Method for producing a liquid impermeable, gas permeable foam ba

Details Method for producing a liquid impermeable, gas permeable foam ba Method for producing a liquid impermeable, gas permeable foam ba

1989-02-27

1991-05-28

Lawrence, Evan

Coating processes

Foraminous product produced

Microporous coating

427369, 427381, 4273934, 427412, B05D 500

Patent

active

050194224

ABSTRACT:
A foam barrier system which is liquid impermeable and gas permeable is prepared by coating a polymeric, microporous foam upon a substrate, applying a composition having liquid repellency properties to the foam coated upon the substrate, and curing.

REFERENCES:
patent: 3567565 (1967-11-01), Jones et al.
patent: 3615970 (1969-01-01), May
patent: 3713868 (1973-01-01), Gordon et al.
patent: 3862291 (1975-01-01), Braudon, Jr. et al.
patent: 3919451 (1975-11-01), Levy et al.
patent: 4146027 (1979-03-01), Hoey
patent: 4362774 (1982-12-01), Brandon, Jr. et al.
patent: 4499139 (1985-02-01), Schortmann
patent: 4761326 (1988-08-01), Barnes et al.

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