A composition includes greater than 50% by weight such as between 51% and 99% by weight, of a first PVdC copolymer having a weight average molecular weight of between 80,000 and 125,000, and less than 50% by weight, such as between 1% and 49%, by weight of a second PVdC copolymer having a weight average...http://www.google.fr/patents/US6479162?utm_source=gb-gplus-shareBrevet US6479162 - Vinylidene chloride polymer composition and film
