CN103183996B - High-effect reflective heat-insulation paint and preparation method thereof - Google Patents
High-effect reflective heat-insulation paint and preparation method thereof Download PDFInfo
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- CN103183996B CN103183996B CN201310124925.2A CN201310124925A CN103183996B CN 103183996 B CN103183996 B CN 103183996B CN 201310124925 A CN201310124925 A CN 201310124925A CN 103183996 B CN103183996 B CN 103183996B
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Abstract
The invention discloses a kind of high-effect reflective heat-insulation paint and preparation method thereof, belong to application of paints technical field.The present invention is made up of emulsion, polymkeric substance Unihub E, titanium dioxide, coarse whiting, nano far infrared ceramic powder, meticulous diatomite, ZR coating powder, antiultraviolet inorganic powder, reflective powder, hollow glass micropearl, dispersion agent, wetting agent, pH adjusting agent, film coalescence aid, defoamer, thickening material, Antisepticize and mildew preventive and water, present invention also offers the preparation method of above-mentioned coating.The present invention adopts the method for orthogonal test, utilize compounded technology, the primary and secondary order of each factor is calculated through extreme difference R, obtain the thermal insulating coating formula of optimum level collocation, detect through national building materials test center and draw, solar energy reflection ratio is 0.88, and hemispherical emissivity is 0.91, and the heat insulation temperature difference is 16.9 DEG C.
Description
Technical field
The invention belongs to application of paints technical field, be specifically related to a kind of high-effect reflective heat-insulation paint and preparation method thereof.
Background technology
China implemented " Energy Conservation Law of the People's Republic of China " in 1 day April in 2008, current building energy conservation has become China's statutory requirement, the Ministry of Construction, about in the 143rd command of Civil Building Energy Conservation administrative provisions, has carried out strict mandatory regulation to China's Civil Building Energy Conservation.Building energy conservation the most important thing is to make the body of wall of buildings, roofing, door and window etc. have good heat-proof quality and good airtight performance.In numerous building heat preservation lagging material in the market, because its economy, easy to use and reflective insulation be reliable for effect etc., advantage gains wide acceptance and applies architectural reflective heat-insulation paint.
Architectural reflective heat-insulation paint take synthetic resin emulsion as base-material, take water as dispersion medium, add functional color stuffing (being mainly sunlight reflection, radiation, obstruct class color stuffing) and auxiliary agent, through the coating with reflective insulation effect that certain technological process is made.
In daily life, white or light article inherently have good luminous reflectanc, low absorptivity to solar heat.Traditional architecture reflective heat-insulation paint is mainly in conjunction with the phenomenon in daily life, adopt refraction coefficient be 2.76 Rutile type Titanium Dioxide be functional white color pigment, general volume accounts for the 30%-40% of formulation for coating material total amount, the paint vehicle be prepared into mostly is white or light, thus reaches certain cooling, heat-blocking action.But, theoretically, each titanium white particle can the certain light of scattering, and when being spaced apart the twice of titanium white particle dia between particle, reach maximum scattering, as pigment volume concentration (PVC) (PVC) <10% of titanium dioxide, titanium dioxide particle interval can meet or exceed this requirement usually, and as titanium white powder pigment volumetric concentration >10%, the gathering of titanium dioxide can make the scattering efficiency of scattered light greatly reduce, thus cause overall titanium dioxide scattering power to decline, in addition the applied environment of exterior coating is more severe relative to interior wall, cause traditional reflective heat-insulation paint sun reflectivity can not meet the index of national standard 0.80, on coating after wall for some time because contamination resistance is poor, almost lose reflective insulation effect, therefore traditional reflective thermal insulating coating can not obtain the reason of large-scale popularization application.
In addition, existing market mixes hollow glass micropearl in the reflective heat-insulation paint of more than 80% to make up titanium dioxide as functional stuffing to cross the sun reflectivity index that poly-phenomenon causes defective, improve the reflectivity of coating to a certain extent, but the hollow glass micropearl technique of domestic production is immature, the hollow structure of glass microballon is destroyed in coating production process, swollen after making coating because absorbing water after destruction, knot lump, the package stability extreme difference of coating.Meanwhile, hollow glass micropearl mixes and too much makes coatingsurface degree of roughness higher, and contaminated resistance is had a greatly reduced quality, and affects the reflective insulation effect that whole paint film is lasting.
Summary of the invention
The object of the invention is to solve the problem, a kind of high-effect reflective heat-insulation paint and preparation method thereof with reflection, obstruct, radiation solar heat is provided, this coating detects through national building materials test center and draws, sun reflectivity can reach 0.88, and hemispherical emissivity can reach 0.91, and the heat insulation temperature difference can reach 16.9 DEG C, can effectively reduce torridity summer room temp, improve living environment, reduce operation of air conditioner rate, reach the effect of energy-saving and emission-reduction.
