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. 04, 2020
Filed:
Mar. 27, 2018
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventors:
Mao-Lin Hsueh, Pingtung County, TW;
Yi-Zhen Chen, Tainan, TW;
Hsiao-Chun Yeh, Taichung, TW;
Yung-Chan Lin, Hsinchu, TW;
Cheng-Han Hsieh, Changhua County, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 75/02 (2006.01); C08L 75/12 (2006.01); C08K 5/1565 (2006.01); C08K 5/1515 (2006.01); C08G 71/02 (2006.01);
U.S. Cl.
CPC ...
C08L 75/12 (2013.01); C08G 71/02 (2013.01); C08K 5/1515 (2013.01); C08K 5/1565 (2013.01); C08L 75/02 (2013.01);
Abstract
A polyurethane urea composition and a preparation method thereof are provided. The method includes mixing and reacting an urea and an amine compound to obtain a polyurea oligomer, and mixing and reacting the polyurea oligomer and a cyclic carbonate compound to obtain a polyurethane urea composition having a repeating unit represented by formula I:—R—U—U—U—R—, wherein   [formula I]