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:
Dec. 19, 2006
Filed:
Sep. 14, 2004
Young-chang Jang, Taejeon, KR;
Hyung-kyu Choi, Taejeon, KR;
Shin Han, Taejeon, KR;
Young-hoon Ko, Taejeon, KR;
Young-Chang Jang, Taejeon, KR;
Hyung-Kyu Choi, Taejeon, KR;
Shin Han, Taejeon, KR;
Young-Hoon Ko, Taejeon, KR;
Korea Kumho Petrochemical Co., Ltd., Seoul, KR;
Abstract
The present invention provides a method for preparing a copolymer useful for the manufacture of tires by coupling the ends of a living polymer, obtained from copolymerization of a diene monomers in the presence of an organolithium initiator and a hydrocarbon solvent, with a multi-reactive polysiloxane compound, and subsequently modifying the remaining uncoupled ends of the polymer with an amine compound. The use of the copolymer thus obtained for tire production improves the affinity to silica and greatly enhances the dynamic properties required for tires, such as wet traction and rolling resistance.