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. 12, 2022
Filed:
Jul. 11, 2018
Korea Research Institute of Chemical Technology, Daejeon, KR;
Sung Yeon Hwang, Seoul, KR;
Jeyoung Park, Ulsan, KR;
Dong Yeop Oh, Busan, KR;
Jong Geon Jegal, Ulsan, KR;
Seon Mi Kim, Busan, KR;
Hyeon Yeol Jeon, Busan, KR;
Korea Research Institute of Chemical Technology, Daejeon, KR;
Abstract
A self-restoring polyurethane-based polymer obtained by polymerization of a composition containing an aromatic disulfide diol represented by Chemical Formula, HO—Ar—S—S—Ar—OH, an alicyclic polyisocyanate, and a polyol. Arand Areach are independently a substituted or unsubstituted C-Carylene group. The composition satisfies Equation, 0.1≤M/M. Mis a total mole number of the aromatic disulfide diol in the composition, and Mis a total mole number of the aromatic disulfide diol and the polyol in the composition.