Korea Kumho Petrochemical Co., Ltd.

Iowa State University Research Foundation, Inc.

Kumho Petrochemical

Dong Eun Kang

Gwanghoon Kwag

Aaron David Sadow

Hanbaek Lee

Bradley M Schmidt

Jae Yun Kim

Yeong Min Jung

Eun Kyung Noh

Junhoo Park

Soo Jung Park

An embodiment of the present specification provides a rubber composition for a tire tread, comprising: a rubber polymer; a petroleum resin; and a functionalized processing aid, wherein the functionalized processing aid is a bond of a silane-based compound and a cardanol-derived structure, represented by the following formula 1:(R)Si—R—Z-(E)  [Formula

Rubber composition for tire tread and manufacturing method thereof

Proposed is a rubber composition for a tire tread, which includes: a solution-polymerized elastomer having a conjugated diene-based monomer unit, a solution-polymerized elastomer having an aromatic vinyl monomer unit and a conjugated diene-based monomer unit, or a combination thereof, at 100 parts by weight; and a plasticizer containing an aromatic petroleum resin and an aliphatic olefin polymer, at 10 to 50 parts by weight. Further, a manufacturing method of the rubber composition for a tire tread is proposed.

The present invention relates to a modified polymer having the structure of Formula (I) and Formula (IV): R, R, R, a, and n are as described herein and R, R', R&#x2033;, x, and k are as described herein and methods for preparation thereof. The present invention also relates to a compound having the structure of Formula (II):

End group functionalization agents for polydiene

Embodiments of the present invention provide a functionalized processing aid represented by the following Chemical Formula 1 in which a silane-based compound and a cardanol-derived structure are combined, a preparation method thereof, and a rubber composition including the same:(R)Si&#x2014;R&#x2014;Z-(E)&#x2003;&#x2003;[Chemical Formula 1]

Functionalized processing aid, preparation method thereof, and rubber composition including the same

The present invention relates to a modified polymer having the structure of Formula (I) and Formula (IV): wherein A, R, R, R, a, and n are as described herein and wherein R, R', R&#x2033;, x, and k are as described herein and methods for preparation thereof. The present invention also relates to a compound having the structure of Formula (II): wherein A, R, R, R, a, and n are as described herein. The present invention also relates to a process for polymerizing unsaturated hydrocarbon monomers.

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Daejeon, South Korea

Dong Eun Kang