-
公开(公告)号：US4550087A
公开(公告)日：1985-10-29
申请号：US650194
申请日：1984-09-13
摘要： This invention is directed to the preparation of haze-free photochromic glasses which darken to a comfort range, i.e., a luminous transmittance of about 40-60%, which exhibit very rapid fading, and which demonstrate excellent temperature dependence. The glasses consist essentially, in weight percent with the levels of Ag, Cu.sub.2 0, C1, and Br representing values as analyzed in the glass, of:______________________________________ Li.sub.2 O 0-2.5 P.sub.2 O.sub.5 0-25 Na.sub.2 O 0-9 SiO.sub.2 20-65 K.sub.2 O 0-17 Ag 0.115-0.145 Cs.sub.2 O 0-6 Br 0.11-0.155 Li.sub.2 O + Na.sub.2 O + K.sub.2 O + Cs.sub.2 O 8-20 B.sub.2 O.sub.3 14-23 Cu.sub.2 O 0.007-0.011 Al.sub.2 O.sub.3 5-25 Cl 0.1-0.15 ______________________________________ and wherein the molar ratio alkali metal oxide: B.sub.2 0.sub.3 ranges between about 0.55-0.85, the weight ratio Ag:(C1+Br) ranges between about 0.65-0.95, and the sum of Ag+Br is at least 0.26%, when the Br content is 0.11%, and at least 0.25% when the Ag content is 0.115%.
摘要翻译： 本发明涉及无雾的光致变色玻璃的制备，其变暗到舒适范围，即约40-60％的透光率，其显示出非常快的褪色，并且显示出优异的温度依赖性。 玻璃基本上以重量百分比组成，其中Ag，Cu 2 O，C 1和Br的含量表示在玻璃中分析的值：-Li 2 O 0-2.5 P 2 O 5 0-25 -Na 2 O 0-9 SiO 2 20-65-K 2 O 0-17 Ag 0.115-0.145 -Cs2O 0-6 Br 0.11-0.155 -Li2O + Na2O + K2O + Cs2O 8-20 -B2O3 14-23 Cu2O 0.007-0.011 -Al2O3 5-25 Cl 0.1-0.15 - 其中摩尔 比例的碱金属氧化物：B203的范围在约0.55-0.85之间，Ag：（C1 + Br）的重量比在约0.65-0.95之间，Ag + Br的总和至少为0.26％，当Br含量为0.11％ ，当Ag含量为0.115％时为至少0.25％。
-
公开(公告)号：US4608349A
公开(公告)日：1986-08-26
申请号：US797223
申请日：1985-11-28
申请人： David J. Kerko , David W. Morgan , David L. Morse
发明人： David J. Kerko , David W. Morgan , David L. Morse
摘要： Photochromic glass compositions for thin refractive-index-corrected lens elements consisting essentially of about:______________________________________ SiO.sub.2 54-58% B.sub.2 O.sub.3 18-22% Al.sub.2 O.sub.3 7-8% Li.sub.2 O 3.75-4.5% Na.sub.2 O 0-1% K.sub.2 O 5.5-7.5% TiO.sub.2 0-2% ZrO.sub.2 2-4.5% Ag 0.20-0.33% Cl 0.30-0.50% Br 0.04-0.12% CuO 0.007-0.012% PbO 0-0.08% Sb.sub.2 O.sub.3 0-0.20% ______________________________________ having a Li.sub.2 O:Na.sub.2 O molar ratio of at least 9:1 and exhibiting good darkening, fast fading, good chemical strengthenability and neutral dark-state coloration at thicknesses on the order of 1 mm, are described.
