C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/40 (2006.01) C04B 28/14 (2006.01)
Patent
CA 2746667
Provided herein are mixtures, emulsions and other additives for use in manufacturing gypsum wallboard. The mixtures and emulsions may be wax-based emulsions or wax-free mixtures or emulsions, with wax-based emulsions including water, at least one wax, a dispersant which may include sulfur or a sulfur-containing group, and an additive comprising an organic titanium compound or organic zirconium compound. Mixtures may also be prepared including water, a dispersant; and an additive comprising an organic titanium compound or organic zirconium compound. Gypsum slurries may be prepared using such emulsions and mixtures and/or through addition of an organic titanium compound or organic zirconium compound.
L'invention porte sur des mélanges, des émulsions et dautres additifs en vue d'une utilisation dans la fabrication de panneaux de Placoplâtre. Les mélanges et émulsions peuvent être des émulsions à base de cire ou des mélanges ou émulsions sans cire, les émulsions à base de cire renfermant de l'eau, au moins une cire, un dispersant qui peut renfermer du soufre ou un groupe contenant du soufre, et un additif renfermant un composé organique du titane ou un composé organique du zirconium. Linvention concerne également des mélanges renfermant de l'eau, un dispersant et un additif renfermant un composé organique du titane ou d'un composé organique du zirconium. Des bouillies de gypse peuvent être préparées à l'aide de ces émulsions et mélanges et/ou par addition d'un composé organique du titane ou d'un composé organique du zirconium.
Burns John H.
Mahoney Dennis Michael
Stuart Jonathan
Gowling Lafleur Henderson Llp
Henry Company Llc
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