CN104140746A - Composite type functional infrared reflection engineering machine powder coating and production technology thereof - Google Patents
Composite type functional infrared reflection engineering machine powder coating and production technology thereof Download PDFInfo
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Abstract
The invention discloses a composite type functional infrared reflection engineering machine powder coating and a production technology of the composite type functional infrared reflection engineering machine powder coating. The composite type functional infrared reflection engineering machine powder coating comprises, by mass, 2-8 parts of polyester/acrylic resin compounds, 30-50 parts of polyester resin, 10-20 parts of epoxy modified acrylic resin, 15-35 parts of infrared reflection paint, 1-5 parts of cross-linking agents, 8-18 parts of filler and 1-2.5 parts of addition agents. A supercritical carbon dioxide fluid method is adopted in the production technology. The composite type functional infrared reflection engineering machine powder coating has the advantages of preventing corrosion and rust and being superior in weather resistance, the production technology is small in energy consumption and high in efficiency, and the production and machining temperature is decreased.
Description
Technical field
The present invention relates to engineering machinery powder coating technical field, disclose especially a kind of compound functionalization infrared external reflection engineering machinery powder coating and production technique thereof.
Background technology
Along with the status of powder coating in coating industry is more and more important, powder coating has been obtained development fast in recent years at us, simultaneously owing to not containing the organic solvents such as atmospheric polluting material composition VOC, benzene,toluene,xylene in powder coating formula, belong to environmentally friendly product, there is excellent environmental benefit feature.Epoxy resin has good antiseptic property, acrylic resin has good weather resistance, in recent years, the powder coating that relates to epoxy or acrylic resin etc. also develops rapidly, for example issued patent CN1202184C discloses the outdoor low brightness paint powder of a kind of thermoset scratch resistance, its main component comprises epoxy group(ing) acrylic resin, triglycidyl isocyanurate, bisphenol A type epoxy resin, carboxyl polyester resin, carboxyl acrylic resin and filler and auxiliary agent, its gloss can be controlled, and scratch resistance is better, but its antirust, anti-corrosive performance is still not enough.CN103289543A discloses a kind of automobile finish powder coating, and its weight percent consists of the Hydroxylated acrylic resin of 3%-5%, the epoxy resin of 0.8-2.0%, the polyether ester of 12.5-14.5%, the vibrin of 45%-50%, the dibutyl tin dilaurate of 0.3%-0.6%, the st-yrax of 0.4-0.6%, flow agent, the titanium dioxide of 22.5%-25.5% and the hexanolactam of the 8%-12% sealing isophorone diisocyanate of 2%-2.2%.This powder coating has improved wear-resistant type and the intensity of coating in ensureing elasticity and flexibility, but its weathering resistance and erosion resistance are still not enough.In addition, patent CN101289592A, CN101709164A also disclose the powder coating that contains vibrin and epoxy resin, but the weathering resistance of its coating and antirust, anti-corrosive ability Shortcomings too.
Along with scientific and technical development, engineering machinery field has focused on engineering goods in appearance, novel material, novel process and the coating process that some are creative have also obtained promoting and using, but engineering machinery is because be a kind of outdoor type work mechanism, for a long time the contact such as outdoor severe air and severe water quality has brought many disadvantageous effects to it, and therefore one of core of engineering machinery coating quality is to guarantee the antirust, anti-corrosive and the coating weatherability that have had.And at present, also do not have a kind ofly specially for the features type thermosetting powder coating of construction machinery industry, therefore develop a kind of existing epoxy anticorrosion performance and there is again the Composite functional type thermosetting engineering machinery powder coating that vinylformic acid weather resistance has infrared external reflection function simultaneously and become the necessary of market.
