CN103203304A - Method for coating material application to substrate and device for coating material application - Google Patents
Method for coating material application to substrate and device for coating material application Download PDFInfo
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- CN103203304A CN103203304A CN2013100155760A CN201310015576A CN103203304A CN 103203304 A CN103203304 A CN 103203304A CN 2013100155760 A CN2013100155760 A CN 2013100155760A CN 201310015576 A CN201310015576 A CN 201310015576A CN 103203304 A CN103203304 A CN 103203304A
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- coating
- roll
- base material
- applicator roll
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- 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
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- 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
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller
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- 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
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
- B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
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- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/343—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one DLC or an amorphous carbon based layer, the layer being doped or not
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- 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
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
- B05D2203/35—Glass
Abstract
The invention relates to a method for coating a material application to a substrate and a device for coating the material application. In order to thinly, uniformly and highly-efficiently coat the material application to surfaces of single or continuous glass or resin films, sheets and plates, the method and the device are provided. The method comprises providing the material application to a coating roll and then coating the material application to the surfaces of the conveying substrate through rotation of the coating roll, wherein the substrate is single or continuous. In a coating roll and a coating amount control roll in rotary contact with an outer surface of the coating roll, at least the coating amount control roll enables hydrophilic DLC film to form a film on surface of the roll. The coating amount control roll or a scraper is contacted with the coating roll, so as to coat the material application on the outer surface of the coating roll to be uniform and thin; and the outer surface is contacted with the conveying substrate through rotation of the coating roll, thereby coating the uniform and thin material application on the coating roll onto the substrate.
Description
Technical field
The present invention relates on the surface of base material can be with the method for the thinness coating composition of nanometer (nm) unit and the apparatus for coating of this method of use.
Background technology
In recent years, solar generator is popularized widely.The back substitute as nuclear energy generator of Japanese violent earthquake generation has caused people's attention to solar generator in east.But, be limited with generating efficiency or the productivity ratio of present solar generator.One of its reason is that the light/photoelectric transformation efficiency of light/electric switch element is low.In addition, the solar generator of She Zhiing is owing to often be exposed in wind and rain or the sand and dust without, thus the front glass surface sediment of solar generator incrustation scale, sand and dust etc. interdicted sunshine, make refractive index become big, light transmission and worsen the very big factor that also becomes.
For the pollution that prevents front glass, make that optical index diminishes, light/electric switch element efficient highland absorbs sunshine, on the surface of front glass, be the functional etchant resist that the film of 100nm forms the film thickness homogeneous with thickness in the prior art.Most of PVD method (physical vaporous deposition) that adopts in the film build method of the functional etchant resist of prior art.Therefore the PVD method has the shortcoming of producing rate variance owing to film forming in vacuum environment.
Developed various on base material coated thin film, the particularly technology of DLC film.As one of them, the patent application (patent documentation 1) of developing before the applicant is arranged.In patent documentation 1, disclose the DLC film of pair roller film build method, have the DLC film forming roller of DLC film.Other also has film build method as the DLC film, make the patent documentation 2 ~ 8 of the parts that DLC film film forming obtains.Though the wearability of the base material that is provided with the DLC film of patent documentation 1 ~ 8 improves, but therefore lack hydrophily owing to have water repellency, it is even to be easy to generate crawling, make that easily coating thickness is inhomogeneous, therefore, even to the film forming of the front glass surface applications etchant resist of solar generator, the improvement of the anti-pollution and refractive index of front glass is also not necessarily abundant.
[prior art document]
[patent documentation]
[patent documentation 1] Japan Patent spy opens the 2010-189694 communique
[patent documentation 2] Japan Patent spy opens the 2004-323973 communique
[patent documentation 3] Japanese patent laid-open 11-181572 communique
[patent documentation 4] Japan Patent spy opens the 2003-147527 communique
[patent documentation 5] Japanese patent laid-open 10-219450 communique
[patent documentation 6] Japanese patent laid-open 10-29762 communique
[patent documentation 7] Japan Patent spy opens the 2010-137540 communique
[patent documentation 8] Japan Patent spy opens the 2010-137543 communique
Summary of the invention
[problem that invention will solve]
Problem of the present invention is; in order to protect the substrate surface that uses in the various fields, prevent from polluting, improve light transmission, improve electric conductivity, to guarantee insulating properties etc., being implemented on the substrate surface can be equably, be coated with method and its device of various coating with desirable thickness.
