Macroreticular cation exchange beads and preparation of same

Details Macroreticular cation exchange beads and preparation of same Macroreticular cation exchange beads and preparation of same

1979-05-21

1981-03-17

Anderson, Harold D.

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 29, 521 31, 521 38, C08F 830, C08F 834, C08F 840, C08F 846

Patent

active

042568404

ABSTRACT:
Process for preparing cation exchange resin having macroreticular structure, high surface area and lowered apparent density from a macroreticulated copolymer produced by copolymerizing a mixture of a monoethylenically unsaturated monomer and a polyethylenically unsaturated monomer dissolved in an organic liquid which is a solvent for said monomers but unable to substantially swell the resulting copolymer, and macroreticulated cation exchange resin beads produced by the process.

REFERENCES:
patent: 2366008 (1944-12-01), D'Alelio
patent: 2500149 (1950-03-01), Boyer
patent: 2540984 (1951-02-01), Jackson
patent: 2591573 (1952-04-01), McBurney
patent: 2591574 (1952-04-01), McBurney
patent: 2597440 (1952-05-01), Bodamer
patent: 2629710 (1953-02-01), McBurney
patent: 2643995 (1953-06-01), Park
patent: 2862892 (1958-12-01), Hwa
patent: 3549562 (1970-12-01), Mindick et al.
patent: 3586646 (1971-06-01), Corte et al.
Abrams-Industrial Engineering Chemistry, vol. 48, pp. 1469-1472 (1956).
Schildknecht-Polymer Processes, pp. 82-83, (1956), Interscience.

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