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. 20, 2019
Filed:
Aug. 07, 2014
Dic Corporation, Tokyo, JP;
Tomohiro Tetsui, Osaka, JP;
DIC CORPORATION, Tokyo, JP;
Abstract
Provided is an aqueous urethane resin composition with which a fiber base can be impregnated, which is capable of thermal coagulation, which does not detach from the fiber base due to water or heat in the step of coloring the impregnated base, and which is capable of forming a coating film having resistance to discoloration which may occur with time and an excellent feeling, that is, flexibility and resilience. The aqueous urethane resin composition includes a urethane resin a nonionic emulsifier, and an aqueous medium, the urethane resin being produced by reacting a polyol including a polyol including a carboxyl group with an aromatic polyisocyanate and a chain extender, the content of urea linkage in the urethane resin being 0.3 mol/kg or less. Also provided is a leather-like sheet produced by impregnating a fiber base with the aqueous urethane resin composition and subsequently performing thermal coagulation of the urethane resin composition.