WO2015049919A1 - ドラム電極、ドラム電極の製造方法、めっき装置、樹脂成形体の製造方法及び金属多孔体の製造方法 - Google Patents

ドラム電極、ドラム電極の製造方法、めっき装置、樹脂成形体の製造方法及び金属多孔体の製造方法 Download PDF

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WO2015049919A1
WO2015049919A1 PCT/JP2014/070568 JP2014070568W WO2015049919A1 WO 2015049919 A1 WO2015049919 A1 WO 2015049919A1 JP 2014070568 W JP2014070568 W JP 2014070568W WO 2015049919 A1 WO2015049919 A1 WO 2015049919A1
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Prior art keywords
drum electrode
metal
electrode
plating
drum
Prior art date
Application number
PCT/JP2014/070568
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English (en)
French (fr)
Japanese (ja)
Inventor
英彰 境田
細江　晃久
西村　淳一
奥野　一樹
弘太郎 木村
健吾 後藤
Original Assignee
住友電気工業株式会社
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Application filed by 住友電気工業株式会社 filed Critical 住友電気工業株式会社
Priority to CN201480054707.9A priority Critical patent/CN105593412B/zh
Priority to US15/026,342 priority patent/US20160230299A1/en
Priority to KR1020167007449A priority patent/KR20160067098A/ko
Priority to DE112014004565.9T priority patent/DE112014004565T5/de
Publication of WO2015049919A1 publication Critical patent/WO2015049919A1/ja

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00—Electroforming
    • C25D1/08—Perforated or foraminous objects, e.g. sieves
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/005—Contacting devices
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10—Electrodes, e.g. composition, counter electrode
    • C25D17/12—Shape or form
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/02—Electroplating of selected surface areas
    • C25D5/022—Electroplating of selected surface areas using masking means
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/54—Electroplating of non-metallic surfaces
    • C25D5/56—Electroplating of non-metallic surfaces of plastics
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/66—Electroplating: Baths therefor from melts
    • C25D3/665—Electroplating: Baths therefor from melts from ionic liquids

Definitions

  • the present invention relates to a drum electrode used for plating a metal on the surface of a resin molded body having a three-dimensional network structure in a plating tank. Furthermore, it is related with the manufacturing method of the said drum electrode, the plating apparatus using the said drum electrode, the manufacturing method of a resin molding, and the manufacturing method of a metal porous body.
  • porous metal bodies having a three-dimensional network structure are widely used for battery electrodes, various filters, catalyst carriers, and the like.
  • Such a metal porous body generally imparts conductivity to the surface of a resin molded body having a three-dimensional network structure such as urethane foam or foamed melamine, and then electroplats the metal on the surface of the resin molded body, Then, it is obtained by removing the resin molded body by heat treatment or the like.
  • FIG. 8 80 is an apparatus for producing a porous metal body
  • 81 is a drum electrode as a cathode
  • 82 is a protrusion made of a conductive material formed on the drum electrode 81
  • 83 is an anode
  • 84 Is a plating tank
  • 85 is a plating solution accommodated in the plating tank 84
  • W is a long resin molded body (work) having a three-dimensional network structure provided with conductivity to be plated. It is.
  • the lower part of the drum electrode 81 is immersed in the plating solution 85 and rotates at the same speed as the workpiece W is conveyed. Further, portions other than the projections 82 made of the conductive material are insulative, and during plating, the projections 82 enter small holes in the work W that is a porous body, and metal plating is performed around the projections 82. For this reason, while preventing the metal from being electrodeposited on the surface of the drum electrode 81, the inside of the workpiece W can be sufficiently plated.
  • Drum electrodes used in the metal porous body manufacturing apparatus as described above are described in, for example, Japanese Patent Application Laid-Open No. 01-255686 (Patent Document 1) and Japanese Patent Application Laid-Open No. 2013-007069 (Patent Document 2).
  • the above conventional drum electrode can uniformly deposit metal on the surface of a resin molded body having a three-dimensional network structure while suppressing metal electrodeposition on the surface of the drum electrode.
  • the manufacturing method of the drum electrode itself is complicated and expensive, and there is room for improvement in that it takes time and effort to adjust the height of the conductive protrusion on which the metal is electrodeposited during operation. was there.
