Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Patent
1989-12-14
1992-11-10
Dixon, Jr., William R.
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
106806, 106727, C04B 2606
Patent
active
051620600
ABSTRACT:
A coating composition is used for coating or overlaying Portland cement concrete or metal. The composition includes a synthetic polymer latex having ureido functional groups, an amine-functional epoxy curing agent, a liquid epoxy resin, and a hydraulic cement. The coating composition has superior thermal shock resistance and low cost in comparison with epoxy/amine-type polymer concrete, and excellent strength development and chemical resistance in comparison with conventional latex-based cementitious compositions. The coating composition can be mixed from a pair of storage-stable components; a dry mix including the hydraulic cement and the epoxy resin, and optionally larger size aggregate, and a wet mix including the polymer latex and the amine curing agent. The two components can be mixed on site to give a fluid coating composition having a good pot life and low viscosity, which rapidly develops strength, and ultimately develops high compressive strength, thermal shock resistance, and resistance to chemical attack, especially attack by aqueous acids.
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Bredow Charles W.
Schindler Frederick J.
Adler Marc S.
Dixon Jr. William R.
Hollenbeck Sue
Rohm and Haas Company
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