Highly absorbent polyurethane foam

Details Highly absorbent polyurethane foam Highly absorbent polyurethane foam

1989-04-12

1991-01-15

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 841, 5211091, 521137, 521905, C08G 1814

Patent

active

049854674

ABSTRACT:
A highly hydrophilic polyurethane article, which is the skeletal network of a cellular polyurethane foam subjected to a reticulation process wherein the polyurethane contains up to 100 parts of a superabsorbent material per hundred parts of polyol used in preparing the polyurethane, is useful in absorbing and holding large amounts of aqueous liquids is prepared by:

REFERENCES:
patent: 3021290 (1962-02-01), Gmitter et al.
patent: 3171820 (1965-03-01), Volz
patent: 3175025 (1965-03-01), Green et al.
patent: 4359558 (1982-11-01), Gould et al.
patent: 4394930 (1983-07-01), Korpman
patent: 4521544 (1985-06-01), Kennedy
patent: 4731391 (1988-03-01), Garvey

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