CN101693807A - Drainage phase-change temperature-regulation heat-insulation coating and preparation method thereof - Google Patents
Drainage phase-change temperature-regulation heat-insulation coating and preparation method thereof Download PDFInfo
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Abstract
The invention relates to drainage phase-change temperature-regulation heat-insulation coating and a preparation method thereof. The coating is characterized by comprising the following components in parts by weight: 30-80 parts of component A, 20-60 parts of component B, 15-40 parts of titanium dioxide rutile, 10-25 parts of flyash cenosphere, 1-10 parts of vacuum ceramic micro-sphere, 1-5 parts of far-infrared radiated substance, 0.1-1 part of flash rusting resistant agent, 0.1-0.8 part of silane coupling agent, and 0.2-2 parts of thickener, wherein the component A is a mixture of 3-10 parts of polyethylene glycol 800, 1-8 parts of polyethylene glycol 1000, 1-6 parts of ceresin wax, 15-35 parts of expanded perlite, 5-15 parts of kieselguhr, 0.1-0.5 part of JFC, 0.1-0.6 part of sodium dodecyl sulfate, 0.1-0.3 part of OP-10, and 40-60 parts of deionized water; and the component B is a mixture of 20-50 parts of silicone-acrylate emulsion, 10-30 parts of polyurethane emulsion, 5-20 parts of fluororesin emulsion, 0.1-0.3 part of film forming assistant, 0.1-0.8 part of flowing deformation assistant and 10-30 parts of deionized water. Based on the coating of the invention, the preparation method comprises three steps: component A preparation, component B preparation and coating preparation.
Description
Technical field
The present invention relates to the thermal insulating coating technical field, more particularly relate to a kind of specialty and be used for multiple metallic surfaces such as oil pipeline, storage tank, outdoor industrial cooling system and other surperficial drainage phase-change temperature-regulation heat-insulation coating and preparation method thereof.
Background technology
The sun all huge energy to the earth surface radiation all the time, be exposed to object under the sun direct projection often owing to the accumulation gradually of heat excessively raises its surface temperature, bring hidden danger to safety in production, people have wasted a lot of energy in order to reduce the temperature of these body surfaces.For some petrochemical complex container, out of door reactor and petroleum pipe line, high temperature can bring potential accident potential and too much energy dissipation to them especially.At summer (particularly China's southern area), because solar irradiation is strong, the temperature of oil product constantly raises in the open-air storage tank, when sun exposure is strong, temperature can reach more than 50 ℃, and this can cause the oil evaporation aggravation to form oil gas, makes purging valve frequently open, cause the loss of equipment and the loss of oil mass, even can be explosion caused.In addition, aluminium paint weather resistance and wear resistance commonly used at present are very poor, heat-proof quality is undesirable, so petroleum chemical enterprise adopts the mode of artificial water spray to reduce the temperature that is placed on outdoor oil product storage tank, tank wagon, liquid gas storage tank, industrial chemicals storage tank usually, the use of a large amount of spray waters has further aggravated the corrosion of metal can except waste water resource and manpower.
In recent years, the coating development with heat insulating function becomes the research and development focus in heat insulation field and receives much concern.At present, thermal insulating coating can be divided three classes by its heat insulation mechanism: isolation-type thermal insulating coating, reflection type thermal insulation coating and radiation type heat-insulation coating.The research of thermal insulating coating makes and has produced a lot of patented products in the thermal insulating coating field, but most of product all exists a lot of problems aspect application popularization, first, solvent type thermal insulating coating accounts for most, a large amount of organic solvents evaporate in the atmosphere, caused the pollution of environment, be unfavorable for also that simultaneously the workmen's is healthy; The second, the thermal insulating coating of a part of water-based has problems equally, as the drying rate of coating, to the problems such as sudden strain of a muscle erosion of metallic surface; The 3rd, high cost, making much needs the field application person of thermal insulating coating to be deeply aware of one's own helplessness when faced with a great task, and has seriously hindered popularizing of using.In addition, present most of product is similar on prescription, mainly be to add vacuum micro-ball and corresponding face, filler, increase the heat reflectivity and the radiant ratio of coating, reduce the thermal conductivity of coating, finally reach the purpose of heat insulation and heat control, want further to improve the heat-proof quality of coating, on the one hand, improve the performance of functional stuffing; On the other hand, change thinking, explore new heat insulation mechanism, to develop the better new thermal insulating coating of performance.Patent CN101205435A discloses a kind of solar heat reflecting and heat insulating coating, is formed by surface layer and the blend of bottom two portions coating, contains organic solvent in the coating and contains a spot of softening agent, uses on a large scale to be unfavorable for environmental protection.It is ripe that the specialization of thermal insulating coating uses that is that all right, and the active cooling type specialty thermal insulating coating that heat-proof quality is good is used for the thermal insulating coating of metallic surfaces such as open-air chemical industry equipment, oil pipeline as specialty, demand exploitation, popularization and application urgently.
Summary of the invention
At the deficiencies in the prior art, the technical problem that quasi-solution of the present invention is determined is that a kind of drainage phase-change temperature-regulation heat-insulation coating and preparation method thereof is provided.This thermal insulating coating is a water-borne coatings, and product is harmless in the people, and is environmentally friendly, easy to use; This coating has excellent temperature adjustment heat insulating function, can reduce the be exposed to the sun temperature of body surface of the sun greatly, has energy-saving significance.
The technical scheme that the present invention solves described coating technology problem is: design a kind of drainage phase-change temperature-regulation heat-insulation coating, it is characterized in that the mixture that this coating is made up of the following portions by weight material:
A component 30-80 part;
B component 20-60 part;
Rutile titanium dioxide 15-40 part;
Fly ash float 10-25 part;
Vacuum ceramic microballon 1-10 part;
Ir radiation material 1-5 part;
Anti-flash corrosion inhibitor 0.1-1 part;
Silane coupling agent 0.1-0.8 part;
Thickening material 0.2-2 part,
Described A component is the thing that is mixed that the deionized water of the OP-10 of sodium laurylsulfonate, 0.1-0.3 part of JFC, 0.1-0.6 part of diatomite, 0.1-0.5 part of pearlstone, 5-15 part of paraffin, 15-35 part of cetomacrogol 1000,1-6 part of polyoxyethylene glycol 800,1-8 part of parts by weight 3-10 part and 40-60 part is formed;
The thing that is mixed that auxiliary rheological agents of the fluoro-resin emulsion of the organosilicon crylic acid latex that described B component is parts by weight 20-50 part, the polyaminoester emulsion of 10-30 part, 5-20 part, the film coalescence aid of 0.1-0.3 part, 0.1-0.8 part and the deionized water of 10-30 part are formed; Described film coalescence aid is a kind of water-based ether-ether class film coalescence aid; Described auxiliary rheological agents is a kind of nonionic polyurethane class auxiliary rheological agents;
Described ir radiation material is Fe
2O
3, MnO
2, Co
2O
3, one or more materials among the CuO mixture;
Described anti-flash corrosion inhibitor is that trade names are the anti-flash corrosion inhibitor of SER-ADFA17;
Described silane coupling agent is one or more compounds among KH550, KH570 and the KH560;
Described thickening material is a kind of association type polyurethane thickener;
The technical scheme that the present invention solves described preparation method's technical problem is: design a kind of preparation method of drainage phase-change temperature-regulation heat-insulation coating, this preparation method is a foundation with the coating of parts by weight material of the present invention, and adopts following technology:
1. under the preparation A component normal temperature, parts by weight by described A component are formed, earlier described JFC, sodium laurylsulfonate, OP-10 are added in the deionized water and stir, then, add polyoxyethylene glycol 800 and cetomacrogol 1000, solution put into temperature 55-75 ℃ water-bath, stir, after treating that polyoxyethylene glycol all dissolves, add paraffin, stir at a slow speed, after treating the complete fusion of paraffin, under the rotating speed of 1500-3000r/min, carry out high-speed stirring emulsification, obtain the slightly phase change material emulsion of blue light; Under the stirring velocity of 100-500r/min, add pearlstone and diatomite gradually, stirred 30-60 minute, be cooled to room temperature, obtain the functional stuffing A component of phase change material modified, stand-by;
2 preparation B components are formed by the parts by weight of described B component at normal temperatures, earlier described film coalescence aid, auxiliary rheological agents are joined in the deionized water, stir, add organosilicon crylic acid latex, polyaminoester emulsion and fluoro-resin emulsion successively, stirring at low speed is even, promptly get membrane-forming agent emulsion B component, stand-by;
3 preparation thermal insulating coatings at normal temperatures, parts by weight according to coating of the present invention are formed, rutile titanium dioxide and ir radiation material are joined in the A component successively, stir, add in the ball mill and grind, its particle fineness is reached below the 50 μ m, then, low whipping speed is under the 60-150r/min, adds fly ash float, vacuum ceramic microballon and anti-flash corrosion inhibitor, stirred 10-40 minute, add B component and silane coupling agent, continue to stir 10-40 minute, last, add thickening material and regulate dope viscosity, promptly obtain drainage phase-change temperature-regulation heat-insulation coating.
