WO2006073067A1 - Composition de resine presentant d'excellentes caracteristiques anticorrosives et/ou conductrices et element recouvert d'une composition de resine - Google Patents

Composition de resine presentant d'excellentes caracteristiques anticorrosives et/ou conductrices et element recouvert d'une composition de resine Download PDF

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Publication number
WO2006073067A1
WO2006073067A1 PCT/JP2005/023612 JP2005023612W WO2006073067A1 WO 2006073067 A1 WO2006073067 A1 WO 2006073067A1 JP 2005023612 W JP2005023612 W JP 2005023612W WO 2006073067 A1 WO2006073067 A1 WO 2006073067A1
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Prior art keywords
resin composition
mass
parts
resin
component
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PCT/JP2005/023612
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English (en)
Japanese (ja)
Inventor
Kazuo Kobayashi
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Shieldtechs, Inc.
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Publication of WO2006073067A1 publication Critical patent/WO2006073067A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
    • 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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • 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
    • C09D5/24—Electrically-conducting paints
    • 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
    • C09D5/32—Radiation-absorbing paints
    • 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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • 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
    • C08K7/00—Use of ingredients characterised by shape

Definitions

  • the present invention can be applied easily, has conductivity with a small amount of metal powder, and / or has excellent anti-corrosion (corrosion-preventing) properties equal to or better than zinc plating.
  • the present invention relates to a resin composition that also exhibits excellent shielding properties for blocking electromagnetic waves, and a resin-coated member coated with such a resin composition.
  • Metal spraying methods are known in which zinc or aluminum is melted with a gas flame, arc, etc., adhered to the surface of steel materials, etc., and prevented by applying a sacrificial anode reaction due to the potential difference between the metals (for example, JP-A-2001-271152, JP-A-9-125221, JP-A-9-3614, JP-A-8-176781, and the like.
  • melt-sealing method has a corrosion resistance of 10 to 15 years
  • a large-scale plant for immersing the workpiece in molten zinc or the like is necessary to implement it.
  • sheet steel is not applicable to long steel materials due to problems such as melting temperature, immersion pool, and distortion of workpieces due to high temperatures.
  • the metal spraying method has a feature that a functional surface such as a zinc'aluminum alloy is directly formed on the surface of the steel material.
  • a functional surface such as a zinc'aluminum alloy is directly formed on the surface of the steel material.
  • mechanical equipment for metal spraying suction gun, power supply device, blower, wire rod take-out device, spraying extension cord, etc.
  • construction efficiency is also a determinant of craftsman's technology.
  • the steel structure surface is subjected to shot blasting or sand blasting, and an anchor effect is exhibited using a rough surface forming agent. Pre-processing is required. Furthermore, if the metal spray surface is made thicker in order to enhance the effect of metal spraying, there is a problem in that the adhesiveness such as peeling of the metal spray layer is deteriorated due to the generation of internal strain and residual stress due to the difference in heat dissipation effect. In addition, since a spongy hole is formed on the surface of the sprayed material, it is pointed out that a further sealing process is required.
  • the electromagnetic wave shielding methods that have been proposed so far also include the following: Problems have been pointed out.
  • the method of pasting metal plates and pasting shield plates mixed with conductive fillers into building materials cannot be applied to narrow parts, complex shapes, uneven surfaces, mating parts, etc.
  • the construction cost is high in terms of profitability.
  • conductive shield paints narrow areas, complex shapes, and uneven parts can be applied and electromagnetic leakage can be prevented.
  • Organic paints and organic solvents are used for paint components.
  • the present invention has been made under such circumstances, and the object thereof is to enable easy painting while producing the advantages of the conventional anti-corrosion (corrosion-prevention) method, and to melt the force. Exhibits superior antibacterial and conductive properties equivalent to those of metal plating, eliminates the need for additional processing such as sealing that prevents thermal embrittlement in the base material, and eliminates the risk of residual stress even when applied thickly. As a non-polluting antifungal agent that can be applied to prevent deterioration, it further eliminates the problems associated with conventional electromagnetic shielding technology, and has a uniform coating structure with the conventional coating method regardless of the construction site. It is an object of the present invention to provide a resin composition useful as a pollution-free electromagnetic wave shielding agent that exhibits characteristics, and a resin-coated member in which such a resin composition is coated on a substrate surface.
  • the resin composition of the present invention that has achieved the above-mentioned object is: (a) Zn and Z or A1 formed in a scale-foil-like fine powder; and (b) formed in a scale-foil-like fine powder.