Supercutical fluid refers to the fluid under the above temperature and pressure of stagnation point region, at Near The Critical Point, there will be the physical property of all fluids such as the density, viscosity, solubleness, thermal capacity, specific inductivity of fluid that phenomenon jumpy occurs.Supercutical fluid has very unique physicochemical property, and its density is close to liquid, and viscosity is close to gas, and spread coefficient is large, viscosity is little, specific inductivity is large, and diffusibleness is close to gas.In addition, according to the difference of pressure and temperature, this physical property can change, and the thermal capacity value of stagnation point sharply rises, and has almost reached infinity, and then has reduced, if utilize rightly this specific character, can obtain a kind of very outstanding hot media.In patent CN103055728A, designed a kind of supercutical fluid equipment for the preparation of powder coating, its principle is exactly the supercritical state of carbonic acid gas, but too simply and not invention example of the introduction of this equipment.In addition, patent CN101519545A discloses a kind of device and production technique of preparing powder coating through supercritical carbon dioxide anti-solubility deposition, and this device comprises supercritical co antisolvent precipitation still, supercritical co outlet fluid and solid separation system, multi-stage compressor, is dissolved with the separator of supercritical co storage tank, tubular heat exchange, supercritical co and the toluene of toluene.Although this production technique can overcome in traditional powder coating production, epoxy/polyester resin etc. is carried out melting mixing, pushes the steps such as film-making, extruding plate pulverizing, thereby reduce production costs and energy consumption, but its production technique is too loaded down with trivial details again, device device is various, and control each factor well is not to be very easy to.
Therefore demand is a kind of has good antirust, anti-corrosive and the weather-proof powder coating that meets engineering machinery, and wishes to prepare this powder coating by with low cost, the simple production technique of technique.
Summary of the invention
The object of the present invention is to provide a kind of powder coating of compound functionalization infrared external reflection, it has good antirust, anti-corrosive, weathering resistance, acid and alkali-resistance, resistance to boiling water, damp and hot and salt fog etc., can meet engineering machinery outdoor severe air, the requirement of water quality impact to its performance for a long time.
Another object of the present invention is the production technique of the powder coating that a kind of compound functionalization infrared external reflection is provided, and this production technique is with low cost, energy consumption is little and simple to operate, is applicable to suitability for industrialized production.
The application of the powder coating that a further object of the present invention is to provide a kind of compound functionalization infrared external reflection in engineering machinery.
The invention provides a kind of powder coating of compound functionalization infrared external reflection, comprise the component of following weight part: polyester/acrylic resin mixture 2-8 part, vibrin 30-50 part, epoxy modified acrylic resin 10-20 part, infrared reflecting paint 15-35 part, linking agent 1-5 part, filler 8-18 part, auxiliary agent 1-2.5 part.Wherein polyester/acrylic resin mixture is the polymer complex that vibrin and reactive acrylic resin form, and owing to containing this polymer complex, Gloss Retention and the anti-fouling performance of final powder coating are improved.
When preparation polyester/acrylic resin mixture, the mass ratio of vibrin and acrylic resin raw material is 6-8 part: 2-4 part, preferably 7 parts: 3 parts, the two reacts 1-1.5 hour after mixing in pyroreaction still, temperature of reaction is 140-160 DEG C, preferably 150 DEG C.
In raw material, vibrin can be any binary or polyprotonic acid and any binary or the product of polyvalent alcohol after polycondensation, also can be the vibrin product of general goods, such as 9855 vibrin of the Bao Tian of Zhangjagang City type material Science and Technology Ltd. supply etc.
Preferably, in raw material, vibrin is for having high hydroxyl value, have the hydroxy polyester resin of acceptable second-order transition temperature, its material component and mass parts are simultaneously: aromatic dibasic acid 45-35 part, branching agent 40-50 part, dibasic alcohol 0-10 part, esterifying catalyst 0-0.01 part; Described aromatic dibasic acid is selected from terephthalic acid, see one or both in phthalic acid; Described dibasic alcohol is selected from one or both in neopentyl glycol, ethylene glycol; Described branching agent is selected from one or more in TriMethylolPropane(TMP), trimethylolethane, tetramethylolmethane; Described esterifying catalyst is selected from one or both in single top stannic oxide, Dibutyltin oxide.Above-mentioned vibrin adopts the method for melt phase polycondensation synthetic, comprises the steps: first, in proportion dibasic alcohol and branching agent is dropped into reactor, is heated to material melting; Then, when stirring, add in proportion aromatic dibasic acid and esterifying catalyst, slowly being warming up to 230-240 DEG C, to be maintained until acid number be 15-25mgKOH/g, then be cooled to 195-205 DEG C and continue to be maintained until target acid number 0.8-1.2mgKOH/g and hydroxyl value 280-300mgKOH/g, obtain vibrin.The glass transition temperature Tg of this vibrin is 50-60 DEG C, and melt viscosity is 500-3000PaS, softening temperature 103-108 DEG C.
