Product for the absorption of dissolved ions

Details Product for the absorption of dissolved ions Product for the absorption of dissolved ions

1991-03-13

1992-12-08

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, 210688, 106168, 525417, 527312, 528341, 528342, C08L 1100, C08J 520, B01D 1500, C08G 6926

Patent

active

051698838

ABSTRACT:
An open celled sponge product for ion absorption is provided comprised of regenerated cellulose wall material and insolubilized polyethyleneimime (PEI) derived from the interaction of PEI with a polyfunctional carboxylic acid. The insolubilized PEI is further caused to contain ionized tertiary amino nitrogen groups which increase the selective absorption capacity of the product for certain anions.

REFERENCES:
patent: 3580891 (1971-05-01), Rainer
patent: 3715339 (1973-02-01), Rainer
patent: 4332916 (1982-06-01), Thill
patent: 5096946 (1992-03-01), Rainer
CA115 (12): 118065w, "Polymer Treated Sponge Product for Selective Absorption of Metal Ions", Norman Rainer.

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