CN100556969C - A kind of have changeable colors along with angle effect metal finish paint and preparation method thereof - Google Patents
A kind of have changeable colors along with angle effect metal finish paint and preparation method thereof Download PDFInfo
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- CN100556969C CN100556969C CNB2004100990811A CN200410099081A CN100556969C CN 100556969 C CN100556969 C CN 100556969C CN B2004100990811 A CNB2004100990811 A CN B2004100990811A CN 200410099081 A CN200410099081 A CN 200410099081A CN 100556969 C CN100556969 C CN 100556969C
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- angle effect
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Abstract
The present invention relates to a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has.The present invention adopts good stability, the transparent changeable colors along with angle effect nanoparticle that has to disperse slurry, cooperate with vibrin, aminoresin, the different hydrogen acid ether modified resin of dead front type, metallic aluminium powder, other color stuffing, solvent, auxiliary agent, adopt certain preparation technology's preparation to have changeable colors along with angle effect metal finish paint.Adopt method provided by the invention, nanoparticle is dispersed in the coating, and the metal finish paint gloss height of preparation, haze value are low, has tangible changeable colors along with angle effect and good ornamental, scoring resistance, anti-hitting property of stone, wear resistance and ageing-resistant performance.Be applied to car finish paint, the outer fancy paint of metal etc.
Description
Technical field
The invention belongs to chemical field, relate to a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has.
Background of invention
Superior, the high performance of automobile requires to force the development of car paint to improve constantly its protection and the performance of decorating.It is ornamental mainly to concentrate on the raising car surface, improves scoring resistance and antiseptic power and protects the environment aspect to carry out the surface protection ornament layer of effort, particularly body of a motor car better, more direct outward appearance and the appreciative value that has influence on car load.
Research and development and industrialization aspect that nano material is used for the modification car paint start to walk early with the U.S. and Germany, domesticly starting late aspect the research and development of nano modification car paint, the CN1189522A of Chu Yanming application is the patent of nano metal automobile finish, it is to be sill by acrylic resin, aminoresin, vibrin, celluosic resin, add various pigment, metal nano powder, filler, auxiliary agent, solvent and form through the mechanical workout manufacturing, coating have extremely strong sticking power, can acidproof, alkaline-resisting, chemical-resistant; The CN1253978A that the military favorable to the people people of grade applies for is a high scoring resistance car paint, and it is to realize what high scratch resistance was hindered by the base-material vibrin that improves lacquer.At present domestic also not with inorganic nano particle modified flash metal luster automobile finish technology and relevant patent report.
Nano-TiO
2(10-50nm) transmission capacity to visible light is very strong, and for example to the visible light of 550nm, transparency can reach more than 90%, has fabulous ultravioletlight screening.As nano level TiO
2When being mixed for coating, can obtain producing the coating of effect with aluminium powder pigment or nacreous mica pigment.This mainly is because nano-TiO
2Itself both had the transparency, and had again visible light opacifying power to a certain degree, when aluminium powder pigment etc. mixes, specular reflection takes place on astigmatic aluminium powder surface in an incident light part, and another part sees through nano-TiO
2After chromatic dispersion takes place, at nano-TiO
2With the aluminium powder boundary reflection, form astigmatic coating, thereby have unique effect, add the pearly pigment of different colours, can form different look and the flop color faced.With nano-TiO
2Be used for the flash metal luster automobile finish and can prepare metal finish paint, be used for car finish paint, the outer fancy paint of metal etc. with changeable colors along with angle effect.
Summary of the invention
The object of the present invention is to provide a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has.
