Thermotropic polyester amides

Details Thermotropic polyester amides Thermotropic polyester amides

1979-07-20

1981-06-09

Schain, Howard E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C08L 7712

Patent

active

042726255

ABSTRACT:
Melt processable fibre-forming polyesteramides comprising residues of one or more aminophenols selected from p-aminophenol and p-N-methylaminophenol and residues of one or more dicarboxylic acids characterized in that the polyesteramide contains a balance of linear difunctional residues and dissymmetric difunctional residues derived from either the aminophenols or the acids chosen to give a product which melts below its decomposition temperature and exhibits optical anisotropy in the melt.

REFERENCES:
patent: 2304729 (1942-12-01), Bruson
patent: 3575928 (1971-04-01), Lenz et al.
patent: 3859251 (1975-01-01), Kuhfuss et al.
patent: 4153779 (1979-05-01), Jackson et al.
Chem. Abstracts, vol. 60, 1964, 3108g, Panaiotov.
J. of Polymer Science, Part A-1, vol. 8, No. 11, pp. 3135-3144 (1970), Preston.

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