WO1999039839A1 - Procede d'enrobage d'une sous-couche - Google Patents

Procede d'enrobage d'une sous-couche Download PDF

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Publication number
WO1999039839A1
WO1999039839A1 PCT/JP1999/000442 JP9900442W WO9939839A1 WO 1999039839 A1 WO1999039839 A1 WO 1999039839A1 JP 9900442 W JP9900442 W JP 9900442W WO 9939839 A1 WO9939839 A1 WO 9939839A1
Authority
WO
WIPO (PCT)
Prior art keywords
coating
powder
film
powder coating
conductive powder
Prior art date
Application number
PCT/JP1999/000442
Other languages
English (en)
Japanese (ja)
Inventor
Yoshinori Kato
Shinichi Ueda
Toshio Ohkoshi
Original Assignee
Kansai Paint Co., Ltd.
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 Kansai Paint Co., Ltd. filed Critical Kansai Paint Co., Ltd.
Publication of WO1999039839A1 publication Critical patent/WO1999039839A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • 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
    • C09D5/03—Powdery 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
    • C09D5/24—Electrically-conducting paints

Definitions

  • the present invention relates to a novel undercoating method.
  • powder coating has attracted attention as a paint excellent in terms of pollution prevention and protection of the global environment because it contains almost no volatile components such as organic solvents.
  • this coating method has the drawback that it is difficult to coat the back surface, corners or slits of the object, and it is difficult to coat an object having a complicated shape. is there.
  • an undercoating method in which an uncoated portion is electrodeposited after powder coating on an object to be coated has been considered.
  • an electrodeposition coating film is not substantially formed on a dust portion (hereinafter, sometimes referred to as a boundary portion) of the powder coating film. This has the disadvantage that the coating thickness at the boundary is reduced, resulting in poor corrosion resistance.
  • the publication also mentions white conductive powders such as titanium trioxide and lead oxide. These powders do not have sufficient conductivity, and provide sufficient conductivity. In addition, the flowability of the powder coating deteriorates due to the large amount of the compound. As a result, the smoothness of the coating film was deteriorated even in the continuous coating film portion other than the boundary portion, and as a result, the corrosion resistance of the powder coating film and the smoothness of the overcoating film were reduced. There was a problem.
  • An object of the present invention is to provide a novel undercoating method in which the above-mentioned disadvantages of the prior art are eliminated.
  • Another object of the present invention is a coating method for powder coating and electrodeposition coating on a conductive object, wherein the coating film has a smoothness at a boundary portion between the powder coating and the electrodeposition coating. It is an object of the present invention to provide a novel undercoating method which is excellent in film performance such as corrosion resistance and finish of a topcoat film.
  • the present invention provides at least one selected from a zinc oxide powder, an antimony-doped tin dioxide powder, and an antimony-doped tin dioxide-coated inorganic powder on a conductive substrate.
  • the present invention provides an undercoating method characterized by forming a coating film having a predetermined value, and then applying an electrodeposition coating to an unpainted portion, a dust portion and a thin film portion of the powder coating film. .
  • the present inventor has proposed that the conductive powder coating is applied to the surface of the conductive object to be coated in a dust portion, a thin film portion (thickness of about 5 to 30 m), and a portion having a sufficient film thickness as an undercoat ( Normally, this member is applied to a member that is coated with a gradient to a film thickness of about 30 to 60 m).
  • the electrodeposition coating film is formed to the required thickness as an undercoat on the dust and thin film portions, and the electrodeposition coating is applied to the powder coating surface where the film thickness is sufficiently ensured.
  • intensive research has been conducted.
  • the object to be used in the coating method of the present invention is a conductive object to which powder coating and electrodeposition can be applied.
