A process is disclosed which comprises reacting at elevated temperature (a) a copolymer of an olefin and a monomer having the structure <CHEM> wherein X and X<1> are the same or different provided that at least one of X and X<1> is such that the copolymer can function as a carboxylic acylating agent and (b) a succinimide prepared from an acyclic hydrocarbyl substituted succinic acylating agent and a polyamine wherein the hydrocarbyl substituted succinic acylating agent is prepared by reacting a polyolefin and an acylating agent of formula I under conditions such that at least 75 mole % of the starting polyolefin is converted to the hydrocarbyl-substituted succinic acylating agent. Hydrocarbyl substituted succinic acylating agents derived from high reactivity PIB's are preferred.
申请公布号
DE69527882(D1)
申请公布日期
2002.10.02
申请号
DE1995627882
申请日期
1995.05.01
申请人
LUBRIZOL ADIBIS HOLDINGS (UK) LTD., WIRRAL
发明人
BARR, DOUGLAS MCPHERSON;MORETON, DAVID JOHN;PSAILA, ALEXANDER FRANCIS