CN105754427A - Self-cleaning colorized solar heat reflecting coating - Google Patents
Self-cleaning colorized solar heat reflecting coating Download PDFInfo
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- CN105754427A CN105754427A CN201410794787.3A CN201410794787A CN105754427A CN 105754427 A CN105754427 A CN 105754427A CN 201410794787 A CN201410794787 A CN 201410794787A CN 105754427 A CN105754427 A CN 105754427A
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Abstract
Self-cleaning colorized solar heat reflecting coating is disclosed. The coating comprises a top coating composition and a primer composition. The top coating composition comprises fluorocarbon resin, titanium dioxide, near-infrared reflection pigment, an anti-settling agent, a defoamer, a dispersant, a levelling agent, a super-hydrophobic agent and an organic solvent. The primer composition comprises the fluorocarbon resin, the titanium dioxide, silicon dioxide aerogel, the anti-settling agent, the defoamer, the dispersant, the levelling agent, and the organic solvent. The coating can effectively reflect solar heat radiation and has a good self-cleaning property.
Description
Technical field
The present invention relates to field of fine chemical, in particular it relates to a kind of self-cleaning colored solar heat reflection paint.
Background technology
On the earth, overwhelming majority energy both is from the sun.Coal, oil, natural gas and water energy, wind energy, bioenergy etc. all directly or indirectly derive from solar energy, and the sun is the essential condition of human being's production and life.China's solar energy resources is especially abundant, and solar radiation is to solar energy about 750 watt/square metre of body surface, and the annual accumulative sunlight time area more than 2200 hours has exceeded the 60% of China's area.But strong solar radiation brings inconvenience can to commercial production and human lives simultaneously.Through the long-time Continuous irradiation of the sun, body surface energy constantly gathers, and temperature significantly raises, and during even at summer, metal object surface temperature can reach 70-80 DEG C, and building roof and exterior wall surface temperature can also reach 40-50 DEG C.According to statistics, the whole world therefore cooling, refrigeration and the annual required energy consumed accounts for more than the 20% of total energy consumption.Therefore, a kind of method that exploitation solar heat reflecting and heat insulating coating reduces building, equipment surface temperature is indirect utilization solar energy, to saving the energy, protecting environment significant.
At present, solar heat reflecting and heat insulating coating is widely used in skin and roof as a kind of new energy-saving material, it can effectively reflect, intercept the energy of sunlight, substantially reduce skin, roof and indoor temperature, reduce the refrigeration plant energy consumptions under the high temperature conditions such as air-conditioning, not only improve working environment but also saved the substantial amounts of energy.
More common is white hot reflective heat-insulation paint in the market, good heat reflection effect can be reached, but only using white coating can cause that color is single on the one hand, affecting aesthetic feeling can not meet individual requirements, and the coating also inapplicable white of major part military use；White hot reflective heat-insulation paint is mainly to reflect visible ray (400-750 nanometer) wave band on the other hand, the luminance factor of near-infrared (750-2500 nanometer) wave band is relatively low, but in sun heat radiation, the heat of near infrared band has accounted for 53%, very important.
Further, since dope layer needs to be chronically exposed under natural environment, not only affect attractive in appearance if dust and greasy dirt attach at coating surface, and the ability of reflected solar radiation can be made to be substantially reduced.As it is carried out manual cleaning, waste time and energy, particularly difficult for high-lager building.Existing solar heat reflection paint, mostly can not long-acting maintenance surface cleaning, accelerate the decay of the heat insulation temperature difference, affect reflected solar energy efficiency, this problem hinders popularization and the sale of heat-reflecting insulating coating significantly.Therefore, effectively the colour-wash of surface cleaning can be kept again for a long time by reflecting sun heat radiation in the urgent need to a kind of.
Summary of the invention
For the deficiency of above-mentioned Problems existing and solution, it is an object of the invention to provide a kind of can high-efficiency reflective sun heat radiation and there is the colour-wash of self-cleaning function, this coating can the effective energy of reflected sunlight and can keep surface cleaning for a long time.
To achieve these goals, the invention provides a kind of self-cleaning colored solar heat reflection paint finish compositions, this finish compositions contains fluorocarbon resin, titanium dioxide, near-infrared reflection pigment, anti-settling agent, defoamer, dispersant, levelling agent, super-hydrophobic dose and organic solvent, wherein, fluorocarbon resin relative to 100 weight portions, the content of titanium dioxide is 40-80 weight portion, the content of near-infrared reflection pigment is 4-20 weight portion, the content of anti-settling agent is 2-3 weight portion, the content of defoamer is 0.2-0.8 weight portion, the content of dispersant is 2-4 weight portion, the content of levelling agent is 0.4-1 weight portion, the content of super-hydrophobic dose is 0.4-2 weight portion, the content of organic solvent is 20-40 weight portion；The described super-hydrophobic dose of at least one in organosilicon, modified poly(silicon aether) and organosilicon-modified acrylate.
Present invention also offers the self-cleaning colored solar heat reflection paint containing above-mentioned finish compositions, possibly together with paint base composition in this coating, this paint base composition contains: fluorocarbon resin, titanium dioxide, aerosil, anti-settling agent, defoamer, dispersant, levelling agent and organic solvent, in described paint base composition, fluorocarbon resin relative to 100 weight portions, the content of titanium dioxide is 40-80 weight portion, the content of aerosil is 4-20 weight portion, the content of anti-settling agent is 2-3 weight portion, the content of defoamer is 0.2-0.8 weight portion, the content of dispersant is 2-4 weight portion, the content of levelling agent is 0.4-1 weight portion.
