Patent ID: 6045924
Filing Date: 2000-04-04
Classification: B32B,C08J,C08K,C08L,Y10T

Abstract:
A film comprising:a) a seal layer;b) a bulk layer;c) an O.sub.2 -barrier layer derived from a blend comprising1) a polymer comprising mer units derived from vinylidene chloride,2) a processing aid polymer which is the polymerization product of a C.sub.1 -C.sub.12 alkyl ester of (meth)acrylic acid and one or more monomers having the general formula CH.sub.2 CR.sup.1 C(O)R.sup.2 wherein R.sup.1 is H or CH.sub.3 and R.sup.2 is(a) O(CH.sub.2).sub.n R.sup.3, or(b) NH(CH.sub.2).sub.n OH, in which n is an integer from 1 to 8 inclusive and R.sup.3 is an amino, hydroxyl, or oxirane group, and3) at least one of an HCl-scavenging compound and a dienophile; and(d) an abuse layer;said bulk layer being disposed between said O.sub.2 -barrier layer and said seal layer and said O.sub.2 -barrier layer being disposed between said bulk layer and said abuse layer.