WO2015128802A1 - Peintures industrielles à base de carbure de silicium - Google Patents

Peintures industrielles à base de carbure de silicium Download PDF

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Publication number
WO2015128802A1
WO2015128802A1 PCT/IB2015/051381 IB2015051381W WO2015128802A1 WO 2015128802 A1 WO2015128802 A1 WO 2015128802A1 IB 2015051381 W IB2015051381 W IB 2015051381W WO 2015128802 A1 WO2015128802 A1 WO 2015128802A1
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WO
WIPO (PCT)
Prior art keywords
paint
silicon
carbide
industrial
based paint
Prior art date
Application number
PCT/IB2015/051381
Other languages
English (en)
Inventor
Kenneth ALTSHULER
Paul Herman Schmidt
Michael Ross MEHRTEN
Original Assignee
Altshuler Kenneth
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 Altshuler Kenneth filed Critical Altshuler Kenneth
Publication of WO2015128802A1 publication Critical patent/WO2015128802A1/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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/67—Particle size smaller than 100 nm
    • 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
    • C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
    • C09D5/1612—Non-macromolecular compounds
    • C09D5/1618—Non-macromolecular compounds inorganic
    • 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
    • C09D7/66—Additives characterised by particle size
    • C09D7/68—Particle size between 100-1000 nm
    • 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
    • C08K3/10—Metal compounds
    • C08K3/14—Carbides

