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. 18, 2023
Filed:
Oct. 31, 2019
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Eiko Tanaka, Tokyo, JP;
Koichiro Azuma, Tokyo, JP;
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Abstract
The present invention provides a coating film having a structure represented by the following general formula (1) (in the formula, Ris a residue formed by removing one isocyanate group from a polyisocyanate, and Ris an alkyl group or an alkoxy group having 2 to 12 carbon atoms, Ris a residue formed by removing one hydroxyl group from a polyol), wherein a König hardness of the coating film is 20 or more, in an SS curve measurement of a tensile test, the coating film has an elastic deformation region and a plastic deformation region, and in the SS curve measurement, a stress at an inflection point stress between the elastic deformation region and the plastic deformation region is 5 MPa or more.