发明名称 |
Multifunctional viscosity index improver additive and lubricating oil composition containing same. |
摘要 |
<p>A polymeric lubricating oil additive containing pendant perfluoroaliphatic urethane units that behaves as a Viscosity Index Improver and a fuel economy enhancer when added to lubricating oil compositions. The polymeric substrate may be a copolymer of 15-85 mole % ethylene and propylene or a terpolymer of 15-85 mole % ethylene, propylene, and 20-80 mole% of a non-conjugated diene or triene (C3-C10) alpha olefin. The copolymer or terpolymer substrate has a molecular weight range of about 5,000 to about 500,000. A graft copolymer or terpolymer containing pendant isocyanate groups is prepared by reacting the ethylene propylene co- or terpolymer with an acrylating agent. Post-reacting the copolymer or terpolymer containing the pendant isocyanate group with a perfluoroaliphatic alcohol generates the additive.</p> |
申请公布号 |
EP0436295(A1) |
申请公布日期 |
1991.07.10 |
申请号 |
EP19900312841 |
申请日期 |
1990.11.26 |
申请人 |
TEXACO DEVELOPMENT CORPORATION |
发明人 |
DE ROSA, THOMAS FRANCIS;KAUFMAN, BENJAMIN JOSEPH;MILLER, EDWARD FREDERICK;JENNEJAHN, ROSEMARY JANE |
分类号 |
C10L1/236;C10M143/02;C10M143/14;C10M149/06 |
主分类号 |
C10L1/236 |
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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