Process for coloring concrete using compacted inorganic granules
AssigneeElementis Pigments, Inc.
InventorJames T. Will
Life of this patent
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Abstract
A method for coloring cementitious systems using compacted inorganic granules, wherein said compacted inorganic granules comprise an inorganic pigment and a dispersing agent. Particularly, a method for coloring cementitious systems using compacted inorganic granules; wherein said compacted inorganic granules are produced by a process consisting of: (a) mixing an inorganic pigment and a dispersing agent, (b) compacting the mixture, (c) milling the compacted mixture, and (d) classifying the compacted mixture into at least one oversize material stream, at least one undersize material stream and at least one product stream of compacted inorganic granules; and wherein the coloring effect of the compacted inorganic granules in the cementitious system equals or exceeds the powder standard.
Claims17
A process for coloring a cementitious system, comprising:
- dispersing compacted inorganic granules of a product stream in the cementitious system;
- wherein said compacted inorganic granules comprise an inorganic pigment and a dispersing agent;
- wherein said compacted inorganic granules are produced by a process consisting of:
- (a) mixing an inorganic pigment and a dispersing agent,
- (b) compacting the mixture,
- (c) milling the compacted mixture, and
- (d) classifying the milled compacted mixture into at least three streams, including at least one oversize material stream, at least one undersize material stream and at least one product stream of compacted inorganic granules;
- and,
- wherein a coloring effect of the compacted inorganic granules in the cementitious system equals or exceeds a powder standard.
A process for coloring a cementitious system, comprising:
- dispersing compacted inorganic granules of a product stream in the cementitious system;
- wherein said compacted inorganic granules comprise an inorganic pigment and a dispersing agent;
- wherein said compacted inorganic granules are produced by a process consisting of:
- (a) mixing an inorganic pigment and a dispersing agent,
- (b) compacting the mixture,
- (c) milling the compacted mixture, and
- (d) classifying the milled compacted mixture into at least three streams, including at least one oversize material stream, at least one undersize material stream and at least one product stream of compacted inorganic granules;
- and,
- wherein a coloring effect of the compacted inorganic granules in the cementitious system equals or exceeds a powder standard;
- wherein the compacted inorganic granules in the at least one undersize material stream are recycled back to (a) where they are mixed with inorganic pigment and dispersing agent and compacted;
- wherein the compacted inorganic granules in the at least one oversize material stream are remilled;
- and wherein the remilled material is mixed with the compacted inorganic granules in the at least one product stream.
A method of coloring concrete, comprising:
- (a) providing compacted inorganic granules, wherein said compacted inorganic granules are produced by a process consisting of:
- (a.1) mixing an inorganic pigment and a dispersing agent,
- (a.2) compacting the mixture,
- (a.3) milling the compacted mixture, and
- (a.4) classifying the milled compacted mixture into at least three streams, including at least one oversize material stream, at least one undersize material stream and at least one product stream of compacted inorganic granules;
- (b) mixing said compacted inorganic granules of the product stream with concrete at conditions sufficient to form a homogeneous dispersal of said compacted inorganic granules in the concrete;
- and,
- (c) allowing the mixture to set;
- wherein a coloring effect of the compacted inorganic granules in the concrete equals or exceeds a powder standard.
Dependencies are inferred from the claim text.