CN1161707A - Filler component for use in aqueous base paints - Google Patents
Filler component for use in aqueous base paints Download PDFInfo
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- CN1161707A CN1161707A CN 95195786 CN95195786A CN1161707A CN 1161707 A CN1161707 A CN 1161707A CN 95195786 CN95195786 CN 95195786 CN 95195786 A CN95195786 A CN 95195786A CN 1161707 A CN1161707 A CN 1161707A
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Abstract
The present invention relates to a filler componentwhich contains a1) 10-70% by weight of a polyurethane resin capable of being diluted with water or a plurality of aqueous fluid dispersion of polyurethane resin capable of being diluted with water, wherein the content of the polyurethane in the aqueous fluid dispersion is 10-60 wt. %, preferably 20-50 wt. %; A2) 0-30% by weight of one or a plurality of amino resin and/or end capping polyisocyanic acid ester; a3) 0-50% by weight of one or a plurality of physical dryness cementing substance different from a1); a4) 5-40% by weight of one or a plurality of filling agent and/or extending agent; a5) 0-30% by weight of one or a plurality of coloured pigment and/or pigment with heterochromatosis with angles; a6) 0-5% by weight of one or a plurality of flowing deformation adjuvant and/or painting adjuvantand a7) 0-10% by weight of organic solvents.
Description
The present invention relates to the water-based filler component that the aqueous priming paint of coating plastic and metal substrate is used, relate to the aqueous priming paint that contains such extender paste, and relate to and be used for the method that plastics and metal substrate directly apply.
The parts that the add-on component of body of a motor car, automotive industry and a large amount of non-automobile are used are all by various metal manufacturings, and more and more by the plastics manufacturing.
Coating on the plastics must have good binding property to corresponding plastic bottom material on the one hand, and the surface imperfection on the essential on the other hand plastic covering ground.The direct coating on the common plastics ground of moisture priming paint of color travel or monochromatic priming paint does not promptly have the priming paint coating and has many problems, because there was not drop priming before this, it is the defective of covering surfaces fully, as streamline.
In such plastic bottom material and the surface imperfection on the metal substrate, cover with thick coating putty and/or finish paint usually as groove, aperture, cavity or streamline.No putty priming paint is known by early stage application form DE4315467.0, and it is not previous publication.But this system can not be used for aqueous priming paint.Under the coating situation of the water-based monochrome of routine or color travel priming paint, the requirement to optical property and other technologies character under this occasion is high (as the electrostatic applications of Clear paint), applies putty in advance and/or filler is absolutely necessary really.Directly no putty and/or packless aqueous priming paint are coated in by producing ununiformity on polarity frosting that forms in making and the metallic surface, and it can only make quality obviously descend.
It is known using aqueous priming paint.This class aqueous priming paint only can be used for the cryodrying of plastics under limited degree.Another shortcoming is, the coating that is formed by aqueous priming paint is stable inadequately, and this deficiency does not contain mineral filler usually owing to aqueous priming paint.
DE4107136 discloses aqueous priming paint.Unexposed aqueous priming paint is used for frosting and directly applies, then with next Clear paint electrostatic coating.
So, the objective of the invention is to eliminate the shortcoming of above-mentioned prior art.So, the invention provides and be used for conventional plastic bottom material, the aqueous priming paint that applies of polarity plastic bottom material and metal substrate particularly, the example of plastic bottom material is polycarbonate, polymeric amide, polystyrene, styrol copolymer, polyester, polyphenylene oxide, pretreated (as surface active) polyolefine, and the blend composition of they and other plastics, reaction resin (as PUR-RIM, SMC, BMC etc.), these grounds might directly apply with this priming paint; In other words, when using, these priming paint do not need to use putty under the situation of plastic bottom material; Or do not need to use filler under the situation of metal substrate, and it is applicable to the automobile covering with paint, its result has saved a large amount of expenses.Aqueous priming paint should have good binding property to ground, although particularly there is not putty, producing has good covering to surface imperfection such as groove and streamline.
It is shocking that this purpose can reach by the water-based filler component of claim 1, this water-based filler component is used for various priming paint, and they are suitable for the polarity plastic bottom material and metal substrate directly applies, and promptly do not contain the coating of putty.
