JPH08134432A - Light-screening agent for glass - Google Patents
Light-screening agent for glassInfo
- Publication number
- JPH08134432A JPH08134432A JP30284594A JP30284594A JPH08134432A JP H08134432 A JPH08134432 A JP H08134432A JP 30284594 A JP30284594 A JP 30284594A JP 30284594 A JP30284594 A JP 30284594A JP H08134432 A JPH08134432 A JP H08134432A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- oxide
- light
- shielding agent
- metal oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
- C03C17/009—Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、新規なガラス用光線遮
蔽剤に関する。FIELD OF THE INVENTION The present invention relates to a novel light shielding agent for glass.
【０００２】[0002]
【従来技術及びその課題】従来、自動車窓ガラスや建築
用窓ガラスに適用する紫外線遮蔽ガラスの製造方法とし
て、オルガノポリシロキサン溶液に酸化亜鉛を配合して
なる液体をガラスに塗布した後、５８０〜７００℃で焼
成させてなる方法が知られている（例えば、特開平５−
３３９０３３号公報参照）。2. Description of the Related Art Conventionally, as a method for producing an ultraviolet shielding glass applied to an automobile window glass or a building window glass, a liquid obtained by mixing zinc oxide into an organopolysiloxane solution is applied to the glass, and then 580 to 580. A method of firing at 700 ° C. is known (see, for example, Japanese Patent Laid-Open No.
(See Japanese Patent No. 339033).
【０００３】しかしながら、この方法で処理されたガラ
スでは、例えば、自動車を夏場に屋外駐車した際に、車
内の温度が上昇するのを和らげることは難しいといった
欠点がある。However, the glass treated by this method has a drawback that it is difficult to mitigate the temperature rise inside the vehicle when the vehicle is parked outdoors in the summer, for example.
【０００４】[0004]
【課題を解決するための手段】本発明者等は、上記した
問題点を解決するために鋭意研究を重ねた結果、架橋型
珪素樹脂溶液に、特定の赤外線吸収用金属酸化物を配合
してなるガラス用光線遮蔽剤が上記した問題点を解決で
きるものであることを見出し、本発明を完成するに至っ
た。Means for Solving the Problems As a result of intensive studies to solve the above problems, the present inventors have found that a specific infrared absorbing metal oxide is added to a crosslinked silicone resin solution. The present inventors have found that the above-mentioned light shielding agent for glass can solve the above-mentioned problems, and completed the present invention.
【０００５】即ち、本発明は、架橋型珪素樹脂溶液に、
錫酸化物、インジウム−錫酸化物及びアンチモン−錫酸
化物から選ばれる少なくとも１種の赤外線遮蔽用金属酸
化物を配合してなることを特徴とするガラス用光線遮蔽
剤に係わる。That is, the present invention provides a cross-linked silicone resin solution,
The present invention relates to a light-shielding agent for glass, which comprises at least one kind of infrared-shielding metal oxide selected from tin oxide, indium-tin oxide and antimony-tin oxide.
【０００６】本発明で使用する架橋型珪素樹脂溶液は、
樹脂成分として平均分子量約２，０００〜２００，００
０で、且つ１分子中にシラノール基及びアルコキシシリ
ル基から選ばれる少なくとも１種の基を約２個以上含有
するものが好ましい。平均分子量が２，０００を下回る
と被膜の耐久性が低下し、一方、２００，０００を上回
ると金属酸化物を分散することが困難となったりするの
で好ましくない。シラノール基及びアルコキシシリル基
が上記した範囲を下回るとガラスとの付着性が低下する
ので好ましくない。The crosslinked silicone resin solution used in the present invention is
Average molecular weight of about 2,000 to 200,000 as a resin component
It is preferably 0 and contains about 2 or more of at least one group selected from silanol groups and alkoxysilyl groups in one molecule. If the average molecular weight is less than 2,000, the durability of the coating will be reduced, while if it exceeds 200,000, it will be difficult to disperse the metal oxide, which is not preferable. When the silanol group and the alkoxysilyl group are less than the above range, the adhesion to glass decreases, which is not preferable.
