CN106040565A - Method for selecting coating for forming substrate and repairation coating method - Google Patents
Method for selecting coating for forming substrate and repairation coating method Download PDFInfo
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- CN106040565A CN106040565A CN201610230391.5A CN201610230391A CN106040565A CN 106040565 A CN106040565 A CN 106040565A CN 201610230391 A CN201610230391 A CN 201610230391A CN 106040565 A CN106040565 A CN 106040565A
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- mass parts
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- formation coating
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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
- B05D7/14—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 metal, e.g. car bodies
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- Application Of Or Painting With Fluid Materials (AREA)
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Abstract
The present invention provides a method for selecting a coating for forming a substrate and a method for repairing a coating selected by means of the method; the coating for forming a substrate is the most suitable coating for a substrate layer arranged under a repairation coloring substrate coating, under the condition of less coating times, a multiple-layer repairation coating can also be obtained with the appearance of the target coating layer. The selecting method is characterized in that the coating for forming substrates is used for forming a substrate layer arranged under a coloring substrate coating, the coloring substrate coating is formed by repairation coloring substrate coating which is used for repairing a curing coating provided with the coloring substrate; the coating for forming substrate is selected from three coatings (A1) to (A3) for forming the substrate, and the absolute value of the difference between the average value of the spectral reflectance of the formed substrate layer and the average value of the spectral reflectance of the colored substrate cured coating to be repaired is the smallest.
Description
Technical field
The present invention relates to the choosing of the useful substrate formation coating of the Repair Coatings to vehicles such as automobiles
Determine method and use the Repair Coatings side of the substrate formation coating selected by this method for selecting
Method.
Background technology
When generally automobile case etc. being carried out application, application bottom-coating, application on substrate surface
Middle painting coating, application coloring painting coating on film based on middle painting coating, based on coloring
Application coating varnish (ト ッ プ Network リ ヤ) coating on the coloring film of painting coating.
Generally, it is located at the middle painting coating of lower floor of coloring topcoating film and generally uses Lycoperdon polymorphum Vitt, and
Till the coating process of coloring painting coating is coated with the Lycoperdon polymorphum Vitt being filled to completely obscured middle painting film, but
Be, when colour painting coating tint shielding difference time, it is necessary to strengthen thickness, thus be coated with
Needed for material consumption, application, the aspect efficiency such as labour is low.
Therefore, the trial all the time carried out is, even if not up to covering at coloring topcoating film
In the case of thickness, regulate to being suitable to coloring also by using the Lycoperdon polymorphum Vitt of the middle painting film as substrate
The brightness of topcoating film, so that the outward appearance of the final multilayer coating film obtained presents color of object.
Such as, Patent Document 1 discloses following content: by making topcoating film and middle painting
The relation of film is formed as the total of the absolute value of the difference of the spectral reflectivity in predetermined wavelength region
With little, though topcoating film be low cover tint, it is also possible to common painting loading amount obtain outside
See excellent multilayer film.
Patent Document 2 discloses following content: when the minimal absorption wavelength with topcoating film
The measured reflectance of topcoating film with the reflectance phase of priming paint (floating coat) meanwhile, it is capable to
Effectively obtain the multilayer film with target appearance.
It addition, also carried out following trial: in ash color bottom paint, mixed colors painting coating is formed
Coloured substrate, uses this coloured substrate (specially as the substrate formation coating of coloring painting coating
Profit document 3).
But, in the technology described in patent documentation 1～3, although especially in redness and yellow etc.
Effect in tinting gets the nod, but the effect in the metal class with glittering sense is tinted sometimes
The most insufficient.
But, for the Repair Coatings of the pars affecta produced on the coated surface of automobile case, logical
Often carry out polishing until about centered by this pars affecta, application floating coating after applying putty
(primer surfacer), and then use repairing coloring substrate painting coating to carry out topcoating, with
Form the outward appearance not having incongruity relative to car body color.
The application of above-mentioned repairing coloring substrate painting coating, needs the color with surrounding to enter
Row contrast, carries out application stage by stage until can not see base color and appearing, and, when repairing
When benefit coloring substrate painting coating is water paint, carry out going back during application in each stage every time
Need to install, preheat, need to expend substantial amounts of labour and time to implement this operation.Therefore,
Even if also can reach in order to the number of times of application coloring substrate painting coating colours substrate topcoating film less
Target color and luster, tinting of selected floating coating layer is critically important.
But, if using water-based metal substrate as repairing topcoating material, the then metal formed
The difference of substrate film angle according to the observation there will be the phenomenon of glittering sense difference, therefore, selected
The floating coating film being suitable to repairing metal matrix film is especially difficult.
In the patent documentation 4 relating to the problems referred to above, disclose following content: by selected tool
Have relative to the high reflectance of 105 degree in the predetermined wavelength as the coloring film repairing object
Reach the floating coating of the high reflectance of predetermined multiplying power, even having changeable colors along with angle (Off リ ッ
プ Off ロ ッ プ) metal deposit of property, it also is able to even if not thickening application repairing aabase paint
Suitably obtain target appearance of film.
But, problem is present in the patent documentation 4, the operator that Repair Coatings is on-the-spot
Target floating coating coating must be prepared by appropriate allotment white coating and blacking respectively.
Generally, tinting of automobile case is considered to exceed thousand of kinds, the most in recent years, new car
Tint tend to bright-colouredization, light sense also tend to increase, therefore, the difficulty of Repair Coatings also exists
Improve.Accordingly, it would be desirable to exploitation one can more simply obtain and repair by coloring substrate topcoating
The method of the most suitable substrate formation coating that coating matches.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Laid-Open Patent Publication 58-16696 publication
Patent documentation 2:WO1997-043052 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2002-020694 publication
Patent documentation 4: Japanese Unexamined Patent Publication 2008-307476 publication
Summary of the invention
The problem that invention is to be solved
It is an object of the invention to, it is provided that the method for selecting of a kind of substrate formation coating and
The Repair Coatings method of the substrate formation coating that use is selected by the method, wherein, based on
Even if the substrate formation coating that described method for selecting is selected also is able to less for obtaining application number of times
There is the multilayer repair film of target appearance of film, be best suitable for for being arranged on repairing color base
Under matter film.
Means needed for solution problem
The present inventor etc. conduct in-depth research for above-mentioned problem, it was found that by from tool
The multiple substrate different from each other being made up of predetermined pigment is formed with in coating, selects and color base
The spectral reflectivity curve of matter film has the coating of predetermined relationship so that without the biggest labour
Just it is obtained in that and colours the substrate formation coating that substrate film matches, thus completing this
Bright.
That is, the present invention includes techniques below scheme.
1st scheme: the method for selecting of a kind of substrate formation coating, it is characterised in that institute
State substrate formation coating to be arranged on by repairing coloring aabase paint (coloring ベ for being formed
ス expects) basal layer under the coloring substrate film that formed (coloring ベ ス film), institute
State repairing coloring aabase paint and be provided with the matrix immobilized film of coloring (coloring ベ for repairing
ス cured film) the damaged portion of coated body,
Wherein, selected described substrate from following multiple substrate formation coating group different from each other
Formation coating, thus in the meansigma methods of the spectral reflectivity of basal layer and described repairing object
The absolute value of the difference colouring the meansigma methods of the spectral reflectivity of matrix immobilized film is minimum:
Substrate is formed uses coating (A1), and it contains relative to the resinous principle of 100 mass parts
45 mass parts～the Chinese white of 110 mass parts；With
20 mass parts～the extender pigment of 300 mass parts；
Substrate is formed uses coating (A2), and it contains relative to the resinous principle of 100 mass parts
More than 10 mass parts and less than the Chinese white of 45 mass parts；
20 mass parts～the extender pigment of 300 mass parts；With
0.1 mass parts～the black pigment of 5.0 mass parts；
Substrate is formed uses coating (A3), and it contains relative to the resinous principle of 100 mass parts
More than 1 mass parts and less than the Chinese white of 10 mass parts；
20 mass parts～the extender pigment of 300 mass parts；With
0.1 mass parts～the black pigment of 5.0 mass parts.
2nd scheme: the method for selecting of the substrate formation coating as described in the 1st, wherein,
Described substrate formation coating (A1)～(A3) is two-part reaction-curable coating.