Therefore, the invention provides a kind of filler component, it contains a1) 10～70% (weight), the aqueous dispersions of the aqueous dispersions of the urethane resin of a kind of water-dilutable of preferred 40～55% (weight) or the urethane resin of multiple water-dilutable, the solid content of urethane is 10～60% (weight) in aqueous dispersions, preferred 20～50% (weight), a2) 0～30% (weight) one or more aminoresin and/or end capped polyisocyanates, a3) 0～50% (weight), preferred 0～10% (weight) one or more with a1) different physical dryness tackiness agents, a4) 5～40% (weight), preferred 10～30% (weight) one or more fillers and/or extender, a5) 0～30% (weight), preferred 5～20% (weight) colored pigments and/or color travel pigment, a6) 0～5% (weight), preferred one or more rheology auxiliarys of 0.5～2% (weight) and/or paint auxiliary, and a7) 0～10% (weight), preferred 3～7% (weight) organic solvent, in each case, component a1) to a7) summation be 100% (weight).
According to the present invention, this filler component is used for the priming paint of the direct coating of above-mentioned ground.
Hereinafter, each single composition of filler component of the present invention will be discussed in more detail.
Filler component contains 10～70% (weight), preferred a kind of waterborne polyurethane resin of 40～55% (weight) or multiple waterborne polyurethane resin a1).Do not contain crosslinked component a2 at filler component) situation under, these resins are polyurethane elastomers that elastic, aromatics and/or aliphatic, side chain or the straight chain of good physical drying power and high specific volume is arranged.Polyurethane elastomer can contain for crosslinked free hydroxyl group.
Contain linked a2 at filler component) situation under, at least aly the urethane resin aqueous dispersions of enough high hydroxyl values is arranged as component a1), the hydroxyl value that is to say the urethane resin dispersion liquid is 50～500, preferred 100～350 milligrams of KOH/ gram.The polyvalent alcohol that is used to prepare the urethane resin dispersion liquid of hydroxyl can have lower molecular weight and/or high molecular.As suitable high-molecular weight polyol component is arranged, can use molecular weight is 400～5000 saturated or unsaturated polyester-polyvalent alcohol and/or polyethers-polyvalent alcohol.Polyester-polyvalent alcohol prepares by organic di-carboxylic acid or its acid anhydride and organic dibasic alcohol ester, is perhaps prepared by hydroxycarboxylic acid or lactone.In order to prepare the polyester-polyvalent alcohol of side chain, can use the polyvalent alcohol or the polycarboxylic acid of higher functionality on a small quantity.The isocyanic ester that is used to prepare urethane resin has the polyisocyanates of aliphatic series, cyclic aliphatic and/or the aromatics of two isocyanate group at least for each molecule.They are preferably the isomer or the isomer mixture of organic diisocyanate.Polyisocyanate component also can comprise the polyisocyanates of a certain proportion of higher functionality.If desired, can reduce average functionality by adding monoisocyanates.The example of the polyisocyanates that is fit to is 1, two (the 2-isocyanato-third-2-yl) benzene of 3-, phenylene vulcabond, toluene two cyanates, Xylene Diisocyanate, the biphenylene vulcabond, naphthalene diisocyanate, diphenylmethanediisocyanate, isophorone diisocyanate, the cyclopentylidene vulcabond, the cyclohexylidene vulcabond, methyl cyclohexylidene vulcabond, tetramethylene diisocyanate, pentamethylene diisocyanate, hexamethylene diisocyanate, trimethylene diisocyanate, ethyl ethylidene diisocyanate and trimethyl cyclohexane vulcabond.
The urethane resin dispersion liquid of hydroxyl can react simultaneously by polyisocyanates and excessive polyvalent alcohol and prepare.Reaction also can divide several steps to carry out.If desired, can in the presence of catalyzer such as organo-tin compound and/or tertiary amine, be prepared.According to Zerewitinoff, reaction is carried out in the organic solvent that does not contain active hydrogen usually.Dispersion in water is usually by with carrying out in the amine He behind the carboxyl.If desired, the content vacuum available of organic solvent is distilled and is reduced.The solid content of polyurethane aqueous dispersion is preferably 10～60% (weight).More preferably 20～50% (weight).Particularly preferred solid content is 20～40% (weight), and solvent is 2～10% (weight).