The present invention proposes a kind ofly has changeable colors along with angle effect metal finish paint and preparation method thereof, be that the nanoparticle that adopts special dispersion means preparation to have the changeable colors along with angle effect disperses slurry, cooperate with vibrin, aminoresin, modified resin, aluminium powder, directing agent, solvent, color stuffing, auxiliary agent, preparation has changeable colors along with angle effect metal finish paint, and each amounts of components is as follows:
Form weight percent wt%
Nano-TiO
2Particle disperses slurry 0.5-10
Vibrin 20-40
Aminoresin 3-20
Modified resin 0-10
Aluminium powder 1-10
Directing agent 1-10
Solvent 30-60
Color stuffing 0-10
Auxiliary agent 0.1-3
Specifically, having changeable colors along with angle effect metal finish paint disperses slurry, vibrin, aminoresin, modified resin, aluminium powder, directing agent, solvent, color stuffing, auxiliary agent to form by nanoparticle, wherein, (1) contain by nano-titanium dioxide powder and other inorganic nano-particle process grinding dispersive inorganic nano-particle slurry, consumption is the 0.5-10wt% of coating consumption; (2) contain a kind of vibrin at least, consumption is the 20-40wt% of coating consumption; (3) contain a kind of resin of aminoresin at least, consumption is the 3-20wt% of coating consumption; (4) contain the isocyanate-modified resin of closure, consumption is the 0-10wt% of coating consumption; (5) contain a kind of sheet un-suspension powdered aluminium at least, consumption is the 1-10wt% of coating consumption; (6) contain a kind of aluminium powder directing agent at least, consumption is the 1-10wt% of coating consumption; (7) contain ester class, pure ethers or high boiling solvent, consumption is the 1-10wt% of coating consumption; (8) contain the conventional color stuffing of coating such as pearly pigment, consumption is the 0-10wt% of coating consumption;
(9) contain auxiliary agents such as car paint dispersion agent, wetting agent, flow agent, anti-blasting agent, anti-settling agent, consumption is 0.1-3wt%.
The present invention proposes a kind of have changeable colors along with angle effect metal finish paint and preparation method thereof, nano-TiO
2Particle disperses the preparation method of slurry to see that China applies for a patent 200410053451.8, mainly by dispersion resin, rutile type nano TiO
2Powder, other 0-2 kind inorganic nano-particle, dispersion agent and solvent composition, after adding, each component finishes through operations such as wetting, dispersion, stirring, ultrasonic, grindings, stable, the transparent nanoparticle of preparation disperses slurry, it is 10-300nm that all inorganic nano-particles disperse the slurry particle diameter, wherein 10-150nm particle diameter better effects if.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and is that the employing particle diameter is the nanoparticle dispersion slurry of 10-300nm, and it is rutile type nano TiO that inorganic nano-particle disperses the used nanoparticle of slurry
2The mixture of powder and other 0-2 kind inorganic nano-particle, inorganic nano-particle such as rutile type nano TiO
2, nanometer Al
2O
3, nanometer SiO
2, nanometer BaSO
4Deng.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and nanoparticle disperses the used rutile type nano TiO of slurry
2Diameter of particle 10-150nm, handle through coating on the surface, comprises Al
2O
3, SiO
2Etc. organic process such as inorganic coating, polyalcohols and lauric acid.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and is that employing car paint saturated polyester resin is a vibrin, and the hydroxy radical content 2-7wt% of resin, acid number select for use one or more mixing wherein to use less than 5mgKOH/g.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and can adopt car paint is aminoresin with the melamine resin of butyl etherization, and the acid number of resin selects for use one or more mixing wherein to use less than 1mgKOH/g.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, be to adopt a kind of improvement wear resistance, the car paint that anti-stone hits performance is a modified resin with the closure isocyanic ester, the NCO content of resin is 2-10wt%, BI7982 as Baxenden company, the Vestanat BI358A of Dedussa company, the DesmpdeurBL3175SN of Bayer company selects wherein any for use.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, be to adopt the sheet un-suspension powdered aluminium, like card Metallux2154, Metallux2156, Metallux8754 as Germany, the SSP504-AR of U.S. Siberline, the 7620NS of Toyo Co., Ltd., 7640, NS5680NS etc., (be the silver dollar type, wherein any selected in average sheet footpaths 15～25um) etc. for use.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and the aluminium powder directing agent of employing is a directing agent, and aluminium powder directing agent CAB381-0.5, CAB551-0.2 etc. as EASTMAN select 1-3 kind wherein for use.
