C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 13/02 (2006.01) C03C 3/078 (2006.01) C03C 3/089 (2006.01) C03C 4/00 (2006.01) C03C 13/00 (2006.01)
Patent
CA 2106412
Described is an inorganic fiber comprising silica dioxide, calcium oxide, and alkali oxide having a free energy of hydration greater than (more positive than) -5.00 kcal/mol, an enthalpy of formation less than (more than negative than) -210.0 kcal/mol, a dissolution rate in simulated extra cellular fluid greater than 750 (calculated as nanograms of fiber/per square centimeter of fiber surface area/per hour) having an average fiber diameter not greater than 4.5 micrometers. Also described is a method of manufacturing the fibers.
L'invention décrit une fibre inorganique constituée de dioxyde de silicium, d'oxyde de calcium et d'un oxyde de métal alcalin, possédant une énergie libre d'hydratation supérieure (plus positive) à -5,00 kcal/mole, une enthalpie de formation inférieure (plus négative) à -210,0 kcal/mole, une vitesse de dissolution dans un fluide extracellulaire simulé supérieure à 750 nanogrammes de fibre/centimètre carré de surface de fibre/heure, et un diamètre moyen d'au plus 4,5 micromètres. L'invention décrit aussi une méthode de fabrication de ces fibres.
Bauer Jon F.
Schaal Kevin D.
Macrae & Co.
Schuller International Inc.
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