Classifications

• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
  • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
• • 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
  • B05D1/00—Processes for applying liquids or other fluent materials
  • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
  • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
  • B05C3/04—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
  • B05C3/08—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material the work and the liquid or other fluent material being agitated together in a container, e.g. tumbled
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
  • B05C9/02—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to surfaces by single means not covered by groups B05C1/00 - B05C7/00, whether or not also using other means
• • 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
  • B05D1/00—Processes for applying liquids or other fluent materials
  • B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
  • C09J7/00—Adhesives in the form of films or foils
  • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
  • C09J7/38—Pressure-sensitive adhesives [PSA]
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
  • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
  • B05C3/04—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
  • B05C3/05—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material by applying vibrations thereto
• • 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
  • B05D1/00—Processes for applying liquids or other fluent materials
  • B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
  • B05D1/22—Processes for applying liquids or other fluent materials performed by dipping using fluidised-bed technique
• • 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
  • B05D2258/00—Small objects (e.g. screws)
• • 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
  • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
  • B05D5/10—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an adhesive surface

Definitions

• the applicant of the present application has filed an application in Japanese Patent Application Laid-Open Nos. 5-302176, 7-112160, and 7-136577, etc.
• a vibrating device is used to apply vibrations to various kinds of articles and parts), powder, and a powder film forming medium.
• the present invention relates to an adhesive layer forming method for forming an adhesive layer on the surface of a member to be processed as one step of such a powder film forming method.
• thermosetting resins are used as a resin for an adhesive substance for forming an adhesive layer.
• the resin for the adhesive substance is used by dissolving, diluting or dispersing it in an organic solvent or water. Is done.
• the member to be treated is immersed in a liquid tank of the resin liquid for the adhesive substance, which is obtained by diluting the resin for the adhesive substance with an organic solvent or the like, or by spraying the resin liquid for the adhesive substance onto the member to be treated.
• An adhesive layer is formed on the surface of the member.
• a thermosetting epoxy resin (97% resin, 3% curing agent) diluted with methyl ketone is used as a resin liquid for an adhesive substance.
• the powder adhered directly or via a powder film forming medium to a member to be processed having an adhesive layer formed on its surface is converted into a powder film forming medium.
• the adhesive substance constituting the adhesive layer covered with the powder is extruded to the surface of the powder by being hit with the powder film forming medium.
• the adhesive substance thus extruded is further coated with a powder coating.
• the adhesive substance constituting the adhesive layer is not extruded to the surface of the powder. The formation will end. Therefore, the thickness of the adhesive layer applied to the member to be processed has a decisive influence on the thickness of the powder film formed on the member to be processed.
• a member to be treated is immersed in a liquid tank of a resin liquid for an adhesive substance diluted with a solvent, or a resin liquid for an adhesive substance diluted with a solvent is applied to a member to be treated.
• a resin liquid for an adhesive substance diluted with a solvent is applied to a member to be treated.
• an adhesive layer is formed on the surface of the member to be processed. It is difficult to adjust the thickness of the resin liquid for an adhesive substance adhered to a member to be processed by such a dipping means or a spraying means. Therefore, the powder film formed on the member to be processed is required to have a desired thickness. There was a problem that it was difficult to do.
• the solvent is removed from the resin liquid for an adhesive substance applied to the member to be processed, it has been more difficult to adjust the thickness of the adhesive layer formed on the member to be processed.
• the resin liquid for an adhesive substance is applied by such a dipping means or a spraying means, the resin liquid for an adhesive substance applied to the surface of the member to be treated partially accumulates on the surface of the member to be treated. Since a so-called liquid pool is formed, there is a problem that the thickness of the adhesive layer formed on the surface of the member to be processed becomes uneven.
