EP3068248B1 - Matériaux ou surfaces à ouvertures imperméables utilisant des traitements hydrophobes de nanoparticules - Google Patents

Matériaux ou surfaces à ouvertures imperméables utilisant des traitements hydrophobes de nanoparticules Download PDF

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Publication number
EP3068248B1
EP3068248B1 EP14860945.6A EP14860945A EP3068248B1 EP 3068248 B1 EP3068248 B1 EP 3068248B1 EP 14860945 A EP14860945 A EP 14860945A EP 3068248 B1 EP3068248 B1 EP 3068248B1
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EP
European Patent Office
Prior art keywords
apertures
hydrophobic
intersecting members
materials
members
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.)
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Application number
EP14860945.6A
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German (de)
English (en)
Other versions
EP3068248A4 (fr
EP3068248A2 (fr
Inventor
Mark D. Shaw
Mathew P. CLANCY
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Individual
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Individual
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Priority to EP19203691.1A priority Critical patent/EP3626874A1/fr
Publication of EP3068248A2 publication Critical patent/EP3068248A2/fr
Publication of EP3068248A4 publication Critical patent/EP3068248A4/fr
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D9/00—Open-work fabrics
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A43B23/0215—Plastics or artificial leather
    • A43B23/022—Plastics or artificial leather with waterproof breathable membranes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C9/00—Laces; Laces in general for garments made of textiles, leather, or plastics
    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
    • 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
    • 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
    • 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
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/021—Moisture-responsive characteristics hydrophobic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/04—Outerwear; Protective garments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/172—Coated or impregnated
    • Y10T442/174—Including particulate material other than fiber in coating or impregnation

