Cement composition self-leveling floor coating formulations and their method of use
AssigneeMaxxon Corporation
InventorJ. Herbert Ogden
Life of this patent
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Abstract
A cement composition comprising fine aggregate, preferably sand, in an amount of about 10 to about 25 wt %; blast furnace slag cement, in an amount of about 20 to about 35 wt %; gypsum, in an amount of about 20 to about 35 wt %; Portland cement, in an amount of about 4 to about 30 wt %; and cement plasticizer in an amount of about 0.3 to about 3 wt %. The dry cement composition may be formulated with aggregate and water to prepare a flowable liquid, self-leveling and self-smoothing coating material that may be applied to a substrate such as a floor substrate. The applied coating requires no manual finishing or smoothing, yet hardens to form a level, very smooth coating that possesses excellent compressive strength.
Claims22
A cement composition comprising:
- (a) fine aggregate, in an amount of about 10 to about 25 wt %;
- (b) blast furnace slag cement, in an amount of about 20 to about 35 wt %;
- (c) gypsum, in an amount of about 20 to about 35 wt %;
- (d) Portland cement, in an amount of about 4 to about 30 wt %;
- and
- (e) a cement plasticizer in an amount of about 0.3 to about 3 wt %.
A cement composition comprising a mixture of particulate solids comprising (a) fine aggregate, in an amount of about 12 to about 20 wt %;
- (b) blast furnace slag cement, in an amount of about 25 to about 35 wt %;
- (c) gypsum, in an amount of about 25 to about 35 wt %;
- (d) Portland cement, in an amount of about 6 to about 20 wt %;
- (e) cement gypsum, in an amount of about 5 to about 18 wt %;
- (f) cement plasticizer, in an amount of about 0.5 to about 3 wt %;
- (g) vinyl polymer, in an amount of about 1 to about 4 wt %;
- and
- (h) defoamer, in an amount of about 0.1 to about 2 wt %, all percentages being based on the weight of the cement composition.
A coating formulation comprising a flowable homogeneous mixture of (a) a cement composition, (b) additional aggregate and (c) water, wherein the cement composition and the additional aggregate are present in a weight ratio of about 0.5:1 to about 2:1 and the amount of water is sufficient to provide a flowable, self- leveling formulation, the cement composition comprising
- (i) fine aggregate, in an amount of about 10 to about 25 wt %;
- (ii) blast furnace slag cement, in an amount of about 20 to about 35 wt %;
- (iii) gypsum, in an amount of about 20 to about 35 wt %;
- (iv) Portland cement, in an amount of about 4 to about 30 wt %;
- and
- (v) a cement plasticizer in an amount of about 0.3 to about 3 wt %.
Dependencies are inferred from the claim text.