Free radical ring opening for polymerization of cyclic oligomers

Details Free radical ring opening for polymerization of cyclic oligomers Free radical ring opening for polymerization of cyclic oligomers

1997-09-08

1999-02-09

Pezzuto, Helen L.

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

Synthetic resins

From sulfur-containing reactant

528377, 528378, 528387, C08G 7514

Patent

active

058695990

ABSTRACT:
A polyarylene sulfide free of inorganic contaminants, especially residues of inorganic polymerization catalysts, is produced by the free radical, ring-opening polymerization of a cyclic thioether.

REFERENCES:
patent: 5354841 (1994-10-01), Geibel et al.
patent: 5384391 (1995-01-01), Miyata et al.

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