Polymeric dispersants prepared from copolymers of

专利名称：Polymeric dispersants prepared from

copolymers of low molecular weightpolyisobutene and unsaturated acidicreagent

发明人：Harrison, James J.,Ruhe, William R.,

Jr.,Nelson, Kenneth D.

申请号：EP02257690.4申请日：20021106公开号：EP1316564A3公开日：20060524

摘要：This invention is directed to a new low molecular weight copolymer (ThePIB/UAR copolymer) that may be prepared by reacting a low molecular weightpolyisobutene (PIB) having less than about 32 carbon atoms with an unsaturated acidicreagent in the presence of a free radical initiator. No chain transfer agent is required toprepare the low molecular weight PIB/UAR copolymer. The PIB/UAR copolymer may beuseful as is, or as an intermediate for (1) polysuccinimides, (2) detergents or dispersantsfor lube oil or fuels, (3) pour point depressants and (4) surface sizing agents for paper.The PIB/UAR copolymer may be used by itself or as the ester, amide, imide or metal saltderivative of the PIB/UAR copolymer. The PIB/UAR copolymer may be liquid at ambienttemperature.

申请人：Chevron Oronite Company LLC

地址：6001 Bollinger Canyon Road, Bldg. T 3rd Floor San Ramon, CA 94583-2324 US

国籍：US

代理机构：Nash, David Allan

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