  • a drum electrode capable of electrodepositing a metal on the surface of a long base material in a plating tank, an easy manufacturing method, and easy maintenance during operation, and a manufacturing method thereof are provided.
  • the purpose is to provide. Moreover, it aims at providing the plating apparatus using such a drum electrode, the manufacturing method of a resin molding, and a manufacturing method.
  • the drum electrode according to one embodiment of the present invention employs the following configuration in order to solve the above-described problem.
  • the drum electrode according to an aspect of the present invention is a drum electrode for an apparatus for plating a metal on the surface of a long substrate having conductivity, and includes a power feeding layer and a surface of the power feeding layer.
  • An insulating layer that covers the surface of the insulating layer, and a protruding electrode that protrudes from the surface of the insulating layer and is electrically connected to the power feeding layer, and the protruding electrode is linearly provided in the circumferential direction of the drum electrode, It is.
  • a drum electrode capable of electrodepositing a metal on the surface of a long substrate in a plating tank, an easy manufacturing method, and easy maintenance during operation, and a manufacturing method thereofcan be provided.
  • the plating apparatus using such a drum electrode, the manufacturing method of a resin molding, and the manufacturing method of a metal porous body can be provided.
  • a drum electrode according to an aspect of the present invention is a drum electrode for an apparatus for plating a metal on a surface of a long substrate having conductivity, and covers a surface of a power feeding layer and the power feeding layer. And a drum electrode that has a protruding electrode that protrudes from the surface of the insulating layer and is electrically connected to the power feeding layer, and the protruding electrode is linearly provided in a circumferential direction of the drum electrode. .
  • the metal can be sufficiently uniformly applied to the long substrate in the plating tank. It has been found that it is possible to plate.
  • the protruding electrode is provided in a linear shape when the linear electrode is continuously connected in the circumferential direction and in a part of the cutout portion. Including the case of discontinuous lines. Furthermore, the protruding electrode does not need to be completely parallel to the circumferential direction, and includes a case where the protruding electrode has a slope of 60 ° or less and is formed in a spiral shape.
  • the drum electrode which is embodiment of this invention is a drum electrode in which the height of the said projection electrode has a difference in the position on the said drum electrode.
  • the height of the protruding electrode varies depending on the position depending on the maintenance method in use. It can be preferably used for metal plating. For this reason, the choice of the maintenance method in use of a drum electrode increases.
  • the drum electrode which is embodiment of this invention is a resin molding in which the said base material has a three-dimensional network structure.
  • the drum electrode according to the embodiment of the present invention can be preferably used for a long base material having a small electric resistance, such as a copper plate, but the base material has a three-dimensional network structure. In this case, a higher effect is exhibited. That is, in the case of a resin molded body having a three-dimensional network structure in which carbon is applied to the base material, the electric resistance is large. Certain resins can burn out. In addition, it is difficult to uniformly form a plating film up to the central portion in the thickness direction of the resin molded body and the surface opposite to the surface in contact with the drum electrode.
  • the drum electrode according to the embodiment of the present invention can be directly plated in the liquid by providing the linear protruding electrode in the circumferential direction, the resistance of the substrate can be reduced. Moreover, a plating film can be uniformly formed even inside the porous portion of the resin molded body.
  • a resin molded body having a three-dimensional network structure is also simply referred to as a resin molded body.
  • a method for manufacturing a drum electrode according to an embodiment of the present invention includes a step of covering a surface of a cylindrical power feeding layer with an insulating layer, and a part of the surface of the insulating layer linearly in a circumferential direction.
  • a drum having a step of removing until reaching the surface of the power feeding layer, and a step of forming a protruding electrode so as to be higher than the surface of the insulating layer by plating a metal on the linearly exposed surface of the power feeding layer It is a manufacturing method of an electrode.
  • a drum electrode manufacturing method includes a step of alternately stacking donut-like insulating disks and metal disks having a through hole in the center to form a cylindrical shape, And a step of inserting and fixing a cylindrical power supply material in the through hole of the insulating disc and the metal disc.
  • the drum electrode according to one aspect of the present invention described in (1) can be easily manufactured by the method for manufacturing a drum electrode described in (4) or (5).
