WO2014167231A4 - Procédé de dépôt d'un revêtement photocatalytique, revêtements, matériaux textiles et utilisation en photocatalyse associes - Google Patents

Procédé de dépôt d'un revêtement photocatalytique, revêtements, matériaux textiles et utilisation en photocatalyse associes Download PDF

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Publication number
WO2014167231A4
WO2014167231A4 PCT/FR2014/050822 FR2014050822W WO2014167231A4 WO 2014167231 A4 WO2014167231 A4 WO 2014167231A4 FR 2014050822 W FR2014050822 W FR 2014050822W WO 2014167231 A4 WO2014167231 A4 WO 2014167231A4
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WO
WIPO (PCT)
Prior art keywords
semiconductor material
nanoparticles
coating
range
illumination
Prior art date
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Ceased
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PCT/FR2014/050822
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English (en)
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WO2014167231A2 (fr
WO2014167231A3 (fr
Inventor
Damia GREGORI
Chantal Guillard
Frédéric Chaput
Stéphane PAROLA
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Centre National de la Recherche Scientifique CNRS
Ecole Normale Superieure de Lyon
Ecole Normale Superieure de Paris
Universite Claude Bernard Lyon 1
Original Assignee
Centre National de la Recherche Scientifique CNRS
Ecole Normale Superieure de Lyon
Ecole Normale Superieure de Paris
Universite Claude Bernard Lyon 1
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Application filed by Centre National de la Recherche Scientifique CNRS, Ecole Normale Superieure de Lyon, Ecole Normale Superieure de Paris, Universite Claude Bernard Lyon 1 filed Critical Centre National de la Recherche Scientifique CNRS
Priority to JP2016507035A priority Critical patent/JP6404324B2/ja
Priority to CN201480020161.5A priority patent/CN105102138A/zh
Priority to CA2907818A priority patent/CA2907818A1/fr
Priority to US14/775,143 priority patent/US20160040353A1/en
Priority to EP14720191.7A priority patent/EP2983837A2/fr
Publication of WO2014167231A2 publication Critical patent/WO2014167231A2/fr
Publication of WO2014167231A3 publication Critical patent/WO2014167231A3/fr
Publication of WO2014167231A4 publication Critical patent/WO2014167231A4/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
    • B01J31/069—Hybrid organic-inorganic polymers, e.g. silica derivatized with organic groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39—Photocatalytic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45—Nanoparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/44—Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic Table; Zincates; Cadmates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/45—Oxides or hydroxides of elements of Groups 3 or 13 of the Periodic Table; Aluminates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/47—Oxides or hydroxides of elements of Groups 5 or 15 of the Periodic Table; Vanadates; Niobates; Tantalates; Arsenates; Antimonates; Bismuthates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/48—Oxides or hydroxides of chromium, molybdenum or tungsten; Chromates; Dichromates; Molybdates; Tungstates
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    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/49—Oxides or hydroxides of elements of Groups 8, 9,10 or 18 of the Periodic Table; Ferrates; Cobaltates; Nickelates; Ruthenates; Osmates; Rhodates; Iridates; Palladates; Platinates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/53—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with hydrogen sulfide or its salts; with polysulfides
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    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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    • D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
    • D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/08—Processes in which the treating agent is applied in powder or granular form

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Paints Or Removers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Dispersion Chemistry (AREA)

Abstract

La présente invention concerne un procédé de dépôt d'un revêtement photocatalytique sur un support comprenant Ses étapes suivantes : a) Disposer d'une suspension aqueuse et/ou alcoolique de nanoparticules d'un matériau semi-conducteur, b) Disposer d'un sol en solution aqueuse et/ou alcoolique d'un organosilane hydrolyse, c) Mélanger Sa suspension et te sol et procéder au dépôt du mélange obtenu sur le support à recouvrir, d) Réaliser une opération de séchage, e) et éventuellement réaliser une illumination du revêtement obtenu après séchage à au moins une longueur d'onde entraînant l'activation du matériau semi-conducteur, de manière à éliminer au moins 3% des groupes organiques initialement présents dans le revêtement et liés aux atomes de silicium par liaison Si-C; ainsi que des revêtements à propriétés photocatalytique, des matériaux, notamment textiles, recouverts d'un tel revêtement et l'utilisation de tels revêtements et matériaux pour la photocatalyse.