【０００７】架橋型珪素樹脂溶液としては、例えば、テ
トラアルコキシシラン及び／又はトリアルコキシシラン
のモノマー又は該モノマーの低縮合物（約２〜１０量
体）又は該モノマーと該低縮合物との混合物を縮合反応
させることによって製造できる。The cross-linking type silicone resin solution is, for example, a monomer of tetraalkoxysilane and / or trialkoxysilane, a low condensation product (about 2 to 10 mer) of the monomer, or a mixture of the monomer and the low condensation product. Can be produced by a condensation reaction.
【０００８】テトラアルコキシシランの具体例として
は、例えば、テトラメトキシシラン、テトラエトキシシ
ラン、テトラプロポキシシラン、ジエトキシジブトキシ
シラン等が挙げられる。Specific examples of the tetraalkoxysilane include tetramethoxysilane, tetraethoxysilane, tetrapropoxysilane, diethoxydibutoxysilane and the like.
【０００９】トリアルコキシシランの具体例としては、
例えば、トリメトキシメチルシラン、トリエトキシメチ
ルシラン、トリプロポキシプロピルシラン、トリメトキ
シエチルシラン、トリエトキシフェニルシラン等が挙げ
られる。Specific examples of trialkoxysilanes include:
Examples thereof include trimethoxymethylsilane, triethoxymethylsilane, tripropoxypropylsilane, trimethoxyethylsilane, triethoxyphenylsilane and the like.
【００１０】上記したテトラアルコキシシラン及びトリ
アルコキシシラン以外に必要に応じて、例えば、ジメト
キシジメチルシラン、ジエトキシジフェニルシラン、ジ
プロポキシジメチルシラン、ジメトキシジエトキシシラ
ン等のジアルコキシシランが使用できる。該ジアルコキ
シシランは、テトラアルコキシシラン及びトリアルコキ
シシラン１００重量部当たり約５０重量部以下の範囲で
使用することが好ましい。In addition to the above-mentioned tetraalkoxysilanes and trialkoxysilanes, dialkoxysilanes such as dimethoxydimethylsilane, diethoxydiphenylsilane, dipropoxydimethylsilane, and dimethoxydiethoxysilane can be used if necessary. The dialkoxysilane is preferably used in an amount of about 50 parts by weight or less per 100 parts by weight of tetraalkoxysilane and trialkoxysilane.
【００１１】また、低縮合物としては、日本コルコート
株社製の商品名としてエチルシリケート４０（テトラエ
トキシシランの平均縮合度約６）、メチルシリケート５
１（メチルシリケートの平均縮合度約４量体）、エチル
シリケート４８（テトラエトキシシランの平均縮合度約
９）等が挙げられる。As the low-condensate, ethyl silicate 40 (average degree of condensation of tetraethoxysilane of about 6) and methyl silicate 5 as trade names of Nippon Colcoat Co., Ltd.
1 (average condensation degree of tetramer of methyl silicate), ethyl silicate 48 (average condensation degree of tetraethoxysilane of about 9) and the like.
【００１２】縮合反応は、前記したモノマー又は該モノ
マーの低縮合物又は該モノマーと該低縮合物との混合物
をアルコール（例えばメタノール、エタノール、プロパ
ノール等）に溶解した溶液に水及び酸性触媒（例えば塩
酸、硝酸、ギ酸等）を添加し、約２０〜２００℃で約３
０分間〜１０時間縮合反応させ、必要に応じて塩基性触
媒（例えばアンモニア、トリエチルアミン、水酸化ナト
リウム等）を配合しpH７以上にして縮合反応させること
が好ましい。The condensation reaction is carried out by dissolving water and an acidic catalyst (eg, in a solution of the above-mentioned monomer or a low-condensation product of the monomer or a mixture of the monomer and the low-condensation product in an alcohol (eg, methanol, ethanol, propanol, etc.). Hydrochloric acid, nitric acid, formic acid, etc.) is added, and the temperature is about 20 to 200 ° C for about 3
It is preferable that the condensation reaction is carried out for 0 minutes to 10 hours, and if necessary, a basic catalyst (for example, ammonia, triethylamine, sodium hydroxide, etc.) is added to adjust the pH to 7 or more to carry out the condensation reaction.