  • the gist is that a fine powder of clad scale foil of a dissimilar metal containing at least one of Cu and / or Ni is blended with a resin.
  • This resin composition is preferably blended with a powder or alloy powder of one or more elements selected from the group power consisting of Mn, Mg, Mo, Li, C and Ag, if necessary.
  • the resin used in the resin composition of the present invention has a general formula: R 1 Si (OR 2 ) (wherein R 1 Is a hydrocarbon group having from 10 to 10 carbon atoms, R 2 is an alkyl group having 1 to 3 carbon atoms, 2 to
  • Curable silicone resin comprising a silanic compound or a partially hydrolyzed condensate thereof, which is an acyl group of 3 or an alkoxyacyl group of 3 to 5 carbon atoms, and N is an integer of 0 to 2. Is mentioned.
  • the resin composition of the present invention may also contain (1) a metal alkoxide (excluding Si alkoxide) or lithium hydroxide (LiOH), whereby the resin composition These characteristics can be further improved.
  • a metal alkoxide excluding Si alkoxide
  • LiOH lithium hydroxide
  • FIG. 1 is a graph showing the electric field shielding effect of a resin composition measured over a wide frequency range.
  • FIG. 2 is a graph showing the magnetic field shielding effect of a resin composition measured over a wide frequency range.
  • the present inventor has intensively studied to achieve the above object. As a result, (a) Zn and / or A1 formed on the scale-like fine powder and (b) Cu and / or Ni formed on the scale-like fine powder.
  • the inventors have found that a resin composition that can achieve the above-mentioned object can be realized by using a metal clad scale foil powder in a resin, and the present invention has been completed.
  • the components (a) and (b) above are used in the form of a scale-foil fine powder, and the "scale foil-like fine powder” means a flaky fine powder, It can be manufactured by applying a ball mill.
  • the A1 foil can be made into an aluminum scale foil-like fine powder by the above method.
  • the components (a) and (b) formed into a scale-foil-like fine powder as appropriate and applying impact pressure in an inert atmosphere with a vibration mill, etc. Due to the electrostatic effect of impact energy, other powders are irregularly pressed onto the powder surface, resulting in a clad scale foil fine powder.
  • the resin composition of the present invention contains at least one of the above-mentioned components (a) and (b).
  • the combination of clad scale fine powder is not necessarily the component (a) and (b).
  • the clad scale fine powder is composed of (a) components or (b) components.
  • Zn powder and A1 powder formed into a scale-foil-like powder are pulverized into fine pieces with a vibration mill, so that the surface of the Zn scale foil powder, which is the base material, has irregularly low A1 scale powder. And then clad by completely or partially coating the surface of the Zn powder to form a composite material of dissimilar metals.
  • the component (a) is a scale-like Zn and Z or A1 fine powder.
  • the size (particle diameter) is preferably about 10 to 50 ⁇ m, and the thickness 1 to about 10 ⁇ m. More preferably, the size is 15 to 30 / im and the thickness is 2 to 6 ⁇ .
  • the component (b) is a scale-like Cu and / or Ni fine powder.
  • the strength (particle size) is preferably about 10-30 ⁇ m and the thickness is about 0.5-5 ⁇ m. More preferably, a size of 10 to 20 / m and a thickness of 1 to 3 / m are good.
  • the blending ratio of the clad scale fine powder to the resin is preferably 50% by mass or more. However, when it is excessively blended, the ratio of the resin is reduced. Since the paintability deteriorates, it is preferable to make it 60% by mass or less.
  • the clad scale fine powder used in the antifungal agent of the present invention preferably has a size (particle size) of about 10 to 50 ⁇ m and a thickness of about 1 to 8 ⁇ m. Preferably size 20-40 m, thickness It should be 2-5 ⁇ m.
  • the ratio at which each component is clad may be appropriately set.
  • the zinc component is 70 to 95 masses with respect to the total mass of Zn and A1.
  • the range of about 85% by mass to 95% by mass is preferable.
  • the volume with respect to the ratio of zinc and aluminum is closer to the same capacity, the sacrificial anode effect due to the difference in standard electrode potential becomes more prominent.
  • A1 standard electrode potential is _1.662V
  • zinc standard electrode potential-0.762V iron standard electrode potential by laminating each component Since the voltage is 0.447V, the sacrificial anode effect due to the potential difference between them improves the fender resistance.