• thermosetting resin having a low curing temperature
• heat treatment for volatilizing a solvent or the like cannot be performed, and it is necessary to leave the resin at room temperature. Therefore, there is a problem that it takes a long time to form the adhesive layer.
• An object of the present invention is to solve the problems of the above-mentioned conventional method for forming an adhesive layer.
• the method for forming an adhesive layer according to the present invention includes an adhesive Forming a pressure-sensitive adhesive layer on the member to be processed by causing the pressure-sensitive adhesive layer-forming medium coated with the material to collide with the member to be processed and transferring the pressure-sensitive adhesive substance applied on the pressure-sensitive adhesive layer-forming medium to the member to be processed. I do.
• the adhesive layer forming medium coated with the adhesive substance and the member to be processed are placed in a container, and the adhesive layer forming medium or the member to be processed is vibrated, The adhesive layer is formed on the member to be processed by stirring the layer forming medium and the member to be processed.
• the thickness of the adhesive layer formed on the adhesive layer forming medium is set within a certain range. Hope to keep it.
• the above-mentioned adhesive substance contains a liquid substance.
• This liquid substance is desirably a liquid resin.
• This liquid resin desirably contains a hardening material.
• the adhesive substance desirably contains spacer particles.
• the adhesive substance does not substantially evaporate, and is desirably a substance.
• the method of forming a powder film according to the present invention is characterized in that the powder is adhered to the adhesive layer formed on the surface of the member to be treated by the above-described method for forming an adhesive layer, so that the surface of the member to be treated is coated with powder.
• the method is characterized in that a film is formed.
• the adhesive substance includes a spacer particle, and the spacer particle is formed of a particle of the powder.
• the present invention is configured as described above, and has the following effects.
• the pressure-sensitive adhesive layer-forming medium coated with a pressure-sensitive adhesive material having a certain thickness is caused to collide with the member to be processed, and the pressure-sensitive adhesive substance applied to the pressure-sensitive adhesive layer forming medium is transferred to the member to be processed. Since the adhesive layer is formed on the member to be processed, the thickness of the adhesive substance applied on the adhesive layer forming medium (the amount of the adhesive substance held by one adhesive layer forming medium) is adjusted. By doing so, the adhesive layer formed on the member to be processed can have a desired thickness . Therefore, in the next powder coating forming step, the powder coating formed on the surface of the member to be processed can be formed to a desired thickness.
• the pressure-sensitive adhesive layer-forming medium coated with the pressure-sensitive adhesive substance is caused to collide with the member to be processed, and the pressure-sensitive adhesive substance is transferred to the member to be processed, thereby forming the pressure-sensitive adhesive layer on the member to be processed. Therefore, as in the conventional method for forming an adhesive layer, the member to be processed is immersed in a liquid tank of the resin liquid for the adhesive substance, or a liquid pool is formed when the resin liquid for the adhesive substance is sprayed on the member to be processed. Therefore, the thickness of the adhesive layer formed on the member to be processed can be made uniform.
• the adhesive layer forming medium can be prevented from being caught by the member to be processed, and the adhesive layer formed on the member to be processed can be prevented.
• the smoothness of the surface of the deposited layer can be increased.
• the step of forming the adhesive layer can be simplified, and energy saving and pollution prevention can be realized. That can be S. Further, since it is not necessary to perform a heat treatment for removing a solvent or the like, the degree of freedom of a usable curing agent and a main agent increases.
• FIG. 1 is a front view including a partial cross section of a vibrating device to which a container as an example for attaching an adhesive substance to an adhesive layer forming medium is attached.
• FIG. 2 is a schematic perspective view of a pressure-sensitive adhesive layer forming medium to which a pressure-sensitive adhesive layer forming medium is applied and to which a spacer particle is adhered.
• FIG. 3 is a front view including a partial cross section of an adhesive layer forming apparatus for forming an adhesive layer on a member to be processed.
• FIG. 4 is a front view including a partial cross section of an adhesive layer forming apparatus of another embodiment for forming an adhesive layer on a member to be processed.
• a layer to which an adhesive substance is applied or a layer to which an adhesive substance containing a liquid substance is applied (hereinafter, simply referred to as an adhesive layer) is formed on the surface of the adhesive layer forming medium in the present invention.