【００１３】上記方法により製造した架橋型珪素樹脂を
使用すると、ガラスに対する密着性が良く、しかも親水
性に優れた被膜が形成される。一般に、自動車の窓ガラ
スに雨が掛かると雨粒が水玉となり視界が悪くなるが、
該被膜の親水性によって雨が濡れ広がり視界を阻害しな
いといった効果が認められる。When the crosslinked silicone resin produced by the above method is used, a coating film having good adhesion to glass and excellent hydrophilicity is formed. Generally, when rain falls on the window glass of an automobile, raindrops become polka dots and the visibility deteriorates.
Due to the hydrophilicity of the coating, the effect that rain does not spread and hinders the field of view is recognized.
【００１４】本発明で使用する赤外線吸収用金属酸化物
は、このものを含有する被膜によって赤外線（波長約７
００〜１mm）を熱に変換させ、さらに変換した熱を大気
中に発散させる効果があるのでガラス窓内部（例えば車
内、室内等）の温度の上昇を和らげることができる。The infrared absorbing metal oxide used in the present invention has an infrared ray (wavelength of about 7
(0 to 1 mm) is converted into heat, and the converted heat is diffused into the atmosphere, so that the temperature rise inside the glass window (for example, inside the vehicle, inside the room, etc.) can be moderated.
【００１５】赤外線吸収用金属酸化物としては錫酸化
物、インジウム−錫酸化物及びアンチモン−錫酸化物か
ら選ばれる少なくとも１種のものである。これらの赤外
線吸収用酸化物は、平均粒子径約０．１μm 以下、好ま
しくは約０．１〜０．００１μm の範囲が良い。平均粒
子径が約０．１μm を上回ると被膜の透明性が悪くな
り、また、赤外線遮蔽能が低下するので好ましくない。The infrared absorbing metal oxide is at least one selected from tin oxide, indium-tin oxide and antimony-tin oxide. These infrared absorbing oxides have an average particle size of about 0.1 μm or less, preferably about 0.1 to 0.001 μm. If the average particle size exceeds about 0.1 μm, the transparency of the coating film deteriorates and the infrared ray shielding ability decreases, which is not preferable.
【００１６】赤外線吸収用金属酸化物の配合割合は、架
橋型珪素樹脂溶液の樹脂固形分／紫外線吸収用金属酸化
物の重量比で約０．１〜３、好ましくは約０．２〜２の
範囲が望ましい。配合割合が約０．１を下回ると連続膜
となり難くワレ等の被膜欠陥を生じ易くなるので好まし
くない、一方、約３を上回ると赤外線遮蔽効果が低下す
るので好ましくない。The mixing ratio of the infrared absorbing metal oxide is about 0.1 to 3, preferably about 0.2 to 2 in terms of the resin solid content of the cross-linking silicone resin solution / the ultraviolet absorbing metal oxide. Range is desirable. If the blending ratio is less than about 0.1, it is not preferable because it is difficult to form a continuous film and film defects such as cracks are likely to occur, while if it exceeds about 3, the infrared ray shielding effect is deteriorated.