  • any object conventionally used for these coatings can be used without any particular limitation.
  • aluminum, alumite, steel, zinc on the steel surface A wide range of metals, such as steel plates coated with tin, chromium, aluminum or the like, or those whose surfaces have been subjected to chemical conversion treatment with chromic acid, phosphoric acid, or the like, can be mentioned. More specifically, a vehicle body, a door for a vehicle body, a bonnet, etc. And the like are preferred.
  • the conductive powder coating used in the coating method of the present invention is to be applied to an object to be coated before the electrodeposition coating is applied.
  • the powder coating is selected from (1) zinc oxide powder, (2) tin dioxide powder doped with antimony, and (3) inorganic powder coated with tin dioxide doped with antimony. Both must contain one kind of transparent or white conductive powder. Examples of the shape of the conductive powder that can be used include a spherical shape, a needle shape, and a scale shape.o
  • the zinc oxide powder for example, a spherical zinc oxide powder having a diameter of about 0.1 to 2 m (for example, “FW-102” (trade name, white, manufactured by Sumitomo Aluminum Co., Ltd.)) , “23-K” (manufactured by Hakusui Chemical Industry Co., Ltd., trade name, white), etc. and a length of about 0.5 to: L 0 0 m, preferably about 1 to 60 wm Trapot type zinc oxide powder (for example, “Panatotra” (trade name, manufactured by Matsushita Amtec Co., Ltd., major axis: about 2 to 50 / m, minor axis: about 1 to 2 ⁇ m, white), etc.
  • a tetrapod-type zinc oxide powder is preferred.
  • the tin dioxide powder doped with antimony forms a donor level of electrons by doping a semiconducting tin dioxide component with the antimony component, thereby increasing conductivity. It was enhanced.
  • These include, for example, “SN — 100 P”, “SN — 100 DJ” (above, manufactured by Ishihara Sangyo Co., Ltd., trade name, average particle size 0.02 m, transparent), etc. Is mentioned.
  • the inorganic powder coated with antimony-doped tin dioxide is a coated product obtained by coating the inorganic powder with the tin dioxide.
  • the inorganic powder include titanium oxide, potassium titanate, aluminum borate, palladium sulfate, lithium, magnesium, silica, and the like.
  • the coated product is, for example, neutralized and hydrolyzed SnC14 // SbC13 aqueous solution in a slurry of inorganic powder in water, filtered, washed, and then calcined. It can be manufactured by grinding.
  • the shape of these coated articles can be, for example, spherical, needle-like, scale-like, or the like.
  • a spherical conductive material using titanium oxide (average particle size of about 0.05 to 1.1 ⁇ 111, particularly about 0.01 to 0.8 ⁇ m) as an inorganic powder is particularly preferred. Powder is preferred.
  • Examples of the above coated products include “ET — 300 W”, “ET — 500 W”, “ET — 600 W” (Ishihara (Trade name, manufactured by Sangyo Co., Ltd., rutile-type spherical titanium oxide coated with antimony-doped tin dioxide, average particle size 0.03 to 0.3 / zm, white) FT—100 ”,“ FT—200 ”,“ FT—300 ”(both manufactured by Ishihara Sangyo Co., Ltd., trade name, Rutile-type acicular Covered with iron-doped tin dioxide, length l to 6 / zm, white), “W-1 — P” (manufactured by Mitsubishi Materials Corporation, trade name, rutile-type spherical oxidized titanium) With a surface coated with antimony-doped tin dioxide, average particle diameter 0.2 m, white), “PASTRAN 4111”, “PASTRAN4410B”, “PASTRAN5” 110 Y ”(
  • conductive powders used in the present invention particularly preferred is a non-conductive powder coated with tin dioxide doped with antimony. It is an organic powder.
  • the conductive powder coating used in the present invention is, for example, a thermosetting powder coating prepared by using an epoxy resin, a polyester resin, or the like as a base resin and blending a crosslinking agent with the base resin. It contains the specific conductive powder described above.
  • the epoxy resin described above has an epoxy equivalent of about 200 to 50,000, an average molecular weight of about 1,000 to 800, and a softening temperature of about 60 to 150 ° C.
  • Powder resin can be used.
  • a product name for example, “Epicoco 104”, “Epicoco 102”, “Epicoco 107” (the above, oil (Product name), “Aranoredito GY — 60084”, “Araldite GY — 60097” (all manufactured by Ciba Gaygi Co., Ltd.) Name), "DER 662”, “DER-664”, “DER-667” (both manufactured by Dow Chemical Co., Ltd., trade name) and other bisphenols Roll hydrin epoxy resin, EP
