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. 18, 2014
Filed:
Nov. 06, 2012
Applicant:
Chi Mei Corporation, Tainan, TW;
Inventors:
Chih-Cheng Lee, Tainan, TW;
Kuei-Lun Cheng, Tainan, TW;
Assignee:
Chi Mei Corporation, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/42 (2006.01); C08F 36/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A modified conjugated diene polymer and a manufacturing method for the same are provided. The modified conjugated diene polymer is manufactured by the method including, forming a conjugated diene polymer by a polymerization step and making it react with a first modifier and then react with a second modifier. The modified conjugated diene polymer has over 97% of cis-1,4 structure. A PDI of the modified conjugated diene polymer is bigger than 1.8 and smaller than 2.5. The first modifier has a chemical formula of X—R1-Si(R2). The second modifier has a chemical formula of R3-Si(R4).