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Method of producing opaque adherent coating on the surface of substantially hydrated cemetitious substrate
Method of producing opaque adherent coating on the surface of substantially hydrated cemetitious substrate
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机译:在基本上水合的陶土基材表面上产生不透明的粘附涂层的方法
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摘要
A method of producing an opaque adherent coating on the surface of a substantially hydrated cementitious substrate is provided. A waterborne storage stable sealer comprising an aqueous medium containing a binder polymer and an opacifying polymer is applied on the surface of such a cementitious substrate. Upon drying the layer substantially hides the primary efflorescence typically present on the surface of the cementitious substrate. Applicants have unexpectedly discovered that by optimally adjusting the thickness of the coating a weight amount of waterborne storage stable sealer solids in the waterborne storage stable sealer and a pigment volume content of the opacifying polymer in the storage stable sealer the opaque adherent coating is produced on the surface of the substantially hydrated cementitious substrate.
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