Heat-reflective coating cloth provided by the invention has the following advantages and beneficial effect:
(1) in the top coat of the present invention, the proportioning of composition can make surface tension extremely low, the surface contact angle of paint film is increased to 150 ° by 90 ° of general coating, greatly reduce and be attached to the greasy dirt of coating surface, dust etc., and it is attached to the dirt winds such as the greasy dirt on surface, dust or rain drop erosion can be removed, achieve the automatically cleaning of paint film, significantly slow down the decay of this coating reflectance；
(2) in sun heat radiation, the heat of near infrared band has accounted for 53%, the top coat of the present invention has the infrared external reflection energy of excellence, the reflectance of near infrared band is reached 85%, the shortcoming that in finish paint, the use of near-infrared reflection pigment can avoid color unification (white) simultaneously；
(3) titanium dioxide in top coat of the present invention has significantly high Solar reflectance and excellent weatherability, and the titanium dioxide in priming paint can strengthen the coating secondary reflection near infrared light；
(4) the coating effect of heat insulation of the present invention is better, and the aerosil in priming paint is excellent heat-barrier material, can intercept the endosmosis of the heat being collected in paint film, strengthen effect of heat insulation, further reduces cooling energy consumption.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below.In the accompanying drawings:
Fig. 1 is the coating reflectogram to sun heat radiation.
Description of reference numerals
1 finish paint 2 priming paint
The 3 significantly high a part of infrared energies of sun heat radiation 4 are reflected
5 higher part energy are reflected
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
The invention provides a kind of self-cleaning colored solar heat reflection paint finish compositions, this finish compositions contains fluorocarbon resin, titanium dioxide, near-infrared reflection pigment, anti-settling agent, defoamer, dispersant, levelling agent, super-hydrophobic dose and organic solvent, wherein, fluorocarbon resin relative to 100 weight portions, the content of titanium dioxide is 40-80 weight portion, the content of infrared reflecting paint is 4-20 weight portion, the content of anti-settling agent is 2-3 weight portion, the content of defoamer is 0.2-0.8 weight portion, the content of dispersant is 2-4 weight portion, the content of levelling agent is 0.4-1 weight portion, the content of super-hydrophobic dose is 0.4-2 weight portion, the content of organic solvent is 20-40 weight portion；The described super-hydrophobic dose of at least one in organosilicon, modified poly(silicon aether) and organosilicon-modified acrylate.
According to the present invention, preferably, relative to the fluorocarbon resin of 100 weight portions, the content of titanium dioxide is 45-70 weight portion, and the content of near-infrared reflection pigment is 8-15 weight portion, the content of anti-settling agent is 2.3-2.8 weight portion, the content of defoamer is 0.3-0.6 weight portion, and the content of dispersant is 2.5-3.5 weight portion, and the content of levelling agent is 0.5-0.8 weight portion, the content of super-hydrophobic dose is 0.5-1.5 weight portion, and the content of organic solvent is 25-36 weight portion.
According to the present invention, fluorocarbon resin in described solar heat reflection paint finish paint can be fluorocarbon resin conventional in coating industry, at least one in politef, poly(perfluoropropene), polyvinylidene fluoride and fluoroolefins vinyl ether co-polymer, for conventionally known to one of skill in the art, do not repeat them here.The described fluorocarbon resin in top coat has excellent self-cleaning performance and outdoor durable, and anti-ultraviolet property is good, can extend coating service life.
According to the present invention, organic solvent in described solar heat reflection paint finish paint can be organic solvent conventional in industry, such as methanol, acetone, Methanamide, dimethylbenzene, at least one in ethylene glycol ether acetate and n-butyl acetate, it can also be the mixture of several organic solvent, currently preferred organic solvent is dimethylbenzene: n-butyl acetate: the weight ratio of ethylene glycol ether acetate is 1:(0.7-1.5): the mixed solvent of (0.8-1.3), more preferably dimethylbenzene: n-butyl acetate: the weight ratio of ethylene glycol ether acetate is 1:(0.8-1.3): (0.9-1.2).
According to the present invention, anti-settling agent in described solar heat reflection paint finish paint, defoamer, dispersant and levelling agent are in coating industry usual auxiliaries, the present invention is not particularly limited, if anti-settling agent can be organobentonite, at least one in modified polyamide wax and aerosil, defoamer can be organic silicon defoamer, at least one in Polyether Modified Polysiloxanes Defoaming Agent and polysiloxane defoaming agent, dispersant can be macromolecule class dispersant, at least one in polyvalent carboxylic acid's class dispersant and silicates dispersant, levelling agent can be modified acroleic acid levelling agent, at least one in organosilicon levelling agent and fluorocarbons class levelling agent, this is well-known to those skilled in the art, this is no longer described in detail by the present invention.
According to the present invention, the titanium dioxide in described solar heat reflection paint finish paint can be titanium dioxide conventional in coating industry or Rutile type titanium dioxide, preferred Japan TAYCA company's T ITANIXJR-1000 sial peplos Rutile type titanium dioxide in the present invention.The particle size range of titanium dioxide is 0.6-1.1 micron, and mean diameter is 0.7-1.0 micron.
