WO2018131652A1 - Élément de poignée de porte pour véhicule et élément extérieur pour véhicule - Google Patents

Élément de poignée de porte pour véhicule et élément extérieur pour véhicule Download PDF

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Publication number
WO2018131652A1
WO2018131652A1 PCT/JP2018/000497 JP2018000497W WO2018131652A1 WO 2018131652 A1 WO2018131652 A1 WO 2018131652A1 JP 2018000497 W JP2018000497 W JP 2018000497W WO 2018131652 A1 WO2018131652 A1 WO 2018131652A1
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WIPO (PCT)
Prior art keywords
door handle
layer
electroless plating
vehicle
primer layer
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Application number
PCT/JP2018/000497
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English (en)
Japanese (ja)
Inventor
伊藤　孝
一徳 長谷
哲幸 塚野
水島　賢治
一男 塚田
坂倉　弘晃
本間　英夫
充広 渡邊
Original Assignee
株式会社 アルファ
学校法人関東学院
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Application filed by 株式会社 アルファ, 学校法人関東学院 filed Critical 株式会社 アルファ
Publication of WO2018131652A1 publication Critical patent/WO2018131652A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • E05B85/14—Handles pivoted about an axis parallel to the wing
    • E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding

Definitions

  • the present invention relates to a vehicle door handle member and a vehicle exterior member, and particularly to a vehicle door handle member and a vehicle exterior member suitable for incorporating a capacitance sensor.
  • a capacitance sensor is built in a door opening / closing door handle provided on the outside of a door of a vehicle such as an automobile.
  • the capacitance sensor detects that the person has touched the door handle and locks the door.
  • an unlocking system is becoming widespread.
  • the door handle for vehicles is not mainly composed of metal, but it is mainly used to decorate a metallic base by forming a metal thin film on a base composed of resin by a film deposition technique such as vapor deposition or plating. It has become.
  • a capacitance sensor is built in such a vehicle door handle, the capacitance sensor cannot function in a specific part, and a malfunction may occur. This is because the capacitance sensor is sensitive to any location on the surface because the metal thin film formed to decorate the metallic tone is a continuous film and has conductivity.
  • Patent Document 1 an inorganic thin film layer and an aggregate of island-shaped metal particles separated from each other are provided on one side surface (a surface that becomes the outside when deployed in a vehicle) of a door handle base body made of an insulator.
  • a door handle having a configuration in which a metal thin film layer (such as indium) deposited on the surface of an inorganic thin film layer is provided.
  • the metal thin film layer has a sea-island structure, that is, a discontinuous film, it is considered that no malfunction occurs even if a capacitance sensor is arranged inside.
  • the above-described problems are not only the door handle members for vehicles but also the exterior members for vehicles in which electrostatic capacitance sensors are arranged, and can occur if the members have a three-dimensional structure.
  • the present invention has been made in view of the above-described conventional problems, and the object thereof is to provide a decoration having metallic luster in a vehicle door handle member or a vehicle exterior member in which a capacitance sensor is arranged.
  • An object of the present invention is to provide a vehicle door handle member or a vehicle exterior member that can prevent malfunction of a capacitance sensor while being applied.
  • the present invention for solving the above problems is as follows. (1) On the surface of a resin door handle base, a primer layer, an electroless plating layer having cracks, and a topcoat layer are sequentially provided. A vehicle door handle member in which the electroless plating layer is cracked so as to be separated into 2 to 1000 isolation regions per 1 mm 2 .
  • a primer layer On the surface of the resin substrate, a primer layer, an electroless plating layer having cracks, and a topcoat layer are sequentially provided.
  • the malfunction of the capacitance sensor is prevented while being decorated with metallic luster.
  • the obtained vehicle door handle member or vehicle exterior member can be provided.
  • FIG. 1 is a perspective view of a vehicle door handle including a vehicle door handle member according to an embodiment of the present invention.
