Abstract: A concrete coloring material and a process for coloring concrete by means of such a concrete coloring material capable of permitting concrete to exhibit natural color or aesthetic properties while preventing concrete from being substantially discolored. Polyethylene oxide is used as a water-soluble adhesive or gIue. The oxide is mixed with a composition such as dye, pigment, a mixture thereof or the like, to thereby permit the composition to penetrate into the concrete.
Type:
Grant
Filed:
December 7, 1994
Date of Patent:
July 9, 1996
Assignees:
Toyoko Giken Co., Ltd., Nikko Chemical Institute Inc.
Abstract: A concrete coloring material and a process for coloring concrete by means of such a concrete coloring material capable of permitting concrete to exhibit natural color or aesthetic properties while preventing concrete from being substantially discolored. Polyethylene oxide is used as a water-soluble adhesive or glue. The oxide is mixed with a composition such as dye, pigment, a mixture thereof or the like, to thereby permit the composition to penetrate into the concrete.
Type:
Grant
Filed:
March 19, 1993
Date of Patent:
December 19, 1995
Assignees:
Toyoko Giken Co., Ltd., Nikko Chemical Institute Inc.