Filler component of the present invention contains 0～30% (weight) one or more aminoresin and/or a kind of end capped polyisocyanates or multiple end capped polyisocyanates as component a2), as fruit component a1) contain suitable functional group such as hydroxyl, component a2) can be used as linking agent.The urethane resin (component a1) that only contains physical dryness at filler component) under the situation, except playing the a6 of oil paint additive effect), aminoresin and end capped polyisocyanates do not used.As fruit component a1) contain the polyisocyanates that the crosslinkable hydroxyl of enough numbers is arranged, filler component contains aminoresin or end capped polyisocyanates as linking agent so.
Representational aminoresin is melamine, benzoguanamine and urea-formaldehyde resins.They preferably with low-carbon alcohol normally the form of methyl alcohol and/or butanol etherification use.The example of the aminoresin that is fit to obtains with trade(brand)name Cymel, Luwipal, Maprenal and Beetle on market.Melamine resin is preferably used as component a2 especially).
An example of the aminoresin that is fit to is a hexamethoxy methyl cyanuramide.
Certainly, not only can use the condensation product with formaldehyde, and can use the condensation product with other aldehyde.
Representational end capped polyisocyanates is polyisocyanates such as hexamethylene diisocyanate or toluene diisocyanate and the end-capping reagent that is fit to such as the adduct of diethyl malonate, methyl aceto acetate, azanol, hexanolactam, aryl mercaptan and alkyl sulfhydryl, monomethyl aniline, acetoxime, pentanoic, phenol and alpha-pyrrolidone.They can be bought on market, for example buy with trade(brand)name Desmodur.
In order to prepare end capped polyisocyanates, also can use the NCO prepolymer certainly; These end capped isocyanic ester for example are based on the end capped polyisocyanates of phenol of tolylene diisocyanate and trivalent alcohol component.
If the drying temperature that uses so preferably uses component a2 greater than 90 ℃) cross-linked resin.This is to use the situation of the coating of metal substrate, and in the coating of plastic bottom material, lower drying temperature is wished.Under one situation of back, as component a1) waterborne polyurethane resin have only seldom part to react with linking agent.Therefore, component a2 is seldom measured in use) or do not use component a2).
Filler component of the present invention contain 0～50% (weight), preferred 0～10% (weight) one or more with a1) tackiness agent of water-dilutable of different physical dryness is as component a3).Term physical dryness ability refers to remove from paint films in drying process after organic solvent and the water, and tackiness agent is at about paint films toughness that no longer makes below 50 ℃.This class tackiness agent is that those skilled in the art are familiar with; They normally can be used as, and the basic material of coating is purchased.The example of the physical dryness tackiness agent that is fit to is the vibrin, Synolac, polyacrylic resin, derivatived cellulose, melamine resin of moisture form etc.Component a3) physical dryness tackiness agent influences various technical features, as painted difficulty or ease and drying property.With component a1) the tackiness agent a3 of the water-dilutable of different physical dryness) preferable amount is 0～10% (weight).
Filler component of the present invention contains 5～40% (weight), preferred 40～30% (weight) one or more fillers and/or extender (component a4)).The filler that is fit to and/or the example of extender are silicate filler, as kaolin (Chinese carclazyte), talcum, siliceous chalk; Various micas are as the mica iron ore; Silicon carbide and particle quartz; Carbonate filler is as chalk and rhombspar and vitriol filler, as barium sulfate and calcium sulfate.Component a4) be a kind of main ingredient in the filler component, it makes machinery-state of the art obviously improve (as anti-hitting property of stone) on the one hand, and the defective of ground is covered by significant optics.
If desired, in filler component of the present invention, can use 30% (weight) colored pigment and/or color travel pigment at the most.The example of the inorganic colored pigment that is fit to is a white pigment, as titanium dioxide, white lead, zinc white; Black pigment is as carbon black; Colored pigment, as ferric oxide and chromic oxide pigment, and the mixed dyes of Fe of oxidation.The color travel pigment that can be used for filler component of the present invention is metallic pigment or based on the color travel pigment of sheet mica, for example is generally used for the color travel pigment that automobile is covered with paint, lacquer, colour wash, etc. department.Also can use conducting pigment, especially for the coating of plastic bottom material.Comprise that the colored pigment of carbon black and the use of color travel pigment choose wantonly, only under the exigent occasion of tone accuracy, use.In most of the cases,, recommend light grey pulpous state additive, and, recommend the Dark grey additive for shade for pastel shade.In filler component of the present invention, pigment/binder is than for about 1: 0.6～2.0, preferred 1: 1.3～1.8, the decision pigment/binder than aspect, term " pigment " comprises all inorganic components, as extender and inorganic rheology auxiliary.