【００１７】本発明で使用する紫外線吸収用金属酸化物
は、このものを用いて得られる被膜に太陽光線が照射さ
れた際に、紫外線（波長約１０nm〜４００nm）が金属酸
化物によって吸収されることによって被膜を透過した光
から紫外線がカットされ、且つ、可視光線は透過し明る
さを低下させないものが使用される。具体的には、酸化
亜鉛及び酸化セリウムから選ばれる少なくとも１種の金
属酸化物が使用される。The ultraviolet absorbing metal oxide used in the present invention absorbs ultraviolet rays (wavelength of about 10 nm to 400 nm) by the metal oxide when the coating film obtained from this is irradiated with sunlight. As a result, ultraviolet rays are cut off from the light transmitted through the film, and visible light is transmitted so that the brightness is not reduced. Specifically, at least one metal oxide selected from zinc oxide and cerium oxide is used.
【００１８】酸化亜鉛の平均粒子径は約０．１μm 以下
の範囲が好ましい。粒子径が約０．１μm を越えると被
膜の透明性が低下し、且つ、紫外線遮蔽能が劣るので好
ましくない。また、酸化セリウムは、それ自体水に溶解
するので水溶液として使用することが好ましい。The average particle size of zinc oxide is preferably about 0.1 μm or less. If the particle size exceeds about 0.1 μm, the transparency of the coating film is deteriorated and the ultraviolet shielding ability is deteriorated, which is not preferable. Further, cerium oxide is preferably dissolved in water and used as an aqueous solution.
【００１９】紫外線吸収用金属酸化物の配合割合は、架
橋型珪素樹脂溶液の樹脂固形分／紫外線吸収用金属酸化
物の重量比で約０．１〜３、好ましくは約０．２〜２の
範囲が望ましい。配合割合が約０．１を下回ると連続膜
となり難くワレ等の被膜欠陥を生じ易くなるので好まし
くない、一方、約３を上回ると紫外線遮蔽効果が低下す
るので好ましくない。The mixing ratio of the ultraviolet absorbing metal oxide is about 0.1 to 3, preferably about 0.2 to 2 in terms of the resin solid content of the crosslinked silicone resin solution / the ultraviolet absorbing metal oxide. Range is desirable. If the compounding ratio is less than about 0.1, it is not preferable because it is difficult to form a continuous film and film defects such as cracks are likely to occur, while if it exceeds about 3, the ultraviolet shielding effect is deteriorated, which is not preferable.
【００２０】本発明光線遮蔽剤の固形分は、例えば、貯
蔵安定性や塗装粘度を考慮して調整すれば良いが、通
常、架橋型珪素樹脂、紫外線吸収用金属酸化物及び赤外
線吸収用金属酸化物の固形分が約０．５〜３０重量％、
好ましくは約１〜２０重量％の範囲が望ましい。The solid content of the light-shielding agent of the present invention may be adjusted, for example, in consideration of storage stability and coating viscosity, but it is usually a crosslinked silicone resin, an ultraviolet absorbing metal oxide and an infrared absorbing metal oxide. The solid content of the product is about 0.5 to 30% by weight,
A desirable range is about 1 to 20% by weight.
【００２１】本発明光線遮蔽剤において、上記した成分
以外にも有機溶剤、界面活性剤、レベリング剤、ハジキ
防止剤、消泡剤、防腐剤、増粘剤、凍結防止剤、成膜助
剤、着色剤、充填剤等が必要に応じて使用できる。In the light shielding agent of the present invention, in addition to the above components, an organic solvent, a surfactant, a leveling agent, a cissing inhibitor, an antifoaming agent, an antiseptic agent, a thickener, an antifreezing agent, a film forming aid, Colorants, fillers and the like can be used as necessary.
【００２２】本発明光線遮蔽剤を使用して被膜を形成す
るには、上記した光線遮蔽剤をガラス基材表面に塗布
し、次いで約１００〜７００℃、好ましくは約５５０〜
６５０℃の温度で、約５分間〜約２４時間、好ましくは
約１０分間〜１０時間焼き付けることによって実施でき
る。To form a film using the light shielding agent of the present invention, the above-mentioned light shielding agent is applied to the surface of a glass substrate, and then about 100 to 700 ° C., preferably about 550 to 550.
