining the high-speed dispersion state for 0.5h, 15 parts by weight of methyl methacrylate, 20 parts by weight of ethyl acrylate, 10 parts by weight of hydroxyethyl acrylate, and 5 parts by weight of acrylic acid were added dropwise. , the mixed solution that the acrylonitrile of 10 weight parts, the dibenzoyl peroxide of 1 weight part and the dodecyl mercaptan of 0.05 weight part form, dropwise in 2-, keep warm for 0.5-1h, then add 0.5 parts by weight of the above initiator, heat preservation for 1.5h; when the temperature drops to 60°C, add neutralizing agent N,N-dimethylethanolamine to carry out neutralization reaction under the dispersion condition of 1...

Embodiment 3

[0038]In a reactor equipped with a stirring paddle, a thermometer, and a condenser, add 15 parts by weight of glycidyl tertiary carbonic acid ester Cardura E10P, 3-5 parts by weight of dimethylformamide (DMF), and 1 part by weight of graphene oxide under nitrogen Under protection, the temperature was raised to 100°C, and after maintaining the high-speed dispersion state for 0.5h, 25 parts by weight of methyl methacrylate, 30 parts by weight of ethyl acrylate, 15 parts by weight of hydroxyethyl acrylate, and 15 parts by weight of acrylic acid were added dropwise. , the mixed solution that the acrylonitrile of 20 weight parts, the dibenzoyl peroxide of 2 weight parts and the dodecyl mercaptan of 1 weight part form, dropwise in 3h, keep warm for 1h, then add 1 weight part of the above initiator, keep it warm for 2.5h; when the temperature drops to 80°C, add the neutralizing agent N,N-dimethylethanolamine to carry out the neutralization reaction under the dispersion condition of 15...

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Abstract

The invention relates to preparation of graphene oxide nanometer modified acrylate aqueous dispersion and application of the same to waterborne automobile coating, belongs to series of waterborne automobile coating, and discloses a method for preparing graphene oxide nanometer modified acrylate aqueous dispersion. The preparation and the application have the advantages that special physical and chemical performance of nanometer materials and merits of acrylate are sufficiently combined with one another, accordingly, the graphene oxide nanometer modified acrylate aqueous dispersion is excellent in performance in the aspects of mechanical properties, solvent resistance, stability and the like, formed paint films are high in gloss, good in fullness and solvent resistance and excellent in mechanical performance, the comprehensive performance can be greatly improved, environments can be protected, energy can be saved, and the graphene oxide nanometer modified acrylate aqueous dispersion is high in operability and convenient to popularize and apply and has a broad market prospect.

Description

technical field [0001] The invention relates to a preparation method of water-based automotive coatings, in particular to a preparation method of graphene oxide nano-modified acrylate water dispersion and its application. Background technique [0002] With the rapid development of the automobile industry and the continuous improvement of people's living standards, my country's automobile sales exceeded 24.5 million in 2015, a record high in the world, ranking first in the world for seven consecutive years, and becoming the world's largest automobile production and sales country. According to the current trend of automobile production and sales in my country, the number of cars in 2017 will exceed 200 million in advance, and by 2022, the number of cars will be close to 300 million. The huge automobile production and sales market will definitely drive the rapid development of automobile coatings. The huge number of automobiles provides a broad development space for automotive ...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F220/28C08F220/06C08F212/08C08F220/14C08F220/44C08K3/04C08K5/1515C09D133/08C09D5/18C09D7/12
CPCC08F220/18C08F220/1804C08K3/04C08K5/1515C09D5/18C09D133/08C08F220/14C08F220/281C08F220/06C08F220/44C08F212/08
Inventor 郭逍遥汤汉良赵果陈之善杨惠娟李树伟刘其平
Owner QINGYUAN HAOYU CHEM TECH
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