Porous sheet material and its production

Details Porous sheet material and its production Porous sheet material and its production

1976-02-23

1978-02-07

Dixon, Jr., William R.

Coating processes

Foraminous product produced

Microporous coating

260 25AY, 264 455, 264 464, 427340, 427341, 428212, 428304, 428904, B05D 500

Patent

active

040727734

ABSTRACT:
A porous sheet material made of a polymeric material comprising mainly a polyurethane elastomer, which comprises a base layer of vertically penetrating vesicular structure and a surface layer of microporous structure integrally provided on at least one of the surfaces of the said base layer, which is suitable for the manufacture of a leather-like sheet product.

REFERENCES:
patent: 3208875 (1965-09-01), Holden
patent: 3284274 (1966-11-01), Hulslander et al.
patent: 3483015 (1969-12-01), Fukushima et al.
patent: 3515573 (1970-06-01), Japs
patent: 3895134 (1975-07-01), Kigane et al.
patent: 3929949 (1975-12-01), Day et al.
patent: 3968292 (1976-07-01), Pearman et al.

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