Disclosed is a normally solid, high molecular weight, non-linear, substantially gel-free, propylene polymer material characterized by high melt strength due to strain hardening which is believed to be caused by free-end long chain branches of the molecular chains forming the polymer....http://www.google.es/patents/US5414027?utm_source=gb-gplus-sharePatente US5414027 - High melt strength, propylene polymer, process for making it, and use thereof
High melt strength, propylene polymer, process for making it, and use thereof
