JP2001353808A - Coating film for preventing soil from becoming conspicuous, manufacturing method therefor, display and touch panel using the coating film, and information therminal using display and touch panel - Google Patents

Coating film for preventing soil from becoming conspicuous, manufacturing method therefor, display and touch panel using the coating film, and information therminal using display and touch panel

Info

Publication number
JP2001353808A
JP2001353808A JP2000176268A JP2000176268A JP2001353808A JP 2001353808 A JP2001353808 A JP 2001353808A JP 2000176268 A JP2000176268 A JP 2000176268A JP 2000176268 A JP2000176268 A JP 2000176268A JP 2001353808 A JP2001353808 A JP 2001353808A
Authority
JP
Japan
Prior art keywords
group
display
stain
conspicuous
touch panel
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
Application number
JP2000176268A
Other languages
Japanese (ja)
Inventor
Kazufumi Ogawa
小川　　一文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2000176268A priority Critical patent/JP2001353808A/en
Publication of JP2001353808A publication Critical patent/JP2001353808A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/062—Maintenance or repair facilities
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/034—Environmental protection

Abstract

PROBLEM TO BE SOLVED: To effectively prevent a soil caused by a fingerprint on a base from becoming conspicuous as the fingerprint is moistened and spread wide over a coating film for preventing the soil from becoming conspicuous, even when fingerprint is left on the surface of the coating film and make the display area clear of the soil by forming the coating film on the display area of a display and a touch panel and also an information terminal using the display and the touch panel. SOLUTION: The coating film for preventing the soil form becoming conspicuous is lipophilic, so that the soil caused by the fingerprint is prevented from becoming conspicuous even when the fingerprint is left and also effaces the soil.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、汚れ目立ち防止被
膜及びその製造方法、並びにそれを用いたディスプレ
イ、タッチパネル、それらを用いた情報端末に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stain prevention coating and a method for producing the same, and a display and a touch panel using the same, and an information terminal using the same.

【０００２】[0002]

【従来の技術】従来の情報端末、例えば、自動現金引出
し預け入れ装置（ＡＴＭ：Ａｕｔｏｍａｔｉｃ Ｔｅｌ
ｌｅｒ Ｍａｃｈｉｎｅ）、現金自動支払機（ＣＤ：Ｃ
ａｓｈＤｉｓｐｅｎｓｅｒ）、自動販売機、ナビゲーシ
ョン装置、セキュリティーシステム端末、またはパーソ
ナルコンピュータ等では、入出力部にディスプレイやタ
ッチパネル、タッチパネル付きディスプレイが装着され
ている。2. Description of the Related Art A conventional information terminal, for example, an ATM (Automatic Tel).
ler Machine), Cash Dispenser (CD: C
For example, a display, a touch panel, and a display with a touch panel are mounted on an input / output unit of an apparatus such as an assembler, a vending machine, a navigation device, a security system terminal, or a personal computer.

【０００３】ところが、これらの情報端末の使用時に
は、その表示面を指で触れて操作をするため、表示面に
皮脂等の生体由来脂質成分による指紋等（以下、単に
「指紋」ということがある）が付着し見苦しいものとな
る。However, when these information terminals are used, the display surface is operated by touching the display surface with a finger, so that a fingerprint or the like (hereinafter, may be simply referred to as a “fingerprint”) on the display surface is made of a lipid component derived from a living body such as sebum. ) Adheres and becomes unsightly.

【０００４】そのため、指紋が表示面に付着するのを防
止するための対策がなされている。例えば、表示面に撥
油性のフッ素を含む被膜を形成する方法が行われてい
る。Therefore, measures have been taken to prevent fingerprints from adhering to the display surface. For example, a method of forming a film containing oil-repellent fluorine on a display surface has been performed.

【０００５】[0005]

【発明が解決しようとする課題】しかしながら、撥油性
のフッ素を含む被膜は、指紋の主成分である脂質を完全
にはじくことができず、実用レベルで指紋の付着を防止
できるものではない。強いて利点を言えば、指紋をふき
取りやすいことである。However, an oil-repellent fluorine-containing film cannot completely repel lipids, which are the main components of fingerprints, and cannot prevent the adhesion of fingerprints at a practical level. The strong point is that it is easy to wipe off fingerprints.

【０００６】一方、指紋等の汚れを防止できなくとも、
その汚れを目立たなくすることができれば、表示面が見
苦しいものとならない。On the other hand, even if it is not possible to prevent fingerprints and other stains,
If the dirt can be made inconspicuous, the display surface will not be unsightly.

【０００７】すなわち、本発明の目的は、汚れの目立ち
を防止できる被膜及びその製造方法、並びにそれを用い
たディスプレイ、タッチパネル、それらを用いた情報端
末を提供することにある。That is, an object of the present invention is to provide a film capable of preventing conspicuous dirt and a method for manufacturing the same, and a display and a touch panel using the same, and an information terminal using the same.

【０００８】[0008]

【課題を解決するための手段】本願発明者は、上記課題
を解決すべく、鋭意検討した結果、被膜を親油性にする
ことにより、指紋等の汚れが付着しても汚れが目立たな
い、あるいは汚れを目立たなくすることができることを
見出し、本発明を完成した。すなわち、本発明は、以下
のとおりである。Means for Solving the Problems The inventors of the present invention have conducted intensive studies in order to solve the above-mentioned problems, and as a result, by making the film lipophilic, the stains are not conspicuous even when stains such as fingerprints adhere, or The present inventors have found that dirt can be made inconspicuous and completed the present invention. That is, the present invention is as follows.

【０００９】請求項１に記載の発明は、汚れ目立ち防止
被膜の被膜が親油性であることを特徴とする。[0009] The first aspect of the present invention is characterized in that the film of the stain prevention coating is lipophilic.

【００１０】被膜が親油性であるので、この被膜に指紋
が付着した場合には、被膜と脂質を主成分とする指紋と
の親和性が強くなる。この結果、付着した指紋は被膜上
を濡れて流れ広がることとなる。すなわち、指紋が付着
している部分には、脂質を主成分とする層が形成されて
いる。親油性の被膜上で、この指紋が流れ広がることに
より、この層は広がり、まるで被膜上にさらに薄い脂質
を主成分とする膜が形成されたようになる。従って、指
紋自体が目立たなくなり、基材の汚れの目立ちを防止す
ることができる。[0010] Since the film is lipophilic, if a fingerprint adheres to the film, the affinity between the film and the fingerprint containing lipid as a main component becomes stronger. As a result, the adhered fingerprints wet and spread on the coating. That is, a layer containing lipid as a main component is formed in a portion where the fingerprint is attached. The spreading of the fingerprint over the lipophilic coating spreads this layer, as if a thin lipid-based membrane had formed on the coating. Therefore, the fingerprint itself becomes inconspicuous, and contaminants on the substrate can be prevented from being conspicuous.

【００１１】そして、特に、ディスプレイ、タッチパネ
ル、タッチパネル付きディスプレイ、更にはそれらを用
いた情報端末は、表示面を指で触れて操作するため、指
紋の汚れが目立ち易い。しかし、前記汚れ目立ち防止被
膜を前記表示面に適用することにより、表示面に指紋が
付着しても、その表示面を見苦しくない綺麗な状態とす
ることができる。[0011] In particular, since the display, the touch panel, the display with a touch panel, and the information terminal using the same are operated by touching the display surface with a finger, fingerprints are easily contaminated. However, by applying the stain conspicuous prevention coating to the display surface, even if fingerprints adhere to the display surface, the display surface can be made in a beautiful state in which the display surface is not difficult to see.

【００１２】請求項２に記載の発明は、請求項１記載の
汚れ目立ち防止被膜であって、上記親油性が生体由来脂
質成分に対する親油性であることを特徴とする。According to a second aspect of the present invention, there is provided the stain prevention coating according to the first aspect, wherein the lipophilicity is lipophilic to a biological lipid component.

【００１３】ディスプレイ、タッチパネル、タッチパネ
ル付きディスプレイ、更にはそれらを用いた情報端末の
表示面の汚れの原因の多くは、皮脂等の生体由来脂質成
分による指紋等である。被膜の親油性を生体由来脂質成
分に対する親油性にすることで、皮脂等の生体由来脂質
成分による指紋等による汚れの目立ちをより効果的に防
止することができる。Many of the causes of stains on displays, touch panels, displays with touch panels, and display surfaces of information terminals using them are fingerprints or the like caused by biological lipid components such as sebum. By making the lipophilicity of the coating lipophilic to the biologically-derived lipid component, it is possible to more effectively prevent stains due to fingerprints or the like due to the biologically-derived lipid component such as sebum.

【００１４】請求項３の発明は、請求項１または請求項
２に記載の汚れ目立ち防止被膜であって、上記汚れ目立
ち防止被膜の表面エネルギーが３０ｍＮ／ｍ以上、７０
ｍＮ／ｍ以下であることを特徴とする。According to a third aspect of the present invention, there is provided the anti-dirt coating according to claim 1 or 2, wherein the anti-dirt coating has a surface energy of 30 mN / m or more and 70 mN / m or more.
mN / m or less.

【００１５】上記のように、表示面の汚れの原因は、皮
脂等の生体由来脂質成分による指紋等である。上記汚れ
目立ち防止被膜の表面エネルギーを３０ｍＮ／ｍ以上、
７０ｍＮ／ｍ以下で所望の値に制御しておくことによ
り、更に、皮脂等の生体由来脂質成分と前記被膜との親
和性が向上し、上記汚れ目立ち防止被膜上で指紋が濡れ
て広がり易くなる。As described above, the cause of stains on the display surface is a fingerprint or the like due to a lipid component derived from a living body such as sebum. The surface energy of the stain conspicuous prevention coating is 30 mN / m or more,
By controlling it to a desired value at 70 mN / m or less, the affinity between a biologically-derived lipid component such as sebum and the coating is further improved, and the fingerprint is easily wetted and spread on the above-mentioned stain prevention coating. .

【００１６】請求項４の発明は、請求項１〜請求項３の
いずれかに記載の汚れ目立ち防止被膜であって、上記汚
れ目立ち防止が、付着した脂質成分を被膜の親油性によ
り被膜上で拡散させて、付着した脂質成分に起因する汚
れが目立たないあるいは汚れを目立ちにくくするもので
ある。According to a fourth aspect of the present invention, there is provided the anti-dirt coating according to any one of the first to third aspects, wherein the anti-dirt coating prevents the adhered lipid component from lipophilicity on the coating. By diffusing, the stain caused by the attached lipid component is made inconspicuous or makes the stain less noticeable.

【００１７】付着した脂質成分と被膜との接触により、
親油性を有する被膜の界面上で脂質成分の拡散を生じ、
付着した脂質成分に起因する汚れが目立たないあるいは
汚れを目立ちにくくすることができる。[0017] By contact between the attached lipid component and the film,
Causes the diffusion of lipid components on the interface of the lipophilic coating,
The stain caused by the attached lipid component can be made inconspicuous, or the stain can be made inconspicuous.

