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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.:

US 9328176 B1

PDFFull Text
Date of Patent:
May. 03, 2016

Filed:

Mar. 26, 2010

Functional styrene-butadiene copolymer

Applicants:

Gwanghoon Kwag, Daejeon, KR;

Hoo Chae Kim, Daejeon, KR;

Donghyuk NA, Daejeon, KR;

Hyun-jong Paik, Busan, KR;

Jongyeop Lee, Busan, KR;

Inventors:

Gwanghoon Kwag, Daejeon, KR;

Hoo Chae Kim, Daejeon, KR;

Donghyuk Na, Daejeon, KR;

Hyun-jong Paik, Busan, KR;

Jongyeop Lee, Busan, KR;

Assignee:

KOREA KUMHO PETROCHEMICAL CO., LTD., Seoul, KR;

Attorney:

Hauptman Ham, LLP

Primary Examiner:

Richard A Huhn

Int. Cl.
CPC ...
C08F 220/32 (2006.01); C08C 19/40 (2006.01); B60C 1/00 (2006.01); C08K 3/36 (2006.01); C08L 9/06 (2006.01); C08L 15/00 (2006.01); C08L 19/00 (2006.01); C08F 236/10 (2006.01); C08F 212/08 (2006.01); C08F 236/06 (2006.01); C08K 5/548 (2006.01); C08L 9/00 (2006.01);
U.S. Cl.
CPC ...
C08C 19/40 (2013.01); B60C 1/00 (2013.01); C08K 3/36 (2013.01); C08L 9/06 (2013.01); C08L 15/00 (2013.01); C08L 19/006 (2013.01); C08F 212/08 (2013.01); C08F 220/32 (2013.01); C08F 236/06 (2013.01); C08F 236/10 (2013.01); C08F 2220/325 (2013.01); C08F 2810/50 (2013.01); C08K 5/548 (2013.01); C08L 9/00 (2013.01);
Abstract

A functional styrene-butadiene copolymer is disclosed. More specifically, the copolymer is prepared by radical polymerization of a styrene monomer, a butadiene monomer and an epoxy acrylate monomer in an emulsion state and ring-opening of the resultant styrene-butadiene-epoxy acrylate copolymer. When blended with silica, the disclosed copolymer provides excellent wet stopping performance and superior wear resistance. Therefore, it can be usefully applied for industrial materials including fuel-efficient tires, snow tires, belts, hoses, etc.

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