Described is an aqueous composition comprising (a) at least one polyanion, (b) at least one ethoxylated cationic polymer, and (c) at least one phyllosilicate. The composition can be used for providing oxygen barrier properties to a polymer film.
所述的
水性组合物包含 (a) 至少一种聚阴离子、(b) 至少一种乙氧基化阳离子聚合物和 (c) 至少一种植
硅体。该组合物可用于为聚合物薄膜提供
氧气阻隔性能。