Compared with prior art, coating of the present invention and preparation method thereof has following advantage:
The function of coating intelligent thermoregulating is given in the introducing of 1 phase change material, and the synergistic effect of four kinds of heat insulation mechanism has improved the heat-proof quality of coating greatly.
Introduced anti-flash corrosion inhibitor in 2 coating, solved present water system thermal insulating coating and caused the problem of dodging erosion in the metallic surface easily.
3 since the addings of fluoro-resin improved coatingsurface ageing-resistant, refuse oil, anti-fouling effect, prolonged work-ing life, strengthened effect of heat insulation.
4 the present invention adopt water as dispersed system, than in the past solvent type heat insulation coating very big progress are being arranged aspect the environmental protection, and evaporable moisture content after the coating can not cause any pollution to environment.
Embodiment:
Below in conjunction with embodiment the present invention is done further explaination.
Drainage phase-change temperature-regulation heat-insulation coating of the present invention (abbreviation coating) is characterized in that the mixture that this coating is made up of the following portions by weight material:
A component 30-80 part;
B component 20-60 part;
Rutile titanium dioxide 15-40 part;
Fly ash float 10-25 part;
Vacuum ceramic microballon 1-10 part;
Ir radiation material 1-5 part;
Anti-flash corrosion inhibitor 0.1-1 part;
Silane coupling agent 0.1-0.8 part;
Thickening material 0.2-2 part,
Described A component is the thing that is mixed that the deionized water of the OP-10 of sodium laurylsulfonate, 0.1-0.3 part of JFC, 0.1-0.6 part of diatomite, 0.1-0.5 part of pearlstone, 5-15 part of paraffin, 15-35 part of cetomacrogol 1000,1-6 part of polyoxyethylene glycol 800,1-8 part of parts by weight 3-10 part and 40-60 part is formed; Described paraffin is that trade names are the paraffin of 52#;
The thing that is mixed that auxiliary rheological agents of the fluoro-resin emulsion of the organosilicon crylic acid latex that described B component is parts by weight 20-50 part, the polyaminoester emulsion of 10-30 part, 5-20 part, the film coalescence aid of 0.1-0.3 part, 0.1-0.8 part and the deionized water of 10-30 part are formed; Described film coalescence aid is that trade names are the waterborne film-forming auxiliary agent of S-6302; Described auxiliary rheological agents is that trade names are 802-B water-based auxiliary rheological agents;
Described ir radiation material is Fe
2O
3Mixture with two kinds of materials of CuO;
Described anti-flash corrosion inhibitor is that trade names are the anti-flash corrosion inhibitor of SER-ADFA17;
Described silane coupling agent is that trade names are the silane coupling agent of KH550;
Described thickening material is that trade names are WT-203 association type polyurethane thickener;
The present invention has designed the preparation method (abbreviation preparation method) of described drainage phase-change temperature-regulation heat-insulation coating simultaneously.This preparation method is a foundation with the coating of parts by weight material of the present invention, comprises preparation A component, B component and prepares three steps of thermal insulating coating at last.Preparation method of the present invention adopts following technology:
Under the 1 preparation A component normal temperature, parts by weight by described A component are formed, earlier described JFC, sodium laurylsulfonate, OP-10 are added in the deionized water and stir, then, add polyoxyethylene glycol 800 and cetomacrogol 1000, solution put into temperature 55-75 ℃ water-bath, stir, after treating that polyoxyethylene glycol all dissolves, add 52# paraffin, stir at a slow speed, after treating the complete fusion of paraffin, under the rotating speed of 1500-3000r/min, carry out high-speed stirring emulsification, obtain the slightly phase change material emulsion of blue light; Under the stirring velocity of 100-500r/min, add pearlstone and diatomite gradually, stirred 30-60 minute, be cooled to room temperature, obtain the functional stuffing A component of phase change material modified, stand-by; The preparation of functional stuffing is a preparation method's of the present invention committed step, comprise the selection of phase change material and porous material and the modified technique of the filling porous property of phase change material material etc., porous material is made functional stuffing by suitable modified technique with phase-changing and temperature-regulating, the adding of these functional stuffings can make thermal insulating coating obtain the function of intelligent thermoregulating, on the one hand, phase change material in the porous material absorbs or emits heat by undergoing phase transition, thereby reaches thermoregulated purpose; On the other hand, because phase change material is filled in the micropore, so undergo phase transition the performance that can not ooze out coatingsurface behind the formation liquid and influence whole coating.