Claims

REVENDICATIONS MODIFIÉES
reçues par le Bureau international le 26 November 2014 (26-1 1 -2014)
1 - Procédé de dépôt d'un revêtement photocatalytique sur un support comprenant les étapes suivantes :
a) Disposer d'une suspension aqueuse et/ou alcoolique de nanoparticules d'un matériau semi-conducteur,
b) Disposer d'un sol en solution aqueuse et/ou alcoolique d'un organosilane hydrolyse,
c) Mélanger la suspension et le sol et procéder au dépôt du mélange obtenu sur le support à recouvrir, puis
d) Réaliser une opération de séchage.
2 - Procédé selon la revendication 1 caractérisé en ce qu'il comprend une étape additionnelle e) après l'opération de séchage, consistant à réaiiser une Illumination du revêtement obtenu après séchage, à au moins une longueur d'onde entraînant l'activation du matériau semi-conducteur, de manière à éliminer au moins 3% des groupes organiques initialement présents dans le revêtement et liés aux atomes de silicium par liaison Si-C.
3 - Procédé selon la revendication 2 caractérisé en ce que l'illumination est réalisée, jusqu'à ne plus éliminer de groupes organiques liés aux atomes de silicium par liaison Si-C
4 - Procédé selon ia revendication 2 ou 3 caractérisé en ce que l'illumination est réalisée en immergeant le matériau dans une solution aqueuse, de préférence dans de l'eau ultrapure.
5 - Procédé selon l'une des revendications 2 à 4 caractérisé en ce que l'illumination est réalisée en plaçant le matériau dans un milieu maintenu à une température appartenant à la gamme 0 à 80°C, notamment à la gamme allant de 20 à 30°C.
6 - Procédé selon l'une des revendications 2 à 5 caractérisé en ce que l'illumination est réalisée sous UV A, B ou C, de préférence à au moins une longueur d'onde ou à une gamme de longueurs d'onde appartenant à l'intervalle allant de 200 à 400 nm, de préférence avec une intensité de 1 mW/cm2 à 100 W/cm2,et préférentieilement de 3 à 10 mW/cm2, en préférence de 80 à 100 % molaire des atomes de silicium présents dans le sol sont liés à un atome de carbone.
13 - Procédé selon l'une des revendications 1 à 12 caractérisé en ce que le séchage est réalisé à une température appartenant à la gamme allant de 20 à 500°C, et, de préférence, de 80 à 200°C, par exemple pendant une durée de 30 secondes à une semaine, et de préférence de 2 minutes à 20 heures.
14 - Procédé selon l'une des revendications 1 à 13 caractérisé en ce que le mélange déposé comprend de 1 à 70% en masse, et de préférence, de 5 à 30% en masse de matériau semi-conducteur.
15 - Procédé selon l'une des revendications 1 à 14 caractérisé en ce que le mélange déposé comprend un rapport massique espèces silicatées/matérlau semi-conducteur de 80/20 à 20/80 et de préférence, de 67/33 à 33/67, et préférentiellement de 60/40 à 40/60.
16 - Procédé selon l'une des revendications 1 à 15 caractérisé en ce que les nanopartfcules de matériau semi-conducteur présentent une plus grande taille appartenant à la gamme allant de 5 à 100 nm.
17 - Procédé selon l'une des revendications 1 à 16 caractérisé en ce que les nanoparticules de matériau semi-conducteur sont des nanoparticules de TiO2, ZnO, SnO2, WO3, Fe2O3, Bi2O3, SrTiO3, CdS, SIC ou CeO2 ou un mélange de telles nanoparticules, les nanoparticules composées de plus de 50% en masse de TiO2 anatase étant préférées.
18 - Procédé selon l'une des revendications 1 à 17 caractérisé en ce que le mélange déposé sur le support à l'étape c) ne contient pas de composés azotés.
19 - Procédé selon l'une des revendications 1 à 18 caractérisé en ce que le mélange déposé sur le support à l'étape c) ne contient pas de tensio-actif .
20 - Revêtement composé d'un polysiloxane dont certains des atomes de silicium sont liés par liaison Si-C à au moins un groupement organique, et dans lequel des nanoparticules d'un matériau semi-conducteur sont réparties caractérisé en ce qu'il est poreux, et présente, de préférence, une macroporosité.
PCT/FR2014/050822 2013-04-08 2014-04-07 Procédé de dépôt d'un revêtement photocatalytique, revêtements, matériaux textiles et utilisation en photocatalyse associes Ceased WO2014167231A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2016507035A JP6404324B2 (ja) 2013-04-08 2014-04-07 光触媒コーティングを付着させる方法および関連するコーティング、テキスタイル材料および光触媒反応における使用
CN201480020161.5A CN105102138A (zh) 2013-04-08 2014-04-07 沉积光催化涂层的方法和光催化中的相关涂层、纺织材料以及其用途
CA2907818A CA2907818A1 (fr) 2013-04-08 2014-04-07 Procede de depot d'un revetement photocatalytique,revetements, materiaux textiles et utilisation en photocatalyse associes
US14/775,143 US20160040353A1 (en) 2013-04-08 2014-04-07 Method for depositing a photocatalytic coating and related coatings, textile materials and use in photocatalysis
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US20160040353A1 (en) 2016-02-11
FR3004130B1 (fr) 2015-12-11
WO2014167231A2 (fr) 2014-10-16
JP6404324B2 (ja) 2018-10-10
FR3004130A1 (fr) 2014-10-10
WO2014167231A3 (fr) 2014-12-11
JP2016523688A (ja) 2016-08-12
EP2983837A2 (fr) 2016-02-17
CN105102138A (zh) 2015-11-25

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