Recovery of imageable polyacetylenes from binder containing aque

Details Recovery of imageable polyacetylenes from binder containing aque Recovery of imageable polyacetylenes from binder containing aque

1988-08-05

1992-09-15

Marx, Irene

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

435273, 435272, 435212, 435227, 435 19, 435 20, 435495, C12P 100, C07K 312, C12N 948, C12N 978

Patent

active

051477874

ABSTRACT:
This invention relates to a process for the recovery of a substantially insoluble, radiation imageable polyacetylene dispersion in aqueous binder which comprises contacting the dispersion with a proteolylic enzyme in an amount sufficient to decompose the binder, at a pH of from about 3 to about 9 and a temperature of between about 20.degree. C. and about 70.degree. C. and separating polyacetylene solids from the resulting liquid mixture, and which solids can be solubilized and recrystallized for further use.

REFERENCES:
patent: 3131130 (1964-05-01), Oneson
patent: 3501378 (1970-03-01), Shinkai
patent: 4066676 (1978-01-01), Bloom et al.

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