Fluid transmitting polyolefin foams and method of making the sam

Details Fluid transmitting polyolefin foams and method of making the sam Fluid transmitting polyolefin foams and method of making the sam

1979-01-22

1983-05-17

Foelak, Morton

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

264DIG5, 521 87, 521 88, 521 95, 521139, 521140, 521910, 521134, 525227, 525229, 525238, 525240, B32B 2732, C08J 900

Patent

active

043840329

ABSTRACT:
A fluid transmitting polyolefin foam having a special open-cell cellular structure as compared with the conventional polyolefin foams having all cells closed is disclosed. Such a novel fluid transmitting polyolefin foam is produced by mixing a polyolefin with a polymer other than a polyolefin, said polyolefin and/or said polymer other than a polyolefin having a blowing agent incorporated therein and/or adhered thereto and subjecting the resulting mixture to extrusion moulding. The present fluid transmitting polyolefin foam has a wide variety of uses, for example, as a synthetic leather, synthetic filter cloth, separator of storage battery, synthetic paper, package, etc.

REFERENCES:
patent: 2681377 (1954-06-01), Smithers
patent: 3065190 (1962-11-01), Chisholm et al.
patent: 3285865 (1966-11-01), Del Bene et al.
patent: 3379802 (1968-04-01), Raley et al.
patent: 3399098 (1968-08-01), Omoto et al.
patent: 3474049 (1969-10-01), Chappelear et al.
patent: 3474051 (1969-10-01), Chappelear et al.
patent: 3558753 (1971-01-01), Edlin

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