发明名称 |
MIXED DISPERSANTS FOR LUBRICANTS |
摘要 |
A dispersant composition comprising the product of an amine, an alcohol, or an amino alcohol, with a hydrocarbyl-substituted succinic anhydride component exhibits improved viscosity stability and reduced chlorine content, when the hydrocarbyl-substituted succinic anhydride component comprises: (a) 10 to 95 weight percent of a component prepared by reacting a polyisobutylene with maleic anhydride in the presence of chlorine; and (b) 5 to 90 weight percent of a component prepared by reacting a polyisobutylene with maleic anhydride in the substantial absence of chlorine.
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申请公布号 |
CA2535107(A1) |
申请公布日期 |
2005.02.10 |
申请号 |
CA20042535107 |
申请日期 |
2004.07.26 |
申请人 |
THE LUBRIZOL CORPORATION |
发明人 |
EVELAND, RENEE A.;WILBY, ROBERT IAN;CARRICK, VIRGINIA A.;KOCH, FREDERICK W.;ABRAHAM, WILLIAM D.;LAMB, GORDON D. |
分类号 |
C10M133/56;C10M129/42;C10M133/46;C10M133/58;C10M169/04 |
主分类号 |
C10M133/56 |
代理机构 |
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代理人 |
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地址 |
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