In order to enlarge the use area of UV curing coatings, we have designed new photo initiator butyl triacetylmethane with UV sensitivity and high initiating activity; after trying many method, we have synthesized target product, which is of good initiating effect under evaluation and is applied for patent in many courtiers.

Research of influence of air-entraining water-reducing agent and admixtures for the Salt-Freeze resistance of the roadway concrete;