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:
Feb. 03, 2015
Filed:
Mar. 22, 2011
Applicants:
Joel M Pollino, Alpharetta, GA (US);
Joachim C Ritter, Wilmington, DE (US);
Inventors:
Joel M Pollino, Alpharetta, GA (US);
Joachim C Ritter, Wilmington, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 75/16 (2006.01); C08K 5/053 (2006.01); C08J 3/20 (2006.01); C08J 3/24 (2006.01); C08K 5/13 (2006.01); C08K 5/134 (2006.01);
U.S. Cl.
CPC ...
C08K 5/053 (2013.01); C08J 3/20 (2013.01); C08J 3/24 (2013.01); C08K 5/13 (2013.01); C08K 5/134 (2013.01); C08J 2481/02 (2013.01);
Abstract
A method for accelerating the curing of a polyarylene sulfide. The polyarylene sulfide is blended with a cure accelerator to form a mixture where the weight percentage of accelerator is between 0.2% and 15.0% of the total weight of the blend. The mixture is cured at 320° C. or above for at least 20 minutes. The cure accelerator is a compound selected from the group consisting of ionomers, hindered phenols, polyhydric alcohols, polycarboxylates, and mixtures of the foregoing.