2 preparation B components at normal temperatures, parts by weight by described B component are formed, waterborne film-forming auxiliary agent, 802-B water-based auxiliary rheological agents with described S-6302 joins in the deionized water earlier, stir, add organosilicon crylic acid latex, polyaminoester emulsion and fluoro-resin emulsion successively, stirring at low speed is even, promptly gets membrane-forming agent emulsion B component, and is stand-by; The composite of several resin emulsions can the good water system filmogen of obtained performance, fluoro-resin has good weather resistance, urethane has good levelling property and the adhesive property good with base material, and the quality of filmogen plays crucial effects to the overall performance of thermal insulating coating coating.
3 preparation thermal insulating coatings at normal temperatures, parts by weight according to coating of the present invention, rutile titanium dioxide and ir radiation material are joined in the A component successively, stir, add in the ball mill and grind, its particle fineness is reached below the 50 μ m, then, low whipping speed is under the 60-150r/min, adds fly ash float, vacuum ceramic microballon and SER-ADFA17 anti-flash corrosion inhibitor, stirred 10-40 minute, add B component and KH550 silane coupling agent, continue to stir 10-40 minute, last, add association type polyurethane thickener WT-203 and regulate dope viscosity, promptly obtain drainage phase-change temperature-regulation heat-insulation coating.The composite use of fly ash float and vacuum ceramic microballon has very positive meaning, with fly ash float is main thermal insulating filling, under the prerequisite that has guaranteed the coating heat-proof quality, not only make fly ash float turn waste into wealth, meaning with environmental protection and energy saving, and can reduce the cost of coating greatly.
Provide specific embodiments of the invention below, these embodiment further specify of the present invention,
Do not constitute restriction to claim protection domain of the present invention.
Embodiment 1:
The preparation of 1A component
At normal temperatures, prepare the phase transition function filler according to mass fraction, with 0.1 part of JFC, 0.3 part sodium laurylsulfonate and 0.1 part of OP-10 join in 40 parts of deionized waters, stir, solution put into 60 ℃ water-bath, add 5 parts of polyoxyethylene glycol 800 and 1 part of cetomacrogol 1000, stir and make its whole dissolvings, then, add 1 part of 52# paraffin, after treating the whole fusions of paraffin, under rotating speed 1500r/min, carry out high-speed stirring emulsification, obtain uniform emulsion, under 100r/min, stir at a slow speed, add 15 parts of pearlstones and 5 parts of diatomite successively, stirred 30 minutes, be cooled to room temperature, get phase transition function filler (A component), stand-by;
The preparation of 2B component
At normal temperatures, prepare according to mass fraction, the waterborne film-forming auxiliary agent of 0.1 part S-6302 and 0.2 part 802-B water-based auxiliary rheological agents are joined in 10 parts of deionized waters, stir, then, add 30 parts organosilicon crylic acid latex, 10 parts of polyaminoester emulsions and 5 parts of fluoro-resin emulsions, stirring at low speed is even, promptly get membrane-forming agent emulsion (B component), stand-by;
The preparation of 3 thermal insulating coatings
At normal temperatures, prepare according to mass fraction, with 15 parts of rutile titanium dioxides and 1 part of ir radiation material, be added in 30 parts of A components, stir, then, put it in the ball mill and grind, its particle fineness is reached below the 50 μ m, take out slurry, put into the reactor that band stirs, under the 80r/min stirring at low speed, add 10 parts of fly ash floats, 5 parts of vacuum ceramic microballons and 0.1 part of SER-ADFA17 anti-flash corrosion inhibitor, after stirring, add 30 parts of B components and 0.2 part of KH550 silane coupling agent, continue to stir 20 minutes, add the viscosity that 0.2 part of association type polyurethane thickener WT-203 regulates coating, promptly get phase-change temperature-regulation heat-insulation coating.