  • the component (a) contributes to improvement of anti-mold properties, and the component (b) contributes to conductivity (electromagnetic wave shielding property). What is necessary is just to set arbitrarily about the blending ratio of (a) component and (b) component according to the characteristic requested
  • the resin composition of the present invention if necessary, it is also useful to blend a powder or alloy powder of one or more elements selected from the group consisting of Mn, Mg, Mo, Li, C and Ag. .
  • These components reduce the gap between the powder particles in the resin, thereby making the dispersed state of the powder particles more airtight, further improving the uniformity of the metal powder in the resin and the uniform coating film structure.
  • These components are also effective for imparting conductivity, as in the case of component (b). In order to exert these effects, it is appropriate that the mixing ratio of the resin is about:! To 12% by mass.
  • C powder (graphite powder) formed in a scale foil shape is particularly preferable.
  • the size (particle size) is preferably about 1 to 10 zm.
  • the resin used in the resin composition of the present invention various resins such as a modified silicone resin and a curable silicone resin can be used, and the type of the resin is not particularly limited.
  • the silane compound represented by 1) or a partially hydrolyzed condensate thereof is preferably a curable silicone resin.
  • the curable silicone resin is conventionally a so-called silicone varnish solution in which a curable silicone resin having a terminal silanol group is dissolved in an organic solvent such as toluene or xylene. Although it is frequently used, this has the following problems (1) and (2).
  • An organic solvent having a low flash point is an essential component.
  • a silicone alkoxy oligomer obtained by partial (co) hydrolytic condensation of organoalkoxysilane; If necessary, the addition of a curing catalyst that promotes moisture curing of this silicone alkoxy oligomer is studied, and by using a resin represented by the general formula (1) described below, curing at room temperature is possible, It can also be applied to maintenance of steel structures and indoor / outdoor electromagnetic shielding construction.
  • inorganic zinc paints There are two types of inorganic zinc paints that have been used in the past: a type in which powders such as zinc are mixed with an inorganic high molecular silicone paint system immediately before use, and a type that is washed with modified silicone. Conductivity cannot be exhibited unless zinc powder: 90-96 mass% is included as a solid component.
  • organic or inorganic antifouling paints mixed with simple scale metal powder, but since it is a mixture of simple metal powders, the anti-fouling (anticorrosion) effect becomes uneven due to irregular arrangement in the coating film.
  • the zinc powder as a metal solid component 90-96% by mass.
  • the resin composition according to the present invention conductivity can be imparted by adding a small amount of clad scale foil powder, and good anti-corrosion (anticorrosion) properties can be secured. .
  • the formed surface becomes rough and porous, so that the effect is not exhibited unless the film thickness is 100 ⁇ m or more.
  • the effect is exhibited even when the film thickness is about 50 ⁇ m.
  • excellent workability that can be applied simply as in the conventional coating method, and even if the amount of metal powder is reduced, the resulting film is an inorganic zinc paint, an organic 'inorganic antifouling paint. Excellent, equal to or better than hot dip galvanizing and metal spraying In addition to exhibiting antifungal properties, it has various advantages such as the need for troublesome post-treatment such as sealing treatment.
  • the hydrolyzable reactive group _OR (a) of the curable silicone resin undergoes a hydrolysis reaction, and the metal surface ( It can adsorb to the hydroxyl group of Me) by hydrogen bonding, and then chemically dehydrate (Me_O_Si_ ⁇ R) by dehydrating condensation reaction to form a film that adheres firmly to the steel structure.
  • clad scale fine powder is a heterogeneous metal bond (for example, OR-Al-O-Si-O-Zn-O-Si_ ⁇ R) formed by partial hydrolysis or dehydration condensation reaction. Therefore, the cured silicone resin has no residual harmful components and has excellent weather resistance. It shows some non-polluting protection (corrosion protection).
  • the curable silicone resin preferably used in the present invention contains an alkoxysilyl group, which is a silane compound represented by the following general formula (1), or a portion thereof (both). One or a mixture of two or more hydrolysis condensates.
  • R 1 in the general formula (1) may be the same or different and is an unsubstituted or substituted monovalent hydrocarbon group having!: 10 to 10 carbon atoms, specifically a methyl group or an ethyl group. , Propyl group, butyl group, hexyl group, octyl group, decyl group, etc. alkyl group, cyclohexyl group, etc. cycloalkyl group, vinyl group, aryl group etc., alkenyl group, phenyl group, tolyl group, etc.