[solving the method for problem]
[to the paint coating method of base material]
Paint coating method to base material of the present invention is, adopt and applicator roll (コ ー タ ー ロ ー Le) contact the doctor-roll that rotates, perhaps adopt the coating that is coated with on the outer peripheral face of scraper with applicator roll that contacts with applicator roll even thin, by under normal temperature, atmospheric pressure, making applicator roll rotation, will be coated method on the above-mentioned base material in the transmission by even thin above-mentioned coating on the outer peripheral face of applicator roll.
Above-mentioned base material is so long as membranaceous, sheet, tabular, panel shape etc. plane, single leaf and continuous all passable.Base material is not subjected to the restriction of material or purposes, and the material that uses in any material and any field is all passable.Example as the material of base material has glass, resin, metal, carbon etc.Example as the purposes of base material has, the front glass of solar generator, optics (video equipment, business machine) with the protection panel of the display panel of the display floater of panel, film, lens, organic EL film, inorganic EL film, TV or navigator etc., computer, portable equipment etc. or film, luminaire, building materials with or the glass used of optical device, semiconductor wafer, sensor with protecting the film that uses in panel, other various fields, sheet, plate, panel etc.
Above-mentioned coating has anti-corrosive coating (containing functional anti-corrosive coating), electrically-conducting paint, coatings, protective coating, enhancing coating, UV light opaque, antistatic coating, pigmented finiss, functional coat agent etc.The functional coat agent is that viscosity is little and liquid, is water-soluble or organic solvent soluble, has the character of air drying.The preferred function coating agent is the material of good fluidity as far as possible.
Above-mentioned applicator roll and doctor-roll both sides or wherein on either party can use the roller that makes hydrophily DLC film (class is bored carbon (Diamond Like Carbon)) film forming on the roller surface.Doctor-roll can be for applying the engraved roll with hydrophily DLC film that carved engraved roll surface obtains hydrophily DLC film film forming on the roller surface.Engraving preferably makes above-mentioned hydrophily DLC film film forming for the ultra-fine ditch with micron (μ m) unit forms different shape, decorative pattern etc. in its surface and its ditch.
Above-mentioned scraper also can make hydrophily DLC film obtain at its surface filming for being applied with engraving at the contact-making surface with applicator roll.The engraving in this case also situation with the engraving of above-mentioned doctor-roll is the same, for the ultra-fine ditch with micron (μ m) unit forms different shape, decorative pattern etc., preferably makes above-mentioned hydrophily DLC film film forming in the ditch of the surface of contact-making surface and engraving.
In coating process of the present invention, can make the direction of rotation of applicator roll opposite with the direction of transfer of base material.
In above-mentioned coating process, make applicator roll rotary speed for base material by applicator roll below during be below 1 rotation, preferably do not take place because the superfluous crawling on base material that causes of the rotation of applicator roll is spared.
In above-mentioned coating process, can cool off coating.Cooling can directly be cooled off, and perhaps cools off indirectly by cooling doctor-roll and applicator roll both sides or either party.
In above-mentioned coating process, the thickness of the base material that measure to transmit can be regulated interval between applicator roll and the base material according to its measurement result, and to the thickness of the coating agent of base material coating.Can carry out this adjusting by the interval of regulating between doctor-roll and the applicator roll, perhaps can carry out this adjusting by the height that automatic or manual is regulated applicator roll.
[coating apparatus for coating]
Coating apparatus for coating of the present invention has doctor-roll, applicator roll and paint feeding device, it will be for sparing thin from the coating of coating on the applicator roll that paint feeding device is supplied with by contacting of applicator roll and doctor-roll or scraper, rotation by this applicator roll, the coating on above-mentioned applicator roll surface is coated coating apparatus for coating on the base material in the transmission, applicator roll and doctor-roll both sides or either party roller make hydrophily DLC film film forming on the roller surface, above-mentioned doctor-roll or scraper contact with applicator roll, the coating that is coated with on can the outer peripheral face with applicator roll is even thin, by the rotation of above-mentioned applicator roll, at normal temperature, the coating on this applicator roll surface can be coated on the base material under the atmospheric environment.