Described epoxy modified acrylic resin can be epoxy modified acrylic resin arbitrarily, the kind of epoxy resin modification agent is also without specific limited, and the monomer of acrylic resin can be for conventional (methyl) esters of acrylic acid, (methyl) vinylformic acid and other modified monomers be as vinylbenzene, acrylamide etc.
Preferably, described modified epoxy acrylate resin is taking methyl methacrylate, vinylformic acid, Octyl acrylate, vinylbenzene, Propylene glycol monoacrylate, trimethyol propane triacrylate as monomer, benzoyl peroxide is initiator, bisphenol A type epoxy resin is properties-correcting agent, the thermoset epoxy obtaining through polymerization is acrylic resin modified, its oxirane value is 0.4-0.47eq/100g, and softening temperature is 12-20 DEG C, and viscosity is 6000-10000mPaS.This Resin Flow is good, easily mixes with subsidiary material, and forming process is convenient, good stability of the dimension after solidifying, shrinking percentage is less than 2%, is the resin of thermosetting resin shrinking percentage minimum, thermal expansivity 6-10.5%, adhesiveproperties excellence, mechanical property and chemical stability are all good.
Reflectivity >=90% of described infrared reflecting paint, diameter is 20-50nm.Can select rutile type nano titanic oxide or there is the coated mica of rutile titanium dioxide of spinel structure.
Introduce nano titanium oxide, not only can reflected infrared, and also it also has very high chemical stability, thermostability, nontoxicity, Superhydrophilic, non-migrating.
The described coated mica of rutile titanium dioxide with spinel structure, is taking sericite as substrate, Sn
4+as promotor, TiCl
4for titanium source, adopt liquid phase deposition to prepare at sericite surface coated red schorl type titanium dioxide.Rutile titanium dioxide obtained above is a kind of Titania-mica Composites, not only there is the double advantage of nano titanium oxide and nanometer sericite in powder, for example chemical stability, weathering resistance, light reflective, photostabilization and excellent heat resistance, and on photochemical properties, obtained enhancing.
Described linking agent can be common linking agent, for example, have multi-functional material, as multicyanate esters, and TriMethylolPropane(TMP), tetramethylolmethane etc.
Preferably, described linking agent is with 4,5-imidazole-2-carboxylic acid and benzoglyoxaline-5, and 6-dicarboxylic acid is as sensitization organic ligand, by being covalently bound to mesoporous SiO
2on nanoparticle, the nano combined linking agent preparing.This multifunctional nano multiple crosslinking agent favorable dispersity, uniform and stable.Therefore there is coating and linking agent speed of response faster, can accelerate curing speed, save set time.
Described filler can be silica powder, calcium carbonate, talcum powder, kaolin, magnesium hydroxide, aluminium hydroxide, nano material filler as nano barium sulfate etc., preferred, is nano modification barium sulfate.
Described auxiliary agent is selected from one or more of flow agent, st-yrax, wetting enhancer, low-temperature curing promotor, UV light absorber.In the time using, the quality of flow agent is 0.8～1.0% of coating total mass; Benzoic quality is 0.2～1.0% of coating total mass; The quality of wetting enhancer agent is 0.4～1.0% of coating total mass; The quality of low-temperature curing promotor is 0.2～1.0% of coating total mass; The quality of UV light absorber is 1.0～1.5% of coating total mass.
Owing to containing polyester/vinylformic acid mixture, vibrin and epoxy modified acrylic resin in powder coating of the present invention, the resistance to mist corrosive nature of salt tolerant that it has epoxide powder coating, has again the ageing-resistant performance of acrylic powder coating excellence.
