EP1470090A2 - Behandlung von organischer verschmutzung auf einem anorganischen substrat - Google Patents

Behandlung von organischer verschmutzung auf einem anorganischen substrat

Info

Publication number
EP1470090A2
EP1470090A2 EP03709893A EP03709893A EP1470090A2 EP 1470090 A2 EP1470090 A2 EP 1470090A2 EP 03709893 A EP03709893 A EP 03709893A EP 03709893 A EP03709893 A EP 03709893A EP 1470090 A2 EP1470090 A2 EP 1470090A2
Authority
EP
European Patent Office
Prior art keywords
glazing
treatment
substrate
silicon
monolithic
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.)
Withdrawn
Application number
EP03709893A
Other languages
English (en)
French (fr)
Inventor
Ronan Garrec
No[L Crux
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.)
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
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 Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Publication of EP1470090A2 publication Critical patent/EP1470090A2/de
Withdrawn legal-status Critical Current

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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0075—Cleaning of glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B08B7/0057—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by ultraviolet radiation
    • 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
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C03C17/23—Oxides
    • 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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • 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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
    • C03C23/002—Other surface treatment of glass not in the form of fibres or filaments by irradiation by ultraviolet light
    • 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
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/212—TiO2
    • 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
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/213—SiO2
    • 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
    • C03C2217/71—Photocatalytic coatings
    • 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
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/32—After-treatment
    • 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
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/32—After-treatment
    • C03C2218/328—Partly or completely removing a coating

