Hindered phenolic azidoformates antioxidants

Details Hindered phenolic azidoformates antioxidants Hindered phenolic azidoformates antioxidants

C - Chemistry, Metallurgy

08

K

6/133, 260/467

C08K 5/28 (2006.01) C08C 19/22 (2006.01)

Patent

CA 1071224

ABSTRACT OF THE DISCLOSURE Azidoformyl compounds containing a hindered phenolic antioxidant moiety have been found to provide built-in antioxidant protection. They add to and protect polymers, including saturated, unsaturated, linear, crystalline and non-linear- amorphous hydrocarbon polymers, copolymers, terpolymers etc., including especially polyethylene, polypropylene, polystyrene, and the rubbers, such as natural rubbers, ploybutadienes, poly- isoprenes, butadiene-isoprene copolymer, butyl rubber, ethylene- propylene copolymer, ethylene-propylene-dicyclopentadiene terpolymer, etc. and blends thereof.

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