abstract |
An anaerobic curable composition, such as a curing accelerator for adhesives and sealants, is provided, which is defined with reference to a compound represented by the structural formula I below. <Structure I> Wherein A is CH 2 or benzyl, R is C 1-10 alkyl and R 'is H or C 1-10 alkyl, or R and R' together form a 4 to 7 membered ring fused to a benzene ring, R "is optional, but when R" is present, R "is selected from the group consisting of halogen, alkyl, alkenyl, cycloalkyl, hydroxyalkyl, hydroxyalkenyl, alkoxy, amino, alkylene- Wherein the EWG shown is an electron withdrawing group such as a nitro, nitrile, carboxylate or trihalomethyl (meth) acrylate, alkylene (meth) acrylate, carbonyl, carboxyl, nitroso, sulfonate, It is Roald Kill. |