As mentioned above, the doctor-roll of above-mentioned apparatus for coating can be to be formed with the ditch of ultra-fine ditch, the engraved roll with hydrophily DLC film that hydrophily DLC film film forming is obtained.
As mentioned above, the scraper of above-mentioned apparatus for coating preferably is applied with engraving at the contact-making surface with applicator roll, makes hydrophily DLC film film forming in its surface.
Above-mentioned apparatus for coating, can the coating refrigerating function be set in paint feeding device and can make the coating cooling, also can coolant channel be set applicator roll and doctor-roll both sides or either party, can cool off those rollers by the cold-producing medium that flows through coolant channel and cool off coating.In this case, the thermometer of the temperature of measuring coating agent is set, can be according to its measurement result cooling coating agent.Preferred temperature is counted contactless.
[invention effect]
[to the effect of the paint coating method of base material]
Paint coating method to base material of the present invention has following effect.
1, owing to be coated with under normal temperature, atmospheric pressure, it is easy therefore to be coated with operation.
2, be at coating that viscosity is little, liquid, water-soluble or organic solvent is solvable, under the situation of the functional coat agent of dry character under the normal temperature, because the film that forms at base material rapid (tens of approximately seconds) drying, therefore do not need force drying, can be coated with to high-speed and continuous operation, improve the productivity ratio of film forming.
3, use under the situation of above-mentioned functions coating agent, owing to the functional membrane that is coated with about Vickers hardness 9H, therefore can access the coated substrate that is difficult for damage (having weatherability), for example, the solar generator panel.
4, use under the situation of above-mentioned functions coating agent, owing to obtain the coated substrate of light transmittance about 80 ~ 96%, so light transmission is good, if in the front panel of solar generator, use then can access the panel that waste minimizing, the refractive index of sunshine is little, can effectively utilize sunshine.
5, using under the situation of above-mentioned functions coating agent, is functional membrane below 3 ° owing to be coated with the contact angle of water, and can access therefore that the water capacity easily flows, incrustation scale etc. is difficult for adhering to, having the panel of weatherability.
6, owing to both sides or either party roller at applicator roll and doctor-roll make the hydrophily DLC material of film forming from the teeth outwards, therefore, make coating particularly water soluble paint merge (Tame easily and dye body) on doctor-roll, and diffusion easily.
7, contact with doctor-roll or scraper by applicator roll, it is thin and even that the coating that is coated with on the applicator roll becomes, and can access the coated substrate that film forming has the thin film of 10nm ~ 300nm.
8, as doctor-roll, if use the engraved roll with the DLC film that applies on the surface of carving the engraved roll that obtains from the teeth outwards, DLC film film forming is obtained at the ultra-fine ditch with micron (μ m) unit, then make coating be blended in engraved roll easily, make all to be that (film of 10nm ~ 300nm) is with uniform thickness easy film forming on substrate surface in nm unit.For the ultra-fine ditch with micron (μ m) unit applies engraving, make the DLC film in its surface under the situation of film forming at the contact-making surface of scraper, also with use the situation with the engraved roll of DLC film the same, make film easily with the uniform thickness film forming.
If 9 make the direction of rotation of applicator roll opposite with the direction of transfer of base material, then coating can be coated with thinly.
If 10 make applicator roll rotary speed for base material by applicator roll below during be below 1 rotation, striped (can not occur crawling even, in uneven thickness) then can not appear on the coated film, can be with the uniform thickness film forming.
If 11 cooling coating then can prevent the inequality of the thickness that caused by intensification, film forming that can uniform thickness.
12, owing to applicator roll contacts for the base material line, along the substrate surface coating composition, so can access the film forming of film, uniform thickness.
13, can replace the film build method of in the past rotating coating, curtain coating, infusion process etc. to use.
14, because according to the thickness adjustment applicator roll of base material and the interval between the base material, so can be adjusted to film thickness according to the thickness of base material.