  • Novolak type epoxy resin Unsaturated monomers containing epoxy groups, such as, for example, glycidyl (meta) acrylate, 3,4-epoxycyclohexylmethylinole (meta) acrylate, etc.
  • Radio Calcium homopolymers these epoxy group-containing unsaturated monomers, and, if necessary, for example, methynole (meta) acrylate, ethyl (meta) acrylate (Meta) Alkyl acrylates such as cyclohexinole (meta) acrylate or cycloalkynole estesoles, hydroxysechinole (meta)
  • Other unsaturated compounds such as hydroxyl-containing unsaturated monomers such as acrylic acid, aromatic compounds such as styrene, and nitrile compounds such as (meth) acrylonitrile.
  • Vinyl polymers such as a radical copolymer with a saturated monomer are also included.
  • bisphenol epoxide hydrin epoxy resin and novolak epoxy resin are used because of their excellent corrosion resistance and the like. Is preferred.
  • crosslinking agent for the epoxy resin a conventionally known crosslinking agent can be used without particular limitation as long as it crosslinks and cures the epoxy group of the epoxy resin. Can be done. Specifically, for example, (anhydrous) polycarbonate compound, phenolic resin, dicyandiamide, organic acid dihydrazide, and aromatic sulfonium salt Polymerization catalyst and the like.
  • Examples of the (anhydrous) polycarboxylic acid compound include adipic acid, dodecane diacid, (anhydrous) trimellitic acid, (anhydrous) succinic acid, and the like.
  • Organic acid dihydrazide examples thereof include adipic acid dihydrazide and cenosuccinic acid dihydrazide.
  • Examples of the aromatic sulfonium salts include, for example, penzinole 4-hydrophene phenol, phenol phenol, phenol phenol, phenol phenol, phenol phenol, benzophenol, benzodiol, and benzodiol.
  • polyester resin a hydroxyl group and a Z or hydroxyl group-containing polyester resin can be used, and the carboxyl equivalent and the Z or hydroxyl equivalent are about 200 to 5,000, A powder resin having an average molecular weight of about 500 to 500,000 and a softening temperature of about 60 to 150 ° C can be used.
  • the polyester resin is mainly an esterified product of a polybasic acid (or methyl ester) and a polyhydric alcohol, for example, phthalanoic acid, isoftanoleic acid, and telephthalic acid.
  • Aromatic acids such as oleic acid, tetrahydro (anhydrous) phthalic acid, hexahydro (anhydrous) phthalic acid, dimethyl isobutyl phthalate, dimethyl ethyl terephthalate
  • other polymers such as alicyclic dicarboxylic acid compounds and, if necessary, adipic acid, sepa, succinic acid, (anhydrous) maleic acid, (waterless) trimellitic acid, etc.
  • polyester resin is a carboxyl group and / or a hydroxyl group Those that have been subjected to an esterification reaction so as to have
  • the polyester resin has a hydroxyl group as a crosslinking agent for the polyester
  • the bisphenol (A, F or B) or epichlorohydrin type epoxy resin may be used.
  • examples include resins, novolak epoxy resins, polyepoxysides such as vinyl polymers, triglycidinoleic acid nucleates, and ⁇ -hydroxyalkylamides.
  • the block resin such as ⁇ -blocking compound such as an ⁇ -capillary block thiocyanate compound is used. Examples include the sigma-no-regorikorinore.
  • the blending ratio of the base resin and the crosslinking agent is preferably in the range of about 95/5 to 550 by weight.
  • the weight ratio may be in the range of 99.99 / 0.01 to 90/10.
  • Conductive powder coating for use in the present invention it either et formed coating film, 2 0 ° C, 1 in 2 5 V 0 7 ⁇ 1 0 13 ⁇ ⁇ cm, good or to rather 2 0 ° (: ⁇ ⁇ ⁇ 2 ⁇ ⁇ ⁇ cm at 25 V It has a volume resistivity value of When the volume resistivity is less than 1 0 7 ⁇ ⁇ cm, because the smoothness of the undercoating film and then sufficient film are powder coatings also electrodeposition on coating film which has a thickness was formed Ri is one Do rather poor, when Ri was Tsu uneconomical der time disadvantage there was is, whereas, in the dust portion or thin portion of the 1 0 1 exceeds 3 Omega ⁇ cm when the conductive powder Karadanurimaku There is a drawback that an electrodeposition coating film is hardly formed, and a sufficient coating film thickness as an undercoat coating film cannot be secured, resulting in poor corrosion resistance.
  • a specific conductive powder is mixed in order to adjust the coating film of the conductive powder coating material to the above-described volume resistivity.