• the adhesive substance does not substantially evaporate in the step of forming the adhesive layer on the member to be processed.
• the adhesive substance constituting the adhesive layer various liquid substances including a liquid resin can be used.
• the liquid substance other than the liquid resin include water glass, gelatin, glue, and lacquer.
• various resins such as an epoxy resin, a polyester resin, an acrylic resin, a polyurethane resin, a fluororesin, and a melamine resin can be used.
• compounds such as various resins can be appropriately added as a viscosity reducing agent.
• a curing agent can be added to the liquid resin as the adhesive substance.
• granular spacer particles can be added to a liquid substance as an adhesive substance constituting the adhesive layer.
• curing agent various curing agents such as dicyandiamide, imidazole, isocyanate, acid or anhydride thereof can be used.
• spacer particles fine particles composed of silica, anolemina, zirconia, aluminum hydroxide, various metals, various resins, and the like can be used.
• the size and the amount of addition are appropriately selected depending on the shape and size of the adhesive layer forming medium, etc., but preferably, the particle size is about 120 / m, and the volume ratio in the adhesive substance is It is about 5-30%.
• the material of the adhesive layer forming medium is iron, carbon steel, other alloy steels, copper and copper alloys, and iron. Nominium and aluminum alloys, other various metals and alloys or Al ⁇ , SiO, Ti ⁇
• Adhesive layer forming medium Adhesive layer forming medium
• the size, material, and the like can be appropriately selected according to the shape and size of the member to be treated, the material of the powder constituting the film formed on the member to be treated, and the like. Further, a plurality of sizes and materials of the adhesive layer forming medium may be mixed and used, or the adhesive layer forming medium may be used after surface treatment and surface coating.
• the adhesive layer forming medium spherical, elliptical, cubic, triangular prism, cylinder, cone, triangular pyramid, quadrangular pyramid, rhombohedral, irregularly shaped bodies, and various other shapes can be used.
• the layer forming medium can be used alone or in a suitable mixture.
• the size of the pressure-sensitive adhesive layer forming medium when the pressure-sensitive adhesive layer forming medium is spherical, the particle size is about 0.3 mm to several mm.
• a vibration device V with a container C attached thereto as shown in Fig. 1 may be used. it can.
• vl is the machine base of the vibration device V
• the machine board vl is provided with a diaphragm v3 via a coil spring v2, and a container C is attached to the board v3.
• a motor v4 is attached to the lower surface of the diaphragm v3, and a weight v6 is eccentrically attached to an output shaft v5 of the motor v4. Accordingly, by driving the motor v4, the eccentric weight v6 rotates, so that the container C attached to the diaphragm v3 is vibrated.
• a mixture of the above-mentioned liquid substance as an adhesive substance and an adhesive layer forming medium, or a mixture of a liquid resin as an adhesive substance to which a curing agent is added and an adhesive layer forming medium, or a spacer A mixture of a liquid substance as an adhesive substance to which one particle is added and an adhesive layer forming medium is put into a container C arranged in a vibration device V as shown in FIG. 1 and mixed.
• a liquid material, a liquid resin to which a curing agent is added, or a liquid material in which spacer particles are dispersed is uniformly applied to the surface of the pressure-sensitive adhesive layer forming medium.
• an adhesive layer forming medium having an adhesive layer formed on the surface is produced.
• Fig. 2 shows the adhesive formed by putting a mixture of the spacer particles, the adhesive substance, and the adhesive layer forming medium into the container C attached to the vibration device V as described above.
• 1 schematically shows an adhesive layer forming medium having a layer.
• the pressure-sensitive adhesive layer forming medium ml thus prepared is coated with the pressure-sensitive adhesive substance m2, and has a predetermined amount of a spacer particle m3 having the surface coated with the pressure-sensitive adhesive substance.
• the thickness of the pressure-sensitive adhesive layer formed on the surface of the pressure-sensitive adhesive layer forming medium is determined by the total amount of the surface area of the pressure-sensitive adhesive layer forming medium charged into the container C and the liquid material as the pressure-sensitive adhesive charged into the container C Can be arbitrarily set by appropriately adjusting the amount of.
• the pressure-sensitive adhesive layer-forming medium having the pressure-sensitive adhesive layer formed as described above was placed in a container C attached to the same vibration device V as in FIG. And a workpiece W to which the adhesive substance is not substantially adhered.
• the adhesive layer is formed, and the adhesive layer forming medium ml and the adhesive substance are substantially adhered to each other.
