Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1985-09-03
1988-11-15
Morgan, Kriellion
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 99, 524141, 524508, C08K 534
Patent
active
047850760
ABSTRACT:
The ultraviolet light radiation stability as manifested, for instance, by the resistance to yellowing is improved for polyphenylene ether resins and blends by including a combination of a benzotriazole-based screening-type UV stabilizer and a hindered dipiperidinyl antioxidant-type UV stabilizer. The combination of the two stabilizers exhibits syneristic behavior in the compositions, conferring better resistance to yellowing than can be predicted and expected from the observed effects of each stabilizer alone. Flame retardant embodiments are illustrated.
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General Electric Company
Morgan Kriellion
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