Definitions

  • the present invention relates to the treatment of organic pollution on an inorganic substrate, in particular of the type having a functionality by the fact that it consists of one or more stacked layers, each of which may be of thickness as small as 10 nm for example, and / or that it has a particular surface morphology.
  • the inorganic substrate consists of a metal, a metal alloy, a ceramic, a glass, oxide or essentially mineral material, in particular, in the latter two cases, in the form of coatings in thin layers.
  • the invention is of particular interest when the substrate is transparent and requires high optical quality, whether it is a glass substrate, or glass provided with one or more functional coating layers.
  • a soda-lime glass in particular a float glass as used for transport vehicles, for the building or other application of flat glass, or a glass of the bottle or flask type, a borosilicate of the pyrex type, a glass, of phosphate usable as prosthesis or optical glass, a lead glass (crystal), an aluminosilicate such as a glass ceramic, or an amorphous solid material free of silica.
  • low-emissivity, anti-solar, anti-reflective, decorative layers for example acid matt, screen-printed, lacquered, enameled, textured by rolling between rollers or by other equivalent methods
  • decorative layers for example acid matt, screen-printed, lacquered, enameled, textured by rolling between rollers or by other equivalent methods
  • hydrophobic and / or oleophobic or hydrophilic and / or oleophilic textured layers some of which may not be opposite 1 of the glazing, that is to say by convention that intended to be contact with the outside atmosphere (and not with the atmosphere of a building or vehicle ⁇ ⁇ çinte for example).
  • the sources of organic pollution are diverse; Hydrocarbons from exhaust gases from transport vehicles, or various combustion products suspended in the atmosphere, or more specific sources, can be cited.
  • Hydrocarbons from exhaust gases from transport vehicles, or various combustion products suspended in the atmosphere, or more specific sources can be cited.
  • silicone used at the periphery of multiple glazing or used as a mounting joint for glazing in the rebates of doors or windows had a very strong tendency to migrate, so that an area of the glazing distant up to '' at 15 to 20 cm from the edge can be polluted.
  • Polysulfide, neoprene which can also be used in the creation of glazing, especially multiple glazing, or their mounting in window and door frames, are also potential sources of pollution.
  • organic pollution on a substrate of the type mentioned above can reduce the desired performance for the substrate.
  • organic pollution is likely to screen; it forms more or less tenacious traces, and decreases the quality of visibility through a transparent substrate.
  • the substrate consists of layers as thin as above, or has a textured patterned pattern of the order of 10 to 200 nm
  • the problem arises of finding a way to eliminate the negative effects of pollution. organic without destroying the substrate, but on the contrary by preserving its surface morphology if necessary and by restoring its initial function in its quality and its durability, equal to what it was before the formation of pollution.
  • the subject of the invention is a process for treating organic pollution on a substrate of glass, oxide or any other essentially mineral or metallic material, having a functionality in that it consists of a or several stacked layers, and / or that it has a particular surface morphology, characterized in that it consists of an electrical treatment, an UV ozone treatment or a flame treatment, optionally followed by washing.
  • This process has proved capable of eliminating any effect of organic pollution, so as to regenerate various substrates in their states prior to the formation of pollution, without any apparent embrittlement of the substrate resulting therefrom, and without destruction. surface morphologies even with the finest patterns (texturing).
  • said electrical treatment is chosen from treatments of the corona discharge type, plasma treatment under vacuum or at atmospheric pressure, or the action of an electric field.
  • said substrate is hydrophilic and / or oleophilic.
  • organic pollution generally gives a pronounced hydrophobic character to the substrate on which it is deposited, while strongly adhering to it, so that it is difficult to detach it.
  • This particular difficulty could be overcome thanks to the invention, with a view to restoring the initial hydrophilicity and / or oleophilia.
  • said substrate comprises a layer based on an at least partially oxidized derivative of silicon chosen from silicon dioxide or sub-stoichiometric oxides of silicon oxygen, oxycarbide or silicon oxynitride.
  • This layer deposited by sol-gel or by pyrolysis, in particular in the CVD gas phase, is described in application WO 01/32578, and is distinguished by a low contact angle with water, promoting the formation of a liquid film. end does not interfere with vision through glazing in particular, preventing the formation of mist droplets, as well as by a surface geometry having globes and providing a capillary effect.
  • This substrate is remarkable in its water-cleaning property, that is to say its ability to encompass and cause possible soiling in the thin and uniform liquid film.
  • relatively tenacious organic pollution and / or in relatively large quantity should preferably be eliminated, without destroying the surface morphology with globes, which allows the process of the invention.
  • a second variant of the preferred mode consists in that said substrate comprises a layer comprising titanium oxide at least partially crystallized in anatase form, in rutile form or in the form of a mixture of anatase and rutile.
  • This layer obtained from at least one titanium precursor, optionally in solution, by pyrolysis in the liquid phase, by a sol-gel technique or also by pyrolysis in the vapor phase, is known in particular from applications WO 97/10185 , WO 97/10186 and WO 99/44954. It is hydrophilic after exposure to light, and able to degrade soiling of organic origin by a process of radical oxidation. It is nevertheless appropriate, in this variant also, to eliminate stubborn organic pollution or in significant quantities and capable of making a screen between the light and the layer of Ti ⁇ 2 , inactivating the latter.
  • the invention also relates to a device for implementing the method described above on a single or multiple glazing comprising monolithic or laminated glass.
  • This device is: - either installed close to or integrated into the glazing production line; - is able to be activated at the place of installation of the glazing, provided that it has an energy source, unless the device is autonomous in terms of energy.
  • a treatment of the type of the crown discharge opens each of these two possibilities, in particular making available relatively light and small devices, portable and operating by simple connection to the sector.
  • a device for implementing the above method comprises a terminal tool capable of being moved on the surface or close to the surface of the substrate, in particular glazing.
  • Another object of the invention consists in applying the method previously exposed to a single or multiple glazing comprising monolithic or laminated glass, and in which said substrate comprises a layer based on an at least partially oxidized derivative of silicon chosen from silicon dioxide or sub-stoichiometric oxides of silicon oxygen, oxycarbide or silicon oxynitride, and / or a layer comprising Ti0 2 .
  • Another subject of the invention is: a single or multiple glazing unit comprising monolithic or laminated glass, which has been subjected to the above treatment process, and which is intended for an air, aquatic or land transport vehicle, in particular to an automobile, to the building (window, door, element of sanitary furniture or other such as shower cubicle, table, tablet %), to urban furniture (bus shelters %), to an interior decorative element such as '' an aquarium or outdoor, or household appliance (oven door, refrigerator shelf ).
  • the invention is now illustrated by the following exemplary embodiments.
  • EXAMPLE 1 Sheets of silica-calcium calcium glass are assembled in pairs, in known manner, in double glazing, by bonding a hollow metal profile between the sheets and use of a silicone sealant in the peripheral throat.
  • Certain glazings thus formed are treated by crown discharge by means of an apparatus integrated into the assembly line.
  • This apparatus comprises treatment heads each formed by an anode-cathode pair connected to the sector and positioned at a distance of 0.5 to 2 cm from the surface to be treated, in a plane parallel to it. An electric field is created between each anode and the corresponding cathode, and the air located between the two is projected onto the glazing.
  • Each treatment head is active for a glazing width of approximately 6 cm; several treatment heads can thus be positioned side by side depending on the width to be treated of the glazing, all the treatment heads being moved simultaneously along the glazing.
  • the surfaces treated in this example consist of layers of
  • Example 1 is reproduced with glazings which differ only in that the layer of Si0 2 is coated with a layer 20 nm thick comprising photocatalytic Ti0 2 formed according to the teaching of the requests
  • Example 1 The glazings of Example 1 are installed in building bays using silicone as a mounting joint, then treated according to the same principle, but using a portable device. The findings are identical to those of Example 1.
  • Double glazing identical to that of Example 1 is treated with a propane-oxygen flame.
  • the burner is positioned at a distance of 4 to 5 cm from the surface to be treated, and adjusted so that the flames simply lick the glass so that it is warm enough on the surface, but not hot in depth.
  • a simple washing with distilled water restores a hydrophilicity as durable, and of quality identical to that presented by the monolithic control sheet.