• the adhesive layer forming medium ml and the member W to be processed are vibrated so that the adhesive layer forming medium ml having the adhesive layer formed thereon collides with the member W to be processed. Or rub.
• the expression of rubbing may be appropriate.
• such rubbing collision is simply referred to as collision.
• the adhesive layer applied to the adhesive layer forming medium ml is transferred to the processing target material W, in other words, the adhesive layer applied to the adhesive layer forming medium ml is peeled off by the processing target member W.
• an adhesive layer is formed on the surface of the workpiece W.
• the process of transferring the adhesive layer applied to the adhesive layer forming medium ml to the member to be processed W, and then separating the adhesive layer forming medium ml from the member to be processed W is repeated, whereby An adhesive layer having a predetermined thickness is formed on the member W.
• the adhesive layer can be formed on the surface of the processing target member W in the same manner as described above even when the pressure-sensitive adhesive layer forming medium ml on which the pressure-sensitive adhesive layer is formed and the processing target member W are stirred by a stirrer.
• the thickness of the adhesive substance applied to the surface of the adhesive layer forming medium (or the amount of the adhesive substance held and held by one adhesive layer forming medium) is adjusted.
• the viscosity of the liquid substance constituting the pressure-sensitive adhesive layer and the amount of the spacer particles By adjusting the viscosity of the liquid substance constituting the pressure-sensitive adhesive layer and the amount of the spacer particles, the pressure-sensitive adhesive layer formed on the member to be processed can have a desired thickness.
• the amount of the pressure-sensitive adhesive layer forming medium used needs to be sufficiently large regardless of the desired thickness of the pressure-sensitive adhesive layer.
• the adhesive layer forming medium to which the adhesive substance has been applied must be spread all over the surface of the member to be treated and extremely many times. It is necessary to hit or rub.
• the pressure-sensitive adhesive layer formed on the member to be processed can be set to a desired thickness.
• the powder film to be formed can be adjusted to a desired thickness.
• the adhesive substance constituting the adhesive layer formed on the adhesive layer forming medium does not include a substance which is removed by evaporation
• the adhesive layer formed on the member to be processed is also evaporated. Contains no material to be removed. Therefore, since it is not necessary to heat-treat the member to be processed and evaporate the solvent and the like, the time required for forming the adhesive layer can be reduced as compared with the conventional method of forming the adhesive layer on the member to be processed, and energy can be saved. And is advantageous from the viewpoint of pollution prevention. Further, the thickness of the adhesive layer once formed on the member to be processed does not fluctuate due to evaporation, so that the thickness of the adhesive layer can be easily managed.
• thermosetting resin having a low curing temperature is easily used as an adhesive substance. it can.
• an adhesive layer-forming medium ml to which an adhesive substance m2 is applied and to which a spacer particle m3 having an adhesive substance applied thereto is adhered is used. It is preferable to do so.
• an adhesive layer forming medium ml, an adhesive substance m2, and spacer particles m3 will be referred to as “adhesive substance 'medium with spacer m0” ”.
• the adhesive material 'medium with spacer' mO is charged into the container C attached to the vibrating device V shown in FIG. 3, and further, the adhesive material is substantially applied. Load the unprocessed workpiece W.
• the adhesive material spacer The attached medium mO and the member to be processed W are vibrated, and the adhesive substance 'medium with spacer spacer mO is caused to collide with the member to be processed W.
• the adhesive substance m2 and the spacer particles m3 attached to the adhesive layer forming medium ml are transferred to the processing target member W, in other words, the adhesive substance adhering to the adhesive layer forming medium ml.
• the m2 and the spacer particles m3 are peeled off by the member to be processed W, and an adhesive layer composed of the adhesive substance m2 and the spacer particles m3 is formed. Thereafter, the adhesive layer forming medium ml is separated from the member to be processed W. By repeating such a process, an adhesive layer composed of the adhesive substance m2 and the spacer particles m3 and having a predetermined thickness is formed.
• the adhesive substance 'spacer-attached medium mO is caused to collide with the member W to be treated, but the granular adhesive particles m3 adhere to the adhesive layer-forming medium ml, and the adhesive layer-forming medium ml is damaged. Therefore, the contact area between the adhesive layer forming medium ml and the member to be processed W is smaller than when the adhesive layer forming medium ml to which the spacer particles m3 are not adhered collides with the member to be processed W. Becomes smaller. Therefore, the adhesive force between the member to be processed W and the adhesive layer forming medium ml is reduced, and the adhesive layer forming medium ml may be captured by the member to be processed W.
