Process for the preparation of polyarylene sulphides

Details Process for the preparation of polyarylene sulphides Process for the preparation of polyarylene sulphides

1992-02-10

1994-04-26

Bleutge, John C.

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

Synthetic resins

From sulfur-containing reactant

528388, 528381, C08G 7514

Patent

active

053068050

ABSTRACT:
This invention relates to a simplified process for the preparation of polyarylene sulphides with improved product quality from alkali metal sulphides and dihalogenated aromatic compounds, in which the alkali metal sulphides are prepared and reacted in situ.

REFERENCES:
patent: 3919177 (1975-11-01), Campbell
patent: 4060520 (1977-11-01), Irvin
patent: 4324886 (1982-04-01), Edmonds, Jr. et al.
patent: 4373090 (1983-02-01), Edmonds, Jr.
patent: 4451643 (1984-05-01), Edmonds, Jr. et al.
patent: 5066776 (1991-11-01), Russeler et al.

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