Polyacetylene with anthraquinone system

Details Polyacetylene with anthraquinone system Polyacetylene with anthraquinone system

1980-12-22

1982-10-26

Henderson, C. A.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528486, 528488, 528489, 528492, C08K 542, C08K 330

Patent

active

043563015

ABSTRACT:
A process for reducing polyacetylene oxidation and embrittlement comprises treating the polyacetylene with a solution of (a) a combination of anthraquinone or an anthraquinone salt, a base and a reducing agent; or (b) pyrogallol; or (c) a hydrosulfiprocess for isomerizing cis-polyacetylene at least partly to trans-polyacetylene comprises treating substantially cis-polyacetylene with a solution of a material which is either (a) a combination of anthraquinone or an anthraquinone salt, a base and a reducing agent; (b) pyrogallol; or (c) a hydrosulfite; and mixtures thereof and wherein the solution is at a temperature of from the freezing point to the boiling point of the solution during the treatment of the cis-polyacetylene and thereafter removing the polyacetylene which has been enriched in the trans form from contact with the solution.

REFERENCES:
Stabilization of Linear Acetylinic Polymers, Bartashev, V. A. et al., Chem. Abst., 71, 13816m (1969).

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