• the adhesive layer forming medium ml When the adhesive layer forming medium ml is captured on the surface of the member to be processed W, the target powder film, and eventually, the continuous film formed on the surface of the member to be processed after the heat curing of the powder film, is partially removed. Becomes a defect, and in order to avoid the generation of such a defect, it is effective to use a spacer-particle m3.
• the powder particles finally formed by using the adhesive layer also contain the spacer particles m3, the particles of the powder constituting the powder film are removed by the spacer particles. By using the particles m3, the spacer particles m3 can be effectively used for forming a powder coating.
• the adhesive layer forming medium ml to which the spacer particles m3 adhere and collide with the adhesive layer formed on the member to be processed W and rolls over the surface of the member to be processed W becomes sticky.
• the depth of the depressions, shedding forces and grooves formed in the layer is smaller than that in the case of using the adhesive layer forming medium ml to which the spacer particles m3 are not attached, so that the layer is formed on the workpiece W.
• the surface smoothness of the adhesive layer can be increased.
• Fig. 1 shows a powder film forming device. Use shaker V with vessel C shown attached.
• the portion to be processed #W having the adhesive layer formed thereon, the powder constituting the powder film, the same powder film forming medium as the above-mentioned adhesive layer forming medium, and the like are charged, and the vibrating device Vibration is applied to the container C by V to form a powder film on the surface of the workpiece W.
• a powder film forming apparatus is disclosed in Japanese Patent Application Laid-Open Nos. 5-302176, 7-112160, 7-136577, and the like, which are filed by the applicant of the present invention. I have.
• the powder adhered directly or via a powder film forming medium to the member to be processed having an adhesive layer formed on the surface is beaten by the powder film forming medium. Is pressed or pressed into the adhesive layer.
• the adhesive substance constituting the adhesive layer covered with the powder is extruded to the surface of the powder by being hit with the powder film forming medium.
• the powder film forming medium collides with the extruded adhesive substance in this manner the powder adhering to the powder film forming medium is transferred to the member to be processed, and the powder on the member to be processed is powdered. Body adhesion progresses. Then, even when the member to be treated is hit with the powder film forming medium, the adhesive substance constituting the adhesive layer is not extruded to the surface of the powder. Will end.
• the powder film forming medium has a function of hitting powder adhered to the adhesive layer on the surface of the member to be processed, pressing or pressing the powder into the adhesive layer, and causing the powder to adhere to the adhesive layer. Yes.
• the powder film forming medium also extrudes the adhesive substance constituting the adhesive layer below the powder onto the surface of the powder by hitting the powder adhered to the adhesive layer, and further extrudes the extruded adhesive layer. It has the function of adhering the powder to the adhesive substance constituting the above, and adhering the powder to the surface of the member to be processed in a multi-layer and at a high density.
• the powder film forming medium performs a kind of transfer operation, in which the powder adhering to the powder film forming medium is transferred to the member to be processed by colliding with the member to be processed. It has the function of accelerating deposition on the surface of the body to be treated.
• a heat treatment is performed after forming a powder coating on a member to be processed as described above.
• the powder film formed on the surface of the member to be processed is heated, powder components having a melting point equal to or lower than the heating temperature in the powder constituting the powder film are melted, and the surface of the film becomes smooth, Penetrates into gaps between powder components with melting points above the heating temperature And a dense film is formed.
• the liquid resin which is a component of the adhesive layer formed on the member to be processed before the powder film is formed, and the low melting point component in the powder film, which has been melted by heating, are cured by the action of the curing agent. .
• the curing agent at this time is added to both the adhesive for forming the adhesive layer, the powder for forming the powder layer, or only the powder.
• liquid resin an epoxy resin was used, and in order to reduce the viscosity of the epoxy resin, an epoxy-based reactive diluent was added in a ratio of 30 parts of the reactive diluent to 100 parts of the epoxy resin.
• Dicyandiamide was used as a curing agent.
• spacer particles spherical particles made of acrylic resin and having a particle diameter of 5 xm were used, and as the adhesive layer forming medium, spheres made of dinorecone having a particle diameter of lmm were used.
