C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/38
C04B 35/14 (2006.01) C04B 28/34 (2006.01) C04B 35/44 (2006.01) C04B 35/63 (2006.01)
Patent
CA 1134869
ABSTRACT OF THE DISCLOSURE An improved binder is based upon an aluminum phosphate gelled colloidal silica. The composition of the binder may vary within the following limits (calcined basis):- Colloidal Silica as SiO2 60 -- 85% by weight P2O5 5 -- 35% by weight Al2O3 5 -- 15% by weight Compared to known materials, this binder has improved strength and resis- tance to chemical attack.
350884
Nalco Chemical Company
Smart & Biggar
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