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:
Jul. 11, 2023
Filed:
Mar. 29, 2021
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Dainchiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a resin composition for an adhesive, being useful as a component of an adhesive having a favorable adhesion property to glass and giving favorable appearance after adhesion. The resin composition for an adhesive contains a polyhydroxyurethane resin. This polyhydroxyurethane resin contains a structural unit formed by polymerizing a compound (A) having at least two five-membered cyclic carbonate structures and a compound (B) having at least two primary amino groups, the polyurethane resin contains a urethane bond, a hydroxy group, and a secondary amino group in the structural unit. Further, this polyhydroxyurethane resin has an amine number of 1 to 50 mgKOH/g and has a hydroxyl number of 10 to 230 mgKOH/g.