Process for the preparation of crosslinked, sulfonated styrene p

Details Process for the preparation of crosslinked, sulfonated styrene p Process for the preparation of crosslinked, sulfonated styrene p

1982-07-21

1984-05-15

Henderson, C. A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525344, 5253593, 5253595, 525384, C08F 836, C08F 800

Patent

active

044489358

ABSTRACT:
Polystyrene and styrene copolymers are simultaneously crosslinked and sulfonated in a homogeneous reaction mixture by incorporation of from 0.1 to 5 mole percent of specific crosslinking reagents in the polymer sulfonating solution. The crosslinking reagents are selected aryl compounds having at least two --CH.sub.2 X radicals where X is hydroxyl, chlorine or bromine.

REFERENCES:
patent: 3423335 (1969-01-01), Phillips
patent: 3560428 (1971-02-01), Bilow
Royals, E. E., Advanced Organic Chem., Prentice Hall, N.J., p. 469 (1956).

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