【００１８】請求項５に記載に発明は、請求項１〜請求
項４のいずれかに記載の汚れ目立ち防止被膜であって、
少なくとも親油性基を有し、かつ親油性基が基材の外方
に配向し、分子の一部が基材に化学結合した分子の集合
群からなるものである。According to a fifth aspect of the present invention, there is provided a stain prevention coating according to any one of the first to fourth aspects,
It comprises at least a group of molecules having a lipophilic group, wherein the lipophilic group is oriented outward of the substrate, and a part of the molecule is chemically bonded to the substrate.

【００１９】分子の一部が基材に化学反応し、親油性基
が基材表面から外方に配向しているので、被膜は親油性
である。そのため、脂質成分からなる指紋の汚れが被膜
表面に付着しても、両者の親和性により、その汚れが目
立たない、あるいは汚れを目立たなくすることができ
る。The coating is lipophilic because some of the molecules chemically react with the substrate and the lipophilic groups are oriented outward from the substrate surface. Therefore, even if fingerprint stains composed of lipid components adhere to the surface of the coating film, the stains can be made inconspicuous or the stains can be made inconspicuous due to the affinity between the two.

【００２０】請求項６に記載の発明は、請求項５記載の
汚れ目立ち防止被膜であって、上記親油性基が、少なく
とも脂肪酸エステル基であることを特徴とする。According to a sixth aspect of the present invention, there is provided the stain prevention coating according to the fifth aspect, wherein the lipophilic group is at least a fatty acid ester group.

【００２１】本項の汚れ目立ち防止被膜は、化学吸着物
質の親油性基を少なくとも脂肪酸エステル基とすること
で、被膜に親油性を付与することができる。脂肪酸エス
テルは、生体成分由来の脂質との親和性が高いので、効
果的に汚れの目立ちを防止できる。The stain conspicuous prevention coating according to this item can impart lipophilicity to the coating by using at least a fatty acid ester group as the lipophilic group of the chemically adsorbed substance. Fatty acid esters have a high affinity for lipids derived from biological components, and thus can effectively prevent conspicuous stains.

【００２２】請求項７に記載の発明は、請求項６に記載
の汚れ目立ち防止被膜であって、上記脂肪酸エステル基
が、ステアリル基、オレフィニル基、リノーリル基、リ
ノレニル基、またはパルミチニル基を有することを特徴
とする。According to a seventh aspect of the present invention, there is provided the stain prevention coating according to the sixth aspect, wherein the fatty acid ester group has a stearyl group, an olefinyl group, a linoleyl group, a linolenyl group, or a palmitinyl group. It is characterized by.

【００２３】脂肪酸エステル基が、ステアリル基、オレ
フィニル基、リノーリル基、リノレニル基、またはパル
ミチニル基を有している場合は、特に皮脂等の生体由来
脂質成分との親和性に優れるために、指紋等の汚れに対
する濡れ性が向上し、その汚れが目立たない、あるいは
汚れを目立たなくすることができる。When the fatty acid ester group has a stearyl group, an olefinyl group, a linoleyl group, a linolenyl group, or a palmitinyl group, fingerprints and the like are particularly preferred because they have excellent affinity with biologically derived lipid components such as sebum. Has improved wettability, making the stain less noticeable or less noticeable.

【００２４】請求項８に記載の発明は、請求項５〜請求
項７のいずれかに記載の汚れ目立ち防止被膜であって、
上記化学結合が、シロキサン結合であることを特徴とす
る。According to an eighth aspect of the present invention, there is provided a stain prevention coating according to any one of the fifth to seventh aspects,
The chemical bond is a siloxane bond.

【００２５】上記汚れ目立ち防止被膜は、分子をシロキ
サン結合により、基材に化学結合させている。よって、
耐久性に優れた汚れ目立ち防止被膜とすることができ、
例え、該汚れ目立ち防止被膜に付着した指紋をふき取っ
たとしても被膜が基材から剥がれるようなことはない。In the above-mentioned stain prevention coating, molecules are chemically bonded to the substrate by siloxane bonds. Therefore,
It can be a dirt noticeable coating with excellent durability,
Even if the fingerprint adhered to the stain prevention coating is wiped off, the coating does not peel off from the substrate.

【００２６】請求項９に記載する発明は、請求項１〜請
求項４のいずれかに記載の汚れ目立ち防止被膜であっ
て、被膜を構成する物質に、さらに親油性物質が分散添
加されていることを特徴とする。According to a ninth aspect of the present invention, there is provided the stain prevention coating according to any one of the first to fourth aspects, wherein a lipophilic substance is further dispersed and added to the substance constituting the coating. It is characterized by the following.

【００２７】この発明は、被膜が親油性である汚れ目立
ち防止被膜の別の態様を示す。すなわち、被膜を構成す
る物質に、さらに親油性物質を分散添加させることによ
っても、親油性の被膜が得られ、付着した脂質成分に起
因する汚れが目立たないあるいは汚れを目立ちにくくす
ることができる。The present invention represents another embodiment of a stain resistant coating in which the coating is lipophilic. That is, by further dispersing and adding a lipophilic substance to the substance constituting the coating, a lipophilic coating can be obtained, and the dirt caused by the attached lipid component can be made inconspicuous or the dirt can be made inconspicuous.

【００２８】請求項１０に記載の発明は、汚れ目立ち防
止被膜の製造方法であって、官能基として親水性基と親
油性基とを有する化学吸着物質を含む吸着溶液を基材表
面に接触させる工程と、溶媒を除去し、化学吸着物質の
親水性基を基材表面に化学結合させ、親油性基側が基材
表面から外方に向ける被膜形成工程とを、含むことを特
徴とする。According to a tenth aspect of the present invention, there is provided a method for producing a stain prevention coating, wherein an adsorption solution containing a chemically adsorbed substance having a hydrophilic group and a lipophilic group as a functional group is brought into contact with the surface of the substrate. And a film forming step of removing the solvent, chemically bonding the hydrophilic group of the chemisorbed substance to the substrate surface, and directing the lipophilic group side outward from the substrate surface.

【００２９】この方法によれば、親水性基を基材表面に
化学結合させ、親油性基側が基材表面から外方に向いて
いるので、親油性の被膜を製造できる。また、その方法
も、化学吸着物質を含む吸着溶液を基材表面に接触さ
せ、溶媒を除去するだけで、化学吸着物質が基材に化学
吸着するので、容易に被膜を製造することができる。According to this method, a hydrophilic group is chemically bonded to the substrate surface, and the lipophilic group side faces outward from the substrate surface, so that a lipophilic coating can be produced. In addition, in this method, the chemical adsorbed substance is chemically adsorbed to the substrate only by bringing the adsorption solution containing the chemically adsorbed substance into contact with the surface of the base material and removing the solvent, so that a film can be easily produced.

【００３０】請求項１１に記載の発明は、請求項１０記
載の汚れ目立ち防止被膜の製造方法であって、上記被膜
形成工程が、基材表面上の活性水素を有する官能基と上
記化学吸着物質の親水性基とを化学反応させる工程であ
ることを特徴とする。[0030] According to an eleventh aspect of the present invention, there is provided the method for producing a stain conspicuous coating according to the tenth aspect, wherein the step of forming the film comprises the steps of: Characterized by a step of chemically reacting with a hydrophilic group of

【００３１】この方法によれば、基材表面上の活性水素
を有する官能基と化学吸着物質の親水性基とを化学反応
させることにより、耐久性に優れた汚れ目立ち防止被膜
を製造することができる。According to this method, the functional group having active hydrogen on the surface of the substrate and the hydrophilic group of the chemisorbed substance are chemically reacted to produce a stain resistant coating having excellent durability. it can.

【００３２】請求項１２に記載の発明は、請求項１０ま
たは請求項１１記載の汚れ目立ち防止被膜の製造方法で
あって、上記化学吸着物質の親油性基が少なくとも脂肪
酸エステル基であることを特徴とする。According to a twelfth aspect of the present invention, there is provided the method for producing a stain prevention coating according to the tenth or eleventh aspect, wherein the lipophilic group of the chemically adsorbed substance is at least a fatty acid ester group. And

【００３３】この方法によれば、脂肪酸エステル基を有
する被膜を基材上に形成できる。脂肪酸エステル基の親
油性により、脂質成分からなる指紋の汚れが被膜表面に
付着しても、両者の親和性により、その汚れが目立たな
い、あるいは汚れを目立たなくすることができる汚れ目
立ち防止被膜を製造できる。According to this method, a film having a fatty acid ester group can be formed on a substrate. Due to the lipophilicity of the fatty acid ester groups, even if fingerprint stains composed of lipid components adhere to the coating surface, the affinity between the two makes the stains inconspicuous or the stains inconspicuous. Can be manufactured.

【００３４】請求項１３に記載の発明は、請求項１１ま
たは請求項１２記載の汚れ目立ち防止被膜の製造方法で
あって、上記化学吸着物質の親水性基がクロロシリル基
であり、上記化学反応が、このクロロシリル基と上記活
性水素との間で脱塩酸反応させてシロキサン結合を形成
するものであることを特徴とする。According to a thirteenth aspect of the present invention, there is provided the method for producing a stain prevention coating according to the eleventh or twelfth aspect, wherein the hydrophilic group of the chemisorbed substance is a chlorosilyl group, and the chemical reaction is suppressed. The chlorosilyl group and the active hydrogen are dehydrochlorinated to form a siloxane bond.

【００３５】この方法では、化学吸着物質が親水性基と
してクロロシリル基を有しているので、このクロロシリ
ル基と基板表面上の活性水素との間で起こる脱塩酸反応
により、被膜を構成する上記物質と基板とがシロキサン
結合する。これにより、被膜がより強固に基材に結合す
るので、耐剥離性、耐久性に優れた汚れ目立ち防止被膜
を製造することができる。In this method, since the chemically adsorbed substance has a chlorosilyl group as a hydrophilic group, a dehydrochlorination reaction between the chlorosilyl group and active hydrogen on the substrate surface causes the above-mentioned substance constituting the coating to be formed. And the substrate are siloxane-bonded. As a result, the coating is more firmly bonded to the base material, so that a stain prevention coating excellent in peel resistance and durability can be manufactured.

【００３６】請求項１４に記載の発明は、請求項１０〜
請求項１３のいずれかに記載の汚れ目立ち防止被膜の製
造方法であって、上記被膜形成工程終了後、非水系の有
機溶媒を用いて未反応の化学吸着物質を洗浄除去する洗
浄工程を含むことを特徴とする。The invention according to claim 14 is the invention according to claim 10
The method for producing a stain conspicuous prevention film according to any one of claims 13 to 14, further comprising a washing step of washing and removing unreacted chemisorbed substances using a non-aqueous organic solvent after completion of the film formation step. It is characterized by.

