No-gel latex foam

Details No-gel latex foam No-gel latex foam

1977-12-12

1979-09-25

Hoffman, James R.

Coating processes

Foraminous product produced

Filter, sponge, or foam

521 71, 264213, 521 88, 521148, 521150, B05D 136, B05D 302, B05D 704, B29D 2704

Patent

active

041691725

ABSTRACT:
A no-gel latex foam is formed by curing a no-gel latex foam froth on a water vapor-permeable foraminous support means comprising a backing material that has been coated with a water soluble release agent. During curing, the foam froth dehydrates through an upper free surface and at its lower supported surface through the release agent and the foraminous support means. The cured foam is then removed from the foraminous support means free of any backing material.

REFERENCES:
patent: 3243491 (1966-03-01), Bethe
patent: 3650995 (1972-03-01), Erickson

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