发明名称 |
WERKWIJZE TER BEREIDING VAN SMEERMIDDELTOEVOEGSELS ALSMEDE DEZE BEVATTENDE SMEERMIDDELEN. |
摘要 |
Bi-functional lubricant additives exhibiting dispersant and V.I. improving properties are obtained by the Mannich Condensation of an oxidized long-chain high molecular weight amorphous copolymer of essentially ethylene and propylene having a number average molecular weight of at least about 10,000 and at least 140 pendant methyl groups per 1,000 chain carbon atoms, with a formaldehyde yielding reactant and a primary or secondary amine or polyamine, said reactants being employed in the molar ratio of from about 1:2:2 to about 1:20:20, respectively. |
申请公布号 |
NL180109(B) |
申请公布日期 |
1986.08.01 |
申请号 |
NL19730010932 |
申请日期 |
1973.08.08 |
申请人 |
STANDARD OIL COMPANY TE CHICAGO, ILLINOIS, VER. ST. V. AM. |
发明人 |
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分类号 |
C08L23/00;C08F8/32;C08F210/18;C08F255/06;C08L61/00;C08L61/20;C08L101/00;C10M149/22;C10M159/12;C10M159/16;C10N20/04;C10N30/02;C10N30/04;C10N40/25 |
主分类号 |
C08L23/00 |
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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