发明名称 |
Copolymers usable as multifunctional additives for lubricants and lubricating compositions containing said copolymers |
摘要 |
Modified copolymers usable as additives for lubricants and having antiwear and viscosity index-improving properties are prepared by the modification of ethylene-propylene copolymers or ethylene-propylene-diene terpolymers in such a was as to fix the sulphur and phosphorus. Such modified copolymers contain 0.2 to 2% phosphorus, and 0.4 to 4% sulphur and are used in a lubricating composition at a rate of 0.25 to 10%.
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申请公布号 |
US5366649(A) |
申请公布日期 |
1994.11.22 |
申请号 |
US19930076680 |
申请日期 |
1993.06.15 |
申请人 |
INSTITUT FRANCAIS DU PETROLE |
发明人 |
DURAND, JEAN-PIERRE;KEROMEST, CATHERINE;BORN, MAURICE |
分类号 |
C08F8/40;(IPC1-7):C10M157/08;C10M157/06;C08F220/38 |
主分类号 |
C08F8/40 |
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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