In addition, film is aging is because degraded and the polymerization of macromolecule resin (base-material) cause substantially.So two kinds of degraded and polymerization on, Degradation often can be considered to again the principal character of all organic binder matter weathering processes.The Degradation of macromolecular compound is caused by various physics or chemical factor.The degraded that the degraded occurring under physical factor effect is caused by hot effect substantially and the photochemical degradation causing because of the effect of light.Sunlight arrives in the ray composition on ground after atmospheric absorption, and ultraviolet ray accounts for 5%, and visible ray accounts for 45%, and infrared rays accounts for 45%, and other electromagnetic radiation energy accounts for 5%.Wherein 95% of infrared energy concentrate in the scope that wavelength is 720-2500nm, near infrared range.Visible ray and infrared rays are all invisible heats, and the object being sunlighted absorbs the visible ray of solar radiation and the energy of infrared light is transformed into heat energy.Therefore in coating system, add infrared reflecting paint to reflect away to greatest extent the part light wave that causes film weather stain loss of gloss in sunlight, further to improve the corrosion-resistant and weathering resistance (aging) of film.
The present invention also provides the production technique of the powder coating of above-mentioned compound functionalization infrared external reflection, employing be supercritical carbon dioxide fluid method.
Concrete production technique comprises the steps: a, all raw materials is prepared burden in formulation weight ratio, and carries out pre-mixing; B: the material that premix is got togather passes in Co 2 supercritical fluid still, regulates still internal pressure and temperature, makes the pressure and temperature of carbonic acid gas reach stagnation point, then regulates temperature to arrive 100-120 DEG C; C: the material in dispersed with stirring supercutical fluid still, makes resin in premix reach fusion plastification and extrude effect; D: high-pressure carbon dioxide fluid is carried out to step-down, when following lower than carbonic acid gas emergent pressure, to feed separation, spraying, pulverizing, cross screen sizing.
Preferably, pre-mixing is carried out in pre-mixing stirred pot, adopts pressure controlled valve and temperature-control device to control the pressure and temperature in supercutical fluid still, and is provided with dispersion whipping device in fluid still, and the step of separation of material is carried out in separating still.
At the temperature of setting, the abundant fusion plastification of resin, then carry out shear-mixed with supercritical carbon dioxide fluid, supercritical co is diffused rapidly in the polymeric matrix of fusion plastification, the reduced viscosity of polymeric system, free volume increases, multiphase polymer is fully mixed with nanoparticle, stop heating, opening pressure relief valve is depressured to after normal pressure, supercritical co foaming nucleation, at a large amount of abscesses of the inner formation of polymeric matrix, the mixing of the further heterogeneous body of homogenising polymer and nanoparticle in abscess forming process, continuing to pass into supercritical co makes the polymkeric substance of fusion plastification be cooled to second-order transition temperature, pass in classification still and spray being cooled to the abundant mixed Polymer Blends body of second-order transition temperature and nanoparticle again, granulating, classified filtering is the powder of particle diameter 80-100um.
Preferably, in pre-blend step, stirring velocity is 300-400 rev/min; While stirring in supercutical fluid still, speed is 100-150 rev/min; The pressure of supercritical co is 7.38-10MPa; In supercutical fluid still, temperature is 100-120 DEG C.
The key point of this production technique is to control pressure carbon dioxide and temperature in Co 2 supercritical fluid still.Co 2 supercritical fluid method is to utilize carbonic acid gas to reach stagnation point and liquefied in the time of 7.38MPa and 31.1 DEG C, and the physical property of carbonic acid gas at this moment has liquid property and gas property concurrently.It is still a kind of gaseous state substantially, but is different from general gas flow, is a kind of dense gaseous state.Its density ratio general gas flow is wanted large two orders of magnitude, close with liquid.Its viscosity ratio liquid is little, but velocity of diffusion is than liquid fast (about 10-100 doubly), so have good mobility and transmit performance.Its specific inductivity sharply changes with pressure, as increasing, specific inductivity is conducive to dissolve the material that some polarity are large, Co 2 supercritical fluid almost without surface tension, is therefore easy to penetrate into various paint fillers in porous tissue just like gas, reaches the effect of thorough dispersing and mixing.Simultaneously because the critical temperature of carbonic acid gas approaches room temperature, separate or reaction after can be by decompression easily with other separating substances, can not produce residual and cause the problem in environmental protection and safety.
