| abstract |
(57) [Abstract] [Problem] It is possible to cure in a short time, and there is no danger and pot life trouble due to handling dangerous substances such as peroxide catalyst on site, and it easily penetrates into concrete. The present invention provides a primer composition and a method for curing the primer composition, which can quickly cure even a portion that has penetrated. SOLUTION: (A) a polymerizable unsaturated compound, and (B) A primer composition comprising a polymerization initiator comprising an organic boron compound represented by the general formula (1) and an acidic compound. Wherein R 1 , R 2 , R 3 and R 4 are each independently an alkyl group, an aryl group, an aralkyl group, an alkenyl group, an alkynyl group, a silyl group, a heterocyclic group, a halogen atom, A substituted alkyl group, a substituted aryl group, a substituted aralkyl group, a substituted alkenyl group, a substituted alkynyl group or a substituted silyl group; Z + represents a cation) |