Novel polyelectrolyte copolymer and mixed polymers and composite

Details Novel polyelectrolyte copolymer and mixed polymers and composite Novel polyelectrolyte copolymer and mixed polymers and composite

1988-07-08

1991-04-16

Marquis, Melvyn I.

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

Synthetic resins

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

525178, 525193, 525203, 525204, 428367, C08F 830

Patent

active

050083392

ABSTRACT:
A mixed polymer material is formed of a polyelectrolyte ternary copolymer having a hydrophobic backbone and containing 10 to 90 percent unsubstituted portions and the remainder being substituted with hydrophilic groups such as a styrene ternary copolymer of the formula: ##STR1## where R.sup.1 is alkyl, preferably ethyl, and R.sup.5 is hydroxyalkyl, preferably hydroxethyl. The ternary copolymer self-segregates into discrete hydrophilic and hydrophobic domains and is believed to act as a template to segregate the polyelectrolyte into the domains. The mixed polymer has large ion-exchange capacity, very high effective diffusion constants of incorporated counter-ions and prolonged retention of multiply-charged counter-ions. The mixed polymer forms a stable and effective coating for electrodes for electrocatalytic applications.

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Oyama, N. et al., J. Electroanal. Chem., 139 (1982) 371-382.

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