Polyamide-poly-carbonate block copolymers

Details Polyamide-poly-carbonate block copolymers Polyamide-poly-carbonate block copolymers

1986-03-17

1987-03-10

Phynes, Lucille M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 48, 528 51, 528 67, 528 84, 528183, 528288, 528906, C08F28302

Patent

active

046491805

ABSTRACT:
Substantially linear, segmented polyester-amides are disclosed which contain aromatic residues in the hard segments and as soft segments the residues of polycarbonate diols of molecular weight from about 400 to about 4000.
The polymers are characterized by the unexpected combination of excellent hydrolytic stability, thermal stability, and low temperature flexibility.

REFERENCES:
patent: 3764457 (1973-10-01), Chang et al.
patent: 4105641 (1978-08-01), Buysch et al.
patent: 4129715 (1978-12-01), Chen et al.
patent: 4131731 (1978-12-01), Lai et al.
patent: 4328331 (1982-05-01), Chen et al.
patent: 4388455 (1983-06-01), Bales

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