  • the blending amount is appropriately determined according to the type of the conductive powder, but is usually about 3 to 70 parts by weight based on 100 parts by weight (solid content) of the base resin and the crosslinking agent. It preferably ranges from about 10 to 60 parts by weight.
  • conductive powder coatings include, for example, coloring pigments, fillers, flow control agents, antiblocking agents, surface control agents, antioxidants, antioxidants, and curing accelerators. Other compounds such as can be compounded as needed.
  • the conductive powder coating is produced by a conventionally known powder coating manufacturing method, for example, after blending a base resin, a cross-linking agent, a conductive powder and other compounds as necessary, followed by dry blending. Next, after melt blending, cooling, coarse grinding, fine grinding, It can be manufactured by filtration.
  • particle size of the powder coating material one that has passed about 150 mesh (less than 104 im) can be preferably used.
  • a more preferred average particle size is about 10 to 60111.
  • the conductive powder coating can be applied by a known electrostatic powder coating method, for example, a corona charging type electrostatic coating, a friction charging type electrostatic coating, or the like.
  • the conductive powder coating is baked under baking conditions under which the powder coating hardens, or under baking conditions such that the powder coating reflows when baking the electrodeposition coating (prebaking).
  • prebaking ability to apply ⁇
  • the former method of baking under the curing conditions can exert the effect of conductivity sufficiently, so the preferred baking conditions for c curing are determined by the type of conductive powder coating. For example, at about 140 to 200 ° C., the time is about 5 to 60 minutes.
  • the baking conditions for prebaking differ depending on the type of conductive powder coating, but, for example, the uncuring time of about 1 minute or more at about 40 to 140 ° C, 1 When the temperature exceeds 40 ° C., it takes about 1 to 20 minutes, at 150 ° C., about 1 to 10 minutes, and at 160 ° C., about 1 to 5 minutes.
  • the electrodeposition paint is conventionally known.
  • Cationic electrodeposition paint can be used.
  • an epoxy resin-based cationic electrodeposition paint containing an epoxy resin as a base resin can be suitably used.
  • epoxy resin-based cationic electrodeposition paints include, for example, an amide-added epoxy resin, an amide-added polyester-modified epoxy resin as a base resin, and A mixture obtained by compounding or adding a crosslinking agent such as an isocyanate and neutralized and dispersed in water can be used.
  • electrodeposition coatings using an amide-added polyester-modified epoxy resin as a base resin are not limited to corrosion resistance of the electrodeposition coating film itself, smoothness at a boundary portion, corrosion resistance, weather resistance, adhesion, etc. The effect is better when the value is better.
  • Pigments, organic solvents, curing catalysts, surfactants, etc. can be added to the cationic electrodeposition paint as necessary.
  • Cathodic electrodeposition can be performed by a conventionally known method.
  • the electrodeposition can be performed by using a cation electrodeposition paint as an electrodeposition bath, using an object to be coated as a cathode, and using a material such as a carbon plate without metal elution as an anode. You. It is desirable that the energization conditions be such that the thickness of the electrodeposited coating is about 10 to 60 m, preferably about 15 to 4 as a cured coating. After the electrodeposition coating, it is preferable to wash with an ultrafiltration filtration solution or an ultrafiltration solution.
  • the baking of the cationic electrodeposition coating film is performed by The baking condition is such that the powder coating (in the case of an uncured coating) can be cured.
  • the baking may be performed with a force that differs depending on the type of the cation electrodeposition coating film and the powder coating film, and usually, in the range of about 140 to 180 ° C, for about 20 to 40 minutes. It can be. Paint process
  • a conductive powder coating is electrostatically coated on a conductive coating object, and then baked to form a coating film having a predetermined volume specific resistance.
  • Parts that are difficult to apply by immersion and electrodeposition coating with cations for example, the back surface, inner surface, part of a corner, slit, bag, etc.