The advantage of this technique is to reduce to extrude together mixed processes, has not only reduced the electric energy that heat fusing consumes, and has also improved production efficiency simultaneously; Reduce process for processing temperature, traditional melt temperature generally reaches 180-200 DEG C, has so just obviously reduced production energy consumption, reduces products production cost, the coking phenomenon of simultaneously avoiding powder coating may occur in manufacturing processed, can obviously improve the quality of product; Because reduced heat fusing operation, the product of producing like this film-forming at a lower temperature, eased down to 100-120 DEG C/20-30 minute from traditional solidification value 180-200 DEG C/30 minutes, reduce storing temperature 44.5%, reduce baking time 33.4%, lower Energy Consumption of Construction, saved the energy, improve throughput rate.
The powder coating of the above-mentioned compound functionalization infrared external reflection that finally, prepared by the present invention can be in engineering machinery.
Beneficial effect of the present invention has:
1, the powder coating of compound functionalization infrared external reflection of the present invention, there is the salt spray corrosion resistance of epoxide powder coating, there is again acrylic powder coating good ageing-resistant (being Gloss Retention and the unfading of paint film), can be used in engineering machinery field.
2, in this coating system, add infrared reflecting paint to reflect away to greatest extent the part light wave that causes film weather stain loss of gloss in (reflectivity >=90%) sunlight simultaneously, to ensure guarantor's light tint retention of film, the weather resistance of this invention coating is brought up in artificial accelerated aging (xenon arc lamp of filtration) 1500h loss of gloss rate 40%, optimum can reach in 15%, and variable color is in △ E3.0.
3, the powder coating film-forming at a lower temperature of producing in conjunction with up-to-date Co 2 supercritical fluid method, eased down to from traditional solidification value 180-200 DEG C/30 minutes 100 DEG C/30 minutes or 120 DEG C/20 minutes, reduce storing temperature 44.5%, reduce baking time 33.4%, lower Energy Consumption of Construction, saved the energy, improve throughput rate.
Embodiment
Can further be well understood to the present invention by specific embodiments of the invention given below and comparing embodiment, but they not limitation of the invention.The part not describing in detail in specific embodiment and comparing embodiment is to adopt prior art, known technology means and industry standard to obtain.
Except as otherwise noted, the raw material umber adopting in the present invention is parts by weight.
Testing method or instrument:
Gloss: the intelligent triangular degree glossometer BGD516 that Guangzhou mark brother reaches Laboratory Instruments articles for use company limited carries out precision measurement.
Reflectivity: U.S. Filmetrics, the F10-RT-UVX reflectance test instrument of Inc. company carries out precision measurement.
Humidity resistance: the many will CZ-A-150D in Taiwan can journey try constant temperature and humid test machine set temperature humidity and set test duration 1000h wet-heat resisting test condition and test.
Salt fog resistance: the Hangzhou JL-120A of Zheng Ya Instrument Ltd. continous way salt spray testing machine (anti-corrosion test machine) degree of setting humidity is also set test duration 1000h wet-heat resisting test condition and tested.
Artificial weathering ageing resistance: the Q-SUN-XE-3 type photo-stability testing case that Q=LAB company of the U.S. produces arranges light wave at 340nm, irradiance 0.51W/m
263 DEG C of illumination temperatures, humidity is carried out continuity artificial weathering ageing resistance 80% and is tested 1500h, carry out glossiness with the intelligent triangular degree glossometer BGD516 that mark brother in Guangzhou reaches Laboratory Instruments articles for use company limited afterwards and change test, then carry out the test of colour-change (aberration) with U.S. Ai Seli hand-held spectrophotometer CI64.
embodiment 1
Preparation polyester/acrylic resin mixture 1: vibrin and acrylic resin are mixed by weight 7:3, react in pyroreaction still and form for 1 hour at 150 DEG C.
Prepare epoxy modified acrylic resin: taking methyl methacrylate, vinylformic acid, Octyl acrylate, vinylbenzene, Propylene glycol monoacrylate, trimethyol propane triacrylate as monomer, benzoyl peroxide is initiator, E-44 epoxy resin is properties-correcting agent, is polymerized.
