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:
Apr. 21, 2020
Filed:
Sep. 15, 2015
3m Innovative Properties Company, St. Paul, MN (US);
Zhenqian Yang, Shanghai, CN;
Liang Qin, Shanghai, CN;
Dong Li, Shanghai, CN;
Ping Zhou, Shanghai, CN;
Xiongjian Wu, Shanghai, CN;
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
The present disclosure relates to a B-stageable adhesive composition and an article prepared by the same. In the present disclosure, the adhesive composition comprises the following components in solid content percentage: (A) 10% to 50% by weight of a first epoxy resin with a weight average molecular weight Mw of 8,000 g/mol or more; (B) 5% to 20% by weight of a second epoxy resin with a weight average molecular weight Mw of 200 to 6,000 g/mol; (C) 30% to 80% by weight of a hydroxyl terminated polyester or derivates thereof; (D) 0.1% to 2.5% by weight of a first curing agent capable of reacting with epoxy group; and (E) 0.1% to 2.5% by weight of a second curing agent capable of reacting with hydroxyl group; the sum of components of the composition is equal to 100% by weight. The coating obtained from the adhesive composition of the present disclosure shows high adhesive strength, excellent heat resistance and flame retardance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile