CN1623218A - 带有吸光涂层的透光基材 - Google Patents
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Abstract
公开了一种至少部分地带有吸光涂层的透光基材。该涂层中含有掺入到溶胶－凝胶基质内的吸光粒子。该吸光粒子包括银或金或其混合物，而且涂层中还含有二甲基氨基硅烷。另外，公开了一种电灯，它包含一个容纳光源的透光灯罩。该灯罩包含以上的透光基材。还公开了制备涂覆到透光基材上的吸光涂料的方法和将吸光涂料涂覆到透光基材上的方法。
Description
本发明涉及一种透光的基材，它至少部分地带有一个吸光的涂层，该涂层含有掺入到溶胶-凝胶基质中的吸光性颗粒。本发明还涉及一种电灯，它包括一个容纳光源的透光灯罩，其中该灯罩包含着上述的透光的基材。另外，本发明还涉及一种制备涂覆到透光基材上的吸光涂料的方法，以及将吸光涂料涂覆到透光基材上的方法。
带有吸光涂层的透光基材可以作为一般照明用的(白炽)灯之上或之前的彩色层使用。这种基材可以包括例如一片玻璃作的滤色片，它可以是或者不是平的，并被设计成置于灯产生的光的行程之中。这种用途经常是用于户外照明。透光基材的另一实例是置于电灯光源之上的灯罩。这种电灯主要用作车辆的指示灯，例如作为汽车指示灯的琥珀色光源或作为刹车灯的红色光源。这种灯的色温可以通过吸光涂层来提高，它也可以作为车辆前灯使用。此类电灯也可以用于交通信号灯。
本发明人提交的WO 01/20641已提到了一种带有灯罩的电灯，该灯罩中包含符合此前言的透光基材。
根据01/20641的透光基材带有一个透明和不散射的吸光涂层，该涂层在溶胶-凝胶基质中掺混着颜料，并且能耐高达400℃的温度。
为了制造具有理想的光学性质并且在电灯使用寿命期间具有理想的热稳定性的吸光涂层，优选使用无机颜料。具体地说，该颜料是选自氧化铁、掺磷氧化铁、氧化锌铁、铝酸钴、氧化钕、钒酸铋、硅酸锆镨，或它们的混合物。氧化铁(Fe2O3)是橙色颜料，掺P的Fe2O3是橙红色颜料。氧化锌铁，例如ZnFe2O4或ZnO·ZnFe2O4是黄色颜料。将(掺P的)Fe2O3与ZnFe2O4混合，形成深橙色颜料。铝酸钴(CoAl2O4)和氧化钕(Nd2O5)是蓝色颜料。钒酸铋(BiVO4)也称作钒铋矿，是一种黄绿色颜料。硅酸锆镨是黄色颜料。
虽然以上的无机颜料在高温下不褪色，但它们常常会具有热色效应，结果导致在高温下操作时光输出减小。
本发明的一个目的是克服以上缺点。另外，本发明的目的之一是制造透明的红、黄和蓝色涂层，它们在高温下稳定并且不显示热色效应。
总之，本发明提供了一种符合前言的透光基材，其特征在于，吸光涂层的吸光颗粒包括银或金或其混合物，而且该涂层还含有二甲基氨基硅烷。
在二甲基氨基硅烷存在下在溶胶-凝胶基质中使用银或金，可以得到透明的、高温稳定的涂层，它们不显示热色效应。二甲基氨基硅烷起稳定剂的作用，帮助控制粒子大小。
涂层的吸收峰的位置可以通过基质的折射指数调节。在折射指数约为1.46的MTMS/TEOS中，可以得到黄色的含银涂层。在TiO2或TiO2/MTMS混合物中可以使用银产生琥珀色，如果TiO2基质的折射指数增大，还会产生红色。在MTMS/TEOS中含金的涂层是红色的。在TiO2基质中该含金涂层是蓝的。
二甲基氨基硅烷的优点是它对溶胶-凝胶缩聚反应的促进作用不很强，而其它的氨基硅烷促进溶胶-凝胶缩聚反应太强。藉助使用二甲基氨基硅烷可以得到具有可接受的贮存期的涂布液。
另外，在吸光涂层中使用二甲基氨基硅烷，使得有可能将该涂料在约350℃下固化，这比不含二甲基氨基硅烷的类似涂料的固化温度低得多。固化温度较低的一个优点是基材的性质在很大程度上不受限制。例如，该涂料的应用不只限于石英玻璃，而且也可以使用普通的钠钙玻璃和简单的灯玻璃作为基材。
根据本发明的低固化温度的另一好处是，如果使用银，则银的吸收峰很尖锐。这造成了涂层具有明亮的颜色。
作为比较，参考US-A-5,731,091，其中公开了一种涂料，该涂料在氨基硅烷存在下在溶胶-凝胶介质中含银或金。该专利使用的具体的氨基硅烷是3-氨丙基三乙氧基硅烷和3-3-(氨乙基氨基)丙基三乙氧基硅烷。US-A-5,731,091的涂料在500℃固化，显然，这样高的固化温度不会产生本发明的上述优点。另外，US-A-5,731,091公开了一种使用银时得到的浅黄棕色涂层。这种不明亮的颜色是由于吸收峰不够尖锐。
这种被有利地使用的二甲基氨基硅烷包括二甲基丙基三烷氧基硅烷，例如(N，N-二甲基氨基丙基)三甲氧基硅烷或(N，N-二甲基氨基丙基)三乙氧基硅烷。
根据具体用途，基材可以含有特定组成。在一项优选的实施方案中，基材中包含玻璃基材。
