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US5156758A Polymeric amides for multifunctional VI improvers 失效
用于多功能VI改进剂的聚合酰胺

Polymeric amides for multifunctional VI improvers
摘要:
A terpolymer having the formula: ##STR1## wherein n=0 to 12; x is about 15 to about 75 mole percent; y is about 25 to about 85 mole percent; z is about 0.1 to about 10 mole percent; R.sub.1 and R.sub.3 equal to H, C.sub.1 -C.sub.10 alkyl, alkyl amino, alkylpolyamino, alkyl amino ether, alkyl amino alcohol groups and R.sub.2 is an alkyl group having about 1 to about 8 carbon atoms.
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