Patent ID: 7291681
Filing Date: 2007-11-06
Classification: C08F,C10L

Abstract:
1. A polyisobutenamine of the formula I: where R is a polyisobutenyl radical having a number average molecular weight M X is a radical of the formula II where k and l, independently of one another, are 0 or 1, A is methylene or phenylene, Z is oxygen or NR′, where R′ is hydrogen, alkyl, hydroxyalkyl, aminoalkyl, cycloalkyl, aryl, aralkyl or a group —Y—NR —Y— is a group where Alk is C R R R i) isobutene is polymerized in the presence of an initiator system comprising: ii) a radical having amino groups is introduced at the olefinic double bonds of the polyisobutene obtained in step i).