Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising...http://www.google.es/patents/US7094835?utm_source=gb-gplus-sharePatente US7094835 - Elastic blends comprising crystalline polymer and crystallizable polymers of propylene
Elastic blends comprising crystalline polymer and crystallizable polymers of ...