C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 91/08 (2006.01) C04B 24/26 (2006.01)
Patent
CA 2328883
A water-based wax emulsion formulation for imparting water repellent characteristics to gypsum wall boards comprising: (a) hydrocarbon wax; (b) an alkyl acid and/or alkyl ester; and (c) a polyvinyl alcohol composition comprising partially and/or fully hydrolyzed polyvinyl acetate. The formulation may also contains other ancillary components such as emulsifiers and stabilizers.
Mccarthy Tetrault Llp
Walker Industries Holdings Limited
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