SELF-EMULSIFYING EPOXY RESIN EMULSION, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

WIPO Patent Application WO/2021/109731

A1

Disclosed are a self-emulsifying epoxy resin emulsion, a preparation method therefor and an application thereof. The raw materials of the emulsion comprise 100-150 parts epoxy resin, 10-20 parts sorbitan polyoxyethylene ether fatty acid ester, 10-20 parts fatty alcohol polyether phosphate, 1-5 parts of an amine accelerator, and 100-10000 parts water. The feeding mass ratios of the epoxy resin to the sorbitan polyoxyethylene ether fatty acid ester and the fatty alcohol polyether phosphate are 1:0.075-0.18 and 1:0.07-0.2, respectively. The preparation thereof comprises: the epoxy resin undergoes a first reaction with the sorbitan polyoxyethylene ether fatty acid ester in the presence of the amine accelerator, then undergoes a second reaction with the fatty alcohol polyether phosphate, and is then mixed with water and is made; and an application thereof in epoxy coatings. In the present invention, a uniform and stable emulsion may be self-emulsified without adding a co-solvent. The emulsion has a long storage period, no VOC emissions, and has excellent film toughness and rust resistance after film formation.

PAN DEZHONG (CN)
ZHANG CHUNQI (CN)
ZHANG CHAO (CN)
XU QINGHUA (CN)
WU BIN (CN)
CUI WEIWEI (CN)
DENG WEI (CN)

PCT/CN2020/121847

June 10, 2021

October 19, 2020

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SUZHOU TAIHU ELECTRIC ADVANCED MAT CO LTD (CN)

C09D163/00; C09D5/08; C09D7/63; C09D7/65

CN110804371A	2020-02-18
CN109384941A	2019-02-26
CN106947359A	2017-07-14
US20020111422A1	2002-08-15
JP2003327661A	2003-11-19

SUZHOU ZHITU INTELLECTUAL PROPERTY FIRM (CN)

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