3rd scheme: the selected side of the substrate formation coating as described in the 1st or the 2nd
Method, wherein, in addition to described substrate formation coating (A1)～(A3), described each other
Different multiple substrate formation coating groups further comprises the described substrate formation coating of mixing
(A1) substrate formation coating (An) that two kinds～in (A3) are obtained.
4th scheme: the method for selecting of the substrate formation coating as described in the 3rd, it is special
Levy and be, described substrate formation coating (An) be described substrate formation coating (A1) and
The mixture (A12) of described substrate formation coating (A2) and described substrate are formed to be used
Coating (A2) and the mixture (A23) of described substrate formation coating (A3), described base
Formation coating group in the end is made up of 5 kinds of coating groups.
5th scheme: the substrate formation coating as according to any one of the 1st～the 4th
Method for selecting, wherein, the matrix immobilized film of described coloring and the spectral reflectance of described basal layer
The meansigma methods of rate is, is the measured value of every 10nm in the range of 400nm～700nm at wavelength
Middle spectral reflectivity meansigma methods more than 2.0%.
6th scheme: the substrate formation coating as according to any one of the 1st～the 5th
Method for selecting, wherein, the spectral reflectivity of the matrix immobilized film of described coloring and basal layer lead to
Cross and measure in the way of multi-direction irradiation light by ring-type.
7th scheme: the substrate formation coating as according to any one of the 1st～the 6th
Method for selecting, wherein, in the case of the angle of incidence of light is in the range of 10 °～90 °
Measure the matrix immobilized film of described coloring and the spectral reflectivity of basal layer.
8th scheme: a kind of Repair Coatings method, it is characterised in that will use the 1st～
The substrate that the method for selecting of the substrate formation coating according to any one of the 7th is selected is formed
With coatings on the pars affecta being provided with the coated body colouring matrix immobilized film, repairing is used
Coloring aabase paint is coated on formed basal layer.
9th scheme: the Repair Coatings method as described in the 8th, wherein, with less than covering
The mode of thickness is coated with described repairing coloring aabase paint.
Invention effect
Although substrate formation coating used in the inventive method is made up of less kind, but
Cope with the coloring substrate of enormous variety tint and finally obtain target appearance of film, therefore,
The space that Repair Coatings is on-the-spot can be saved, additionally it is possible to reduce the labour needed for substrate formation process.
It addition, when using this substrate formation coating to carry out Repair Coatings, it is possible to less
Number of times application coloring aabase paint, and can reduce needed for Repair Coatings operation significantly whole
Body time, the labour of operator and coloring aabase paint consumption.
Detailed description of the invention
First, illustrate for the substrate formation coating used in the methods of the invention.
＜ substrate is formed and uses coating ＞
As resinous principle contained in the substrate formation coating of the present invention, it is possible to use coating
Resinous principle the most available in field.
As resiniferous instantiation in resinous principle, for example, it is possible to enumerate acrylic acid tree
Fat, polyester resin, celluosic resin, polyurethane resin, silicone resin, epoxy resin, alcohol
Acid resin and the two or more modified resin etc. in them, can use painting without limitation
Existing known organic solvent resinoid used in material field or water-base resin, it is also possible to simultaneously
Use in them is two or more.
This substrate formation coating, preferably two-part reaction-curable coating.Its reason exists
In, use two-part reaction-curable coating, it is possible to obtain fine and close and that abrasiveness is excellent substrate
Layer.The coating of so-called two-part reaction-curable, refers to have containing reactive functional groups resin
Resinous principle as the first composition, will have in a molecule containing two or more can be with this reaction
The composition of the compound of the functional group that property functional group reacts is as the coating of the second composition.
As the example of resinous principle contained in substrate formation coating, polyhydric alcohol can be enumerated
Compound and polyisocyanate compound.Such as polyol compound and polyisocyanate compound
Combination, when resinous principle is made up of the combination of matrix resin component Yu curing agent component, tree
The content of fat composition is the total content of matrix resin component and curing agent component.
As above-mentioned polyhydric alcohol, it is not particularly limited, but preferably acrylic polyol.
As acrylic polyol, can be being total to of hydroxyl with polymerism unsaturated monomer
Polymers, described polymerism unsaturated monomer includes that at least one contains the list of (methyl) acryloyl group
Body.
As the monomer containing (methyl) acryloyl group, for example, it is possible to enumerate: (methyl) third
E pioic acid methyl ester, (methyl) ethyl acrylate, (methyl) propyl acrylate, (methyl) third
Olefin(e) acid N-butyl, (methyl) Isobutyl 2-propenoate, (methyl) tert-butyl acrylate, (first
Base) amyl acrylate, (methyl) Hexyl 2-propenoate, (methyl) 2-EHA,
Straight or branched (the first such as (methyl) lauryl acrylate, (methyl) stearyl acrylate acyl ester
Base) alkyl acrylate；(methyl) cyclohexyl acrylate, (methyl) isobomyl acrylate
The alicyclic Arrcostab of ester etc. (methyl) acrylic acid；(methyl) benzyl acrylate etc. (methyl)
Acrylic acid aralkyl ester；(methyl) acrylic acid 2-methoxy acrylate, (methyl) acrylic acid 2-
Ethoxy ethyl ester etc. (methyl) alkoxyalkyl acrylate；(methyl) acrylic acid 2-hydroxyl second
Ester, (methyl) 2-hydroxypropyl acrylate, (methyl) acrylic acid 3-hydroxypropyl acrylate, (methyl)
Hy-droxybutyl etc. (methyl) hydroxyalkyl acrylates；Molecular end is that containing of hydroxyl is poly-
(methyl) acryl monomer of the hydroxyls such as (methyl) acrylate of ethylene oxide chain；
“Placcel(プラクセル)FA-1”、“Placcel FA-2”、“Placcel FA-2D”、“Placcel
FA-3”、“Placcel FA-4”、“Placcel FA-5”、“Placcel FM-1”、“Placcel FM-2”、
" Placcel FM-2D ", " Placcel FM-3 ", " Placcel FM-4 ", " Placcel FM-5 " (business
The name of an article, is Daisel chemical industry Co., Ltd (Daicel Chemical Industries Ltd.)
Manufacture) etc. lactone-modified (methyl) hydroxyalkyl acrylates；Perfluor (methyl) acrylic acid
Arrcostab；N, the N-dialkyl amido (first such as N, N-diethylamino (methyl) ethyl acrylate
Base) alkyl acrylate；(methyl) acrylamide；(methyl) allyl acrylate, second
Glycol two (methyl) acrylate, triethylene glycol two (methyl) acrylate, TEG
Two (methyl) acrylate, 1,3 butylene glycol two (methyl) acrylate, trihydroxy methyl third
Alkane three (methyl) acrylate, 1,4-butanediol two (methyl) acrylate, neopentyl glycol
Two (methyl) acrylate, 1,6-HD two (methyl) acrylate, tetramethylolmethane two
(methyl) acrylate, tetramethylolmethane four (methyl) acrylate, glycerol two (methyl)
Acrylate, 1,1,1-trimethylolethane two (methyl) acrylate, 1,1,1-trihydroxy methyl
Ethane three (methyl) acrylate, 1,1,1-trimethylolpropane tris (methyl) acrylate etc.
(methyl) acryl monomer of at least two polymerism unsaturated groups in a molecule；
(methyl) acrylic acid；(methyl) acrylic acid acetoacetoxyethyl, diacetone (methyl)
(methyl) acryl monomer containing carbonyl such as acrylamide；(methyl) acrylic acid shrinks sweet
Grease, (methyl) propenoic acid beta-methylglycidyl esters, (methyl) acrylic acid 3,4-epoxy
Butylcyclohexyl methyl ester, (methyl) acrylic acid 3,4-expoxycyclohexyl ethyl ester, (methyl) third
(methyl) acryl monomer containing epoxy radicals such as olefin(e) acid 3,4-expoxycyclohexyl propyl ester；Different
(methyl) acryl monomer containing NCO such as cyanate (methyl) ethyl acrylate；
γ-methacryloxypropyl trimethoxy silane, γ-methacryloxypropyl triethoxy
(methyl) acryl monomer containing alkoxysilane group such as silane；(methyl) acrylic acid two
Cyclopentenyl epoxide ethyl ester, (methyl) acrylic acid dicyclopentenyl epoxide propyl ester, (methyl)
Acrylic acid dicyclopentenyl esters etc. are containing (methyl) acryl monomer etc. of oxidation curable group.