  • a plating apparatus is a plating apparatus that uses a drum electrode provided in a plating tank to plate a metal on the surface of a long base material with conductivity.
  • the drum electrode is the drum electrode according to any one of (1) to (3) above. Since the plating apparatus described in (6) uses the drum electrode described in (1) or (2) above, excessive maintenance of the drum electrode is unnecessary as compared with the conventional plating apparatus, and easily A resin structure having a metal plating film on the surface can be produced.
  • the manufacturing method of the resin structure which concerns on 1 aspect of this invention uses the drum electrode provided in the process which provides electroconductivity to the surface of the elongate resin-made base material, and a plating tank And a step of plating the surface of the substrate with a metal to obtain a resin structure having a metal plating film on the surface, wherein the drum electrode is the above (1) or ( It is a manufacturing method of the resin structure which is a drum electrode as described in 2).
  • the manufacturing method of the metal porous body which concerns on 1 aspect of this invention uses the process which provides electroconductivity to the surface of the resin molding which has a three-dimensional network structure, and the drum electrode provided in the plating tank.
  • a porous metal body having a step of obtaining a resin structure by plating metal on the surface of the resin molded body and a step of obtaining a porous metal body by removing the resin molded body from the resin structure
  • It is a method, Comprising: It is a manufacturing method of the metal porous body whose said drum electrode is a drum electrode as described in said (1) or said (2).
  • the method for producing a resin structure according to (7) and the method for producing a porous metal body according to (8) use the drum electrode according to any one of (1) to (3) above. Accordingly, the cost for manufacturing the drum electrode can be suppressed, and the resin structure or the porous metal body can be provided at a lower cost. Further, since the maintenance of the drum electrode is relatively easy, the burden of management during operation can be reduced, and the resin structure or the metal porous body can be provided more easily.
  • the drum electrode according to the embodiment of the present invention is a drum electrode for an apparatus for plating a metal on the surface of a long substrate having conductivity.
  • the drum electrode includes a power feeding layer 11, an insulating layer 12, and a protruding electrode 13, as shown in FIG.
  • the insulating layer 12 covers the surface of the power feeding layer 11, and the protruding electrode 13 is formed so as to protrude from the surface of the insulating layer 12 and to be electrically connected to the power feeding layer 11.
  • the protruding electrode 13 is formed in a linear shape in the circumferential direction of the drum electrode 1.
  • the feeding layer 11 is not particularly limited as long as it is conductive, and various metals can be preferably used. Further, the power feeding layer 11 may be a single layer, or two or more layers may be laminated. That is, even if another conductive material is laminated on the surface of the power feeding layer 11 that is the center of the drum electrode 1, the layers are sufficiently in close contact with each other so that they do not move relatively and are conductive. Good. When the adhesion of each layer is weak, it is preferable that the adhesion of each layer is strong because rotation drive is not sufficiently transmitted when the drum electrode 1 is rotated.
  • the insulating layer 12 may be insulative and stable with respect to the plating solution that comes into contact with the plating tank in which the drum electrode 1 is installed.
  • a resin such as an epoxy resin, a silicon resin, or a fluorine resin can be preferably used as the insulating layer.
  • a fluororesin is particularly preferable.
  • An anodized film formed on the surface of the power feeding layer 11 can also be preferably used.
  • the protruding electrode 13 is not particularly limited as long as it is conductive, and various metal materials can be preferably used. However, the protruding electrode 13 is preferably formed of the same material as the metal to be plated on the substrate surface. Specifically, for example, a protruding electrode formed of nickel is preferably used for nickel plating, and a protruding electrode formed of aluminum is preferably used for aluminum plating.
  • the protruding electrode 13 is continuously formed linearly in parallel to the circumferential direction of the drum electrode 1. For this reason, the drum electrode 1 is in a state where the insulating layers 12 and the protruding electrodes 13 are alternately arranged. Further, in the drum electrode according to one aspect of the present invention, the protruding electrode 13 may be formed in a continuously closed state in the circumferential direction, or a notch is partially formed and is not discontinuous. May be. When there is a notch on the protruding electrode 13, it is preferable that the notch is short, and it is preferable that the notch is shorter than the length of the continuous protruding electrode.
  • the protruding electrode 13 may be formed in parallel with the circumferential direction, or may be formed with a slight inclination with respect to the circumferential direction.