【００３７】この方法によれば、被膜形成工程終了後、
有機溶媒で未反応の被膜を構成する物質を洗浄除去する
ことにより、表面光沢や色調を全く損なわない膜厚がナ
ノメータレベルの単分子膜状の汚れ目立ち防止被膜を製
造することができる。According to this method, after the film forming step is completed,
By washing and removing the material constituting the unreacted film with an organic solvent, a monomolecular film-like stain prevention film having a film thickness of nanometer level without impairing the surface gloss or color tone can be produced.

【００３８】なお、この方法は、本願発明の必須構成要
件ではない。すなわち、未反応の被膜を構成する化学吸
着物質を洗浄除去する工程を行わなければ、表面光沢や
色調は多少損なわれる（膜厚を薄くすればほとんど実用
上問題はない）が、ポリマー状の被膜を製造することが
できるからである。This method is not an essential component of the present invention. That is, if the step of washing and removing the chemically adsorbed substances constituting the unreacted film is not performed, the surface gloss and the color tone are somewhat impaired (there is no practical problem if the film thickness is reduced). It is because it can manufacture.

【００３９】請求項１５に記載の発明は、ディスプレイ
であって、最表示面に、請求項１〜請求項９のいずれか
に記載の汚れ目立ち防止被膜が形成されていることを特
徴とする。According to a fifteenth aspect of the present invention, there is provided a display, characterized in that the stain prevention coating according to any one of the first to ninth aspects is formed on the most display surface.

【００４０】請求項１６に記載の発明は、ディスプレイ
であって、ディスプレイの表示面にタッチパネルが設置
されており、該タッチパネル表面に、請求項１〜請求項
９のいずれかに記載の汚れ目立ち防止被膜が形成されて
いることを特徴とする。According to a sixteenth aspect of the present invention, there is provided a display, wherein a touch panel is provided on a display surface of the display, and the surface of the touch panel is prevented from being contaminated according to any one of the first to ninth aspects. It is characterized in that a coating is formed.

【００４１】請求項１７に記載の発明は、請求項１５ま
たは請求項１６に記載のディスプレイであって、上記デ
ィスプレイがＣＲＴ、ＬＣＤ、ＰＤＰ、ＦＥＤ、または
ＥＬＤであることを特徴とする。The invention according to claim 17 is the display according to claim 15 or 16, wherein the display is a CRT, an LCD, a PDP, a FED, or an ELD.

【００４２】請求項１８に記載の発明は、タッチパネル
であって、表示面に、請求項１〜請求項９のいずれかに
記載の汚れ目立ち防止被膜が形成されていることを特徴
とする。According to an eighteenth aspect of the present invention, there is provided a touch panel, wherein the stain prevention coating according to any one of the first to ninth aspects is formed on a display surface.

【００４３】請求項１９に記載の発明は、情報端末であ
って、入出力部にタッチパネル付きディスプレイが設置
されており、前記タッチパネル表示面に、請求項１〜請
求項９のいずれかに記載の汚れ目立ち防止被膜が形成さ
れていることを特徴とする。According to a nineteenth aspect of the present invention, in the information terminal, a display with a touch panel is provided in the input / output unit, and the display surface of the touch panel is provided with any one of the first to ninth aspects. It is characterized in that a stain conspicuous prevention coating is formed.

【００４４】請求項２０に記載の発明は、請求項１９記
載の情報端末であって、前記ディスプレイがＣＲＴ、Ｌ
ＣＤ、ＰＤＰ、ＦＥＤ、またはＥＬＤであることを特徴
とする。According to a twentieth aspect of the present invention, in the information terminal according to the nineteenth aspect, the display is a CRT or LRT.
It is a CD, PDP, FED, or ELD.

【００４５】請求項２１に記載の発明は、情報端末であ
って、入力部にタッチパネルが設置されており、前記タ
ッチパネル表示面に、請求項１〜請求項９のいずれかに
記載の汚れ目立ち防止被膜が形成されていることを特徴
とする。According to a twenty-first aspect of the present invention, there is provided an information terminal, wherein a touch panel is provided in an input section, and the display surface of the touch panel is provided with an anti-dirt appearance according to any one of the first to ninth aspects. It is characterized in that a coating is formed.

【００４６】請求項２２に記載の発明は、請求項２０〜
請求項２１のいずれかに記載の情報端末であって、前記
情報端末が、自動現金引出し預け入れ装置、現金自動支
払機、自動販売機、ナビゲーション装置、セキュリティ
ーシステム端末、またはパーソナルコンピュータである
ことを特徴とする。The invention described in claim 22 is the invention according to claims 20 to
22. The information terminal according to claim 21, wherein the information terminal is an automatic cash withdrawal depositing device, a cash dispenser, a vending machine, a navigation device, a security system terminal, or a personal computer. And

【００４７】請求項１５〜請求項２２のいずれかに記載
の発明のように、ディスプレイ（例えば、ＣＲＴ（ブラ
ウン管）、ＬＣＤ（液晶表示装置）、ＰＤＰ（プラズマ
ディスプレイ）、ＦＥＤ（フィールドエミッションディ
スプレイ）、またはＥＬＤ（エレクトロルミネッセンス
ディスプレイ））、あるいはタッチパネルの最表示面
に、請求項１〜請求項９のいずれかに記載の汚れ目立ち
防止被膜を形成しておくと、使用に伴う指紋の汚れを目
立たなくする効果が大きい。A display (for example, CRT (CRT), LCD (liquid crystal display), PDP (plasma display), FED (field emission display), Alternatively, by forming an anti-conspicuous coating according to any one of claims 1 to 9 on an ELD (electroluminescence display) or on the most display surface of a touch panel, it is possible to make fingerprints contaminant during use inconspicuous. The effect is great.

【００４８】また、前記汚れ目立ち防止被膜を形成した
ディスプレイやタッチパネルを用いて情報端末を製造す
ると、指紋による汚れが目立たず、入出力部が綺麗に見
える自動現金引出し預け入れ装置、現金自動支払機、自
動販売機、ナビゲーション装置、セキュリティーシステ
ム端末、またはパーソナルコンピュータを提供すること
ができる。Further, when an information terminal is manufactured using a display or a touch panel on which the above-mentioned dirt conspicuous prevention coating is formed, dirt due to fingerprints is not conspicuous and the input / output unit looks beautiful, A vending machine, a navigation device, a security system terminal, or a personal computer can be provided.

【００４９】[0049]

【発明の実施の形態】本発明の実施の形態に係る汚れ目
立ち防止被膜は、被膜が親油性である。被膜が親油性で
あれば、被膜表面に指紋が付着した場合に、その指紋に
よる汚れの目立ちを防ぎ、基材を見苦しくない綺麗な状
態に維持できる。BEST MODE FOR CARRYING OUT THE INVENTION A stain prevention coating according to an embodiment of the present invention is lipophilic. If the film is lipophilic, when a fingerprint adheres to the surface of the film, it is possible to prevent the fingerprint from being conspicuous and to keep the base material in a clean and unobtrusive state.

【００５０】ここで、被膜が親油性であるとは、被膜を
構成する分子が親油性の官能基を含んでいることや被膜
を構成する物質に親油性物質が分散添加されていること
などをいう。このような親油性の被膜を用いると、被膜
に付着した脂質成分が被膜の界面上で拡散されること
で、この指紋が流れ広がり、指紋自体が目立たなくな
り、基材の汚れの目立ちを防止することができる。な
お、この拡散には、自由拡散のみならず、温度による対
流や振動などの外力による拡散も含まれる。この被膜の
親油性は、生体由来脂質成分に対する親油性であること
が望ましい。ディスプレイ、タッチパネル、タッチパネ
ル付きディスプレイ、更にはそれらを用いた情報端末の
表示面の汚れの原因の多くは、皮脂等の生体由来脂質成
分による指紋等によるため、これらの汚れをより効果的
に目立たなくすることができるからである。Here, the term “a film is lipophilic” means that a molecule constituting the film contains a lipophilic functional group or that a lipophilic substance is dispersedly added to a material constituting the film. Say. When such a lipophilic film is used, the lipid component attached to the film is diffused on the interface of the film, so that the fingerprint flows and spreads, and the fingerprint itself becomes inconspicuous, thereby preventing the substrate from being contaminated. be able to. Note that this diffusion includes not only free diffusion but also diffusion due to external force such as convection or vibration due to temperature. The lipophilicity of the coating is desirably lipophilic for the lipid component derived from a living body. Many of the causes of stains on displays, touch panels, displays with touch panels, and display surfaces of information terminals using them are caused by fingerprints or the like caused by biological lipid components such as sebum. Because you can.

【００５１】本発明の汚れ目立ち防止被膜は、特に、汚
れ目立ち防止被膜の表面エネルギーを３０ｍＮ／ｍ以
上、７０ｍＮ／ｍ以下にしておくことが好ましい。被膜
の表面エネルギーが上記の範囲にあれば、被膜の濡れ性
が向上し、被膜の表面に皮脂等の生体由来脂質成分が付
着した場合に、この生体由来脂質成分自身の凝集に打ち
勝って、生体由来脂質成分が被膜表面に広がり易くなる
からである。具体的には、膜素材に炭化水素基を含む物
質あるいはカルボキシル基を含む物質を用いることで、
被膜の表面エネルギーを上記範囲に制御できる。It is particularly preferable that the surface coating of the present invention has a surface energy of 30 mN / m or more and 70 mN / m or less. When the surface energy of the coating is within the above range, the wettability of the coating is improved, and when a biological lipid component such as sebum adheres to the surface of the coating, it overcomes the aggregation of this biological lipid component itself, and This is because the derived lipid component easily spreads on the surface of the coating. Specifically, by using a substance containing a hydrocarbon group or a substance containing a carboxyl group in the film material,
The surface energy of the coating can be controlled within the above range.

【００５２】以下に、親油性の被膜の例として、被膜を
構成する分子が官能基として親水性基と親油性基とを有
する化学吸着物質の化学結合したものである場合につい
て説明する。この汚れ目立ち防止被膜は、少なくとも親
油性基を有し、かつ親油性基が基材の外方に配向し、分
子の一部が基材に化学結合した分子の集合群からなるも
のである。化学吸着物質が有している親油性の官能基と
しては、例えば、脂肪酸エステル基、芳香族エステル基
などの炭化水素基が挙げられる。好ましくは、生体由来
脂質成分に構造が似ている理由から、脂肪酸エステル基
である。Hereinafter, as an example of the lipophilic film, a case where the molecules constituting the film are chemically bonded to a chemically adsorbed substance having a hydrophilic group and a lipophilic group as functional groups will be described. This anti-dirt coating has at least a lipophilic group, the lipophilic group is oriented to the outside of the substrate, and a group of molecules in which some of the molecules are chemically bonded to the substrate. Examples of the lipophilic functional group possessed by the chemically adsorbed substance include a hydrocarbon group such as a fatty acid ester group and an aromatic ester group. Preferably, it is a fatty acid ester group because of its similar structure to the biological lipid component.