To achieve these goals, technical scheme of the present invention is as follows:
High-effect reflective heat-insulation paint, is characterized in that, it is made up of the raw material of following weight part:
Emulsion 25 ~ 38 parts
Polymkeric substance Unihub E5 ~ 10 part
Titanium dioxide 5 ~ 15 parts
Coarse whiting 10 ~ 15 parts
Nano far infrared ceramic powder 2 ~ 6 parts
6 ~ 12 parts, meticulous diatomite
2 ~ 5 parts, ZR coating powder
Antiultraviolet inorganic powder 1 ~ 3 part
1 ~ 3 part, reflective powder
Hollow glass micropearl 5 ~ 10 parts
Dispersion agent 0.4 ~ 0.8 part
Wetting agent 0.2 ~ 0.5 part
PH adjusting agent 0.1 ~ 0.3 part
Film coalescence aid 2 ~ 3 parts
Defoamer 0.5 ~ 0.8 part
Thickening material 0.3 ~ 0.7 part
Antisepticize and mildew preventive 0.1 ~ 0.3 part
15 ~ 25 parts, water.
Further, described emulsion is pure acrylate emulsion.
The preparation method of above-mentioned high-effect reflective heat-insulation paint, comprises the following steps:
(1) by weight part be water, the X of 15 ~ 25 parts
1the thickening material of part, dispersion agent, the X of 0.4 ~ 0.8 part
2the defoamer of part and the wetting agent of 0.2 ~ 0.5 part add in the plastics pot of a liter successively, stir 5 ~ 8min to mixing;
(2) in the above-mentioned solution stirred, slowly add the nano far infrared ceramic powder of 2 ~ 6 parts, the meticulous diatomite of 6 ~ 12 parts, the ZR coating powder of 2 ~ 5 parts, the antiultraviolet inorganic powder of 1 ~ 3 part, the reflective powder of 1 ~ 3 part, 5 ~ 15 parts of titanium dioxides and 10 ~ 15 parts of coarse whitings, stir 20 ~ 30min under the rotating speed of 1500 ~ 2000r/min, make it abundant dispersion, then the film coalescence aid high speed dispersion 5 ~ 8min adding 2 ~ 3 parts obtains dispersion system;
(3) the above-mentioned dispersion system of stirring at low speed, adds the emulsion of 25 ~ 38 parts and the polymkeric substance Unihub E of 5 ~ 10 parts, after stirring, adds pH adjusting agent adjust ph to 7 ~ 9 of 0.1 ~ 0.3 part;
(4) stir under the rotating speed of 200 ~ 350r/min, then slowly add the hollow glass micropearl of 5 ~ 10 parts and stir to the hollow glass micropearl that suspension is can't see on surface;
(5) Y is added
1thickening material, the Y of part
2the defoamer of part and the Antisepticize and mildew preventive uniform stirring 10 ~ 15min of 0.1 ~ 0.3 part, obtain product;
Wherein, 0.3≤X
1+ Y
1≤ 0.7,0.5≤X
2+ Y
2≤ 0.8; And X
1≠ 0, Y
1≠ 0, X
2≠ 0, Y
2≠ 0.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention adopts the method for orthogonal test, utilize compounded technology, the primary and secondary order of each factor is calculated through extreme difference R, obtain the thermal insulating coating formula of optimum level collocation, detect through national building materials test center and draw, solar energy reflection ratio can reach 0.88, and hemispherical emissivity can reach 0.91, and the heat insulation temperature difference can reach 16.9 DEG C.
(2) the present invention utilizes Mixed Pinyin mode that the spherical hollow structure of aqueous core shell structure polymkeric substance self and elastic emulsion are carried out Mixed Pinyin, add in reflective heat-insulation paint the titanium dioxide that can replace 17%, while cost-saving, increase substantially coating contamination resistance and hiding rare.
(3) the present invention is by the collocation to different color stuffing large or fine granule, reduces the voidage in paint film, improve the planeness of coating entirety, thus obtain the excellent reflective insulation coating of contamination resistance, and heat insulation temperature difference pad value is about 4.4 DEG C.