They can individually be used or be used in combination of two or more.
It addition, for acrylic polyol, in addition to containing (methyl) acryl monomer
Other polymerism unsaturated monomers can also be as combined polymerization composition.As other polymerizations above-mentioned
Property unsaturated monomer, for example, it is possible to enumerate: (methyl) acrylonitrile；Vinyl acetate, third
The vinyl ester compound such as vinyl acetate；The vinyl aromatic such as styrene, α-methyl styrene
Compound；Triallyl isocyanurate, diallyl terephthalate, divinylbenzene etc.
One molecule at least has many vinyl compounds of two polymerism unsaturated groups；Malaysia
The carboxylic polymerism unsaturated monomers such as acid .beta.-methylacrylic acid, β-acryloxypropionic acid；1-propenol-3
Polymerism unsaturated monomer Deng hydroxyl；(methyl) acrylic aldehyde, formyl styrene, carbon are former
Subnumber be 4～7 vinyl alkyl ketone (such as, ethenyl methyl ketone, vinyl ethyl ketone,
Vinyl butyl ketone etc.), the polymerism containing carbonyl such as acetoacetoxy groups allyl ester unsaturated
Monomer；The polymerism unsaturated monomer containing epoxy radicals such as allyl glycidyl ether；Between isopropyl alkene
The polymerism unsaturated monomer containing NCO such as base-bis (alpha, alpha-dimethylbenzyl) based isocyanate；Second
The polymerism containing alkoxysilane group such as thiazolinyl trimethoxy silane, VTES
Unsaturated monomer；Polymerism unsaturated monomer or the polymerism of hydroxyl containing epoxy radicals are unsaturated
The reaction products of monomer and unsaturated fatty acid etc. are containing the polymerism insatiable hunger of oxidation curable group
With monomer etc..They can individually be used or be used in combination of two or more.
For aforesaid propylene acid polyhydric alcohol, weight average molecular weight is suitable for 5000～80000
In the range of, preferably in the range of 6000～70000；Solid constituent hydroxyl value is suitable for
Below 200mgKOH/g, preferably in the range of 30mg/KOH～150mg/KOH；Solid
Composition acid number is suitable for, in the range of 1mgKOH/g～30mgKOH/g, preferably existing
In the range of 3mgKOH/g～15mgKOH/g.Its reason is to improve the attachment of basal layer
Property.
In this manual, weight average molecular weight is will to pass through chromatograph of gel permeation
The weight average molecular weight that (" HLC8120GPC ", TOSOH Co., Ltd of Japan manufactures) measures is with poly-
Convert on the basis of cinnamic weight average molecular weight the value obtained.Chromatographic column uses " TSKgel
G-4000H×L”、“TSKgel G-3000H×L”、“TSKgel G-2500H×L”、“TSKgel
G-2000H × L " (trade name is TOSOH Co., Ltd of Japan and manufactures) these 4 posts,
Flowing mutually for oxolane, measure temperature be 40 DEG C, flow velocity be 1mL/ minute, detector is
Measure under conditions of RI.
It addition, as aforesaid propylene acid polyhydric alcohol, from the viewpoint of the tack of basal layer,
Lactone-modified acrylic polyol is applicable.
As for making acrylic polyol carry out lactone-modified polymerism unsaturation list used
Body, can enumerate lactone-modified (methyl) hydroxyalkyl acrylates listed above；As it
Copolymerization ratios, from the viewpoint of the tack and abrasiveness of the basal layer relative to topcoating film,
To prepare total polymerism unsaturated monomer that acrylic polyol used as benchmark, it is suitable for
In the range of 1 mass %～50 mass %, preferably in 5 mass %～the scope of 30 mass %
In.
As polyisocyanate compound, it is that there is in a molecule plural Carbimide.
The polyisocyanate compound of ester group, as its instantiation, for example, it is possible to enumerate: six is sub-
Methyl diisocyanate, trimethyl hexamethylene diisocyanate, isophorone diisocyanate,
Hydrogenated xylylene diisocyanate, xylylene diisocyanate, a durol dimethyl
Diisocyanate, toluene di-isocyanate(TDI), 4,4 '-methyl diphenylene diisocyanate, lysine
The polyisocyanate compounds such as diisocyanate, or these polyisocyanates and polyhydric alcohol, low
Addition product between molecular weight polyester resin or water etc., or each polyisocyanates as above
Between cyclopolymer, also isocyanates biuret compound etc..They can be used one
Plant and two or more use also be can be combined.
Above-mentioned substrate formation coating, can suitably contain pigment than that described above, organic solvent,
Viscous regulator, curing catalysts, pigment dispersing agent, surface conditioner, resin particle etc. are coated with
Material additive.
As above-mentioned organic solvent, can enumerate: acetone, methyl ethyl ketone, methyl-isobutyl
The ketone such as ketone, cyclohexanone；The cellosolves such as methyl cellosolve, ethyl cellosolve, butyl cellosolve
Class；The esters such as ethyl acetate, butyl acetate；The aromatic hydrocarbon such as toluene, dimethylbenzene；Methanol, second
The alcohols such as alcohol, propanol, butanol；Oxolane, dimethylformamide, petroleum-type hydrocarbons etc..
Substrate formation coating group in the present invention is characterised by that comprising 3 kinds of substrate formation is coated with
Material (A1)～(A3), it has the following composition that pigment composition is different from each other.Its reason exists
In, substrate formation coating group comprises following substrate formation coating (A1)～(A3), and
As long as and according to selected reference described later, it becomes possible to very easily selected a kind of substrate is formed and is coated with
Material, covers the repairing of below thickness forming application on the basal layer that coating is formed by this substrate
Panel tone can be obtained with the multilayer repair film obtained after coloring aabase paint.
For substrate formation is with coating (A1), it becomes relative to the resin of 100 mass parts
Point, contain:
45 mass parts～the Chinese white of 110 mass parts, preferably 50 mass parts～100 mass
The Chinese white of part；And
20 mass parts～the extender pigment of 300 mass parts, preferably 30 mass parts～210 mass
The extender pigment of part；
Preferably do not contain black pigment or below 5.0 mass parts (0 weight portion～5.0 can be contained
Weight portion) black pigment.
For substrate formation is with coating (A1), it becomes relative to the resin of 100 mass parts
Point, it is also possible to contain:
60 mass parts～the Chinese white of 110 mass parts, preferably 65 mass parts～100 mass
The Chinese white of part；And
35 mass parts～the extender pigment of 300 mass parts, preferably 75 mass parts～250 mass
The extender pigment of part.
For substrate formation is with coating (A2), it becomes relative to the resin of 100 mass parts
Point, contain:
More than 10 mass parts and less than the Chinese white of 45 mass parts, it is preferably in 15 mass
Part above and Chinese white less than 40 mass parts；
20 mass parts～the extender pigment of 300 mass parts, preferably 70 mass parts～250 mass
The extender pigment of part；And
0.1 mass parts～the black pigment of 5.0 mass parts, preferably 0.1 mass parts～1.0 mass
The black pigment of part.
For substrate formation is with coating (A2), it becomes relative to the resin of 100 mass parts
Point, it is also possible to contain:
More than 30 mass parts and less than the Chinese white of 60 mass parts, it is preferably in 35 mass
Part above and Chinese white less than 65 mass parts；
35 mass parts～the extender pigment of 300 mass parts, preferably 75 mass parts～270 mass
The extender pigment of part；And
0.1 mass parts～the black pigment of 5.0 mass parts, preferably 0.1 mass parts～1.0 mass
The black pigment of part.
For substrate formation is with coating (A3), it becomes relative to the resin of 100 mass parts
Point, be suitable for containing:
More than 1 mass parts and less than the Chinese white of 10 mass parts, it is preferably in 2 mass parts
Above and less than the Chinese white of 7 mass parts；
In 20 mass parts～the extender pigment of 300 mass parts, preferably 90 mass parts～270
The extender pigment of mass parts；And
0.1 mass parts～the black pigment of 5.0 mass parts, preferably more than 1.0 mass parts and 5
Black pigment below mass parts.
