C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 21/00 (2006.01) C08K 5/16 (2006.01) C08K 5/17 (2006.01) C08K 5/37 (2006.01) C08L 23/14 (2006.01)
Patent
CA 2104408
N,N'-ALKENYLENE AMINE/MERCAPTOTOLYLIMIDAZOLE BLENDS AS HIGH TEMPERATURE ANTIOXIDANTS FOR ELASTOMERS Abstract of the Disclosure Elastomers are very effectively stabilized against thermal and oxidative degradation at ele- vated temperatures with a blend of an N,N,N',N'-tetrasubstituted 1,4-diamino-2-butene, where the substituents are alkyl, cycloalkyl, aralkyl, aryl or mixtures thereof, in combina- tion with a mercaptoimidazole of formula IV Image (IV) where E is hydrogen, alkyl, cycloalkyl, aryl or phenylalkyl.
Horsey Douglas W.
Patel Ambelal R.
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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