Sequenced addition of components in poly(arylene sulfide) produc

Details Sequenced addition of components in poly(arylene sulfide) produc Sequenced addition of components in poly(arylene sulfide) produc

1975-10-10

1977-05-24

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 79, C08G 7516

Patent

active

040254968

ABSTRACT:
A method is provided for producing a reaction mixture comprising arylene sulfide polymer that can be subjected to distillation and extraction with water and readily filtered to recover the arylene sulfide polymer. The method entails preparing a composition of at least one alkali metal bisulfide and at least one organic amide, then admixing at least one alkali metal hydroxide into this composition and introducing p-dihalobenzene into the mixture thus produced, then subjecting the mixture to polymerization conditions for a time sufficient to form an arylene sulfide polymer.

REFERENCES:
patent: 3354129 (1967-11-01), Edmonds, Jr. et al.
patent: 3786035 (1974-01-01), Scoggin
patent: 3919177 (1975-11-01), Campbell

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