WO2012165107A1 - Substrat résistant aux taches de type empreintes digitales - Google Patents

Substrat résistant aux taches de type empreintes digitales Download PDF

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Publication number
WO2012165107A1
WO2012165107A1 PCT/JP2012/061705 JP2012061705W WO2012165107A1 WO 2012165107 A1 WO2012165107 A1 WO 2012165107A1 JP 2012061705 W JP2012061705 W JP 2012061705W WO 2012165107 A1 WO2012165107 A1 WO 2012165107A1
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WO
WIPO (PCT)
Prior art keywords
fingerprint
hole
substrate
base material
smooth surface
Prior art date
Application number
PCT/JP2012/061705
Other languages
English (en)
Japanese (ja)
Inventor
敬介 村田
幸宏 扇谷
濱口　滋生
百理子 黒澤
Original Assignee
セントラル硝子株式会社
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 セントラル硝子株式会社 filed Critical セントラル硝子株式会社
Publication of WO2012165107A1 publication Critical patent/WO2012165107A1/fr

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    • 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
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/30—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
    • 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
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C03C2217/77—Coatings having a rough surface

Definitions

  • the present invention provides a substrate having a concave hole that collects fingerprint components on the surface, whereby the above-mentioned problems are solved.
  • the optical microscope photograph showing a mode that the pseudo fingerprint was made to adhere to the base material (float glass which performed the water- and oil-repellent treatment) obtained by the comparative example 1 of this invention.
  • the film examples include a sol-gel film, a glass thin plate, or a polymer film, and specific materials include inorganic compounds such as silica, titania, alumina, zirconia, indium-containing tin oxide, antimony-containing tin oxide, aluminum, Metals such as tin, zinc, silver, gold, copper, platinum, nickel, cobalt, chromium, polyester, polyamide, polyimide, polyacrylate, polyolefin, polycarbonate, polystyrene, polyurethane, polyvinyl alcohol, polyvinyl butyral, polyvinyl chloride, polyvinyl chloride Examples thereof include organic compounds such as vinylidene, silicone, cellulose resin, and fluorine resin, or organic-inorganic hybrid materials, and combinations thereof.
  • the material of the substrate having a film is not particularly limited, and examples thereof include glass and plastic.
  • fingerprint contamination resistance can be obtained by having a concave hole on the smooth surface of the substrate.
  • capillary force acts on the hole, and the fingerprint component is trapped in the hole.
  • FIG. 4 shows the fingerprint component 6 trapped in a part or all of the hole 3. Since the fingerprint component trapped in this way is present in the hole as a collective droplet, it is visually observed. Less noticeable.
  • the average depth of the holes (here, “depth” is the difference between the height of the reference surface and the height of the bottom of the hole, and is the length indicated by d in FIGS. 2 and 3).
  • depth is usually from 0.2 to 50 ⁇ m. If it is smaller than 0.2 ⁇ m, it will approach a flat state, and fingerprint stain resistance will not be obtained substantially. On the other hand, if it is larger than 50 ⁇ m, the cloth fibers often do not reach the bottom surface of the pattern when wiping with a cloth with a small force, resulting in poor wiping performance. More preferably, it is 0.5 to 20 ⁇ m.
  • the distance between the hole at the fingerprint-resistant stain-resistant portion and the hole adjacent to the hole may be optimized depending on the use of the base material and the shape of the hole, but is usually about 1 to 300 ⁇ m.
  • the thickness is preferably 10 to 100 ⁇ m. If it is narrower than 1 ⁇ m, the fibers of the cloth will be caught on the wall surface of the hole when wiping the cloth.
  • the fingerprint component may remain as fine droplets, and the attached fingerprint component may be easily visible.
  • the arrangement pattern of the holes on the substrate surface is preferably regular.
  • it is a regular pattern, for example, when it is used as a cover glass of a display, the visibility becomes high.
  • moire occurs, which is not preferable. In that case, it is necessary to adjust the frequency of the pattern, that is, the distance between the patterns, or adjust the pattern so that it approaches an irregular arrangement. There is.
  • the method for processing the shape of the hole on the surface of the base material is not particularly limited. In consideration of the characteristics of the base material to be obtained (optical characteristics, roughness of the processed surface, strength, etc.) Of these, a desired method may be selected. For example, a method of forming the hole on the smooth surface of the substrate by performing a masking process corresponding to the shape of the hole with a photoresist or the like and then performing surface grinding or etching such as a sand blast method. In addition, for example, a mold press molding method, a screen printing method, an ink jet printing method, an imprint method, and the like can be given.
  • the square root of the projected area is calculated to be 44 ⁇ m.), The average depth is 5 ⁇ m, the hole area ratio to the observation region (100%) is 20%, and the distance between the hole and the hole adjacent to the hole is 50 ⁇ m. A substrate was obtained.
