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N-SUBSTITUTED BENZIMIDAZOLE-2-CARBOXANILIDES, USE THEREOF AS LIGHT STABILIZERS, IN PARTICULAR FOR POLYMERS, AND ORGANIC MATERIAL CONTAINING SAME
N-SUBSTITUTED BENZIMIDAZOLE-2-CARBOXANILIDES, USE THEREOF AS LIGHT STABILIZERS, IN PARTICULAR FOR POLYMERS, AND ORGANIC MATERIAL CONTAINING SAME
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机译：N-取代的苯并咪唑-2-羧酸酯，用作光稳定剂，尤其对于聚合物和有机材料含量相同
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摘要
Compounds of the generalformula (I) (I)where R1 and R2 are each H, C1, alkyl, alkoxy, substitu-ted or unsubstituted phenyl or phenylalkyl, R3 and R4 areeach H, alkyl, oxaalkyl, alkoxy, oxaalkoxy, substitutedor unsubstituted phenyl, phenylalkyl, phenoxy, phenyl-alkoxy, alkylcarbonylamino, benzoylamino, alkanoyloxy orbenzoyloxy, n is 1 or 2 and R5 is - when n is 1 - alkyl,hydroxyalkyl, cycloalkyl, alkenyl, oxaalkyl, phenylalkylor oror - when n is 2 - alkylene, cycloalkylene, alkenylene,oxaalkylene oror where m is from 2 to 4, R6 is alkyl, alkenyl, cycloalkyl,phenylalkyl, substituted or unsubstituted phenyl ornaphthyl, and R7 is alkylene, alkenylene, cycloalkylene,substituted or unsubstituted phenylene, naphthylene,diphenylene, andare effective light stabilizers for organic materials, inparticular for polymers.
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