Filler component of the present invention contains one or more rheology auxiliarys of 0～5% (weight), its example is wax, relevant thickening material, phyllosilicate, organic modified mineral etc., if desired, also have that those skilled in the art are familiar with commonly used and can the commercial oil paint additive of buying.In order to satisfy the technical requirements very high to the wet film flexible, the application of rheology auxiliary be choose wantonly with implement.Therefore the pigment/binder of selected tackiness agent/pigment combinations and selection has guaranteed the thickness of coating than having guaranteed good toughness.Except the rheology auxiliary, other auxiliarys that are fit to are paint auxiliarys of using always, as even paint, defoamer etc.
The component a7 of filler component of the present invention) contains 3～10% (weight) organic solvent.Their are for paint solvent commonly used, as low-molecular-weight ester class, aromatic substance, diol ester, glycol ethers etc., for used polyurethane aqueous dispersion (component a1)) compatible, select organic solvent especially.So aliphatic series and aromatic diluent only can use at limited extent.Particularly suitable representative examples of organic is butyleneglycol, butyldiglycol and ether and propylene glycol ester.
Filler component of the present invention prepares with following step: required pigment and extender are pre-dispersed in a part of tackiness agent, then this mixture are ground to enough particle finenesses.Used additional mixture contains the tackiness agent of surplus, and also has rheology auxiliary and solvent.
The present invention also is provided for the aqueous priming paint of metal substrate and plastic bottom material coating, and this priming paint contains 10～70% (weight) filler component of the present invention.According to the present invention, filler component is added in the general commercial aqueous priming paint that is applicable to metal substrate or plastic bottom material coating (referring to DE4107136).
So, the present invention also provides such priming paint that is used for metal substrate and plastic bottom material coating, this priming paint contains above-mentioned filler component of 10～70% (weight) and 90～30% (weight) paint base composition commonly used, paint base composition commonly used contains one or more tackiness agents, is with or without the rheology auxiliary, colored pigment and/or color travel pigment and organic solvent, and the priming paint gross weight that contains filler component is 100% (weight).Priming paint preferably is made up of 30～60% (weight) filler components and 70～40% (weight) paint base composition commonly used.
The aqueous primer composition commonly used that obtains priming paint of the present invention with filler component of the present invention combination is the composition that contains commercial basic material commonly used, as polyester, polyacrylic ester, polyurethane dispersing liquid, rheology auxiliary, linking agent and colored pigment and/or the color travel pigment of water-dilutable, for example metallic pigment and sheet mica.Colored pigment commonly used is the component a5 of front at filler component) pigment mentioned in illustrating.Such priming paint is known for those skilled in the art, so do not need to further specify.For paint base composition, particularly preferred tackiness agent is polyurethane dispersing liquid, the polyester aqueous solution or melamine resin, and silicate-base rheology auxiliary is added in the tackiness agent.
The priming paint of the present invention that forms with the filler component that adds can be coated on the metal substrate that is not coated with putty and filler in advance, perhaps be not coated to and beat on the plastic bottom material of putty earlier, generation has the coating of good adhesive property, and particularly groove and streamline have fabulous covering to surface imperfection.Protection against corrosion is being had under the situation of high request, the situation of the japanning metal substrate of covering with paint, lacquer, colour wash, etc. as automobile comes to this, and priming paint for example directly is coated on the metal substrate of having used the electrophoretic c. drop priming.
So, the method that the present invention also provides a kind of metal substrate and plastic bottom material directly to apply, this method comprises that the aqueous priming paint that will contain the water-based filler component directly is coated on the ground.Therefore, according to the present invention, aqueous priming paint of the present invention directly is coated on the ground.In the coating of plastic bottom material, it is possible making ground carry out pre-treatment (flame treating, Cement Composite Treated by Plasma, corona treatment), but is not indispensable.After of short duration middle evaporation, apply priming paint commonly used, but it does not contain filler component.The of short duration middle evaporation of term refers to for example evaporate 30 seconds to 5 minutes, preferred 1～2 minute down at 20～50 ℃.
The example of the priming paint that does not contain filler component that is fit to is above-mentioned paint base composition commonly used, and they contain one or more tackiness agents, rheology auxiliary, colored pigment and/or color travel pigment and organic solvent.After evaporating 5～15 minutes, preferred 8～12 minutes once more under 20～90 ℃, preferred 30～80 ℃, with postcooling, with metal substrate or the plastic bottom material of Clear paint coating through applying commonly used.Coating through applying is heating and curing then.