Definitions

  • This application relates generally to the field of waterproofing, and more particularly to the field of waterproofing normally permeable apertured surfaces or materials, and even more particularly to the field of waterproofing materials using nanotechnology coatings or chemical compositions and treatments.
  • hydrophobic is used for surfaces having water contact angels greater than about 120 degrees
  • superhydrophobic is used for surfaces having water contact angles of greater than about 150 degrees.
  • the nanoparticle technology often provides oleophobic and other nonaqueous liquid barriers as well as creating a hydrophobic barrier.
  • the invention comprises a method of providing waterproof apertured materials or surfaces using hydrophobic nanoparticle compositions and treatments, and preferably superhydrophobic compositions and treatments, and the materials or surfaces resulting therefrom, wherein apertures of a size that would normally render the surface or material water-permeable may be provided in the surface or material, and further wherein intrusive or breeching members, such as stitching threads, laces, strings, shoestrings or the like, may pass through a waterproof surface or material without reducing the impermeability to water.
  • the method comprises determining the extent of the hydrophobic field that extends beyond the physical edge of a particular treated material to determine the allowable size of the aperture, such that the extended hydrophobic field present on the material surrounding the aperture will be sufficient to prevent surface wetting and water permeability by fully overlapping the aperture or by presenting a reduced area effective aperture that is small enough to preclude passage of water.
  • the invention embodies a method of manufacturing an apertured waterproof mesh material comprised of intersecting members, the method comprising the steps of treating said intersecting members with a nanoparticle hydrophobic or superhydrophobic composition to create a hydrophobic field extending beyond said intersecting members; determining the extent of said hydrophobic field; interweaving intersecting members to form a mesh material having apertures wider than the width of each of said intersecting members, such that said hydrophobic field extends a sufficient distance into said apertures to preclude passage of water through said apertures.
  • the invention embodies an apertured waterproof mesh material produced by the above method.
  • the breeching member is first treated with a nanoparticle hydrophobic composition, such that wicking through the breeching member is precluded and the aperture is effectively blocked by the hydrophobic field, thereby maintaining liquid impermeability of the waterproof material.
  • the embodiments of the invention disclose a method of manufacturing an apertured mesh material composed of intersecting members defining apertures of sufficient size to be permeable to water, and treating said intersecting members before or after the step of intersecting the members with a nanoparticle hydrophobic, including superhydrophobic, composition that creates a hydrophobic field extending beyond the intersecting members and across and into the apertures, whereby the overlapping or adjacent hydrophobic fields preclude passage of water through said normally permeable apertures.
  • the term “mesh” or “mesh material” shall refer to and include a material, such as a fabric, screen or the like, composed of intersecting elongated members, such as threads, yarns, strings, wires, cables, rods or the like.
  • hydrophobic or superhydrophobic compositions and treatments suitable for this invention shall include but not be limited to the compositions and treatments disclosed in U.S Patent Publication Nos. 2013/0109261 , 2012/0009396 , 2010/0314575 , 2012/0045954 , and 2006/0029808 , and also in U.S. Patent Nos.
  • an apertured mesh material or surface 10 is manufactured by interweaving a plurality of intersecting members 11, such as for example thread members combing to create a fabric.
  • the intersecting members 11, and therefore the apertured mesh material 10 as well, is treated with a nanoparticle hydrophobic composition through either a coating process or an absorption process.
  • intersecting members 11 may be treated with a nanoparticle hydrophobic composition sold under the brand name ULTRA EVER DRY.
  • the intersecting members 11 may be treated prior to the step of intersecting the members 11 to form the mesh material 10, or the intersecting members 11 may be inter woven together first to form the apertured material 10 and then treated.
  • the treatment step does not physically block any portions of or reduce the actual size of the apertures 13.
  • the intersecting members 11 are interwoven to produce apertures 13 of a size that are permeable to water. More preferably, the apertures 13, which are generally square or rectangular in configuration, have width dimensions greater than the cross-sectional widths of the intersecting members 11, i.e., greater than the diameters of generally cylindrical intersecting members 11 for example. Apertures of such size are typically provided in mesh materials 10 that are designed to permit significant flow of air through the mesh material 10.
  • hydrophobic field 12 (taken herein to include superhydrophobic fields as well) that extends beyond the actual physical edges of each of the intersecting members 11.
  • the extent of the extended hydrophobic field 12 must be measured and known, as it is this extent that determines the maximum permissible size for an aperture 13.
  • the combination of the hydrophobic fields 12 associated with the portions of the intersecting members 11 defining an aperture 13 will combine, either because of overlapping or being sufficiently adjacent, to create a hydrophobic barrier either fully across the aperture 13 or sufficiently across the aperture 13 to create an effective aperture 14 sufficiently small in dimensions so as to preclude passage of water through the aperture 13, thereby producing a mesh material that is liquid impermeable.
  • the extent of the hydrophobic field 12 will vary dependent upon the material of composition of the intersecting members 11 and the strength of the particular nanoparticle hydrophobic or superhydrophobic composition chosen.
  • the hydrophobic can be measured for a particular intersecting member 11 can be measured by treating the intersecting member 11 and then varying the size of the interwoven aperture 13 to determine the maximum allowable size for the aperture 13 to remain waterproof.
  • the method thus comprises determining the extent of the hydrophobic field 12 that extends beyond the physical edge of a particular treated intersecting member 11 to determine the allowable maximum size of the aperture 13, such that the extended hydrophobic field 12 extending from the intersecting members 11 surrounding the aperture 13 will be sufficient to prevent surface wetting and water permeability by fully overlapping and extending across the aperture 13 or by extending sufficiently into the aperture 13 to create an effective aperture 14 of reduced area that is inherently small enough to preclude passage of water.
  • an aperture 13 may be present in a waterproof material 16 for the purpose of receiving a breeching or member 15.
  • the material 16 which may be naturally liquid impermeable or treated as discussed or referenced above, the breeching member 15 passing through either a pre-made hole or bore, such as a shoelace, tie or string passing through a pre-cut hole or a grommet in a leather material, or a hole or bore made during construction, such as a stitching thread passing through a fabric.
  • a pre-made hole or bore such as a shoelace, tie or string passing through a pre-cut hole or a grommet in a leather material, or a hole or bore made during construction, such as a stitching thread passing through a fabric.
  • the presence of the breeching member 15 in the aperture 13 may render the material 16 permeable to liquids, especially if the breeching member 15 is composed of a material susceptible to wicking, such as a shoelace or thread.
  • the breeching member 15 is treated with a nanoparticle hydrophobic or superhydrophobic composition that creates a hydrophobic field 12, as shown in Figure 2 , such that the combination of the nanoparticle hydrophobic or superhydrophobic treatment and the hydrophobic field 12 preclude passage of liquid through the aperture 13 whether by wicking or capillary effect. More preferably, the material 16 is also treated with the nanoparticle hydrophobic or superhydrophobic composition such that the hydrophobic fields 12 will overlap to better seal the aperture 13.
  • nanoparticle hydrophobic or superhydrophobic treatment and composition have been used herein, it is to be understood that some of the nanoparticle hydrophobic or superhydrophobic treatments and compositions will also render the treated material impermeable to almost all liquids and oils, such that the effect is hydrophobic, liquid-phobic and oleophobic.
  • the allowable presence of apertures in the liquid impermeable material whether the apertures are present due to weaving manufacture, needling, apertures inherent in the material, apertures required for functionality of the object (e.g., a shoe), etc., enables surfaces, materials, coverings, garments or the like to be created, for example, that allow air passage through the material while maintaining impermeability.
  • Such materials can be utilized for normal or protective clothing, shoes, covers, tents, canopies, umbrellas, etc.
  • the invention also provides such materials that may be termed "self-cleaning", in that the material is not susceptible to common liquid stains and is more easily cleaned of solid or particulate matter. Most preferably even the inherently waterproof materials are treated so as to be hydrophobic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Laminated Bodies (AREA)

