CN1325765A - Method for paint spraying of vehicle body - Google Patents
Method for paint spraying of vehicle body Download PDFInfo
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- CN1325765A CN1325765A CN01119534A CN01119534A CN1325765A CN 1325765 A CN1325765 A CN 1325765A CN 01119534 A CN01119534 A CN 01119534A CN 01119534 A CN01119534 A CN 01119534A CN 1325765 A CN1325765 A CN 1325765A
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Classifications
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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
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
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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
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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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- 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
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/53—Base coat plus clear coat type
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C09D161/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
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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
- B05D2201/00—Polymeric substrate or laminate
- B05D2201/02—Polymeric substrate
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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
- B05D2202/00—Metallic substrate
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
A method for coating an automotive body is characterized in that a colored coating material(A)containing a resin which contains a hydroxyl group, a melamine resin and a colored pigment is applied to the metal part and a colored coating material(B)obtained by adding a polyisocyanate compound to the colored coating material(A)is applied to the plastic part, when the colored coating materials are applied to the automotive body made up of the metal part and the plastic part. Clear coating materials are applied to each paint film by a two-coat one-bake process. Accordingly, it is possible to finish the metal part and the plastic part of the automotive body made up of these parts, with a coat of an approximate or the same color tone.
Description
The present invention relates to these two parts of the car body that is made of metal part and parts of plastics are processed into the method for paint spraying of new automobile car body approximate or the same hue lacquer painting.
The part of car body outside plate, for example, bumper and fender etc. adopt plastic products such as polypropylene and polyurethane to replace metal before this in a large number.It is believed that this can alleviate tare, and be easy to processing and forming.Yet; for two parts of metal part and parts of plastics,, sprayed coating in order to increase aesthetic feeling and to be protected; but; parts of plastics is more soft than the metal part, and the thermal softening temperature is low, and; also insufficient with the tack of paint film; so generally speaking, parts of plastics will be sprayed paint with the coating different with the metal part.
For example, metal partly adopts the melamine resin that the solidifies thermosetting pigmented finiss as curing agent under the high temperature more than 140 ℃, parts of plastics then adopts the polyisocyanate compound that solidifies under the low temperature below 100 ℃ to be sprayed paint respectively as the two-liquid type pigmented finiss of curing agent.
Yet in these coating, especially for the pigmented finiss of parts of plastics spraying, owing to be two-liquid type, its working life is short, must mix with curing agent rapidly, and requirement is not residual when spraying, therefore, and complex operation, this is an individual shortcoming.Yet, spray on same by spray, be difficult to divide the tone of used pigmented finiss approximate or consistent with metal part, this also is a shortcoming.
The objective of the invention is to solve above-mentioned shortcoming.
What the inventor concentrated one's attention on to study found that, on the car body that constitutes by metal part and parts of plastics during spray colouration coating, the coating of using as parts of plastics particularly, can adopt in the metal part that contains resin, melamine resin and coloring pigment and divide in the used coating with hydroxyl, the coating that contains polyisocyanate compound again and constituted, by using the coating of such formation, can achieve the above object, so finished the present invention.
Therefore, according to the invention provides a kind of car body method for paint spraying (below, be called " this method 1 "), it is characterized in that, on the car body that constitutes by metal part and parts of plastics during spray colouration coating, at metal part spray colouration coating (A), contain resin, melamine resin and coloring pigment in this coating (A) with hydroxyl, and at parts of plastics spray colouration coating (B), this coating (B) is in pigmented finiss (A), contains that polyisocyanate compound constitutes again.
In addition, according to the invention provides a kind of car body method for paint spraying (below, be called " this method 2 "), it is characterized in that, when spray colouration coating on the car body that constitutes by metal part and parts of plastics,, pigmented finiss (A) and clear dope (C) mode with 1 baking of 2 coatings (2 コ-ト | ベ イ Network) is sprayed in the metal part, and in parts of plastics, pigmented finiss (B) and clear dope (D) mode with 1 baking of 2 coatings is sprayed.
Below, in more detail car body method for paint spraying of the present invention is illustrated.
