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. 26, 2022
Filed:
May. 09, 2018
Mitsui Chemicals, Inc., Tokyo, JP;
Daisuke Hasegawa, Bangkok, TH;
Hidetaka Honda, Chiba, JP;
Hiroshi Kanayama, Chiba, JP;
Hirofumi Morita, Chiba, JP;
Satoshi Yamasaki, Chiba, JP;
MITSUI CHEMICALS, INC., Tokyo, JP;
Abstract
A polyurethane resin is a reaction product of a polyisocyanate component containing a bis(isocyanatomethyl)cyclohexane with a macropolyol component having a number average molecular weight of above 400 and 5000 or less. The shore A hardness thereof is 80 or less, a temperature at which a storage elastic modulus E' thereof shows 1×10Pa is 200° C. or more, and a ratio (E′/E′) of a storage elastic modulus E′at 150° C. with respect to a storage elastic modulus E′at 50° C. is 0.1 or more and 1.4 or less.