Ion-absorbent sponge product

Details Ion-absorbent sponge product Ion-absorbent sponge product

1991-02-25

1992-11-10

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 35, 521 25, 521 30, 525417, 210688, 527312, 528341, 528342, C08G 1100, C08G 6926, C08J 520, B01D 1500

Patent

active

051624044

ABSTRACT:
A porous product for the removal of selected ions from water is made from an open-cell sponge of regenerated cellulose having uniformly distributed therein a high loading of insolubilized PEI. The insolubilized PEI does not significantly reduce the porosity of the sponge. The product has a pH in the range of 5.0 to 9.5, which thwarts microbial degradation of the moist product during storage in sealed containers.

REFERENCES:
patent: 3715339 (1973-02-01), Rainer
patent: 4332916 (1982-06-01), Thill
patent: 5096946 (1992-03-01), Rainer

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