  • This observation region indicates, for example, the area of the entire photomicrograph in FIG.
  • the anti-fingerprint anti-fouling property for the base material after pseudo-fingerprint adhesion, the base material after pseudo-fingerprint wiping, and the base material after pseudo-fingerprint reattachment are as follows. evaluated. 1. Visual evaluation (after adhesion: ⁇ not noticeable, ⁇ difficult to judge, ⁇ equivalent to unprocessed substrate; after wiping: ⁇ no fingerprint trace left, ⁇ fingerprint trace left, ⁇ fingerprint trace spread; after reattachment: ⁇ Inconspicuous, ⁇ difficult to judge, ⁇ equivalent to unprocessed substrate) 2.
  • Tables 2 and 3 show the evaluation results of the base material of Example 1. Float glass with an area ratio of 20%, a hole with dimensions of 44 ⁇ m and depth of 5 ⁇ m, the fingerprint trace after attaching the pseudo fingerprint is not noticeable visually, and the fingerprint trace after wiping is not visually confirmed It was. Furthermore, the fingerprint trace after the pseudo fingerprint was reattached to the wiped portion was not visually noticeable. Further, the change in initial haze was 4%, and the change in reattachment haze was 5%.
  • the above-mentioned hole is high in fingerprint contamination resistance as compared with a base material in which the above-described hole is not processed and the float glass is only given water and oil repellency. It has been found that having an anti-finger is very effective in improving the resistance to fingerprint contamination.
  • Examples 2 to 23 After obtaining a substrate having holes shown in Table 1 in the same manner as in Example 1, perfluoropolyalkylene ether-modified silane (Dow Corning 2634: manufactured by Toray Dow Corning, Inc., or KY-130) shown in Table 1 was further obtained. : Shin-Etsu Chemical Co., Ltd.) 1 part by weight and fluorinated inert liquid (FC-3283: Sumitomo 3M Co., Ltd.) 500 parts by weight is mixed with the dip coating on the substrate, and the substrate is heated at 150 ° C. By heating for 10 minutes, a base material imparted with water and oil repellency was obtained.
  • Tables 2 and 3 show the evaluation results of the substrates of Examples 2 to 23, respectively. Anti-fingerprint stain resistance was confirmed on all the substrates of the examples. Taking the optical microscope observation of Example 2 as an example, as shown in FIG. 8, most of the pseudo-fingerprint attached to the base material is trapped in a hole in the base material surface, Only a few fingerprint components were present. Also, as shown in FIG. 9, after one reciprocation wiping test, the fingerprint component is removed from the hole, and a small amount of fine fingerprint component remains in the hole. It was confirmed that almost no fingerprint component remained. Furthermore, as shown in FIG. 10, most of the pseudo-fingerprints reattached to the wiping portion are trapped in the holes in the surface of the substrate, and the fingerprint component existing on the reference surface is very small. .
  • Example 11 taking the optical microscope observation of Example 11 as an example, as shown in FIG. 11, most of the pseudo-fingerprints attached to the base material are trapped in holes formed on the base material surface, and are collected. It was a droplet and the fingerprint component present on the reference surface was very small. Also, as shown in FIG. 12, the fingerprint component is almost removed from the hole after one reciprocal wiping test, the fingerprint component is hardly left on the reference surface, and the residual amount of the fingerprint component is extremely small. Was confirmed. Furthermore, as shown in FIG. 13, the pseudo-fingerprint reattached to the wiping portion is trapped in the hole on the substrate surface, and is formed into a droplet, which is present on the reference surface. The fingerprint component to be performed was slight.
  • a base material was obtained by imparting water and oil repellency to the glass substrate of one type of general-purpose float glass and two types of glass substrates obtained by processing the fine structure of the float glass in the same manner as in the examples. Details of the manufacturing conditions are shown in Table 1 as Comparative Examples 1 to 7.
  • the pseudo fingerprint attached to the float glass that has only been given water and oil repellency becomes droplets on the substrate, and the droplet size becomes small after one round of wiping test. It was observed that it remained in
  • the fingerprint stain-resistant substrate of the present invention exhibits excellent fingerprint stain resistance in an environment where a finger or the like is easily touched and a fingerprint component is easily attached.
  • architectural window glass and showcases for store products, dolls, etc.
  • partition base materials and resin materials for store products, dolls, etc.
  • decorative decorative plates for store products, dolls, etc.
  • partition base materials and resin materials for store products, dolls, etc.
  • decorative decorative plates for store products, dolls, etc.
  • metal plates for store products, dolls, etc.
  • furniture electricity, electronic equipment (TVs, mobile phones)
  • Base material 2 which has a hole Reference surface 3 of a base material 4 Recessed hole 4
  • Base material which has a layer which has a hole 5 Layer which has a hole 6 Fingerprint component trapped in a part or the whole of a hole

