Multifunctional viscosity index improver derived from polyamine containing one primary amine group and at least one secondary amine group and degraded ethylene copolymer
- 申请公布号：
- US5290868(A)
- 申请号：
- US19920945825
- 申请日期：
- 1992.09.16
- 申请公布日期：
- 1994.03.01
- 申请人：
- EXXON CHEMICAL PATENTS INC.
- 发明人：
- CHUNG, DAVID Y.;GUTIERREZ, ANTONIO;STRUGLINSKI, MARK J.
- 分类号：
- C10L1/234;C08F8/14;C08F8/32;C08F255/02;C10L1/236;C10M143/02;C10M149/02;C10M149/06;C10M151/02;C10M159/12;C10M171/04;(IPC1-7):C08F255/04;C10M145/00
- 主分类号：
- C10L1/234
- 摘要：
- An oil soluble nitrogen containing grafted degraded ethylene copolymers useful as multifunctional viscosity index improvers or modifiers, such as VI improver-dispersant additives. The nitrogen containing grafted degraded ethylene copolymers are grafted with an ethylenically unsaturated carboxylic acid grafting material and the grafted degraded ethylene copolymers are then reacted with at least one polyamine containing one primary amine group and at least one or more secondary amine groups.
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