| abstract |
There is provided a two-part curing composition comprising a curing accelerator as defined with reference to the compound set forth in 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 4-7 membered ring fused to the benzene ring, R " is selected from the group consisting of halogen, alkyl, alkenyl, cycloalkyl, hydroxyalkyl, hydroxyalkenyl, alkoxy, amino, alkylene- or alkenylene- EWG is an electron withdrawing group such as, for example, nitro, nitrile, carboxylate or trihalo (meth) acrylate as shown, Alkyl. |