[effect of coating apparatus for coating]
Coating apparatus for coating of the present invention has following effect.
1, owing under normal temperature, atmospheric environment, dispose, therefore easily operation field is arranged.In addition, compare coating apparatus with PVD method in the past and become succinct.
2, owing to make hydrophily DLC film forming on the surface of doctor-roll, therefore little, liquid, water-soluble or organic solvent is solvable, under the situation of the functional coat agent of air drying character, can make the coated film film forming of 10nm ~ 300nm equably at base material in viscosity.
3, owing to have the DLC film the both sides of applicator roll and doctor-roll or either party roller surface, therefore improve the wearability of doctor-roll, make doctor-roll durable.In addition, because exchange span lengthens, the exchange frequency of doctor-roll diminish, so safeguard easily, also be economical.Subsidiary one carries, under the situation of the general doctor-roll that use rubber or nickel/chromium is electroplated, owing to the surface energy big (surface tension is big) of these materials, owing to the fricative frictional heat or the outside air temperature that contact of doctor-roll with applicator roll, worry the rising of coating temperature, but on using doctor-roll or at least one side of applicator roll among the present invention of the roller of possess hydrophilic property DLC film, the surface of its roller can reduce, hydrophily increases, friction between doctor-roll and the applicator roll reduces, and coating heats up few.
4, be set in its surface for the ultra-fine ditch of micron (μ m) unit under the situation of engraved roll of different shape of clathrate, cellular, curve-like, oblique line shape etc. at doctor-roll, coating become the inside that enters ditch easily, easily to the diffusion into the surface of whole applicator roll, make the thin and homogenising of coating to the applicator roll coating, can be on whole of base material the thin coated film of film forming 10nm ~ 300nm equably.In addition, stop up owing to be difficult for producing air in the ditch, bubble is difficult for stockpiling, so be difficult for forming aperture etc. in the coated film that base material is coated with.
5, the contact-making surface at scraper applies engraving, makes the DLC film in the situation of its surface filming for the ultra-fine ditch with micron (μ m) unit, and is also the same with the situation of using the engraved roll of having the DLC film, makes to make forming thin film with uniform thickness easily.
6, because doctor-roll is engraved roll, the inside of the ditch that therefore the functional coat agent is become to enter engraving easily and to whole roller diffusion into the surface, make to the thin and homogenising of the functional coat agent of applicator roll coating, make the thin functional coated film of several 10nm ~ number 100nm can be on whole of base material film forming equably.In addition, stop up owing to be difficult for producing air in the ditch, bubble is difficult for stockpiling, so be difficult for forming aperture etc. in the functional coated film that base material is coated with.
7, general rubber or the nickel/chromium of using is electroplated in doctor-roll, because the surface of these materials is (surface tension is big) greatly, in addition, because fricative frictional heat or outside air temperature between doctor-roll and applicator roll, worry the rising of coating agent temperature, but in the apparatus for coating of the present invention, owing to use the doctor-roll with functional DLC film, the surface of doctor-roll can reduce, hydrophily increases, friction between doctor-roll and the applicator roll reduces, and coating agent heats up also few.
Description of drawings
Fig. 1 is the key diagram of an example of demonstration coating apparatus for coating of the present invention.
Symbol description
1 deflector roll
2 doctor-rolls
3 applicator rolls
4 backing rolls
5 base materials
6 coating
7 paint feeding devices
8 temperature sensors
The specific embodiment
[to the embodiment of paint coating method and the coating apparatus for coating of base material]
Paint coating method and coating apparatus for coating to base material of the present invention can be coated with the base material that uses in the various fields.An example of paint coating method of the present invention and coating apparatus for coating below is described.
As shown in Figure 1, coating apparatus for coating of the present invention has deflector roll 1, doctor-roll 2, applicator roll 3 and backing roll 4.In this apparatus for coating, the rotation by deflector roll 1 transmits base material 5 to the direction of arrow (left side of Fig. 1), when being sent to the top of backing roll 4, with applicator roll 3 with coating 6 coat this base material 5 above.
In the paint coating method to base material of the present invention, can use above-mentioned apparatus for coating, but also can use other apparatus for coating.State in the use under the situation of apparatus for coating, this apparatus for coating is arranged in normal temperature, atmospheric environment and use.