Prepare nano combined linking agent: with 4,5-imidazole-2-carboxylic acid and benzoglyoxaline-5,6-dicarboxylic acid, as sensitization organic ligand, arrives mesoporous SiO by grafting after covalent linkage
2on nanoparticle, prepare nano combined linking agent.
Infrared reflecting paint is rutile type nano titanic oxide, and vibrin is 9855 vibrin of precious field type material supply.
Each material component of powder coating is as shown in table 1, is mass fraction.
Production method and technique comprise the following steps:
Each starting material are put into raw material tank by batching shown in table 1 and carry out pre-mixing, the starting material that again premix got togather are passed in Co 2 supercritical fluid still, design temperature is 100 DEG C, utilize after the temperature that heating unit in Co 2 supercritical fluid still is heated to set constant temperature 3 minutes, start shearing elements simultaneously and shear that to forward velocity of rotation to be 100 revs/min, make the abundant fusion plastification of resin, then pass into the supercritical co that pressure is 7.38MPa, through the shear-mixed of 5 minutes, supercritical co is diffused rapidly in the polymeric matrix of fusion plastification, the reduced viscosity of polymeric system, free volume increases, multiphase polymer is fully mixed with nanoparticle, stop heating, shearing elements stops forwarding to be opened pressure relief valve and is depressured to normal pressure, supercritical co foaming nucleation, at a large amount of abscesses of the inner formation of polymeric matrix, the mixing of the further heterogeneous body of homogenising polymer and nanoparticle in abscess forming process, continuing to pass into supercritical co makes the polymkeric substance of fusion plastification be cooled to second-order transition temperature, being the powder of particle diameter 80um being cooled to the abundant mixed Polymer Blends body of second-order transition temperature and the nanoparticle granulating classified filtering of spraying in passing into classification still, sampling detects, detect after qualified and pack according to customer requirement again, finally reach the compound functionalization infrared external reflection engineering machinery powder coating that we need.
embodiment 2
This embodiment is substantially the same manner as Example 1, and its difference is:
When preparation polyester/acrylic resin mixture 2, react 1.5 hours.
Adopt the method for CN103467714A to prepare high hydroxy polyester resin.
Adopt the method for CN102795663A to prepare the coated mica powder of Nano titanium dioxide.
Linking agent is TriMethylolPropane(TMP).
In addition, auxiliary agent has required difference, in detail in table 1.
embodiment 3
This embodiment is substantially the same manner as Example 1, and difference is that auxiliary agent is different, the Temperature Setting of supercutical fluid still is 120 DEG C, constant temperature 5 minutes after the temperature that is heated to set, and the velocity of rotation of shearing elements is 150 revs/min, the shear-mixed time is 10 minutes.
embodiment 4
This embodiment is substantially the same manner as Example 2, and difference is that auxiliary agent is different, linking agent is nano combined linking agent, and its preparation method is with embodiment 1; In addition, the Temperature Setting of supercutical fluid still is 110 DEG C, constant temperature 4 minutes after the temperature that is heated to set, and the velocity of rotation of shearing elements is 150 revs/min, and the shear-mixed time is 8 minutes, and the pressure of supercutical fluid is 10MPa.
embodiment 5
This embodiment is identical with embodiment 1 production technique, is only raw material difference, as shown in table 1.
embodiment 6
This embodiment is identical with embodiment 1 production technique, is only raw material difference, as shown in table 1.
comparative example 1
This comparative example is substantially the same manner as Example 1, is only not contain polyester/acrylic resin mixture 1.
Table 1
Powder coating in each embodiment and comparative example is constructed: clean-surface of sandblast-degreasing-cold water cleaning-rust cleaning-cold water adjustment-phosphatization-hot water cleans-dries-dusts-solidify.Dust and adopt JF500 type electrostatic powder coating machine, HGP series reclaims for the integrated powder spraying chamber of powder.Control inputs electric current is AC200V ± 10%, 50Hz, < 140W; Input air-flow 0.5MPa, 0.3m
3/ min through purifying treatment; Output voltage 60～80kV; Outward current 50 μ A constant current outputs; Powder outlet quantity 400g/min; Primary powder spraying ratio 70%; Spraying circular diameter>=400mm; Encircle effect>=70mm; Coat-thickness 200 μ m.Solidification value is controlled at 100 DEG C/30 minutes or 120 DEG C/20 minutes.Detected result is as shown in table 2 below:
Table 2
Above disclosed is only the preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application the scope of the claims, still belongs to the scope that the present invention is contained.
