Polyetherimides with high thermal stability and solvent resistan

Details Polyetherimides with high thermal stability and solvent resistan Polyetherimides with high thermal stability and solvent resistan

1984-10-26

1986-01-21

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528185, C08G 7310

Patent

active

045658587

ABSTRACT:
Polyetherimides and their polyamic acid precursors are derived from bisphenol A dianhydride, or a mixture thereof with pyromellitic dianhydride, and bis(4-aminophenyl) sulfone or a mixture thereof with m-phenylenediamine and/or p-phenylenediamine. The polyetherimides are characterized by high thermal stability and solvent resistance.

REFERENCES:
patent: 3847867 (1974-11-01), Heath et al.
patent: 3983093 (1976-09-01), Williams, III et al.
patent: 4417044 (1983-11-01), Parekh
patent: 4429102 (1984-01-01), Evans et al.

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