Base material can be single phyllopodium material that each sheet separates, also base material that can be continuous.Base material is the material of glass system, resin system, carbon system, metal various material systems.Base material is film, sheet, plate (panel); for example, for the front glass of solar generator, optics (video equipment or business machine) with the protection panel of the display panel of display floater, computer or the portable equipment etc. of panel, film, lens, organic EL film, inorganic EL film, TV or navigator etc. or film, luminaire, building materials with or the glass used of optical device, semiconductor wafer, sensor with protecting the film that uses in panel, other various fields, sheet, plate, panel etc.
The coating that uses among the present invention can be according to the purposes of base material after the film forming and difference can be general anti-corrosive coating (containing functional anti-corrosive coating), electrically-conducting paint, coatings, protective coating, enhancing coating, UV light opaque, antistatic coating, pigmented finiss etc.Can the function of use coating agent as coating.The functional coat agent is water-soluble or organic solvent is solvable, the material that viscosity is little, for example following stickum of preferred 1.3Pas especially.In addition, preferably can prevent panel surface pollution, non-easy damaged (having excellent weather resistance), transparent, can not become is difficult for the coating agent of printing opacity (light transmission excellence) characteristic.In addition, improve in order to make the adhesiveness to becoming film base material, preferably contain the material of binding agent.For example, that suitable is the silica (SiO of 1nm ~ 10nm particle diameter
2) content at the transparent inorganic binding agent below 5%.The surface of all base materials such as glass, stainless steel (metal), resin is formed with visual sightless trickle concavo-convex.Contain the transparent inorganic binding agent of the silica of 1nm ~ 10nm particle diameter by use, improved the adhesiveness to these convex-concave surfaces.In addition, just do not have the functional material of the photocatalyst oxidizes titanium of effect, anlistatig tin oxide etc. to become to be exposed to the surface easily, to bring into play the characteristic of functional coat agent easily if do not expose the surface of base material.
As the above-mentioned functions coating agent, for example, suitable is the AS-LR coating (liquid) of the ジ ャ パ of Co., Ltd. Application Na ノ コ ー ト.The AS-LR coating is for containing the material of silica as inorganic binder, for utilizing the cohesiveness that inorganic oxide was had (molecular separating force) centered by silica, the cohesiveness that increases when being suppressed at solvent evaporates can make the material of the high forming thin film of transparent adhesiveness in normal temperature.This functional coat agent be have that antistatic, waterproof is polluted, the material of the various characteristics of anti-infrared, antiultraviolet, antireflection, low refraction, sound insulation.
Paint coating method to base material of the present invention can be according to the material of base material and difference for example under the situation of resin etc., can make the coating film forming by priming paint is coated on the substrate surface.
Between doctor-roll 2 and applicator roll 3, or doctor-roll 2 and applicator roll 3 both sides or either party supply with coating 6.Be attached to remaining coating in the coating 6 on applicator roll 3 surfaces by the doctor-roll 2 to the direction rotation opposite with applicator roll 3 struck off spare thin, feasible with uniform thickness coated substrate 5.
Be applicator roll 3 is set in 1 rotation to get off rotary speed during by applicator roll 3 belows according to base material 5 preferably, make and (the thick system ラ of meat) in uneven thickness do not take place in the coating of coating on the base material 5.If when base material 5 by during the below of applicator roll 3, more than 1 rotation of applicator roll 3 rotations, then becoming is easy to generate contact inhomogeneous (non-uniform film thickness is even) to the coating of substrate.
