WO2017007439A1 - Procédé de revêtement de nanocomposite superhydrophobe - Google Patents

Procédé de revêtement de nanocomposite superhydrophobe Download PDF

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Publication number
WO2017007439A1
WO2017007439A1 PCT/TR2016/050208 TR2016050208W WO2017007439A1 WO 2017007439 A1 WO2017007439 A1 WO 2017007439A1 TR 2016050208 W TR2016050208 W TR 2016050208W WO 2017007439 A1 WO2017007439 A1 WO 2017007439A1
Authority
WO
WIPO (PCT)
Prior art keywords
resin
coating method
nanocomposite coating
solvent
dispersing
Prior art date
Application number
PCT/TR2016/050208
Other languages
English (en)
Inventor
Mehmet Hancer
Mustafa Serdar ONSES
Hamdi Harun ARKAZ
Original Assignee
Erciyes Universitesi
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 Erciyes Universitesi filed Critical Erciyes Universitesi
Publication of WO2017007439A1 publication Critical patent/WO2017007439A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C09D5/1681—Antifouling coatings characterised by surface structure, e.g. for roughness effect giving superhydrophobic coatings or Lotus effect
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds

Definitions

  • the present invention relates to a nanocomposite coating method, which increases adsorption of the coating to the surface to which it is applied, and enables to obtain a superhydrophobic surface even if it is applied as a thin film thanks to its feature of bidirectional wetting.
  • Superhydrophobic nanocomposite coatings are basically comprised of two components. While fibrous structures are used as additives, particles and nanoparticles can also be used in some applications. The particles are directly sprayed onto the surface or dip-coating is performed.
  • An objective of the present invention is to provide a superhydrophobic nanocomposite coating method having the feature of bidirectional wetting.
  • Another objective of the present invention is to provide a superhydrophobic nanocomposite coating method which increases adsorption of the coating onto the surface.
  • a further objective of the present invention is to provide a superhydrophobic nanocomposite coating method which provides a transparent layer on the surface.
  • Another objective of the present invention is to provide a superhydrophobic nanocomposite coating method which enables long useful lives for the surfaces subjected to the tough conditions.
  • Figure 1 is the flow chart of the method of the present invention.
  • Figure 2 is a schematic view of the method of the present invention when brush polymer is used as the matrix material.
  • Figure 3 is a schematic view of the method of the present invention when block polymer is used as the matrix material.
  • the superhydrophobic nanocomposite coating method (100) of the present invention comprises the steps of
  • the coating method (100) of the present invention is developed for enhancing adsorption of the coating in obtaining superhydrophobic surfaces.
  • the nanosized hydrophobic silica and/or clay particles are modified by surfactants having fluorine groups and thus surface energies of the particles are reduced (101).
  • surfactants having - CF 2 and -CF 3 end and side groups are used.
  • the surfactants used in these preferred embodiments of the invention are ethoxysilane (C 2 H 8 OSi), methoxysilane (CHeOSi) and chlorosilane (H 3 ClSi).
  • the clay used in one embodiment of the invention is comprised of montmorillonite (MMT).
  • a polymer matrix (102) which particles with modified surfaces are then dispersed in a polymer matrix (102).
  • the matrix that is selected should comprise both a phase in which these hydrophobic particles can mix and a phase which will enhance surface adhesion capability of the coating. Therefore amphiphilic polymer matrixes with bidirectional wetting property are chosen.
  • brush polymers having reactive functional group at the ends thereof or amphiphilic block polymers are used. Hydroxy- terminated polystrene (HO-PS) can be given as an example of a brush polymer and polystrene - polymethyl methacrylate block copolymer (PS-b-PMMA) as an example of block copolymer.
  • HO-PS Hydroxy- terminated polystrene
  • PS-b-PMMA polystrene - polymethyl methacrylate block copolymer
  • a brush polymer is used as the matrix material; while the polymer main chains enable mixing with the hydrophobic particles, the reactive groups at the ends interact with the surface and form a covalent bond, and thus realize adsorption.
  • a block polymer is used as the matrix material; while one of two incompatible polymer blocks bonded to each other from the ends thereof via a covalent bond enable mixing with the hydrophobic particles, the other polymer block enables interaction with the surface and thus adsorption.
  • Both of the matrixes enable bidirectional wetting and allow both efficient dispersion of the particles and strong adsorption of the coating onto the surface at the same time.
  • This resin which is obtained upon complete dispersion of the particles within the matrix is dispersed in a solvent medium (103). It is important that the selected solvent has a polarity that is suitable for the resin.
  • the resins which are prepared with the said matrixes are preferably dissolved and dispersed within ketone groups and/or toluene groups (103).
  • Surface application of the prepared solvent-resin mixture is preferably performed via spraying technique (104). This process can be applied on all kinds of metal, polymer, wood and ceramic surfaces regardless of the surface shape.
  • the coated surface is lastly subjected to a heating process (105).
  • the temperature applied for this process is optimized taking into consideration the curing temperature of the resin that is used and the evaporation temperature of the solvent.
  • the heating process is preferably carried out at a temperature of 65-75°C.
  • temperatures within the range of 180-205°C are suitable for the heating process. Volatility level of the solvent at that temperature is effective on the period of the heating process.
  • the heating process (105) is carried out for a period of 5 minutes to 1 hour.
  • the most important feature of the superhydrophobic nanocomposite coating obtained on the surface by means of the method (100) of the present invention is that it provides both homogenous dispersion and strong adsorption at the same time and thus it provides a long term resistance to the surface even in very thin applications where transparency is important.
  • the surfaces coated with the method (100) of the present invention acquire features such as hydrophobicity, dirt repellency, non-frosting, paint nonadherence, adherence prevention. It provides long life when applied to vehicles, which are exposed to difficult conditions, such as vessels and airplanes where both aesthetics and resistance are important.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