Use the titanium dioxide of above-mentioned specification, described finish paint can be made to have visible ray and the infrared external reflection ability of excellence, finish paint can be made to have higher Solar reflectance, the weatherability of top coat can be improved simultaneously, under the external conditions such as sunlight irradiation, wind and weather, variations in temperature, still have good resistance to ag(e)ing.
According to the present invention, the near-infrared reflection pigment in described solar heat reflection paint finish paint is combined oxidation system inorganic pigment, it is possible to be titanium yellow, titanium chromium palm fibre, cobalt blue, cobalt green, copper-chrome black and siderochrome black at least one.
Owing in sun heat radiation, the heat of near infrared band accounts for about 53%, very important.Described near-infrared reflection pigment has the near-infrared reflection ability of excellence, the reflectance of near infrared band can be reached 85%, the conventional pigment identical relative to color in this area has higher near-infrared reflection ability, therefore the top coat of the present invention can the near infrared band of effective reflecting sun heat radiation, thus significantly reducing the temperature being painted object, the shortcoming that in finish paint, the use of near-infrared reflection pigment can avoid color unification (white) simultaneously.
According to the present invention, super-hydrophobic dose in described solar heat reflection paint finish paint can be organic silicon hydrophobic agent, modified poly(silicon aether) water-repelling agent and organosilicon-modified acrylate water-repelling agent, it is preferred to organosilicon-modified acrylate water-repelling agent.
Described super-hydrophobic dose has interfacial activity, can be directed at coating surface and cross-link into polymer architecture surface, hydrophobic and oil repellency can be increased, therefore can significantly improve and scold water and scold oiliness energy, can substantially reduce and be stained with ash, film cleaning, ground moistening, levelling, surface slip, resistance to water (preventing turning white) and resistance to blocking can be improved simultaneously.Match with other components in the present invention, the surface contact angle of paint film can be increased to 150 °, greatly reduce and be attached to the greasy dirt of coating surface, dust etc., and it is attached to the dirt winds such as the greasy dirt on surface, dust or rain drop erosion can be removed, achieve the automatically cleaning of paint film, greatly slow down the decay of this coating reflectance.
Possibly together with paint base composition in the coating of the present invention, described finish compositions and described paint base composition are separately deposited, this paint base composition contains: fluorocarbon resin, titanium dioxide, aerosil, anti-settling agent, defoamer, dispersant, levelling agent and organic solvent, in described paint base composition, fluorocarbon resin relative to 100 weight portions, the content of titanium dioxide is 40-80 weight portion, the content of aerosil is 4-20 weight portion, the content of anti-settling agent is 2-3 weight portion, the content of defoamer is 0.2-0.8 weight portion, the content of dispersant is 2-4 weight portion, the content of levelling agent is 0.4-1 weight portion, organic solvent is 20-40 weight portion.More preferably, fluorocarbon resin relative to 100 weight portions, the content of titanium dioxide is 50-70 weight portion, and the content of aerosil is 8-15 weight portion, and the content of anti-settling agent is 2.3-2.8 weight portion, the content of defoamer is 0.4-0.6 weight portion, dispersant is 2.5-3.5 weight portion, and the content of levelling agent is 0.5-0.8 weight portion, and the content of organic solvent is 25-35 weight portion.
According to the present invention, the kind of the fluorocarbon resin in described solar heat reflection paint priming paint can be identical with the fluorocarbon resin in finish paint, and its kind is conventionally known to one of skill in the art, does not repeat them here.
According to the present invention, the kind of anti-settling agent in described solar heat reflection paint priming paint, defoamer, dispersant, levelling agent and organic solvent can be identical with the anti-settling agent in finish paint, defoamer, dispersant, levelling agent and organic solvent, its kind is conventionally known to one of skill in the art, does not repeat them here.
According to the present invention, titanium dioxide in described solar heat reflection paint priming paint can be big particle diameter Rutile type titanium dioxide or conventional Rutile type titanium dioxide, being preferably big particle diameter Rutile type titanium dioxide, particle size range can be 0.8-1.5 micron, and mean diameter can be 0.9-1.3 micron.Big particle diameter Rutile type titanium dioxide in described priming paint has the reflectance of excellence, it is possible to strengthen the secondary reflection near infrared light, improves the reflecting properties of coating further.
According to the present invention, the size scope of the aerosil in described solar heat reflection paint priming paint is 10-20 micron, and specific surface area is up to 500m2/ g, its density is minimum can to 40kg/m3, porosity is more than 99.6%, and has the three-dimensional manometer skeleton particle of 2-5 nanometer, is a kind of excellent heat-barrier material, can intercept the heat endosmosis being collected in paint film, strengthen effect of heat insulation.
According to the present invention, the preparation method of described solar heat reflection paint finish paint may include that and is mixed and stirred for uniformly, then filtering by each component in described finish compositions, and the filtrate being filtrated to get is described solar heat reflection paint finish paint.
One according to the present invention is preferred embodiment, the preparation method of described solar heat reflection paint finish paint may include that fluorocarbon resin, organic solvent puts in dispersion tank and is stirred, dispersant is put into successively under the rotating speed of 300-500 rev/min, titanium dioxide, near-infrared reflection pigment, defoamer, heighten rotating speed to 1500 revs/min, high speed dispersion 1.5-2 hour, fineness is detected to less than 30 microns with Hegman grind gage, turn down rotating speed to 300 revs/min, it is subsequently adding levelling agent, anti-settling agent and super-hydrophobic dose, stir, then filter, the filtrate being filtrated to get is described solar heat reflection paint finish paint.