  • FIG. 2 is a top view of the vehicle door handle shown in FIG. 3 is a cross-sectional view taken along the line AA of the vehicle door handle shown in FIG.
  • FIG. 4 is a cross-sectional view showing an example of the layer structure of the vehicle door handle member of the present invention.
  • FIG. 5 is a schematic diagram showing a state of a reaction test on a capacitance sensor of a test piece.
  • FIG. 6 is a perspective view of a vehicle door handle according to another embodiment different from FIG. 7A is a rear view showing the back door side of the automobile, and FIG. 7B is a cross-sectional view taken along line AA in FIG.
  • FIG. 1 to 3 show a vehicle door handle 10 including a vehicle door handle member 12 to which the present invention is applied.
  • the vehicle door handle 10 has a substantially arch-shaped portion, and the arch-shaped portion serves as a grip portion that a person grips when the door is opened and closed. That is, a human hand contacts the vehicle door handle member 12 when the door is opened and closed.
  • the vehicle door handle 10 is generally composed of a vehicle door handle member 12 and a back cover 14. Between the vehicle door handle member 12 and the back cover 14, an electrode 18a and an electronic component 16 that is electrically connected to the electrode 18a and that incorporates a capacitance sensor and the like are disposed.
  • the electrode 18 a is in contact with the inner surface of the back cover 14.
  • an electrode 18 b extending from the inside of the electronic component 16 extends, and the electrode 18 b is in contact with the inner side surface of the vehicle door handle member 12.
  • the opposite side of the contact area that is, the outer side surface on the opposite side across the vehicle door handle member 12 forms the locking touch part 20a, and the inner peripheral surface of the arch-shaped part on the opposite side across the back cover 14
  • the unlocking touch part 20b is formed.
  • the door unlocking system using the vehicle door handle 10 includes, for example, a device for transmitting and receiving radio waves (hereinafter referred to as “portable device”) and an antenna device for communicating with the portable device provided in the vehicle, And a control device for controlling the vehicle.
  • the antenna device may be incorporated in the electronic component 16. Then, when a person who wants to lock or unlock the door of the vehicle brings the hand into contact with the locking touch part 20a or the unlocking touch part 20b of the vehicle door handle 10 while carrying the portable device, The capacitance sensor detects the contact, and the detection signal is sent to a control device provided in the vehicle.
  • control device in the vehicle receives both the detection signal and the radio wave emitted from the portable device, the control device locks the door (when touched by the locking touch unit 20a) or unlocks the door. Control is performed to lock (when the unlocking touch unit 20b is touched).
  • the vehicle door handle member 12 has a primer layer 34, an electroless plating layer 36 having cracks, and a top coat layer 38 on the surface of a resin door handle base 32.
  • the cracks are formed so that the electroless plating layer 36 is separated into 2 to 1000 isolated regions (hereinafter also referred to as “isolated regions”) per 1 mm 2 .
  • isolated regions each component is demonstrated one by one.
  • the door handle base is made of a resin molded into a predetermined shape (for example, the shape shown in FIG. 2).
  • the resin may be an insulating resin, such as acrylonitrile / butadiene / styrene (ABS), acrylonitrile / ethylene / propylene / diene / styrene (AES), acrylonitrile / styrene / acrylic acid ester (ASA), Nylon 6, nylon 66, polybutylene terephthalate (PBT), polycarbonate (PC), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), polyacetal (POM), polypropylene (PP), polyphenylene ether (PPE), etc. Can be used.
  • ABS acrylonitrile / butadiene / styrene
  • AES acrylonitrile / ethylene / propylene / diene / styrene
  • ASA
  • the primer layer is a layer located between the door handle base and the electroless plating layer.
  • the metal particles having catalytic activity are attached to the door handle base. Fulfills the function of In order to fulfill such a function, the primer layer is preferably a layer formed using a water-insoluble polyester resin.
  • the primer layer can facilitate the adhesion of the catalyst to the door handle base when forming the electroless plating layer. As a result, a metal film having a metallic luster can be formed on the surface of the door handle base.