For substrate formation is with coating (A3), it becomes relative to the resin of 100 mass parts
Point, it is also possible to contain:
More than 1 mass parts and less than the Chinese white of 30 mass parts, it is preferably in 3 mass parts
Above and less than the Chinese white of 35 mass parts；
35 mass parts～the extender pigment of 300 mass parts, preferably 75 mass parts～280 mass
The extender pigment of part；And
0.1 mass parts～the black pigment of 5.0 mass parts, preferably more than 1.0 mass and 5
Black pigment below mass parts.
In substrate formation with in the relation of coating (A1), (A2) and (A3), the most black
The content of color pigment in (A1) minimum and in (A3) at most.
As Chinese white, for example, it is possible to enumerate titanium dioxide, white lead, aluminium oxide etc., right
They can be used alone or are used in combination of two or more.
As extender pigment, for example, it is possible to enumerate Talcum, zinc oxide, calcium carbonate, barium sulfate,
Brium carbonate, aluminium silicate, Gypsum Fibrosum, clay, silicon dioxide, white carbon, kieselguhr, magnesium carbonate,
They be can be used alone or combine two or more by alumina white, gloss white, mica powder etc.
Use.
As black pigment, for example, it is possible to enumerate white carbon black, acetylene black, dim, bone-black,
They be can be used alone or are used in combination of two or more by graphite, iron oxide black, nigrosine etc..
It addition, in addition to containing above-mentioned substrate formation coating (A1)～(A3), substrate
Formation coating group can also be to contain substrate formation coating (A1)～(A3) further
In the two or more groups carrying out mixing obtained substrate formation coating (An).At this
In bright optimal way, for containing substrate formation coating (A1)～the substrate shape of (A3)
One-tenth, with for coating group, is formed by three kinds of substrates and is constituted with coating (A1)～(A3)
Group or in addition to three kinds of substrate formation are with coating (A1)～(A3) possibly together with by substrate
Two or more carrying out in formation coating (A1)～(A3) mixes obtained substrate formation
By any one in the group of coating (An).
This substrate formation coating (An), can be the painting previously fabricated by Paint manufacturers
Material, it is possible to use the substrate provided by Paint manufacturers is formed with coating (A1)～(A3)
And by Repair Coatings operator at the coating of Repair Coatings extemporaneous preparation.
Such as, substrate formation coating (An) is substrate formation coating (A1) and substrate shape
The mixture (A12) with coating (A2) and substrate is become to be formed with coating (A2) and base
The end formed with coating (A3) mixture (A23), substrate formation by coating group by 5 kinds of paintings
Material group composition is suitable.
In the present invention, formed with coating (A23) due to substrate formation coating (A12) and substrate
Substrate formation coating (A1)～(A3) can be used to prepare, therefore, even if conduct
Repair tinting of object in extensive range, it is also possible to select optimal easily by less kind
Substrate formation coating.
Substrate formation substrate in coating (A12) is formed with coating (A1) and substrate
The mixing ratio of formation coating (A2) is not particularly limited.For example, it is possible to set (A1):
(A2) ratio is 1:10～about 10:1, preferably about 1:5～5:1, more preferably 1:2～
About 2:1.It addition, formed with coating (A2) for substrate formation substrate in coating (A23)
Also it is not particularly limited with the mixing ratio of substrate formation coating (A3).For example, it is possible to set
(A2): the ratio of (A3) is 1:10～about 10:1, preferably about 1:5～5:1, more excellent
Elect about 1:2～2:1 as.
Especially, if substrate formation coating (A12) be substrate formation coating (A1) and
The equal amount of mixture of substrate formation coating (A2), substrate formation coating (A23) are bases
The end, is formed and forms the equal amount of mixture with coating (A3), then coating with coating (A2) and substrate
Formulation operations can become easier, is therefore suitable.
＜ colours the calculating ＞ of the spectral reflectivity meansigma methods of matrix immobilized film and basal layer
In the methods of the invention, need to obtain the matrix immobilized painting of coloring as repairing object in advance
Film and formed spectral reflectivity average of each basal layer formed by coating group by above-mentioned substrate
Value.
As the meansigma methods of spectral reflectivity in this specification, for example, it is possible to exist for wavelength
In the range of 400nm～700nm in the measured value of every 10nm spectral reflectivity more than 2.0%
Meansigma methods calculate.(that is, when the value of reflectance is less than 2.0%, not as light
The data of spectrum reflectance meansigma methods contain.)
Spectral reflectivity, can be obtained by the albedo measurement carried out by tintometer, surveys it
Amount mode has no particular limits, and tintometer can be used to carry out with known metering system, example
As, can be to enumerate in the way of one direction irradiation light, with radial and be provided with compartment of terrain configuration
Light source thus from the mode of ring-type multi-direction irradiation light, the circle that is configured with light source on circumference
Ring-like light radiation modality, by the way of integrating sphere etc. is from multi-direction irradiation light etc..As
Aforesaid way can be used to carry out the measurement equipment of albedo measurement, for example, it is possible to enumerate:
" CM-512m ", " CM-512m3A " etc. " CM512 series " (trade name, Konica Minolta
Co., Ltd. manufactures)；" the MA-68 such as " MA-68II ", " MA-94 ", " MA-96 ", " MA-98 "
Series " (trade name, X-Rite company manufactures)；“BYK-mac”、“BYK-mac Color”、
" BYK-mac Robotec (ロ ボ テ ッ Network) " etc. " BYK series " (trade name, Bi Ke-add
Tener company (BYK-Gardner Inc.) manufactures)；“GCMS-4”、“GCMS-3B”、
" GCMS-11 " etc. " GCMS series " (Murakami K. K.'s dye technology institute manufactures) etc..
Colour the spectral reflectivity of matrix immobilized film and basal layer, can be similar to from cover with the limit
Measure, on light varnish film, the value obtained.
It addition, as the angle of incidence of light for measure spectrum reflectance, such as can at 10 °～
In the range of 90 °, preferably in the range of 25 °～90 °, more preferably in the range of 50 °～90 °.
By making angle of incidence within the range, even if repairing coloring substrate film is less than covering thickness,
Substrate formation coating can also be selected more accurately and can make that there is panel tone outward appearance to be formed
Multilayer repair film constitute basal layer.Additionally, in embodiments of the present invention, preferably
The value that the angle of incidence of light being used for measure spectrum reflectance is fixed as above-mentioned scope is carried out.
In this manual, so-called angle of incidence refers at direction and its incidence point of light
The normal angulation of bread board.
In the method for the invention, colour the spectral reflectivity meansigma methods of matrix immobilized film, can
To measure at any time and to obtain for the spectral reflectivity becoming the painting object repairing object, also
Such as spectral reflectivity meansigma methods of tinting as automobile case can carry out data base system in advance.
In a preferred embodiment of the present invention, for the spectral reflectivity of basal layer, substrate shape
The basal layer that one-tenth coating (A1) is formed is minimum, the base that substrate formation coating (A3) is formed
Bottom is maximum.It addition, when using substrate formation coating (A12) and substrate formation coating
(A23), time, the value of the basal layer that substrate formation coating (A12) is formed can become substrate shape
The basal layer that one-tenth coating (A1) is formed and substrate formation coating (A2) formed basal layer it
Between value, and, the value of the basal layer that substrate formation coating (A23) is formed can become base
The base that the basal layer that end formation coating (A2) is formed and substrate formation coating (A3) are formed
Value between bottom.
＜ uses Repair Coatings method ＞ being best suitable for substrate formation coating
In the present invention, from multiple substrate formation coating different from each other as characterized above
In group, select for the coating forming following basal layer as optimal substrate formation coating,
The spectral reflectivity meansigma methods of this basal layer and the matrix immobilized film of coloring as repairing object
The absolute value of the difference of the meansigma methods of spectral reflectivity is minimum.Then, by this optimal substrate shape
One-tenth paint spraying is being provided with the pars affecta of the coated-body colouring matrix immobilized film, by repairing
Benefit coloring aabase paint is painted on formed basal layer and carries out Repair Coatings.Many when having
It is matrix immobilized with the coloring becoming repairing object that kind coating can form its spectral reflectivity meansigma methods
During the minimum basal layer of the absolute value of the difference of the meansigma methods of the spectral reflectivity of film, it is possible to use
Any one in these coating.
