Dissociating ionically cross-linked siloxane polymers

Details Dissociating ionically cross-linked siloxane polymers Dissociating ionically cross-linked siloxane polymers

1984-01-04

1985-01-15

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...

528 25, 528 27, 528 28, 556413, 556424, C08F28300

Patent

active

044939264

ABSTRACT:
A method is provided wherein ionically cross-linked zwitterionic siloxane polymers are solubilized by the addition of a weak base to a combination of the zwitterionic siloxane polymers and an organic solvent. Where a weak base having a high vapor pressure is utilized, the zwitterionic siloxane polymers can be recured by evaporation of the organic solvent and base.

REFERENCES:
patent: 3922472 (1975-11-01), Foley et al.
Litt & Matsuda, J. Polymer Science, vol. 19, p. 1221 (1975).
Graiver et al., J. Polymer Science, Polymer Chem. Ed., vol. 17, pp. 3559-3572, 3573-3636 (1979).

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