Used Clear paint is the weathering resistance Clear paint of using always that is purchased.The example that is fit to is based on the two-pack Clear paint of the cured with isocyanates of vibrin or acrylic resin, and based on the automatically cross-linked single component Clear paint of vibrin or polyacrylate resin, they are applicable to the high temperature drying of metal.Such paint systems is common, is known for those skilled in the art.Its example is described in following document: " product of paint industry ", the 2nd volume, Desmodur/Desmophen from Bayer, and Houben Weyl, " organic chemistry method " the 412nd volume, macromolecular substance, the 57th page, urethane, E.Muller edits.
Coating contains the priming paint of filler component, so that to obtain thickness be 10～20 microns dry film.The conventional priming paint that does not contain filler component that applies in evaporation back in the middle of of short duration obtains thickness and is 70～10 microns dry film.
Above-mentioned method is specially adapted to the coating of plastics add-on component in the automotive industry.Related plastic bottom material is the polarity plastics, as polycarbonate, polymeric amide, polystyrene, styrol copolymer, polyester, polyphenylene oxide and blend reaction resin thereof, as PUR-RIM, SMC, BMC etc.They also can be the polyolefin substrate of polyethylene and polypropylene type, if they have quite high rubber content, PP-EPDM (being produced by DSM N. V.) as known commodity KeltanTP0050 by name also can be surperficial with activatory polyolefine such as flame treating.
When the metallizing ground, must notice that they are external application or interior usefulness.For external application,, usually need to use to apply or the etch-proof metal of some other method through galvanic deposit as being used at metal substrate producing under the situation of body of a motor car.According to the present invention, when applying with filler component, in this case, and can be without filler, it has very big benefit.Under the occasion of using in metal substrate is planned, for example be used for home appliances, the priming paint that contains filler component directly is coated on the naked metal.
In addition, the invention provides a kind of method of the metal substrate coating of usefulness electrophoretic c. drop priming that is used for, this method comprises that the priming paint that will contain filler component is coated on the metal substrate of electrodip process drop priming, in the middle of of short duration, evaporate the priming paint that the back coating does not contain filler component, on these priming paint, applying Clear paint after the of short duration evaporation, coating then is heating and curing, with regard to the priming paint that does not contain filler component that is fit to, suitable Clear paint and build commonly used, with reference to above-mentioned explanation.Method of the present invention is used for the special benefit that metal substrate applies and the metal substrate of galvanic deposit drop priming applies, and it might apply filler, and filler needed to apply before priming paint applies usually in the past.The possibility that need not filler coatings constitutes huge saving potentiality, so with regard to economic cause and ecological consideration special benefit is arranged.
Particularly, the advantage of the inventive method is, bottoming earlier that can need usually or precoating under the plastic bottom material situation; Also can feel secure if necessary, but under any circumstance, the coating filling perforation coating of this common needs can be omitted.Filler component of the present invention is added in the paint base system commonly used can obtains significant binding property, simultaneously common ground defective such as groove, streamline and aperture are had fabulous covering.Apply the accurate tone of the coating that can obtain good weather-proof stability and obtain subsequently with the priming paint that does not contain filler component.The use of filler component for example with regard to anti-hitting property of stone, is to make whole system reach the reason of hi-tech level.The colored pigment of required tone and/or the existence of color travel pigment in modified primer make becomes possibility with very thin last priming paint japanning.The coating of all paint coatings carries out with pneumatic spraying usually.If when coating plastic and during general metallizing ground, in filler component, use the pigment of conduction, the electrostatic coating of coating is possible so subsequently.
The present invention also provides application and filler component the application in the priming paint of the metal substrate coating usefulness of usefulness electrophoretic c. drop priming of filler component in the priming paint of the no putty coating usefulness of metal substrate and plastic bottom material.
Illustrate in greater detail the present invention with reference to following examples, unless wherein add explanation in addition, its umber all by weight.
The preparation of the present invention's light color filler component (pigment paste A1):
65% polyurethane dispersing liquid (the commerical prod DaotanVTW 1225 that Hoechst company produces) and 25% titanium dioxide (the commercial Titan of producing Rutil R900) were handled 15 minutes in dissolver, then in ball milling, ground 45 minutes down for 50 ℃ in top temperature, make particle fineness less than 15 microns.With 5% butyleneglycol and 5% water dilution abrasive.
