Insoluble polyelectrolyte and ion-exchange hollow fiber impregna

Details Insoluble polyelectrolyte and ion-exchange hollow fiber impregna Insoluble polyelectrolyte and ion-exchange hollow fiber impregna

1974-04-04

1977-03-29

Spear, Jr., Frank A.

Liquid purification or separation

Filter

Material

260 21E, 260 22R, B01D 3100, B01D 1300

Patent

active

040147983

ABSTRACT:
The number of quaternary sites and ion-exchange capacity of a polyquaternary, cross-linked, insoluble copolymer of a vinyl pyridine and a dihalo organic compound is increased by about 15-35% by reaction of the polymer with an amine followed by quaternization, if required. The polymer forms spontaneously in the presence of a substrate such as within the pores of a hollow fiber. The improved resin impregnated fiber may be utilized to remove ions from waste or process streams.

REFERENCES:
patent: 3342729 (1967-09-01), Strand
patent: 3423491 (1969-01-01), McLain et al.
patent: 3425937 (1974-02-01), Weiss et al.
patent: 3754055 (1973-08-01), Rembaum
patent: 3840634 (1974-08-01), Chiolle et al.

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