Above-mentioned aluminium powder directing agent with the cellulose acetate butyrate compound for well.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, the solvent that adopts is ester class, pure ethers or high boiling solvent, as butylacetate, ethyl acetate, ethylene glycol monomethyl ether, butyl glycol ether, propylene glycol monomethyl ether, propylene glycol butyl ether, 1-Methoxy-2-propyl acetate, isophorone, RPDE etc. select for use two or more mixing wherein to use.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and can adopt pearly pigment or other car paint color stuffing.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and the auxiliary agent of employing is car paint dispersion agent, wetting agent, flow agent, anti-blasting agent, anti-settling agent etc.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and is in Scattered Kettle, presses proportion speed weighing vibrin, aminoresin, modified resin, adds partial solvent and stirs; With behind the auxiliary agents such as the dispersion agent of partial solvent dissolving calculated amount, wetting agent, flow agent, anti-blasting agent, add in the resin liquid again; Add inorganic nano-particle subsequently and disperse slurry,, pour in the resin liquid with residual solvent clean container wall, stirring at low speed 10～20min under 1000～2000rpm, available gear agitator was 3000～5000rpm high-speed stirring 1～3 hour.Add prepared aluminium powder slurry, pigment slurry then, can stir with disk stirrer at 100～500rpm, the adding anti-settling agent fully stirs 1～2h, promptly prepares to have changeable colors along with angle effect metal finish paint.
Among the present invention, the changeable colors along with angle effect metal finish paint that has of preparation adopts brushing, dip-coating, showering or spraying method to be coated on material surface.
The metal finish paint that utilizes the present invention to prepare is applied to car finish paint, the outer fancy paint of metal.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, the self-control nanoparticle disperses slurry to have the excellent transparency, ultraviolet shielded property and package stability, room temperature is placed 1 year not stratified, particle diameter no change, being applied to does not influence the original color and luster or the transparency in the coating, can improve the weathering resistance of coating.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and uses Ford-4 during the coating application for preparing earlier
#Cup test viscosity controls to about 20s.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and has changeable colors along with angle effect metal finish paint and adopts general coating process to carry out application, as brushing, dip-coating, showering, and spraying method, preferably adopts spraying method.After adjusting the paint vehicle viscosity, controlled temperature and humidity spray, as shown in Figure 1.
The coating that spraying is good dried at room temperature 5-10 minute, spraying varnish then, adopt the wet wet technology spraying varnish that bumps at last, dried 5-10 minute, at room temperature baking oven is put in test piece, be raised to about about 10min about 120-150 ℃ of baking 20min, naturally cool to room temperature, promptly obtain being coated with install have a changeable colors along with angle effect metal finish paint.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, and the salient features that obtains coating is as follows:
That adopts method preparation that the present invention proposes has a changeable colors along with angle effect metal finish paint, adopt the nanoparticle that grinds voluntarily to disperse slurry, good stability, the 5000rpm high speed centrifugation separates can't make it layering in 5 hours, room temperature storage 1 year not stratified, no any return thick, sedimentation phenomenon, particle diameter is without any variation, and this has greatly guaranteed the dispersing property of nano material in coating; The nanoparticle that makes of the present invention disperses slurry good in the visible region transparency in addition, and the ultraviolet region receptivity is superior, is applied to not influence in the coating the original color and luster or the transparency, and strengthens anti-uv-ray, improves the weathering resistance of coating.
Gloss and mist shadow with changeable colors along with angle effect metal finish paint: adopt the German BYK-Gardner S-4601 of company type mist shadow glossometer to measure haze value and measure by international standard ISO-DIS13803, the metal finish paint gloss (Gloss)＞95 (20 ° of measurements) of the present invention's preparation, mist shadow (Haze)＜200 (Hlog) can reach about 100.
Anti-stone with changeable colors along with angle effect metal finish paint hits performance to be undertaken by ASTM D3170-87 (1996), and anti-stone hits performance and adopts German instrument power letter #508 type VDA stone Apparatus for Impacting at low-temp to detect.The anti-stone of metal finish paint of the present invention's preparation hits performance and reaches 2 grades.
Other Performance Detection projects with changeable colors along with angle effect metal finish paint are carried out pencil hardness by GB/T13492-92: GB6739; Cross cut test: GB9286; Pliability test: GB6742; Gloss (60 °): GB9754; Drawing test mm:GB9753; Artificial accelerated aging (1500h): GB1865 all passes through.
The present invention proposes a kind of changeable colors along with angle effect metal finish paint and preparation method thereof that has, the metal finish paint of preparation has tangible changeable colors along with angle effect and good ornamental, scoring resistance, anti-hitting property of stone, wear resistance and ageing-resistant performance, gloss height, haze value are low, are applied to car finish paint, the outer fancy paint of metal etc.
Description of drawings
Fig. 1 is that metal finish paint of the present invention sprays schema.