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  • Chemical & Material Sciences (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)
  • Laminated Bodies (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

L'invention porte sur un substrat résistant aux taches de type empreintes digitales caractérisé en ce qu'il comprend, en des endroits dans lesquels des doigts sont mis en contact d'une surface lisse d'un substrat ayant une transmittance de la lumière, une réflectivité de la lumière ou un brillant, des trous concaves qui collectent chacun un composant d'empreinte digitale adhérant à la surface lisse par une force capillaire et caractérisé en ce que les valeurs des racines carrées des surfaces projetées des trous en vue de face sont de 10-300 µm, la profondeur moyenne des trous est de 0,2-50 µm et le rapport surfacique de la surface totale des trous présents dans une zone d'observation de la surface lisse à la surface de la zone d'observation est de 10-85 %. Ce substrat présente une excellente résistance aux taches de type empreintes digitales.
PCT/JP2012/061705 2011-05-31 2012-05-08 Substrat résistant aux taches de type empreintes digitales WO2012165107A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011-121969 2011-05-31
JP2011121969 2011-05-31
JP2012094140A JP2013010684A (ja) 2011-05-31 2012-04-17 耐指紋汚染性基材
JP2012-094140 2012-04-17

Publications (1)

Publication Number Publication Date
WO2012165107A1 true WO2012165107A1 (fr) 2012-12-06

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JP (1) JP2013010684A (fr)
TW (1) TW201302650A (fr)
WO (1) WO2012165107A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3675610A4 (fr) * 2017-10-13 2020-11-11 Huawei Technologies Co., Ltd. Verre résistant aux empreintes digitales à haute résistance et son procédé de préparation, et élément extérieur de verre résistant aux empreintes digitales à haute résistance et son procédé de préparation

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6003731B2 (ja) * 2013-03-15 2016-10-05 旭硝子株式会社 撥水撥油性物品
DK2976305T3 (en) * 2013-03-20 2017-04-10 Agc Glass Europe GLASS PLATE WITH HIGH INFRARED RADIO TRANSMISSION
PL2976306T3 (pl) * 2013-03-20 2017-07-31 Agc Glass Europe Tafla szkła o wysokiej przepuszczalności promieniowania podczerwonego
CN105189388B (zh) * 2013-05-07 2020-05-22 旭硝子欧洲玻璃公司 具有高红外线辐射透射率的玻璃板
JP7274690B2 (ja) * 2018-09-25 2023-05-17 国立大学法人 熊本大学 凹凸体製造方法及び凹凸体

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04275925A (ja) * 1990-12-21 1992-10-01 Saint Gobain Vitrage Internatl 拡散性ガラスとその製造方法及び装置
JP2004359504A (ja) * 2003-06-05 2004-12-24 Central Glass Co Ltd 化学強化ガラスおよびその製造方法
JP2008225169A (ja) * 2007-03-14 2008-09-25 Saitama Univ 幾何学パターン形成方法
WO2010017503A1 (fr) * 2008-08-07 2010-02-11 Uni-Pixel Displays, Inc. Microstructures pour réduire l'apparition d'empreintes sur des surfaces
JP2010202497A (ja) * 2009-02-04 2010-09-16 Fujifilm Corp 熱線反射膜、並びに熱線反射構造体及びその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04275925A (ja) * 1990-12-21 1992-10-01 Saint Gobain Vitrage Internatl 拡散性ガラスとその製造方法及び装置
JP2004359504A (ja) * 2003-06-05 2004-12-24 Central Glass Co Ltd 化学強化ガラスおよびその製造方法
JP2008225169A (ja) * 2007-03-14 2008-09-25 Saitama Univ 幾何学パターン形成方法
WO2010017503A1 (fr) * 2008-08-07 2010-02-11 Uni-Pixel Displays, Inc. Microstructures pour réduire l'apparition d'empreintes sur des surfaces
JP2010202497A (ja) * 2009-02-04 2010-09-16 Fujifilm Corp 熱線反射膜、並びに熱線反射構造体及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3675610A4 (fr) * 2017-10-13 2020-11-11 Huawei Technologies Co., Ltd. Verre résistant aux empreintes digitales à haute résistance et son procédé de préparation, et élément extérieur de verre résistant aux empreintes digitales à haute résistance et son procédé de préparation

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TW201302650A (zh) 2013-01-16
JP2013010684A (ja) 2013-01-17

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