Embodiment 2:
The preparation of 1A component
At normal temperatures, prepare the phase transition function filler according to mass fraction, with 0.2 part of JFC, 0.4 part sodium laurylsulfonate and 0.15 part of OP-10 join in 45 parts of deionized waters, stir, solution put into 65 ℃ water-bath, add 10 parts of polyoxyethylene glycol 800 and 3 parts of cetomacrogol 1000s, stir and make its whole dissolvings, then, add 3 parts of 52# paraffin, after treating the whole fusions of paraffin, under rotating speed 2000r/min, carry out high-speed stirring emulsification, obtain uniform emulsion, under 120r/min, stir at a slow speed, add 25 parts of pearlstones and 10 parts of diatomite successively, stirred 10 minutes, be cooled to room temperature, get phase transition function filler (A component), stand-by;
The preparation of 2B component
At normal temperatures, prepare according to mass fraction, the waterborne film-forming auxiliary agent of 0.2 part S-6302 and 0.3 part 802-B water-based auxiliary rheological agents are joined in 15 parts of deionized waters, stir, then, add 40 parts organosilicon crylic acid latex, 15 parts of polyaminoester emulsions and 15 parts of fluoro-resin emulsions, stirring at low speed is even, promptly get membrane-forming agent emulsion (B component), stand-by;
The preparation of 3 thermal insulating coatings
At normal temperatures, prepare according to mass fraction, with 30 parts of rutile titanium dioxides and 2 parts of ir radiation materials, under stirring at low speed, be added in 40 parts of A components, then, put it in the ball mill and grind, its particle fineness is reached below the 50 μ m, take out slurry, put into the reactor that band stirs, under the 100r/min stirring at low speed, add 15 parts of fly ash floats, 7 parts of vacuum ceramic microballons and 0.3 part of SER-ADFA17 anti-flash corrosion inhibitor, after stirring, add 35 parts of B components and 0.3 part of KH550 silane coupling agent, continue to stir 30 minutes, add the viscosity that 0.3 part of association type polyurethane thickener WT-203 regulates coating, promptly get phase-change temperature-regulation heat-insulation coating.
Embodiment 3:
The preparation of 1A component
At normal temperatures, prepare the phase transition function filler according to mass fraction, with 0.2 part of JFC, 0.5 part sodium laurylsulfonate and 0.2 part of OP-10 join in 60 parts of deionized waters, stir, solution put into 60 ℃ water-bath, add 8 parts of polyoxyethylene glycol 800 and 6 parts of cetomacrogol 1000s, stir and make its whole dissolvings, then, add 5 parts of 52# paraffin, after treating the whole fusions of paraffin, under rotating speed 3000r/min, carry out high-speed stirring emulsification, obtain uniform emulsion, under 200r/min, stir at a slow speed, add 25 parts of pearlstones and 15 parts of diatomite successively, stirred 60 minutes, be cooled to room temperature, get phase transition function filler (A component), stand-by;
The preparation of 2B component
At normal temperatures, prepare according to mass fraction, the waterborne film-forming auxiliary agent of 0.2 part S-6302 and 0.5 part 802-B water-based auxiliary rheological agents are joined in 30 parts of deionized waters, stir, then, add 25 parts organosilicon crylic acid latex, 20 parts of polyaminoester emulsions and 20 parts of fluoro-resin emulsions, stirring at low speed is even, promptly get membrane-forming agent emulsion (B component), stand-by;
The preparation of 3 thermal insulating coatings
At normal temperatures, prepare according to mass fraction, with 30 parts of rutile titanium dioxides and 5 parts of ir radiation materials, be added in 45 parts of A components, stir, then, put it in the ball mill and grind, its particle fineness is reached below the 50 μ m, take out slurry, put into the reactor that band stirs, under the 120r/min stirring at low speed, add 25 parts of fly ash floats, 8 parts of vacuum ceramic microballons and 0.5 part of SER-ADFA17 anti-flash corrosion inhibitor, after stirring, add 40 parts of B components and 0.5 part of KH550 silane coupling agent, continue to stir 40 minutes, add the viscosity that 1.5 parts of association type polyurethane thickener WT-203 regulate coating, promptly get phase-change temperature-regulation heat-insulation coating.
The present invention is not limited to the foregoing description, more than a part in the shown just preferred embodiment of the present invention, can not once limit the present invention's interest field, therefore, equivalent variations so that the present patent application claim is done still belongs to the scope that the present invention is contained.