Landscapes

  • 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)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Surface Treatment Of Glass (AREA)
  • Laminated Bodies (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
EP03709893A 2002-01-25 2003-01-22 Behandlung von organischer verschmutzung auf einem anorganischen substrat Withdrawn EP1470090A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0201387 2002-01-25
FR0201387A FR2835205B1 (fr) 2002-01-25 2002-01-25 Traitement de pollution organique sur un substrat inorganique
PCT/FR2003/000201 WO2003062166A2 (fr) 2002-01-25 2003-01-22 Traitement de pollution organique sur un substrat inorganique

Publications (1)

Publication Number Publication Date
EP1470090A2 true EP1470090A2 (de) 2004-10-27

Family

ID=27589595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03709893A Withdrawn EP1470090A2 (de) 2002-01-25 2003-01-22 Behandlung von organischer verschmutzung auf einem anorganischen substrat

Country Status (9)

Country Link
US (1) US20050084688A1 (de)
EP (1) EP1470090A2 (de)
JP (1) JP2005515148A (de)
KR (1) KR20040077772A (de)
CN (1) CN100358821C (de)
AU (1) AU2003214327A1 (de)
FR (1) FR2835205B1 (de)
PL (1) PL369825A1 (de)
WO (1) WO2003062166A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008505841A (ja) 2004-07-12 2008-02-28 日本板硝子株式会社 低保守コーティング
FR2878843B1 (fr) * 2004-12-02 2007-07-20 Saint Gobain Substrat protege contre les pollutions organiques
US7452518B2 (en) * 2004-12-28 2008-11-18 Momentive Performance Materials Inc. Process for treating synthetic silica powder and synthetic silica powder treated thereof
CA2648686C (en) 2006-04-11 2016-08-09 Cardinal Cg Company Photocatalytic coatings having improved low-maintenance properties
US20080011599A1 (en) 2006-07-12 2008-01-17 Brabender Dennis M Sputtering apparatus including novel target mounting and/or control
US7820296B2 (en) 2007-09-14 2010-10-26 Cardinal Cg Company Low-maintenance coating technology
BE1020114A3 (fr) * 2011-02-15 2013-05-07 Agc Glass Europe Procede de fabrication de feuille de verre decoree.
FR3048244B1 (fr) * 2016-02-26 2018-03-16 Saint-Gobain Glass France Procede de gravure selective d'une couche ou d'un empilement de couches sur substrat verrier
CN105819707A (zh) * 2016-03-04 2016-08-03 无锡绿莓新材料科技有限公司 一种自清洁玻璃的制备方法
EP3541762B1 (de) 2016-11-17 2022-03-02 Cardinal CG Company Statisch-dissipative beschichtungstechnologie

