发明授权
- 专利标题: Lube oil additive
- 专利标题(中): 润滑油添加剂
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申请号: US203073申请日: 1980-10-31
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公开(公告)号: US4358565A公开(公告)日: 1982-11-09
- 发明人: Rudolf J. A. Eckert
- 申请人: Rudolf J. A. Eckert
- 申请人地址: TX Houston
- 专利权人: Shell Oil Company
- 当前专利权人: Shell Oil Company
- 当前专利权人地址: TX Houston
- 优先权: GBX7939785 19791116
- 主分类号: C10M107/42
- IPC分类号: C10M107/42 ; C08C19/44 ; C08F8/00 ; C08F8/04 ; C08F279/02 ; C08F285/00 ; C08F287/00 ; C10L1/00 ; C10M149/10 ; C10N20/04 ; C10N60/02 ; C08F255/02 ; C10M1/32 ; C10M3/26 ; C10M5/20
摘要:
A modified hydrogenated star-shaped polymer comprising a nucleus, e.g., divinylbenzene, with polymeric arms linked to it is prepared by grafting a hydrogenated star-shaped polymer with a nitrogen-containing polymerizable polar organic compound, e.g., 2-vinylpyridine or 4-vinylpyridine. Such polymers are useful as viscosity index improvers for lube oil compositions, and also possess dispersancy.
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