Linear polyesters based on N,N-heterocyclic dicarboxylic acids

Details Linear polyesters based on N,N-heterocyclic dicarboxylic acids Linear polyesters based on N,N-heterocyclic dicarboxylic acids

1975-11-20

1977-07-26

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6312, C08G 6316

Patent

active

040382559

ABSTRACT:
New homopolyesters and copolyesters are obtained by polycondensing dicarboxylic acid derivatives which contain a N,N-heterocyclic radical and which are manufactured from cyclic ureides and 4-halogenomethylbenzoic acid derivatives, and, if appropriate terephthalic acid of isophthalic acid derivatives, with alkanediols and/or N,N-heterocyclic diols. The new polyesters, which are distinguished by valuable toughness and high Tg values, are particularly suitable for use as "engineering plastics" materials.

REFERENCES:
patent: B521126 (1976-02-01), Habermeier
patent: B522489 (1976-02-01), Buybaum et al.
patent: 3856754 (1974-12-01), Habermeier et al.
patent: 3860564 (1975-01-01), Habermeier et al.
patent: 3886123 (1975-05-01), Habermeier et al.

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