Process for preparing polyl(phenylene sulfide)

Details Process for preparing polyl(phenylene sulfide) Process for preparing polyl(phenylene sulfide)

1989-06-05

1991-07-16

Foelak, Morton

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

Synthetic resins

From sulfur-containing reactant

C08G 7514

Patent

active

050326724

ABSTRACT:
An improved process for preparing poly(phenylene sulfide) is provided. In the process, an additional amount of solvent is introduced into the reaction mixture, when a conversion of at least 80% of dihalobenzene, one of the reactants, has been achieved. By the measure, heavy scaling which has been experienced with the conventional processes is effectively inhibited.

REFERENCES:
patent: 3354129 (1967-11-01), Edmonds et al.
patent: 3887529 (1975-06-01), Rohlfing

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