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    • 4. 发明授权
    • Molecular, inorganic glasses
    • 分子,无机眼镜
    • US06503859B1
    • 2003-01-07
    • US09894587
    • 2001-06-28
    • Bruce G. Aitken
    • Bruce G. Aitken
    • C03C332
    • C03C3/321C03C4/10
    • The invention resides in a molecular, inorganic glass and a method of making the glass, the glass being vitreous and resistant to devitrification, that is composed, in substantial part at least, of thermally-stable, zero-dimensional clusters or molecules, composed of four atoms of arsenic and three atoms of sulfur, the glass further containing up to 12 atomic percent of germanium, adjoining clusters being bonded to each other primarily by van der Waals forces, and at least 95% of the glass composition consisting of 42-60% arsenic, 37-48% sulfur plus selenium, the selenium being 0-14%.
    • 本发明在于一种分子,无机玻璃和一种制造玻璃,玻璃是玻璃体并且耐失透的方法,其至少部分地由热稳定的零维簇或分子组成,其由 四个原子的砷和三个原子的硫,玻璃还含有最多12原子%的锗,相邻的簇主要通过范德华力彼此结合,并且至少95%的玻璃组合物由42-60 %砷,37-48%硫加硒,硒为0-14%。
    • 10. 发明授权
    • Durable Sb-stabilized Mo+W phosphate glasses
    • 耐久的Sb稳定的Mo + W磷酸盐玻璃
    • US06432851B1
    • 2002-08-13
    • US09583600
    • 2000-05-31
    • Bruce G. Aitken
    • Bruce G. Aitken
    • C03C804
    • C03C3/21
    • A durable low Tg Sb-stabilized Mo+W phosphate based glass composition exhibiting superior resistance to attack by boiling water, humidity and acids resulting from the addition of Sb to Mo+W phosphate based glass compositions. Specifically, the present invention discloses a glass composition comprising in mol % on the oxide basis, of 0-40% R2O where R includes the alkali metals (Li, Na, K, Rb or Cs) as well as Ag and Tl, 0-20% XO where X includes the alkaline earth metals (Mg, Ca, Sr or Ba) as well as Cu, Zn, Cd and Pb, 15-80% MoO3+WO3, 0.5-60% Sb2O3, and 10-40% P2O5. Additionally, the Sb-stabilized Mo+W phosphate based glass composition can contain a total of 0-5%, in mole percent (mol %) on the oxide basis, of glass forming oxides including, but not limited to, B2O3, Al2O3, SiO2, TeO2, Ga2O3, GeO2, transition metal and rare earth metal oxides, or mixtures thereof. The resulting durable Sb-stabilized Mo+W phosphate based glass compositions are particularly useful as refractory adhesives, sealing glass frits, and overcladding material for glass fiber.
    • 耐久的低Tg Sb稳定的Mo + W磷酸盐基玻璃组合物,其显示出优异的抗沸水,湿度和由添加Sb至Mo + W磷酸盐基玻璃组合物产生的酸所引起的酸的抵抗力。 具体地说,本发明公开了一种玻璃组合物,其以氧化物的摩尔%计含有0-40%的R 2 O,其中R包括碱金属(Li,Na,K,Rb或Cs)以及Ag和Tl, 20%XO,其中X包括碱土金属(Mg,Ca,Sr或Ba)以及Cu,Zn,Cd和Pb,15-80%MoO3 + WO3,0.5-60%Sb2O3和10-40%P2O5 。 另外,Sb稳定化的Mo + W磷酸盐系玻璃组合物可以含有以氧化物为基准的0-5%(摩尔%)的玻璃形成氧化物,包括但不限于B2O3,Al2O3, SiO 2,TeO 2,Ga 2 O 3,GeO 2,过渡金属和稀土金属氧化物,或其混合物。 得到的耐久的Sb稳定的Mo + W磷酸盐基玻璃组合物特别可用作耐火粘合剂,密封玻璃料和用于玻璃纤维的外包装材料。