【００５３】上記脂肪酸エステル基を有する化学吸着物
質としては、特に制限されず、公知の脂肪酸エステル基
を有する化学吸着物質が使用できるが、好ましくは下記
一般式（１）に示される脂肪酸エステル基を有する化学
吸着物質である。The chemisorbed substance having a fatty acid ester group is not particularly limited, and a known chemisorbed substance having a fatty acid ester group can be used. Preferably, a fatty acid ester group represented by the following general formula (1) is used. Is a chemisorbed substance.

【００５４】[0054]

【化１】 （式中、Ｒ1及びＲ2は、同一又は異なっており、それぞ
れＲ1は炭素数１〜２５の、Ｒ2は炭素数１〜２５の飽和
または不飽和の直鎖または分枝の脂肪族炭化水素基を示
す） ただし、Ｒ1及びＲ2は、全体で炭素数２〜３０程度の物
を用いると、扱いやすく、好ましい。不飽和脂肪族炭化
水素基の場合は、分子内に少なくとも１の二重結合及び
／又は三重結合を有していてもよい。これらの脂肪酸エ
ステル基を有している化学吸着物質は、単独で用いても
よいし、２種以上混合して用いてもよい。Embedded image (Wherein, R 1 and R 2 are the same or different and, R 1 is 1 to 25 carbon atoms each, R 2 is a linear or branched aliphatic saturated or unsaturated 1 to 25 carbon atoms However, it is preferable that R 1 and R 2 have a total of about 2 to 30 carbon atoms because they are easy to handle. In the case of an unsaturated aliphatic hydrocarbon group, it may have at least one double bond and / or triple bond in the molecule. These chemisorbed substances having a fatty acid ester group may be used alone or in combination of two or more.

【００５５】Ｒ1及びＲ2のうち被膜の親油性により多く
の影響を与えるのは、Ｒ1である。Ｒ1の炭化水素基を適
宜選択することで、被膜の親油性の程度を変えることが
できる。例えば、親油性が生体由来脂質成分に対する親
油性である場合には、その親和性からみて、Ｒ1とし
て、ステアリル基、オレフィニル基、リノーリル基、リ
ノレニル基、パルミチニル基などを用いるのが好まし
い。[0055] give much influenced by the lipophilicity of the coating of R 1 and R 2 are R 1. By appropriately selecting the hydrocarbon group of R 1 , the degree of lipophilicity of the coating can be changed. For example, when the lipophilicity is a lipophilicity to a biologically-derived lipid component, it is preferable to use a stearyl group, an olefinyl group, a linoleyl group, a linolenyl group, a palmitinyl group, or the like as R 1 in view of its affinity.

【００５６】化学吸着物質は、さらに官能基としてシロ
キサン結合基を有していてもよい。シロキサン結合を介
して化学吸着物質体を基材により強固に結合できるから
である。The chemisorbed substance may further have a siloxane bonding group as a functional group. This is because the chemically adsorbed substance can be more firmly bonded to the base material through the siloxane bond.

【００５７】次に、親油性の被膜の別の例として、被膜
を構成する物質に、さらに親油性物質が分散添加されて
いる場合について説明する。この場合にも、この親油性
物質が上記、被膜を構成する物質が有している親油性の
官能基と同様の働きをするので、汚れの目立ちを防止で
きる。Next, as another example of the lipophilic film, a case where a lipophilic substance is further dispersed and added to the material constituting the film will be described. Also in this case, since the lipophilic substance functions in the same manner as the lipophilic functional group of the substance constituting the coating film, dirt can be prevented from being noticeable.

【００５８】被膜を構成する物質としては、基材上に設
けることができるものであれば、特に制限なく、例えば
ポリ塩化ビニル、ポリアクリル酸エステル、ポリカーボ
ネートなどの樹脂が使用できる。The material constituting the film is not particularly limited as long as it can be provided on the substrate, and for example, resins such as polyvinyl chloride, polyacrylate, and polycarbonate can be used.

【００５９】分散添加される親油性物質としては、例え
ば脂肪酸（ステアリン酸、オレイン酸、リノール酸、リ
ノレン酸、またはパルミチン酸等）などが挙げられる。Examples of the lipophilic substance to be dispersedly added include fatty acids (such as stearic acid, oleic acid, linoleic acid, linolenic acid, and palmitic acid).

【００６０】膜を構成する物質に、さらに親油性物質が
分散添加されている被膜を作成するのは、膜を構成する
物質に親油性物質を分散添加したものを、公知の方法
で、積層すればよい。A film in which a lipophilic substance is further dispersed and added to the material constituting the film is formed by laminating a material in which the lipophilic substance is dispersed and added to the material constituting the film by a known method. I just need.

【００６１】本発明の被膜は、ディスプレイ等の基材の
表示色調や光沢を損なわい程度の透過性、屈折率等の光
学特性を有し、タッチパネルの操作性を損なわない程度
に可塑性、弾性等を有していることが必要である。The coating of the present invention has optical properties such as transmittance and refractive index that do not impair the display color tone and gloss of the substrate such as a display, and has plasticity and elasticity that does not impair the operability of the touch panel. It is necessary to have

【００６２】次に、本発明の汚れ目立ち防止被膜の製造
方法について説明する。ここでは、親水性基と親油性基
とを有する化学吸着物質を用いた目立ち防止被膜を例
に、図を用いて説明する。図１は、本発明の汚れ目立ち
防止被膜の製造工程を示すフローチャートである。Next, a method for producing the stain conspicuous prevention coating of the present invention will be described. Here, an example of an inconspicuous coating using a chemically adsorbed substance having a hydrophilic group and a lipophilic group will be described with reference to the drawings. FIG. 1 is a flow chart showing a process for producing a stain conspicuous prevention coating of the present invention.

【００６３】先ず、非水系有機溶媒に、親水性基と親油
性基とを有する化学吸着物質、例えば、下記一般式
（２）で表される官能基を有する化学吸着物質が溶解し
た吸着溶液を調整する（吸着溶液調整工程、Ｓ１）。First, an adsorption solution in which a chemically adsorbed substance having a hydrophilic group and a lipophilic group, for example, a chemically adsorbed substance having a functional group represented by the following general formula (2) is dissolved in a non-aqueous organic solvent. Adjustment (adsorption solution adjustment step, S1).

【００６４】[0064]

【化２】 （式中、Ａは、上記一般式（１）で表される脂肪族エス
テル基、Ｘは炭素数１〜３の低級アルキル基、Ｙは塩
素、臭素、ヨウ素等のハロゲン原子、炭素数１〜３の低
級アルコキシ基、シンナメート基または水素原子、ｑは
０、１または２、ｐ＋ｑは３を示す。） なお、この吸着溶液の調整は、相対湿度３５％以下の乾
燥雰囲気下で行うことが好ましい。Embedded image (Where A is an aliphatic ester group represented by the above general formula (1), X is a lower alkyl group having 1 to 3 carbon atoms, Y is a halogen atom such as chlorine, bromine, iodine, etc., and 1 to 1 carbon atoms. 3 is a lower alkoxy group, a cinnamate group or a hydrogen atom, q is 0, 1 or 2, and p + q is 3.) The adjustment of the adsorption solution is preferably performed in a dry atmosphere having a relative humidity of 35% or less. .

【００６５】使用する非水性有機溶媒としては、具体的
にはヘキサデカン、オクタンなどの鎖状脂肪族炭化水
素、ビシクロヘキシルなどの環状炭化水素、トルエン、
キシレン、ベンゼンなどの芳香族炭化水素、四塩化炭
素、クロロホルム、トリクレンなどの有機ハロゲン化
物、ジメチルシリコーン、ヘキサメチルジシロキサンな
どのシロキサンなどが挙げられる。これらの非水性有機
溶媒は、単独でも、二種以上混合して使用してもよい。Examples of the non-aqueous organic solvent used include chain aliphatic hydrocarbons such as hexadecane and octane; cyclic hydrocarbons such as bicyclohexyl;
Examples include aromatic hydrocarbons such as xylene and benzene, organic halides such as carbon tetrachloride, chloroform and trichlene, and siloxanes such as dimethyl silicone and hexamethyldisiloxane. These non-aqueous organic solvents may be used alone or in combination of two or more.

【００６６】次に、上記吸着溶液作製工程にて作製した
吸着溶液を、有機溶剤等で予めよく洗浄した基材に接触
させた後、溶媒を除去する（被膜形成工程、Ｓ２）と、
上記一般式（２）で表される化学吸着物質が基材表面に
化学吸着して固定される。より詳しくは、上記一般式
（２）で表される官能基を有する化学吸着物質に含まれ
る例えばクロロシリル基（ＳｉＣｌ基）などのＳｉＹ基
と上記基材表面に多数存在する活性水素を有する官能基
（この例では、水酸基）との間で縮合反応が起こり（シ
ロキサン結合）、例えば塩酸（ＨＣｌ）などのＨＹが脱
離する（下記化学反応式（３））。Next, the adsorption solution prepared in the above-mentioned adsorption solution preparation step is brought into contact with a base material which has been washed well with an organic solvent or the like, and then the solvent is removed (coating formation step, S2).
The chemisorbed substance represented by the general formula (2) is chemically adsorbed and fixed on the substrate surface. More specifically, a SiY group such as a chlorosilyl group (SiCl group) contained in a chemisorbent having a functional group represented by the general formula (2) and a functional group having a large number of active hydrogens present on the surface of the base material (In this example, a hydroxyl group), a condensation reaction occurs (siloxane bond), and HY such as hydrochloric acid (HCl) is eliminated (chemical reaction formula (3) below).

【００６７】[0067]

【化３】 この結果、下記一般式（４）で表される基が、上記基材
表面に吸着して分子を構成する。Embedded image As a result, the group represented by the following general formula (4) is adsorbed on the surface of the base material to form a molecule.

【００６８】[0068]

【化４】 この工程で得られる被膜の状態は、分子の一部が基材と
化学結合し、親油性基側が基材表面から外方に配向して
いる分子の集合群からなる単分子膜である。さらに、こ
の単分子膜の上に未吸着の化学吸着物質が単分子膜に付
着している。Embedded image The state of the film obtained in this step is a monomolecular film composed of a group of molecules in which some of the molecules are chemically bonded to the substrate and the lipophilic group side is oriented outward from the surface of the substrate. Further, unadsorbed chemisorbed substances adhere to the monomolecular film on the monomolecular film.

【００６９】なお、基材を有機溶剤等でよく洗浄するの
は、吸着溶液の基材表面に対する付着性能を向上させる
ためであり、その他公知の方法で、表面処理を行っても
よい。The reason why the base material is thoroughly washed with an organic solvent or the like is to improve the adhesion performance of the adsorption solution to the surface of the base material, and the surface treatment may be performed by other known methods.