  • the protruding electrodes 13 are spirally formed on the surface of the drum electrode 1.
  • the angle between the protruding electrode 13 and the circumferential direction is preferably as small as possible, and is preferably within 60 °.
  • Increasing the width of the insulating layer 12 relative to the width of the protruding electrode 13 can increase current efficiency.
  • the metal plating tends to be poor.
  • the width of the insulating layer 12 is made smaller than the width of the protruding electrode 13, the electric resistance is reduced and the metal plating on the base material can be improved, but the current efficiency is deteriorated. There is a tendency.
  • the widths of the insulating layer 12 and the protruding electrode 13 may be set as appropriate according to the material and thickness of the substrate on which the metal is plated, the type of metal to be plated, etc., taking the above points into consideration.
  • the insulating layer 12 has a width of about 4 to 12 mm and the protruding electrode 13 has a width of about 1 to 4 mm alternately. By being formed side by side, electroplating can be favorably performed.
  • the protruding electrode 13 needs to protrude from the surface of the insulating layer 12. This is because when the drum electrode 1 and the base material are brought into contact with each other, the protruding electrode 13 is always in contact with the base material so that power can be supplied. In particular, when the base material is difficult to form a plating film even inside the porous part, such as a resin molded body having a conductive three-dimensional network structure with high electrical resistance. For this, it is necessary to sufficiently contact the protruding electrode 13 and the base material.
  • the height at which the protruding electrode 13 protrudes from the insulating layer 12 is not particularly limited, but preferably protrudes from over 0 mm to about 2 mm, more preferably from about 0.2 mm to 1.5 mm, and more preferably 0.5 mm. More preferably, it protrudes about 1 mm. Thereby, the protruding electrode 13 can be sufficiently brought into contact with the substrate.
  • the drum electrode according to one embodiment of the present invention is provided in a plating tank filled with a plating solution, if the plating solution and the protruding electrode come into contact with each other during operation, the surface of the protruding electrode is electrically charged with metal.
  • the height of the protruding electrode starts to increase and protrudes from the surface of the insulating layer. In such a state, the protruding electrode and the base material come into contact with each other, so that power can be supplied, and metal can be electroplated on the surface of the base material.
  • the drum electrode according to one embodiment of the present invention is higher in height than the insulating layer because metal is electrodeposited on the surface of the protruding electrode during use. For this reason, in the use state of the drum electrode which concerns on 1 aspect of this invention, it is preferable to provide the cutting tool in the predetermined position from the surface of an insulating layer. Thereby, even if a metal is electrodeposited on the protruding electrode and the height is increased, when the height exceeds a predetermined height, it is possible to prevent the protruding electrode from being excessively protruded by cutting with a cutting tool.
  • the cutting tool may be provided above the drum electrode (on the opposite side of the plating tank). Further, a cutting tool may be provided and fixed above each protruding electrode, or a plurality of cutting tools provided above the drum electrode may be provided so as to be movable in a direction perpendicular to the circumferential direction. May be. When the cutting tool moves in a direction perpendicular to the circumferential direction, the height of the protruding electrode from the surface of the insulating layer is not constant, but even in such a state, a plating film is uniformly applied to the substrate surface. It is possible to form.
  • the surface of the protruding electrode is rougher than the smooth surface because the meshing with the base material is improved.
  • the method for roughening the surface of the protruding electrode is not particularly limited as long as it is a method for forming an appropriate scratch. In this case, the surface roughness may be on the order of micrometers ( ⁇ m). Examples of the method for roughening the surface of the protruding electrode include a method of polishing the surface with a rough file, forming a thin plating film, etching, or dissolving with an acid or alkali. Further, when a metal is electrodeposited on the surface of the protruding electrode and the surface becomes rough, that state may be used.
  • the substrate may be a long one having a use for plating a metal on the surface.
  • a resin sheet provided with conductivity by carbon coating or the like can be used.
  • the resin sheet include a vinyl chloride sheet.
  • the base material is a resin molded body having a three-dimensional network structure
  • the capability of the drum electrode according to the embodiment of the present invention is exhibited to a high degree.
  • the resin molded body having a three-dimensional network structure for example, a foamed resin molded body produced using polyurethane, melamine resin or the like can be used.
