Acrylic caulking composition with improved adhesion

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 3/10 (2006.01) C08K 3/00 (2006.01) C08K 3/22 (2006.01) C08K 3/36 (2006.01) C08L 33/00 (2006.01) C09D 5/34 (2006.01)

Patent

CA 2105434

ABSTRACT OF THE DISCLOSURE A method is provided for forming an acrylic caulking or sealing composition with improved adhesion, the silane-free composition containing an acrylic emulsion copolymer binder with a glass transition temperature from about 0 C. to about -60 C., wherein the improvement includes admixing with the binder zinc oxide in an amount of from about 0.5% to about 5%, by dry weight based on dry copolymer binder weight, and solid silica in an amount of from about 0.5% to about 10%, by dry weight based on dry copolymer binder weight.

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