The preparation of the conductive filler material component of dead color of the present invention (filler component A2):
The preparation of the similar light pigment paste A1 of step, different is carbon black (the commerical prod Ketjen Black that AKZO company produces) replacement 25% titanium dioxide that adds 10% titanium dioxide and 8% conduction with polishing.
The preparation of the filler component of light color of the present invention (pigment paste A3):
The preparation of the pigment paste A1 of the similar light color of step, different is to replace 65% polyurethane dispersing liquid Doatan VTW1225 with 55% polyurethane dispersing liquid Daotan VTW1225 and 10% melamine resin solution (commerical prod Cymel327).
The preparation of the priming paint B1 of modification of the present invention:
70% water-based metal priming paint (by the FW95 series of BASF Lacke+Farben AG production) is mixed with 30% filler component A1, constantly stir simultaneously, being adjusted to spray viscosity with deionized water then is 20DIN4 second.
The preparation of the priming paint B2 of modification of the present invention:
Step is with the preparation of the priming paint B1 of modification, and different is to replace filler component A1 with filler component A2.
The preparation of the priming paint B3 of modification of the present invention:
Step is with the preparation of the priming paint B1 of modification, and different is to replace filler component A1 with filler component A3.
Embodiment 1
The pneumatic coating of plastic components
With panel or the add-on component that washed with isopropyl alcohol is made by the polycarbonate blending material, dry then.Above-mentioned priming paint B1 flow cup spray gun (spray pressure: 4～5 crust, 1.3 millimeters nozzles) is by once intersecting cladding process (one cross-pass) coating.In this coating, build is 12～17 microns., after about 2 to 3 minutes unmodified priming paint is applied by another time intersection cladding process in evaporation under the spray booth temperature, the build of unmodified priming paint is about 7 to 10 microns.At room temperature evaporated 5 minutes, and forced flash distillation 10 minutes down at 60～80 ℃ subsequently.Behind the cool to room temperature, apply commercial polyacrylate based two component polyurethane Clear paint (by the commerical prod GP71-0109 of BASF Lacke+Farben AG production), evaporate subsequently, carry out secondary intersection cladding process with identical spray parameters, obtaining dried film thickness is 25～35 microns.Plastic components revaporization through applying 10～15 minutes, in 90 ℃ of convection furnaces dry 30 minutes then.
Embodiment 2
The electrostatic coating of plastic components
As the priming paint with the filler component modification, similar embodiment 1 is carried out the coating of two kinds of priming paint with priming paint B2.After parts ground connection, apply the Clear paint that is used for embodiment 1 with the auxiliary pneumatic spray gun of static or with revolving cup at a high speed.
Embodiment 3
The pneumatic coating of metal parts
Panel and shaped object with washed with isopropyl alcohol phosphatization steel (by the Bonder26 of Chemetall company production), dry, as as described in embodiment 1, containing the priming paint of filler component, promptly do not contain the priming paint coating of filler component again with corresponding unmodified priming paint then with priming paint B3 conduct.Make the evaporation of two priming paint, as in embodiment 1, describing, by 2 intersection cladding processes, with identical spray parameters, to apply based on the commercial self-crosslinking Clear paint (producing FF92-0102 by the commerce that BASF Lacke+Farben AG produces) of acrylic resin, obtaining build is 25～35 microns.With the metal parts revaporization made 5 minutes through applying, in 130 ℃ of convection furnaces dry 20 minutes then.
Engineering test:
Will be through at room temperature aging 7 days of coated component, then 60 ℃ of following forced agings 24 hours.
In embodiment 1,2 and 3, obtain following test-results:
Draw the lattice adhesive tape and tear method (DIN 53 151) off: 0
VW steam spray vapour test: satisfied (not delamination)
VW resists stone: 0 (not delamination)
Bubbled behind the constant weather condition at 240 hours:
Mogo/gt is similarly 0
Claims (10)
1. filler component, it contains a1) aqueous dispersions of the urethane resin of a kind of water-dilutable of 10～70% (weight) or the urethane resin of multiple water-dilutable, the solid content of urethane is 10～60% (weight) in aqueous dispersions, preferred 20～50% (weight), a2) 0～30% (weight) one or more aminoresin and/or end capped polyisocyanates, a3) 0～50% (weight) one or more with a1) different physical dryness tackiness agents, a4) 5～40% (weight) one or more fillers and/or extender, a5) 0～30% (weight) colored pigment and/or color travel pigment, a6) one or more rheology auxiliarys of 0～5% (weight) and/or paint auxiliary, and a7) 0～10% (weight) organic solvent.