In this method 1 and 2; automobile as the object that sprays paint; can enumerate; for example; various cars, light-duty vehicle and bus etc.; as the car body of these automobiles, can enumerate instrument board protective cover, dashboard, door skin, tailstock boot-lid panel, steering column, minibus back side panel, vehicle body boundary frame area, bumper, preceding coaming plate, radiator grille, protection moulded parts etc.Wherein, majorities such as dashboard, vehicle body boundary frame area, preceding coaming plate, radiator grille and protection moulded parts make made of plastic.As the raw material of parts of plastics, most polyolefin resin such as polypropylene and polyurethane resins etc. of using.
When this method 1 and 2 is implemented, metal parts are at first used the known cation electrolysis electrodeposition coating of people, and, according to occasion, again with in coating spraying, make this curing of coating, be desirable, in addition, even the parts to plastics are made also can carry out surface preparation etc. earlier with the known method of people, are desirable.
The pigmented finiss (A) that uses in this method 1 and 2 is the metal coating partly that is used to spray the car body that is made of metal part and parts of plastics, wherein contains: resin, melamine resin and coloring pigment with hydroxyl.
As resin, for example, can from a molecule, have at least a resin of selecting among the known mylar of the people of the hydroxyl more than 2, alkyd resins, the acrylic resin etc. and be used as coating with hydroxyl.These resins generally have 20～150, the hydroxyl value of 30～100 scopes particularly, and have 1000～100000, particularly the number-average molecular weight of 3000～50000 scopes is suitable.
Melamine resin is to carry out the composition that cross-linking reaction makes film curing with above-mentioned resin with hydroxyl, so part or all of the unit alcohol that makes 1～10 of carbon number and the methylol of melamine and formaldehyde condensation products carried out etherification reaction and the alkyl etherificate melamine resin that forms is desirable.Above-mentioned have the resin of hydroxyl and the amount ranges of melamine resin generally is, total weight of solids with these two kinds of compositions is a benchmark, resin with hydroxyl is 50～90% (weight), 60～80% (weight) particularly, and melamine resin is 50～10% (weight), particularly 40～20% (weight).
As coloring pigment, can use those same coloring pigments of common usefulness in the pigmented finiss, comprising: for example, solid color pigments; Metallic pigments such as aluminum slice, evaporation aluminium powder, aluminium oxide; With the interference of light pigment of lining such as splitting, iron oxide and/or titanium oxide etc., these can be distinguished and use separately, also can be used in combination more than 2 kinds or 2 kinds.The amount ranges of these coloring pigments generally to 100 parts of the solid amounts of resin with hydroxyl and melamine resin, can be used 1～200 part (weight), particularly 3～80 parts (weight).
Pigmented finiss (A), except that above-mentioned resin, melamine resin and coloring pigment with hydroxyl, can also contain general coating additives such as composing matter pigment, ultra-violet absorber, lacquer painting conditioning agent as required, these compositions are blended in the organic solvent, make its dissolving or disperse and prepare.Pigmented finiss (A), its viscosity is adjusted to #4/20 ℃ of 10～25 seconds/Ford cup, with methods such as aerial spraying, airless spraying, electrostatic sprayings, be benchmark with the cured paint film of the metal of car body part, the thickness that general spraying reaches 10～40 μ m is desirable.Formed paint film in about 120～about 180 ℃, particularly under about 130～about 160 ℃ temperature, heats and made its curing in about 10～about 40 minutes.
In this method 1, be used for the pigmented finiss (B) of spray car car body parts of plastics, be in above-mentioned pigmented finiss (A), to contain the coating that polyisocyanate compound constitutes again.That is to say, coating (A) and coating (B), be in painting process, to be sprayed on material on the same car body, just wherein, coating (B) is the coating that sprays paint in parts of plastics, and it is to append the coating that cooperates polyisocyanate compound and constitute being used for the above-mentioned pigmented finiss (A) that metal partly sprays paint.Therefore, it is identical or very similar that the paint film tone of the paint film color harmony coating (B) of coating (A) is wanted, tone difference between two paint films almost or is not fully recognized, when adopting this coating (A) and coating (B), during the simultaneous car body of metal part of spraying paint respectively and parts of plastics, two-part tone difference almost or is not fully recognized.