(4) the present invention passes through common toner or mill base kind and mixes quantitative analysis, show that charcoal blacks has the greatest impact to coating reflectivity, 10% is not more than with the reflectivity of reflective heat-insulation paint within the scope of 300 ~ 2500 nano wavebands of carbon black class mill base modulation is the highest, the present invention also can add IR composite inorganic dark pigment alternative carbon black class pigment according to the actual requirements, all the other are blue, red, green, yellow, in the case, mill base 300 ~ 2500 nano waveband scope internal reflection rate height is utilized to prepare the colour reflective thermal insulating coating of different tone, control the addition of often kind of mill base, prepare the reflectivity of colour reflective thermal insulating coating all more than 65%.
Embodiment
Below in conjunction with embodiment, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment 1
Be the water of 25 parts by weight part, the wetting agent of the thickening material (Natvosol) of 0.1 part, the dispersion agent of 0.4 part, the defoamer of 0.2 part and 0.2 part adds in the plastics pot of a liter successively, and moderate-speed mixer 5 ~ 8min fully dissolves to thickening material and mixes; Slowly add the nano far infrared ceramic powder of 2 parts again, the meticulous diatomite of 12 parts, the ZR coating powder of 2 parts, the antiultraviolet inorganic powder of 1 part, the reflective powder of 1 part, 15 parts of titanium dioxides and 10 parts of coarse whitings, stir 10 ~ 15min under the rotating speed of 1500 ~ 2000r/min, make it abundant dispersion, the film coalescence aid high speed dispersion 5 ~ 8min then adding 2 parts obtains dispersion system; Then under stirring at low speed condition, add the pure acrylate emulsion of 25 parts and the polymkeric substance Unihub E of 10 parts, after stirring, add pH adjusting agent adjust ph to 7 ~ 9 of 0.1 part; Stir under the rotating speed of 200 ~ 350r/min again, then slowly add the hollow glass micropearl of 5 parts and stir to the hollow glass micropearl that suspension is can't see on surface; Finally add the thickening material of 0.2 part, the defoamer of 0.3 part and the Antisepticize and mildew preventive of 0.1 part, stir 10 ~ 15min and can tinning store after evenly.
As shown in table 1, by the properties of the Indexs measure coating in CB/T9755-2001 " exterior wall coating material of synthetic resin emulsion ", detected result shows that every conventional performance index of this coating all complies with the national standard requirements.
As shown in table 2, the test of heat insulation temperature difference effect is carried out by method described in JG/T235-2008 " architectural reflective heat-insulation paint " standard, with the blank test plate (panel) that fiber reinforced calcium silicate board is the experiment of the heat insulation temperature difference, the obtained test of 120 μm of line rod spreader twice is adopted to use heat insulation test plate (panel), heat insulating temperature difference testing is carried out after dry 7d, light source adopts the heating lamp of two 250 watts to irradiate, irradiation time is 1h, a secondary data is recorded every 5min, under same light source irradiates, heat insulation test plate (panel) and blank model are carried out the heat insulation temperature difference to contrast, heat insulation test plate (panel) is lower than blank model 8.9 DEG C, after 5 stain resistant circulations, the heat insulation temperature difference decays to 5.6 DEG C, and therefore, the present invention has good reflective insulation effect.
Embodiment 2
Be the water of 15 parts by weight part, the wetting agent of the thickening material (Natvosol) of 0.3 part, the dispersion agent of 0.8 part, the defoamer of 0.3 part and 0.5 part adds in the plastics pot of a liter successively, and moderate-speed mixer 5 ~ 8min fully dissolves to thickening material and mixes; Slowly add the nano far infrared ceramic powder of 4 parts again, the meticulous diatomite of 8 parts, the ZR coating powder of 3 parts, the antiultraviolet inorganic powder of 2 parts, the reflective powder of 2 parts, 5 parts of titanium dioxides and 15 parts of coarse whitings, stir 10 ~ 15min under the rotating speed of 1500 ~ 2000r/min, make it abundant dispersion, the film coalescence aid high speed dispersion 5 ~ 8min then adding 3 parts obtains dispersion system; Then under stirring at low speed condition, add the pure acrylate emulsion of 38 parts and the polymkeric substance Unihub E of 5 parts, after stirring, add pH adjusting agent adjust ph to 7 ~ 9 of 0.3 part; Stir under the rotating speed of 200 ~ 350r/min again, then slowly add the hollow glass micropearl of 10 parts and stir to the hollow glass micropearl that suspension is can't see on surface; Finally add the thickening material of 0.4 part, the defoamer of 0.5 part and the Antisepticize and mildew preventive of 0.3 part, stir 10 ~ 15min and can tinning store after evenly.
As shown in table 1, by the properties of the Indexs measure coating in CB/T9755-2001 " exterior wall coating material of synthetic resin emulsion ", detected result shows that every conventional performance index of this coating all complies with the national standard requirements.
