Propylene-based elastomers and uses thereof

Details Propylene-based elastomers and uses thereof Propylene-based elastomers and uses thereof

C - Chemistry, Metallurgy

08

F

C08F 210/06 (2006.01) C08F 8/00 (2006.01) C08F 210/18 (2006.01) C08L 23/16 (2006.01)

Patent

CA 2546075

The present invention provides curable and cured propylene-based elastomers, optionally including a diene, and having isotactic polypropylene crystallinity, a melting point by DSC equal to or less than 110~C, and a heat of fusion of from 5 J/g to 50 J/g. The present invention also provides blend compositions comprising any of the propylene-based elastomers described herein. The present invention also provides compositions comprising any of the propylene-based elastomers described herein and 1 to 100 parts by weight of inorganic filler per 100 parts of polymer. The present invention also provides films, fibers, non-wovens, molded objects, and extruded forms which include any of the inventive compositions described herein.

L'invention concerne des élastomères à base de propylène durcis et durcissables, contenant éventuellement un diène, et possédant une cristallinité de polypropylène isostatique, un point de fusion par ACD supérieur ou égal à 110 ·C, et une température de fusion de 5 J/g à 50J/g. L'invention porte également sur des compositions mélangées comprenant un des élastomères à base de propylène décrits. Elle se rapporte encore à des compositions comprenant un des élastomères à base de propylène décrits et 1 à 100 parties en poids de charge inorganique pour 100 parties de polymère. Elle concerne des films, des fibres, des non-tissés, des objets moulés et des formes extrudées comprenant une des compositions de l'invention décrites.

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