C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/141 (2006.01) C07C 215/12 (2006.01) C07F 9/145 (2006.01) C08K 5/17 (2006.01) C08K 5/524 (2006.01) C08K 5/526 (2006.01)
Patent
CA 2760874
Hydrolytically stable phosphites as secondary antioxidants for polymer resins comprising a phosphite and an amine compound. The phosphite may be a liquid phosphite composition. The amine compound may have the structure of formula I: (I) wherein x is 1, 2 or 3; R1 is selected from the group consisting of hydrogen, and straight or branched C1-C6 alkyl, and R2 is select-ed from the group consisting of straight or branched C1-C30 alkyl.
L'invention concerne des phosphites hydrolytiquement stables utiles comme antioxydants secondaire pour des résines polymères comprenant un phosphite et un composé amine. Le phosphite peut être une composition de phosphite liquide. Le composé amine peut avoir la structure de formule (I) dans laquelle x représente 1, 2 ou 3; R1 est sélectionné dans le groupe comprenant hydrogène et un C1-C6 alkyle droit ou ramifié, et R2 est sélectionné dans le groupe comprenant un C1-C30 alkyle droit ou ramifié.
Hill Jonathan S.
Power Maurice
Chemtura Corporation
Gowling Lafleur Henderson Llp
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