本发明还涉及一种电灯，其中包含一个容纳光源的透光灯罩，该灯罩包含上述的透光基材。
由上述显然可见，该灯适合作为车辆的指示灯使用。
另外，本发明提供了一种制备涂覆于上述透光基材上的吸光涂料的方法，该方法至少包括以下步骤：
制备含有硅烷或钛化合物的水解混合物，进行溶胶-凝胶过程；
在含醇液体中溶解银盐或金盐，加入二甲基氨基硅烷；和
将该水解混合物和银或金盐溶液混合。
SiO2和TiO2基质都可用来与银或金粒子掺混。
最后，本发明涉及一种将吸光涂料涂覆在上述透光基材上的方法，该方法的步骤包括：
将根据本发明的以上方法得到的吸光涂料涂覆到透光基材上；和
将该吸光涂料在300-395℃的温度下固化。
本发明的吸光涂料与先有技术的区别在于，它能够在低至约350℃的温度下固化。当本发明的涂料涂覆在基材上并在以上温度范围内固化时，得到了稳定的透明涂层，它不显示热色效应。由于存在二甲基氨基硅烷，低至约350℃的固化温度已经足够。
这与据称固化温度高达600-900℃的WO 98/18736的作法也不同。WO 98/18736与本发明的不同在于，吸光粒子掺混于其中的基质不包括溶胶-凝胶基质。未曾提及在二甲基氨基硅烷存在下将银或金混入溶胶-凝胶基质。
如果本发明的涂料包含银，则在减压气氛下进行固化。
本发明将利用以下用来制备涂料和将该涂料涂覆于基材上的制备
实施例进行说明。
实施例1：金在MTMS/TEOS中
将0.56g乙醇、1.63g甲基三甲氧基硅烷(MTMS)、2.31g四乙氧基硅烷(TEOS)和1.3g 0.1M HCl混合，并进行水解4小时，得到溶胶-凝胶水解混合物。随后加入1.2g甲氧基丙醇和1.7g水。
另外，将0.3g KAuCl4溶于2.2g乙醇。溶解后加入氨基硅烷，其数量使金∶氨基硅烷的摩尔比为1∶2。
将该金溶液与溶胶-凝胶水解混合物混合，制得涂布液体。随后将该涂布液旋转涂布在玻璃基材的外表面上。将涂料在350℃下固化30分钟，得到吸收峰为520nm的红色涂层，层厚为1.1μm。
实施例2：银在MTMS/TEOS中
对于银在MTMS/TEOS中，遵照实施例1的方法，只是用AgNO3代替金盐。
将AgNO3溶于甲醇中，其数量使氨基硅烷∶Ag的摩尔比为1∶1。
将银盐溶液与溶胶-凝胶水解混合物混合，制成涂布液。该涂布液随后旋涂在玻璃基材上。在350℃下于空气中固化30分钟后，不是所有的银均被转化。继续在350℃于H2中固化，得到色彩强烈的黄色涂层，最大吸收峰在394nm。层厚为1.1μm。
显然本发明不限于以上实施例。虽然具体叙述了MTMS/TEOS作为用于SiO2基质的基质前体，但是要指出，TiO2基质同样可以按照本发明使用。
Claims (9)
1.一种透光的基材，它至少部分地带有一个吸光涂层，该涂层含有掺混在溶胶-凝胶基质中的吸光粒子，其特征在于，该吸光粒子包括银或金或其混合物，而且该涂层还含有一种二甲基氨基硅烷。
2.权利要求1的一种透光的基材，其特征在于，该二甲基氨基硅烷包括二甲基氨基丙基三烷氧基硅烷。
3.权利要求1的透光的基材，其特征在于，该二甲基氨基硅烷包括(N，N-二甲氨基丙基)三甲氧基硅烷或(N，N-二甲基氨基丙基)三乙氧基硅烷。
4.权利要求1的透光的基材，其特征在于，该基材包括玻璃基材。
5.一种电灯，其中包含一个容纳光源的透光灯罩，该灯罩包括一种权利要求1至4中任一项或几项中的透光基材。
6.一种制备涂覆在权利要求1至4中任一项的透光基材上的吸光涂料的方法，其中至少包括以下步骤：
制备含有硅烷化合物或钛化合物的水解混合物，进行溶胶-凝胶过程；
将银盐或金盐溶于含醇液体中，加入二甲基氨基硅烷；和
将水解混合物和银或金盐溶液混合。
7.一种将吸光涂料涂覆在权利要求1至4中任一项的透光基材上的方法，该方法包括以下步骤：
将按照权利要求6得到的吸光涂料涂覆在透光基材上；和
将该吸光涂料在300-395℃的温度下固化。
8.权利要求7的方法，其特征在于，固化步骤在350℃的温度下完成。
9.权利要求7的方法，其特征在于，涂料中含有银，而且固化是在减压下进行。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02075301.8 | 2002-01-24 | ||
| EP02075301 | 2002-01-24 |
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| CN1623218A true CN1623218A (zh) | 2005-06-01 |
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| CNA03802649XA Pending CN1623218A (zh) | 2002-01-24 | 2003-01-15 | 带有吸光涂层的透光基材 |