As shown in table 2, the test of heat insulation temperature difference effect is carried out by method described in JG/T235-2008 " architectural reflective heat-insulation paint " standard, with the blank test plate (panel) that fiber reinforced calcium silicate board is the experiment of the heat insulation temperature difference, the obtained test of 120 μm of line rod spreader twice is adopted to use heat insulation test plate (panel), heat insulating temperature difference testing is carried out after dry 7d, light source adopts the heating lamp of two 250 watts to irradiate, irradiation time is 1h, a secondary data is recorded every 5min, under same light source irradiates, heat insulation test plate (panel) and blank model are carried out the heat insulation temperature difference to contrast, heat insulation test plate (panel) is lower than blank model 10.3 DEG C, after 5 stain resistant circulations, the heat insulation temperature difference decays to 5.9 DEG C, and therefore, the present invention has good reflective insulation effect.
Embodiment 3
Be the water of 20 parts by weight part, the wetting agent of the thickening material (Natvosol) of 0.2 part, the dispersion agent of 0.6 part, the defoamer of 0.3 part and 0.3 part adds in the plastics pot of a liter successively, and moderate-speed mixer 5 ~ 8min fully dissolves to thickening material and mixes; Slowly add the nano far infrared ceramic powder of 6 parts again, the meticulous diatomite of 10 parts, the ZR coating powder of 5 parts, the antiultraviolet inorganic powder of 3 parts, the reflective powder of 3 parts, 10 parts of titanium dioxides and 10 parts of coarse whitings, stir 10 ~ 15min under the rotating speed of 1500 ~ 2000r/min, make it abundant dispersion, the film coalescence aid high speed dispersion 5 ~ 8min then adding 2.5 parts obtains dispersion system; Then under stirring at low speed condition, add the pure acrylate emulsion of 33 parts and the polymkeric substance Unihub E of 8 parts, after stirring, add pH adjusting agent adjust ph to 7 ~ 9 of 0.2 part; Stir under the rotating speed of 200 ~ 350r/min again, then slowly add the hollow glass micropearl of 8 parts and stir to the hollow glass micropearl that suspension is can't see on surface; Finally add the thickening material of 0.3 part, the defoamer of 0.3 part and the Antisepticize and mildew preventive of 0.2 part, stir 10 ~ 15min and can tinning store after evenly.
As shown in table 1, by the properties of the Indexs measure coating in CB/T9755-2001 " exterior wall coating material of synthetic resin emulsion ", detected result shows that every conventional performance index of this coating all complies with the national standard requirements.
As shown in table 2, the test of heat insulation temperature difference effect is carried out by method described in JG/T235-2008 " architectural reflective heat-insulation paint " standard, with the blank test plate (panel) that fiber reinforced calcium silicate board is the experiment of the heat insulation temperature difference, the obtained test of 120 μm of line rod spreader twice is adopted to use heat insulation test plate (panel), heat insulating temperature difference testing is carried out after dry 7d, light source adopts the heating lamp of two 250 watts to irradiate, irradiation time is 1h, a secondary data is recorded every 5min, under same light source irradiates, heat insulation test plate (panel) and blank model are carried out the heat insulation temperature difference to contrast, heat insulation test plate (panel) is lower than blank model 16.9 DEG C, after 5 stain resistant circulations, the heat insulation temperature difference decays to 4.9 DEG C, and therefore, the present invention has good reflective insulation effect.
Table 1
Note: examining report is gone out by National Hazard chemical Quality Supervision and Inspection Center.
Table 2
| Interventions Requested | Standard-required | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Sun reflectivity (white) | ≥0.83 | 0.85 | 0.87 | 0.88 |
| Hemispherical emissivity | ≥0.85 | 0.85 | 0.88 | 0.91 |
| The heat insulation temperature difference | ≥10℃ | 8.9℃ | 10.3℃ | 16.9℃ |
| Heat insulation temperature difference decay (white) | ≤10℃ | 5.6℃ | 5.9℃ | 4.9℃ |
Note: examining report is gone out by national building materials inspection center.
According to above-described embodiment, just the present invention can be realized well.What deserves to be explained is; under prerequisite based on above-mentioned design, for solving same technical problem, even if some making on the invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it also should in protection scope of the present invention.
