Recovery of imageable polyacetylenes from binder containing aqueous dispersions
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United States of America Patent
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Sep 15, 1992
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N/A
app pub date -
Aug 5, 1988
filing date -
Aug 5, 1988
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Expired
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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.
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