  • An electrodeposition coating film is formed on the surface, washed with water and baked to form an undercoat film. At this time, the electrodeposition coating film is sufficiently formed on the dust portion and the thin film portion of the powder coating film.
  • an intermediate paint and a topcoat is further applied.
  • a topcoat for example, a solid color paint, a metallic paint, a pearl paint, and the like can be applied.
  • a conductive powder coating material II for the present invention was obtained in the same manner as in Production Example 1, except that the amount of the conductive powder in Production Example 1 was changed from 400 g to 600 g.
  • the conductive powder was converted to Panatetra (trade name, manufactured by Matsushita Amtech Co., Ltd., trade name, Tetrapot-type oxidation with a major axis of about 2 to 50 ⁇ m and a minor axis of about 1 to 2 m)
  • Conductive powder coating material III for the present invention was obtained in the same manner as in Production Example 1 except that the amount was changed to 200 g.
  • a comparative conductive powder coating V was obtained in the same manner as in Production Example 1 except that the amount of the conductive powder was changed to 100 g in Production Example 1.
  • a 0.8 mm x 300 mm x 100 mm dull steel plate that has been subjected to zinc phosphate chemical conversion treatment is used as an object to be coated, and its film thickness is downward from the center of one surface.
  • the conductive powder coatings I to III obtained in Production Examples 1 to 3 were electrostatically powdered with a slope so that the thickness became 0 to 60 m (to increase the film thickness downward). It was coated with a coating machine and baked at 160 ° C for 30 minutes to form a conductive powder coating.
  • Formability of electrodeposited film on powder coating Determine how much electrodeposition coating is formed on the slope of about 5 to 30 m. Evaluation was based on criteria.
  • Electrodeposition coating is applied on the surface of the above-mentioned inclined powder coating film at an angle of about 25.0 to 0 m with an inclination, and the total film of the electrodeposition coating film and the powder coating is applied. Good thickness of about 30 to 30 m.
  • the electrodeposited film is electrodeposited on the surface of the inclined powder coating at an angle of about 5 to 0 m so that the total thickness of the electrodeposited film and the powder coating is about It is inferior to 15 to 30 ⁇ m.
  • the electrodeposited film is electrodeposited on the surface of the inclined powder coating so as to be inclined to be about 25 to 10 m, and the total thickness of the electrodeposited film and the powder film Is about 30 to 40 m, and an electrodeposition coating is formed on the surface of the coating film having a powder coating thickness of more than about 30 m, which is inferior.
  • Corrosion resistance at the boundary between the powder coating and the electrodeposition coating Visual inspection of the generation of ⁇ at the boundary after the salt water spray test (JISK-540) was performed for 100 hours. The evaluation was based on the following criteria.
  • A good without ⁇
  • B poor with ⁇
  • C very noticeable with ⁇ ⁇ .
  • the conductive powder coating containing the specific transparent or white conductive powder is used.
  • Conductive powder paint is applied in a dust area, a thin film area (thickness of about 5 to 30 m), and an inclined coating on a sufficiently thick part (usually about 30 to 60 m)
  • This member is When electrodeposition is applied, an electrodeposition coating film is formed as an undercoat on the dust portion and the thin film portion to a required thickness, and the electrode coating film is applied to the powder coating surface having a sufficient thickness.
  • a remarkable effect is exhibited in that the coating film is not substantially formed and the lightness of the overcoat film does not decrease or the hue does not change.
  • the smoothness and corrosion resistance at the boundary between the powder coating and the electrodeposition coating are excellent, and the powder coating is toned to the same hue as the overcoat. Since it can be used, it is possible to use even a top coat with poor concealment without any problem. In addition, even when the powder coating is not toned, the undercoat is white, so that the lightness of the top coat can be increased.

