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公开(公告)号：US4349634A
公开(公告)日：1982-09-14
申请号：US176838
申请日：1980-08-11
申请人： Harry Owen , Edric Ellis
发明人： Harry Owen , Edric Ellis
CPC分类号： C03C4/06
摘要： A process for producing a photochromic glass which will exhibit a brown coloration in its darkened state without a degradation in the photochromic properties of the glass taking place. The process includes the steps of forming a batch of specified components which include tin or a tin compound and subjecting the resultant batch to a series of glass-forming steps so as to develop photochromic properties in a glass article formed from the molten batch.The invention also provides a photochromic glass having silver halide crystals and tin dispersed throughout the glass, the glass having in its darkened state a brown coloration which is described in accordance with the Hunter L,a,b, Color Scale System by the rectangular region having corners defined by the (a,b) co-ordinates: (5,1), (1,5), (12,16) and (16,12), the 1/2 OD FT of the glass being 120 seconds or less.
摘要翻译： 一种光致变色玻璃的制造方法，其将在其变暗状态下呈现棕色着色，而不发生玻璃的光致变色性能的劣化。 该方法包括以下步骤：形成一批包括锡或锡化合物的指定组分，并对所得批料进行一系列玻璃形成步骤，以便在由熔融批料形成的玻璃制品中显现光致变色性能。 本发明还提供了一种具有卤化银晶体和分散在整个玻璃中的锡的光致变色玻璃，该玻璃处于其变暗状态，呈棕褐色，其根据亨特L，a，b，彩色比例系统描述，该矩形区域具有 由（a，b）坐标定义的拐角：（5,1），（1,5），（12,16）和（16,12），玻璃的1/2 OD FT为120秒， 减。
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公开(公告)号：US4309217A
公开(公告)日：1982-01-05
申请号：US180964
申请日：1980-08-25
申请人： George H. Beall
发明人： George H. Beall
摘要： A polychromatic glass article, colored by silver, is disclosed wherein the silver occurs as an anisotropic film at the surface of lithium bromide spherulites which crystallize directly on silver nuclei from lithium silicate and lithium aluminosilicate glasses. The article is produced by sequential radiation exposures and heat treatments of the glass.
摘要翻译： 公开了一种由银染色的多色玻璃制品，其中银在溴化锂球晶的表面以各向异性膜的形式出现，其直接在硅核上从硅酸锂和铝硅酸铝玻璃结晶。 该物品是通过对玻璃的连续辐射照射和热处理而产生的。
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公开(公告)号：US4240836A
公开(公告)日：1980-12-23
申请号：US95435
申请日：1979-11-19
CPC分类号： C03C4/06 , Y10S428/913
摘要： Surface-colored photochromic glass articles produced by reduction heat treatments at 450.degree. C. and below which exhibit induced absorption peaks at longer wavelengths than prior art glasses, and surface colors such as orange, red, purple and blue, are described.
摘要翻译： 描述了通过在450℃以下的还原热处理产生的表面着色光致变色玻璃制品，其在比现有技术的玻璃更长的波长处表现出诱导的吸收峰，以及表面颜色如橙色，红色，紫色和蓝色。
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公开(公告)号：US4194916A
公开(公告)日：1980-03-25
申请号：US18945
申请日：1979-03-09
申请人： Ken Kumata , Hiroshi Namikawa
发明人： Ken Kumata , Hiroshi Namikawa
CPC分类号： C03C3/078 , C03C3/253 , C03C4/065 , Y10S501/90
摘要： A reversibly photosensitive glass consisting of cadmium oxide, germanium dioxide, sodium oxide and thallous oxide. A reversibly photosensitive glass consisting of silicon dioxide, sodium oxide, cadmium oxide and thallous oxide.
