Glass compositions

Details Glass compositions Glass compositions

C - Chemistry, Metallurgy

03

C

C03C 13/00 (2006.01) C03C 3/087 (2006.01) C03C 3/093 (2006.01)

Patent

CA 2494941

Disclosed are glass compositions and glass fibers formed from certain embodiments of the disclosed glass compositions. Certain embodiments of the glass compositions include, among other components, bismuth oxide. Certain embodiments of the glass composition include about 0.5-30 % bismuth oxide of the composition by weight and silica oxide at about 54-70 % of the composition by weight. Embodiments of the glass compositions may also include other components. For example, zinc oxide can make up about 0.01-5 % of the composition by weight.

L'invention concerne des compositions de verre et des fibres de verre formées à partir de certains modes de réalisation des compositions de verre. Certains modes de réalisation des compositions de verre comprennent, entre autres constituants, de l'oxyde de bismuth. Certains modes de réalisation des compositions de verre comprennent environ 0,5 à 30 % en poids d'oxyde de bismuth de la composition, et environ 54 à 70 % en poids d'oxyde de silice de la composition. Des modes de réalisation des compositions de verre de l'invention peuvent également comprendre d'autres constituants. Par exemple, l'oxyde de zinc peut constituer jusqu'à environ 0,01 à 5 % en poids de la composition.

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