  • a resin molded body having an arbitrary shape can be selected as long as it has continuous pores (continuous vent holes).
  • a resin molded body having an arbitrary shape can be selected as long as it has continuous pores (continuous vent holes).
  • a shape like a nonwoven fabric entangled with a fibrous resin such as polypropylene and polyethylene can be used in place of the foamed resin molding.
  • the type of metal to be plated is not particularly limited, and can be appropriately selected according to the processing application of the substrate surface. For example, aluminum, copper, nickel, zinc, tin, chromium, silver, gold and the like can be mentioned.
  • the drum electrode according to the embodiment of the present invention can uniformly deposit metal on the surface in the plating tank even when the base material is a resin molded body having a three-dimensional network structure. As will be described later, the manufacturing method of the drum electrode itself is easy, and the burden of maintenance during use can be reduced.
  • the drum electrode according to the embodiment of the present invention includes a step of covering the surface of the cylindrical power supply layer with an insulating layer (insulating layer forming step), and a part of the surface of the insulating layer is linearly formed in the circumferential direction.
  • a step of forming an electrode projection electrode formation step.
  • a cylindrical conductive material to be a power feeding layer is prepared.
  • the material of the power feeding layer is not particularly limited as long as it is conductive as described above, and various metals can be preferably used. Further, the power feeding layer may be a single layer, or two or more layers may be laminated.
  • an insulating layer is provided on the surface of the cylindrical power supply layer to coat the entire surface.
  • the insulating layer may be formed thicker if the diameter of the power feeding layer is smaller than the diameter of the drum electrode to be manufactured, and a plurality of power feeding layers are laminated as described above, and the diameter is equal to the diameter of the drum electrode. If it is close, it may be formed thin.
  • the insulating layer is insulative as described above, and may be stable to the plating solution that comes into contact with the plating tank in which the drum electrode is installed.
  • the insulating layer can be formed by a method such as using an insulating resin or forming an anodic oxide film on the surface of the power feeding layer.
  • each groove is provided with a portion that is not completely continuous in the circumferential direction and does not form a groove in part, a protruding electrode having a notch in part can be formed. Furthermore, if the grooves are continuously formed in the cylinder direction at a slight angle (within 60 °), a protruding electrode protruding in a spiral shape on the surface of the drum electrode can be formed.
  • the protruding electrode is formed in the portion where the groove is formed in the insulating layer and the surface of the power feeding layer is exposed.
  • the protruding electrode is not particularly limited as long as it is conductive, and various metal materials can be preferably used. Further, as described above, it is preferable that the base material is made of the same material as the metal to be plated.
  • the formation method of the protruding electrode is not particularly limited.
  • the protruding electrode can be formed by plating a metal on a portion where the surface of the power feeding layer is exposed.
  • the plating method may be electroless plating or electrolytic plating. Then, the plating may be stopped when the metal plating that has started to grow in the portion where the surface of the power feeding layer is exposed protrudes from the surface of the insulating layer.
  • the drum electrode according to the embodiment of the present invention includes a step of alternately stacking donut-shaped insulating disks and metal disks having a through hole in the center to form a cylindrical shape, and the insulating disks and the metal. It can also be manufactured by a method of manufacturing a drum electrode having a step of inserting and fixing a cylindrical power supply material into the through hole of the disc-made disk.
  • a donut-like insulating disc 22 having a through hole in the center and a donut-like metal disc 23 having a through hole in the center are produced, and these are alternately concentric.
  • a cylindrical power supply material is inserted into the central through hole and fixed firmly.
  • the insulating disk 22 and the metal disk 23 can be fixed by, for example, tightening with a bolt or applying an adhesive.
  • the power supply member inserted into the through hole can be fixed using a bolt or a conductive adhesive.
  • the diameter of the metal disk 23 is preferably larger than the diameter of the insulating disk 22, but even if the diameter is the same or smaller than that, the metal disk 23 is made of metal as described above after inserting the power feeding material. What is necessary is just to plate a metal on the surface of the disc 23.
  • the insulating disc 22 serves as the insulating layer described above, the insulating disc 22 may be insulative and stable with respect to the plating solution in contact with the plating tank in which the drum electrode is installed.