  • the primer layer is formed using a water-insoluble polyester resin, the primer layer can be prevented from eluting into the plating solution or the catalyst solution because it is water-insoluble, and the primer layer can be prevented from peeling off. . Furthermore, by preventing elution of the primer layer with respect to the plating solution and the catalyst solution, the life of the plating solution and the catalyst solution can be extended. Further, by providing the primer layer, it is possible to prevent darkening of the electroless plating layer formed on the surface thereof.
  • the number average molecular weight of the polyester resin used for forming the primer layer is preferably 2000 to 30000.
  • the primer layer can be made a strong film.
  • the occurrence of curling can be prevented.
  • the primer layer may contain a resin other than the polyester resin.
  • a resin other than the polyester resin polyvinyl butyral, acrylic resin, polyurethane resin, or the like can be included.
  • Resins other than these polyester resins may be either hydrophilic or hydrophobic, but are preferably water-insoluble resins from the viewpoint of preventing elution of the primer layer. You may adjust the contact angle with respect to the pure water of the surface of a primer layer using resin other than these polyester resins.
  • the above-described polyester resin is preferably used in an amount of 50% by mass or more, and 80% by mass or more of the total resin component constituting the primer layer. It is more preferable to use 90% by mass or more.
  • the layer thickness of the primer layer varies depending on the type of monomer constituting the polyester resin, but is preferably in the range of 0.05 ⁇ m to 2.0 ⁇ m.
  • a metal such as nickel or a nickel alloy can be deposited so that an isolation region is generated.
  • the layer thickness of the primer layer is less than 0.05 ⁇ m, the adhesion ability of the catalyst may be lowered.
  • the thickness of the primer layer exceeds 2 ⁇ m, the metallic luster may be lowered and the appearance color may be uneven.
  • the layer thickness of the primer layer is more preferably in the range of 0.1 ⁇ m to 1.0 ⁇ m. By setting the thickness of the primer layer in the range of 0.1 ⁇ m to 1.0 ⁇ m, the catalyst adhesion is excellent, and the resulting electroless plating layer has excellent metallic luster and appearance color.
  • the electroless plating layer is a layer having cracks, and the cracks are formed so as to be separated into 2 to 1000 isolation regions per 1 mm 2 .
  • the electroless plating layer according to this embodiment does not become a continuous layer by being separated into a specific number of isolated regions per unit area due to cracks. Therefore, even when a hand is touched at a place away from the capacitance sensor, the capacitance sensor is not sensitive. Therefore, even when a capacitance sensor is arranged inside, malfunction is less likely to occur.
  • the electroless plating layer is literally a layer formed by an electroless plating method, the layer is formed not only for a flat structure but also for a three-dimensional structure. The thickness becomes uniform. Therefore, an electroless plating layer having a uniform layer thickness is formed at any location on the door handle member. As a result, regardless of the shape of the door handle member, the separated state as a whole, that is, a discontinuous layer is formed.
  • the metal constituting the electroless plating layer may be any metal that can be electrolessly plated, such as nickel, nickel alloy, cobalt, copper, copper alloy, silver, silver alloy, tin, tin alloy, gold, gold alloy, etc. Is mentioned.
  • the number of isolation regions per mm 2 is a numerical value obtained by counting by observation with an optical microscope (for example, 100 times magnification).
  • the number of isolation regions per 1 mm 2 is 2 to 1000. However, in order to achieve excellent metallic luster, the number should be 2 to 250. The number is preferably 2 to 150.
  • the layer thickness of the electroless plating layer is preferably 0.01 to 0.2 ⁇ m, more preferably 0.05 to 0.1 ⁇ m from the viewpoint of obtaining a sufficient metallic luster.
  • the top coat layer is formed on the outermost layer above the electroless plating layer for the purpose of protecting the surface.