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

Abstract

L'invention concerne un procédé d'enrobage d'une sous-couche, caractérisé en ce qu'un substrat électro-conducteur à enrober est d'abord soumis à un enrobage électrostatique, à l'aide d'un enrobage en poudre électro-conducteur contenant au moins une poudre électro-conductrice blanche ou transparente. Cet enrobage est sélectionné dans le groupe constitué par une poudre d'oxyde de zinc, une poudre de dioxyde d'étain dopée à l'antimoine, et une poudre non organique enrobée d'une poudre de dioxyde d'étain dopée à l'antimoine, de manière à former un film d'enrobage possédant une résistance volumique spécifique comprise entre 10?7 et 1013¿ Φ.cm à 20 °C, à 25 V. Puis, on soumet une partie non enrobée, une partie de fine et une partie de film mince du substrat à un enrobage par électrodéposition cationique. Selon ce procédé, on peut former une sous-couche, sur un substrat électro-conducteur, présentant, par exemple, d'excellentes caractéristiques de lissage dans une région intermédiaire, entre un enrobage en poudre et un enrobage par électrodéposition. La sous-couche est également résistante à la corrosion, et permet d'obtenir un bon poli de la couche supérieure.
PCT/JP1999/000442 1998-02-03 1999-02-03 Procede d'enrobage d'une sous-couche WO1999039839A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2226898 1998-02-03
JP10/22268 1998-02-03

Publications (1)

Publication Number Publication Date
WO1999039839A1 true WO1999039839A1 (fr) 1999-08-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6776928B2 (en) 2001-01-29 2004-08-17 Akzo Nobel N.V. Conductive coating composition
US8673456B2 (en) 2005-11-15 2014-03-18 Meisei Industrial Company Limited Composite plated film and laminated film

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57130571A (en) * 1981-02-05 1982-08-13 Kansai Paint Co Ltd Coating method
JPS5876265A (ja) * 1981-11-02 1983-05-09 本田技研工業株式会社 ポリオレフイン系樹脂成形品に対する塗装用導電性プライマ−
JPH0824786A (ja) * 1994-07-18 1996-01-30 Matsuo Sangyo Kk 摩擦帯電式の粉体塗装方法及び粉体塗料組成物
JPH08309273A (ja) * 1995-05-18 1996-11-26 Kansai Paint Co Ltd 塗膜形成法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57130571A (en) * 1981-02-05 1982-08-13 Kansai Paint Co Ltd Coating method
JPS5876265A (ja) * 1981-11-02 1983-05-09 本田技研工業株式会社 ポリオレフイン系樹脂成形品に対する塗装用導電性プライマ−
JPH0824786A (ja) * 1994-07-18 1996-01-30 Matsuo Sangyo Kk 摩擦帯電式の粉体塗装方法及び粉体塗料組成物
JPH08309273A (ja) * 1995-05-18 1996-11-26 Kansai Paint Co Ltd 塗膜形成法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6776928B2 (en) 2001-01-29 2004-08-17 Akzo Nobel N.V. Conductive coating composition
US8673456B2 (en) 2005-11-15 2014-03-18 Meisei Industrial Company Limited Composite plated film and laminated film

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