IONOMER-POLY(VINYLALCOHOL) BLENDS AND COATINGS

摘要

Disclosed are compositions comprising a blend of a poly(vinyl alcohol) composition comprising a poly(vinyl alcohol) characterized by (i) a hydrolysis level of from 80 to 94 mole % and a 4 weight % aqueous viscosity of 15 centipoise (cP) or less; or (ii) a hydrolysis level of 95 mole % to 100 %; and an ionomer comprising a parent acid copolymer that comprises ethylene and 18 to 30 weight % of acrylic acid or methacrylic acid, the acid copolymer having a melt flow rate from 200 to 1000 g/10 min., wherein 50% to 70% of the carboxylic acid groups of the copolymer are neutralized to carboxylic acid salts comprising potassium cations, sodium cations or combinations thereof. Articles and multilayer structures comprising the blend composition on a substrate and methods for their preparation are also disclosed.