Polyesteramides derived from bis-oxamidodiols and dicarboxylic a

Details Polyesteramides derived from bis-oxamidodiols and dicarboxylic a Polyesteramides derived from bis-oxamidodiols and dicarboxylic a

1978-05-12

1980-06-24

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

1283355, 528279, 528283, 528332, 528335, 528343, C08G 6316

Patent

active

042096073

ABSTRACT:
Alternating esteramide polymers are obtained from the reaction of bis-oxamidodiols such as N,N'-bis(.omega.-hydroxyalkylene)oxamide with a dicarboxylic acid or diesters such as diethyl oxalate, diethyl succinate, diethyl suberate, or dimethyl terephthalate. The polymers are obtained in good yield and have film- and fiber-forming properties. Some polymers are absorbable in biological systems and are useful as absorbable surgical devices. Other of these polymers are nonabsorbable and are useful as textile fibers.

REFERENCES:
patent: 2659713 (1953-11-01), Magat
Noller-Chemistry of Organic Compounds, (1957), p. 254.

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