Solventless process for decontamination of polyacetylene

Details Solventless process for decontamination of polyacetylene Solventless process for decontamination of polyacetylene

1988-03-03

1989-01-03

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

585534, 585833, 562600, C07C 700

Patent

active

047958359

ABSTRACT:
The process relates to the removal of copper contaminants from crude polyacetylenes containing up to 30 wt. % copper impurity by contacting a melt of the polyacetylene with aqueous hydrogen chloride to form an oil phase and an aqueous acid phase, separating said phases, treating the separated oil phase with from about 1 to about 10 volumes of water until subsequent oil and water phases are formed, agitating the separated oil phase while cooling to form a particulate product and drying said particles to recover purified polyacetylene.

REFERENCES:
patent: 3493471 (1970-02-01), Bashaw

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