According to the present invention, the preparation method of described solar heat reflection paint priming paint may include that and is mixed and stirred for uniformly, then filtering by each component in described paint base composition, and the filtrate being filtrated to get is described solar heat reflection paint priming paint.
One according to the present invention is preferred embodiment, the preparation method of described solar heat reflection paint priming paint may include that fluorocarbon resin, organic solvent puts in dispersion tank and is stirred, dispersant is put into successively under the rotating speed of 300-500 rev/min, titanium dioxide, aerosil, defoamer, heighten rotating speed to 1500 revs/min, disperse 1.5-2 hour, rotating speed is turned down to 300 revs/min when detecting fineness to less than 45 microns with Hegman grind gage, add levelling agent, anti-settling agent, stir, then filter, the filtrate being filtrated to get is described solar heat reflection paint priming paint.
According to the present invention, the using method of described solar heat reflection paint finish paint can be conventional using method, the present invention to this and unrestricted, can by as described in finish compositions spraying, roller coat or brush on coated article part surface, be then dried.Dry temperature can be 25-30 DEG C, and drying time can be 15-20 hour.
One according to the present invention is preferred embodiment, the using method of described solar heat reflection paint finish paint may include that addition cross-linking agent in described solar heat reflection finish compositions, stir, it is not added with or adds spraying after organic solvent, roller coat or brush on coated article part surface, being then dried.Dry temperature can be room temperature 25-30 DEG C, and drying time can be 15-20 hour.
Described organic solvent can be dimethylbenzene: butyl acetate weight ratio is 7:(2-5) mixture, use the adding of front organic solvent can the application property of further structural reform coating.
Described cross-linking agent can be isocyanate curing agent, biuret polyurethane curing agent or trimer polyurethane curing agent, it is preferably trimer polyurethane curing agent, relative to 100 weight portion finish compositions, the addition of cross-linking agent can be 5-20 weight portion, it is preferred to 10-15 weight portion.
According to the present invention, the using method of described solar heat reflection paint priming paint and the using method of finish paint can be identical, are no longer described in detail at this.
Hereinafter will be described the present invention by specific embodiment.
Embodiment 1
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X) and 20 weight parts organic solvent dimethylbenzene (purchased from Shanxi Xin Hai Chemical Co., Ltd.，Trade mark dimethylbenzene) put in dispersion tank and be stirred，Dispersant is put into successively (purchased from Byk Chemie GmbH of Germany under the rotating speed of 500 revs/min，Trade mark BYK142) content be 2 weight portions，Mean diameter is that the Rutile type titanium dioxide of 0.7 micron is (purchased from TAYCA company of Japan，Trade mark TITANIXJR-1000) 40 weight portions，4 weight portion near-infrared reflection pigment siderochrome are black (purchased from TOMATEC company，Trade mark 42-7 series)，Defoamer is (purchased from De Qian Chemical Co., Ltd.，The trade mark 5800) content be 0.2 weight portion，Heighten rotating speed to 1500 revs/min，High speed dispersion 1.5 hours，Fineness is detected to less than 30 microns with Hegman grind gage，Turn down rotating speed to 300 revs/min，It is subsequently adding anti-settling agent (purchased from Byk Chemie GmbH of Germany，Trade mark BYK410) 2 weight portions，Levelling agent is (purchased from Byk Chemie GmbH of Germany，Trade mark BYK306) 0.5 weight portion and super-hydrophobic dose of organosilicon-modified acrylate be (purchased from Byk Chemie GmbH of Germany，Trade mark BYK3700) 0.4 weight portion，It is uniformly mixed，Obtain finish paint.
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X) and 20 weight parts organic solvent n-butyl acetates (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark n-butyl acetate) put in dispersion tank and be stirred，2.1 parts per weight dispersing agent are put into successively (purchased from Haimen Afcona Chemical Co., Ltd. under the rotating speed of 500 revs/min，The trade mark 5065)，42 weight portion mean diameters are that the big particle diameter Rutile type titanium dioxide of 0.9 micron is (purchased from Shanghai Bestry Performance Materials Co., Ltd.，Trade mark BR80)，4 weight portion particle diameters are that the aerosil of 10 microns is (purchased from Zhong Shankebang chemical materials Technology Co., Ltd.，Trade mark CPA-100P)，0.3 weight portion defoamer is (purchased from Byk Chemie GmbH of Germany，Trade mark BYK054)，Heighten rotating speed to 1500 revs/min，Disperse 2 hours，Rotating speed is turned down to 300 revs/min when detecting fineness to less than 45 microns with Hegman grind gage，Add 0.4 weight portion levelling agent (purchased from Byk Chemie GmbH of Germany，Trade mark BYK306)，2.1 weight portion anti-settling agents are (purchased from Byk Chemie GmbH of Germany，Trade mark CERAFAK110)，Stir，Obtain priming paint.