Pigmented finiss (B), be can spray on the metal part of same coated article (car body) and be in containing the pigmented finiss (A) of resin, melamine resin and coloring pigment, to contain polyisocyanate compound again and the coating that constitutes with hydroxyl, as the resin with hydroxyl, melamine resin and coloring pigment, wish to use same those that relate in the above-mentioned coating (A).
In addition, in coating (B), append the polyisocyanate compound of use, be the compound that has NCO free more than 2 in 1 molecule, concrete can enumerate aliphatic polyisocyanate compounds such as hexamethylene diisocyanate, trimethylene diisocyanate, tetramethylene diisocyanate, dimer acid vulcabond, LDI; Alicyclic polyisocyanates compounds such as IPDI, di-2-ethylhexylphosphine oxide (cyclohexyl isocyanate), cyclohexyl diisocyanate; Aromatic polyisocyanate compounds such as penylene dimethyl vulcabond, methyl penylene dimethyl vulcabond, cresylene vulcabond, methyl diphenylene diisocyanate, naphthylene vulcabond, urine alkide of the isocyanates surplus of polyalcohol such as the dimer of these polyisocyanate compounds, tripolymer, ethylene glycol and trimethylolpropane and these polyisocyanate compounds etc.
In pigmented finiss (B), the use level of polyisocyanate compound generally speaking, has 100 parts of the total amounts (weight) of the resin and the melamine resin of hydroxyl, its solid composition ratio is 5～30 parts (weight), is suitable in the scope of 10～20 parts (weight) particularly.This polyisocyanate compound, when storing might with the resin reaction of hydroxyl, yet, because a small amount of, so, gelation takes place in the storage hardly.
Pigmented finiss (B), except that above-mentioned resin, melamine resin, polyisocyanate compound and coloring pigment with hydroxyl, as required, also can contain common coating additives such as composing matter pigment, ultra-violet absorber, lacquer painting conditioning agent, these compositions are blended in the organic solvent, are prepared by dissolving or dispersion.This pigmented finiss (B) by its viscosity being adjusted to #4/20 ℃ of 10～15 seconds/Ford cup, and adopts methods such as aerial spraying, airless spraying, electrostatic spraying, sprays paint on the parts of plastics of car body.The thickness of its film is benchmark with the paint film that solidifies, and is generally the scope of 10～30 μ m.This paint film,, particularly under about 70～about 90 ℃ temperature, heat and made its curing in about 30～about 60 minutes in about 50～about 120 ℃.
The filming separately separately made from coating (A) and coating (B), with observe do not carried out more than the degree of the tone of lacquer painting hidden be colored as preferred.
When implementing this method 1, generally speaking, earlier metal parts is separated with plastic components, to metal parts pigmented finiss (A), and plastic components is sprayed paint respectively with pigmented finiss (B), after treating these film curings, again two parts being assembled the formation car body, is desirable.
On the other hand, this method 2 is as stated above at metal part spray colouration coating (A), and at parts of plastics spray colouration coating (B), do not make these film curings, spray clear dope (C) and (D) on each lacquer painting, two paint films make its curing in the mode of 1 baking of 2 coatings and constitute.
Reach (D) as clear dope (C), can use the known coating that can form water white transparency or colored transparent paint film of people.
For example, in the metal part, can use bridging property functional groups' such as having hydroxyl, carboxyl, epoxy radicals matrix resin such as acrylic resin, mylar, with melamine resin, (END CAPPED GROUP) polyisocyanate compound, carboxylic compound or crosslinking agents such as resin, the compound that contains epoxy radicals or resin, according to circumstances, the organic solvent type thermosetting clear dope (C) that contains an amount of coloring pigment that does not influence formed paint film transparency degree basically again is to be fit to use.This clear dope (C), its viscosity is adjusted to #4/20 ℃ of 10～30 seconds/Ford cup, with methods such as aerial spraying, airless spraying, electrostatic sprayings, on the lacquer painting of the uncured pigmented finiss (A) that sprays as stated above, be benchmark with the paint film that solidifies, the thickness of spraying is generally 20～80 μ m, then, in about 120～about 180 ℃, particularly under about 130～about 160 ℃ temperature, heated about 10～about 40 minutes, and can make two film curings simultaneously.
