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    • 1. 发明授权
    • Borosilicate glass weak in boric acid
    • 硼酸玻璃薄弱的硼酸
    • US5599753A
    • 1997-02-04
    • US521325
    • 1995-08-30
    • Eckhart WatzkeAndrea KampferThomas KlossGerhard Kemmler
    • Eckhart WatzkeAndrea KampferThomas KlossGerhard Kemmler
    • C03C3/089C03C3/091C03C3/093C03C4/00
    • C03C3/093C03C3/091Y10S501/905
    • Borosilicate glass weak in boric acid having a high chemical stability with an alkali resistance according to DIN 52 322 of LBK-Class 1, a thermal expansion .alpha..sub.20/300 between 4.0 to 5.3.times.10.sup.-6 K.sup.-1, a ratio .alpha.'/.alpha. of thermal expansion coefficients above T.sub.g (.alpha.') to below T.sub.g (.alpha.) of 4 to 8, a glass transformation temperature between 500.degree. C. and 600.degree. C., high radiation transmittance and a UV transmission .tau..sub.250 nm/1 mm of 0 to 70% or .tau..sub.300 nm/1 mm of 0 to 91% of the composition in percent by weight on oxide basis of: SiO.sub.2 >75; B.sub.2 O.sub.3 1 to 83; SiO.sub.2 :B.sub.2 O.sub.3 >8; SiO.sub.2 +Al.sub.2 O.sub.3 +ZrO.sub.2 >83; Li.sub.2 O+Na.sub.2 O+K.sub.2 O 5 to 10; MgO+CaO+BaO+SrO+ZnO>3.
    • 具有高耐化学稳定性的硼酸硼酸玻璃,具有根据LBK-Class 1的DIN 52 322的耐碱性,4.0〜5.3×10-6K-1之间的热膨胀α20/300,α= 高于Tg(α')至低于Tg(α)的热膨胀系数为4至8,玻璃化转变温度在500℃至600℃之间,高透射率和UV透射率为250nm / 1mm的0 至70%或tau 300nm / 1mm,基于氧化物的重量百分比为0至91%的组成:SiO 2> 75; B2O3 1〜<9; Al2O3 3〜6; Li2O 0〜4; Na2O 0至8; K2O 0〜6; MgO 0〜3; CaO 0〜3; BaO 0〜2; SrO 0〜2; ZnO 0〜3; ZrO2 0〜3; SnO2 0〜3; SnO 0〜3; TiO2 0〜2; CeO2 0〜2; Fe2O3 0〜1; SiO2 + B2O3> 83; SiO2:B2O3> 8; SiO2 + Al2O3 + ZrO2> 83; Li2O + Na2O + K2O 5〜10; MgO + CaO + BaO + SrO + ZnO> 3。
    • 3. 发明授权
    • Borosilicate glass of high chemical resistance and low viscosity which
contains zirconium oxide and lithium oxide
    • 含有氧化锆和氧化锂的高耐化学性和低粘度的硼硅酸盐玻璃
    • US5736476A
    • 1998-04-07
    • US722668
    • 1996-09-30
    • Eckhart WatzkeAndrea KampferPeter BrixFranz Ott
    • Eckhart WatzkeAndrea KampferPeter BrixFranz Ott
    • A61J1/06B01L3/14C03C3/093C03C3/112C03C4/20
    • B01L3/5082C03C3/093A61J1/06
    • The invention relates to a borosilicate glass of high chemical resistance and low viscosity which contains zirconium oxide and lithium oxide. The borosilicate glass has hydrolytic resistance (in accordance with DIN ISO 719), class 1 acid resistance (in accordance with DIN 12116), and class 1 alkali resistance (in accordance with DIN ISO 659), and with a low operating temperature V.sub.A of between 1180.degree. C. to 1230.degree. C. and a coefficient of thermal expansion .alpha..sub.20/300 of 4.9.times.10.sup.-6 K.sup.-1. The borosilicate glass has the composition (in % by weight, based on oxide): SiO.sub.2 73-75; B.sub.2 0.sub.3 7-10; Al.sub.2 0.sub.3 5-7; ZrO.sub.2 1-3; Li.sub.2 0 0.5-1.5; Na.sub.2 0 0-10; K.sub.2 0 0-10; MgO 0-3; CaO 0-3; BaO 0-3; SrO 0-3; ZnO 0-3; ratio of SiO.sub.2 /B.sub.2 0.sub.3 .gtoreq.7.5; .SIGMA. SiO.sub.2 +Al.sub.2 0.sub.3 +ZrO.sub.2 80-83 and .SIGMA. MgO+CaO+BaO+SrO+ZnO.ltoreq.3, and fluorides 0-3. The glass is particularly suitable for use as a versatile primary packaging material for pharmaceuticals, for example as ampule glass.
    • 本发明涉及含有氧化锆和氧化锂的高耐化学性和低粘度的硼硅酸盐玻璃。 硼硅酸盐玻璃具有耐水解性(符合DIN ISO 719),1级耐酸性(符合DIN 12116)和1级耐碱性(符合DIN ISO 659标准),并具有低的工作温度VA 1180℃至1230℃,热膨胀系数α20/300为4.9×10 -6 K -1。 硼硅酸盐玻璃的组成(以重量%计,基于氧化物):SiO 2 73-75; B203 7-10; Al203 5-7; ZrO2 1-3; Li20 0.5-1.5; Na20 0-10; K20 0-10; MgO 0-3; CaO 0-3; BaO 0-3; SrO 0-3; ZnO 0-3; SiO 2 / B 2 O 3的比例> = 7.5; SIGMA SiO 2 + Al 2 O 3 + ZrO 2 80-83和SIGMA MgO + CaO + BaO + SrO + ZnO 3,氟化物0-3。 该玻璃特别适合用作药物的通用初级包装材料,例如作为安瓿玻璃。