It can be carried out by baking at a temperature of 650 ° C. for about 5 minutes to about 24 hours, preferably for about 10 minutes to 10 hours.
【００２３】光線遮蔽剤をガラス基材表面に塗布する方
法としては、従来から知られた塗装手段、例えば、吹付
け塗装、ローラー塗装、刷毛塗装、流し塗り、浸漬塗
装、シャワー塗装等の方法で塗装できる。光線遮蔽剤の
塗布膜厚は、乾燥膜厚で約１〜５０μm 、好ましくは約
２〜１０μm の範囲が好適である。As a method for applying the light shielding agent to the surface of the glass substrate, there are conventionally known coating means such as spray coating, roller coating, brush coating, flow coating, dip coating, shower coating and the like. Can be painted. The coating thickness of the light shielding agent is preferably in the range of about 1 to 50 μm, preferably about 2 to 10 μm as a dry film thickness.
【００２４】塗布された光線遮蔽剤の焼付は、約１００
〜７００℃の温度の範囲で行うことができる。焼付温度
が約１００℃を下回ると被膜の表面硬度が低下し、一
方、７００℃を上回るとガラス基材が軟化するために好
ましくない。また、焼付温度約５５０〜６５０℃の範囲
は、光線遮蔽剤とガラスとを強固に付着させることがで
き耐久性の良い製品を得ることができる。The baking of the applied light shielding agent is about 100.
It can be performed in the temperature range of ˜700 ° C. If the baking temperature is lower than about 100 ° C, the surface hardness of the coating film is lowered, while if it exceeds 700 ° C, the glass substrate is softened, which is not preferable. Further, when the baking temperature is in the range of about 550 to 650 ° C, the light shielding agent and the glass can be firmly adhered to each other, and a product with good durability can be obtained.
【００２５】本発明光線遮蔽剤は、紫外線及び赤外線の
遮蔽が必要とされる用途に使用することができるが、具
体的には、自動車窓ガラス、建築用窓ガラス等に使用す
ることができる。The light-shielding agent of the present invention can be used for applications where it is necessary to shield ultraviolet rays and infrared rays, and specifically, it can be used for automobile window glass, architectural window glass and the like.
【００２６】[0026]
【実施例】本発明について、実施例を掲げて、本発明を
更に詳細に説明する。EXAMPLES The present invention will be described in more detail with reference to Examples.
【００２７】珪素樹脂溶液の製造例 テトラエトキシシラン２０８ｇ、エチルアルコール２０
８ｇ及び０．２N 塩酸水を配合し、４０℃で２時間反応
させた。次いで、反応させたものにトリエチルアミン５
０ｇを添加してpHを７以上に上げて、縮合反応を行った
後、ベンゼン５０ｇを添加し、更に７０℃で脱溶剤し
て、樹脂固形分２２重量％の珪素樹脂溶液を得た。 Preparation Example of Silicon Resin Solution 208 g of tetraethoxysilane, 20 of ethyl alcohol
8 g and 0.2 N hydrochloric acid water were mixed and reacted at 40 ° C. for 2 hours. Then, the reacted product was mixed with triethylamine 5
After 0 g was added to raise the pH to 7 or more to carry out a condensation reaction, 50 g of benzene was added and the solvent was removed at 70 ° C. to obtain a silicon resin solution having a resin solid content of 22% by weight.
