C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/10 (2006.01) C08L 33/02 (2006.01) C09D 5/34 (2006.01) C09D 133/02 (2006.01)
Patent
CA 2709652
The present invention provides filled aqueous caulk and sealant compositions made from high solids aqueous binders chosen from copolymers having a mixture of backbone acid and hydroxyl groups that are copolymerized from 0.5 to 7.5 wt.%, based on total monomer weight, of an hydroxyl group containing monomer, and mixed backbone acid copolymers that are copolymerized from methacrylic acid (MAA) with a second acid monomer having a lower pKa than the pKa of MAA. Preferred, compositions comprise one or more organosilane exhibit the adhesion and joint movement capability required by ASTM C-920-08, as well as good weatherability and aged wet adhesion to glass, even at a filler to binder ratio of 0.2:1 to 4:1.
Demarest Victoria Anne
Evans Ann Elizabeth
Freeman Adam Wade
Liss Audrey Brenda
Gowling Lafleur Henderson Llp
Rohm And Haas Company
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