Poly(ester-amide) compositions

Details Poly(ester-amide) compositions Poly(ester-amide) compositions

1983-12-12

1984-07-10

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528302, C08G 6944

Patent

active

044594003

ABSTRACT:
Poly(ester-amides) derived from piperazine, aliphatic acids, and aliphatic glycols. The poly(ester-amides) are particularly useful as coextrudable adhesive resins for use in fabricating multilayer packaging materials, both sheet and pipe forms, comprising polyesters and ethylene/vinyl alcohol copolymers.

REFERENCES:
patent: 4096123 (1978-06-01), Niinami et al.
patent: 4433117 (1984-02-01), Takayanagi et al.

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