In doctor-roll 2, applicator roll 3 both sides or at least one side, can use hydrophily DLC film (amorphous carbon film) at the roller of roller surface filming.By using this roller, hydrophilic coating becomes and is blended in easily on the DLC film, and the coating on applicator roll 3 surfaces is spread on its whole surface with uniform thickness easily, easily with coating with uniform thickness film forming on the surface of base material 5.Can use in the doctor-roll 2 the engraved roll surface be provided with hydrophily DLC film with the engraved roll of hydrophily DLC film, the ultra-fine ditch of micron (μ m) unit is set to clathrate, helical form, oblique line shape, cellular etc. different shape on described engraved roll surface.By using such roller, make hydrophilic coating be blended in the roller surface easily, the coating on applicator roll 3 surfaces is spread on its whole surface so that uniform thickness is very thin easily, easily with coating with uniform thickness film forming on the surface of base material 5.In general, implement rubber or nickel chromium triangle plating at the surfacing of doctor-roll, but the water repellency height of these materials, be under the water miscible situation at coating, repel fully, the pattern of ditch that has an engraved roll surface to the situation that base material shifts, does not have this situation via applicator roll among the present invention.
The viscosity of the coating among the present invention (flowability) is subjected to the influence of outside air temperature easily.In applicator roll, use the material of rubber system usually.The applicator roll of rubber system carries heat through turning round continuously for a long time.In case carry heat then coating is heated, it is big that viscosity becomes, the mobile reduction, and becoming is difficult to thin and film forming equably.In order to address this problem, the present invention as shown in Figure 1, preferably in paint feeding device (jar) 7, temp regulating function is set, near the coating of supplying with between doctor-roll 2 and the applicator roll 36, non-contact temperature sensor 8 is being set, through the then said temperature regulatory function work that raises of the detected temperatures of temperature sensor 8, coating 6 in the cooling paint feeding device 7, be supplied in this coating 6 between doctor-roll 2 and the applicator roll 3 or these rollers 2,3 either party.In addition, can in paint feeding device 7, temp regulating function be set yet, and in doctor-roll 2 and applicator roll 3 both sides or either party, temp regulating function be set.Specifically, can also in these rollers 2,3, coolant channel be set, to this coolant channel the supply system cryogen, for example water or gas and cool off.In this case, with non-contact temperature sensor 8 be arranged on doctor-roll 2 and applicator roll 3 both sides or either party near, detect these rollers 2,3 temperature with this sensor 8, can control the work of the temp regulating function that arranges in the paint feeding device 7.
Base material 5 is not limited to certain thickness, can be inhomogeneous base material, perhaps becomes base material crooked, warp.For example, though solar generator is the product of same specification with front panel, there is the deviation of 0.01 ~ 0.1mm in the thickness of its plate.Because using the base material with such deviation is difficult with the uniform thickness film forming on whole base material, therefore as shown in Figure 1, preferably above the base material 5 that transmits with deflector roll 1, the thickness of slab sensor is set (for example, laser displacement gauge), the plate thickness that this sensor is detected with as the substrate sizes of benchmark relatively, with the significantly different situation of substrate sizes under report to the police and stop the transmission of base material 5, perhaps regulate the height of doctor-roll 2 and applicator roll 3 both sides or applicator roll 3 automatically, perhaps manually adjust interval between doctor-roll 2 and the applicator roll 3 etc., make it possible to uniform thickness film forming on base material 5.
Making hydrophily DLC film on above-mentioned doctor-roll 2, applicator roll 3, can consider the whole bag of tricks in the film forming, as a kind of method, can be according to the film build method of the hydrophily DLC film in the patent application of exploitation before the inventor.Described method is as follows: roller is set in vacuum chamber, should indoorly be set at normal temperature (preferred 20 ℃ ~ 50 ℃) and vacuum state, from the RF high frequency electric source to indoor RF electrode supply high frequency, make roller around produce plasma, apply the negative high voltage pulse from indoor high-voltage pulse power source to roller, clean substrate surface by ion(ic) etching.
Roller for the situation with the roller (engraved roll) of ditch under, when above-mentioned cleaning, also clean the inside of its ditch.Described method is, supplies with unstrpped gas and the O of DLC in the above-mentioned vacuum chamber cleaning the back
2, make this unstrpped gas and O
2Generate the DLC(hydrophily DLC that contains aerobic at the vacuum chamber internal reaction), when the described DLC that contains aerobic is injected the top layer of above-mentioned roller, make hydrophily DLC at its surface sediment, form the method for hydrophily DLC film thus.