Embodiment
Embodiment 1:
Has changeable colors along with angle effect metal covering paint formula 1
Composition weight part wt (%)
Nanoparticle disperses slurry 4.8
Setal173 (vibrin) 21
Setamine138 (aminoresin) 5.5
BI7982 (modified resin) 3.7
The Metallux2154 aluminium powder) 3.5
CAB381-0.5 (aluminium powder directing agent) 4.7
Solvent 56
Auxiliary agent 0.8
Above-mentioned prescription is prepared by the preparation method that invention proposes, can obtain having changeable colors along with angle effect metal finish paint, coating color travel (range estimation): good, anti-stone hits performance :≤2 grades, gloss (20 ° of Gloss) 97, mist shadow (Haze Hlog) 95 manually quickens ageing-resistant time 〉=1500 hour, and other coating property passes through GB/T13492-92.
Embodiment 2:
Has changeable colors along with angle effect metal covering paint formula 2
Composition weight part wt (%)
Nanoparticle disperses slurry 7.4
Desmophen 650 (vibrin) 37
Setamine133 (aminoresin) 21.3
Metallux2154 (aluminium powder) 1.3
CAB381-0.5 (aluminium powder directing agent) 3.3
Solvent 30.6
Auxiliary agent 1.1
Above-mentioned prescription is prepared by the preparation method that invention proposes, can obtain having changeable colors along with angle effect metal finish paint, coating color travel (range estimation): good, anti-stone hits performance :≤2 grades, gloss (20 ° of Gloss) 95, mist shadow (Haze Hlog) 127 manually quickens ageing-resistant time 〉=1500 hour, coating abrasion performance is good, and other coating property passes through GB/T13492-92.
Embodiment 3:
Has changeable colors along with angle effect metal covering paint formula 3
Composition weight part wt (%)
Nanoparticle disperses slurry 0.9
Desmophen 650 (vibrin) 14
Setal173 (vibrin) 12
Setamine133 (aminoresin) 7.1
C1158 (aminoresin) 2.6
Vestanat BI358A (modified resin) 6.9
SSP504-AR (aluminium powder) 7.7
CAB381-0.5 (aluminium powder directing agent) 2.5
CAB551-0.2 (aluminium powder directing agent) 4
Pearly pigment 3
Solvent 36.9
Auxiliary agent 2.4
Above-mentioned prescription is prepared by the preparation method that invention proposes, can obtain having changeable colors along with angle effect metal finish paint, coating color travel (range estimation): good, anti-stone hits performance :≤2 grades, gloss (20 ° of Gloss) 96, mist shadow (Haze Hlog) 189 manually quickens ageing-resistant time 〉=1500 hour, and other coating property passes through GB/T13492-92.
Claims (13)
1, a kind of have a changeable colors along with angle effect metal finish paint, it is characterized in that the each component amount is as follows:
Form weight percent wt%
Nano-TiO
2Particle disperses slurry 0.5-10
Vibrin 20-40
Aminoresin 3-20
Masked isocyanate modified resin 0-10
Aluminium powder 1-10
Directing agent 1-10
Solvent 30-60
Color stuffing 0-10
Auxiliary agent 0.1-3,
Nano-TiO wherein
2Particle disperses slurry by dispersion resin, rutile type nano TiO
2Powder, other 0-2 kind inorganic nano-particle, dispersion agent and solvent composition.
2, finish paint according to claim 1 is characterized in that all inorganic nano-particle particle size range are at 10-150nm.
3, a kind of preparation method with changeable colors along with angle effect metal finish paint is characterized in that nano-TiO
2Particle disperses slurry to cooperate each amounts of components such as claim 1 with vibrin, aminoresin, masked isocyanate modified resin, aluminium powder, auxiliary agent anti-settling agent, directing agent, solvent, color stuffing, auxiliary agent; Concrete preparation process is as follows:
In Scattered Kettle, press proportion speed weighing vibrin, aminoresin, masked isocyanate modified resin, add partial solvent and stir; With partial solvent dissolving other auxiliary agent except that anti-settling agent, add in the above-mentioned resin liquid again; Add nano-TiO subsequently
2Particle disperses slurry, stirring at low speed is 10～20 minutes under 1000～2000rpm, high-speed stirring 1～3 hour under 3000～5000rpm again, add aluminium powder, the color stuffing for preparing directing agent then, stir at 100～500rpm, add the auxiliary agent anti-settling agent, fully stirred 1～2 hour, promptly prepare and have changeable colors along with angle effect metal finish paint, wherein nanoparticle disperses slurry by dispersion resin, rutile type nano TiO
2Powder, in addition 0-2 kind inorganic nano-particle, dispersion agent and solvent composition are finished the nano-TiO that preparation is stable, transparent through wetting, dispersion, stirring, ultrasonic, grinding step after each component adds
2Slurry, all inorganic nano-particle particle diameters are 10-300nm.
