Patent ID: 7091285
Filing Date: 2006-08-15
Classification: C08F,Y10S

Abstract:
1. A PIB adduct comprising a reaction product of a reaction between (1) a mid-range vinylidene content PIB polymer composition comprising PIB molecules, wherein a first portion of said PIB molecules have alpha position double bonds and a second portion of said PIB molecules have beta position double bonds, wherein said first and second portions together include at least 90% of the PIB molecules of the composition, wherein said first portion includes less than 70% of the PIB molecules of the composition, and wherein no more than about 10% of the PIB molecules of the composition have tetra-substituted internal double bonds, said composition having a polydispersity of no more than 2.0, and (2) an additive material comprising maleic anhydride, a phenolic compound or a compound having a reactive site for subsequent amination.