Novel polyesters and preparation thereof by interfacial condensa

Details Novel polyesters and preparation thereof by interfacial condensa Novel polyesters and preparation thereof by interfacial condensa

1977-06-17

1980-05-06

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528126, 528173, 528176, 528179, 528182, 528191, 528192, 528193, 528194, 252182, C08G 6318

Patent

active

042018552

ABSTRACT:
Novel copolyesters are prepared by the interfacial condensation of bifunctional acid halides or anhydrides with bisphenols dissolved in mixtures of alkaline materials and liquid polyhydroxy hydrocarbons, ethers or amines. The copolyesters form useful fibers and plastic materials.

REFERENCES:
patent: 3351611 (1967-11-01), Conix
patent: 3351624 (1967-11-01), Conix
patent: 3398120 (1968-08-01), Hindersinn et al.
patent: 3471441 (1969-10-01), Hindersinn

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