C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/25, 400/7319
C04B 35/06 (2006.01) C04B 35/01 (2006.01) C04B 35/057 (2006.01)
Patent
CA 1275342
METHOD FOR THE MANUFACTURE OF REFRACTORY BRICKS CONTAINING CaO ABSTRACT OF THE DISCLOSURE In the manufacture of refractory bricks containing CaO, a mixture is formed of a refractory composition of a material containing CaO and a binder composition, and bricks are moulded from the mixture. To avoid hydration of the CaO and avoid softening of the bricks on heating up, the material containing CaO is selected from burned lime, burned dolomite and mixtures and the binder composition is present in an amount in the range 1 to 10% by weight based on the weight of the mixture and consists mainly of a thermosetting novolak type phenol resin composition and an anhydrous solvent consisting of at least one organic solvent present in an amount of less than 40% by weight based on the weight of the binder. The solvent composition is chosen to be of a chemical nature such that, at least during mixing of the refractory composition and the binder composition, it substantially does not react with the CaO.
479027
Addink Jaap H.
Beelen Christiaan M. J. M.
de Boer Jurrie
Steen Adam
Verhoog Hendrik M.
Addink Jaap H.
Beelen Christiaan M. J. M.
de Boer Jurrie
Hoogovens Groep Bv
Ridout & Maybee Llp
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