  • the metal disk 23 serves as the protruding electrode described above, it is not particularly limited as long as it is conductive, and various metal materials can be preferably used. Moreover, it is preferable that it is a metal of the same material as the metal plated on a base material.
  • the power feeding layer is not particularly limited as long as it is conductive as described above, and various metals can be preferably used. Further, the power feeding layer may be a single layer, or two or more layers may be laminated.
  • the insulating disc 22 may be a donut-shaped disc or a disc in which a plurality of plates are combined.
  • the insulating disk 22 may be manufactured by combining a plurality of fan-shaped divided insulating disks (insulating layers) 32 as shown in FIG.
  • the joint when a fan-shaped one is used, the joint must be welded or the like so that there is no gap. If there is a gap in the joint portion, the plating solution enters the gap portion, and plating grows in the gap. For this reason, a conductive part that is continuous in the direction orthogonal to the circumferential direction is formed on the surface of the drum electrode. If a conductive part continuous in such a direction perpendicular to the circumferential direction is formed, current concentrates on the conductive part, and the base material burns out when the base material is a resin molded body. Such problems occur.
  • FIG. 4 is an example in which a plurality of power supply layers are stacked, the surface portion is covered with an insulating layer 42, a groove is provided in the insulating layer 42, and the protruding electrode 43 is formed in that portion.
  • FIG. 5 shows an example in which the insulating disks 52 and the metal disks 53 are alternately arranged and fixed.
  • a plating apparatus is a plating apparatus for plating metal on the surface of a long base material with conductivity using a drum electrode provided in a plating tank. It is a plating apparatus whose electrode is the drum electrode of the present invention.
  • the other basic configuration is, for example, a conventional plating as shown in FIG. It can be similar to the device. That is, it is only necessary that a drum electrode according to one embodiment of the present invention is provided as a cathode and a metal to be plated as an anode is provided in a plating tank filled with a plating solution.
  • a cutting tool is provided in the upper part of the plating apparatus so that a part of the protruding electrode whose height is increased by electrodeposition of metal during operation can be cut. preferable.
  • the method for producing a resin structure according to one embodiment of the present invention includes the step of imparting conductivity to the surface of a long resin base material and the drum electrode provided in the plating tank. And a step of obtaining a resin structure having a metal plating film on the surface by plating a metal on the surface of the material, wherein the drum electrode is a drum electrode according to one embodiment of the present invention It is the manufacturing method of the resin structure which is.
  • the drum electrode according to one aspect of the present invention if the drum electrode according to one aspect of the present invention is used for the drum electrode, the other steps are the same as those in the conventional method for producing a resin structure. Can be done.
  • the long resin-made base material used as a base material should just have a use which has a metal plating on the surface as mentioned above.
  • Examples of a method for imparting conductivity to the surface of the substrate include a method of applying a paste-like carbon powder to the substrate surface.
  • the method for producing a porous metal body according to one aspect of the present invention includes the step of imparting conductivity to the surface of a resin molded body having a three-dimensional network structure, and the drum electrode provided in the plating tank,
  • a method for producing a porous metal body comprising: a step of plating a metal on a surface of a resin molded body to obtain a resin structure; and a step of removing the resin molded body from the resin structure to obtain a porous metal body.
  • a foamed resin molded body can be preferably used as described above.
  • a resin molded body having a shape like a non-woven fabric entangled with a fibrous resin or a resin molded body having an arbitrary shape having continuous pores can be preferably used.
  • the method for imparting conductivity to the resin molded body is not particularly limited.
  • a substrate having a relatively large resistance as performed by carbon coating Even so, electroplating can be satisfactorily performed.
  • the method of carbon coating is not particularly limited, and can be performed by a known method.
  • Example 1 ⁇ Manufacture of drum electrode 1> Twenty-four aluminum discs having a thickness of 1 mm and a diameter of 200 mm were prepared, and a through hole having a diameter of 40 mm was formed in the center of all the discs. Twenty-five vinyl chloride insulating discs having a thickness of 4 mm and a diameter of 199 mm were prepared, and a through-hole having a diameter of 40 mm was formed at the center of all the discs. The aluminum disks and insulating disks were alternately arranged and firmly fixed with bolts. A titanium power supply layer having a diameter of 39 mm and a length of 250 mm was inserted into the central through-hole portion, and was firmly fixed by a jig.
