申请人:Price David
公开号:US20100152082A1
公开(公告)日:2010-06-17
The invention provides a lubricating composition containing an oil of lubricating viscosity and a hydrogenated copolymer of an olefin block and vinyl aromatic block, wherein the copolymer is optionally functionalised. The invention further provides a method for preparing a hydrogenated copolymer; and the use of the lubricating composition.