  • the aryl group is exemplified.
  • R 2 is an alkyl group having 1 to 3 carbon atoms, an acyl group having 2 to 3 carbon atoms, or an alkoxyalkyl group having 3 to 5 carbon atoms, specifically a methyl group, an ethyl group, Propyl group, Isopropyl group power Alkyl groups selected, acyl groups such as acetyl groups, methoxyethyl groups, ethoxyethyl groups, propoxycetyl groups, methoxypropyl groups, ethoxypropyl groups, and other alkoxyalkyl groups.
  • the ratio of the partial (co) hydrolysis condensate is preferably 60 mol% or less in the curable silicone resin.
  • a (co) hydrolysis condensate is used in combination, toughness and flexibility are imparted to the cured coating, but if the amount is too large, sufficient crosslinking density cannot be obtained. May decrease.
  • silane compounds and partial (co) hydrolysis condensates thereof include tetramethoxysilane, tetraethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, methyltriisopropoxysilane, Methyltriacetoxysilane, methyltris (methoxyethoxy) silane, methyltris (methoxypropoxy) silane, etyltrimethoxysilane, propyltrimethoxysilane, butyltrimethoxysilane, hexyltrimethoxysilane, octyltrimethoxysilane, decyl Trimethoxysilane, cyclohexyltrimethoxysilane, vinyltrimethoxysilane, butyltriethoxysilane, allyltrimethoxysilane, phenyltrimethoxysilane, phenyltrimethoxysilane,
  • R 1 in the general formula (1) is a group selected from a methyl group and a phenyl group
  • R 2 is a group selected from a methyl group and an ethyl group.
  • methyltrimethoxysilane, methyltriethoxysilane, phenyltrimethoxysilane, phenyltriethoxysilane, dimethyldimethoxysilane, dimethylenogetoxysilane, diphenylenole are preferable. Examples include dimethoxysilane and dipheninoresiethoxysilane.
  • the partial (co) hydrolysis condensate a dimer of the above silane compound (1 mol of water is allowed to act on 2 mol of the silane compound and 2 mol of alcohol is eliminated).
  • Siloxane units) to 100 mer, preferably 2 to 50 mer, more preferably 2 to 30 mer can be suitably used, and two or more silane compounds are used as raw materials.
  • the (co) hydrolysis condensate can also be used.
  • the above-mentioned silane compound or a partial (co) hydrolysis condensate thereof may be used alone, but two types having different structures are used.
  • the above silane compound or partial (co) hydrolysis condensate may be used, or the silane compound and partial (co) hydrolysis condensate may be used in combination.
  • partial (co) hydrolysis condensate is an essential component from the viewpoint of volatility during mixing and coating of components, workability, ease of curability control, and the amount of alcohol generated by moisture curing. It is preferable to do.
  • partial (co) hydrolysis condensate as described above, those commercially available as silicone alkoxy oligomers can be used, but less than an equivalent amount of hydrolyzable silane compound can be added based on a conventional method. It can be produced by removing by-products such as alcohol and hydrochloric acid after reacting with the decomposed water.
  • an acid such as hydrochloric acid or sulfuric acid, an alkali metal such as sodium hydroxide or potassium hydroxide, or an alkali
  • alkaline earth metal such as alkaline earth metal hydroxide or triethylamine
  • the viscosity (mechanical properties) of curable silicone resin component at 25 ° C The silane compound described above for the purpose of adjusting viscosity and curability is preferably 1 to 200 mPa's, more preferably 5 to 50 mPa's, and even more preferably 10 to 30 mPa's. It can be used, and in some cases, it is also acceptable to use a solvent component such as alcohol together.
  • a silane coupling agent having an epoxy group, amino group, mercapto group or the like is added for the purpose of improving the adhesion to the substrate, or a silanol group-containing silicone resin is used for the purpose of improving the coating film properties. It is also possible to use parts together.
  • metal alkoxide lithium hydroxide
  • metal alkoxides enter between the three-dimensional cross-links formed by the curable silicone resin, and the metal ions released by reaction with moisture improve the conductivity of the film, resulting in sacrificial anodic action and electromagnetic shielding properties.
  • the anti-magnetic effect “electromagnetic wave shielding effect” can be improved.
  • alkoxide As the type of metal alkoxide, various alkoxides such as Al, Li, Sn, Zr, Fe, and Zn can be used. From the viewpoint of metal ionicity, Si alkoxide cannot be adopted. Among these, A1 alkoxide can be preferably used because it has a high effect of increasing conductivity.
