Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1997-09-10
1999-08-17
Bell, James J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
4283044, 428910, B32B 326
Patent
active
059391812
ABSTRACT:
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).
REFERENCES:
patent: 5670225 (1997-09-01), Yamanaka et al.
Aritomi Mitsutoshi
Kumano Yuuta
Nakajima Kenji
Nishizawa Osamu
Ochiai Hisao
Bell James J.
Oji-Yuka Synthetic Paper Co., Ltd.
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