Process for preparation of porous sheets

Details Process for preparation of porous sheets Process for preparation of porous sheets

1986-12-01

1988-08-30

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

264 453, 264147, 2642888, C08J 900, B29C 6720, B29C 5502

Patent

active

047675802

ABSTRACT:
A porous sheet having a good softness and being excellent in moisture permeability, water resistance and mechanical strength characteristics such as tensile strength and tear strength is obtained by forming into a sheet a composition comprising 100 parts by weight of a polyolefin resin, 50 to 400 parts by weight of a filler and 0.1 to 10 parts by weight of a silicone oil, and drawing the sheet.

REFERENCES:
patent: 4331622 (1982-05-01), Doi et al.
patent: 4472328 (1984-09-01), Sugimoto et al.

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