  • the top coat layer include acrylic urethane-based, acrylic-based, urethane-based, melamine-based, and acrylic melamine-based clear coating. Among them, acrylic urethane-based clear coating is preferable from the viewpoint of environmental resistance.
  • the layer thickness of the topcoat layer is preferably 20 to 40 ⁇ m, more preferably 25 to 35 ⁇ m, from the viewpoint of sufficiently protecting the layer located therebelow.
  • the top coat layer can be formed by spray painting, dipping method, or the like. Specifically, it can be formed by coating by spray coating or the like so as to have a desired layer thickness and curing by heat drying.
  • a predetermined resin is used to mold the vehicle door handle into a desired shape.
  • the molding method There is no particular limitation on the molding method, and a known molding method can be applied.
  • the primer layer is a water-insoluble polyester resin as described above, and if necessary, another resin, a coating solution obtained by dissolving other optional components in a suitable solvent, is applied on the surface of the door handle base, It can be formed by drying.
  • a known coating method such as dip coating, bar coating, spray coating or the like can be applied.
  • the primer layer can be formed by co-extrusion and molding of a resin material constituting the door handle base and a water-insoluble polyester resin constituting the primer layer. .
  • An electroless plating layer having a metallic luster can be formed by depositing a metal such as nickel or a nickel alloy on the primer layer provided on the surface of the door handle base by electroless plating. Thereafter, internal stress is generated in the electroless plating layer by heating to generate cracks.
  • a metal such as nickel or a nickel alloy
  • internal stress is generated in the electroless plating layer by heating to generate cracks.
  • Catalyzer process is a process of attaching palladium metal as a catalyst to the surface of the primer layer by immersing the door handle base provided with the primer layer in the above-described colloidal catalyst (catalyzer) of palladium and tin. . At this time, a small amount of tin adheres to the surface of the primer layer as a divalent or tetravalent tin salt.
  • the colloidal catalyst used in this step is a conventionally known method such as a method in which a hydrate of tin and a hydrate of palladium are dissolved in water, a surfactant is added, and a reducing agent is added with vigorous stirring. It can be prepared by a method. Moreover, what is generally marketed as a catalyzer can also be used. Further, it may be immersed in an aqueous palladium solution after being immersed in an aqueous tin solution.
  • a degreasing treatment such as acid / alkali washing as a pretreatment when the catalyst is attached to the primer layer.
  • the catalyst when attached to the primer layer, it is preferable to perform a step of conditioning or pre-dip as pretreatment.
  • the activator process is not an essential process, but by immersing the door handle substrate in a palladium chloride solution of about 0.1 g / l to 1 g / l, the initial plating deposition is more uniform. It may be performed to react automatically.
  • a metal film is formed by depositing a metal on the surface of the primer layer by an electroless plating method.
  • nickel plating solution constituting a conventionally known nickel plating bath such as a Ni—P bath, a Ni—B bath, a Ni—Cu—P bath, or the like.
  • nickel is deposited on the surface of the primer layer using palladium metal adhering to the primer layer as a catalyst.
  • nickel alloys such as Ni—P, Ni—B, and Ni—Cu—P are deposited.
  • Internal stress is generated in the electroless plating layer formed as described above to generate a crack.
  • means for generating internal stress include heating or cooling.
  • the internal stress is generated by heating because there is a difference in expansion coefficients between the resin constituting the door handle base, the constituent material of the primer layer, and the electroless plating.
  • the door handle base is made of resin, it is preferable to heat at a temperature that does not adversely affect the resin. That is, the heating temperature is preferably within the range of ⁇ 50 ° C. of the glass transition temperature of the resin and at a temperature that does not adversely affect the resin.
  • the surface of the door handle base can be discontinuously covered by the electroless plating layer formed by the electroless plating method on the surface of the primer layer.
