Polymeric compounds having urethane and sulfonate groups

Details Polymeric compounds having urethane and sulfonate groups Polymeric compounds having urethane and sulfonate groups

1991-02-05

1992-11-10

Welsh, Maurice J.

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

Synthetic resins

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

525123, 525353, 525452, 525460, 525480, 525528, 525534, C08F 0800

Patent

active

051624311

ABSTRACT:
A polymeric compound is derived from a polyhydric material and has pendant sulphonate groups of the general formula ##STR1## and pendant alkyl urethane groups of the formula ##STR2## where X is an aliphatic, aromatic, carboxylic or heterocyclic group; Y is hydrogen, halogen or an alkyl, aryl, alkoxy, aryloxy or aralkyl group, CO.sub.2.sup.- Z.sup.+, CO.sub.2 R or SO.sub.3.sup.- Z.sup.+ ; Z.sup.+ is a cationic counter ion and R is hydrogen alkyl, alkylene, aryl or aralkyl group.

REFERENCES:
patent: 4770804 (1988-09-01), Hentschel et al.
patent: 5120799 (1992-06-01), Wade et al.

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