First, the damaged portion of scraping film, carry out polishing and according to need centered by pars affecta
It is polishing to about, carries out defat the most as required.If striped trace or point-like trace etc.,
Just can be in the compositions of this non-fat portion direct application present invention；According to degree of impairment, permissible
The compositions of the application present invention after scraping portions fills various putty.The filling of putty can be passed through
Scraper etc. is used to use method known per se to carry out.Can use existing known as putty
Panel beating putty, resin putty etc., for example, it is possible to enumerate nitrocotton class, crylic acid resin,
Epocryl class, unsaturated polyester resin class, polyurethane type resin etc..In application
In the case of crossing putty, after being preferably dried, grind this putty face, but owing to the present invention combines
Thing has good substrate shielding, can also even if therefore abradant surface is coarse.
The application of substrate formation coating, can use existing known coating process, the most excellent
Elect spraying as.Application thickness calculates with dry film thickness can be in the range of 50 μm～500 μm.
For drying condition, such as can be at 5 DEG C～80 DEG C, preferably 10 DEG C～60 DEG C
Under the conditions of carry out 10 minutes～120 minutes, particularly preferably carry out 20 minutes～90 minutes.
In repairing the application with coloring aabase paint, can enumerate: only use hybrid metal face
The single application completion of the coloring aabase paint of material (bright pigment) and/or coloring pigment
Method (げ on 1 U ト bodyguard) or use double times of this coloring aabase paint and varnish paint is coated with
Install the existing known coating process such as engineering method (げ on 2 U ト bodyguards).
As repairing with coloring aabase paint, can use without particular limitation in generally repairing
The painting coatings such as used organic solvent class, aqueous, can use spraying, electrostatic spraying, brush
The known application means such as painting, roller coat carry out application.
For repairing coloring aabase paint being dried after application terminates, not especially
Limit；In the case of application coating varnish again, even uncured state can also.
Generally, for example, it is preferable to be dried 5 minutes～60 minutes under the temperature conditions of 5 DEG C～100 DEG C.
For thickness, although because tinting of repairing coloring substrate is different and variant, but generally make
It is suitable for, in the range of 5 μm～100 μm, being particularly suitable in 10 μm～60 μm for dry film thickness
In the range of.
It addition, in the present invention, due to according to as the matrix immobilized film of coloring repairing object
Select optimal substrate formation coating, therefore, even if repairing by coloring substrate in application
When coating not up to shielding film thickness, it is also possible to obtain target appearance of film.
As repairing the coating varnish coating using institute's application as required on coloring substrate film,
Existing known coating varnish coating can be used without particular limitation, such as, suitably use
Containing using the acrylic resin of the cross-linking functional group such as hydroxyl or fluororesin as host and also with
Blocked polyisocyanates, polyisocyanates or melmac etc. are as the curing type of firming agent
Coating, or using the modified acrylic resin of cellulose acetate-butyrate as the varnish of main component
Coating etc., it is also possible to contain as required pigment class, cellulose derivative class, addition type resin,
The additive for coatings such as UV absorbent, light stabilizer, surface conditioner, curing catalysts.
Coating varnish coating is dried, such as under the conditions of 20 DEG C～100 DEG C, preferably exist
It is dried 5 minutes～60 minutes under 40 DEG C～100 DEG C of temperature conditionss.For thickness, although can
Suitably adjust with the state according to coated surface, but be suitable for usually used as dry film thickness
In the range of 5 μm～100 μm, it is particularly suitable in the range of 10 μm～60 μm.
Embodiment
Below, it is further elaborated with the present invention by embodiment.But, the present invention not only
It is limited only to these embodiments.Additionally, " part " and " % " in following example refers respectively to " quality
Part " and " quality % ".
The optical data of ＜ coloring substrate topcoating film measures the making ＞ with test coated plate
Manufacture example 1
Will be formed with longitudinal 300mm of middle painting coating, horizontal 450mm steel plate as base material.
On the substrate, by than whole cover thickness 3 μm in the way of coating metal tint M (whole screening
Covering thickness is 12 μm) formed after metal matrix film, lacquer varnish coating (RETAN PG ECO
HS Clear Q, Kansai Paint Co., Ltd manufactures) and be dried so that dry film thickness reaches
To 50 μm, it is thus achieved that metal is tinted the stacking coated plate of M.
Manufacture example 2
Tint in addition to R, with system except the M that tinted by the metal manufactured in example 1 replaces with rubellan
Make example 1 and carry out same operation, it is thus achieved that rubellan is tinted the stacking coated plate of R.
Manufacture example 3
Tint in addition to W except the M that tinted by the metal manufactured in example 1 replaces with white mica, with
Manufacture example 1 and carry out same operation, it is thus achieved that white mica is tinted the stacking coated plate of W.
Manufacture example 4
Tint in addition to BE except the M that tinted by the metal manufactured in example 1 replaces with shallow dark brown Muscovitum,
With the operation manufactured as example 1 is carried out, it is thus achieved that shallow dark brown Muscovitum is tinted the stacking coated plate of BE.
Manufacture example 5
Tint in addition to BL except the M that tinted by the metal manufactured in example 1 replaces with blue Muscovitum, with
Manufacture example 1 and carry out same operation, it is thus achieved that blue Muscovitum is tinted the stacking coated plate of BL.
By manufacturing each stacking coated plate of obtaining of example 1～5 angle of incidence 75 ° shown in table 1 below
Time the meansigma methods of spectral reflectivity, 105 ° high reflectance, each coloring aabase paint whole
Cover thickness.
[table 1]
Table 1
(*) spectral reflectivity meansigma methods
For the stacking coated plate obtained in above-mentioned manufacture example 1～5, use spectral colorimetric meter
CM512m3 (trade name, Konica Minolta Opto Inc. manufacture, with from multi-direction in the form of a ring
Irradiation light mode) under conditions of angle of incidence 75 °, measure at wavelength 400nm～700nm
In the range of the spectral reflectivity of every 10nm, obtain the meansigma methods of obtained data.
(*) 105 ° of high reflectances
0 ° will be set to the direction of normal reflection light during 45 ° of irradiation light of angle of incidence, use spectrum
Tintometer MA61B (trade name, X-rite company manufactures, tintometer) uses up with setting measurement
The colour temperature in source about 3000 Kelvin, light source be D65 light source, the visual field be that the mode of 10 degree is surveyed
Amount reflection light on the direction of 105 ° is relative to the ratio of incident illumination, from obtained numbered
Peak is determined according to.
The manufacture ＞ of ＜ substrate formation coating
Manufacture example 6
In the acrylic resin soln (note 1) 30 parts of solid constituent 55%, add second successively
Acid butyl ester 6 parts, methyl iso-butyl ketone (MIBK) 4 parts, pigment dispersing agent 1.5 parts, titanium white 20 parts, charcoal
Black 0.03 part, 30 parts of Talcum, 5 parts of barium sulfate, zinc oxide 10 parts, dibutyltindilaurylmercaptide osmanthus
Acid esters 0.1 part, amide-type viscosifier (fatty acid amide, amide-type viscous regulator, effectively
Composition 20%) 1.0 parts and carry out mix and blend, carry out dispersion in 30 minutes and process, it is thus achieved that host
Composition.Before will using, this host composition 100 parts mixes polyisocyanates chemical combination
Thing (" SUMIDUR N3390EA ", trade name, Sumika Bayer Urethane Co., Ltd.
(firmly change バ イ エ Le ウ レ タ Application society) manufactures) 6 parts as firming agent, it is thus achieved that and substrate is formed to be used
Coating composition (A1).
(note 1) acrylic resin soln (1)
In reaction vessel, load butyl acetate 52 parts, stir and be warming up to 110 DEG C,
Dropping pump is utilized to drip according to certain speed through 3 hours below 110 DEG C: by styrene 15
Part, methyl methacrylate 10 parts, n-BMA 10 parts, methacrylic acid uncle
Butyl ester 20 parts, 2-Ethylhexyl Methacrylate 19 parts, HEMA 15
Part, Placcel FA-2D:10 part, the monomer of 1 part of acrylic acid composition, and polymerization initiator
Monomer mixture.110 DEG C and continuously stirred it are maintained in 60 minutes after completion of dropwise addition.So
After, the azodiisobutyronitrile 0.5 as additional catalyst will be dissolved with in butyl acetate 7 parts
The solution of part dripped according to certain speed 60 minutes periods.Then, at dropping knot
It is maintained at 110 DEG C in restrainting latter 60 minutes, terminates reaction.The acrylic acid tree of obtained hydroxyl
Lipoprotein solution be non-volatile matter be 55% and uniform yellow transparent solution, the weight average of its resin divides
Son amount is 14000, hydroxyl value is 81mgKOH/g.
