MULTI-COMPONENT COATING METHOD FOR POROUS SUBSTRATES
First Claim
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1. A method comprising:
- providing a multi-component coating composition including two or more components, wherein the composition comprises a first component comprising an amino-functional chemical compound, and at least a second component comprising an oxirane-functional chemical compound, and wherein each component in the coating composition is in a separate container prior to application to a porous substrate selected from one of a fibrous cement substrate and a gypsum wall board;
introducing each component at a rate corresponding to an application rate for each component;
applying each component to the a surface of the a porous substrate at the application rate, wherein the first component of the multi-component coating composition is applied to a surface of the substrate before the second component of the multi-component coating composition is applied to the surface of the substrate, and wherein a first component penetration time is allowed to elapse before applying the second component;
mixing each component with at least one other component on the surface of the substrate, thereby causing at least two components to undergo a chemical reaction.
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Abstract
The disclosure relates to a coating method including the steps of providing a multi-component coating composition including two or more components, applying each component to a porous substrate, mixing each component with at least one other component thereby causing at least two components to undergo a chemical reaction.
6 Citations
21 Claims
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1. A method comprising:
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providing a multi-component coating composition including two or more components, wherein the composition comprises a first component comprising an amino-functional chemical compound, and at least a second component comprising an oxirane-functional chemical compound, and wherein each component in the coating composition is in a separate container prior to application to a porous substrate selected from one of a fibrous cement substrate and a gypsum wall board; introducing each component at a rate corresponding to an application rate for each component; applying each component to the a surface of the a porous substrate at the application rate, wherein the first component of the multi-component coating composition is applied to a surface of the substrate before the second component of the multi-component coating composition is applied to the surface of the substrate, and wherein a first component penetration time is allowed to elapse before applying the second component; mixing each component with at least one other component on the surface of the substrate, thereby causing at least two components to undergo a chemical reaction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20, 21)
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17. A method comprising:
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providing a multi-component coating composition comprising at least a first component comprising an amino-functional compound and a second component comprising an oxirane-functional compound, wherein each component is contained in a separate container; applying each component to a porous substrate; mixing the first component with at least the second component on a surface of the porous substrate, thereby forming a reacting mixture wherein the first and second components undergo a chemical reaction; and allowing at least some of the reacting mixture to penetrate into the surface of the porous substrate. - View Dependent Claims (18, 19)
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Specification