摘要翻译： 用于薄折射率校正透镜元件的光致变色玻璃组合物，其基本上由以下组成：-SiO 2 54-58％-B 2 O 3 18-22％-Al 2 O 3 7-8％-Li 2 O 3.75-4.5％-Na 2 O 0-1％-K 2 O 5.5 -7.5％-TiO 2 0-2％-ZrO2 2-4.5％-Ag 0.20-0.33％-Cl 0.30-0.50％-Br 0.04-0.12％-CuO 0.007-0.012％-PbO 0-0.08％-Sb2O3 0-0.20 ％ - 具有至少9:1的Li 2 O:Na 2 O摩尔比，并且在1mm的厚度下表现出良好的变暗，快速褪色，良好的化学强化性和中性暗态着色。
-
公开(公告)号：US4549894A
公开(公告)日：1985-10-29
申请号：US617908
申请日：1984-06-06
摘要： There is disclosed a method of producing a photochromic glass having a reduced transmittance for ultraviolet radiation while having substantially unimpaired photochromic properties. The method comprises providing a combination of 0.1-1.0% CeO.sub.2 and 0.1-1.5% Sb.sub.2 O.sub.3 and/or As.sub.2 O.sub.3 as part of the glass composition. In an embodiment utilizing minimal silver content, the glass article in thicknesses of 1.3 to 2.0 mm. can be chemically strengthened to surpass the impact specification imposed by the Federal Food and Drug Administration for eyewear, will transmit less than 0.2% of radiation having wavelengths between 290-315 nm, and will demonstrate a darkened luminous transmittance at 20.degree.-25.degree. C. below 35% and a fading rate such that after five minutes the luminous transmittance will be at least 1.75 times that of the darkened transmittance. These glasses consist essentially of:______________________________________ SiO.sub.2 55-61 Ag >0.1-
摘要翻译： 公开了一种具有降低的紫外线辐射透射率而具有基本上未受损的光致变色特性的光致变色玻璃的方法。 该方法包括提供0.1-1.0％CeO 2和0.1-1.5％Sb 2 O 3和/或As 2 O 3的组合作为玻璃组合物的一部分。 在使用最小银含量的实施方案中，玻璃制品的厚度为1.3至2.0mm。 可以化学强化超过联邦食品和药物管理局对眼镜施加的影响规格，将传播波长在290-315 nm之间的辐射不到0.2％，并将在20°-25°C显示变暗的透光率 低于35％，并且褪色速率使得在5分钟后，透光率将至少为透光度变暗的1.75倍。 这些玻璃基本上由以下组成：-SiO2 55-61 Ag> 0.1- <0.2- B2O3 18-21 Cl 0.2-0.6 -Al2O3 5-11 Br 0.05-0.2 -Li2O 1.5-3 CuO 0.003-0.015 -Na2O 2-5 CeO2 0.1-1.0 -K2O 4.5-8 Sb2O3 0.1-1.5 -
-
公开(公告)号：US5405811A
公开(公告)日：1995-04-11
申请号：US202777
申请日：1994-02-28
申请人： David J. Kerko , David W. Morgan
发明人： David J. Kerko , David W. Morgan
CPC分类号： C03C4/02 , C03C3/091 , C03C4/085 , Y10S501/905
摘要： This invention is directed to a transparent glass which, at a thickness of 2 mm, transmits less than 1% of ultraviolet radiation having a wavelength of 380 nm and exhibits a green fixed tint bounded by apices A,C,D,E,A of the drawing, a purity between 18-32%, and a dominant wavelength between 554-564 nm, said glass having a composition consisting essentially, expressed in terms of weight percent on the oxide basis, of______________________________________ SiO.sub.2 65-72 Na.sub.2 O + K.sub.2 O 15-21 B.sub.2 O.sub.3 3-8 CaO 0-4 Al.sub.2 O.sub.3 0.5-5 ZnO 0-9 Na.sub.2 O 6-12 CaO + ZnO 1-5 K.sub.2 O 6-12 Fe.sub.2 O.sub.3 4.8-7. ______________________________________
摘要翻译： 本发明涉及一种透明玻璃，其厚度为2mm，透射小于1％的波长为380nm的紫外线辐射，并呈现由A，C，D，E，A的顶点A， 该图的纯度在18-32％之间，主波长在554-564nm之间，所述玻璃具有基本上以氧化物为基准以-SiO 2 65-72 Na 2 O + K 2 O 15表示的组成 -21 -B2O3 3-8 CaO 0-4-Al2O3 0.5-5 ZnO 0-9 -Na2O 6-12 CaO + ZnO 1-5-K2O 6-12 Fe2O3 4.8-7。 -
-
公开(公告)号：US5403789A
公开(公告)日：1995-04-04
申请号：US202774
申请日：1994-02-28
CPC分类号： C03C3/089 , C03C4/02 , C03C4/085 , Y10S501/905
