abstract |
The present invention provides a two-part curable composition comprising a cure accelerator as defined with reference to the compound shown in Structure (I) wherein A is CH or benzyl, R is C 1-10 alkyl, R' is H or C 1-10 alkyl, or R and R' together can form a four- to seven-membered ring fused to a benzene ring , R" is optional, but when R" is present, R" is halogen, alkyl, alkenyl, cycloalkyl, hydroxyalkyl, hydroxyalkenyl, alkoxy, amino, alkylene ether or alkenylene ether, alkylene (meth)acrylate, carbonyl, carboxyl, nitroso, sulfonate, hydroxyl or haloalkyl, and EWG as indicated, is an electron withdrawing group such as Nitro, nitrile, carboxylate or trihaloalkyl. |