Showa Denko Plastic Products Co., Ltd.

Takao Nasu

Kazuyuki Watanabe

The object of the present invention is to provide a layered film which exhibits, when used as a sealant film, excellent openability, good clouding property, high water vapor barrier property and superior seal strength stability and which is suitable as a medical packaging material, and to provide a packaging product thereof. The layered film comprises at least two layers of a resin composition layer &lsqb;layer (A)&rsqb; comprising (a) from 60 to 90% by mass of linear low-density polyethylene produced using a single site catalyst and (b) from 40 to 10% by mass of a polybutene-1, and a high-density polyethylene layer &lsqb;layer (B)&rsqb; comprising (c) a high-density polyethylene having a density of 0.950 to 0.970 (g/cm ). The packaging product has the layer (A) of the layered film as a sealant layer.

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Oita, Japan

Takao Nasu