摘要： A transparent glass which, at a thickness of 2 mm, transmits less than 1% of ultraviolet radiation having a wavelength of 380 nm and exhibits a brown fixed tint bounded by apices A, B, D, F, A of the drawing, a purity between 48-70%, and a dominant wavelength between 580-588 nm, said glass having a composition consisting essentially, expressed in terms of weight percent on the oxide basis, of______________________________________ SiO.sub.2 65-72 CaO 0-5.5 B.sub.2 O.sub.3 3-8 ZnO 0-4 Na.sub.2 O 6-10 CaO + ZnO 2-5.5 K.sub.2 O 7-12 Fe.sub.2 O.sub.3 3-5 Na.sub.2 O + K.sub.2 O 15-20 Se 0.01-2 Al.sub.2 O.sub.3 0-4 NiO 0-0.12. ______________________________________
摘要翻译： 透明玻璃，其厚度为2mm，透射小于1％的波长为380nm的紫外线辐射，并呈现由图中顶点A，B，D，F，A界定的棕色固定色调，纯度为 在48-70％之间，主波长在580-588nm之间，所述玻璃的组成基本上以氧化物的重量百分数表示，-SiO 2 65-72 CaO 0-5.5 -B 2 O 3 3-8 ZnO 0-4 -Na2O 6-10 CaO + ZnO 2-5.5-K2O 7-12 Fe2O3 3-5 -Na2O + K2O 15-20 Se 0.01-2 -Al2O3 0-4 NiO0-0.12。 -
-
公开(公告)号：US5268335A
公开(公告)日：1993-12-07
申请号：US982562
申请日：1992-11-27
申请人： David J. Kerko , Josef C. Lapp , David W. Morgan
发明人： David J. Kerko , Josef C. Lapp , David W. Morgan
CPC分类号： C03C3/091 , C03C4/085 , Y10S501/905
摘要： This invention is directed to the production of transparent glasses which can be chemically strengthened within a period of time not exceeding four hours to develop a surface compression layer having a sufficient depth to survive the Drop Ball Test after abrasion, the glasses consisting essentially, in weight percent, of______________________________________ SiO.sub.2 55-65 CaO 0-1.5 B.sub.2 O.sub.3 5-20 MgO 0-4 Al.sub.2 O.sub.3 4-10 TiO.sub.2 0-4 B.sub.2 O.sub.3 + Al.sub.2 O.sub.3 14-26 ZrO.sub.2 0-7 Li.sub.2 O 0-3 MgO + TiO.sub.2 + ZrO.sub.2 0-10 Na.sub.2 O 6-18 As.sub.2 O.sub.3 0-0.5 K.sub.2 O 2-10 ZnO 0-1.5 Li.sub.2 O + Na.sub.2 O + K.sub.2 O 13-22. ______________________________________ Where desired, 3.5-5.5% Fe.sub.2 O.sub.3 may be included to yield glasses which, at a thickness of 2 mm, will not transmit more than 1% of ultraviolet radiation at a wavelength of 380 nm. Where an ultraviolet absorbing glass exhibiting a neutral gray, fixed tint is desired, 0.02-0.035% Co.sub.3 O.sub.4 and 0.08-0.2% NiO will be added.
-
公开(公告)号：US5244845A
公开(公告)日：1993-09-14
申请号：US955695
申请日：1992-10-02
申请人： David J. Kerko , David W. Morgan
发明人： David J. Kerko , David W. Morgan
CPC分类号： C03C4/06 , C03C3/11 , Y10S428/913
摘要： A composition for a photochromic glass consisting essentially of, in approximate calculated weight percent, about:______________________________________ SiO.sub.2 54-58% Ag 0.18-0.33% B.sub.2 O.sub.3 18-22% Cl 0.25-0.50% Al.sub.2 O.sub.3 7-8% Br 0.04-0.12% Li.sub.2 O 3.75-4.5% CuO 0.007-0.012% Na.sub.2 O 0-1% PbO 0-0.08% K.sub.2 O 5.5-7.5% Sb.sub.2 O.sub.3 0-0.20% TiO.sub.2 0-2% Pd 1-6 ppm ZrO.sub.2 2-4.5% ______________________________________ plus 0-1.0% Er.sub.2 O.sub.3 and/or 0-10 ppm Au, the mole ratio of Li.sub.2 O:Na.sub.2 O being equal to or greater than 9:1 and the glass having a coloration in the fully darkened state corresponding to chromaticity coordinates, in accordance with the 1931 C.I.E. trichromatic colorimetric system, that fall within the trapezoid ABCDA in the drawing for a 1.1 mm glass thickness, and within the trapezoid EFGHE for a 2 mm glass thickness.
