Pyrazolone substituted copolyarylene sulfide

Details Pyrazolone substituted copolyarylene sulfide Pyrazolone substituted copolyarylene sulfide

1989-03-03

1991-03-19

Anderson, Harold D.

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

Synthetic resins

From reactant having a nitrogen atom directly bonded to the...

528368, 528388, C08G 7516, C08G 8300

Patent

active

050012207

ABSTRACT:
This invention relates to new high molecular weight, optionally branched co-polyarylene sulphides prepared by the reaction of halogenated aromatic compounds and dihalogenated phenyl-pyrazole-3-ones in a polar solvent with the addition of 0.2 to 100 mol %, based on the dihalogenated aromatic compound, of an amino acid to the reaction mixture, and to the use of these copolyarylene sulphides as embedding compounds for electronic parts.

REFERENCES:
patent: 3354129 (1967-11-01), Edmonds et al.
patent: 4350810 (1982-09-01), Tieszen et al.
patent: 4760128 (1988-07-01), Ebert et al.
patent: 4824933 (1989-04-01), Ostlinning et al.

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