【００２８】珪素樹脂溶液の製造例 エチルシリケート４０（日本コルコート株社製、テトラ
エトキシシランの平均縮合度約６量体）４２７ｇ、トリ
エトキシエチルシラン５８ｇ、エチルアルコール３００
ｇ及び０．２N 塩酸１４２ｇ配合し、８０℃で３０分間
反応させた。次いで反応させたものに水酸化カリウム５
ｇを添加してpHを７以上に上げて８０℃で２時間縮合反
応をおこなった後、ベンゼン２００ｇを添加し、更に７
０℃で脱溶剤して、樹脂固形分２２重量％の珪素樹脂溶
液を得た。 Production Example of Silicone Resin Solution Ethyl silicate 40 ( manufactured by Nippon Corcoat Co., Ltd., tetraethoxysilane average condensation degree hexamer) 427 g, triethoxyethylsilane 58 g, ethyl alcohol 300
g and 142 g of 0.2N hydrochloric acid were mixed and reacted at 80 ° C. for 30 minutes. Then, react it with potassium hydroxide 5
After adding g to raise the pH to 7 or more and conducting the condensation reaction at 80 ° C for 2 hours, 200 g of benzene is added and
The solvent was removed at 0 ° C. to obtain a silicone resin solution having a resin solid content of 22% by weight.
【００２９】実施例１ 上記珪素樹脂溶液１，１１０ｇ、酸化錫（平均粒子径
約０．０８μm ）２００ｇ、エタノール６２ｇを配合し
た後、サンドグラインダーで分散をおこなって実施例１
の赤外線遮蔽剤液（固形分２３重量％）を製造した。Example 1 1,110 g of the above-mentioned silicon resin solution, 200 g of tin oxide (average particle size of about 0.08 μm) and 62 g of ethanol were mixed and dispersed with a sand grinder to give Example 1.
An infrared ray shielding agent liquid (solid content: 23% by weight) was produced.
【００３０】実施例２ 実施例１において、珪素樹脂溶液に代えて珪素樹脂溶
液を使用した以外は実施例１と同様にして製造した。Example 2 The procedure of Example 1 was repeated except that the silicon resin solution was used instead of the silicon resin solution.
【００３１】実施例３ 上記珪素樹脂溶液１，１１０ｇ、酸化亜鉛（平均粒子
径約０．０８μm ）１００ｇ、酸化錫（平均粒子径約
０．０８μm ）１００ｇ、エタノール６２ｇを配合した
後、サンドグラインダーで分散をおこなって実施例１の
紫外線及び赤外線遮蔽剤液（固形分２３重量％）を製造
した。Example 3 1,110 g of the above silicon resin solution, 100 g of zinc oxide (average particle size of about 0.08 μm), 100 g of tin oxide (average particle size of about 0.08 μm), and 62 g of ethanol were blended and then mixed with a sand grinder. Dispersion was carried out to produce the ultraviolet ray and infrared ray shielding agent liquid of Example 1 (solid content: 23% by weight).
【００３２】実施例４ 上記珪素樹脂溶液１，３６０ｇ、酸化亜鉛（平均粒子
径約０．０８μm ）１５０ｇ、インジウム−錫酸化物
（平均粒子径約０．０８μm ）１５０ｇ及び二酸化珪素
（平均粒子径約０．１μm ）１０ｇ、エタノール８６８
ｇを配合し分散をおこなって実施例４の紫外線及び赤外
線遮蔽剤液（固形分２４重量％）を製造した。上記した
実施例の遮蔽剤液の性能試験を表１にまとめて示す。Example 4 1,360 g of the above silicone resin solution, 150 g of zinc oxide (average particle size of about 0.08 μm), 150 g of indium-tin oxide (average particle size of about 0.08 μm) and silicon dioxide (average particle size of about 0.1 μm) 10 g, ethanol 868
g was mixed and dispersed to prepare the ultraviolet ray and infrared ray shielding agent liquid of Example 4 (solid content: 24% by weight). The performance tests of the shielding agent liquids of the above-mentioned examples are summarized in Table 1.
【００３３】比較例１ 珪素樹脂溶液を使用した。Comparative Example 1 A silicon resin solution was used.
【００３４】比較例２ 珪素樹脂溶液を使用した。上記した比較例のものの性
能試験を表１にまとめて示す。Comparative Example 2 A silicon resin solution was used. Table 1 collectively shows the performance tests of the above-mentioned comparative examples.