La présente invention concerne un procédé de revêtement de nanocomposite, qui augmente l'adsorption du revêtement sur la surface sur laquelle il est appliqué, et permet d'obtenir une surface superhydrophobe, même s'il est appliqué sous la forme d'un film mince grâce à sa caractéristique de mouillage bidirectionnel, et qui comprend les étapes de réduction de l'énergie de surface de particules hydrophobes de taille nanométrique par modification de celles-ci (101), dispersion des particules modifiées dans la matrice polymère et préparation de la résine (102), dispersion de cette résine dans un milieu solvant ayant une polarité appropriée (103), application du mélange résine-solvant sur la surface (104), chauffage de la surface en prenant en considération la température de durcissement de la résine et la température d'évaporation du solvant (105).
PCT/TR2016/050208 2015-07-03 2016-07-01 Procédé de revêtement de nanocomposite superhydrophobe WO2017007439A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201508263 2015-07-03
TR2015/08263 2015-07-03

Publications (1)

Publication Number Publication Date
WO2017007439A1 true WO2017007439A1 (fr) 2017-01-12

Family

ID=56740439

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2016/050208 WO2017007439A1 (fr) 2015-07-03 2016-07-01 Procédé de revêtement de nanocomposite superhydrophobe

Country Status (1)

Country Link
WO (1) WO2017007439A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115772349A (zh) * 2022-11-14 2023-03-10 广州集泰化工股份有限公司 一种水性丙烯酸涂料及其制备方法和应用

