Phenylenesulfonate group-containing organopolysiloxanes, method

Details Phenylenesulfonate group-containing organopolysiloxanes, method Phenylenesulfonate group-containing organopolysiloxanes, method

1986-05-21

1987-03-03

Shaver, Paul F.

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

Synthetic resins

From silicon reactant having at least one...

556 9, 556 10, 556428, 528 9, 528 25, 528 33, 528 34, C08G 7722, C07F 708, C07F 506, C07F 728

Patent

active

046476440

ABSTRACT:
Phenylenesulfonate group-containing organopolysiloxanes are disclosed consisting of units represented by the formula: ##STR1## in which R.sup.1 represents --CH.sub.2 --CH.sub.2 -- or CH.sub.3 --CH<, x is equal to a number from 1 to 4 depending on M, and M represents hydrogen or a 1-4 valent metal ion or NH.sub.4, and the free valences of the oxygen atoms are saturated by silicon atoms of further groups of formula (1) and/or by cross-linking agents and/or by nonsulfonated phenylene units represented by the formula: ##STR2## A method for the preparation of the phenylenesulfonate group containing organopolysiloxanes, as well as the use of said substances as strongly acidic cation exchangers is also disclosed.

REFERENCES:
patent: 4424332 (1984-01-01), Panster et al.
patent: 4455415 (1984-06-01), Panster et al.

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