Process for the oxidation of polyarlene compounds containing thi

Details Process for the oxidation of polyarlene compounds containing thi Process for the oxidation of polyarlene compounds containing thi

1997-09-09

1999-04-06

Bell, James J.

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

Synthetic resins

From sulfur-containing reactant

528480, 528486, 528489, C08G 7500

Patent

active

058919880

ABSTRACT:
The process for the preparation of polyarylene sulfones by oxidation of polyarylene sulfides with an oxidizing agent in the presence of a liquid is carried out under reduced pressure so that the liquid boils. The reaction temperature can easily be kept constant in the process.

REFERENCES:
patent: 3819582 (1974-06-01), Feasey
patent: 4303776 (1981-12-01), Baron
patent: 4563509 (1986-01-01), Liang
patent: 5496916 (1996-03-01), Fleischer et al.

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