Elastomeric thermoplastic copolyether-esters endowed with improv

Details Elastomeric thermoplastic copolyether-esters endowed with improv Elastomeric thermoplastic copolyether-esters endowed with improv

1990-12-27

1992-04-21

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524147, C08K 552

Patent

active

051068923

ABSTRACT:
The thermo-oxidation resistance of the elastomeric thermoplastic copolyether-esters is remarkably improved by the addition of a synergistic mixture consisting of an organo phosphite and a pentaerythritol phosphite.
The copolymer-esters thus compounded find use in the extrusion, blow and injection molding technologies.

REFERENCES:
patent: 2847443 (1958-08-01), Hechenbleikner et al.
patent: 3558554 (1971-01-01), Kuriyama et al.
patent: 3896078 (1975-07-01), Hoeschele
patent: 4520149 (1985-05-01), Golder
patent: 4520150 (1985-05-01), Golder

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