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:
Mar. 02, 2021
Filed:
Oct. 20, 2017
Applicants:
China Petroleum & Chemical Corporation, Beijing, CN;
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation, Beijing, CN;
Inventors:
Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/183 (2006.01); C08J 3/12 (2006.01); C08K 3/04 (2006.01); C08K 3/26 (2006.01); C08K 3/32 (2006.01); C08K 3/34 (2006.01); C08K 5/00 (2006.01); C08K 5/20 (2006.01); C08L 67/02 (2006.01); C08L 23/06 (2006.01); C08L 45/00 (2006.01); C08L 77/00 (2006.01);
U.S. Cl.
CPC ...
C08G 63/183 (2013.01); C08J 3/12 (2013.01); C08K 3/04 (2013.01); C08K 3/26 (2013.01); C08K 3/32 (2013.01); C08K 3/346 (2013.01); C08K 5/0083 (2013.01); C08K 5/20 (2013.01); C08L 67/02 (2013.01); C08J 2367/02 (2013.01); C08K 2003/321 (2013.01); C08L 23/06 (2013.01); C08L 45/00 (2013.01); C08L 77/00 (2013.01); C08L 2205/02 (2013.01); C08L 2205/24 (2013.01);
Abstract
A polyester composition, includes an aliphatic polyester and an aliphatic-aromatic copolyester. The aliphatic-aromatic copolyester is a copolymer having a repeating unit A and a repeating unit B. The preparation method for the polyester composition includes the steps of mixing all the components having the aliphatic polyester and the aliphatic-aromatic copolyester, and subjecting the resulting mixture to extrusion granulation.