Hydroxy terminated polyetherimide oligomers

Details Hydroxy terminated polyetherimide oligomers Hydroxy terminated polyetherimide oligomers

1985-10-04

1986-09-09

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 26, 528125, 528126, 528128, 528172, C08G 7310

Patent

active

046110488

ABSTRACT:
Polyetherimide oligomers are end functionalized with aryl hydroxy groups by reacting mixtures of bisphenol-A dianhydride, arylene diamines and aryl aminoalcohols. The oligomers are reactive with other polymer precursors, such as bisphenol-A and phosgene to provide segmented block copolymers of improved toughness and compatibility with other resins.

REFERENCES:
patent: 3905942 (1975-09-01), Takekoshi et al.
patent: 3983093 (1976-09-01), Williams, III et al.

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