In addition, in parts of plastics, employing has matrix resins such as the acroleic acid resin, mylar of bridging property functional groups such as hydroxyl, with crosslinking agents such as polyisocyanate compounds, according to occasion, the clear dope (D) of the two-liquid type that an amount of coloring pigment that containing does not influence formed paint film transparency degree basically again constitutes is suitable.This clear dope (D), its viscosity is adjusted to #4/20 ℃ of 10～30 seconds/Ford cup, with methods such as aerial spraying, airless spraying, electrostatic sprayings, on the lacquer painting of the uncured pigmented finiss (B) that has been coated with as stated above, be benchmark with the paint film that solidifies, the thickness of spraying 20～80 μ m, then, in about 50～about 100 ℃, particularly under about 70～about 90 ℃ temperature, heated about 30～about 60 minutes, and can make two film curings simultaneously.
When this method 2 is implemented, generally speaking, earlier metal parts is separated with plastic components, respectively in the mode of 2 coatings 1 time baking, spray colouration coating (A) and clear dope (C) on metal parts, and on plastic components spray colouration coating (B) and clear dope (D), after making these film curings, two parts being combined, constitute car body, is desirable.
Method 1 and 2 according to the invention described above can obtain following effect.
(1) pigmented finiss (B), be the coating that sprays the parts of plastics of the car body that constitutes by metal part and parts of plastics, be in the pigmented finiss (A) of spray metal part, contain again that polyisocyanate compound constitutes, therefore, the tone of the paint film of pigmented finiss (A) and the paint film of coating (B) is identical or very close, and the difference of the tone between two paint films almost or fully can't be confirmed.
(2) pigmented finiss (B), owing to being only contains the coating that polyisocyanate compound constitutes in pigmented finiss (A), so, omit the toning operation, can make kind unification etc., and, the reduction of production cost, the minimizing of operation also becomes possibility.
(3) in the parts of plastics of car body, after being coated with pigmented finiss (B) and clear dope (D) and solidifying in the mode of 2 coatings 1 time baking, repairing on the orthotic line, as required, the part of studying for a second time courses one has flunked is ground, to these parts, in the mode of 1 baking of 2 coatings, its interlaminar adhesion of paint film of studying for a second time courses one has flunked after spraying is solidified with pigmented finiss (B) and clear dope (D) is good.
(4) because in pigmented finiss (B), cooperate a spot of polyisocyanate compound, so, fine properties.
(5) when metal part being divided used pigmented finiss (A) remain untouched directly to be coated on the parts of plastics, the tone uniformity of two kinds of parts is good, yet, because this paint film is a Thermocurable, can not make its curing in the low temperature below 100 ℃, and for must for the parts of plastics of low-temperature setting, being difficult to form the paint film with practicality, yet, in the present invention, in pigmented finiss (A), also contain polyisocyanate compound, make the pigmented finiss (B) that low temperature can solidify,, can solidify to form and not damage the conforming paint film of tone with good practicality by it is sprayed on the parts of plastics.
(6) metal part is divided used pigmented finiss (A), particularly metallic paint, compares with the metallic paint that parts of plastics is used, the orientation of metallic pigments is good, and, in the present invention, it also is sprayed on the parts of plastics, then can improves the metal sense of parts of plastics.
[embodiment]
Below by embodiment and comparative example, be described more specifically the present invention, yet the present invention has more than and is limited to these embodiment." part " reaches " % ", all is benchmark with weight, and the thickness of paint film is the film thickness after solidifying.