Claims (1)
1. high-effect reflective heat-insulation paint, is characterized in that, it is made up of the raw material of following weight part:
Emulsion 25 ~ 38 parts
Polymkeric substance Unihub E5 ~ 10 part
Titanium dioxide 5 ~ 15 parts
Coarse whiting 10 ~ 15 parts
Nano far infrared ceramic powder 2 ~ 6 parts
6 ~ 12 parts, meticulous diatomite
2 ~ 5 parts, ZR coating powder
Antiultraviolet inorganic powder 1 ~ 3 part
1 ~ 3 part, reflective powder
Hollow glass micropearl 5 ~ 10 parts
Dispersion agent 0.4 ~ 0.8 part
Wetting agent 0.2 ~ 0.5 part
PH adjusting agent 0.1 ~ 0.3 part
Film coalescence aid 2 ~ 3 parts
Defoamer 0.5 ~ 0.8 part
Thickening material 0.3 ~ 0.7 part
Antisepticize and mildew preventive 0.1 ~ 0.3 part
15 ~ 25 parts, water;
Its preparation method is as follows:
(1) by weight part be water, the X of 15 ~ 25 parts
1the thickening material of part, dispersion agent, the X of 0.4 ~ 0.8 part
2the defoamer of part and the wetting agent of 0.2 ~ 0.5 part add in the plastics pot of a liter successively, stir 5 ~ 8min to mixing;
(2) in the above-mentioned solution stirred, slowly add the nano far infrared ceramic powder of 2 ~ 6 parts, the meticulous diatomite of 6 ~ 12 parts, the ZR coating powder of 2 ~ 5 parts, the antiultraviolet inorganic powder of 1 ~ 3 part, the reflective powder of 1 ~ 3 part, 5 ~ 15 parts of titanium dioxides and 10 ~ 15 parts of coarse whitings, stir 10 ~ 15min under the rotating speed of 1500 ~ 2000r/min, make it abundant dispersion, then the film coalescence aid high speed dispersion 5 ~ 8min adding 2 ~ 3 parts obtains dispersion system;
(3) the above-mentioned dispersion system of stirring at low speed, adds the emulsion of 25 ~ 38 parts and the polymkeric substance Unihub E of 5 ~ 10 parts, after stirring, adds pH adjusting agent adjust ph to 7 ~ 9 of 0.1 ~ 0.3 part;
(4) stir under the rotating speed of 200 ~ 350r/min, then slowly add the hollow glass micropearl of 5 ~ 10 parts and stir to the hollow glass micropearl that suspension is can't see on surface;
(5) Y is added
1thickening material, the Y of part
2the defoamer of part and the Antisepticize and mildew preventive uniform stirring 10 ~ 15min of 0.1 ~ 0.3 part, obtain product;
Wherein, 0.3≤X
1+ Y
1≤ 0.7,0.5≤X
2+ Y
2≤ 0.8; And X
1≠ 0, Y
1≠ 0, X
2≠ 0, Y
2≠ 0;
Described emulsion is pure acrylate emulsion.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105001756A (en) * | 2015-07-08 | 2015-10-28 | 当涂县科辉商贸有限公司 | Super thermal insulation coating and preparation method therefor |
| CN105001754A (en) * | 2015-07-08 | 2015-10-28 | 当涂县科辉商贸有限公司 | Nano far-infrared ceramic powder loading super thermal insulation coating and preparation method therefor |
| CN105419531A (en) * | 2016-01-26 | 2016-03-23 | 哈尔滨艾斯贝科科技发展有限公司 | Preparing method of superhigh-sunshine reflectance ratio coating |
| CN105838180A (en) * | 2016-04-01 | 2016-08-10 | 江苏绿能环保集成木屋有限公司 | Waterborne fireproof heat-insulation paint for wooden building and preparation method thereof |
| CN105733384A (en) * | 2016-04-22 | 2016-07-06 | 哈尔滨理工大学 | Preparation method of cool and sunlight-reflective waterproof coating for roof and outer wall |
| CN107603367A (en) * | 2017-09-29 | 2018-01-19 | 常熟三爱富中昊化工新材料有限公司 | A kind of feature waterborne fluoro emulsion and preparation method thereof |
| CN110628285A (en) * | 2019-10-29 | 2019-12-31 | 天津宝丽杰涂料有限公司 | Environment-friendly coating with heat insulation effect |
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| CN101319121A (en) * | 2008-06-03 | 2008-12-10 | 董善刚 | Multifunctional high-efficiency thermal insulation insulating mold paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101319121A (en) * | 2008-06-03 | 2008-12-10 | 董善刚 | Multifunctional high-efficiency thermal insulation insulating mold paint |
Non-Patent Citations (1)
| Title |
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| "高效外墙隔热涂料的配制及性能研究";彭红;《中国优秀硕士学位论文全文数据库》;20091215(第12期);摘要，第15、22-24、34-35、40-42、50-53页 * |
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