Definitions

  • the present invention relates generally to SiC based paints. More particularly, some embodiments of the present invention relate to SiC based paints used in industrial applications.
  • Shells and algae such as barnacles, mussels, oysters, hydroids, bryozoans, tube worms, tunicates, sea weeds and the like attach themselves to and grow on untreated ship hulls, buoys, dams, feed pipes, shipping containers, pylons, docks, and other sessile and non-sessile items that have prolonged exposure in a marine (chloride rich aqueous) environment.
  • marine fouling on surfaces which account for degradation in marine item performance, such as increased friction resistance in shipping, weight increase in containers, operability of articulating devices such as hinges, cables, pulleys, etc.
  • marine fouling can account for spreading of diseases caused by microbes to otherwise healthy environments, invasive species, such as the zebra mussel, to North American environments where they cannot be adequately controlled, etc.
  • FIG. 1 is an artistic depiction of SiC in paint according to embodiments of the present invention.
  • the embodiments described herein can be categorized with intended uses that require gallons of paint for outside environmental uses and are not envisioned or capable of being used as pyro-paints (which are unstable in water - they dissolve), non-slip paints or sand papers.
  • Industrial paint used in an industrial application is a paint that is produced in tens of gallons if not thousands of gallons for items such as for painting ships, dams, docks, shipping containers, buildings, etc.
  • An industrial application is used herein to mean a setting which manufactured items such as machines or objects are painted in large scale (multiple gallons of paint) for durable use (that which is exposed to standard and extreme environmental elements and conditions generally found in habitable places on Earth).
  • non-industrial paint for non-industrial use include paint for artistic renditions (canvas paintings, for example), models, crafts or other small or even large scale hobbies.
  • SiC paint can be used to improve certain drawback to presently used paints in marine applications, bridges, containers, road signs, aerospace, airplanes, concrete, anchored boats, tramels/cylindrical drums, conveyors, shipping containers, docks, etc.
  • FIG. 1 depicts an artist rendition of a SiC based industrial paint 120 coated on a substrate 130 consistent with embodiments of the present invention.
  • SiC 110 is essentially distributed homogenously in the binder 140 generally comprising the industrial paint 120.
  • Embodiments of paints described herein can generally comprise binders (also called vehicles or resins), diluents (also called solvents), pigments and fillers, and additives.
  • a binder commonly called a vehicle, is the film-forming component of paint.
  • Binders used herein can include synthetic or natural resins such as alkyds, acrylics, vinyl- acrylics, vinyl acetate/ethylene (VAE), other vinyl esters, polyurethanes, polyesters, melamine resins, epoxy, or oils.
  • the aforementioned binders can be categorized according to mechanisms for drying or curing. In some examples, drying may refer to evaporation of solvent or thinner (lacquers). In other examples, drying refers to oxidative cross-linking of the binders and is indistinguishable from curing, such as Latex.
  • Latex is a paint binder type that depends on water-borne dispersion of sub- micrometer polymer particles. This covers all paint binders that use synthetic polymers such as acrylic, vinyl acrylic (PVA), styrene acrylic, etc.
  • latex in the context here means an aqueous dispersion in the paint binder. These dispersions are prepared by emulsion polymerization. Latex paints cure by a process called coalescence where first the water, and then the trace, or coalescing, solvent, evaporate and draw together and soften the binder particles and fuse them together into irreversibly bound networked structures, so that the paint cannot redissolve in the solvent/water that originally carried it.
  • paint binders contemplated are two package coatings that polymerize by way of a chemical reaction, and cure into a cross-linked film are epoxies or polyurethanes, urithanes reacting with isocyanate, etc.
  • paint binders can include plastisols/organosols, which are made by blending PVC granules with a plasticizer. When cured, these binders are generally durable to water (i.e., do not dissolve in water, whether salt or fresh, once cured). Paints that dissolve in water when dried or cured are not applicable to embodiments described herein.
  • Diluents or solvents contemplated can be water in a water-borne paint and in a solvent in oil based paint, for example.
  • the main purposes of the diluent are to dissolve the polymer and adjust the viscosity of the paint. It is volatile and does not become part of the paint film. It also controls flow and application properties, and in some cases may affect the stability of the paint while in liquid state. Its main function is as the carrier for the nonvolatile components. To spread heavier oils (for example, linseed) as in oil-based interior house paint, a thinner oil is required. These volatile substances impart their properties temporarily. Once the solvent has evaporated, the remaining paint is fixed to the surface.
  • Solvent-borne, also called oil-based, paints can have various combinations of organic solvents as the diluent, including aliphatics, aromatics, alcohols, ketones and white spirit. Specific examples are organic solvents such as petroleum distillate, esters, glycol ethers, and the like. In some cases, volatile low-molecular weight synthetic resins can also serve as diluents. Because a diluent may not be necessary in paint, some embodiments contemplate no diluent whatsoever.
  • Fillers contemplated herein include SiC, which provides a marine antifouling effect in the paint. SiC and other fillers thicken the paint film, support its structure and increase the volume of the paint.
  • Other filler contemplate in addition to SiC include diatomaceous earth, talc, lime, barytes, clay, titanium dioxide ( ⁇ 1 ⁇ 2), silicon dioxide (Si(3 ⁇ 4), lead, copper, aluminum dioxide (AI2O 3 ), zirconium, barium sulfate, calcium carbonate, wollanstonite (CaSi(3 ⁇ 4), red iron oxide, etc.
