Patent ID: 7550538
Filing Date: 2009-06-23
Classification: C08F,C08L

Abstract:
1. A chlorosulfonated propylene/olefin copolymer composition comprising at least one chlorosulfonated propylene/olefin copolymer having 0.5 to 55 weight percent chlorine and 0.15 to 5 weight percent sulfur, based on total weight of said chlorosulfonated propylene/olefin copolymer, and wherein said chlorosulfonated propylene/olefin copolymer is produced from a propylene/olefin copolymer comprising copolymerized units of 70 to 98 weight percent propylene and 2 to 30 weight percent, based on total weight of said propylene/olefin copolymer, of an olefin selected from the group consisting of i) ethylene and ii) an alpha-olefin having 4 to 20 carbon atoms, said propylene/olefin copolymer having a ratio of Mw/Mn less than 3.5.