Invention Grant
- Patent Title: Copolymer, rubber composition, and method of preparing the same
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Application No.: US16664146Application Date: 2019-10-25
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Publication No.: US11549003B2Publication Date: 2023-01-10
- Inventor: Ji Hyun Heo , June Park , Cheolbeom Bae , Sung Hoon Han , Se-Hee Jung
- Applicant: Korea Kumho Petrochemical Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: Korea Kumho Petrochemical Co., Ltd.
- Current Assignee: Korea Kumho Petrochemical Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Novick, Kim & Lee PLLC
- Agent Jae Youn Kim
- Priority: KR10-2019-0016506 20190213
- Main IPC: C08L9/06
- IPC: C08L9/06 ; C08F297/04
Abstract:
Disclosed is a copolymer including a first part including an aromatic vinyl-based monomer and a conjugated diene-based monomer; and a second part including an aromatic vinyl-based monomer and a conjugated diene-based monomer, wherein the content of the aromatic vinyl-based monomer is 35 to 45% by weight based on a total weight of the copolymer, and the copolymer satisfies Equation 1 below: V1>V2 wherein V1 is a vinyl content in the first part, and V2 is a vinyl content in the second part.
Public/Granted literature
- US20200255635A1 COPOLYMER, RUBBER COMPOSITION, AND METHOD OF PREPARING THE SAME Public/Granted day:2020-08-13
Information query
