The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 05, 2025
Filed:
Dec. 29, 2018
Preparation method for emulsifier, emulsifier, aqueous epoxy resin dispersion and formulation method
Wanhua Chemical Group Co., Ltd., Yantai, CN;
Wanhua Chemical (Ningbo) Co., Ltd., Ningbo, CN;
Xueshun Ji, Yantai, CN;
Weifei Li, Yantai, CN;
Rui Qu, Yantai, CN;
Junying Deng, Yantai, CN;
Xiao Wang, Yantai, CN;
Jiakuan Sun, Yantai, CN;
WANHUA CHEMICAL GROUP CO., LTD., Yantai, CN;
WANHUA CHEMICAL (NINGBO) CO., LTD., Ningbo, CN;
Abstract
A preparation method for an emulsifier, an emulsifier, an aqueous epoxy resin dispersion, and a formulation method. The preparation method for an emulsifier comprises reacting aminosulfonic acid and/or a sulfamate as a first reaction raw material with an epoxy resin in the presence of water, so as to obtain an ionic active emulsifier. The ionic active emulsifier molecule comprises at least one epoxy group from an epoxy resin and at least one sulfonic acid or sulfonate group from the first reaction raw material. The aqueous epoxy resin dispersion prepared by using the emulsifier has the characteristics of good stability and good corrosion resistance after curing, and can be used in the fields of coatings, adhesives, etc.