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WO2009027553A1 - Système d'occultation de la lumière au moyen de fluides - Google Patents

Système d'occultation de la lumière au moyen de fluides Download PDF

Info

Publication number
WO2009027553A1
WO2009027553A1 PCT/ES2008/000530 ES2008000530W WO2009027553A1 WO 2009027553 A1 WO2009027553 A1 WO 2009027553A1 ES 2008000530 W ES2008000530 W ES 2008000530W WO 2009027553 A1 WO2009027553 A1 WO 2009027553A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
occluder
occluder system
fluids according
fluid
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.)
Ceased
Application number
PCT/ES2008/000530
Other languages
English (en)
Spanish (es)
Inventor
Vicente Pastor Rubio
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.)
VANENTIS SL
Original Assignee
VANENTIS SL
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 VANENTIS SL filed Critical VANENTIS SL
Publication of WO2009027553A1 publication Critical patent/WO2009027553A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
    • E06B3/6722—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light with adjustable passage of light
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/24—Liquid filters

Definitions

  • the present invention describes a light occluder system by means of fluids that is structured by means of the application of an organic coating intended for the surface treatment of a glazed surface and a fluid constituted by the dispersion of a pigment in aqueous medium, the latter fulfilling the function of light occluder.
  • the present invention is attached to the technical sector of surface coatings.
  • additives modifying the surface properties based on polysiloxanic derivatives in organic coatings is finding fundamental application in the formulation of anti-graffiti coatings and coatings that provide particle repellent performance and surface cleaning facilitators.
  • the present invention describes a light occluder system by means of fluids that is structured by means of the application of an organic coating intended for the surface treatment of a glazed surface and a fluid constituted by the dispersion of a pigment in aqueous medium, the latter fulfilling the function of light occluder.
  • the occlusive fluids referred to herein respond to compositions composed mainly of pigments dispersed and adequately stabilized in an aqueous medium.
  • the occluder is such that it prevents the passage of light through it at the same time as if it were an opaque paint, but permanently maintaining the fluidity to allow its movement through the sealed chamber.
  • the choice of different pigments allows different colors to be selected from a wide range.
  • the optimum effect and functionality is achieved when the occluder fluid is displaced (it travels through the chamber without causing the fouling thereof due to the partial contribution of part of the fluid to the glazed surface which occurs mainly in the emptying and Therefore, with the solution provided, the camera recovers its initial transparency, allowing successive phases of filling and emptying, so that the regulation of the passage of light through it is achieved.
  • the solution provided is based on creating intense surface tensions that cause repulsion forces between the contact zone of the occluder in the circulation chamber of the latter and the specific occluder itself.
  • the occluder system comprises the following elements: a) An organic coating: composition composed of a polymeric component of a liquid organic nature (resin) which, by different procedures, whether physical or chemical, acquires a final state solid, giving the surface on which it applies special features different from those of the material itself. It can also be complemented by the incorporation of different additional components or additives that allow the modification of surface properties that provide special properties to it.
  • Said organic coating comprises at least:
  • a silicone additive or derivative which is selected and without limitation, from the group consisting of hydroxy functional polysiloxane (hydroxy functional polydimethylsiloxane type or not), hydroxy functional polysiloxane copolymer (hydroxy functional polydimethylsiloxane copolymer), and hydroxy polyacrylate modified polyacrylate.
  • Said additive is at a concentration in the range from 0.1 to 35%, preferably from 2 to 10%.
  • a crosslinkable liquid organic polymer that is selected and without limitation from the group consisting of epoxy, hydroxylated polyesters, unsaturated / peroxide polyesters, acrylates and crosslinkable systems via UV radiation acrylate base (polymer matrix). Said polymer is in a proportion within the range from 65 to 99%, preferably from 90 to 95%.
  • An occluder comprising at least:
  • An organic or inorganic pigment in a proportion from 2% to 35%, preferably from 5% to 15%.
  • SUBSTITUTE SHEET (RULE 26) - A dispersant suitable for the type of pigment for aqueous systems (type
  • Coatex® in proportions equal to those of pigment
  • a fluid medium selected and without limiting sense by deionized, decalcified, osmotized or distilled water in a proportion of 60% to 95%, preferably from 75% to 90%.
  • the modification of the initial performance of the glazed surface is produced by creating an interfacial surface between the glass and the occluder fluid.
  • the special hydrophobic properties thereof cause repulsive forces that repel the aqueous pigmented fluid (occluder) through the superficially treated bearing structure leaving it free in the emptying phases.
  • hydroxy functional polysiloxanes provides a greater hydrophobic effect and greater durability thereof due to the creation of bridges between the -OH groups by reaction, in certain cases with acidic groups integrated in the organic polymer of the coating composition itself .
  • Organic coating (A) in epoxy base Per 100 grams of total sample: Incorporate 90% with resin (Epikote 817 organic polymer) in a container of sufficient volume (approx. 250cc). Incorporate surface additive (hydroxy-functional polydimethylsiloxane type Byk 370) in a proportion between 5 and 10%.
  • SUBSTITUTE SHEET (RULE 26) Incorporate the aminic catalyst (Epikure F200 type) in proportion of 100 parts of the previous coating with 60 parts of the reaction catalyst. Approximate pot life of the mixture 45min.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un système d'occultation de la lumière au moyen de liquides. La présente invention concerne un système d'occultation de la lumière au moyen de liquides qui fait appel à l'application d'un revêtement organique destiné au traitement superficiel d'une surface vitrée et d'un liquide constitué par la dispersion d'un pigment en milieu aqueux, ce dernier ayant pour fonction d'occulter la lumière.
PCT/ES2008/000530 2007-07-30 2008-07-30 Système d'occultation de la lumière au moyen de fluides Ceased WO2009027553A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP200702124 2007-07-30
ES200702124A ES2315183B1 (es) 2007-07-30 2007-07-30 Sistema oclusor de la luz mediante fluidos.

Publications (1)

Publication Number Publication Date
WO2009027553A1 true WO2009027553A1 (fr) 2009-03-05

Family

ID=40386719

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2008/000530 Ceased WO2009027553A1 (fr) 2007-07-30 2008-07-30 Système d'occultation de la lumière au moyen de fluides

Country Status (2)

Country Link
ES (1) ES2315183B1 (fr)
WO (1) WO2009027553A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992006266A1 (fr) * 1990-09-27 1992-04-16 Groupe Impact Design Systeme de vitrage a opacite variable
WO1995023772A1 (fr) * 1994-03-02 1995-09-08 Dsm N.V. Systeme de revetement permettant de conserver la resistance du verre
MX9602666A (es) * 1996-07-08 1998-01-31 Jorge Antonio Cordero Go Campo Panel diafano claro para ventanas, que se transforma en coloreado, en opaco, o en espejo, y viceversa, a voluntad del usuario.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992006266A1 (fr) * 1990-09-27 1992-04-16 Groupe Impact Design Systeme de vitrage a opacite variable
WO1995023772A1 (fr) * 1994-03-02 1995-09-08 Dsm N.V. Systeme de revetement permettant de conserver la resistance du verre
MX9602666A (es) * 1996-07-08 1998-01-31 Jorge Antonio Cordero Go Campo Panel diafano claro para ventanas, que se transforma en coloreado, en opaco, o en espejo, y viceversa, a voluntad del usuario.

Also Published As

Publication number Publication date
ES2315183A1 (es) 2009-03-16
ES2315183B1 (es) 2010-01-08

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