C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/00 (2006.01) C04B 24/06 (2006.01) C04B 24/26 (2006.01) C04B 40/00 (2006.01)
Patent
CA 2495828
A fluidising admixture for use with sprayable cementitious compositions, the admixture consists of 2-phosphonobutane-1,2,4-tricarboxylic acid and at least one selected polymer derived from ethylenically-unsaturated mono-or dicarboxylic acids. Citric acid may optionally be present. The admixture has good fluidising properties and outstanding shelf-life.
Ce mélange fluidifiant, à utiliser avec des compositions cimentaires pulvérisables, est constitué de 2-phosphonobutane-1,2,4-acide tricarboxylique et d'au moins un polymère sélectionné, dérivé d'acides monocarboxyliques ou dicarboxyliques, le mélange pouvant éventuellement contenir de l'acide citrique. Ce mélange, qui possède de bonnes propriétés fluidifiantes, fait montre d'une longévité de conservation exceptionnelle.
Albrecht Gerhard
Oppliger Max
Yang Qiwei
Zink Hubertus Matthias
Construction Research & Technology Gmbh
Gowling Lafleur Henderson Llp
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