Water-resistant latex sealants
First Claim
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1. In an acrylic resin latex based sealant composition, the improvement which comprises introducing about 0.1 to about 10 weight % of an hydrophobic resin dissolved in about 2 to about 20 weight % of a liquid organic, non-coagulating, non-gelling solvent into said acrylic resin latex together with an aqueous solution of about 0.5 to about 5.0 weight % of an hydrolyzed organoaminosilane containing sufficient base to maintain a pH of at least 8.5, with the proviso that the total weight of the components including the acrylic latex equals 100%.
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Abstract
Acrylic latex sealants are rendered water-resistant and have improved wet adhesion to a variety of substrates by incorporating hydrophobic resins and an aminosilane hydrolyzate therein.
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Citations
14 Claims
- 1. In an acrylic resin latex based sealant composition, the improvement which comprises introducing about 0.1 to about 10 weight % of an hydrophobic resin dissolved in about 2 to about 20 weight % of a liquid organic, non-coagulating, non-gelling solvent into said acrylic resin latex together with an aqueous solution of about 0.5 to about 5.0 weight % of an hydrolyzed organoaminosilane containing sufficient base to maintain a pH of at least 8.5, with the proviso that the total weight of the components including the acrylic latex equals 100%.
Specification