  • the alkoxy group may include a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group, a butoxy group, a hexenoreoxy group, and a phenoxy group. In view of easiness, an isopropoxy group is preferred. Particularly preferred is aluminum triisopropoxide.
  • the above metal alkoxide is used, it is good in combination with alcohols.
  • the alcohol used at this time monohydric alcohols are preferable, and 2-propanol is particularly preferable.
  • the content of the metal alkoxide is preferably in the range of! To 20 parts by mass with respect to 100 parts by mass of the resin component from the viewpoint of the ratio of the metal powder and the metal ions and the prevention of gelling of the silicone resin. 8: The range is 15 parts by mass.
  • Li ions impart conductivity to the silicone resin, thereby forming the curable silicone resin. It can penetrate between the three-dimensional cross-linking, improve the conductivity of the film, enhance the sacrificial anodic action and electromagnetic wave shielding characteristics, and improve the antibacterial effect and electromagnetic wave shielding effect.
  • Lithium hydroxide has the ability to use hydrates and hydrates S, and if hydrates are mixed with curable silicone resin, viscosity increases easily due to hydrolysis reaction. It is preferable to use a non-hydrate.
  • the content is preferably in the range of 0 :! to 5 parts by mass with respect to 100 parts by mass of the resin component, preferably 0.5-2 parts by mass Part range.
  • the resin composition of the present invention (when a curable silicone resin is used)
  • a curing catalyst for moisture curing the curable silicone resin containing an alkoxysilyl group may be used.
  • Such curing catalysts include acids such as phosphoric acid; organic amines such as triethanolamine; organic amine salts such as dimethylamine acetate; quaternary ammonium salts such as tetramethylammonium hydroxide; carbonic acid Alkali (earth) metal salts of organic acids such as sodium hydride; Aminoalkylsilane compounds such as ⁇ -aminopropyltriethoxysilane; Carboxylic acid metal salts such as zinc octylate; Organic tin compounds such as dioctyltin dilaurate; Examples thereof include titanic acid esters such as tetraisopropyl titanate and tetrabutyl titanate; metal chelate compounds such as acetylacetone aluminum salt.
  • the blending amount of the curing catalyst varies depending on the type of the curable silicone resin component and the curing catalyst to be used and the desired curing rate, but the curability and the work can be increased or decreased. Generally, it is preferable that the amount be in the range of 0.:! To 20 parts by mass with respect to 100 parts by mass of the curable silicone resin component, because the properties, storage stability, and coating film properties are adversely affected. It is good to mix in the range of 5-10 parts by mass.
  • the resin composition of the present invention includes various pigments, dyes, fillers, adhesion improvers, leveling properties in addition to the above components within the range that does not interfere with the effects of the present invention depending on the purpose of use. It is optional to add improvers, inorganic and organic ultraviolet absorbers, storage stability improvers, plasticizers, anti-aging agents, and the like.
  • the clad scale fine powder may be mixed in the resin. Specifically, first, the resin component and the metal alkoxide were sufficiently mixed. In a dispersion stirrer, a predetermined amount of (a) component and / or (b) component force, clad scale-foil fine powder is added and mixed, and stirred for 60 minutes to 120 minutes. In this mixing, it is preferable to carry out in a nitrogen atmosphere for the purpose of preventing hydrolyzable groups such as alkoxy groups from being hydrolyzed due to water mixing.
  • steel materials such as steel and pig iron are representatively exemplified for the purpose of imparting antifungal properties
  • wood, gypsum board material, concrete-based material, and plastic material can be mentioned.
  • the coating method (coating method) at this time include a dipping method, a spray method, and a brush coating method, and it is also possible to perform on-site coating.
  • the coating amount of the resin composition may vary depending on the type and purpose of the substrate. Generally, it is preferable that the coating thickness after curing is in the range of 150 to 30 ⁇ . Is in the range of 100-60 ⁇ m.
  • the curing conditions of the resin composition are not particularly limited.
  • the resin composition is cured by moisture in the air to form a film. It can be dried by allowing it to stand for 30 minutes to 2 hours in an ambient atmosphere (surface tack free state), and the curing reaction can be completed by leaving it for several hours to several days.