【００７０】上記化学吸着物質を基材に接触させる方法
としては、特に限定されるものではなく、例えば、予め
作製しておいた吸着溶液に基材を浸漬させる方法や、該
吸着溶液を基材に塗布する方法等が挙げられる。The method of bringing the chemically adsorbed substance into contact with the substrate is not particularly limited. For example, a method in which the substrate is immersed in a previously prepared adsorption solution, a method in which the adsorption solution is And the like.

【００７１】被膜形成工程は、乾燥雰囲気下（相対湿度
３５％以下）で行うことが好ましい。湿度が高ければ、
基材に未吸着の化学吸着物質が空気中の水分子と反応し
て水酸化物となり、これが基材に吸着している分子と部
分的に反応することがあるからである。The film forming step is preferably performed in a dry atmosphere (relative humidity 35% or less). If the humidity is high,
This is because the chemically adsorbed substance not adsorbed on the base material reacts with water molecules in the air to form a hydroxide, which may partially react with the molecules adsorbed on the base material.

【００７２】また、上記基材表面に存在する活性水素を
有する官能基としては、水素を供与できる官能基であれ
ば、特に制限されず、上記水酸基の他に、カルボキシル
基、アミノ基、チオール基、スルフィン酸基、スルホン
酸基などが挙げられる。さらに、上記官能基の活性水素
が、それぞれアルカリ金属又はアルカリ土類金属で置換
された官能基であってもよい。基材表面に活性水素を有
する官能基が存在しないか、存在していても少ない場合
は、基材表面に活性水素を有する官能基を付与する処理
をすればよい。この処理は、例えばコロナ放電処理、Ｕ
Ｖ／オゾン処理、酸素プラズマ処理、過マンガン酸カリ
ウム溶液等の化合物酸化剤処理などの公知の方法で行
う。The functional group having active hydrogen present on the surface of the base material is not particularly limited as long as it is a functional group capable of donating hydrogen, and in addition to the above-mentioned hydroxyl group, a carboxyl group, an amino group, a thiol group and the like. , A sulfinic acid group and a sulfonic acid group. Further, the active hydrogen of the above functional group may be a functional group substituted with an alkali metal or an alkaline earth metal, respectively. In the case where a functional group having active hydrogen is not present on the surface of the base material or is present in a small amount, a treatment for providing a functional group having active hydrogen on the surface of the base material may be performed. This processing includes, for example, corona discharge processing, U
V / ozone treatment, oxygen plasma treatment, compound oxidizing agent treatment such as potassium permanganate solution or the like is performed by a known method.

【００７３】次に、非水系有機溶媒を用いて、前記基板
上に残った未反応の上記化学吸着物質を洗浄除去して
（洗浄工程、Ｓ３）、一様の膜厚を有する単分子膜状の
汚れ目立ち防止被膜を基材表面に形成する。尚、このと
き、洗浄工程を行わなければ、上記の単分子膜に付着し
ている化学吸着物質が除去されないので、ポリマー状
（非単分子膜状）の汚れ目立ち防止被膜を形成できる。Next, using a non-aqueous organic solvent, the unreacted chemically adsorbed substance remaining on the substrate is removed by washing (washing step, S3) to form a monomolecular film having a uniform film thickness. Is formed on the substrate surface. At this time, if the washing step is not performed, the chemically adsorbed substance adhering to the monomolecular film is not removed, so that a polymer-like (non-monomolecular film-like) stain prevention coating can be formed.

【００７４】洗浄に使用できる有機溶媒は、非水系であ
れば、上記の有機溶媒を含め、公知の有機溶媒を使用で
きる。非水系の有機溶媒を用いるのは、親水性基の存在
によって、基材に直接結合している上記分子同士や、こ
の分子と未反応の上記化学吸着物質とが反応して、架橋
構造を形成することを防止するためである。As the organic solvent which can be used for washing, known organic solvents including the above-mentioned organic solvents can be used as long as they are non-aqueous. The non-aqueous organic solvent is used because, due to the presence of the hydrophilic group, the molecules directly bonded to the base material or the molecules and the unreacted chemisorbent react to form a crosslinked structure. This is to prevent that.

【００７５】洗浄は、被膜が形成された基材を非水性有
機溶媒に浸漬する、洗浄剤に浸漬した状態で超音波処理
等の機械力を付与する、洗浄剤を加温するなどの公知の
方法で行えばよい。The washing may be performed by a known method such as immersing the substrate on which the film is formed in a non-aqueous organic solvent, applying mechanical force such as ultrasonic treatment while immersed in the detergent, or heating the detergent. It can be done by the method.

【００７６】この洗浄工程における洗浄条件としては、
特に制限されるものではなく、未反応の化学吸着物質の
被洗浄物に対する付着の程度、被洗浄物の大きさや形
状、材質、希望する被膜の厚さ等を勘案して、洗浄液の
温度、洗浄回数、洗浄時間、洗浄液の量等を適宜選択す
ればよい。The washing conditions in this washing step include:
There is no particular limitation. The number of times, the cleaning time, the amount of the cleaning liquid, and the like may be appropriately selected.

【００７７】図１に示す本発明の汚れ目立ち防止被膜の
製造工程終了後、本発明の被膜が形成された基材は、さ
らに水との反応工程に供してもよい。被膜を水と反応さ
せると、被膜を構成する分子中の例えばＳｉＣｌ基など
のＳｉＹ基と水との間で例えばＨＣｌなどのＨＹの脱離
反応を行い、この分子中にＯＨ基を導入できるからであ
る。After the production process of the anti-contamination prevention coating of the present invention shown in FIG. 1, the substrate on which the coating of the present invention is formed may be further subjected to a reaction process with water. When the film is reacted with water, a elimination reaction of HY such as HCl can be performed between SiY group such as SiCl group and water in molecules constituting the film and water, and OH group can be introduced into the molecule. It is.

【００７８】水との反応工程は、被膜が水と接する状況
に置くことにより行う。具体的には、被膜に水を塗布す
る、水中に浸漬するなどによって行う。なお、上記洗浄
工程終了後、洗浄液を乾燥した後、通常の湿度状態にあ
る大気中に放置することによっても、大気中の水と反応
して、膜を構成する分子中にＯＨ基を導入できる。すな
わち、分子は、下記一般式（５）で表される構造とな
る。The step of reacting with water is performed by placing the film in a state in which the film comes into contact with water. Specifically, it is performed by applying water to the film, dipping the film in water, or the like. After the washing step is completed, the washing liquid is dried and then allowed to stand in the air in a normal humidity state to react with water in the air and introduce OH groups into molecules constituting the film. . That is, the molecule has a structure represented by the following general formula (5).

【００７９】[0079]

【化５】 次に、上記被膜を構成する分子にＯＨ基が導入された被
膜を乾燥状態に置くと、被膜を構成する下記一般式
（５）で表される分子間で、ＯＨ基同士が脱水反応を起
こして、架橋構造が形成される。架橋構造が形成される
ことにより、被膜により強固な耐久性を付加することが
できる。なお、上記の単分子膜に付着している化学吸着
物質を洗浄除去していない場合は、被膜を構成する下記
一般式（４）で表される分子と単分子膜に付着している
化学吸着物質との間でもＯＨ基同士が脱水反応を起こし
て、三次元的に架橋したポリマー状（非単分子膜状）の
汚れ目立ち防止被膜が形成される。Embedded image Next, when the film in which the OH group is introduced into the molecules constituting the film is placed in a dry state, the OH groups cause a dehydration reaction between the molecules constituting the film represented by the following general formula (5). Thus, a crosslinked structure is formed. By forming the crosslinked structure, a stronger durability can be added to the coating. In the case where the chemical adsorbed substance adhering to the above-mentioned monomolecular film has not been removed by washing, the molecule constituting the coating and represented by the following general formula (4) and the chemical adsorbed substance adhering to the monomolecular film are used. The OH groups also cause a dehydration reaction between the OH groups and the substance, thereby forming a three-dimensionally crosslinked polymer (non-monomolecular film) stain prevention coating.

【００８０】本発明による汚れ目立ち防止被膜は、使用
により指紋等の汚れの目立ちが問題となる基材に応用で
きる。基材としては、具体的にはガラス、金属、セラミ
ックス、プラスチック、木材、石材などが挙げられる。The stain conspicuous coating according to the present invention can be applied to a substrate having a problem of conspicuous stains such as fingerprints when used. Specific examples of the substrate include glass, metal, ceramics, plastic, wood, and stone.

【００８１】本発明の汚れ目立ち防止被膜は、上記の基
材を用いた例えばディスプレイやタッチパネル、タッチ
パネル付きディスプレイの表面に設けることができる。
また、このディスプレイは、ＣＲＴ、ＬＣＤ、ＰＤＰ、
ＦＥＤ、またはＥＬＤであってもよい。さらに、このデ
ィスプレイやタッチパネルを用いて情報端末を製造する
と、指紋による汚れが目立たない自動現金引出し預け入
れ装置、現金自動支払機、自動販売機、ナビゲーション
装置、セキュリティーシステム端末、またはパーソナル
コンピュータ等が提供される。さらに、本発明の汚れ目
立ち防止被膜は、上記基材を用いた例えば包丁、鋸、ナ
イフ等の刃物類、コップ等の食器、水槽、鏡、家具、床
材等にも用いることができる。The anti-dirt coating of the present invention can be provided on the surface of, for example, a display, a touch panel, or a display with a touch panel using the above substrate.
This display is compatible with CRT, LCD, PDP,
It may be an FED or an ELD. Further, when an information terminal is manufactured by using the display or the touch panel, an automatic cash withdrawal / cash-in device, a cash dispenser, a vending machine, a navigation device, a security system terminal, a personal computer, or the like, in which dirt due to fingerprints is inconspicuous, is provided. You. Furthermore, the stain conspicuous prevention coating of the present invention can also be used for cutting tools such as kitchen knives, saws and knives, dishes such as cups, water tanks, mirrors, furniture, flooring materials and the like using the above-mentioned base material.

【００８２】[0082]

【実施例】以下に、図面を参照して、本発明の好適な実
施例を例示的に詳しく説明する。但し、この実施例に記
載されている構成要素の材質や製造条件等は、特に限定
的な記載がない限りは、本発明の範囲をそれらのみに限
定する趣旨のものではなく、単なる例示に過ぎない。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be illustratively described in detail below with reference to the drawings. However, the materials, manufacturing conditions, and the like of the components described in the examples are not intended to limit the scope of the present invention only to them, unless otherwise limited, but are merely examples. Absent.

【００８３】（実施例１）図２は、本発明の実施例１で
使用するＣＲＴ表示面を分子レベルまで拡大した概略断
面図、図３は、本発明の実施例１で使用するＣＲＴ表示
面に形成された単分子膜状の汚れ目立ち防止被膜を分子
レベルまで拡大した概略断面図である。(Embodiment 1) FIG. 2 is a schematic sectional view of a CRT display surface used in Embodiment 1 of the present invention enlarged to a molecular level, and FIG. 3 is a CRT display surface used in Embodiment 1 of the present invention. FIG. 2 is a schematic cross-sectional view in which the monomolecular film-like dirt prevention coating formed on the substrate is enlarged to a molecular level.