Claims (10)
1. a compound functionalization infrared external reflection powder coating, comprises the component of following weight part: polyester/acrylic resin mixture 2-8 part, vibrin 30-50 part, epoxy modified acrylic resin 10-20 part, infrared reflecting paint 15-35 part, linking agent 1-5 part, filler 8-18 part, auxiliary agent 1-2.5 part; Wherein polyester/acrylic resin mixture is the polymer complex that vibrin and reactive acrylic resin form.
2. powder coating according to claim 1, is characterized in that: the feed composition of described vibrin and mass parts are: aromatic dibasic acid 45-35 part, branching agent 40-50 part, dibasic alcohol 0-10 part, esterifying catalyst 0-0.01 part; The hydroxyl value of vibrin is 280-300mgKOH/g.
3. powder coating according to claim 1 and 2, it is characterized in that: described epoxy modified acrylic resin is taking methyl methacrylate, vinylformic acid, Octyl acrylate, vinylbenzene, Propylene glycol monoacrylate, trimethyol propane triacrylate as monomer, benzoyl peroxide is initiator, bisphenol A type epoxy resin is properties-correcting agent, and the thermoset epoxy obtaining through polymerization is acrylic resin modified.
4. powder coating according to claim 1 and 2, it is characterized in that: described infrared reflecting paint is the coated mica of rutile type nano titanic oxide or the rutile titanium dioxide with spinel structure, and reflectivity >=90% of described infrared reflecting paint, diameter are 20-50nm.
5. powder coating according to claim 1 and 2, is characterized in that: described linking agent is with 4,5-imidazole-2-carboxylic acid and benzoglyoxaline-5, and 6-dicarboxylic acid is as sensitization organic ligand, by being covalently bound to mesoporous SiO
2on nanoparticle, the nano combined linking agent preparing.
6. powder coating according to claim 1 and 2, is characterized in that: described filler is selected from one or more in silica powder, calcium carbonate, talcum powder, kaolin, magnesium hydroxide, aluminium hydroxide, nano modification barium sulfate.
7. powder coating according to claim 1 and 2, is characterized in that: described auxiliary agent is selected from one or more in flow agent, st-yrax, wetting enhancer, low-temperature curing promotor, UV light absorber.
8. a method of preparing compound functionalization infrared external reflection powder coating described in claim 1-7 any one, is characterized in that: adopt Co 2 supercritical fluid method.
9. method according to claim 8, is characterized in that: comprise the steps: a, all raw materials are prepared burden in formulation weight ratio, and carry out pre-mixing; B: the material that premix is got togather passes in Co 2 supercritical fluid still, regulates still internal pressure and temperature, makes the pressure and temperature of carbonic acid gas reach stagnation point; C: the material in dispersed with stirring supercutical fluid still, makes the resin melting plasticizing in premix; D: high-pressure carbon dioxide fluid is carried out to step-down, when following lower than carbonic acid gas emergent pressure, to feed separation, spraying, pulverizing, cross screen sizing.
10. method according to claim 9, is characterized in that: in pre-blend step, stirring velocity is 300-400 rev/min; While stirring in supercutical fluid still, speed is 100-150 rev/min; The pressure of supercritical co is 7.38-10MPa; In supercutical fluid still, temperature is 100-120 DEG C.
