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US 11,572,487 B2Granted
Water based sealer with superior durability
AssigneeBehr Process Corporation
InventorsJinzhen Shi, Karen Ann Nguyen, Ming-Ren Tarng
Life of this patent
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Abstract
A sealer composition includes a first component and a second component. The first component includes water and a hydroxyl functionalized acrylic resin. The second component includes an epoxy silane cross-linker. Characteristically, the first component and second component are mixed at most 40 hours prior to application of the sealer composition to a substrate.
Claims10
A method comprising:
- applying a sealer composition to a substrate, the sealer composition comprising:
- a first component including:
- water;
- and
- a hydroxyl functionalized acrylic resin;
- a second component consisting of:
- an epoxy silane cross-linker, the sealer composition being applied by:
- a) mixing the first component and the second component;
- b) coating the substrate with the mixture of the first component and the second component on the substrate;
- and
- c) allowing the mixture to cure to form a sealer coating on the substrate, wherein the hydroxyl functionalized acrylic resin is present in an amount of 75 to 95 percent of the dry weight of the combined weight of the first component and the second component;
- the epoxy silane cross-linker is present in an amount of 5 to 25 percent of the dry weight of the combined weight of the first component and the second component;
- and
- the balance being water.
11 more elements
Dependencies are inferred from the claim text.