发明授权
US5356999A Multifunctional viscosity index improvers based on polymers containing sulfonamides 失效
基于含磺酰胺聚合物的多功能粘度指数改进剂

Multifunctional viscosity index improvers based on polymers containing
sulfonamides
摘要:
Multifunctional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted an unsaturated reactive monomer and thereafter reacted with amines containing sulfonamide units.
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