Heat and aging stable copolyetheresteramides and method of manuf

Details Heat and aging stable copolyetheresteramides and method of manuf Heat and aging stable copolyetheresteramides and method of manuf

1978-07-07

1980-03-25

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457R, 260 457QB, C08K 518

Patent

active

041950151

ABSTRACT:
Copolyetheresteramide based compositions which are stable with respect to the effects of heat, light and oxygen are disclosed. From about 0.05 to about 5% of 4-4'-bis-(.alpha.-.alpha.'-dimethylbenzyl)-diphenylamide either alone or in combination with 0.01 to 2% of cuprous iodide and potassium iodide such that the ratio of CuI to KI is between 0.1 and 1.9 is added to the copolyetheresteramide to form a stable composition.

REFERENCES:
patent: 2705227 (1955-03-01), Stamatoff
patent: 3533992 (1970-10-01), Sundholm
patent: 3636135 (1972-01-01), Garforth
patent: 3856749 (1974-12-01), Hoeschele

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