发明名称 |
Terpolymer alkylated phenol |
摘要 |
Phenols alkylated with high molecular weight ethylene-propylene-diene terpolymers are obtained in essentially quantitative yields and with no measurable fragmentation of terpolymer by reacting terpolymer with a large excess of phenol, in the presence of BF3 as catalyst, at alkylation temperatures of about 170 DEG -300 DEG F. The preferred terpolymers consist essentially of about 35-45 mole percent propylene, 65-55 mole percent ethylene, and about 1.0-2.5 mole percent of a 5-alkenyl-2-norbornene such as 5-ethylidene-2-norbornene. The novel terpolymer alkylated phenol compositions are useful as intermediates for the preparation of multifunctional addition agents for lubricating oils, for example addition agents having combined dispersant-viscosity index improving properties.
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申请公布号 |
US4070402(A) |
申请公布日期 |
1978.01.24 |
申请号 |
US19760667197 |
申请日期 |
1976.03.15 |
申请人 |
STANDARD OIL COMPANY |
发明人 |
KARLL, ROBERT E.;PIASEK, DECEASED, EDMUND J.;HUNT, ADMINISTRATRIX, BY EVELYN W. |
分类号 |
C08F8/02;(IPC1-7):C07C37/14;C07C39/12;C07C39/17;C07C39/18 |
主分类号 |
C08F8/02 |
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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