Process for the isolation and purification of polyarylene sulphi

Details Process for the isolation and purification of polyarylene sulphi Process for the isolation and purification of polyarylene sulphi

1992-01-24

1992-12-29

Foelak, Morton

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

Synthetic resins

Treating polymer containing material or treating a solid...

528388, 528481, 528488, C08G 7514, C08G 7518

Patent

active

051752492

ABSTRACT:
This invention relates to a process for the isolation and purification of polyarylene sulphides, preferably polyphenylene sulphides, from their reaction mixture. The process requires no organic solvents for the purification (washing) of the polymer.

REFERENCES:
patent: 4963651 (1990-10-01), Nesheiwat
patent: 5037954 (1991-08-01), Nesheiwat

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