摘要翻译： 由氧化镉，二氧化锗，氧化钠和氧化铊组成的可逆感光玻璃。 由二氧化硅，氧化钠，氧化镉和氧化铊组成的可逆感光玻璃。
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公开(公告)号：US4190451A
公开(公告)日：1980-02-26
申请号：US14981
申请日：1979-02-28
CPC分类号： C03C4/06 , Y10S501/903
摘要： The instant invention is concerned with transparent photochromic glass compositions which not only exhibit desirably rapid darkening and fading characteristics, but which also demonstrate the other physical and optical properties required for use in ophthalmic applications. Such glasses utilize the presence of silver chloride and/or silver bromide crystals to impart photochromic behavior in a narrowly-defined composition range within the alkali metal aluminoborosilicate base system. Copper ions are also included in the composition to perform as a sensitizing agent. The glasses have the capability of being either thermally tempered or chemically strengthened to comply with the United States Food and Drug Administration regulations for lenses used in ophthalmic applications. Improved independence of temperature effects upon the photochromic properties can be achieved where the copper level, expressed as CuO, is maintained between about 0.004-0.02% by weight, the chloride value, expressed as Cl, is held between about 0.1-0.25% by weight, the silver content, expressed as Ag, is included between about 0.15-0.3% by weight, and the quantity of bromide, expressed as Br, is varied between about 0.1-0.2% by weight. The fading rate of the glasses is enhanced by maintaining the molar ratio of alkali metal oxides to B.sub.2 O.sub.3 between about 0.55-0.85, the molar ratio of alkali metal oxides minus Al.sub.2 O.sub.3 to B.sub.2 O.sub.3 is about 0.25-0.4, and the weight ratio Ag:(Cl+Br) is about 0.65-0.95.
摘要翻译： 本发明涉及透明光致变色玻璃组合物，其不仅表现出期望的快速变暗和褪色特性，而且还显示了用于眼科应用所需的其它物理和光学性质。 这种玻璃利用氯化银和/或溴化银晶体的存在，以在碱金属铝硼硅酸盐基体系内的窄范围的组成范围内赋予光致变色行为。 铜离子也包括在组合物中以用作敏化剂。 眼镜具有热回火或化学强化的能力，以符合美国食品和药物管理局对眼科应用中使用的镜片的规定。 可以实现温度对光致变色性能的独立性，其中以CuO表示的铜含量维持在约0.004-0.02重量％之间，氯化物值（以Cl表示）保持在约0.1-0.25重量％ ，以Ag表示的银含量在约0.15-0.3重量％之间，以Br表示的溴的量在约0.1-0.2重量％之间变化。 通过将碱金属氧化物与B 2 O 3的摩尔比保持在约0.55-0.85之间，碱金属氧化物减去Al 2 O 3与B 2 O 3的摩尔比为约0.25-0.4，并且重量比Ag Cl + Br）为约0.65-0.95。
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公开(公告)号：US4166745A
公开(公告)日：1979-09-04
申请号：US861129
申请日：1977-12-16
申请人： Roger J. Araujo , Paul A. Tick
发明人： Roger J. Araujo , Paul A. Tick
CPC分类号： C03C4/065 , C03C21/002 , Y10S501/903 , Y10T428/24992 , Y10T428/315
摘要： Alkali boroaluminosilicate glass compositions providing refractive index-corrected copper-cadmium halide photochromic glasses of optical quality, particularly useful for making ophthalmic lenses, are described. Ion-exchange-strengthenable glasses exhibiting good chemical durability and a satisfactory liquidus-viscosity relationship in combination with good photochromic properties and the required refractive index are also provided.
摘要翻译： 描述了提供光学质量的折射率校正的铜 - 镉卤化物光致变色玻璃的碱性硼硅铝酸盐玻璃组合物，特别可用于制造眼镜。 还提供了具有良好的化学耐久性和良好的液相粘度关系以及良好的光致变色性能和所需折射率的离子交换强化玻璃。
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公开(公告)号：US4108674A
公开(公告)日：1978-08-22
申请号：US733046
申请日：1976-10-18
申请人： Georg Gliemeroth
发明人： Georg Gliemeroth
CPC分类号： C03C3/062 , C03C21/001 , C03C21/002 , C03C3/097 , C03C4/06 , Y10S501/903
摘要： A phototropic glass containing P.sub.2 O.sub.5 as the principal component and, as agents imparting phototropy, silver and halogen in non-crystalline form.
