发明名称 |
Elastomeric copolymer of aromatic vinyl compounds and butadiene. |
摘要 |
<p>An elastomeric copolymer of an aromatic vinyl compound and butadiene prepared by a solution polymerization method, which has a glass transition temperature of not less than -50°C and contains polymer chains modified with a trifunctional or tetrafunctional coupling agent, and which contains not less than 3 % by weight to less than 23 % by weight, based on the whole polymer chains, of polymer chains having a molecular weight of at least 5 times a molecular weight corresponding to a peak appearing on the low molecular weight side of a high performance liquid chromatogram of the elastomeric copolymer. The elastomer- ic copolymer has an excellent processability and shows a low rolling resistance and a high wet grip characteristic when used as a rubber component in tires.</p> |
申请公布号 |
EP0153697(A2) |
申请公布日期 |
1985.09.04 |
申请号 |
EP19850101864 |
申请日期 |
1985.02.21 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED;SUMITOMO RUBBER INDUSTRIES LIMITED |
发明人 |
YOSHIDA, NOBUYUKI;OKAMOTO, YASUSHI;IMAI, AKIO;SEKI, TOMOAKI;FURUKAWA, HIROSHI;SAITO, YUICHI |
分类号 |
C08F236/00;C08C19/30;C08C19/44;C08F8/00;C08F212/00;C08F212/06;C08F236/10 |
主分类号 |
C08F236/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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