Embodiment 1
(the hydroxyl value 80 of the acrylic resin with hydroxyl, number-average molecular weight 12000) 70 part, 30 parts of the melamine resins of butyl etherization, 30 parts of aluminum slice pigment and carbon black are blended in the organic solvent (toluene) for 1 part, and viscosity is adjusted to #4/20 ℃ of 10～25 seconds/Ford cup and the metallic paint (pigmented finiss A) that constitutes, be sprayed on cation electrodeposition coating and on the metal coated article (metal part) that has solidified of filming of coating spraying, make thickness reach 15 μ m, after room temperature is placed 3 minutes, (Northwest ペ イ Application ト society makes in coating " マ ジ Network ロ Application Network リ ヤ ", trade name, form the transparent paint film clear dope of acrylic melamine resinae), make thickness reach 40 μ m, in 140 ℃ of heating 30 minutes, make two film curings.
On the other hand, (the hydroxyl value 80 of the acrylic resin with hydroxyl, number-average molecular weight 12000) 70 part, 30 parts of the melamine resins of butyl etherization, 10 parts of hexamethylene diisocyanates, 30 parts of aluminum slice pigment and carbon black are blended in the organic solvent (toluene) for 1 part, and its viscosity is adjusted to #4/20 ℃ of 10～25 seconds/Ford cup and the metallic paint (pigmented finiss B) that constitutes, be sprayed on through degreasing, on the polypropylene board of cleaning (plastic components), make thickness reach 15 μ m, after room temperature is placed 3 minutes, (Northwest ペ イ Application ト society makes in spraying " ソ Off レ ッ Network ス 5200 ", trade name, form the transparent paint film of acrylic acid polyisocyanates two-liquid type clear dope), make thickness reach 40 μ m, in 80 ℃ of heating 30 minutes, make two film curings.
Pigmented finiss (B) is only to contain polyisocyanate compound and the coating that constitutes in coating (A), can omit the toning operation, can make kind unified, and the reduction of production cost, the shortening of operation also become possibility.And when part of the metal after the spraying and parts of plastics compared like this, the otherness of its tone can not be confirmed fully.
Claims (10)
1. the method for paint spraying of a car body, it is characterized in that, on the car body that constitutes by metal part and parts of plastics during spray colouration coating, in the metal part, spraying contains the pigmented finiss (A) of resin, melamine resin and coloring pigment with hydroxyl, and, be sprayed on the pigmented finiss (B) that also contains polyisocyanate compound in the pigmented finiss (A) and constituted in parts of plastics.
2. the method for paint spraying of a car body, it is characterized in that, on the car body that constitutes by metal part and parts of plastics during spray colouration coating, in the metal part, in the mode of 1 baking of 2 coatings, spray colouration coating (A) and clear dope (C), and in parts of plastics, mode, spray colouration coating (B) and clear dope (D) with 1 baking of 2 coatings.
In the claim 1 or 2 record method, wherein, coloring pigment is solid color pigments, metallic pigments or interference of light pigment.
In the claim 1 or 2 record method, wherein, pigmented finiss (A), in the resin of hydroxyl and the solid constituent gross weight of melamine resin is benchmark, content with hydroxy resin is 50～90% (weight), and the content of melamine resin is 50～10% (weight).
In the claim 1 or 2 record method, wherein, pigmented finiss (B), resin and melamine resin with hydroxyl add up to per 100 parts (weight) to contain 5～30 parts of polyisocyanate compounds (weight).
6. the method for record in the claim 1 wherein, is at first separated the metal part with parts of plastics, respectively at metal part spray colouration coating (A), and at parts of plastics spray colouration coating (B), make these film curings after, two parts are combined, constitute car body.
In the claim 2 record method, clear dope (C) is an organic solvent type thermosetting clear dope, wherein contain: matrix resin such as acrylic resin, mylar with bridging property functional groups such as hydroxyl, carboxyl, epoxy radicals, with melamine resin, (end-blocking) polyisocyanate compound, carboxylic compound or crosslinking agents such as resin, the compound that contains epoxy radicals or resin, and, according to occasion, also contain an amount of coloring pigment that does not in fact hinder film forming transparent degree.
In the claim 2 record method, clear dope (D) is the clear dope of two-liquid type, wherein contain: matrix resin such as acrylic resin, mylar with bridging property functional groups such as hydroxyls, crosslinking agent with polyisocyanate compound etc., and, according to circumstances, also contain an amount of coloring pigment that does not in fact influence formed paint film transparency degree.