Manufacture example 7
In the acrylic resin soln (note 1) 30 parts of solid constituent 55%, add second successively
Acid butyl ester 6 parts, methyl iso-butyl ketone (MIBK) 4 parts, pigment dispersing agent 1.5 parts, titanium white 8 parts, charcoal
Black 0.1 part, 30 parts of Talcum, 15 parts of barium sulfate, zinc oxide 10 parts, dibutyltindilaurylmercaptide osmanthus
Acid esters 0.1 part, amide-type viscosifier (fatty acid amide, amide-type viscous regulator, effectively
Composition 20%) 1.0 parts and carry out mix and blend, carry out dispersion in 30 minutes and process, it is thus achieved that host
Composition.Before will using, this host composition 100 parts mixes polyisocyanates chemical combination
Thing (" SUMIDUR N3390EA ", trade name, Sumika Bayer Urethane Co., Ltd.
Manufacture) 6 parts as firming agent, it is thus achieved that and substrate is formed with coating composition (A2).
Manufacture example 8
In the acrylic resin soln (note 1) 30 parts of solid constituent 55%, add second successively
Acid butyl ester 6 parts, methyl iso-butyl ketone (MIBK) 4 parts, pigment dispersing agent 1.5 parts, titanium white 1 part, charcoal
Black 0.8 part, 30 parts of Talcum, 20 parts of barium sulfate, zinc oxide 10 parts, dibutyltindilaurylmercaptide osmanthus
Acid esters 0.1 part, amide-type viscosifier (fatty acid amide, amide-type viscous regulator, effectively
Composition 20%) 1.0 parts and carry out mix and blend, carry out dispersion in 30 minutes and process, it is thus achieved that host
Composition.Before will using, this host composition 100 parts mixes polyisocyanates chemical combination
Thing (" SUMIDUR N3390EA ", trade name, Sumika Bayer Urethane Co., Ltd.
Manufacture) 6 parts as firming agent, it is thus achieved that and substrate is formed with coating composition (A3).
Manufacture example 9
By manufacture example 6 and 7 manufactures substrate formation coating composition (A1) 50 parts,
Substrate formation coating composition (A2) 50 parts is stirred mixing, it is thus achieved that substrate formation is coated with
Feed composition (A12).
Manufacture example 10
By manufacture example 7 and 8 manufactures substrate formation coating composition (A2) 50 parts,
Substrate formation coating composition (A3) 50 parts is stirred mixing, it is thus achieved that substrate formation is coated with
Feed composition (A23).
Manufacture example 11 (comparing use)
In the acrylic resin soln (note 1) 30 parts of solid constituent 55%, add second successively
Acid butyl ester 6 parts, methyl iso-butyl ketone (MIBK) 4 parts, pigment dispersing agent 1.5 parts, titanium white 10 parts, charcoal
Black 0.1 part, 50 parts of Talcum, 15 parts of barium sulfate, zinc oxide 10 parts, dibutyltindilaurylmercaptide osmanthus
Acid esters 0.1 part, amide-type viscosifier (fatty acid amide, amide-type viscous regulator, effectively
Composition 20%) 1.0 parts and carry out mix and blend, carry out dispersion in 30 minutes and process, it is thus achieved that host
Composition.Before will using, this host composition 100 parts mixes polyisocyanates chemical combination
Thing (" SUMIDUR N3390EA ", trade name, Sumika Bayer Urethane Co., Ltd.
Manufacture) 5 parts as firming agent, it is thus achieved that and substrate is formed with coating composition (B1).
Manufacture example 12 (comparing use)
In the acrylic resin soln (note 1) 30 parts of solid constituent 55%, add second successively
Acid butyl ester 6 parts, methyl iso-butyl ketone (MIBK) 4 parts, pigment dispersing agent 1.5 parts, titanium white 10 parts, charcoal
Black 0.1 part, 5 parts of Talcum, dibutyltin dilaurate 0.1 part, amide-type viscosifier (fat
Fat acid amide, amide-type viscous regulator, effective ingredient 20%) 1.0 parts and carry out mix and blend,
Carry out dispersion in 30 minutes to process, it is thus achieved that host composition.Before will using, become in this host
Points 100 parts mix polyisocyanate compound (" SUMIDUR N3390EA ", trade name,
Sumika Bayer Urethane Co., Ltd. manufactures) 11 parts as firming agent, it is thus achieved that substrate shape
Become with coating composition (B2).
Manufacture example 13 (comparing use)
Substrate formation coating composition (A1) 50 parts, substrate are formed with coating composition (B1)
50 parts are stirred mixing, it is thus achieved that substrate is formed with coating composition (A1B1).
Manufacture example 14 (comparing use)
Substrate formation coating composition (A3) 50 parts, substrate are formed with coating composition (B1)
50 parts are stirred mixing, it is thus achieved that substrate is formed with coating composition (B1A3).
Manufacture example 15 (comparing use)
Substrate formation coating composition (A1) 50 parts, substrate are formed with coating composition (B2)
50 parts are stirred mixing, it is thus achieved that substrate is formed with coating composition (A1B2).
Manufacture example 16 (comparing use)
Substrate formation coating composition (A3) 50 parts, substrate are formed with coating composition (B2)
50 parts are stirred mixing, it is thus achieved that substrate is formed with coating composition (A3B2).
Manufacture example 17 (comparing use)
In the acrylic resin soln (note 1) 30 parts of solid constituent 55%, add second successively
Acid butyl ester 6 parts, methyl iso-butyl ketone (MIBK) 4 parts, pigment dispersing agent 1.5 parts, titanium white 3 parts, charcoal
Black 2 parts, 30 parts of Talcum, 20 parts of barium sulfate, zinc oxide 10 parts, dibutyltindilaurylmercaptide cinnamic acid
Ester 0.1 part, amide-type viscosifier (fatty acid amide, amide-type viscous regulator, effectively become
Point 20%) 1.0 parts and carry out mix and blend, carry out dispersion in 30 minutes and process, it is thus achieved that host becomes
Point.Before will using, this host composition 100 parts mixes polyisocyanate compound
(" SUMIDUR N3390EA ", trade name, Sumika Bayer Urethane Co., Ltd. system
Make) 6 parts as firming agent, it is thus achieved that and substrate is formed with coating composition (B3).
Manufacture example 18 (comparing use)
Substrate formation coating composition (A2) 50 parts, substrate are formed with coating composition (B3)
50 parts are stirred mixing, it is thus achieved that substrate is formed with coating composition (A2B3).
Additionally, in the substrate formation coating composition manufactured by the present embodiment " resinous principle "
It it is the solid constituent of acrylic resin soln and as the polyisocyanate compound of firming agent.
The each substrate formation obtained by above-mentioned manufacture example 6～18 shown in table 2 below is coated with
Spectral reflectivity meansigma methods when the brightness of feed composition, angle of incidence 75 °, 105 ° of high reflectances.
[table 2]
Table 2
(*) brightness:
By each substrate formation coating composition, it is coated on galvanized iron sheet, 60 covering thickness
It is dried 20 minutes at DEG C, lacquer varnish coating (RETAN PG ECO HS Clear Q (commodity
Name, Kansai Paint Co., Ltd manufactures)) so that dry film thickness reaches 50 μm, at 60 DEG C
Under be dried 20 minutes obtain test coated plate, use spectral colorimetric meter CM512m3 (trade name,
Konica Minolta Opto Inc. manufactures) under conditions of angle of incidence 45 °, this test coated plate is surveyed
Amount L-value.
(*) spectral reflectivity meansigma methods:
For test coated plate used in brightness measurement, use spectral colorimetric meter CM512m3 (business
The name of an article, Konica Minolta Opto Inc. manufactures) measure at ripple under conditions of angle of incidence 75 °
In the range of long 400nm～700nm, the spectral reflectivity of every 10nm, obtains obtained data
Meansigma methods.
(*) 105 ° of high reflectances:
For test coated plate used in brightness measurement, use spectral colorimetric meter MA61B (commodity
Name, X-rite company manufactures, tintometer) under conditions of angle of incidence 45 ° at wavelength 400nm～
105 ° of reflectance are measured, selected high reflectance from obtained data in the range of 700nm.