Claims (6)
1. drainage phase-change temperature-regulation heat-insulation coating is characterized in that the mixture that this coating is made up of the following portions by weight material:
A component 30-80 part;
B component 20-60 part;
Rutile titanium dioxide 15-40 part;
Fly ash float 10-25 part;
Vacuum ceramic microballon 1-10 part;
Ir radiation material 1-5 part;
Anti-flash corrosion inhibitor 0.1-1 part;
Silane coupling agent 0.1-0.8 part;
Thickening material 0.2-2 part,
Described A component is the thing that is mixed that the deionized water of the OP-10 of sodium laurylsulfonate, 0.1-0.3 part of JFC, 0.1-0.6 part of diatomite, 0.1-0.5 part of pearlstone, 5-15 part of paraffin, 15-35 part of cetomacrogol 1000,1-6 part of polyoxyethylene glycol 800,1-8 part of parts by weight 3-10 part and 40-60 part is formed;
The thing that is mixed that auxiliary rheological agents of the fluoro-resin emulsion of the organosilicon crylic acid latex that described B component is parts by weight 20-50 part, the polyaminoester emulsion of 10-30 part, 5-20 part, the film coalescence aid of 0.1-0.3 part, 0.1-0.8 part and the deionized water of 10-30 part are formed; Described film coalescence aid is a kind of water-based ether-ether class film coalescence aid; Described auxiliary rheological agents is a kind of nonionic polyurethane class auxiliary rheological agents;
Described ir radiation material is Fe
2O
3, MnO
2, Co
2O
3, one or more materials among the CuO mixture;
Described anti-flash corrosion inhibitor is that trade names are the anti-flash corrosion inhibitor of SER-ADFA17;
Described silane coupling agent is one or more compounds among KH550, KH570 and the KH560;
Described thickening material is a kind of association type polyurethane thickener;
2. according to the described drainage phase-change temperature-regulation heat-insulation coating of claim 1, it is characterized in that in the preparation of described A component that it is the composite phase-change material that 800 and 1,000 two kinds of polyoxyethylene glycol and paraffin are formed that phase change material is selected molecular weight for use; Carrier is selected for use has porous mass pearlstone, diatomite etc.; Composite phase-change material carries out modification by solution and emulsion adsorption technology to carrier.
3. drainage phase-change temperature-regulation heat-insulation coating according to claim 1, the functional stuffing that it is characterized in that reducing thermal conductivity is the compound of fly ash float and vacuum ceramic microballon.
4. drainage phase-change temperature-regulation heat-insulation coating according to claim 1 is characterized in that setting up a kind of new heat insulation mechanism of heat insulation mechanism-accumulation of heat, and the phase change material in the coating absorbs unnecessary heat by phase transformation, and reaches purpose heat insulation and that initiatively lower the temperature.
5. drainage phase-change temperature-regulation heat-insulation coating according to claim 1, the mechanism of heat insulation that it is characterized in that described thermal insulating coating has adopted the synergetical principle of four kinds of heat insulation mechanism, the function of having given the coating intelligent thermoregulating.
6. preparation method according to the described drainage phase-change temperature-regulation heat-insulation coating of claim 1, this preparation method is a foundation with the parts by weight ratio of coating of the present invention, and adopts following technology:
(1). under the preparation A component normal temperature, parts by weight by described A component are formed, earlier described JFC, sodium laurylsulfonate, OP-10 are added in the deionized water and stir, then, add polyoxyethylene glycol 800 and cetomacrogol 1000, solution put into temperature 55-75 ℃ water-bath, stir, after treating that polyoxyethylene glycol all dissolves, add paraffin, stir at a slow speed, after treating the complete fusion of paraffin, under the rotating speed of 1500-3000r/min, carry out high-speed stirring emulsification, obtain the slightly phase change material emulsion of blue light; Under the stirring velocity of 100-500r/min, add pearlstone and diatomite gradually, stirred 30-60 minute, be cooled to room temperature, obtain the functional stuffing A component of phase change material modified, stand-by;
(2) preparation B component is formed by the parts by weight of described B component at normal temperatures, earlier described film coalescence aid, auxiliary rheological agents is joined in the deionized water, stir, add organosilicon crylic acid latex, polyaminoester emulsion and fluoro-resin emulsion successively, stirring at low speed is even, promptly get membrane-forming agent emulsion B component, stand-by;
(3) the preparation thermal insulating coating at normal temperatures, parts by weight according to coating of the present invention, rutile titanium dioxide and ir radiation material are joined in the A component successively, stir, add in the ball mill and grind, its particle fineness is reached below the 50 μ m, then, low whipping speed is under the 60-150r/min, adds fly ash float, vacuum ceramic microballon and anti-flash corrosion inhibitor, stirred 10-40 minute, add B component and silane coupling agent, continue to stir 10-40 minute, last, add thickening material and regulate dope viscosity, promptly obtain drainage phase-change temperature-regulation heat-insulation coating.
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