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:
Jul. 19, 2022
Filed:
Sep. 23, 2020
Applicant:
SK Chemicals Co., Ltd., Gyeonggi-do, KR;
Inventors:
Se-Ho Lee, Gyeonggi-do, KR;
Sung-Gi Kim, Gyeonggi-do, KR;
Assignee:
HDC POLYALL CO., LTD., Ulsan, KR;
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/0263 (2016.01); C08J 5/18 (2006.01); C08G 75/0204 (2016.01); C08J 5/00 (2006.01); C08G 75/0231 (2016.01);
U.S. Cl.
CPC ...
C08G 75/0263 (2013.01); C08G 75/0204 (2013.01); C08G 75/0231 (2013.01); C08J 5/00 (2013.01); C08J 5/18 (2013.01); C08J 2381/02 (2013.01);
Abstract
The present invention relates to a polyarylene sulfide which has more improved compatibility with other polymer materials or fillers, and a method for preparing the same. The polyarylene sulfide is characterized in that at least part of end groups of the main chain of the polyarylene sulfide is hydroxyl group (—OH), the polyarylene sulfide contains iodine bonded to its main chain and free iodine, and the content of iodine bonded to the main chain and free iodine is 10 to 10,000 ppmw.