C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 7/04 (2006.01)
Patent
CA 2536766
The present invention provides for a refractory aggregate composition comprising an improved calcium aluminate clinker having the formula CnAx wherein C is calcium oxide and A is aluminum oxide, wherein n is an integer from about 1 to about 12, wherein x is an integer from about 1 to about 24, and wherein said clinker has less less than about fifty weight percent C12A7. Analogs, derivatives and hydrates of the improved calcium aluminate clinker are provided. A refractory composition and a sprayable refractory composition are disclosed comprising the improved calcium aluminate clinker.
L'invention concerne une composition granulaire réfractaire comprenant un clinker amélioré à base d'aluminate de calcium représenté par la formule CnAx, dans laquelle C représente l'oxyde de calcium et A représente l'oxyde d'aluminium, n vaut un entier compris entre environ 1 et environ 12, x vaut un entier compris entre environ 1 et environ 24, et ce clinker possède moins d'environ 50 % en poids de C12A7. L'invention concerne également des analogues, des dérivés et des hydrates du clinker amélioré à base d'aluminate de calcium. L'invention concerne en outre une composition réfractaire et une composition réfractaire pulvérisable comprenant le clinker amélioré à base d'aluminate de calcium.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Mcgowan Kenneth A.
LandOfFree
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