-
公开(公告)号：US5256607A
公开(公告)日：1993-10-26
申请号：US982561
申请日：1992-11-27
申请人： David J. Kerko , David W. Morgan
发明人： David J. Kerko , David W. Morgan
CPC分类号： C03C3/089 , C03C1/10 , C03C4/02 , C03C4/085 , Y10S501/905
摘要： A transparent glass which, at a thickness of 2 mm, does not transmit more than about 1% of ultraviolet radiation at a wavelength of 380 nm and exhibits a neutral gray, fixed tint bounded by apices A, B, C, D, A of the drawing, a purity no higher than 6, and a luminous transmittance between 10-16, said glass having a composition consisting essentially, expressed in terms of weight percent on the oxide basis, of______________________________________SiO.sub.2 65-72 CaO 0-1.5B.sub.2 O.sub.3 2-6 Al.sub.2 O.sub.3 + CaO 0.2-2.25Na.sub.2 O 6-10 As.sub.2 O.sub.3 0-0.3K.sub.2 O 10-16 Fe.sub.2 O.sub.3 4.8-6.2Na.sub.2 O + K.sub.2 O 17-23 Co.sub.3 O.sub.4 0.012-0.02K.sub.2 O:Na.sub.2 O 1.25-2.25 NiO 0.16-0.21Al.sub.2 O.sub.3 0-2.25 ZnO 0-1.5.______________________________________
-
公开(公告)号：US5256601A
公开(公告)日：1993-10-26
申请号：US957359
申请日：1992-10-07
摘要： A silver halide photochromic glass hasa. a clear luminous transmittance of about 90%,b. A darkened luminous transmittance at 20.degree. C. below about 25%.c. A fading rate at 20.degree. C. such that, after a five minute fading interval, the glass exhibits a percent faded luminous transmittance that is no more than the darkened luminous transmittance percentage plus 15. The glass has an R.sub.2 O--Al.sub.2 O.sub.3 --B.sub.2 O.sub.3 --SiO.sub.2 base composition, contains as additives, in percent by weight, 0.1-0.3% Ag, 0.25-1.0% Cl, 0-0.2% Br, 0.25-1.0% Cl+Br, the ratio of Ag:(Cl+Br) being 0.15-0.65, 0.003-0.015% CuO and 0.1-1.0% PbO and the total R.sub.2 O content is 8-13.5%, wherein R.sub.2 O consists of Li.sub.2 O+Na.sub.2 O +K.sub.2 O.
-
公开(公告)号：US06177371B1
公开(公告)日：2001-01-23
申请号：US09289520
申请日：1999-04-09
IPC分类号： C03C406
摘要： A fixed tint, photochromic glasses and sunglass lenses produced therefrom. The glasses have R2O—Al2O3—B2O3—SiO2 base compositions, contain silver chloride and bromide contents as photochromic constituents and 0.27-0.38% and 0.035-0.060%, both by weight percent, as glass colorants, the NiO:Co3O4 ratio being at least 6:1.
摘要翻译： 由其制成的固定色调，光致变色眼镜和太阳镜。 该玻璃具有R2O-Al2O3-B2O3-SiO2基础组合物，其中氯化银和溴化物含量为光致变色成分，0.27-0.38％和0.035-0.060％（以重量百分比计）作为玻璃着色剂，NiO：Co 3 O 4比至少为 6：1。
-
-
-
-
-
-
-
-
-
搜索结果
38 条记录 (耗时 0.031 秒)