【００８４】まず、ｎ−ヘキサデカンに一般式（２）で
表される化学吸着物質として２−トリクロロシランエチ
ル ステアレートCH3（CH2）16COOCH2CH2SiCl3を約２重
量％となるように溶解させた。First, n-hexadecane is added with about 2% by weight of 2-trichlorosilaneethyl stearate CH 3 (CH 2 ) 16 COOCH 2 CH 2 SiCl 3 as a chemical adsorbent represented by the general formula (2). Was dissolved.

【００８５】次に、この化学吸着物質含有ｎ−ヘキサデ
カン８０重量％に、四塩化炭素１２重量％、クロロホル
ム８重量％を加え、吸着溶液Ａを調整した。Next, 12% by weight of carbon tetrachloride and 8% by weight of chloroform were added to 80% by weight of the chemically adsorbed substance-containing n-hexadecane to prepare an adsorption solution A.

【００８６】次に、表示面１を有機溶媒で洗浄したガラ
ス製のＣＲＴ（サイズ１４″）を用意し、これを乾燥雰
囲気中（相対湿度３５％以下）で前記吸着溶液Ａに２時
間程度浸漬し、溶媒を乾燥除去した。これにより、図２
に示すように、前記ＣＲＴ表示面１表面に多数存在する
水酸基２と、前記吸着溶液中に含まれるクロロシリル基
（ＳｉＣｌ基）とが、下記化学反応式（６）に示す脱塩
酸反応を起こし、シロキサン結合基を介してＣＨ3（Ｃ
Ｈ2）16ＣＯＯＣＨ2ＣＨ2−がＣＲＴ表示面１上に化学
吸着した。Next, a glass CRT (size 14 ″) whose display surface 1 was washed with an organic solvent was prepared, and immersed in the adsorption solution A for about 2 hours in a dry atmosphere (relative humidity 35% or less). Then, the solvent was removed by drying, whereby FIG.
As shown in the above, a large number of hydroxyl groups 2 present on the surface of the CRT display surface 1 and a chlorosilyl group (SiCl group) contained in the adsorption solution cause a dehydrochlorination reaction represented by the following chemical reaction formula (6). CH 3 (C
H 2 ) 16 COOCH 2 CH 2 — was chemically adsorbed on the CRT display surface 1.

【００８７】★★

【化６】 次に、非水系溶媒のクロロホルムを用いてＣＲＴ表示面
１を室温で１０分程度スプレー洗浄し、未反応の化学吸
着物質を除去した。更に、室温で１０分程度、流水を用
いて水洗を行って、ＣＲＴ表示面１に化学吸着した分子
における未反応のＣｌ基をＯＨ基に置換させた。Embedded image Next, the CRT display surface 1 was spray-washed at room temperature for about 10 minutes using chloroform as a non-aqueous solvent to remove unreacted chemically adsorbed substances. Further, water was washed with running water at room temperature for about 10 minutes to replace unreacted Cl groups in molecules chemically adsorbed on the CRT display surface 1 with OH groups.

【００８８】続いて、ＣＲＴ表示面１を乾燥させると、
隣接する分子のＯＨ基同士の脱水反応を起こしてＣＲＴ
表示面１全面に架橋構造が形成される。Subsequently, when the CRT display surface 1 is dried,
Dehydration reaction between OH groups of adjacent molecules causes CRT
A crosslinked structure is formed on the entire display surface 1.

【００８９】これにより、図３に示すように、ＣＲＴ表
示面１と化学結合した状態の脂肪酸エステル基を含む単
分子膜３が約２ｎｍの膜厚で形成できた。As a result, as shown in FIG. 3, a monomolecular film 3 containing a fatty acid ester group chemically bonded to the CRT display surface 1 was formed with a thickness of about 2 nm.

【００９０】（実施例２）図４は、本発明の実施例２で
使用するＣＲＴ表示面に形成されたポリマー状の汚れ目
立ち防止被膜を分子レベルまで拡大した概略断面図であ
る。Embodiment 2 FIG. 4 is a schematic cross-sectional view in which a polymer-like stain prevention coating formed on a CRT display surface used in Embodiment 2 of the present invention is enlarged to a molecular level.

【００９１】前記実施例１では、未反応化学吸着物質を
洗浄除去したが、本実施例２では、未反応化学吸着物質
を洗浄除去せずに、そのまま用いた。洗浄以外は、実施
例１と同様にした。ＣＲＴ表示面１にシロキサン結合基
を介して結合し、膜厚が１００〜３００ｎｍのポリマー
状の被膜５を形成した。In Example 1, the unreacted chemically adsorbed substance was removed by washing, but in Example 2, the unreacted chemically adsorbed substance was used without being removed by washing. Except for washing, the procedure was the same as in Example 1. The polymer film 5 was bonded to the CRT display surface 1 via a siloxane bonding group to have a thickness of 100 to 300 nm.

【００９２】尚、ここで、前記ＣＲＴの表示色調や光沢
を損なわなくするには、ポリマー状の被膜の厚みは３５
０ｎｍ以下に設定する方が望ましい。Here, in order not to impair the display color tone and gloss of the CRT, the thickness of the polymer film should be 35.
It is more desirable to set it to 0 nm or less.

【００９３】（比較例１）本比較例１においては、単分
子膜３およびポリマー状の被膜５が形成されていないＣ
ＲＴを用いた。(Comparative Example 1) In Comparative Example 1, the monomolecular film 3 and the polymer coating 5 were not formed.
RT was used.

【００９４】実施例１、２および比較例１のＣＲＴの表
示面のそれぞれに、指紋を付けて汚れの目立ち易さを比
較した。A fingerprint was attached to each of the display surfaces of the CRTs of Examples 1 and 2 and Comparative Example 1 to compare the conspicuousness of dirt.

【００９５】（結果）図５は、本発明の汚れ目立ち防止
被膜の効果を説明するために示したＣＲＴ表面近傍の指
紋汚れの経時変化を概念的に示した概略断面図であり、
（ａ）は、指を押しつけた当初の概略断面図であり、
（ｂ）は、（ａ）の状態から日数が経過した後の概略断
面図である。(Results) FIG. 5 is a schematic cross-sectional view conceptually showing the change with time of fingerprint stains near the CRT surface for explaining the effect of the stain conspicuous coating of the present invention.
(A) is a schematic cross-sectional view at the beginning when a finger is pressed,
(B) is a schematic sectional view after a lapse of days from the state of (a).

【００９６】図５（ａ）に示すように、指を押しつけた
当初は、実施例１のＣＲＴ表示面１においては指紋４が
見えていたが、図５（ｂ）に示すように、日数が経過す
るにつれて、指紋に含まれる脂質分がＣＲＴ１表面の前
記被膜に濡れて薄く広がり４’、当初目立っていた指紋
は目立たなくなった。尚、単分子膜３の表面エネルギー
は約３５ｍＮ／ｍであった。As shown in FIG. 5A, when the finger was pressed down, the fingerprint 4 was visible on the CRT display surface 1 of the first embodiment, but as shown in FIG. As time passed, the lipid content contained in the fingerprint wetted the coating on the surface of the CRT 1 and spread thinly 4 ′, and the fingerprint that was initially conspicuous became inconspicuous. The surface energy of the monomolecular film 3 was about 35 mN / m.

【００９７】また、実施例２のポリマー状の被膜５は、
指紋を押しつけた当初の目立ち易さは、実施例１の単分
子膜３のものに比べて少なかった。また、指紋が見えに
くくなる日数も、単分子膜の場合に比べ少ないものであ
った。Further, the polymer film 5 of Example 2
The conspicuousness at the initial stage of pressing the fingerprint was smaller than that of the monomolecular film 3 of Example 1. In addition, the number of days when the fingerprint was difficult to see was smaller than in the case of the monomolecular film.

【００９８】それに対して、比較例１のもの（未処理の
もの）は、日数が経過しても、指紋に含まれる油脂分が
濡れず、汚れが目立ったままであった。On the other hand, in the case of Comparative Example 1 (untreated), even after the lapse of days, the oils and fats contained in the fingerprint were not wet, and the stain remained conspicuous.

【００９９】以上のことより、実施例１の単分子膜３お
よび実施例２のポリマー状の被膜５のそれぞれには汚れ
目立ち防止機能があることが確かめられた。From the above, it was confirmed that each of the monomolecular film 3 of Example 1 and the polymer film 5 of Example 2 had a function to prevent conspicuous stain.

【０１００】また、指紋が目立たなく日数は、冬季より
も夏季、また、ＣＲＴを止めているときよりも使用して
いるときの方が短かく、前記汚れ目立ち防止機能は、温
度と相関性がある。The number of days in which fingerprints are inconspicuous is shorter in summer than in winter and when the CRT is used than when the CRT is stopped, and the stain conspicuous prevention function has a correlation with temperature. is there.

【０１０１】また、前記実施例１では、脂肪酸エステル
基として、ステアリル基を有する物質を用いたが、オレ
フィニル基、リノーリル基、リノレニル基またはパルミ
チニル基を有する化学吸着物質を用いてもほぼ同様の効
果が確かめられた。In Example 1, a substance having a stearyl group was used as the fatty acid ester group. However, the same effect can be obtained by using a chemisorbed substance having an olefinyl group, a linoleyl group, a linolenyl group, or a palmitinyl group. Was confirmed.

【０１０２】更に、タッチパネル、あるいはタッチパネ
ル付きディスプレイとして、ＣＲＴ、ＬＣＤ、ＰＤＰ、
ＦＥＤ、またはＥＬＤ等を用いても、最表面がガラスで
あれば、同様の結果が得られた。Further, as a touch panel or a display with a touch panel, CRT, LCD, PDP,
Similar results were obtained using FED, ELD, and the like, provided that the outermost surface was glass.

【００１０３】更にまた、上記被膜を形成したディスプ
レイやタッチパネルを用いて自動現金引出し預け入れ装
置を製作し、実用実験を行うと、入出力部の汚れ目立ち
を大幅に少なくできた。[0010] Furthermore, when an automatic cash withdrawal depositing device was manufactured using a display or a touch panel on which the above-mentioned coating was formed, and a practical experiment was carried out, the conspicuousness of the input / output section could be significantly reduced.

【０１０４】尚、以上の効果は、現金自動支払機、自動
販売機、ナビゲーション装置、セキュリティーシステム
端末、またはパーソナルコンピュータ等の情報端末でも
確かめられた。The above effects were also confirmed on information terminals such as cash dispensers, vending machines, navigation devices, security system terminals, and personal computers.