Claims (5)

  1. Procédé de fabrication d'un matériau maillé imperméable à ouverture (10) constitué d'éléments entrecroisés (11), le procédé comprenant les étapes consistant à :
    traiter lesdits éléments entrecroisés (11) au moyen d'une composition hydrophobe ou superhydrophobe de nanoparticules afin de créer un champ hydrophobe (12) s'étendant au-delà desdits éléments d'intersection (11) ;
    le procédé étant caractérisé par
    la détermination de l'étendue dudit champ hydrophobe (12) ;
    des éléments entrecroisés entrelacés (11) pour former un matériau maillé (10) ayant des ouvertures (13) plus larges que la largeur de chacun desdits éléments entrecroisés (11), de telle sorte que ledit champ hydrophobe (12) s'étend sur une distance suffisante dans lesdites ouvertures (13) pour empêcher le passage d'eau à travers lesdites ouvertures (13).
  2. Procédé selon la revendication 1, dans lequel lesdits éléments entrecroisés (11) sont traités après ladite étape d'entrelaçage.
  3. Procédé selon la revendication 1, dans lequel ladite étape consistant à entrelacer des éléments d'intersection (11) produit des ouvertures (13) d'une taille telle que lesdits champs hydrophobes (12) desdits éléments d'intersection (11) adjacents auxdites ouvertures (13) s'étendent partiellement dans lesdites ouvertures (13) à une distance suffisante pour définir des ouvertures efficaces (14) qui empêchent le passage d'eau à travers lesdites ouvertures (13).
  4. Matériau maillé imperméable à ouverture (10) produit par le procédé selon la revendication 1.
  5. Procédé selon la revendication 1, dans lequel ladite étape de traitement desdits éléments d'intersection (11) au moyen de ladite composition hydrophobe ou superhydrophobe de nanoparticules afin de créer un champ hydrophobe (12) ne réduit pas physiquement la taille desdites ouvertures (13), ni ne les bloque.
EP14860945.6A 2013-11-11 2014-11-11 Matériaux ou surfaces à ouvertures imperméables utilisant des traitements hydrophobes de nanoparticules Active EP3068248B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19203691.1A EP3626874A1 (fr) 2013-11-11 2014-11-11 Surfaces ou matériaux ajourés étanches à l'eau utilisant des traitements hydrophobes à base de nanoparticules

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361902441P 2013-11-11 2013-11-11
PCT/US2014/065021 WO2015070218A2 (fr) 2013-11-11 2014-11-11 Matériaux ou surfaces à ouvertures imperméables utilisant des traitements hydrophobes de nanoparticules

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19203691.1A Division EP3626874A1 (fr) 2013-11-11 2014-11-11 Surfaces ou matériaux ajourés étanches à l'eau utilisant des traitements hydrophobes à base de nanoparticules
EP19203691.1A Division-Into EP3626874A1 (fr) 2013-11-11 2014-11-11 Surfaces ou matériaux ajourés étanches à l'eau utilisant des traitements hydrophobes à base de nanoparticules

Publications (3)

Publication Number Publication Date
EP3068248A2 EP3068248A2 (fr) 2016-09-21
EP3068248A4 EP3068248A4 (fr) 2017-08-02
EP3068248B1 true EP3068248B1 (fr) 2019-11-27

Family

ID=53042356

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19203691.1A Withdrawn EP3626874A1 (fr) 2013-11-11 2014-11-11 Surfaces ou matériaux ajourés étanches à l'eau utilisant des traitements hydrophobes à base de nanoparticules
EP14860945.6A Active EP3068248B1 (fr) 2013-11-11 2014-11-11 Matériaux ou surfaces à ouvertures imperméables utilisant des traitements hydrophobes de nanoparticules

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19203691.1A Withdrawn EP3626874A1 (fr) 2013-11-11 2014-11-11 Surfaces ou matériaux ajourés étanches à l'eau utilisant des traitements hydrophobes à base de nanoparticules

Country Status (3)

Country Link
US (3) US20150133013A1 (fr)
EP (2) EP3626874A1 (fr)
WO (1) WO2015070218A2 (fr)

Families Citing this family (1)

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JP2019510662A (ja) * 2015-12-23 2019-04-18 ライニッシェ フリードリヒ−ヴィルヘルム ウニヴェルズィテート ボン 液体下での安定な気体保持のための格子構造体

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Also Published As

Publication number Publication date
EP3068248A4 (fr) 2017-08-02
WO2015070218A2 (fr) 2015-05-14
EP3626874A1 (fr) 2020-03-25
US20180237963A1 (en) 2018-08-23
US20180282913A1 (en) 2018-10-04
EP3068248A2 (fr) 2016-09-21
WO2015070218A3 (fr) 2015-11-05
US20150133013A1 (en) 2015-05-14

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