Patent ID: 6818151
Filing Date: 2004-11-16
Classification: C08K,C08L,Y10T

Abstract:
An oxygen barrier composition, comprising:an oxygen barrier copolymer comprising repeating units having the formula (I), and repeating units having formula (II), wherein R is hydrogen or methyl; X is â€”(C&boxH;O)â€”Oâ€”, â€”Oâ€”(C&boxH;O)â€”, â€”(C&boxH;O)â€”NHâ€”, â€”Oâ€”; t is 0 or 1; s is an integer between 0 and 12, inclusive; J is a cycloalkenyl group; andwherein the composition comprises at least about 50 mole % of repeating units having formula (I) and at least about 2 mole % of repeating units having formula (II).