In this film build method, can be before hydrophily DLC film forms supply with in the vacuum chamber at least and contain O
2Si class gas, make this Si class gas that decomposition reaction take place in vacuum chamber, form on the surface of above-mentioned base material and contain O
2Layer can contain O to this
2Inject/pile up hydrophily DLC film in the layer.In this case, can use HMDO (HMDSO) as Si class gas.In addition, can be before hydrophily DLC film forms, supply with the unstrpped gas of DLC in the vacuum chamber, this unstrpped gas is reacted in vacuum chamber generate DLC, when the DLC that will generate injects substrate surface, make oxygen-free DLC membrane stack long-pending, can form hydrophily DLC film on the surface of this DLC film.In this case, before the DLC film forms, can form the mixed layer for the tack that improves base material and DLC film.
The roller that forms by above-mentioned film build method is unstrpped gas and the O that has DLC at the substrate surface through cleaning
2The roller of the hydrophily DLC film that reaction generates.Above-mentioned hydrophily DLC becomes film base material to contain O for having to make at least between base material and hydrophily DLC film
2The generation decomposition reaction of Si class gas and generate contain O
2Layer.Contain O
2The material that decomposition reaction forms can take place for making HMDO (HMDSO) in layer.The DLC film of the oxygen that does not contain the unstrpped gas reaction generation that makes DLC can also be set between base material and hydrophily DLC film.Between base material and DLC film, the mixed layer for the tack that improves base material and DLC film can also be set.Described roller can be electroplated or Ni electroplated metal roller processed through Cr for rubber, SUS, aluminum roller or surface.The film thickness of above-mentioned hydrophily DLC film is suitably for about 0.2 ~ 5 μ m.The hardness of above-mentioned hydrophily DLC film is suitably for 800 ~ 2500HV.
For at the thickness of printing with control coated film in being coated with, can use doctor-roll, scraper.
Can use the various materials roller processed of aluminium roller, carbon roller, resin roll, rubber rollers, CFRP roller (carbon fibre reinforced plastic roller), metallic roll, nonferrous metal roller in doctor-roll among the present invention, the applicator roll.Also have on the surface of metallic roll and implement Cr(chromium) electroplate, Ni(nickel) roller electroplated.
Though the above-mentioned situation of using doctor-roll that is illustrated as replaces the doctor-roll among the present invention also can use scraper.In this case, preferably applicator roll is made the roller with DLC film, can also be at the refrigerating function of applicator roll setting by cold-producing medium.In addition, can also unite use doctor-roll and scraper.
[possibility of industrial utilization]
If can solve the above-mentioned problem among the present invention, base material can be the material of the field beyond the above-mentioned base material, shape, material, the film that is rolled into the roller shape can also be launched coating when being rolled into the roller shape.Coating also can use the material beyond the above-mentioned coating, and doctor-roll, applicator roll, scraper etc. also can be the material beyond the above-mentioned embodiment.
Claims (8)
1. paint coating method to base material, it is the rotation by applicator roll, and the coating (contain functional coating: following identical) of coating applicator roll is coated the method for the substrate surface in the transmission, it is characterized in that:
With the doctor-roll that contacts rotation with applicator roll, the coating of perhaps using the scraper that contacts with applicator roll will coat the applicator roll outer peripheral face is spared thin,
Under normal temperature, atmospheric pressure, make above-mentioned coating be spared the rotation of thin applicator roll, the even thin coating of the quilt of applicator roll outer peripheral face coated on the above-mentioned base material in the transmission,
As the both sides of above-mentioned applicator roll and doctor-roll or either party, make hydrophily DLC film at the roller of roller surface filming.
2. the paint coating method to base material according to claim 1 is characterized in that, doctor-roll applies carved engraved roll for the ultra-fine ditch with micron (μ m) unit on the roller surface, and for to make hydrophily DLC film at the roller of its surface filming.
3. the paint coating method to base material according to claim 1 and 2 is characterized in that, makes the direction of rotation of applicator roll opposite with the direction of transfer of base material.
4. according to each described paint coating method to base material of claim 1 to 3, it is characterized in that, make the rotary speed of applicator roll during below passing through applicator roll at base material, rotate below 1 rotation.
5. according to each described paint coating method to base material of claim 1 to 4, it is characterized in that, coating directly cooled off that perhaps the both sides by cooling doctor-roll and applicator roll or either party cool off indirectly.
