Separating agent with fluoroalkyl group

Details Separating agent with fluoroalkyl group Separating agent with fluoroalkyl group

1986-04-09

1987-09-29

Therkorn, Ernest G.

Liquid purification or separation

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Material

210635, 2101982, 502402, 521 53, 521140, 521149, 5253295, 5253593, 5253594, B01D 1508, C08J 936

Patent

active

046967451

ABSTRACT:
A method for producing a separating agent having a fluorine-containing group and a hydrophilic group, wherein a cross-linking component consisting of alkylene di(meth)acrylate and/or glycerine poly(meth)acrylate, and a principal chain component consisting of ester and/or ether having therein a polymerizable vinyl group or isopropenyl group and a functional group are subjected to suspension-polymerization to obtain a cross-linked copolymer, and then the functional group in the copolymer is subjected to chemical modification with a fluorine-containing compound or with both fluorine-containing compound and hydrophilic-group-containing compound. The separating agent of the present invention consists essentially of porous cross-linked copolymer particles having porosity in a range of from 0.5 to 3 ml/g and an average particle size in a range of from 1 to 2,000 .mu.m.

REFERENCES:
patent: 3873514 (1975-03-01), Chu
patent: 4094832 (1978-06-01), Soderberg
patent: 4094833 (1978-06-01), Johansson
patent: 4118347 (1978-10-01), Ishiguro
patent: 4322310 (1982-03-01), House
patent: 4324681 (1982-04-01), House
patent: 4505822 (1985-03-01), Blomback
patent: 4522724 (1985-06-01), Ramsden
patent: 4565832 (1986-01-01), Kobashi

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