COLORED BUILDING MATERIALS

摘要

A coloned building material. The building material includes cement and a coloring agent. The coloring agent is a water/alkali soluble resin and a colorant. The colored building material may further include aggregate to produce a colored concrete. In the preferred embodiment, the cement is a hydraulic cement, such as a Portland cement and the resin is a styrenated acrylic polymer having an acid number less than about 300. The coloring agent includes about 40 wt. % of an organic colorant having a particle size of the colorant of less than about 5 microns.