6. according to each described paint coating method to base material of claim 1 to 5, it is characterized in that, measure the thickness of the base material that transmits, according to the interval of this measurement result adjusting applicator roll and base material, regulate to the film thickness of the coating of base material coating.
7. coating apparatus for coating, described coating apparatus for coating has doctor-roll and applicator roll and paint feeding device, by contacting of applicator roll and doctor-roll or scraper, will be even thin from the coating of coating on the applicator roll that paint feeding device is supplied with, coat on the base material by the coating that the rotation of this applicator roll is surperficial with it, it is characterized in that:
The both sides of applicator roll and doctor-roll or either party make hydrophily DLC film at the roller of roller surface filming,
Above-mentioned doctor-roll or scraper contact with applicator roll and can coating that coat the applicator roll outer peripheral face is even thin,
Above-mentioned applicator roll contacts with base material in single leaf or the continuous transmission by its rotation, the coating on this applicator roll surface can be coated on the above-mentioned base material under normal temperature, atmospheric environment.
8. coating apparatus for coating according to claim 7, it is characterized in that, doctor-roll on the roller surface, scraper with the contact-making surface of applicator roll for apply the engraved roll surface of engraving with the ultra-fine ditch of micron (μ m) unit, make hydrophily DLC film film forming on this engraved roll surface.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-007528 | 2012-01-17 | ||
| JP2012007528A JP5570538B2 (en) | 2012-01-17 | 2012-01-17 | Functional coating agent coating method and coating apparatus for substrate |
| JP2012-188801 | 2012-08-29 | ||
| JP2012188801A JP2014046220A (en) | 2012-08-29 | 2012-08-29 | Paint coating method, and paint coating device to base material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103203304A true CN103203304A (en) | 2013-07-17 |
| CN103203304B CN103203304B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310015576.0A Active CN103203304B (en) | 2012-01-17 | 2013-01-16 | To paint coating method and the coatings device of base material |
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| Country | Link |
|---|---|
| KR (1) | KR101486904B1 (en) |
| CN (1) | CN103203304B (en) |
| TW (2) | TWI524948B (en) |
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| CN103736622A (en) * | 2013-12-05 | 2014-04-23 | 苏州欣彩塑胶科技有限公司 | Plastic plate single-surface dyeing apparatus |
| WO2016070557A1 (en) * | 2014-11-07 | 2016-05-12 | 京东方科技集团股份有限公司 | Transfer printing roller, packaged-film coating system, and method for packaging film |
| CN106714977A (en) * | 2014-07-25 | 2017-05-24 | 巴斯夫公司 | Apparatus and process for face painting substrates with pgm and base metal solutions |
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| ES2690201A1 (en) * | 2017-05-19 | 2018-11-19 | Jesus Francisco Barberan Latorre | METHOD OF CONTROL OF A PRODUCT APPLICATION ON SUBSTRATES AND MACHINE USED (Machine-translation by Google Translate, not legally binding) |
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| ES2690201A1 (en) * | 2017-05-19 | 2018-11-19 | Jesus Francisco Barberan Latorre | METHOD OF CONTROL OF A PRODUCT APPLICATION ON SUBSTRATES AND MACHINE USED (Machine-translation by Google Translate, not legally binding) |
| CN109708432A (en) * | 2017-10-25 | 2019-05-03 | 多氟多化工股份有限公司 | Windshield wiper and the AG glass processing device for using the windshield wiper device |
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| CN110396829A (en) * | 2019-07-30 | 2019-11-01 | 浙江百得利制革有限公司 | A kind of artificial leather salient point application device |
| CN113385363A (en) * | 2020-03-11 | 2021-09-14 | 都滚筒工业股份有限公司 | Coating device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201334877A (en) | 2013-09-01 |
| TWI579059B (en) | 2017-04-21 |
| CN103203304B (en) | 2015-09-23 |
| TW201617141A (en) | 2016-05-16 |
| KR101486904B1 (en) | 2015-01-28 |
| KR20130084618A (en) | 2013-07-25 |
| TWI524948B (en) | 2016-03-11 |
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