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    • 2. 发明授权
    • Cuprous pyrophosphate glasses
    • 焦磷酸铜眼镜
    • US5529961A
    • 1996-06-25
    • US367465
    • 1994-12-30
    • Bruce G. AitkenGeorge H. BeallJames E. Dickinson, Jr.
    • Bruce G. AitkenGeorge H. BeallJames E. Dickinson, Jr.
    • C03C3/16C03C3/17C03C3/19C03C3/21
    • C03C3/16
    • The subject invention is directed at glasses wherein either a portion of the ZnO or alkali metals, or both, is replaced by Cu.sub.2 O, i.e., monovalent copper. Specifically, the present invention is directed at a glass consisting essentially of, expressed in terms of mole percent on the oxide basis, 28-42% P.sub.2 O.sub.5, 15-30% Cu.sub.2 O, 10-30% R.sub.2 O, wherein R.sub.2 O is selected from the group consisting of 0-15% Li.sub.2 O, 0-20% Na.sub.2 O, and 0-10% K.sub.2 O, and up to a total of 45% of optional ingredients in the indicated proportions selected from the group consisting of 0-10% Al.sub.2 O.sub.3, 0-15% MgO, 0-20% CaO, 0-20% SrO, 0-20% BaO, 0-25% MgO+CaO+SrO+BaO, 0-35% ZnO, 0-10% MnO, 0-2% CeO.sub.2, 0-2% Ln.sub.2 O.sub.3, 0-10 Al.sub.2 O.sub.3 0-10% B.sub.2 O.sub.3, 0-10 Fe.sub.2 O.sub.3 0-10% Al.sub.2 O.sub.3 +B.sub.2 O.sub.3 +Fe.sub.2 O.sub.3, 0-7% MoO.sub.3 0-7% WO.sub.3 0-7% MoO.sub.3 +WO.sub.3, and 0-8% F, the latter as analyzed in weight percent. In addition, it is necessary that the predominate proportion of the copper in the glass is present in the cuprous or Cu.sup.+ oxidation state. These inventive glasses exhibit a transition temperature normally below about 300.degree. C., a working temperature below about 400.degree. C., while, at the same time, exhibiting excellent resistance to attack by water.
    • 本发明涉及其中一部分ZnO或碱金属或两者都被Cu 2 O替代的玻璃,即一价铜。 具体地说,本发明涉及基本上由以氧化物为基准的摩尔百分数表示的玻璃,28-42%的P2O5,15-30%的Cu2O,10-30%的R2O,其中R2O选自 由0-15%的Li 2 O,0〜20%的Na 2 O和0〜10%的K 2 O组成,最多可以以指定的比例选择总量为45%的选自0-10%的Al 2 O 3, 15%MgO,0-20%CaO,0-20%SrO,0-20%BaO,0-25%MgO + CaO + SrO + BaO,0-35%ZnO,0-10%MnO,0-2% CeO2,0-2%Ln2O3,0-10Al2O3 0-10%B2O3,0-10Fe2O3 0-10%Al2O3 + B2O3 + Fe2O3,0-7%MoO3 0-7%WO3 0-7%MoO3 + WO3, 和0-8%F,后者以重量百分比分析。 此外,玻璃中铜的主要比例必须以亚铜或Cu +氧化态存在。 这些本发明的玻璃的转变温度通常低于约300℃,工作温度低于约400℃,同时表现出优异的耐水侵蚀性。
    • 3. 发明授权
    • Cuprous metaphosphate glasses
    • 亚硫酸偏磷酸盐眼镜
    • US5529960A
    • 1996-06-25
    • US367466
    • 1994-12-30
    • Bruce G. AitkenGeorge H. BeallJames E. Dickinson, Jr.
    • Bruce G. AitkenGeorge H. BeallJames E. Dickinson, Jr.
    • C03C3/17C03C3/21C03C3/16C03C3/19
    • C03C3/21C03C3/17
    • The subject invention is directed at wherein either a portion of the ZnO or alkali metals, or both, found in prior art glasses, is replaced by Cu.sub.2 O, i.e., cuprous or monovalent copper. In addition to the Cu.sub.2 O substitution, the inventive glass contains a required metal oxide constituent which is necessary to enhance durability. More specifically, the present invention discloses a glass consisting essentially of, expressed in terms of mole percent on the oxide basis, of about 42-54% P.sub.2 O.sub.5, 10-30% Cu.sub.2 O, 10-30% R.sub. O and 3-12% of a component selected from the group consisting of 0-7% MoO.sub.3, 0-10 Fe.sub.2 O.sub.3, 0-10% Al.sub.2 O.sub.3 and 0-7%WO.sub.3. In addition, the composition includes up to a total of 45% of optional ingredients in the indicated proportions selected from the group consisting of 0-15% MgO, 0-20% CaO, 0-20% SrO, 0-20% BaO, 0-25% MgO+CaO+SrO+BaO, 0-35% ZnO, 0-10% MnO, 0-2% CeO.sub.2, 0-10% B.sub.2 O.sub.3, 0-2% Ln.sub.2 O.sub.3 , 0-8% F, the latter as analyzed in weight percent. The R.sub.2 O constituent is selected from the group consisting of 0-15% Li.sub.2 O, 0-20% Na.sub.2 O, and 0-10% K.sub.2 O. Furthermore, the Al.sub.2 O.sub.3 +Fe.sub.2 O.sub.3 does not exceed 10% and the MoO.sub.3 +WO.sub.3 does not exceed 7%. One final requirement of the glass is that the predominate proportion of the copper is present in the Cu.sup.+ or monovalent oxidation state.
    • 本发明涉及其中在现有技术的玻璃中发现的ZnO或碱金属的一部分或两者的一部分被Cu 2 O替代,即亚铜或一价铜。 除了Cu2O的取代之外,本发明的玻璃还含有必要的金属氧化物成分,这是提高耐久性所必需的。 更具体地说,本发明公开了一种玻璃,其基本上由以氧化物为基准的摩尔百分数表示,约42-54%的P 2 O 5,10-30%的Cu 2 O,10-30%的RO和3-12%的 选自0-7%MoO 3,0-10 Fe 2 O 3,0-10%Al 2 O 3和0-7%WO 3的组分。 此外,该组合物包含至多总计45%的任选成分,所指定的比例选自0-15%MgO,0-20%CaO,0-20%SrO,0-20%BaO, 0-25%MgO + CaO + SrO + BaO,0-35%ZnO,0-10%MnO,0-2%CeO 2,0-10%B 2 O 3,0-2%Ln 2 O 3,0-8%F 按重量百分比分析。 R2O成分选自0-15%Li2O,0-20%Na2O和0-10%K2O。 此外,Al2O3 + Fe2O3不超过10%,MoO3 + WO3不超过7%。 玻璃的一个最终要求是铜的主要比例存在于Cu +或一价氧化态中。