  • the drum electrode 1 in which the protruding electrodes having a linear width of 1 mm that were continuous in the circumferential direction were formed every 4 mm was obtained.
  • the protruding electrode of the drum electrode 1 thus obtained was subjected to an aluminum plating process in order to make the surface rough.
  • urethane foam having a thickness of 1 mm, a porosity of 95% by volume, and a pore number (cell number) per inch of about 50 was prepared.
  • the urethane foam was immersed in a carbon suspension and dried to impart conductivity.
  • the components of the carbon suspension included 17% by mass of graphite and carbon black, 7% by mass of a resin binder, and further included a penetrant and an antifoaming agent.
  • the particle size of carbon black was 0.5 ⁇ m.
  • a molten salt was prepared by mixing aluminum chloride (AlCl 3 ) and 1-ethyl-3-methylimidazolium chloride (EMIC) in a molar ratio of 2: 1. It filled in the plating tank.
  • AlCl 3 aluminum chloride
  • EMIC 1-ethyl-3-methylimidazolium chloride
  • the metal porous body 1 was manufactured by supplying the foamed urethane provided with the conductivity prepared above as a base material to the metal porous body manufacturing apparatus having the above-described configuration and performing electroplating of aluminum.
  • the speed of the substrate was 17 mm / min, and the current density was 8 A / dm 2 .
  • a cutting tool was provided in the upper part of the drum electrode 1, and the aluminum electrodeposited on the protruding electrode surface was appropriately cut. The cutting tool was installed at a position 1 mm from the surface of the insulating layer and moved back and forth in a direction perpendicular to the circumferential direction.
  • Example 2 ⁇ Manufacture of drum electrode 2> An aluminum drum having a diameter of 200 mm was prepared, and 24 linear protrusions continuous in the circumferential direction were formed on the surface every 4 mm. The width of the protrusion was 1 mm. The height of the protrusion was 1.5 mm. The entire surface of the aluminum drum was coated with fluororesin (ETFE) at a thickness of 0.6 mm. Since the fluororesin layer was also formed on the surface of the protrusion, the fluororesin coat surface was shaved until the surface of the protrusion was exposed. And 0.5 mm of aluminum plating was grown on the surface of the protrusion (aluminum) exposed from the surface of the fluororesin.
  • EFE fluororesin
  • FIG. 6 shows an enlarged cross-sectional view of the surface portion of the drum electrode 2.
  • Reference numeral 62 in FIG. 6 denotes an insulating layer of fluorocarbon resin.
  • Example 3 ⁇ Manufacture of drum electrode 3> An aluminum drum having a diameter of 200 mm was prepared, and an anodized aluminum film was formed by anodizing the surface. The thickness of the anodized film of aluminum was about 10 ⁇ m. On the surface of the drum on which the anodized film was formed, 24 circumferentially continuous grooves were formed every 4 mm. The width of the groove was 1 mm. The depth of the groove was 0.5 mm. And the aluminum plating was made to grow in the said groove
  • FIG. 7 shows an enlarged cross-sectional view of the surface portion of the drum electrode 3.
  • 72 is anodized as an insulating layer.
  • Example 4 ⁇ Manufacture of drum electrode 4> A drum electrode 4 was manufactured in the same manner as in Example 1 except that the width of the protruding electrode was set to 2 mm and the width of the insulating layer portion was set to 4 mm in the manufacture of the drum electrode 1 in Example 1.
  • Example 5 ⁇ Manufacture of drum electrode 5> A drum electrode 5 was manufactured in the same manner as in Example 1 except that the width of the protruding electrode was set to 2 mm and the width of the insulating layer portion was set to 8 mm in the manufacture of the drum electrode 1 in Example 1.
  • Example 6 ⁇ Manufacture of drum electrode 6> Twenty-four copper discs having a thickness of 1 mm and a diameter of 200 mm were prepared, and a through hole having a diameter of 40 mm was formed in the center of all the discs. Twenty-five vinyl chloride insulating discs having a thickness of 4 mm and a diameter of 199 mm were prepared, and a through-hole having a diameter of 40 mm was formed at the center of all the discs. The copper disks and insulating disks prepared above were alternately arranged and firmly fixed with bolts. A titanium power supply layer having a diameter of 39 mm and a length of 250 mm was inserted into the central through hole, and was fixed firmly with a jig.