Embodiment 2
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X)，Dimethylbenzene is (purchased from Shanxi Xin Hai Chemical Co., Ltd.，Trade mark dimethylbenzene): n-butyl acetate is (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark n-butyl acetate): ethylene glycol ether acetate is (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark ethylene glycol ether acetate) the mixed organic solvents that weight ratio is 1:0.8:1 30 weight portion put in dispersion tank and be stirred，3 parts per weight dispersing agent are put into successively (purchased from Byk Chemie GmbH of Germany under the rotating speed of 500 revs/min，Trade mark BYK142)，45 weight portion mean diameters are that the Rutile type titanium dioxide of 0.9 micron is (purchased from TAYCA company of Japan，Trade mark TITANIXJR-1000)，10 weight portion near-infrared reflection pigment titanium yellows are (purchased from TOMATEC company，Trade mark 42-7 series)，0.6 weight portion defoamer is (purchased from De Qian Chemical Co., Ltd.，The trade mark 5800)，Heighten rotating speed to 1500 revs/min，High speed dispersion 2 hours，Fineness is detected to less than 30 microns with Hegman grind gage，Turn down rotating speed to 300 revs/min，It is subsequently adding anti-settling agent (purchased from Byk Chemie GmbH of Germany，Trade mark BYK410) 2.4 weight portions，Levelling agent is (purchased from Byk Chemie GmbH of Germany，Trade mark BYK306) 0.7 weight portion and super-hydrophobic dose of organosilicon-modified acrylate (Byk Chemie GmbH of Germany，Trade mark BYK3700) 1.0 weight portions，It is uniformly mixed，Obtain finish paint.
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X) and 31 weight parts organic solvent ethylene glycol ether acetates (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark ethylene glycol ether acetate) put in dispersion tank and be stirred，3.0 parts per weight dispersing agent are put into successively (purchased from Haimen Afcona Chemical Co., Ltd. under the rotating speed of 500 revs/min，The trade mark 5065)，58 weight portion mean diameters are that the big particle diameter Rutile type titanium dioxide of 1.1 microns is (purchased from Shanghai Bestry Performance Materials Co., Ltd.，Trade mark BR80)，12 weight portion particle diameters are that the aerosil of 15 microns is (purchased from Zhong Shankebang chemical materials Technology Co., Ltd.，Trade mark CPA-100P)，0.5 weight portion defoamer is (purchased from Byk Chemie GmbH of Germany，Trade mark BYK054)，Heighten rotating speed to 1500 revs/min，Disperse 2 hours，Rotating speed is turned down to 300 revs/min when detecting fineness to less than 45 microns with Hegman grind gage，Add 0.7 weight portion levelling agent (purchased from Byk Chemie GmbH of Germany，Trade mark BYK306)，2.5 weight portion anti-settling agents are (purchased from Byk Chemie GmbH of Germany，Trade mark CERAFAK110)，Stir，Obtain priming paint.
Embodiment 3
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X) with weight ratio be that dimethylbenzene is (purchased from Shanxi Xin Hai Chemical Co., Ltd.，Trade mark dimethylbenzene): n-butyl acetate is (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark n-butyl acetate): ethylene glycol ether acetate is (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark ethylene glycol ether acetate) for the mixed organic solvents 25 weight portion input dispersion tank of 1:1:1 is stirred，2.5 parts per weight dispersing agent are put into successively (purchased from Byk Chemie GmbH of Germany under the rotating speed of 500 revs/min，Trade mark BYK142)，60 weight portion mean diameters are that the Rutile type titanium dioxide of 0.8 micron is (purchased from TAYCA company of Japan，Trade mark TITANIXJR-1000)，15 weight portion near-infrared reflection pigment cobalt greens are (purchased from TOMATEC company，Trade mark 42-7 series)，0.5 weight portion defoamer is (purchased from De Qian Chemical Co., Ltd.，The trade mark 5800)，Heighten rotating speed to 1500 revs/min，High speed dispersion 2 hours，Fineness is detected to less than 30 microns with Hegman grind gage，Turn down rotating speed to 300 revs/min，It is subsequently adding anti-settling agent (Byk Chemie GmbH of Germany，Trade mark BYK410) 2.8 weight portions，Levelling agent (Byk Chemie GmbH of Germany，Trade mark BYK306) 0.4 weight portion and super-hydrophobic dose of organosilicon-modified acrylate (Byk Chemie GmbH of Germany，Trade mark BYK3700) 1.5 weight portions，It is uniformly mixed，Obtain finish paint.
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X)，Dimethylbenzene is (purchased from Shanxi Xin Hai Chemical Co., Ltd.，Trade mark dimethylbenzene): n-butyl acetate is (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark n-butyl acetate): ethylene glycol ether acetate is (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark ethylene glycol ether acetate) the mixed organic solvents that weight ratio is 1:1:1 35 weight portion put in dispersion tank and be stirred，2.5 parts per weight dispersing agent are put into successively (purchased from Haimen Afcona Chemical Co., Ltd. under the rotating speed of 500 revs/min，The trade mark 5065)，50 weight portion mean diameters are that the big particle diameter Rutile type titanium dioxide of 1.2 microns is (purchased from Shanghai Bestry Performance Materials Co., Ltd.，Trade mark BR80)，15 weight portion particle diameters are that the aerosil of 13 microns is (purchased from Zhong Shankebang chemical materials Technology Co., Ltd.，Trade mark CPA-100P)，0.6 weight portion defoamer is (purchased from Byk Chemie GmbH of Germany，Trade mark BYK054)，Heighten rotating speed to 1500 revs/min，Disperse 2 hours，Rotating speed is turned down to 300 revs/min when detecting fineness to less than 45 microns with Hegman grind gage，Add 0.5 weight portion levelling agent (purchased from Byk Chemie GmbH of Germany，Trade mark BYK306)，2.3 weight portion anti-settling agents are (purchased from Byk Chemie GmbH of Germany，Trade mark CERAFAK110)，Stir，Obtain priming paint.
