Process for the preparation of aromatic sulfur-containing polyme

Details Process for the preparation of aromatic sulfur-containing polyme Process for the preparation of aromatic sulfur-containing polyme

1996-04-12

1997-11-18

Sweet, Mark D.

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

Synthetic resins

From sulfur-containing reactant

525537, C08G 7514

Patent

active

056889089

ABSTRACT:
In the process for the preparation of aromatic sulfur-containing polymers, the polymer is formed from a prepolymer having halogen end groups. The process can be carried out in two stages: 1. Preparation of the prepolymer and 2. conversion of the prepolymer into the polymer. The process is particularly suitable for the preparation of polyphenylene sulfide.

REFERENCES:
patent: 4645826 (1987-02-01), Iizuka et al.
patent: 4794164 (1988-12-01), Iwasaki et al.
patent: 4812539 (1989-03-01), Iizuka et al.
patent: 4910294 (1990-03-01), Ogata et al.
patent: 5130411 (1992-07-01), Tanaka et al.
patent: 5179194 (1993-01-01), Kawakami et al.
patent: 5384391 (1995-01-01), Miyata et al.

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