Polyetherimides prepared by self-condensation of hydroxyaryl pht

Details Polyetherimides prepared by self-condensation of hydroxyaryl pht Polyetherimides prepared by self-condensation of hydroxyaryl pht

1980-02-29

1981-10-27

Welsh, Maurice J.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C08G 7310

Patent

active

042974747

ABSTRACT:
Polyetherimides are provided which are based on the self-condensation in a dipolar aprotic solvent of a hydroxyaryl phthalimide salt having a nuclear bound leaving radical on the phthalimide ring. The polyetherimides are injection-moldable high performance thermoplastics.

REFERENCES:
patent: 3787364 (1974-01-01), Wirth et al.
patent: 3821164 (1974-06-01), Relles et al.
patent: 3838097 (1974-09-01), Wirth et al.
patent: 3852242 (1974-12-01), White
patent: 4024110 (1977-05-01), Takekoshi
Caswell et al., J. Heterocyclic Chem., vol. 3, 1966, pp. 333-335.
Fowler et al., J. Heterocyclic Chem., vol. 10, 1973, pp. 107-108.

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