  • it is optional to further heat-treat the substrate to be coated as long as it does not adversely affect the properties of the coating film, but the initial stage force of the drying process is exposed to high temperatures. It is preferable because the silane compound in the solvent evaporates and the moisture necessary for curing is not supplied. It ’s not good.
  • the resin composition according to the present invention bonds dissimilar metals in a bridge shape by chemical bonding, becomes stronger with time due to sharing of internal electrons between metals, and bonds semi-permanently without cracking or peeling.
  • a film coated with such a film on the surface of the base material is a resin composition-coated member having excellent antifungal properties and / or conductivity.
  • Clad component ratio is 100% by mass of zinc / aluminum fine powder, zinc powder: 88% by mass, aluminum powder: 12% by mass; Size (particle size): 20-40 / m , Thickness: ⁇ 5 xm (purity 98%)
  • A- 2 cladding component ratio, with respect to zinc Z aluminum fine powder per 100 wt%, zinc powder: 90 mass 0/0, aluminum powder: 10 mass 0/0; size (particle diameter): 20 -40 ⁇ m, thickness 4-7 xm (purity 98%)
  • Clad component ratio is 100% by mass of nickel Z aluminum fine powder, nickel powder: 90% by mass, aluminum powder: 10% by mass; Size (particle size): 15-30 ⁇ m , Thickness 3-6 ⁇ m (purity 98%)
  • Clad component ratio is 100% by mass of nickel Z copper fine powder, nickel powder: 98 % by mass, copper powder: 2 % by mass; size (particle size): I 5 ⁇ : 30 am, thickness 3-6 ⁇ m (purity 98%)
  • A-5 Clad component ratio is 100% by mass of zinc / aluminum / copper fine powder, zinc powder: 90% by mass, aluminum powder: 9.5% by mass, copper powder: 0.5% ; Size (particle size): 20-40 ⁇ m, thickness 4-7 / im (purity 98%)
  • A-6 Nickel powder: 95% by mass, aluminum powder: 5% by mass, clad component ratio of 100% by mass of nickel / aluminum fine powder; Size (particle size): 15-30 / i m , thickness 3-6 ⁇ m (purity 98%)
  • Clad component ratio is nickel Z copper Z aluminum fine powder total 100 mass%, nickel powder: 99.5 mass%, copper powder: 0.4 mass%, aluminum powder: 0.1 mass%; Particle size): 15-30 xm, thickness 3-6 zm (purity 98%)
  • Component (C) metal alkoxide or lithium hydroxide
  • Example 1 The amount of each component used in Example 1 was the same as in step (2) except that (A) component (A-2): 100 parts by mass was prepared, and a resin composition was obtained. It was. The viscosity of this resin composition was 50 mPa's.
  • Example 1 The amount of each component used in Example 1 was determined as (B-2): 18 parts by mass, (B-3): 68 parts by mass as the curable silicone resin of component (B) in step (1). Part (B-5): 2 parts by mass was stirred and mixed, and (D-2): 2 parts by mass was added and mixed as a curing catalyst to obtain a resin composition. The viscosity of this resin composition was 90 mPa's.
  • step (1) the amount of each component used in Example 1 was determined as (B-1): 40 parts by mass, (B-4): 30 parts by mass as the curable silicone resin of component (B). (B-5): Stir 12 parts by mass The mixture was stirred and the same adjustment was performed except that (D-1): 8 parts by mass was added and mixed as a curing catalyst to obtain a resin composition.
  • the viscosity of this resin composition was 90 mPa's.
  • step (2) the amount of each component used in Example 1 is (A) as component (A-3)
  • Example 6 (1) The amount of each component used in Example 6 was prepared in steps (4), (B), (C), and (D) in step (4): 45 parts by mass, and in steps (2) and (3) Components (A), (F), (G): 55 parts by weight were mixed, and the mixture was sufficiently stirred and mixed in a nitrogen atmosphere while maintaining at 28 ° C or lower by water cooling using a dispersion stirrer. Operation was performed to obtain a resin composition. The viscosity of this resin composition was 50 mPa's.
  • Example 8 (1) Prepare the amount of each component used in Example 6 in step (1) as (A) component (A-7): 8.3 parts by mass and (E) component (El): 86.2 parts by mass in step (1) did.
  • step (4) 100 parts by mass, further as solvent (D-3): 5 parts by mass
  • the mixture was stirred and mixed to obtain a resin composition.
  • the viscosity of this resin composition was 55 mPa's.
