C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/20
C03C 25/00 (2006.01) C03C 13/00 (2006.01) C03C 25/66 (2006.01)
Patent
CA 2288804
The invention relates to A1203-containing and high- temperature resistant glass sliver on silica basis having a highly textile, cotton-like and voluminous character. The invention also relates to glass staple fiber products from said glass sliver and their use. The textile character and high-temperature resistance are obtained in particular by selective acid extraction. The composition of the inventive glass sliver comprises in particular SiO2 as main component and 1-5% (wt.) Al2O3 as subsidiary component.
L'invention concerne une mèche de verranne contenant de l'Al2O3 à haute résistance thermique et à fort caractère textile, à base d'acide silicique et présentant un caractère volumineux semblable à du coton, ainsi que des produits en verranne fabriqués avec cette mèche et leur utilisation. On obtient le caractère textile et la haute résistance thermique en particulier par une extraction d'acide sélective. La composition de la mèche de verranne selon l'invention comprend en particulier du SiO2 comme constituant principal ainsi que 1 à 5 % en poids d'Al2O3 comme constituant secondaire.
Focke Thomas
Lehr Sven
Borden Ladner Gervais Llp
Richter Robin
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