  • the primer layer 34, the electroless plating layer 36, and the topcoat layer 38 are sequentially formed on the surface of the vehicle door handle member 12, and these layers are formed in the vehicle door handle member. 12 may be formed on a decorative cover that is separated from the decorative cover. That is, in the vehicle door handle 10 ⁇ / b> A shown in FIG. 6, a part of the surface of the vehicle door handle member 12 is composed of the decorative cover 40 as a separate member, but the above layers are formed on the surface of the decorative cover 40. It may be formed.
  • the other configuration is the same as the configuration shown in FIGS.
  • the decorative cover 40 has a touch part 20a, and the touch part 20a is configured to be connected to the electrode 18b.
  • the decorative cover 40 may be formed of a transparent resin.
  • the primer layer 34, the electroless plating layer 36, and the topcoat layer 38 can be sequentially formed on the back surface of the decorative cover 40.
  • Examples of the vehicle exterior member of the present embodiment include exterior members used in vehicles such as side mirrors, antenna covers, back door finishers, window frame plating moldings, and the like, and the base is made of resin. And, similar to the vehicle door handle described above, on the surface of the resin base, it has a primer layer, an electroless plating layer having cracks, and a topcoat layer in order, Cracks are formed so as to separate into 2 to 1000 isolated areas per 1 mm 2 .
  • a finisher will be described as the vehicle exterior member of the present embodiment.
  • FIG. 7A is a rear view of the automobile (showing the surface on the back door side), and FIG. 7B is a cross-sectional view of the vicinity of the finisher along the line AA in FIG.
  • a back door 62 is provided on the rear surface of the automobile 60 shown in FIG. 7, and a finisher 64 for opening and closing the back door 62 is provided at a substantially central portion of the back door 62.
  • the finisher 64 includes a capacitance sensor 66 inside.
  • the finisher 64 backs according to the touched position.
  • the door is configured to be locked / unlocked. Since this mechanism is the same as that of the vehicle door handle 10 described above, description thereof is omitted.
  • a primer layer, an electroless plating layer, and a top coat layer are sequentially formed on the design surface of the finisher 64. Therefore, the design surface of the finisher 64 has a metallic luster due to the electroless plating layer, but the electroless plating layer is not a continuous layer, so that it is sensitive even when touching a place away from the capacitance sensor. None do. Therefore, even when a capacitance sensor is arranged inside, malfunction is less likely to occur.
  • Example 1 to 16 (Formation of primer layer) A test piece (75 ⁇ 100 ⁇ 3 mm) of PC / PET alloy resin was prepared. And the water-insoluble polyester resin (product made from Takamatsu Yushi (Pessresin wac-15x, wac-17x), Mutual Chemistry (Perescoat Z-850, Z-730, RZ-570)) was applied to the test piece diluted with a solvent. The solution was spray applied. Then, the primer layer of the layer thickness as described in Table 1 in each Example was formed by drying.
  • the water-insoluble polyester resin product made from Takamatsu Yushi (Pessresin wac-15x, wac-17x), Mutual Chemistry (Perescoat Z-850, Z-730, RZ-570)
  • test piece which passed through the catalyzer process was immersed in 5% hydrochloric acid for 30 seconds under the temperature conditions described in Table 1 in each Example. Next, washing with water was performed 4 times at room temperature.
  • the test piece in which palladium metal as a catalyst was adsorbed on the primer layer was measured at the temperature and pH shown in Table 1 in each example.
  • the sample was immersed in a nickel plating bath (composition shown below) for the time shown in Table 1 to obtain an electroless plating layer in which nickel was deposited on the surface of the primer layer. Next, washing with water was performed 4 times at room temperature.
  • Plating bath composition ⁇ Pure water glycine: 7.5 g / L ... complexing agent citric acid (anhydrous): 19.2 g / L ... complexing agent sodium hydroxide: 20 g / L ... pH adjustment ammonium sulfate: 26.4 g / L ... buffer nickel sulfate (II) Hexahydrate: 26.3 g / L ... Metal salt sodium hypophosphite (phosphinic acid salt): 21.2 g / L ... Reducing agent bismuth: 1 ppm (1 ml) ... Stabilizer sodium thiosulfate: 2 ppm ( 2ml) ... Stabilizer
  • (E) Crack generation step The formed electroless plating layer was left to dry at a temperature of 70 to 80 ° C. for 10 minutes to generate a crack. By this process, in the electroless plating layer, an isolation region described in Table 1 was generated in each example per unit area.