Embodiment 4
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X) and 40 weight portion ethylene glycol ether acetates (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark ethylene glycol ether acetate) organic solvent puts in dispersion tank and is stirred，4.0 parts per weight dispersing agent are put into successively (purchased from Byk Chemie GmbH of Germany under the rotating speed of 500 revs/min，Trade mark BYK142)，78 weight portion mean diameters are that the Rutile type titanium dioxide of 1.0 microns is (purchased from TAYCA company of Japan，Trade mark TITANIXJR-1000)，20 weight portion near-infrared reflection pigment titanium chromium palm fibres are (purchased from TOMATEC company，Trade mark 42-7 series)，0.8 weight portion defoamer is (purchased from De Qian Chemical Co., Ltd.，The trade mark 5800)，Heighten rotating speed to 1500 revs/min，High speed dispersion 2 hours，Fineness is detected to less than 30 microns with Hegman grind gage，Turn down rotating speed to 300 revs/min，It is subsequently adding anti-settling agent (purchased from Byk Chemie GmbH of Germany，Trade mark BYK410) 3.0 weight portions，Levelling agent is (purchased from Byk Chemie GmbH of Germany，Trade mark BYK306) 1.0 weight portions and super-hydrophobic dose of organosilicon-modified acrylate be (purchased from Byk Chemie GmbH of Germany，Trade mark BYK3700) 2.0 weight portions，It is uniformly mixed，Obtain finish paint.
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X) and the positive butyl ester of 40 parts by weight acetic acid (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark n-butyl acetate) organic solvent puts in dispersion tank and is stirred，4.0 parts per weight dispersing agent are put into successively (purchased from Haimen Afcona Chemical Co., Ltd. under the rotating speed of 500 revs/min，The trade mark 5065)，80 weight portion mean diameters are that the big particle diameter Rutile type titanium dioxide of 1.3 microns is (purchased from Shanghai Bestry Performance Materials Co., Ltd.，Trade mark BR80)，20 weight portion particle diameters are that the aerosil of 20 microns is (purchased from Foshan Sheng Hai Chemical Industry Science Co., Ltd，Trade mark aerosil)，0.8 weight portion defoamer is (purchased from Byk Chemie GmbH of Germany，Trade mark BYK054)，Heighten rotating speed to 1500 revs/min，Disperse 2 hours，Rotating speed is turned down to 300 revs/min when detecting fineness to less than 45 microns with Hegman grind gage，Add 1.0 weight portion levelling agents (purchased from Byk Chemie GmbH of Germany，Trade mark BYK306)，2.9 weight portion anti-settling agents are (purchased from Byk Chemie GmbH of Germany，Trade mark CERAFAK110)，Stir，Obtain priming paint.
Embodiment 5
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X) and weight ratio be that dimethylbenzene is (purchased from Shanxi Xin Hai Chemical Co., Ltd.，Trade mark dimethylbenzene): n-butyl acetate is (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark n-butyl acetate): ethylene glycol ether acetate is (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark ethylene glycol ether acetate) for the 36 weight portion mixed organic solvents input dispersion tanks of 1:1.2:1.2 are stirred，3.5 parts per weight dispersing agent are put into successively (purchased from Byk Chemie GmbH of Germany under the rotating speed of 500 revs/min，Trade mark BYK142)，70 weight portion mean diameters are that the Rutile type titanium dioxide of 0.7 micron is (purchased from TAYCA company of Japan，Trade mark TITANIXJR-1000)，8 weight portion near-infrared reflection pigment weight part near-infrared reflection pigment cobalt blues are (purchased from TOMATEC company，Trade mark 42-7 series)，Heighten rotating speed to 1500 revs/min，High speed dispersion 2 hours，Fineness is detected to less than 30 microns with Hegman grind gage，Turn down rotating speed to 300 revs/min，It is subsequently adding anti-settling agent (Byk Chemie GmbH of Germany，Trade mark BYK410) 2.6 weight portions，Levelling agent (Byk Chemie GmbH of Germany，Trade mark BYK306) 0.8 weight portion and super-hydrophobic dose of organosilicon-modified acrylate (Byk Chemie GmbH of Germany，Trade mark BYK3700) 0.5 weight portion，It is uniformly mixed，Obtain finish paint.
nullBy the fluorocarbon resin of 100 weight portions (purchased from Changshu Sanaifu Zhonghao New Chemical Materials Co., Ltd，Trade mark JF-2X) and 24 weight portion weight ratios be that dimethylbenzene is (purchased from Shanxi Xin Hai Chemical Co., Ltd.，Trade mark dimethylbenzene): ethylene glycol ether acetate is (purchased from Jiangsu Miki Chemical Co., Ltd，Trade mark ethylene glycol ether acetate) for the mixed organic solvents input dispersion tank of 1:1:1 is stirred，3.5 parts per weight dispersing agent are put into successively (purchased from Haimen Afcona Chemical Co., Ltd. under the rotating speed of 500 revs/min，The trade mark 5065)，70 weight portion mean diameters are that the big particle diameter Rutile type titanium dioxide of 1.0 microns is (purchased from Shanghai Bestry Performance Materials Co., Ltd.，Trade mark BR80)，8 weight portion particle diameters are that the aerosil of 18 microns is (purchased from Zhong Shankebang chemical materials Technology Co., Ltd.，Trade mark CPA-100P)，0.4 weight portion defoamer is (purchased from Byk Chemie GmbH of Germany，Trade mark BYK054)，Heighten rotating speed to 1500 revs/min，Disperse 2 hours，Rotating speed is turned down to 300 revs/min when detecting fineness to less than 45 microns with Hegman grind gage，Add 0.8 weight portion levelling agent (purchased from Byk Chemie GmbH of Germany，Trade mark BYK306)，2.8 weight portion anti-settling agents are (purchased from Byk Chemie GmbH of Germany，Trade mark CERAFAK110)，Stir，Obtain priming paint.