【０１０５】（実施例３）まず、ジメチルシリコーンに
一般式（２）で表される化学吸着物質として２−トリク
ロロシランエチル リノーリレートCH3(CH2) 4CH=CHCH2
CH=CH(CH2) 7COOCH2 CH2SiCl3を約１重量％となるよう
に溶解させ、吸着溶液Ｂを調整した。(Example 3) First, 2-trichlorosilaneethyl linoleate CH 3 (CH 2 ) 4 CH = CHCH 2 was used as a chemical adsorbent represented by the general formula (2) in dimethyl silicone.
CH = CH (CH 2 ) 7 COOCH 2 CH 2 SiCl 3 was dissolved to about 1% by weight to prepare an adsorption solution B.

【０１０６】次に、表示面が樹脂製の偏光板で被われた
液晶表示装置（ＬＣＤ）を良く洗浄し、前記ＬＣＤ表面
を２００Ｗで３０秒程度コロナ処理（エキシマＵＶ処理
の場合は、空気中で、１５００ｍＪ／ｃｍ2程度の照
射）して、樹脂表面を親水性にした。Next, the liquid crystal display (LCD) whose display surface is covered with a polarizing plate made of resin is thoroughly washed, and the surface of the LCD is subjected to corona treatment at 200 W for about 30 seconds (in the case of excimer UV treatment, it is exposed to air. Irradiation of about 1500 mJ / cm 2 ) to make the resin surface hydrophilic.

【０１０７】次に、乾燥雰囲気中（相対湿度１８％）で
前記ＬＣＤ表示面に吸着溶液Ｂを厚み数十μｍで塗布し
た後、溶媒を除去した。これにより、前記ＬＣＤ表示面
表面に多数存在する水酸基と、前記吸着溶液中に含まれ
るクロロシリル基（ＳｉＣｌ基）とが、下記化学反応式
に示す脱塩酸反応を起こし、シロキサン結合基を介して
ＣＨ3（ＣＨ2）4ＣＨ＝ＣＨＣＨ2ＣＨ＝ＣＨ（ＣＨ2）7
ＣＯＯＣＨ2ＣＨ2−がＬＣＤ表示面上に化学吸着した。
その後、この乾燥雰囲気中で自然反応させた。Next, the adsorbing solution B was applied to the LCD display surface with a thickness of several tens of μm in a dry atmosphere (18% relative humidity), and then the solvent was removed. As a result, a large number of hydroxyl groups present on the LCD display surface and the chlorosilyl group (SiCl group) contained in the adsorption solution cause a dehydrochlorination reaction represented by the following chemical reaction formula, and CH through the siloxane bonding group. 3 (CH 2 ) 4 CH = CHCH 2 CH = CH (CH 2 ) 7
COOCH 2 CH 2 — was chemisorbed on the LCD display surface.
Thereafter, a natural reaction was performed in this dry atmosphere.

【０１０８】次に、非水系溶媒のｎ−へキサンを用いて
ＬＣＤ表示面を室温で１０分程度ディッピング洗浄し、
未反応の化学吸着物質を除去した。Next, the LCD display surface was dipped and washed at room temperature for about 10 minutes using n-hexane as a non-aqueous solvent.
Unreacted chemisorbed material was removed.

【０１０９】続いて、このＬＣＤを、大気中に取り出し
被膜中の未反応のＳｉＣｌ基を大気中に置くと、大気中
の水分と反応し、ＬＣＤ表示面に化学吸着した分子にお
ける未反応のＣｌ基がＯＨ基に置換され、さらに脱水し
て分子同士が架橋し、且つＬＣＤ表面にシロキサン結合
を介して結合した膜厚が約２ｎｍの単分子膜状の被膜を
形成した。Subsequently, when this LCD is taken out to the atmosphere and the unreacted SiCl groups in the coating film are placed in the atmosphere, it reacts with the moisture in the atmosphere and unreacted Cl in the molecules chemically adsorbed on the LCD display surface. The group was replaced with an OH group, and further dehydration was performed to crosslink the molecules, and a monomolecular film-like film having a thickness of about 2 nm was formed on the LCD surface through a siloxane bond.

【０１１０】（実施例４）前記実施例３では、未反応化
学吸着物質を洗浄除去したが、本実施例４では、未反応
化学吸着物質を洗浄除去せずに、そのまま用いた。洗浄
以外は、実施例３と同様にした。ＬＣＤ表示面にシロキ
サン結合基を介して結合し、膜厚が約２００ｎｍのポリ
マー状の被膜を形成した。(Example 4) In Example 3, the unreacted chemically adsorbed substance was washed and removed. In Example 4, the unreacted chemically adsorbed substance was used without being washed and removed. Except for washing, the procedure was the same as in Example 3. The polymer was bonded to the LCD display surface via a siloxane bonding group to form a polymer film having a thickness of about 200 nm.

【０１１１】（比較例２）本比較例２においては、単分
子膜およびポリマー膜が形成されていないＬＣＤを用い
た。Comparative Example 2 In Comparative Example 2, an LCD having neither a monomolecular film nor a polymer film was used.

【０１１２】実施例３、実施例４および比較例２のＬＣ
Ｄの表示面のそれぞれに、指紋を付けて汚れの目立ちを
比較した。LC of Examples 3, 4 and Comparative Example 2
A fingerprint was attached to each of the display surfaces of D, and the conspicuousness of dirt was compared.

【０１１３】（結果）指を押しつけた当初は、実施例３
および実施例４の被膜においては指紋が見えていたが、
日数が経過するにつれ、指紋に含まれる油脂分がＬＣＤ
表面の前記被膜に濡れて薄く広がり、当初目立っていた
指紋は目立たなくなった。(Result) In the beginning of pressing the finger, the third embodiment
And fingerprints were visible in the coating of Example 4,
As the number of days elapses, the grease contained in the fingerprint becomes
The fingerprint, which was initially conspicuous, became inconspicuous when wet and spread thinly on the surface coating.

【０１１４】それに対して、比較例２のもの（未処理の
もの）は、日数が経過しても、指紋に含まれる油脂分が
濡れず、汚れが目立った。On the other hand, in the case of Comparative Example 2 (untreated), the oils and fats contained in the fingerprint were not wet even after the lapse of days, and the stain was conspicuous.

【０１１５】以上のことより、実施例３の単分子膜およ
び実施例４のポリマー状の被膜のそれぞれには汚れ目立
ち防止機能があることが確かめられた。From the above, it was confirmed that each of the monomolecular film of Example 3 and the polymer film of Example 4 had a function to prevent conspicuous stain.

【０１１６】また、指紋が目立たなく日数は、冬季より
も夏季、また、ＬＣＤを止めている時よりも動作させて
いるときの方が短かく、前記汚れ目立ち防止機能は、温
度と相関性がある。The number of days in which fingerprints are inconspicuous is shorter in summer than in winter and when the LCD is turned on compared to when the LCD is turned off. is there.

【０１１７】尚、実施例３および実施例４に用いた汚れ
目立ち防止被膜について、賽の目剥離試験を行った。そ
の結果、実施例３の単分子膜および実施例４のポリマー
状の被膜とも、剥離するものは全くなかった。これは、
本実施例の汚れ目立ち防止被膜は、官能基としてシロキ
サン結合基を有しており、脂肪酸エステル基がこのシロ
キサン結合基を介して基材と強固に化学結合をしている
ためであり、よって、耐久性に優れている。The dirt-conspicuous prevention coatings used in Examples 3 and 4 were subjected to a dice peeling test. As a result, neither the monomolecular film of Example 3 nor the polymer film of Example 4 peeled off. this is,
This is because the stain conspicuous prevention coating of this example has a siloxane bonding group as a functional group, and the fatty acid ester group has a strong chemical bond with the substrate via the siloxane bonding group. Has excellent durability.

【０１１８】[0118]

【発明の効果】本発明は、以上のように説明した形態で
実施され、以下に述べるような効果を奏する。The present invention is embodied in the form described above and has the following effects.

【０１１９】即ち、基材の表面に本発明に係る汚れ目立
ち防止被膜を形成することにより、指紋が前記汚れ目立
ち防止被膜の表面に付着したとしても、その指紋が汚れ
目立ち防止被膜上を濡れて広がるので、基材の汚れの目
立ちをより効果的に防止することができる。そして、特
に、ディスプレイ、タッチパネル、それらを用いた情報
端末の表示面に前記汚れ目立ち防止被膜を形成すると、
綺麗な表示面とすることができる。That is, even if a fingerprint adheres to the surface of the dirt-conspicuous prevention coating by forming the dirt-conspicuous prevention coating according to the present invention on the surface of the substrate, the fingerprint does not wet the dirt-conspicuous prevention coating. Since the substrate spreads, it is possible to more effectively prevent the substrate from being contaminated. And in particular, when the display, the touch panel, and the display surface of the information terminal using them, the stain prevention coating is formed,
A beautiful display surface can be obtained.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の汚れ目立ち防止被膜の製造工程を示す
フローチャートである。FIG. 1 is a flowchart showing a manufacturing process of a stain conspicuous prevention coating of the present invention.

【図２】本発明の実施例１で使用するＣＲＴ表示面を分
子レベルまで拡大した概略断面図である。FIG. 2 is a schematic cross-sectional view in which a CRT display surface used in Embodiment 1 of the present invention is enlarged to a molecular level.

【図３】本発明の実施例１で使用するＣＲＴ表示面に形
成された単分子膜状の汚れ目立ち防止被膜を分子レベル
まで拡大した概略断面図である。FIG. 3 is a schematic cross-sectional view of a monomolecular film-like stain prevention coating formed on a CRT display surface used in Example 1 of the present invention, which is enlarged to a molecular level.

【図４】本発明の実施例２で使用するＣＲＴ表示面に形
成されたポリマー状の汚れ目立ち防止被膜を分子レベル
まで拡大した概略断面図である。FIG. 4 is a schematic cross-sectional view in which a polymer-like stain prevention coating formed on a CRT display surface used in Example 2 of the present invention is enlarged to a molecular level.

【図５】図５は、本発明の汚れ目立ち防止被膜の効果を
説明するために示したＣＲＴ表面近傍の指紋汚れの経時
変化を概念的に示した概略断面図であり、（ａ）は、指
を押しつけた当初の概略断面図であり、（ｂ）は、
（ａ）の状態から日数が経過した後の概略断面図であ
る。FIG. 5 is a schematic cross-sectional view conceptually showing a change with time of fingerprint stain near the CRT surface, which is shown for explaining the effect of the stain conspicuous prevention coating of the present invention. It is an outline sectional view at the time of pressing a finger, (b)
It is an outline sectional view after a lapse of days from a state of (a).