  • a resin composition was obtained in the same manner as in Example 9 except that the amount of each component used in Example 9 was prepared in step (2) except that (A) component (A_5): 100 parts by mass was prepared.
  • the viscosity of this resin composition was 50 mPa's.
  • Example 9 (1) The amount of each component used in Example 9 was determined in the step (1) as (B) component curable silicone resin (B-4): 18 parts by mass, (B-3): 78 masses. Part, (B-5): 2 parts by mass The mixture was stirred and the same adjustment was performed except that (D-2): 2 parts by mass was added and mixed as a curing catalyst to obtain a resin composition.
  • the viscosity of this resin composition was 70 mPa's.
  • step (1) the amount of each component used in Example 9 was determined as (B-1): 49 parts by mass, (B-4): 30 parts by mass, as the curable silicone resin of component (B). (B-5): 12 parts by mass was stirred and mixed, and the same adjustment was performed except that (D-1): 8 parts by mass was added and mixed as a curing catalyst to obtain a resin composition.
  • the viscosity of this resin composition was 90 mPa's.
  • Example 1 The amount of each component used in Example 1 was adjusted in the same manner as in step (2) except that (A-6): 100 parts by mass was prepared as component (A) to obtain a resin composition.
  • the viscosity of this resin composition was 80 mPa's.
  • Example 14 The amount of each component used in Example 14 is the same as that in step (4) in (B), (C), and (D) components.
  • the viscosity of this resin composition was 60 mPa's.
  • Example 14 (1) The amount of each component used in Example 14 was determined in step (2) as (A) component (A-7): 89.5 parts by mass and (E) component (E-1): 5 A mass part was prepared.
  • Mixture of components (B), (C) and (D) prepared in step (4): 40 parts by mass, and (E), (F) and (G) prepared in steps (2) and (3) Ingredients: 60 parts by mass were blended, and the mixture was thoroughly stirred and mixed in a nitrogen atmosphere while maintaining a temperature of 28 ° C. or less by water cooling using a dispersion stirrer.
  • step (1) the amount of each component used in Example 1 was stirred and mixed in (B-1): 72 parts by mass, (B2): 18 parts by mass, (B-5): 2 parts by mass, Further, 8 parts by mass of (D 1) as a curing catalyst was added and mixed and stirred. At this time, the component (C) was not used, and the same adjustment was carried out except for that to obtain a resin composition.
  • the viscosity of this resin composition was 60 mPa's.
  • a galvanized steel sheet was prepared.
  • This zinc-plated steel sheet is obtained by immersing a test piece of the same size as the test piece prepared in the example to have a coating thickness of 60 ⁇ m.
  • Organic Gintari Paint was prepared. An acrylic resin product with a zinc content of 98% by mass was used.
  • An inorganic Zintari paint was prepared.
  • An acrylic silicate resin product with a zinc content of 98% by mass was used.
  • Step (2) the amount of each component used in Comparative Example 1 is (E-1): 94 parts by mass, (F-1): 94 parts by mass, (F-1): 94 parts by mass, (F-1): 94 parts by mass, (F-1): 94 parts by mass, (F-1): 94 parts by mass, (F-1): 94 parts by mass, (F-1): 94 parts by mass, (F-1): 94 parts by mass, (F
  • each of the above resin compositions was evaluated for antifungal properties and electromagnetic wave shielding properties by the following methods.
  • an antifungal test is performed about Example:!-5, 9-: 13, comparative example:!-4, and electromagnetic shielding property is Example 6-8, 14-: 16, comparative example 5-7. Went about.
  • a cast test for accelerated durability test which is a kind of galvanizing test for each of the above test pieces.
  • the antifungal property was evaluated by observing the presence or absence of wrinkles visually by conducting an antifungal test in accordance with H8520) (test temperature: 50 ⁇ 2 ° C, 360 hours).
  • the electromagnetic shielding properties were measured by Advantest (near electromagnetic field). At this time, remove the dust and dirt from the surface of the plywood (5mm x 200mm x 200mm) and apply the resin composition so that the coating thickness is 80 ⁇ m when dried with an air spray gun. The sample was left to stand for 7 days in an atmosphere of temperature: 25 ° C and humidity: 55% to form a cured film, which was used as a test piece.
  • Cu and / or Ni at least The clad scale fine powder of dissimilar metal, which contains any force, can be easily applied by blending with the resin, and it has conductivity and / or a small amount of metal powder.