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| Country | Link |
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| US (1) | US20050064208A1 (zh) |
| EP (1) | EP1472716A1 (zh) |
| JP (1) | JP2005516248A (zh) |
| KR (1) | KR20040088486A (zh) |
| CN (1) | CN1623218A (zh) |
| TW (1) | TW200307024A (zh) |
| WO (1) | WO2003063197A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248375B (zh) * | 2005-08-22 | 2010-11-03 | 皇家飞利浦电子股份有限公司 | 用在光学装置或电子装置中的固化涂层 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1430509B8 (en) * | 2001-09-13 | 2018-08-22 | Lumileds Holding B.V. | Electric lamp, lamp vessel provided with a light-absorbing coating and method of preparing such a light-absorbing coating |
| CN1703633A (zh) * | 2002-10-11 | 2005-11-30 | 皇家飞利浦电子股份有限公司 | 配备有光吸收涂层的光透射基底 |
| WO2018124858A1 (ko) * | 2016-12-30 | 2018-07-05 | (주)석경에이티 | 550~600nm 광흡수제가 코팅된 고색재현성 형광체 및 이를 이용한 led |
| US20200270455A1 (en) * | 2017-11-07 | 2020-08-27 | Nippon Sheet Glass Company, Limited | Light-absorbing composition and optical filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4680232A (en) * | 1986-01-02 | 1987-07-14 | General Electric Company | Abrasion and UV resistant coating compositions |
| EP0452922B1 (en) * | 1990-04-18 | 1997-01-29 | Matsushita Electric Industrial Co., Ltd. | A composite layer, a glass composite material and a method of manufacturing the same |
| DE4338360A1 (de) * | 1993-11-10 | 1995-05-11 | Inst Neue Mat Gemein Gmbh | Verfahren zur Herstellung von funktionellen glasartigen Schichten |
| DE19645043A1 (de) * | 1996-10-31 | 1998-05-07 | Inst Neue Mat Gemein Gmbh | Verfahren zur Herstellung von Substraten mit Hochtemperatur- und UV-stabilen, transparenten, farbigen Beschichtungen |
| JP2000160104A (ja) * | 1998-11-27 | 2000-06-13 | Mitsuboshi Belting Ltd | フォグランプの着色用処理液とフォグランプの製造方法 |
| WO2000071482A1 (fr) * | 1999-05-25 | 2000-11-30 | Asahi Glass Company, Limited | Verre photochrome et procede de preparation |