  • the drum electrode 6 in which the protruding electrodes having a linear width of 1 mm that are continuous in the circumferential direction were formed every 4 mm was obtained.
  • a copper plating solution is used instead of the aluminum plating solution as the plating solution
  • a copper electrode is used instead of the aluminum electrode as the anode electrode
  • the drum electrode 6 is used instead of the drum electrode 1.
  • a porous metal body 6 was produced in the same manner as in Example 1 except that was used.
  • a copper plating solution the thing of the composition of copper sulfate 70g / L and sulfuric acid 200g / L was used.
  • Example 7 ⁇ Manufacture of drum electrode 7>
  • the drum electrode 7 was manufactured in the same manner as in Example 6 except that an insulating disc having a width of 9 mm was used.
  • ⁇ Manufacture of metal porous body 7> In the production of the porous metal body 6 in Example 6, the porous metal body 7 was produced in the same manner as in Example 6 except that the drum electrode 7 was used instead of the drum electrode 6.
  • Drum electrode 11 Power feeding layer 12, 42, 62, 72 Insulating layer 13, 43, 63, 73 Protruding electrode 22, 52 Insulating disk (insulating layer) 23, 53 Metal disc (projection electrode) 32 Divided insulating disc (insulating layer) 81 Conventional drum electrode 82 Protrusion 83 Anode 84 Plating tank 85 Plating solution

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  • Chemical Kinetics & Catalysis (AREA)
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  • Electroplating Methods And Accessories (AREA)
PCT/JP2014/070568 2013-10-04 2014-08-05 ドラム電極、ドラム電極の製造方法、めっき装置、樹脂成形体の製造方法及び金属多孔体の製造方法 WO2015049919A1 (ja)

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CN201480054707.9A CN105593412B (zh) 2013-10-04 2014-08-05 鼓状电极、生产鼓状电极的方法、电镀装置、生产树脂成型体的方法以及生产金属多孔体的方法
US15/026,342 US20160230299A1 (en) 2013-10-04 2014-08-05 Drum electrode, method for producing drum electrode, plating device, method for producing resin molded body, and method for producing metal porous body
KR1020167007449A KR20160067098A (ko) 2013-10-04 2014-08-05 드럼 전극, 드럼 전극의 제조 방법, 도금 장치, 수지 성형체의 제조 방법 및 금속 다공체의 제조 방법
DE112014004565.9T DE112014004565T5 (de) 2013-10-04 2014-08-05 Trommelelektrode, Verfahren zur Herstellung einer Trommelelektrode, Plattierungseinrichtung, Verfahren zur Herstellung eines aus Harz ausgebildeten Körpers und Verfahren zur Herstellung eines porösen Metallkörpers

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JP2015137373A (ja) * 2014-01-21 2015-07-30 住友電気工業株式会社 アルミニウム膜の製造方法及び製造装置
JP2015137378A (ja) * 2014-01-21 2015-07-30 住友電気工業株式会社 アルミニウム膜の製造方法及び製造装置
JP2018028135A (ja) * 2016-08-18 2018-02-22 住友電気工業株式会社 ドラム電極、めっき装置、樹脂構造体の製造方法及び金属多孔体の製造方法
JP6893001B1 (ja) * 2020-08-18 2021-06-23 帝国イオン株式会社 めっき装置およびめっき方法

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JPS61207598A (ja) * 1985-03-12 1986-09-13 Nomura Seimitsu Denshi Kk 通電ロ−ラ装置
JPH01255686A (ja) * 1988-04-05 1989-10-12 Sumitomo Electric Ind Ltd 金属多孔体の製造方法
JPH0610185A (ja) * 1992-06-24 1994-01-18 Nippon Steel Corp 金属ストリップの電気メッキ装置
JPH08302497A (ja) * 1995-05-10 1996-11-19 Hitachi Cable Ltd めっき装置用給電ロールおよびロール支持機構
JP2003531301A (ja) * 2000-04-20 2003-10-21 アトーテヒ ドイッチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング 弾性接触要素
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KR20160067098A (ko) 2016-06-13
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