Method for making polyetherimides

Details Method for making polyetherimides Method for making polyetherimides

1975-12-05

1977-05-17

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 465E, 260 465UA, 260 47R, 260 47CP, 260 49, 260 50, C08G 6542, C08G 7310

Patent

active

040241106

ABSTRACT:
Polyetherimides can be made by effecting an interchange reaction, in the presence of an alkali phenoxide, between aryloxy-substituted bisphthalimide and dihydric phenol. The reaction can be conducted either under melt conditions or in the presence of a dipolar aprotic solvent.

REFERENCES:
patent: 3787364 (1974-01-01), Wirth et al.
patent: 3833546 (1974-09-01), Takekoshi et al.
patent: 3847870 (1974-11-01), Takekushi
patent: 3850885 (1974-11-01), Takekoshi et al.
patent: 3852242 (1974-12-01), White
patent: 3875116 (1975-04-01), Heath et al.
patent: 3905942 (1975-09-01), Takekoshi et al.

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