发明名称 |
Process for production of rubber composition |
摘要 |
<p>(i) A starting rubber (A) comprising a terminal-modified and/or coupled diene rubber and having an average glass transition temperature TgA ( DEG C) is mixed with a specific amount of the reinforcing agent are mixed at a temperature of at least 135 DEG C, followed by adding a starting rubber (B) comprising a terminal unmodified diene rubber and having a specific average glass transition temperature TgB ( DEG C), and the remaining reinforcing agent and a softening agent; (ii) a starting diene rubber (A') having a specific weight average molecular weight Mw(A') and average glass transition temperature TgA' ( DEG C) is contacted with a reinforcing agent, followed by adding a starting diene rubber (B') having a specific weight average molecular weight Mw(B) and average glass transition temperature TgB' ( DEG C), and a softening agent to produce a rubber composition; or (iii) 100 parts by weight of a starting rubber comprising a starting rubber (A") comprising 20 to 100% by weight of a terminal-modified and/or coupled diene rubber and a starting rubber (B") comprising a terminal-unmodified and/or uncoupled rubber are mixed with a specific carbon black (X) in specific amounts at a temperature of at least 135 DEG C, followed by adding the starting rubber (B") and the remaining carbon black and a softening agent.</p> |
申请公布号 |
EP1277797(A2) |
申请公布日期 |
2003.01.22 |
申请号 |
EP20020022400 |
申请日期 |
1996.12.12 |
申请人 |
THE YOKOHAMA RUBBER CO., LTD. |
发明人 |
YATSUYANAGI, FUMITO;KAIDO, HIROYUKI;KAWAZURA, TETSUJI |
分类号 |
C08L15/00;(IPC1-7):C08L15/00;C08J3/22;C08L21/00;C08C19/32;C08K3/04 |
主分类号 |
C08L15/00 |
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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