Each coloring topcoating substrate optimal substrate formation coating composition is selected and real by ＜
Evaluation result ＞ repairing coated plate on border
Embodiment 1
The tint meansigma methods of the M spectral reflectivity when angle of incidence 75 ° of metal is 13.Prepare
Substrate formation coating (A1) based on the present invention, (A12), (A2), (A23),
(A3).Substrate forms coating (A23) and has average with the tint spectral reflectivity of M of metal
It is worth immediate spectral reflectivity meansigma methods.
Then, prepared 5 metals obtained by above-mentioned manufacture example 1 tint M stacking be coated with
Plate.After using sand paper to be ground half face of these 5 stacking coated plates until seeing steel plate,
Be dried, respectively spraying substrate formed with coating composition (A1), (A12), (A2),
(A23), (A3) cover thickness until reaching whole, at 60 DEG C be dried 20 minutes, so
After, use No. 600 sand paper to grind each substrate formation films, tint A in spray metal thereon
So that dry film thickness reaches 9 μm (metal tint the whole thickness that covers of M be 12 μm),
Formed after being less than the metal matrix film covering thickness, after being dried 10 minutes at 60 DEG C, spray
Varnish coating (RETAN PG ECO HS Clear Q, Kansai Paint Co., Ltd manufacture)
So that dry film thickness reaches 50 μm, it is dried at 60 DEG C 30 minutes and forms varnish film, make
With various substrates formation coating (A1), (A12), (A2), (A23), (A3),
Obtain metal to tint the repairing coated plate (M1) of the common metallochrome of M, varnish paint～(M5).
Repairing coated plate (M1)～(M5) for the metallochrome made use following benchmark to carry out reality
Border is evaluated.Show the result in table 3.Use the base selected according to spectral reflectivity meansigma methods
The metallochrome that end formation coating (A23) carries out actual application and obtains repairs the evaluation of coated plate
Result is good, and the dependency between method for selecting and the actual coated plate of the present invention is confirmed (ginseng
According to manufacturing example 22).
Embodiment 2
The tint meansigma methods of the R spectral reflectivity when angle of incidence 75 ° of rubellan is 17.Prepare
Substrate formation coating (A1) of based on the present invention, (A12), (A2), (A23),
(A3).Substrate forms coating (A2) and has average with the tint spectral reflectivity of R of rubellan
It is worth immediate spectral reflectivity meansigma methods.Then, except using rubellan color R to substitute
State the metal in embodiment 1 tint M, set grind after thickness as 20 μm (rubellan be coated with
The whole thickness that covers of color R is 35 μm) beyond, the operation as carrying out with embodiment 1,
Use various substrate formation coating (A1), (A12), (A2), (A23), (A3),
Obtain rubellan tint the common rubellan color of R, varnish paint repairing coated plate (R1)～
(R5).Use substrate formation coating (A2) selected according to spectral reflectivity meansigma methods
It is good that the rubellan color carrying out actual application and obtain repairs the evaluation result of coated plate, the present invention
Method for selecting and actual coated plate between dependency be confirmed (with reference to manufacture example 26).
Embodiment 3
The tint meansigma methods of the W spectral reflectivity when angle of incidence 75 ° of white mica is 57.7.Accurate
Standby substrate formation coating (A1) based on the present invention, (A12), (A2), (A23),
(A3).Substrate forms coating (A1) and has average with the tint spectral reflectivity of W of white mica
It is worth immediate spectral reflectivity meansigma methods.Then, except using the white mica W that tints to substitute
Metal in above-described embodiment 1 tint M, set grind after thickness as 30 μm (white micas
The whole thickness that covers of W of tinting is 45 μm) beyond, the operation as carrying out with embodiment 1,
Use various substrate formation coating (A1), (A12), (A2), (A23), (A3),
Obtain white mica tint the common white mica color of W, varnish paint repairing coated plate (W1)～
(W5).Use substrate formation coating (A1) selected according to spectral reflectivity meansigma methods
It is good that the white mica color carrying out actual application and obtain repairs the evaluation result of coated plate, the present invention
Method for selecting and actual coated plate between dependency be confirmed (with reference to manufacture example 29).
Embodiment 4
The tint meansigma methods of the BE spectral reflectivity when angle of incidence 75 ° of shallow dark brown Muscovitum is
32.0.Prepared substrate formation coating (A1) based on the present invention, (A12), (A2),
(A23)、(A3).Substrate forms coating (A12) to be had and tints BE with shallow dark brown Muscovitum
Spectral reflectivity meansigma methods immediate spectral reflectivity meansigma methods.Then, shallow except using
Dark brown Muscovitum tint BE to substitute the metal in above-described embodiment 1 tint M, set grind after
Thickness be beyond 25 μm (shallow dark brown Muscovitum tint the whole thickness that covers of BE be 40 μm),
Operation as carrying out with embodiment 1, use various substrate formation coating (A1), (A12),
(A2), (A23), (A3), it is thus achieved that tint BE, varnish paint of shallow dark brown Muscovitum is common
The repairing coated plate (BE1) of shallow dark brown Muscovitum color～(BE5).Use according to spectral reflectivity
The shallow tea that substrate formation coating (A12) that meansigma methods is selected carries out actual application and obtains
It is good that color Muscovitum color repairs the evaluation result of coated plate, the method for selecting of the present invention and actual coated plate
Between dependency be confirmed (with reference to manufacture example 35).
Embodiment 5
The tint meansigma methods of the BL spectral reflectivity when angle of incidence 75 ° of blue Muscovitum is 3.0.Accurate
Standby substrate formation coating (A1) based on the present invention, (A12), (A2), (A23),
(A3).Substrate forms coating (A3) to be had and puts down with the tint spectral reflectivity of BL of blue Muscovitum
Average immediate spectral reflectivity meansigma methods.Then, except using the blue Muscovitum BL that tints to come
Substitute the metal in above-described embodiment 1 tint M, sets the thickness after grinding as 20 μm (indigo plant
The tint whole thickness that covers of BL of Muscovitum is 35 μm) beyond, as carrying out with embodiment 1
Operation, use various substrate formation coating (A1), (A12), (A2), (A23),
(A3), it is thus achieved that blue Muscovitum tint the common blue repairing coated plate (BL1) of BL, varnish paint～
(BL5).Use substrate formation coating (A3) selected according to spectral reflectivity meansigma methods
The blue evaluation result repairing coated plate carrying out actual application and obtain is good, the choosing of the present invention
Determine the dependency between method and actual coated plate and be confirmed (with reference to manufacturing example 43).
Comparative example 1
Except the substrate formation coating that the combined amount using extender pigment is more than the scope of the invention
(B1) come beyond substrate formation coating (A2) in alternate embodiment 2, with embodiment 2
Carry out same operation.
Use various substrate formation coating (A1), (A1B1), (B1), (B1A3),
(A3), it is thus achieved that rubellan is tinted the repairing coated plate of the common rubellan color of R, varnish paint.
Substrate forms coating (B1) and has closest with the tint spectral reflectivity meansigma methods of R of rubellan
Spectral reflectivity meansigma methods.But, carry out reality to using substrate formation coating (B1)
The result that is evaluated of coated plate that what application obtained repair be finished appearance be " △ " rank, tack
For "×" rank (with reference to manufacturing example 46).
Comparative example 2
Except the substrate formation coating that the combined amount using extender pigment is fewer than the scope of the invention
(B2) come beyond substrate formation coating (A2) in alternate embodiment 2, with embodiment 2
Carry out same operation.
Use various substrate formation coating (A1), (A1B2), (B2), (B2A3),
(A3), it is thus achieved that rubellan is tinted the repairing coated plate of the common rubellan color of R, varnish paint.
Substrate forms coating (B2) and has closest with the tint spectral reflectivity meansigma methods of R of rubellan
Spectral reflectivity meansigma methods.But, carry out reality to using substrate formation coating (B2)
The result that is evaluated of coated plate that what application obtained repair be abrasiveness be that "×" rank is (with reference to manufacturing
Example 51).
Comparative example 3
Except the substrate formation coating that the combined amount using black pigment is more than the scope of the invention
(B3) come beyond substrate formation coating (A3) in alternate embodiment 5, with embodiment 5
Carry out same operation.
