Oji-yuka Synthetic Paper Co., Ltd.

Osamu Nishizawa

Kenji Takasaki

Mitsutoshi Aritomi

Nobuhiro Shibuya

Kenji Nakajima

Yuuta Kumano

Hisao Ochiai

A porous molded article having microvoids therein which comprises a stretched product of a resin molded material made up of, as the base material, an olefinic resin composition containing from 95 to 50% by weight of a crystalline olefinic resin component (A) and from 5 to 50% by weight of a polymer of a cyclic olefin having a weight average molecular weight of not less than 1,000 and less than 10,000 and a glass transition point of from 180 to 400.degree. C. component (B).

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Mie, Japan

Osamu Nishizawa