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| CN107384072A (en) * | 2017-07-21 | 2017-11-24 | 南京理工大学 | Infrared-reflection heat-insulation coating based on bismuth molybdate compound and preparation method thereof |
| CN108676414A (en) * | 2018-06-04 | 2018-10-19 | 合肥月煌新型装饰材料有限公司 | A kind of aqueous reflective heat-insulation paint and preparation method thereof |
| CN109294380A (en) * | 2018-09-26 | 2019-02-01 | 河北麦森钛白粉有限公司 | A kind of anti-infrared nanometer titania powder coating and preparation method thereof |
| CN110673442A (en) * | 2019-11-11 | 2020-01-10 | 新东方油墨有限公司 | Photosensitive resin and application thereof in preparation of liquid photosensitive solder resist ink |
| CN112646440A (en) * | 2020-12-21 | 2021-04-13 | 成都祥和新代涂料集团有限公司 | Preparation method of antirust single-component organic silicon modified primer |
| CN113930095A (en) * | 2021-11-30 | 2022-01-14 | 扬州彩虹粉末涂料有限公司 | Environment-friendly high-reflectivity powder coating and preparation process thereof |
| WO2022267202A1 (en) * | 2021-06-23 | 2022-12-29 | 广东西敦千江粉漆科学研究有限公司 | Method for preparing low-temperature cured powder coating by means of post-mixing, and related composite nano low-temperature cured catalyst and preparation method therefor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077730A (en) * | 1993-03-13 | 1993-10-27 | 王喜献 | Polyester powder reflectorized coating and production method thereof |
| CN1339547A (en) * | 2000-08-23 | 2002-03-13 | 机械工业部广州电器科学研究所 | Thermosetting weather resistant low brightness paint powder and its preparing method |
| CN1461783A (en) * | 2002-05-29 | 2003-12-17 | 广州电器科学研究院 | Powdered paint |
-
2014
- 2014-07-28 CN CN201410363070.3A patent/CN104140746B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077730A (en) * | 1993-03-13 | 1993-10-27 | 王喜献 | Polyester powder reflectorized coating and production method thereof |
| CN1339547A (en) * | 2000-08-23 | 2002-03-13 | 机械工业部广州电器科学研究所 | Thermosetting weather resistant low brightness paint powder and its preparing method |
| CN1461783A (en) * | 2002-05-29 | 2003-12-17 | 广州电器科学研究院 | Powdered paint |
Non-Patent Citations (4)
| Title |
|---|
| 张道军等: ""咪唑羧酸稀土配合物复合介孔二氧化硅纳米发光材料的合成"", 《第十五届全国分子筛学术大会论文集 》 * |
| 经桴良: ""聚酯树脂在涂料工业中的应用"", 《上海涂料》 * |
| 钱大庆等: ""环氧改性丙烯酸树脂防腐涂料的研制"", 《涂料工业》 * |
| 韩要星等: ""粉末涂料制造工艺及其技术研究进展"", 《涂料技术与文摘》 * |
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| CN105153896A (en) * | 2015-09-14 | 2015-12-16 | 安徽华润涂料有限公司 | Home security window prime paint and preparation method thereof |
| CN105218960A (en) * | 2015-10-21 | 2016-01-06 | 南京润屹电子科技有限公司 | For the high-performance weather-proof material and preparation method thereof of instrument |
| CN106867370A (en) * | 2017-02-28 | 2017-06-20 | 佛山市涂亿装饰材料科技有限公司 | A kind of architectural shape anti-heat radiation energy-conservation powder coating product and its processing technology |
| CN106893461A (en) * | 2017-04-14 | 2017-06-27 | 山东麦都孚新材料科技有限公司 | Compound powdery paints of pearl essence and preparation method thereof |
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| CN110673442A (en) * | 2019-11-11 | 2020-01-10 | 新东方油墨有限公司 | Photosensitive resin and application thereof in preparation of liquid photosensitive solder resist ink |
| CN110673442B (en) * | 2019-11-11 | 2023-04-11 | 新东方油墨有限公司 | Photosensitive resin and application thereof in preparation of liquid photosensitive solder resist ink |
| CN112646440A (en) * | 2020-12-21 | 2021-04-13 | 成都祥和新代涂料集团有限公司 | Preparation method of antirust single-component organic silicon modified primer |
| WO2022267202A1 (en) * | 2021-06-23 | 2022-12-29 | 广东西敦千江粉漆科学研究有限公司 | Method for preparing low-temperature cured powder coating by means of post-mixing, and related composite nano low-temperature cured catalyst and preparation method therefor |
| CN113930095A (en) * | 2021-11-30 | 2022-01-14 | 扬州彩虹粉末涂料有限公司 | Environment-friendly high-reflectivity powder coating and preparation process thereof |
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