摘要翻译： 含有P2O5作为主要成分的光热玻璃，作为赋予光熵的试剂，以非结晶形式存在银和卤素。
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公开(公告)号：US4102693A
公开(公告)日：1978-07-25
申请号：US764315
申请日：1977-01-31
申请人： Harry Owen , Thomas Barrow
发明人： Harry Owen , Thomas Barrow
CPC分类号： C03C3/064 , C03C4/06 , Y10S501/903
摘要： Fast-response photochromic boro-silicate glasses which have silver halide crystals dispersed throughout the glass and are free from barium, comprise, in weight percentages:______________________________________ SiO.sub.2 31 to 59% B.sub.2 O.sub.3 18 to 28% Al.sub.2 O.sub.3 8 to 20% R.sub.2 O 6 to 16% ______________________________________ Where R.sub.2 O represents one or more of Li.sub.2 O, Na.sub.2 O and K.sub.2 O in amounts within the ranges 0 to 3% Li.sub.2 O, 0 to 8% Na.sub.2 O and 0 to 16% K.sub.2 O, and where the content of silver, expressed as Ag.sub.2 O, lies within the range 0.05 to 0.4% by weight, while the content of halide lies within the range 0.13 to 1% by weight of the glass.Further optional constituents are MgO (up to 2.6%) and P.sub.2 O.sub.5 (up to 12%). Refractive index n.sub.D can be corrected to the standard ophthalmic value of 1.523 by additions of ZrO.sub.2, TiO.sub.2 and/or PbO.
摘要翻译： 具有分散在整个玻璃中并且不含钡的卤化银晶体的快速响应的光致变色硼硅酸盐玻璃以重量百分比包含：} SiO 2 31〜59％} B 2 O 3 18〜28％} Al 2 O 3 8〜20％} R 2 O 6 至16％}其中R2O表示0〜3％Li2O，0〜8％Na2O和0〜16％K2O范围内的一种或多种Li2O，Na2O和K2O，其中以Ag2O表示的银含量， 在0.05〜0.4重量％的范围内，卤化物的含量在玻璃的0.13〜1重量％的范围内。
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公开(公告)号：US4088501A
公开(公告)日：1978-05-09
申请号：US764314
申请日：1977-01-31
申请人： Edric Ellis , Richard Gelder , Allan Hale
发明人： Edric Ellis , Richard Gelder , Allan Hale
摘要： Fast-response photochromic boron-free aluminophosphate glasses which have silver halide crystals dispersed throughout the glass comprise, in weight percentages:______________________________________ SiO.sub.2 10 to 17% Al.sub.2 O.sub.3 20 to 29% P.sub.2 O.sub.5 30 to 40% R.sub.2 O 8.5 to 17% R'O 4 to 18% ______________________________________ Where R.sub.2 O represents Na.sub.2 O and/or K.sub.2 O; R'O represents CaO and/or BaO, the CaO content being at least 4% if BaO is absent and being from 0 to 7% if BaO is present, while the BaO content is from 0 to 18%; the total of SiO.sub.2 + Al.sub.2 O.sub.3 + P.sub.2 O.sub.5 amounting to not less than 69% by weight of the glass. Preferably the total of SiO.sub.2 + P.sub.2 O.sub.5 + Al.sub.2 O.sub.3 is not less than 72% by weight of the glass. The silver content of the glass, expressed as Ag.sub.2 O, is preferably not less than 0.05%. Refractive index n.sub.D can be corrected to the standard ophthalmic value of 1.523 by additions of TiO.sub.2, ZrO.sub.2 and/or PbO.
摘要翻译： 具有分散在整个玻璃中的卤化银晶体的快速响应的光致变色无硼磷酸铝玻璃包含重量百分比：} SiO 2 10至17％} Al 2 O 3 20至29％} P 2 O 5 30至40％} R 2 O 8.5至17％} R 'O 4〜18％} R 2 O表示Na 2 O和/或K 2 O; 如果BaO不存在，则R'O表示CaO和/或BaO，如果BaO不存在，CaO含量为至少4％，如果BaO存在，则CaO含量为0至7％，而BaO含量为0至18％; SiO 2 + Al 2 O 3 + P 2 O 5的总量不小于玻璃的69重量％。 优选地，SiO 2 + P 2 O 5 + Al 2 O 3的总和不小于玻璃的72重量％。 以Ag2O表示的玻璃的银含量优选为0.05％以上。 通过添加TiO 2，ZrO 2和/或PbO，可以将折射率nD校正为1.523的标准眼科值。
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