  • topcoat layer After forming the electroless plating layer, an acrylic urethane paint was spray-coated and then dried to form a topcoat layer having a layer thickness of 20 ⁇ m.
  • Table 1 shows that the number of isolation regions tends to increase as the plating time is shorter and the temperature of the plating bath is lower. It can also be seen that the gloss value decreases as the number of isolation regions increases. Further, regarding the color, it can be seen that the b value tends to be lower when the plating time is shorter and the pH and the plating bath temperature are lower.
  • Comparative Example 2 An electroless plating layer was formed on the surface of the test piece in the same manner as in Comparative Example 1 except that the test piece was changed to a PC / ABS resin test piece. When the surface of the obtained electroless plating layer was observed with an optical microscope (100 times, 500 times), no isolation region was observed at any magnification.
  • FIG. 5 schematically shows a reaction test of each test piece with respect to the capacitance sensor.
  • a strip-shaped sensor electrode 50 (74.5 mm ⁇ 10 mm) for sensing a change in capacitance is attached to the test piece 52.
  • a control board 54 is connected to one end of the sensor electrode 50 via a wiring (not shown), and the control board 54 transmits the change information of the capacitance of the sensor electrode 50 to an information output device such as a personal computer. Fulfill.
  • whether the sensor electrode 50 senses by touching each of the measurement areas A to E on the front surface side of the test piece 52 shown in FIG. It was done by checking whether or not.
  • the test is performed by changing the measurement distance from the sensor electrode 50 (the distance from one side of the sensor electrode, and the direction away from the sensor electrode 50 is positive) from 2 mm to -3 mm. went. Each test was performed 10 times.
  • Table 2 shows the results of the capacitance sensor reaction test described above.
  • the notation “X / 10” indicates that the capacitance sensor was sensitive X times during 10 tests.

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  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemically Coating (AREA)
  • Lock And Its Accessories (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Abstract

Cette invention concerne un élément de poignée de porte pour un véhicule, une couche d'apprêt (34), une couche de dépôt autocatalytique (36) ayant une fissure, et une couche de revêtement supérieure (38) sont séquentiellement déposées sur la surface d'une base de poignée de porte en résine (32), et des fissures sont formées de telle sorte que la couche de dépôt autocatalytique (36) est séparée en 2 à 1000 zones distinctes de 1 mm2. De préférence, il existe 2 à 150 zones distinctes de 1 mm2 de couche de dépôt autocatalytique.
PCT/JP2018/000497 2017-01-13 2018-01-11 Élément de poignée de porte pour véhicule et élément extérieur pour véhicule WO2018131652A1 (fr)

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JP2017004221A JP2018112026A (ja) 2017-01-13 2017-01-13 車両用ドアハンドル部材及び車両用外装部材
JP2017-004221 2017-01-13

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005113475A (ja) * 2003-10-07 2005-04-28 Aisin Seiki Co Ltd ドアハンドル装置
JP2012153910A (ja) * 2011-01-21 2012-08-16 Aisin Seiki Co Ltd 絶縁物品およびその製造方法
JP2014214353A (ja) * 2013-04-26 2014-11-17 三恵技研工業株式会社 電磁波透過性材料

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005113475A (ja) * 2003-10-07 2005-04-28 Aisin Seiki Co Ltd ドアハンドル装置
JP2012153910A (ja) * 2011-01-21 2012-08-16 Aisin Seiki Co Ltd 絶縁物品およびその製造方法
JP2014214353A (ja) * 2013-04-26 2014-11-17 三恵技研工業株式会社 電磁波透過性材料

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