Segmented copolyester amides

Details Segmented copolyester amides Segmented copolyester amides

1992-06-24

1993-12-07

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528289, 528297, 5283086, 525 10, 525 41, 525 42, 525 46, 525165, 525166, 525178, 525437, 525438, 525445, C08L 7712

Patent

active

052684458

ABSTRACT:
The invention relates to segmented copolyesteramides built up from units derived from one or more flexible segments, 1,4-butanediol, 1,4-butanediamine and terephthalic.

REFERENCES:
patent: 2856385 (1958-10-01), Van Den Berghe et al.
patent: 4100116 (1978-07-01), Mazanek et al.
patent: 4346214 (1982-08-01), Blount
patent: 4966945 (1990-10-01), Drawert et al.
Journal of Polymer Science, vol. 1, pp. 353-359 (1962) "Preparation of Regularly Alternating Polyesteramides", Williams et al.

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