Polysulfone and polyethersulfone oligomers

Details Polysulfone and polyethersulfone oligomers Polysulfone and polyethersulfone oligomers

1985-10-07

1989-10-03

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

252512, 252518, 548476, 548547, 548435, 528170, 526259, 526262, 428288, 524 80, 524439, 524401, H01B 100, H01B 104

Patent

active

048714755

ABSTRACT:
Polysulfone and polyethersulfone oligomers are made by the condensation of phenols and halogenated moieties and exhibit improved solvent resistance when capped with crosslinkable end cap imidophenols. Composites made with a blend of the oligomers and corresponding polymers formed from the phenols and halogenated moieties, but without end caps, exhibit superior impact resistance while retaining the desired solvent resistance. Conductive or semiconductive oligomers (or their composites) can be formed by doping suitable oligomers, especially those prepared from Schiff base diols.

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