Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer between copolymer chains. Further,...http://www.google.es/patents/US20050131155?utm_source=gb-gplus-sharePatente US20050131155 - Blends made from propylene ethylene polymers
Número de solicitud: 11/049,318 Número de publicación: US 2005/0131155 A1 Fecha de presentación: 2 Feb 2005 Patente emitida: US7026405 ( Fecha de emisión 11 Abr 2006)