Embodiment 6
Prepare top coat and priming paint according to the preparation method that embodiment 2 is identical, institute the difference is that, super-hydrophobic dose the organosilicon (purchased from Byk Chemie GmbH of Germany, trade mark BYK3560) of weight such as replaced with by finish paint.
Embodiment 7
Prepare top coat and priming paint according to the preparation method that embodiment 2 is identical, institute the difference is that, super-hydrophobic dose the modified poly(silicon aether) (purchased from Byk Chemie GmbH of Germany, trade mark BYK3535) of weight such as replaced with by finish paint.
Comparative example 1
Prepare top coat and priming paint according to the method that embodiment 1 is identical, institute the difference is that, by white carbon black (purchased from Black Diamond Material Science Co., Ltd., trade mark white carbon black) identical for the color of the weight such as the near-infrared reflection pigment of the present invention replaces with in finish paint.
Comparative example 2
Prepare top coat and priming paint according to the method that embodiment 2 is identical, institute the difference is that, by lemon yellow (purchased from Shanghai Zhi De pigment Science and Technology Ltd., trade mark lemon yellow) identical for the color of the weight such as the near-infrared reflection pigment of the present invention replaces with in finish paint.
Comparative example 3
Top coat and priming paint is prepared according to the method that embodiment 3 is identical, institute the difference is that, by identical for the color of the weight such as the near-infrared reflection pigment of the present invention replaces with phthalocyanine green (purchased from Yancheng City Jing Yao Chemical trade company limited, trade mark Phthalocyanine Green G 5339) in finish paint.
Comparative example 4
Top coat and priming paint is prepared according to the method that embodiment 4 is identical, institute the difference is that, by medium chrome yellow (purchased from subsidiary factory of Suzhou City of Shanghai Chrome Yellow Plant, the trade mark 103 medium chrome yellow) identical for the color of the weight such as the near-infrared reflection pigment of the present invention replaces with in finish paint.
Comparative example 5
Top coat and priming paint is prepared according to the method that embodiment 5 is identical, institute the difference is that, by identical for the color of the weight such as the near-infrared reflection pigment of the present invention replaces with middle phthalocyanine blue (purchased from Yancheng City Jing Yao Chemical trade company limited, trade mark Phthalocyanine Blue BGS) in finish paint.
Comparative example 6
Prepare top coat and priming paint according to the method that embodiment 2 is identical, institute the difference is that, without super-hydrophobic dose in finish paint.
Comparative example 7
Top coat and priming paint is prepared according to the method that embodiment 2 is identical, institute the difference is that, by Rutile type titanium dioxide that the mean diameter of the present invention is 0.9 micron (purchased from TAYCA company of Japan in finish paint, trade mark TITANIXJR-1000) Rutile type titanium dioxide that mean diameter is 0.35 micron (selling company limited, trade mark Du Pont R-960 purchased from the bright gloomy chemical industry in Shanghai) of weight such as replace with.
Testing example 1
10 weight portions are taken respectively in the finish paint obtained in embodiment 1-5 and comparative example 1-5 and priming paint, first priming paint is coated in coated article part surface, at room temperature 25 DEG C after dry 18 hours, finish paint is coated on priming paint, dry 20 hours at room temperature 25 DEG C, coating surface relative to every square metre, the coated weight of priming paint is 180g, and the coated weight of finish paint is 150g.Then according to the requirement of regulation in JG/T235-2008, entrusting national building materials test center to carry out performance detection, assay is in Table 1.
Table 1
Data according to table 1 can be seen that the self-cleaning heat reflection coatings of colour of the present invention in near-infrared reflection performance and sun reflecting properties all beyond standard-required, and compare the convention pigment of same color, the near-infrared reflection pigment performance used in the present invention is more excellent.
Testing example 2
The finish paint obtained in embodiment 1-5 and comparative example 6 and comparative example 7 and priming paint will take 10 weight portions respectively, first priming paint is coated in coated article part surface, at room temperature 25 DEG C after dry 18 hours, finish paint is coated on priming paint, dry 20 hours at room temperature 25 DEG C, coating surface relative to every square metre, the coated weight of priming paint is 180g, and the coated weight of finish paint is 150g.Then according to the requirement of regulation in JG/T235-2008, entrusting national building materials test center to carry out performance detection, assay is in Table 2.