• the MQ bonded magnet with the adhesive layer formed was placed in a container for forming a powder layer and vibrated.
• the container and the vibration device used were the same in size and type as those for forming the adhesive layer described above.
• 3 kg of rubber-lined alumina spherical particles having a particle diameter of 0.5 mm was used as a powder layer forming medium.
• the adhesive layer is formed.
• the amounts of the adhesive substance, curing agent and spacer particles added to the forming medium had to be kept within a certain range.
• these components were initially added with 20 g of an epoxy resin added with a reactive diluent, 2 g of a hardener, and 4 g of spacer particles. By subjecting the member to be treated to the formation of the adhesive layer, these additional components are consumed. If the consumption exceeds a certain range, it is necessary to replenish the additional components.
• a characteristic configuration of the method for forming an adhesive layer of the present invention is that a solvent is not contained in a liquid resin (liquid thermosetting resin) mixed with a curing agent. Accordingly, unlike the conventional method for forming an adhesive layer, it is not necessary to perform a heat treatment for removing a solvent or the like on the member to be processed to which the liquid thermosetting resin is applied, so that the time for forming the adhesive layer is reduced. And save energy.
• the pressure-sensitive adhesive layer-forming medium can be prevented from being caught by the member to be processed.
• a pool of the resin liquid for the adhesive substance generated by immersing the member to be treated in the liquid tank of the resin liquid for the adhesive substance, or spraying the resin liquid for the adhesive substance onto the member to be treated can be prevented, and therefore, the viscosity formed on the surface of the member to be processed can be reduced.
• the thickness of the deposited layer can be made uniform.
• the pressure-sensitive adhesive layer-forming medium collides with the member to be processed, and the pressure-sensitive adhesive substance-spacer particles attached to the pressure-sensitive adhesive layer-forming medium migrate to the member to be processed.
• an adhesive layer having a predetermined thickness is formed on the member to be processed.
• the amount of the adhesive substance and the amount of the spacer particles transferred from the adhesive layer forming medium to the member to be processed depend on the area of the part of the member to be processed on which the adhesive layer is formed and the part thereof.
• the adhesive layer forming apparatus shown in FIG. Since it can be calculated in advance from the average thickness of the formed adhesive layer, after the member W on which the adhesive layer is formed is removed from the container C by the adhesive layer forming apparatus shown in FIG.
• the amount of the adhesive substance and spacer particles consumed by the member is calculated, and the calculated amount is put into the container C by a dispenser or the like, so that the material is transferred to the adhesive layer forming medium and to the member to be processed.
• the applied amount of adhesive and spacer particles can be replenished. In this way, a new member to be processed is charged into the container C containing the adhesive layer forming medium to which the adhesive substance and spacer particles in the initial state are attached, and the adhesive layer having a predetermined thickness is formed.
• the member to be processed can be formed repeatedly on the surface.
• the member W to be processed which is sucked and held by the suction pad 1
• the member W to be processed which is sucked and held by the suction pad 1
• the suction pad 1 is placed on the adhesive layer forming medium to which the adhesive substance is applied. Arrange so that it contacts the medium.
• a pipe 2 connected to the suction pad 1 is attached to a support member 3, and a flexible pipe 4 is connected to the pipe 2.
• the flexible pipe 4 is connected to an air suction source device 6 via a valve 5. By opening the valve 5, the workpiece W is suction-held on the suction pad 1.
• the container C attached to the diaphragm v3 is vibrated, and as shown in FIG. Form.

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Application Of Or Painting With Fluid Materials (AREA)
• Adhesives Or Adhesive Processes (AREA)
• Adhesive Tapes (AREA)
• Other Surface Treatments For Metallic Materials (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=33508643

Family Applications (1)

Country Status (8)

Families Citing this family (14)

Citations (5)

Family Cites Families (8)

• 2003
  • 2003-06-06 JP JP2003161500A patent/JP4396879B2/ja not_active Expired - Fee Related
• 2004
  • 2004-06-02 TW TW093115782A patent/TW200502434A/zh not_active IP Right Cessation
  • 2004-06-02 CN CNA2004800156211A patent/CN1802221A/zh active Pending
  • 2004-06-02 KR KR1020057023297A patent/KR101061918B1/ko not_active Expired - Lifetime
  • 2004-06-02 WO PCT/JP2004/007626 patent/WO2004108304A1/ja not_active Ceased
  • 2004-06-02 US US10/559,435 patent/US7354621B2/en not_active Expired - Lifetime
  • 2004-06-02 CA CA002528491A patent/CA2528491A1/en not_active Abandoned
  • 2004-06-02 EP EP04745525A patent/EP1645338A4/en not_active Withdrawn

Patent Citations (5)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events