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.fr/patents/US20040116609?utm_source=gb-gplus-shareBrevet US20040116609 - Elastic blends comprising crystalline polymer and crystallizable polymers of propylene
Elastic blends comprising crystalline polymer and crystallizable polymers of ...
Numéro de demande: 10/613,374 Numéro de publication: US 2004/0116609 A1 Date de dépôt: 3 juil. 2003 Brevet délivré: US6927258 ( Date de délivrance 9 août 2005)