2. according to the filler component of claim 1, it contains 40～55% (weight) a1), 0～10% (weight) a3), 10～30% (weight) a4), 5～20% (weight) a5), 0.5-2% (weight) a6), 3～10% (weight) a7).
3. aqueous priming paint that is used for metallizing ground and plastic bottom material, the filler component and 90～30% (weight) that it contains 10～70% (weight) claim 1 contain tackiness agent, colored pigment and/or color travel pigment, the organic solvent of one or more water-dilutables and are with or without the aqueous primer composition commonly used of rheology auxiliary.
4. according to the priming paint of claim 3, it contains 30～60% (weight) extender pastes and 70～40% (weight) paint base composition.
5. the method for a direct coating plastic ground, this method comprises that the priming paint that contains filler component with claim 3 or 4 directly is coated on the ground, evaporate the priming paint that the back coating does not contain extender paste in the middle of of short duration, the evaporation back applies Clear paint on these priming paint, makes coating curing with heating then.
6. the method for a direct metallizing ground, this method comprises that the priming paint that contains filler component with claim 3 or 4 directly is coated on the metal substrate, in the middle of of short duration, evaporate the priming paint that the back coating does not contain filler component, the evaporation back applies Clear paint on these priming paint, make coating curing with heating then.
7. a coating applies the method for the metal substrate of bottoming with galvanic deposit, this method comprises the metal substrate that applies the galvanic deposit bottoming with the priming paint that contains filler component of claim 3 or 4, the evaporation back applies the priming paint that does not contain filler component in the middle of of short duration, the evaporation back applies Clear paint on these priming paint, make coating curing with heating then.
8. the application of the filler component of claim 1 in the direct coating use of plastic bottom material priming paint.
9. the application of the filler component of claim 1 in the direct coating use of metal substrate priming paint.
10. the application of the filler component of claim 1 in the coating metal substrates use priming paint of electrodeposited coating bottoming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95195786 CN1161707A (en) | 1994-10-22 | 1995-10-19 | Filler component for use in aqueous base paints |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4437841.6 | 1994-10-22 | ||
| CN 95195786 CN1161707A (en) | 1994-10-22 | 1995-10-19 | Filler component for use in aqueous base paints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1161707A true CN1161707A (en) | 1997-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95195786 Pending CN1161707A (en) | 1994-10-22 | 1995-10-19 | Filler component for use in aqueous base paints |
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| Country | Link |
|---|---|
| CN (1) | CN1161707A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342984C (en) * | 2003-05-30 | 2007-10-17 | 本田技研工业株式会社 | Coating film formation process and coated article |
| CN103314062A (en) * | 2011-02-09 | 2013-09-18 | 巴斯夫涂料有限公司 | Method for producing a multi-coat colour and/or effect paint system |
| CN107141920A (en) * | 2017-06-13 | 2017-09-08 | 安徽康瑞高科新材料技术工程有限公司 | A kind of changeable colors along with angle coating |
| CN112646471A (en) * | 2020-12-18 | 2021-04-13 | 东周化学工业（昆山）有限公司 | BMC substrate water-based PU coating and preparation method thereof |
-
1995
- 1995-10-19 CN CN 95195786 patent/CN1161707A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342984C (en) * | 2003-05-30 | 2007-10-17 | 本田技研工业株式会社 | Coating film formation process and coated article |
| CN103314062A (en) * | 2011-02-09 | 2013-09-18 | 巴斯夫涂料有限公司 | Method for producing a multi-coat colour and/or effect paint system |
| CN103314062B (en) * | 2011-02-09 | 2016-08-17 | 巴斯夫涂料有限公司 | Preparation gives color and/or gives the method that the multilamellar of effect is painted |
| CN107141920A (en) * | 2017-06-13 | 2017-09-08 | 安徽康瑞高科新材料技术工程有限公司 | A kind of changeable colors along with angle coating |
| CN112646471A (en) * | 2020-12-18 | 2021-04-13 | 东周化学工业（昆山）有限公司 | BMC substrate water-based PU coating and preparation method thereof |
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