  • the SiC can be coated with silica, alumina, zirconium (or a combination thereof) or other material for improved spacing in the thin film, which may improve hiding performance (opacity). It is contemplated that the SiC powder be of various shapes and sizes to best fill up gaps in the paint to provide a "porous free" or low porous surface, one such that marine animals find it difficult to adhere to foul the surface. Some embodiments contemplate other aforementioned fillers included with the SiC. These other aforementioned fillers may be of different sizes to help provide a porous free surface.
  • the SiC is essentially encapsulated, which means that the bulk of the SiC is surrounded by the binders and other components in the paint. A small percentage of the SiC may be exposed on the surface of the paint when cured. SiC as a filler is essentially homogenized (uniformly mixed) in the paint when in liquid form.
  • the size of SiC and other particles used as fillers are contemplated to be in the range of between 0.05 ⁇ to 5.0 ⁇ , but preferably between 0.1 ⁇ and 0.25 ⁇ .
  • Some embodiments contemplate a variety of SiC shapes to reduce clumping together during mixing with the binder/s. Shapes can include spheres, nodules of random shape, cubes, cube-like, needles, platelets, fibers, flakes, for example.
  • Some embodiments contemplate the introduction of a first size of SiC particles (for example having an average size of 0.08 ⁇ and standard deviation of 0.02 ⁇ in a Gaussian distribution) and a second size of SiC particles (for example having an average size of 0.15 ⁇ and standard deviation of 0.02 ⁇ in a Gaussian distribution).
  • a first size for example having an average size of 0.08 ⁇ and standard deviation of 0.02 ⁇ in a Gaussian distribution
  • Other embodiments contemplate the first size being a first shape and the second size being a second shape.
  • Yet other embodiments contemplate the first size and the second size being the same shape.
  • Yet another embodiment contemplates a third size of SiC particles, etc.
  • SiC may have other impurities along with the SiC, for example approximate bulk SiC may be 98% by weight, 0-0.1% Quartz, 0-.05% Cristobalite, etc. Though there are a number of sources that can provide SiC powder/s, Saint-Gobain Ceramics and Plastics Inc.
  • Some embodiments contemplate a coating over the SiC paint to reduce clumping, improve dispersion in binder, improve dispersion regarding other fillers, create a more hostile surface to fouling creatures, etc.
  • Some SiC particle embodiments are contemplated to possess charged polar coatings substantially covering the SiC particles used for the paints. The charge can ward off sea creatures, be designed to improve corrosion resistance, etc.
  • Coatings can be metallic, polymers, ceramics. They can be applied a number of different ways, from Atomic Layer Deposition (ALD) processes to Chemical Vapor Deposition, etc., just to name a couple of examples.
  • ALD Atomic Layer Deposition
  • SiC used herein can include multiple optional polymorphs of SiC, which are different structures of SiC (such as different crystalline or amorphous structures, e.g., Face- centered-cubic (FCC) diamond structure, hexagonal, rhombohedral, etc.). Some SiC polymorphs are the same structure in two dimensions but differ in a third dimension, for example. Other embodiments contemplate additional elements in a SiC structure, SiCx, such as SiCN, for example, that can function within the spirit and scope of the present invention.
  • FCC Face- centered-cubic
  • SiC paints may incorporate large +1 micron sized platelet powders (wherein the +1 micron size is the smallest dimension and the largest dimension in many microns) in paint to contemplate a surface finish that incorporate the flat SiC platelet surface to contribute to a smooth surface with hardness durability of the SiC ( i.e., scales).
  • Such paint relies on the flat surface of the SiC platelet to be exposed to the outer surface from the paint whereby those platelets are not completely encapsulated.
  • This kind of platelet paint is intended for improving a slick surface that is different from paint used in conjunction with the SiC powders of sub 1 micron in size.
  • Pigments that can be used herein include both natural and synthetic pigments.
  • additives include catalysts, thickeners, stabilizers, emulsifiers, texturizers, adhesion promoters, UV stabilizers, flatteners (de-glossing agents), biocides, etc.
  • Additives some embodiments contemplate a SiC based paint that does not use additives whatsoever.
  • This industrial paint comprises embodiments wherein said silicon-carbide powder is not adapted as an abrasive for slip resistance when said industrial silicon-carbide based paint is cured.
  • This industrial paint comprises embodiments wherein said industrial silicon- carbide based paint is adapted for marine environments.
  • This industrial paint comprises embodiments wherein said silicon-carbide particles are coated with a different material.
  • This industrial paint comprises embodiments wherein said industrial silicon-carbide based paint is adapted for outdoor environments, such as typical outdoor weather including heat, rain, salt water, cold, and general weather exposure found throughout Earth.
  • This method further contemplates wherein said surface is an exterior surface exposed to salt water.
  • This method further contemplates wherein said exterior surface is the surface of a sea vessel.
  • said silicon-carbide powder is less than 0.2 micrometers in size.
  • said silicon-carbide powder is in a range of between 3 percent and 18 percent of said industrial silicon-carbide based paint.
  • said industrial silicon-carbide based paint when said industrial silicon-carbide based paint is cured, said industrial silicon- carbide based paint possesses an average roughness of less than 50% of the roughness of the cured paint without the SiC without any contribution to the roughness from a surface on which said paint is painted.
  • Another example can include using multiple polymorphs of SiC or SiCx powders while still maintaining improved functionality over present day antifouling paints without departing from the scope and spirit of the claimed invention.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