  • a resin composition that has excellent anti-corrosion (corrosion-prevention) properties equivalent to or better than zinc plating and that also exhibits excellent shielding properties to block electromagnetic waves has been realized.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

La présente invention se rapporte à une composition de résine comportant une résine mélangée à une micropoudre de formation d'écailles de divers types de métaux contenant au moins soit (a) Zn et/ou Al associés pour constituer une micropoudre de formation d'écailles ou (b) Cu et/ou Ni associés pour composer une micropoudre de formation d'écailles. Cette composition de résine peut être facilement appliquée sur un matériau de base selon un procédé classique empêchant la corrosion (anticorrosif). Cette composition de résine présente des caractéristiques anticorrosives et conductrices excellentes, au moins équivalentes à celles obtenues avec une galvanisation par immersion à chaud. La composition de résine de cette invention permet de supprimer la friabilité thermique observée dans des matériaux de base et elle ne requiert aucun traitement supplémentaire, tel qu'un traitement de bouchage des pores. Cette composition de résine est disponible sous la forme d'un agent anticorrosif non polluant qui, même lorsqu'il est utilisé en couche épaisse, ne provoque aucune contrainte résiduelle et permet une qualité d'exécution susceptible de résoudre les problèmes de dégradation liée au vieillissement. Cette composition de résine est disponible en tant qu'agent de protection contre les ondes électromagnétiques, non polluant, qui résout les problèmes des techniques classiques de protection contre les ondes électromagnétiques et présente des caractéristiques de protection contre les ondes électromagnétiques avec une structure de film de revêtement uniforme formée par un procédé d'application classique permettant simultanément ne pas avoir à sélectionner un emplacement d'exécution. En outre, l'invention se rapporte à un élément recouvert de cette résine ayant une surface d'un matériau de base recouvert de cette composition de résine.
PCT/JP2005/023612 2005-01-06 2005-12-22 Composition de resine presentant d'excellentes caracteristiques anticorrosives et/ou conductrices et element recouvert d'une composition de resine WO2006073067A1 (fr)

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WO2011092366A1 (fr) * 2010-01-29 2011-08-04 Hilatura Científica Atais, S.L. Revêtement de base pour la protection contre les champs électromagnétiques
JP2016160446A (ja) * 2015-02-27 2016-09-05 日立造船株式会社 溶射材料およびその製造方法、溶射方法並びに溶射製品
CN108475552A (zh) * 2015-12-29 2018-08-31 3M创新有限公司 用于高频电磁干扰(emi)应用的复合物
CN113789521A (zh) * 2021-09-23 2021-12-14 安徽天元创涂新材料科技有限公司 一种喷射除锈液及喷射除锈方法

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JP6087499B2 (ja) * 2011-10-18 2017-03-01 信越化学工業株式会社 熱伝導性シリコーン組成物
CN104395418B (zh) * 2012-07-20 2016-10-26 中国涂料株式会社 一次防锈涂料组合物及其用途
JP5605598B1 (ja) * 2013-03-19 2014-10-15 株式会社シールドテクス 防錆剤組成物
JP2016008755A (ja) * 2014-06-24 2016-01-18 株式会社東芝 熱交換器，防食方法
WO2019087286A1 (fr) * 2017-10-31 2019-05-09 日立化成株式会社 Composition de formation de matériau barrière, matériau barrière, procédé de production de matériau barrière, produit et procédé de production de produit
EP4144801A1 (fr) * 2020-05-01 2023-03-08 Shoei Chemical Inc. Composition de résine électroconductrice et procédé de fabrication d'un composant électronique
WO2021220975A1 (fr) * 2020-05-01 2021-11-04 昭栄化学工業株式会社 Procédé de fabrication de composant électronique

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WO2011092366A1 (fr) * 2010-01-29 2011-08-04 Hilatura Científica Atais, S.L. Revêtement de base pour la protection contre les champs électromagnétiques
JP2016160446A (ja) * 2015-02-27 2016-09-05 日立造船株式会社 溶射材料およびその製造方法、溶射方法並びに溶射製品
CN108475552A (zh) * 2015-12-29 2018-08-31 3M创新有限公司 用于高频电磁干扰(emi)应用的复合物
CN108475552B (zh) * 2015-12-29 2022-07-12 3M创新有限公司 用于高频电磁干扰(emi)应用的复合物
CN113789521A (zh) * 2021-09-23 2021-12-14 安徽天元创涂新材料科技有限公司 一种喷射除锈液及喷射除锈方法

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