2,6-polyalkylpiperidine-substituted...

Details 2,6-polyalkylpiperidine-substituted... 2,6-polyalkylpiperidine-substituted...

C - Chemistry, Metallurgy

07

D

400/7084, 260/27

C07D 401/12 (2006.01) C08K 5/34 (2006.01)

Patent

CA 1334974

Benzimidazolecarboxanilides of the foxmula (I) Image (I) where R1 and R2 independently of one another are each hydrogen, chlorine, bromine, alkyl, alkoxy, unsubstituted or alkyl-substituted or alkoxy-substituted phenyl or phenylalkyl, R3 and R4 independently of one another are each hydrogen, alkyl, alkyl which is interrupted by one or more oxygen atoms, alkoxy, alkoxy which is interrupted by one or more oxygen atoms, unsubstituted or alkyl- substituted or alkoxy-substituted phenyl, phenylalkoxy, - alkanoylamino, benzoylamino, alkanoyloxy or benzoyloxy, n is 0, 1, 2, 3, 4 or 5, X is oxygen, ?NR6, Image , Image or Image . R5 is hydrogen, alkyl, phenylalkyl, cyanomethyl, amino- ethyl, hydroxyethyl, alkylcarbonyl or benzoyl, R6 is hydrogen, alkyl, phenylalkyl or phennyl and m is from 2 to 8, and the acid addition salts and hydrates of these compounds are stabilizers for organic material, in particular for plastics, such as polyethylene, polypropy- lene and polyamide.

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