This invention relates to homogeneous blends of: 1) from 60 to 99 weight percent of one or more semi-crystalline polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-crystalline polymer comprising propylene and from 0 to 5 weight % alpha-olefin...http://www.google.es/patents/US7619038?utm_source=gb-gplus-sharePatente US7619038 - Homogeneous polymer blend and articles therefrom