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275693A1 (de) * 1986-12-23 1988-07-27 Nippon Paint Co., Ltd. Vorrichtung zur Coronaentladungsbehandlung
EP0887179A1 (de) * 1996-12-09 1998-12-30 Nippon Sheet Glass Co., Ltd. Antibeschlag-gegenstand und dessen herstellungsverfahren
EP1055718A1 (de) * 1998-12-10 2000-11-29 Toray Industries, Inc. Optisches gerät, dessen herstellungsverfahren und organosilicium verbindung

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FR978448A (fr) * 1942-09-07 1951-04-13 Procédé et appareil pour le nettoyage des surfaces, particulièrement celles des lames de verre destinées à recevoir un dépôt métallique par sublimation dans le vide
US2383470A (en) * 1944-08-14 1945-08-28 Libbey Owens Ford Glass Co Method of and apparatus for cleaning and surface-coating glass and the like
US3915738A (en) * 1973-08-20 1975-10-28 Caw Ind Method of cleaning glass windows and mirrors
DE3587294T2 (de) * 1985-01-22 1993-09-30 Saint Gobain Vitrage Verfahren zur Herstellung einer dünnen Metalloxidbeschichtung auf einem Substrat, insbesondere Glas und deren Verwendung als Verglasung.
JP2540583B2 (ja) * 1988-03-07 1996-10-02 日本電信電話株式会社 基板の清浄化処理方法およびその装置
US4917963A (en) * 1988-10-28 1990-04-17 Andus Corporation Graded composition primer layer
FR2660649B1 (fr) * 1990-04-06 1992-06-12 Saint Gobain Vitrage Int Procede pour la desionisation superficielle d'un ruban de verre, dispositif pour sa mise en óoeuvre et produits desionises obtenus.
TW260806B (de) * 1993-11-26 1995-10-21 Ushio Electric Inc
JPH11512336A (ja) 1995-09-15 1999-10-26 ロディア シミ 二酸化チタンを基とする光触媒コーティングを有する基材及び二酸化チタンを基とする有機分散体
FR2738813B1 (fr) * 1995-09-15 1997-10-17 Saint Gobain Vitrage Substrat a revetement photo-catalytique
FR2775696B1 (fr) 1998-03-05 2000-04-14 Saint Gobain Vitrage Substrat a revetement photocatalytique
JP2000233462A (ja) * 1998-12-17 2000-08-29 Tao:Kk 表面多孔質親水性基体
JP2000210570A (ja) * 1999-01-26 2000-08-02 Hitachi Ltd 光触媒装置
FR2800731B1 (fr) 1999-11-05 2002-01-18 Saint Gobain Vitrage Substrat transparent muni d'une couche en derive de silicium
FR2811316B1 (fr) 2000-07-06 2003-01-10 Saint Gobain Substrat texture transparent et procedes pour l'obtenir

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275693A1 (de) * 1986-12-23 1988-07-27 Nippon Paint Co., Ltd. Vorrichtung zur Coronaentladungsbehandlung
EP0887179A1 (de) * 1996-12-09 1998-12-30 Nippon Sheet Glass Co., Ltd. Antibeschlag-gegenstand und dessen herstellungsverfahren
EP1055718A1 (de) * 1998-12-10 2000-11-29 Toray Industries, Inc. Optisches gerät, dessen herstellungsverfahren und organosilicium verbindung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03062166A3 *

Also Published As

Publication number Publication date
CN1622923A (zh) 2005-06-01
FR2835205A1 (fr) 2003-08-01
KR20040077772A (ko) 2004-09-06
WO2003062166A2 (fr) 2003-07-31
PL369825A1 (en) 2005-05-02
US20050084688A1 (en) 2005-04-21
AU2003214327A1 (en) 2003-09-02
JP2005515148A (ja) 2005-05-26
WO2003062166A3 (fr) 2004-03-11
FR2835205B1 (fr) 2007-02-16
CN100358821C (zh) 2008-01-02

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