Table 2
Data according to table 2 can be seen that the self-cleaning heat reflection coatings of the present invention in reflecting properties, contaminated resistance and heat-proof quality all beyond standard-required, the interpolation of big particle diameter Rutile type titanium dioxide and super-hydrophobic dose makes coating many-side performance all promote to some extent, and the performance of super-hydrophobic dose of machine fluorine-silicon modified acrylic ester is more excellent；Additionally, at the fluorocarbon resin preferably with respect to 100 weight portions, the content of titanium dioxide is 45-70 weight portion, the content of near-infrared reflection pigment is 8-15 weight portion, the content of anti-settling agent is 2.3-2.8 weight portion, the content of defoamer is 0.3-0.6 weight portion, the content of dispersant is 2.5-3.5 weight portion, the content of levelling agent is 0.5-0.8 weight portion, the content of super-hydrophobic dose is 0.5-1.5 weight portion, when the content of organic solvent is 25-36 weight portion, it is possible to improve the performance of finish compositions further.
Testing example 3
Heat reflection coatings to embodiment 2, by the requirement of regulation in JC/T1040-2007, entrusts national building materials test center to carry out the full item index test of standard, and assay is in Table 3.
Table 3
Testing example 4
Heat reflection coatings to embodiment 2, by the requirement of regulation in HG/T4341-2012, entrusts national building materials test center to carry out the full item index test of standard, and assay is in Table 4.
Table 4
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. a self-cleaning colored solar heat reflection paint finish compositions, this finish compositions contains fluorocarbon resin, titanium dioxide, near-infrared reflection pigment, anti-settling agent, defoamer, dispersant, levelling agent, super-hydrophobic dose and organic solvent, wherein, fluorocarbon resin relative to 100 weight portions, the content of titanium dioxide is 40-80 weight portion, the content of near-infrared reflection pigment is 4-20 weight portion, the content of anti-settling agent is 2-3 weight portion, the content of defoamer is 0.2-0.8 weight portion, the content of dispersant is 2-4 weight portion, the content of levelling agent is 0.4-1 weight portion, the content of super-hydrophobic dose is 0.4-2 weight portion, the content of organic solvent is 20-40 weight portion；The described super-hydrophobic dose of at least one in organosilicon, modified poly(silicon aether) and organosilicon-modified acrylate.
2. finish compositions according to claim 1, wherein, relative to the fluorocarbon resin of 100 weight portions, the content of titanium dioxide is 45-70 weight portion, and the content of near-infrared reflection pigment is 8-15 weight portion, the content of anti-settling agent is 2.3-2.8 weight portion, the content of defoamer is 0.3-0.6 weight portion, and the content of dispersant is 2.5-3.5 weight portion, and the content of levelling agent is 0.5-0.8 weight portion, the content of super-hydrophobic dose is 0.5-1.5 weight portion, and the content of organic solvent is 25-36 weight portion.
3. finish compositions according to claim 1, wherein, described titanium dioxide is rutile titanium white lead, and particle size range is 0.6-1.1 micron, and mean diameter is 0.7-1.0 micron.
4. finish compositions according to claim 1, wherein, described near-infrared reflection pigment be combined oxidation system inorganic pigment titanium yellow, titanium chromium palm fibre, cobalt blue, cobalt green, copper-chrome black and siderochrome black at least one.
5. finish compositions according to claim 1, wherein, described super-hydrophobic dose is organosilicon-modified acrylate.
6. a self-cleaning colored solar heat reflection paint, wherein, this reflective coating contains the finish compositions in claim 1-5 described in any one, possibly together with paint base composition, this paint base composition contains: fluorocarbon resin, titanium dioxide, aerosil, anti-settling agent, defoamer, dispersant, levelling agent and organic solvent, in described paint base composition, fluorocarbon resin relative to 100 weight portions, the content of titanium dioxide is 40-80 weight portion, the content of aerosil is 4-20 weight portion, the content of anti-settling agent is 2-3 weight portion, the content of defoamer is 0.2-0.8 weight portion, dispersant is 2-4 weight portion, the content of levelling agent is 0.4-1 weight portion, the content of organic solvent is 20-40 weight portion.
7. reflective coating according to claim 6, wherein, in described paint base composition, relative to the fluorocarbon resin of 100 weight portions, the content of titanium dioxide is 50-70 weight portion, the content of aerosil is 8-15 weight portion, the content of anti-settling agent is 2.3-2.8 weight portion, and the content of defoamer is 0.4-0.6 weight portion, and dispersant is 2.5-3.5 weight portion, the content of levelling agent is 0.5-0.8 weight portion, and the content of organic solvent is 25-35 weight portion.
8. reflective coating according to claim 6, wherein, the titanium dioxide in described paint base composition is big particle diameter Rutile type titanium dioxide, and particle size range is 0.8-1.5 micron, and mean diameter is 0.9-1.3 micron.
9. reflective coating according to claim 6, wherein, the particle diameter of the aerosil in described paint base composition is 10-20 micron.
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| WO2018130051A1 (en) * | 2017-01-13 | 2018-07-19 | Nantong Cimc Tank Equipment Co., Ltd. | Tank container |
| CN108384339A (en) * | 2018-01-08 | 2018-08-10 | 武汉疏能新材料有限公司 | A kind of super-hydrophobic composite coating of high durable and preparation method thereof and its porcelain insulator used |
| CN108864914A (en) * | 2018-07-19 | 2018-11-23 | 中国人民解放军92228部队 | A kind of heat reflection cooling type Camouflage painting and preparation method thereof |
| CN112409870A (en) * | 2020-11-25 | 2021-02-26 | 山东韩师傅新材料有限公司 | Environment-friendly super-hydrophobic water-in-water multicolor paint and application thereof |
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