4, method according to claim 3 is characterized in that vibrin is a saturated polyester resin, and hydroxy radical content 2-7wt% selects for use one or more mixing wherein to use.
5, method according to claim 3 is characterized in that aminoresin is the melamine resin of butyl etherization, selects for use one or more mixing wherein to use.
6, method according to claim 3 is characterized in that modified resin is a kind of its NCO content of isocyanic ester 2-10wt% of closure, selects wherein any for use.
7, method according to claim 3 is characterized in that aluminium powder is the sheet un-suspension powdered aluminium, selects wherein any for use.
8, method according to claim 3 is characterized in that directing agent is the cellulose acetate butyrate compound.
9, method according to claim 3 is characterized in that solvent is ester class or pure ethers, selects for use two or more mixing wherein to use.
10, method according to claim 3 is characterized in that color stuffing is pearly pigment or the conventional color stuffing of other coating.
11, method according to claim 3 is characterized in that described other auxiliary agent except that anti-settling agent is dispersion agent, wetting agent, flow agent, anti-blasting agent.
12, method according to claim 3 is characterized in that the changeable colors along with angle effect metal finish paint that has for preparing adopts brushing, dip-coating, showering or spraying method to be coated on material surface.
13, metal finish paint according to claim 1 is applied to car finish paint, the outer fancy paint of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100990811A CN100556969C (en) | 2004-12-27 | 2004-12-27 | A kind of have changeable colors along with angle effect metal finish paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100990811A CN100556969C (en) | 2004-12-27 | 2004-12-27 | A kind of have changeable colors along with angle effect metal finish paint and preparation method thereof |
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| CN1648186A CN1648186A (en) | 2005-08-03 |
| CN100556969C true CN100556969C (en) | 2009-11-04 |
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|---|---|---|---|
| CNB2004100990811A Expired - Fee Related CN100556969C (en) | 2004-12-27 | 2004-12-27 | A kind of have changeable colors along with angle effect metal finish paint and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI483985B (en) * | 2011-09-29 | 2015-05-11 | Eternal Materials Co Ltd | Resin composition for the orientation of metal powder |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100427526C (en) * | 2006-05-18 | 2008-10-22 | 复旦大学 | Water nano composite polyester resin, its preparing method and use |
| CN101811386A (en) * | 2010-04-02 | 2010-08-25 | 常熟华冶薄板有限公司 | Chameleonic colored coating steel plate and machining method thereof |
| CN102010648B (en) * | 2010-11-29 | 2013-04-17 | 常州市武进晨光金属涂料有限公司 | Floating coat-free shining base coat used for metal pieces and preparation method thereof |
| CN103396725B (en) * | 2013-08-06 | 2015-08-12 | 信和新材料股份有限公司 | Emulation copper coating and production technique thereof |
| CN103770412B (en) * | 2014-01-16 | 2015-09-23 | 王尚弟 | The changeable colors along with angle type vehicle flashing paint that ornamental and weatherability is held concurrently excellent |
| CN105838199A (en) * | 2015-01-12 | 2016-08-10 | 天津科瑞达涂料化工有限公司 | Intermediate-paint-free automobile metallic paint and preparation method thereof |
| CN106018294B (en) * | 2016-06-22 | 2019-07-26 | 攀钢集团攀枝花钢铁研究院有限公司 | A method of detection nano-titanium dioxide down flop property |
| CN109749523A (en) * | 2018-12-20 | 2019-05-14 | 东来涂料技术（上海）股份有限公司 | A kind of apparent Nanometer Titanium Dioxide coating of changeable colors along with angle and preparation method thereof |
| CN110922847B (en) * | 2019-12-04 | 2021-09-10 | 重庆华辉涂料有限公司 | High-saturation red metallic paint, and preparation method and spraying method thereof |
-
2004
- 2004-12-27 CN CNB2004100990811A patent/CN100556969C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI483985B (en) * | 2011-09-29 | 2015-05-11 | Eternal Materials Co Ltd | Resin composition for the orientation of metal powder |
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| CN1648186A (en) | 2005-08-03 |
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