<p>A lubricant composition comprises a base oil and a viscosity modifier including an ethylene/alpha-olefin interpolymer. The ethylene/alpha-olefin interpolymer has at least a hard segment and at least a soft segment. The soft segment contains a higher amount of comonomers than the hard segment. The hard segment has low crystallinity. The copolymer has a number of unique characteristics disclosed herein. Such copolymers offer the possibility of improved low temperature performance and flexibility in formulating motor oil, gear lubricants and greases, etc.</p>
申请公布号
EP2179013(A1)
申请公布日期
2010.04.28
申请号
EP20080781796
申请日期
2008.07.14
申请人
DOW GLOBAL TECHNOLOGIES INC.
发明人
LI PI SHAN, COLIN;KUHLMAN, ROGER;RATH, GARY;KENNY, PAMELA;HUGHES, MORGAN;CONG, RONGJUAN