申请人:Evonik Operations GmbH
公开号:US20220306962A1
公开(公告)日:2022-09-29
The invention relates to a poly alkyl(meth)acrylate polymer comprising polybutadiene-based monomer units and a process for preparing the same. The invention also relates to the use of said polymer as a viscosity index improver in lubricant formulation and to lubricant compositions comprising said polymer.