C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 35/06 (2006.01) C04B 24/24 (2006.01) C04B 26/02 (2006.01) C08J 3/12 (2006.01) C08K 3/36 (2006.01) C08L 25/10 (2006.01) C08L 29/04 (2006.01) C08L 71/02 (2006.01)
Patent
CA 2741255
Redispersible polymer powder compositions which include a polyglycol in admixture with a redispersible polymer powder (RDP), which powder includes a codried mixture of a carboxylated, water insoluble film-forming styrene butadiene polymer and a colloidal stabilizer, results in cement compositions having unexpectedly superior overall bonding strength and adhesion after water immersion. Use of the polyglycol provides good workability or ease of troweling during application. In addition, the RDP composition, which includes the RDP and the polyglycol, provides the cement-based composition with excellent abrasion resistance, surface appearance, and color. Also, the RDP composition provides for at least a 30% reduction, for example a 50% or more reduction in the amount of retarder or retardant employed in the dry mix formulation for cement compositions, such as self leveling flooring compounds or compositions, and cement-based tile adhesives.
Dombroski Juergen
Kuehn Hartmut
Lazarus Etienne
Lohmuller Gerald Adolf
Perello Margarita
Dow Europe Gmbh
Dow Olefinverbund Gmbh
Dow Stade Producktions Gmbh & Co. Ohg
Gowling Lafleur Henderson Llp
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