【００３５】[0035]
【表１】 [Table 1]
【００３６】表１において、性能試験は下記した条件で
おこなった。実施例及び比較例の珪素樹脂溶液を架橋膜
厚が約３μm になるようにスプレー塗装し、室温（２０
℃）で３０分間セッテングし、次いで６００℃で２０分
間焼付けをおこなって硬化被膜を形成した。In Table 1, the performance test was conducted under the following conditions. The silicone resin solutions of Examples and Comparative Examples were spray coated so that the crosslinked film thickness was about 3 μm, and the temperature was adjusted to room temperature (20
C.) for 30 minutes and then baked at 600.degree. C. for 20 minutes to form a cured coating.
【００３７】被膜外観：被膜の透明性、変色、ワレ、ハ
ガレ等を目視で観察した。欠陥のないものを良好とし
た。 紫外線透過率：紫外線透過率は波長３６０nmで測定し
た。数値が小さい程紫外線遮蔽性が良い。 赤外線透過率：赤外線透過率は波長１，６００nmで測定
した。数値が小さい程赤外線遮蔽性が良い。 密着性：被膜表面をコインの角で強く引っ掻いた後、被
膜の密着状態を次の基準で評価した。○：良好、△：コ
インの角に沿って大きく剥がれる、×：コインの角以外
の箇所も大きく剥がれる。 耐水性：被膜を形成したガラス板を４０℃の水に１０日
間浸漬した後、密着性を試験した。Appearance of coating: The transparency, discoloration, cracks, peeling, etc. of the coating were visually observed. Those without defects were considered good. UV transmittance: UV transmittance was measured at a wavelength of 360 nm. The smaller the value, the better the UV shielding property. Infrared transmittance: The infrared transmittance was measured at a wavelength of 1,600 nm. The smaller the value, the better the infrared shielding property. Adhesion: After strongly scratching the surface of the coating with a corner of a coin, the adhesion of the coating was evaluated according to the following criteria. ◯: Good, Δ: Greatly peeled off along the corners of the coin, ×: Largely peeled off at places other than the corners of the coin. Water resistance: The glass plate with the film formed thereon was immersed in water at 40 ° C. for 10 days, and then the adhesion was tested.
【００３８】[0038]
【発明の効果】本発明によって形成された被膜は、赤
外線遮蔽効果が優れる、透明性が優れる、親水性が
優れる、ガラスに対して密着性が良いといった優れた
効果を発揮するものである。The coating film formed according to the present invention exhibits excellent effects such as an excellent infrared shielding effect, excellent transparency, excellent hydrophilicity, and good adhesion to glass.
Claims (4)
ジウム−錫酸化物及びアンチモン−錫酸化物から選ばれ
る少なくとも１種の赤外線遮蔽用金属酸化物を配合して
なることを特徴とするガラス用光線遮蔽剤。1. A cross-linking type silicone resin solution is compounded with at least one infrared shielding metal oxide selected from tin oxide, indium-tin oxide and antimony-tin oxide. Light shielding agent for glass.
において、更に酸化亜鉛及び／又は酸化セリウムの紫外
線吸収用金属酸化物を配合してなることを特徴とするガ
ラス用光線遮蔽剤。2. The light ray-shielding agent for glass according to claim 1, further comprising a metal oxide for ultraviolet ray absorption of zinc oxide and / or cerium oxide.
０００〜２００，０００の範囲で、且つ、１分子中にシ
ラノール基及び／又はアルコキシシラン基を２個以上含
有することを特徴とする請求項１又は２記載のガラス用
光線遮蔽剤。3. The cross-linked silicone resin solution has an average molecular weight of 2.
The light shielding agent for glass according to claim 1 or 2, wherein the light shielding agent for glass is in the range of 000 to 200,000 and contains two or more silanol groups and / or alkoxysilane groups in one molecule.
