| 摘要 |
A process for curing abrasive compositions containing an acid- curable binder and, as curing catalyst, an organic sulfonic acid releasable by the action of light, and also additives customarily used in abrasives technology, in which process the abrasive compositions after drying are exposed to the action of light rays and thus cured. Of particular interest as masked curing catalysts are organic compounds of the formulae I and II <IMAGE> wherein n and R1 to R8 have the meanings given in Claim 4.g |