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012003004A2 (fr) * 2010-07-01 2012-01-05 University Of Pittsburgh-Of The Commonwealth System Of Higher Education Revêtement super-hydrophobe et antigel et procédé de fabrication associé
US20120264884A1 (en) * 2011-04-12 2012-10-18 Guojun Liu Amphiphobic Surfaces from Block Copolymers
WO2012170832A1 (fr) * 2011-06-08 2012-12-13 University Of Virginia Patent Foundation Revêtements nanocomposites superhydrophobes
WO2014003852A2 (fr) * 2012-06-25 2014-01-03 Ross Technology Corporation Revêtements élastomères ayant des propriétés hydrophobes et/ou oléophobes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012003004A2 (fr) * 2010-07-01 2012-01-05 University Of Pittsburgh-Of The Commonwealth System Of Higher Education Revêtement super-hydrophobe et antigel et procédé de fabrication associé
US20120264884A1 (en) * 2011-04-12 2012-10-18 Guojun Liu Amphiphobic Surfaces from Block Copolymers
WO2012170832A1 (fr) * 2011-06-08 2012-12-13 University Of Virginia Patent Foundation Revêtements nanocomposites superhydrophobes
WO2014003852A2 (fr) * 2012-06-25 2014-01-03 Ross Technology Corporation Revêtements élastomères ayant des propriétés hydrophobes et/ou oléophobes

Non-Patent Citations (7)

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Title
BASU BHARATHIBAI J ET AL: "Surface studies on superhydrophobic and oleophobic polydimethylsiloxane-silica nanocomposite coating system", APPLIED SURFACE SCIENCE, vol. 261, 31 August 2012 (2012-08-31), pages 807 - 814, XP028951185, ISSN: 0169-4332, DOI: 10.1016/J.APSUSC.2012.08.103 *
CHAO-HUA XUE ET AL: "Long-lived superhydrophobic surfaces", JOURNAL OF MATERIALS CHEMISTRY A, vol. 1, no. 13, 21 December 2012 (2012-12-21), pages 4146, XP055107327, ISSN: 2050-7488, DOI: 10.1039/c2ta01073a *
DEAN XIONG ET AL: "Simultaneous Coating of Silica Particles by Two Diblock Copolymers", ACS APPLIED MATERIALS & INTERFACES, vol. 4, no. 5, 23 May 2012 (2012-05-23), pages 2445 - 2454, XP055106679, ISSN: 1944-8244, DOI: 10.1021/am300127d *
HANCER MEHMET ET AL: "A facile fabrication of superhydrophobic nanocomposite coating with contact angles approaching the theoretical limit", APPLIED SURFACE SCIENCE, vol. 354, 11 June 2015 (2015-06-11), pages 342 - 346, XP029298669, ISSN: 0169-4332, DOI: 10.1016/J.APSUSC.2015.05.113 *
IPEKCI HASAN H ET AL: "Superhydrophobic coatings with improved mechanical robustness based on polymer brushes", SURFACE AND COATINGS TECHNOLOGY, ELSEVIER BV, AMSTERDAM, NL, vol. 299, 12 May 2016 (2016-05-12), pages 162 - 168, XP029571217, ISSN: 0257-8972, DOI: 10.1016/J.SURFCOAT.2016.05.026 *
LIANGLIANG CAO ET AL: "Anti-Icing Superhydrophobic Coatings", LANGMUIR, vol. 25, no. 21, 3 November 2009 (2009-11-03), US, pages 12444 - 12448, XP055277003, ISSN: 0743-7463, DOI: 10.1021/la902882b *
QU ET AL: "Synthesis of composite particles through emulsion polymerization based on silica/fluoroacrylate-siloxane using anionic reactive and nonionic surfactants", ANALYTICAL SCIENCES, THE JAPAN SOCIETY FOR ANALYTICAL CHEMISTRY, US, vol. 317, no. 1, 15 November 2007 (2007-11-15), pages 62 - 69, XP022346183, ISSN: 0021-9797, DOI: 10.1016/J.JCIS.2007.09.038 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115772349A (zh) * 2022-11-14 2023-03-10 广州集泰化工股份有限公司 一种水性丙烯酸涂料及其制备方法和应用
CN115772349B (zh) * 2022-11-14 2024-03-26 广州集泰化工股份有限公司 一种水性丙烯酸涂料及其制备方法和应用

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