シシラン及び／又はトリアルコキシシランのモノマー又
は該モノマーの低縮合物又は該モノマーと該低縮合物と
の混合物を水及び酸性触媒下で反応させた後、更に塩基
性触媒下で反応させて得られることを特徴とする請求項
１、２又は３記載のガラス用光線遮蔽剤。4. A crosslinkable silicone resin solution is obtained by reacting a tetraalkoxysilane and / or trialkoxysilane monomer, a low condensate of the monomer, or a mixture of the monomer and the low condensate under water and an acidic catalyst. The light-shielding agent for glass according to claim 1, 2 or 3, which is obtained by further performing a reaction under a basic catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30284594A JPH08134432A (en) | 1994-11-11 | 1994-11-11 | Light-screening agent for glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30284594A JPH08134432A (en) | 1994-11-11 | 1994-11-11 | Light-screening agent for glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08134432A true JPH08134432A (en) | 1996-05-28 |
Family
ID=17913794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30284594A Pending JPH08134432A (en) | 1994-11-11 | 1994-11-11 | Light-screening agent for glass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08134432A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997028227A1 (en) * | 1996-01-30 | 1997-08-07 | Nissan Chemical Industries, Ltd. | Absorbents for non-visible rays of light |
| JPH09208863A (en) * | 1996-01-30 | 1997-08-12 | Kureha Chem Ind Co Ltd | Heat-absorbing coating composition and method for imparting heat-absorbing property |
| JP2002309157A (en) * | 2001-04-17 | 2002-10-23 | Nippon Paint Co Ltd | Infrared light-shielding coating for transparent base material, and coating film-forming method and transparent base material |
| WO2007035269A1 (en) * | 2005-09-20 | 2007-03-29 | Guardian Industries Corp. | Coating with infrared and ultraviolet blocking characteristics |
| JP2008297414A (en) * | 2007-05-30 | 2008-12-11 | Mitsubishi Materials Corp | Near infrared light-shielding composition and use thereof |
| US7771103B2 (en) | 2005-09-20 | 2010-08-10 | Guardian Industries Corp. | Optical diffuser with IR and/or UV blocking coating |
| JP2016182767A (en) * | 2015-03-26 | 2016-10-20 | 東洋紡株式会社 | Ultraviolet-transmissive antistatic release film and adhesive sheet comprising the same laminated with adhesive layer |
-
1994
- 1994-11-11 JP JP30284594A patent/JPH08134432A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997028227A1 (en) * | 1996-01-30 | 1997-08-07 | Nissan Chemical Industries, Ltd. | Absorbents for non-visible rays of light |
| JPH09208863A (en) * | 1996-01-30 | 1997-08-12 | Kureha Chem Ind Co Ltd | Heat-absorbing coating composition and method for imparting heat-absorbing property |
| US6180224B1 (en) | 1996-01-30 | 2001-01-30 | Nissan Chemical Industries, Ltd. | Method of absorbing rays outside a visible region |
| JP2002309157A (en) * | 2001-04-17 | 2002-10-23 | Nippon Paint Co Ltd | Infrared light-shielding coating for transparent base material, and coating film-forming method and transparent base material |
| WO2007035269A1 (en) * | 2005-09-20 | 2007-03-29 | Guardian Industries Corp. | Coating with infrared and ultraviolet blocking characteristics |
| US7659001B2 (en) | 2005-09-20 | 2010-02-09 | Guardian Industries Corp. | Coating with infrared and ultraviolet blocking characteristics |
| US7771103B2 (en) | 2005-09-20 | 2010-08-10 | Guardian Industries Corp. | Optical diffuser with IR and/or UV blocking coating |
| JP2008297414A (en) * | 2007-05-30 | 2008-12-11 | Mitsubishi Materials Corp | Near infrared light-shielding composition and use thereof |
| JP2016182767A (en) * | 2015-03-26 | 2016-10-20 | 東洋紡株式会社 | Ultraviolet-transmissive antistatic release film and adhesive sheet comprising the same laminated with adhesive layer |
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