| 发明名称 |
Process for preparing a dispersant/VI improver. |
| 摘要 |
Improved dispersant/VI improver luboil additives are produced by reacting a star polymer with an alpha, beta unsaturated carboxylic acid or derivative to form an activated star polymer, which is then reacted with a) an alkyl carboxylic acid and b) an alkylamine or alkane polyol, or with the preformed product of reactants a) and b).
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| 申请公布号 |
EP0364058(A2) |
申请公布日期 |
1990.04.18 |
| 申请号 |
EP19890202605 |
申请日期 |
1989.10.13 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
VAN ZON, ARIE;KLAVER, GERARDA JACOBA |
| 分类号 |
B01F17/52;C08F8/00;C08F8/30;C08F8/32;C08F279/02;C08F287/00;C08F297/04;C10M143/12;C10M159/12;C10N30/02;C10N30/04;C10N40/25;C10N60/00;C10N60/02 |
主分类号 |
B01F17/52 |
| 代理机构 |
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代理人 |
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