In the claim 2 record method, at first the metal part is separated with parts of plastics, mode with 1 baking of 2 coatings, respectively at metal part spray colouration coating (A) and clear dope (C), and at parts of plastics spray colouration coating (B) and clear dope (D), after making these film curings, two parts are combined, constitute car body.
10. with the car body that sprays paint of method of record in claim 1 or 2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP154834/2000 | 2000-05-25 | ||
| JP2000154834A JP4800465B2 (en) | 2000-05-25 | 2000-05-25 | Car body painting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1325765A true CN1325765A (en) | 2001-12-12 |
| CN1212897C CN1212897C (en) | 2005-08-03 |
Family
ID=18659865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011195347A Expired - Fee Related CN1212897C (en) | 2000-05-25 | 2001-05-24 | Method for paint spraying of vehicle body |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4800465B2 (en) |
| KR (1) | KR100751749B1 (en) |
| CN (1) | CN1212897C (en) |
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| CN100339164C (en) * | 2001-12-28 | 2007-09-26 | 本田技研工业株式会社 | Procedure for forming coating on vehicle body and sealant drying apparatus |
| CN100581659C (en) * | 2002-12-10 | 2010-01-20 | 日产自动车株式会社 | Coating method for plastic parts |
| CN107847964A (en) * | 2015-07-08 | 2018-03-27 | 马自达汽车株式会社 | Multi-layer coating film and painting object |
| CN108715648A (en) * | 2016-05-19 | 2018-10-30 | 晋江国盛新材料科技有限公司 | A kind of spray painting painting methods of TPU expanded beads formed body |
| CN109971029A (en) * | 2019-03-28 | 2019-07-05 | 福建鑫瑞新材料科技有限公司 | A kind of coloured foamed material and preparation method thereof |
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| KR100793895B1 (en) * | 2006-11-08 | 2008-01-15 | 현대자동차주식회사 | Painting method for body |
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| JP2865889B2 (en) * | 1991-03-01 | 1999-03-08 | 関西ペイント株式会社 | Topcoat colored base coating composition and coating method |
| JPH05331416A (en) * | 1992-12-21 | 1993-12-14 | Dainippon Ink & Chem Inc | Aqueous coating composition and coating method using the same |
| JP2769679B2 (en) * | 1994-07-27 | 1998-06-25 | 日本油脂株式会社 | Painted metal plate and method of manufacturing coated metal plate |
| JPH10137680A (en) * | 1996-11-08 | 1998-05-26 | Nippon B Chem Kk | Low temperature baking type film forming system for plastic material |
-
2000
- 2000-05-25 JP JP2000154834A patent/JP4800465B2/en not_active Expired - Fee Related
-
2001
- 2001-05-24 KR KR1020010028566A patent/KR100751749B1/en not_active IP Right Cessation
- 2001-05-24 CN CNB011195347A patent/CN1212897C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100339164C (en) * | 2001-12-28 | 2007-09-26 | 本田技研工业株式会社 | Procedure for forming coating on vehicle body and sealant drying apparatus |
| CN100581659C (en) * | 2002-12-10 | 2010-01-20 | 日产自动车株式会社 | Coating method for plastic parts |
| CN107847964A (en) * | 2015-07-08 | 2018-03-27 | 马自达汽车株式会社 | Multi-layer coating film and painting object |
| CN108715648A (en) * | 2016-05-19 | 2018-10-30 | 晋江国盛新材料科技有限公司 | A kind of spray painting painting methods of TPU expanded beads formed body |
| CN109081937A (en) * | 2016-05-19 | 2018-12-25 | 晋江国盛新材料科技有限公司 | A kind of retouching for TPU expanded bead formed body paints color method |
| CN109971029A (en) * | 2019-03-28 | 2019-07-05 | 福建鑫瑞新材料科技有限公司 | A kind of coloured foamed material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010107702A (en) | 2001-12-07 |
| KR100751749B1 (en) | 2007-08-24 |
| JP4800465B2 (en) | 2011-10-26 |
| JP2001334207A (en) | 2001-12-04 |
| CN1212897C (en) | 2005-08-03 |
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