Use various substrate formation coating (A1), (A1A2), (A2), (A2B3),
(B3), it is thus achieved that blue Muscovitum is tinted the common blue repairing coated plate of BL, varnish paint.Substrate
Form coating (B3) and have immediate with the tint spectral reflectivity meansigma methods of BL of indigo plant Muscovitum
Spectral reflectivity meansigma methods.
But, carry out, to using substrate formation coating (B3), the repairing painting that actual application obtains
The result that plate is evaluated be transparent situation be "×" rank (with reference to manufacture example 58).
[table 3]
Table 3
[table 4]
Continued 3
[table 5]
Continued 3
Comparative example 4
Prepare substrate formation coating (A1) based on the present invention, (A12), (A2),
(A23), (A3), according to the value that angle of incidence is the high reflectance of 105 ° when 45 ° rather than
It is spectral reflectivity meansigma methods when 75 ° according to angle of incidence, selectes and be suitable to each coloring aabase paint
Substrate formation coating.Show the result in table 4.Value when use 105 ° high reflectance
Time, W tints and blue Muscovitum is tinted for BL, repairing that actual application obtains for white mica
Also obtain good result in coating plate, dependency is confirmed；But, metal is tinted
Tint R, shallow dark brown Muscovitum of M, rubellan is tinted for BE, at the repairing coated plate of actual application
Middle generation Transparency Phenomenon.(with reference to manufacturing example 23,28,36)
[table 6]
Table 4
(*) the transparent situation of substrate formation film
Using following benchmark, visual assessment is by the varnish film of each repairing coated plate and coloring substrate
Film can to what extent see substrate formation film.
: can not see tinting of substrate formation film completely, and unpatched part cannot be confirmed
Difference with repair part.
△: coloring substrate film is transparent, can see slightly tinting of substrate formation film.
×: coloring substrate film is transparent, can clearly see tinting of substrate formation film.
(*) finished appearance
For the outward appearance of each repairing coated plate, following benchmark is used to carry out visual assessment.
◎: reflecting feel, painting face flatness are very good, do not observe inspiration phenomenon and floating coating
Vestige；
Zero: reflecting feel, painting face flatness are good, do not observe inspiration phenomenon and floating coating vestige；
△: reflecting feel, painting face flatness are the worst, do not observe inspiration phenomenon and floating coating
Vestige；
×: reflecting feel, painting face flatness are bad, can observe inspiration phenomenon and floating coating vestige
In any one.
(*) tack
For being coated with the part of substrate formation film on each repairing coated plate, carry out JIS K5600
The gridiron pattern test of defined.Specifically, on the direction in length and breadth on film with 2mm between
It is disconnected to raw-material joint-cutting every forming 100 in chessboard trellis, and the upper bonding force of stickup is
The adhesive tape of 120gf/10mm.Then, being peeled in moment by this adhesive tape, investigation sticks to after peeling off
The quantity of the pellicula on adhesive tape, is evaluated according to following benchmark.
Zero: between primary coat film and metal matrix film, there is no peeling；
△: the stripping number between primary coat film and metal matrix film is less than 10%；
×: the stripping number between primary coat film and metal matrix film reaches more than 10%.
(*) abrasiveness
Use P600 sand paper to grinding sense when grinding for various substrate formation film coated surface
It is evaluated.
◎: the best；
Zero: good；
△: have and twine (か ら body) phenomenon of stumbling a little；
×: have and considerable twine phenomenon of stumbling.
Claims (9)
1. the method for selecting of a substrate formation coating, it is characterised in that described substrate is formed
With coating for formed be arranged on by repairings colour the coloring substrate film that formed of aabase paint it
Under basal layer, described repairing coloring aabase paint for repairing be provided with coloring matrix immobilized
The damaged portion of the coated body of film,
Wherein, selected described substrate from following multiple substrate formation coating group different from each other
Formation coating, thus in the meansigma methods of the spectral reflectivity of basal layer and described repairing object
The absolute value of the difference colouring the meansigma methods of the spectral reflectivity of matrix immobilized film is minimum:
Substrate is formed uses coating (A1), and it contains relative to the resinous principle of 100 mass parts
45 mass parts～the Chinese white of 110 mass parts；With
20 mass parts～the extender pigment of 300 mass parts；
Substrate is formed uses coating (A2), and it contains relative to the resinous principle of 100 mass parts
More than 10 mass parts and less than the Chinese white of 45 mass parts；
20 mass parts～the extender pigment of 300 mass parts；With
0.1 mass parts～the black pigment of 5.0 mass parts；
Substrate is formed uses coating (A3), and it contains relative to the resinous principle of 100 mass parts
More than 1 mass parts and less than the Chinese white of 10 mass parts；
20 mass parts～the extender pigment of 300 mass parts；With
0.1 mass parts～the black pigment of 5.0 mass parts.
2. the method for selecting of substrate formation coating as claimed in claim 1, wherein, described
Substrate formation coating (A1)～(A3) is two-part reaction-curable coating.
3. the method for selecting of substrate formation coating as claimed in claim 1 or 2, wherein,
In addition to described substrate formation coating (A1)～(A3), described different from each other multiple
Substrate formation coating group further comprise mixing described substrate formation coating (A1)～
(A3) two or more obtained substrate formation coating (An) in.
4. the method for selecting of substrate formation coating as claimed in claim 3, it is characterised in that
Described substrate formation coating (An) is described substrate formation coating (A1) and described substrate
The mixture (A12) of formation coating (A2) and described substrate formation coating (A2)
With the mixture (A23) of described substrate formation coating (A3), described substrate formation is coated with
Material group is made up of 5 kinds of coating groups.
5. the method for selecting of the substrate formation coating as according to any one of Claims 1 to 4,
Wherein, the meansigma methods of the spectral reflectivity of the matrix immobilized film of described coloring and described basal layer is,
It is that in the range of 400nm～700nm, in the measured value of every 10nm, spectral reflectivity exists at wavelength
The meansigma methods of more than 2.0%.
6. the method for selecting of the substrate formation coating as according to any one of Claims 1 to 5,
Wherein, the spectral reflectivity of the matrix immobilized film of described coloring and described basal layer is by with ring-type
Measure from the mode of multi-direction irradiation light.
7. the method for selecting of the substrate formation coating as according to any one of claim 1～6,
Wherein, in the case of the angle of incidence of light is in the range of 10 °～90 °, described coloring is measured
Matrix immobilized film and the spectral reflectivity of described basal layer.
8. a repairing/coating process, it is characterised in that will use in claim 1～7 and appoint
The substrate formation coatings that the method for selecting of one described substrate formation coating is selected
On the pars affecta being provided with the coated body colouring matrix immobilized film, by repairing coloring substrate
Coatings is on the basal layer formed.
9. repairing/coating process as claimed in claim 8, wherein, with less than covering thickness
Mode is coated with described repairing coloring aabase paint.
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| JPH07214683A (en) * | 1994-01-27 | 1995-08-15 | Mazda Motor Corp | Film repairing method and device for supporting article to be coated |
| EP0987062A2 (en) * | 1998-09-16 | 2000-03-22 | Nippon Paint Co., Ltd. | Method for formation and repair of a multilayer coating |
| CN102549545A (en) * | 2008-10-31 | 2012-07-04 | Ppg工业俄亥俄公司 | Color formulation selection process with visual display |
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| WO2014108478A1 (en) * | 2013-01-11 | 2014-07-17 | Basf Coatings Gmbh | 2-component primer composition and method for producing coatings using the primer composition |
| CN104114985A (en) * | 2011-09-30 | 2014-10-22 | 涂层国外知识产权有限公司 | Method for matching color and appearance of coatings containing effect pigments |
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|---|---|---|---|---|
| JPH07214683A (en) * | 1994-01-27 | 1995-08-15 | Mazda Motor Corp | Film repairing method and device for supporting article to be coated |
| EP0987062A2 (en) * | 1998-09-16 | 2000-03-22 | Nippon Paint Co., Ltd. | Method for formation and repair of a multilayer coating |
| CN102549545A (en) * | 2008-10-31 | 2012-07-04 | Ppg工业俄亥俄公司 | Color formulation selection process with visual display |
| CN102952445A (en) * | 2011-08-18 | 2013-03-06 | 关西涂料株式会社 | Multi-component ground coating, toning method, and coating repairing method |
| CN104114985A (en) * | 2011-09-30 | 2014-10-22 | 涂层国外知识产权有限公司 | Method for matching color and appearance of coatings containing effect pigments |
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