C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 1/02 (2006.01) C03B 1/00 (2006.01)
Patent
CA 2373042
A method for preparing pre-reacted batches of raw materials substantially free from carbon dioxide for the production of glass formulas, comprising: mixing stoichiometric amounts of substances containing molecular systems of silica-sodium, silica-sodium-calcium, silica-sodium-magnesium, silica-calcium-magnesium, silica-sodium-calcium-magnesium and mixtures thereof, having reaction temperatures which do not form a liquid phase, which are selected from invariant points or from points on a line connecting invariant points of phase diagrams of said molecular systems, to complete a desired molecular glass formula.
L'invention concerne un procédé de préparation de charges mises en réaction au préalable de matières premières essentiellement exemptes de bioxyde de carbone pour la production de formules de verre consistant à mélanger des quantités stoechiométriques de substances contenant des systèmes moléculaires de silicium-sodium, silicium-sodium-calcium, silicium-sodium-magnésium, silicium-calcium-magnésium, silicium-sodium-caclium-magnésium et leurs mélanges. Ces substances sont soumises à des températures auxquelles la réaction ne forme pas de phase liquide et qui sont sélectionnées à partir de points invariants ou de points sur une ligne reliant les points invariants de diagrammes de phases de ces systèmes moléculaires, afin d'obtenir une formule moléculaire souhaitée.
Bolio Arceo Hugo
Pita Szczesniewski Antonio
Marks & Clerk
Vitro Corporativo S.a. de C.v.
Vitro Global S.a.
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