Cette invention concerne un appareil et un procédé associé pour la production d'une peinture industrielle à base de carbure de silicium qui comprend un liant pour peinture, un solvant pour peinture, un pigment pour peinture, et du carbure de silicium. Le carbure de silicium est sous la forme d'une poudre ayant une taille de grain moyenne qui n'excède pas 1,0 micromètre, ladite poudre de carbure de silicium étant essentiellement complètement encapsulée par le liant pour peinture quand le liant pour peinture, le solvant pour peinture, le pigment et la poudre de carbure de silicium sont mélangés à homogénéité dans la peinture à base de carbure de silicium, la peinture obtenue étant durable dans un environnement marin après qu'elle est durcie.
PCT/IB2015/051381 2014-02-25 2015-02-24 Peintures industrielles à base de carbure de silicium WO2015128802A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461944114P 2014-02-25 2014-02-25
US61/944,114 2014-02-25
US201462039345P 2014-08-19 2014-08-19
US62/039,345 2014-08-19

Publications (1)

Publication Number Publication Date
WO2015128802A1 true WO2015128802A1 (fr) 2015-09-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021043985A1 (fr) * 2019-09-04 2021-03-11 Atotech Deutschland Gmbh Composition de revêtement à base de solvant organique pour le revêtement d'une surface d'un substrat métallique pour l'augmentation du coefficient de frottement de la surface du substrat métallique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5116611A (en) * 1987-06-28 1992-05-26 Nippon Oil And Fats Company Limited Antifouling paint
US5436284A (en) * 1993-09-30 1995-07-25 Nof Corporation Coating composition
WO2000077102A1 (fr) * 1999-06-11 2000-12-21 J.C. Hempel's Skibsfarve-Fabrik A/S Composition de peinture antisalissures marine autopolissante comprenant des copolymeres qui contiennent du silicium et des fibres
US20090297720A1 (en) * 2008-05-29 2009-12-03 General Electric Company Erosion and corrosion resistant coatings, methods and articles
US20110039093A1 (en) * 2007-08-10 2011-02-17 Nippon Fusso Co., Ltd Fluororesin composite material, coating film made from the composite material and coated body with the coating film

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5116611A (en) * 1987-06-28 1992-05-26 Nippon Oil And Fats Company Limited Antifouling paint
US5436284A (en) * 1993-09-30 1995-07-25 Nof Corporation Coating composition
WO2000077102A1 (fr) * 1999-06-11 2000-12-21 J.C. Hempel's Skibsfarve-Fabrik A/S Composition de peinture antisalissures marine autopolissante comprenant des copolymeres qui contiennent du silicium et des fibres
US20110039093A1 (en) * 2007-08-10 2011-02-17 Nippon Fusso Co., Ltd Fluororesin composite material, coating film made from the composite material and coated body with the coating film
US20090297720A1 (en) * 2008-05-29 2009-12-03 General Electric Company Erosion and corrosion resistant coatings, methods and articles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021043985A1 (fr) * 2019-09-04 2021-03-11 Atotech Deutschland Gmbh Composition de revêtement à base de solvant organique pour le revêtement d'une surface d'un substrat métallique pour l'augmentation du coefficient de frottement de la surface du substrat métallique

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