| EP1079413B1 (en) * | 1999-08-26 | 2005-11-02 | Sumitomo Metal Mining Company Limited | Transparent conductive layered structure and method of producing the same, coating liquid useful therefor, and display that uses transparent conductive layered structure |
| WO2001020641A1 (en) * | 1999-09-13 | 2001-03-22 | Koninklijke Philips Electronics N.V. | Electric lamp |
| JP2002083518A (ja) * | 1999-11-25 | 2002-03-22 | Sumitomo Metal Mining Co Ltd | 透明導電性基材とその製造方法並びにこの透明導電性基材が適用された表示装置、および透明導電層形成用塗液とその製造方法 |
| AUPQ544900A0 (en) * | 2000-02-04 | 2000-02-24 | Commonwealth Scientific And Industrial Research Organisation | Treatment of cellulosic material |
| JP4788852B2 (ja) * | 2000-07-25 | 2011-10-05 | 住友金属鉱山株式会社 | 透明導電性基材とその製造方法およびこの製造方法に用いられる透明コート層形成用塗布液と透明導電性基材が適用された表示装置 |
| JP2002161237A (ja) * | 2000-11-27 | 2002-06-04 | Fuji Shikiso Kk | 着色コーティング液組成物およびそれを用いた表面コート物 |
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2003
- 2003-01-15 KR KR10-2004-7011408A patent/KR20040088486A/ko not_active Application Discontinuation
- 2003-01-15 CN CNA03802649XA patent/CN1623218A/zh active Pending
- 2003-01-15 JP JP2003562964A patent/JP2005516248A/ja not_active Abandoned
- 2003-01-15 EP EP03731774A patent/EP1472716A1/en not_active Withdrawn
- 2003-01-15 US US10/502,158 patent/US20050064208A1/en not_active Abandoned
- 2003-01-15 WO PCT/IB2003/000084 patent/WO2003063197A1/en not_active Application Discontinuation
- 2003-01-22 TW TW92101352A patent/TW200307024A/zh unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101248375B (zh) * | 2005-08-22 | 2010-11-03 | 皇家飞利浦电子股份有限公司 | 用在光学装置或电子装置中的固化涂层 |
Also Published As
| Publication number | Publication date |
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| TW200307024A (en) | 2003-12-01 |
| EP1472716A1 (en) | 2004-11-03 |
| KR20040088486A (ko) | 2004-10-16 |
| US20050064208A1 (en) | 2005-03-24 |
| JP2005516248A (ja) | 2005-06-02 |
| WO2003063197A1 (en) | 2003-07-31 |
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