【符号の説明】[Explanation of symbols]

１ ＣＲＴ表示面 ２ 活性水素を含む水酸基 ３ 単分子膜状の汚れ目立ち防止被膜 ４ 指紋 ４’指紋４の経時変化に伴い濡れて広がった指紋 ５ ポリマー膜状の汚れ目立ち防止被膜 DESCRIPTION OF SYMBOLS 1 CRT display surface 2 Hydroxy group containing active hydrogen 3 Monolayer-like dirt prevention coating 4 Fingerprint 4 'Fingerprint 4 which became wet and spread with time change 5 Polymer film-type dirt prevention coating

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｇ０６Ｆ 3/033 ３６０ Ｇ０６Ｆ 3/033 ３６０Ａ Ｇ０９Ｆ 9/00 ３０２ Ｇ０９Ｆ 9/00 ３０２ ３６６ ３６６Ａ Ｈ０１Ｈ 13/70 Ｈ０１Ｈ 13/70 Ｅ Ｆターム(参考） 4D075 CA34 CA36 DA06 DB13 DC24 4F100 AG00 AH02A AR00A AT00B BA02 BA41 EH46 EH461 EJ05 EJ052 EJ85 EJ852 EJ86 EJ861 EJ862 GB41 JB06A JL06 JM02A YY00A 5B087 AA09 AC15 CC14 5G006 CB05 LG01 5G435 AA00 BB01 BB02 BB05 BB06 BB12 DD01 HH02 KK07 LL07 LL08 LL12 LL17 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) G06F 3/033 360 G06F 3/033 360A G09F 9/00 302 G09F 9/00 302 366 366A H01H 13/70 H01H 13/70 EF term (reference) 4D075 CA34 CA36 DA06 DB13 DC24 4F100 AG00 AH02A AR00A AT00B BA02 BA41 EH46 EH461 EJ05 EJ052 EJ85 EJ852 EJ86 EJ861 EJ862 GB41 JB06A JL06 JM02A YY09A5B01A5B01A5B01A5B01A5B01A DD01 HH02 KK07 LL07 LL08 LL12 LL17

Claims (22)

【特許請求の範囲】[Claims] 【請求項１】 被膜が親油性であることを特徴とする汚
れ目立ち防止被膜。1. A stain-inhibiting coating, wherein the coating is lipophilic. 【請求項２】 上記親油性が生体由来脂質成分に対する
親油性であることを特徴とする請求項１記載の汚れ目立
ち防止被膜。2. The anti-dirt coating according to claim 1, wherein the lipophilicity is lipophilic to a lipid component derived from a living body. 【請求項３】 上記汚れ目立ち防止被膜の表面エネルギ
ーが３０ｍＮ／ｍ以上、７０ｍＮ／ｍ以下であることを
特徴とする請求項１または請求項２に記載の汚れ目立ち
防止被膜。3. The stain-conspicuous prevention coating according to claim 1, wherein the surface energy of the stain-conspicuous prevention coating is 30 mN / m or more and 70 mN / m or less. 【請求項４】 上記汚れ目立ち防止が、付着した脂質成
分を被膜の親油性により被膜上で拡散させて、付着した
脂質成分に起因する汚れが目立たないあるいは汚れを目
立ちにくくするものである請求項１〜請求項３のいずれ
かに記載の汚れ目立ち防止被膜。4. The method for preventing contaminants from contaminating, wherein the adhered lipid component is diffused on the film due to the lipophilicity of the film, so that the contaminants caused by the adhering lipid component are not conspicuous or the contaminants are less noticeable. The stain conspicuous prevention coating according to any one of claims 1 to 3. 【請求項５】 少なくとも親油性基を有し、かつ親油性
基が基材の外方に配向し、分子の一部が基材に化学結合
した分子の集合群からなる請求項１〜請求項４のいずれ
かに記載の汚れ目立ち防止被膜。5. The method according to claim 1, wherein the lipophilic group has at least a lipophilic group, and the lipophilic group is oriented outward of the substrate, and a part of the molecules is a group of molecules chemically bonded to the substrate. 4. The stain conspicuous prevention coating according to any one of 4. 【請求項６】上記親油性基が、少なくとも脂肪酸エステ
ル基であることを特徴とする請求項５記載の汚れ目立ち
防止被膜。6. The stain prevention coating according to claim 5, wherein the lipophilic group is at least a fatty acid ester group. 【請求項７】 上記脂肪酸エステル基が、ステアリル
基、オレフィニル基、リノーリル基、リノレニル基、ま
たはパルミチニル基を有することを特徴とする請求項６
記載の汚れ目立ち防止被膜。7. The method according to claim 6, wherein the fatty acid ester group has a stearyl group, an olefinyl group, a linoleyl group, a linolenyl group, or a palmitinyl group.
The dirt conspicuous prevention coating described. 【請求項８】 上記化学結合が、シロキサン結合である
ことを特徴とする請求項５〜請求項７のいずれかに記載
の汚れ目立ち防止被膜。8. The stain conspicuous prevention coating according to claim 5, wherein the chemical bond is a siloxane bond. 【請求項９】 被膜を構成する物質に、さらに親油性物
質が分散添加されていることを特徴とする請求項１〜請
求項４のいずれかに記載の汚れ目立ち防止被膜。9. The anti-dirt coating according to claim 1, wherein a lipophilic substance is further dispersed and added to the substance constituting the coating. 【請求項１０】 官能基として親水性基と親油性基とを
有する化学吸着物質を含む吸着溶液を基材表面に接触さ
せる工程と、溶媒を除去し、化学吸着物質の親水性基を
基材表面に化学結合させ、親油性基側が基材表面から外
方に向ける被膜形成工程とを、含むことを特徴とする汚
れ目立ち防止被膜の製造方法。10. A step of bringing an adsorption solution containing a chemically adsorbed substance having a hydrophilic group and a lipophilic group as a functional group into contact with the surface of the substrate, removing the solvent, and removing the hydrophilic group of the chemically adsorbed substance from the substrate. A process for chemically bonding to the surface and forming a film in which the lipophilic base side faces outward from the substrate surface. 【請求項１１】 上記被膜形成工程が、基材表面上の活
性水素を有する官能基と上記化学吸着物質の親水性基と
を化学反応させる工程であることを特徴とする請求項１
０記載の汚れ目立ち防止被膜の製造方法。11. The method according to claim 1, wherein the film forming step is a step of chemically reacting a functional group having active hydrogen on the surface of the substrate with a hydrophilic group of the chemisorbed substance.
0. The method for producing a stain conspicuous prevention coating according to item 0. 【請求項１２】 上記化学吸着物質の親油性基が少なく
とも脂肪酸エステル基であることを特徴とする請求項１
０または請求項１１記載の汚れ目立ち防止被膜の製造方
法。12. The lipophilic group of the chemisorbed substance is at least a fatty acid ester group.
The method for producing a stain conspicuous prevention coating according to claim 0 or 11. 【請求項１３】 上記化学吸着物質の親水性基がクロロ
シリル基であり、上記化学反応が、このクロロシリル基
と上記活性水素との間で脱塩酸反応させてシロキサン結
合を形成するものであることを特徴とする請求項１１ま
たは請求項１２記載の汚れ目立ち防止被膜の製造方法。13. The method according to claim 13, wherein the hydrophilic group of the chemisorbed substance is a chlorosilyl group, and the chemical reaction is a dehydrochlorination reaction between the chlorosilyl group and the active hydrogen to form a siloxane bond. The method for producing a stain conspicuous prevention coating according to claim 11 or 12, wherein: 【請求項１４】 上記被膜形成工程終了後、非水系の有
機溶媒を用いて未反応の化学吸着物質を洗浄除去する洗
浄工程を含むことを特徴とする請求項１０〜請求項１３
のいずれかに記載の汚れ目立ち防止被膜の製造方法。14. The method according to claim 10, further comprising a washing step of washing and removing unreacted chemisorbed substances using a non-aqueous organic solvent after the completion of the film forming step.
The method for producing a stain conspicuous prevention coating according to any one of the above. 【請求項１５】 最表示面に、請求項１〜請求項９のい
ずれかに記載の汚れ目立ち防止被膜が形成されているこ
とを特徴とするディスプレイ。15. A display, characterized in that the stain prevention coating according to claim 1 is formed on the most display surface. 【請求項１６】 ディスプレイの表示面にタッチパネル
が設置されており、該タッチパネル表面に、請求項１〜
請求項９のいずれかに記載の汚れ目立ち防止被膜が形成
されていることを特徴とするディスプレイ。16. A touch panel is provided on a display surface of a display, and the touch panel surface is provided with a touch panel.
A display, wherein the stain conspicuous prevention coating according to claim 9 is formed. 【請求項１７】 上記ディスプレイがＣＲＴ、ＬＣＤ、
ＰＤＰ、ＦＥＤ、またはＥＬＤであることを特徴とする
請求項１５または請求項１６に記載のディスプレイ。17. The display according to claim 17, wherein the display is a CRT, an LCD,
17. The display according to claim 15, wherein the display is PDP, FED, or ELD. 【請求項１８】 表示面に、請求項１〜請求項９のいず
れかに記載の汚れ目立ち防止被膜が形成されていること
を特徴とするタッチパネル。18. A touch panel comprising a display surface on which the stain prevention coating according to claim 1 is formed. 【請求項１９】 入出力部にタッチパネル付きディスプ
レイが設置されており、このタッチパネル表面に、請求
項１〜請求項９のいずれかに記載の汚れ目立ち防止被膜
が形成されていることを特徴とする情報端末。19. A display with a touch panel is provided on the input / output unit, and the stain prevention coating according to claim 1 is formed on the surface of the touch panel. Information terminal. 【請求項２０】 上記ディスプレイがＣＲＴ、ＬＣＤ、
ＰＤＰ、ＦＥＤ、またはＥＬＤであることを特徴とする
請求項１９記載の情報端末。20. The display according to claim 19, wherein the display is a CRT, an LCD,
20. The information terminal according to claim 19, wherein the information terminal is PDP, FED, or ELD. 【請求項２１】 入力部にタッチパネルが設置されてお
り、このタッチパネル表面に、請求項１〜請求項９のい
ずれかに記載の汚れ目立ち防止被膜が形成されているこ
とを特徴とする情報端末。21. An information terminal, wherein a touch panel is provided on an input unit, and the stain prevention coating according to claim 1 is formed on a surface of the touch panel. 【請求項２２】 上記情報端末が、自動現金引出し預け
入れ装置、現金自動支払機、自動販売機、ナビゲーショ
ン装置、セキュリティーシステム端末、またはパーソナ
ルコンピュータであることを特徴とする請求項１９〜請
求項２１のいずれかに記載の情報端末。22. The information terminal according to claim 19, wherein the information terminal is an automatic cash withdrawal depositing device, a cash dispenser, a vending machine, a navigation device, a security system terminal, or a personal computer. An information terminal according to any of the above.
JP2000176268A 2000-06-13 2000-06-13 Coating film for preventing soil from becoming conspicuous, manufacturing method therefor, display and touch panel using the coating film, and information therminal using display and touch panel Pending JP2001353808A (en)

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