CN103896536A - Building external wall thermal insulating powder coating, and preparation method thereof - Google Patents
Building external wall thermal insulating powder coating, and preparation method thereof Download PDFInfo
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- CN103896536A CN103896536A CN201210571808.6A CN201210571808A CN103896536A CN 103896536 A CN103896536 A CN 103896536A CN 201210571808 A CN201210571808 A CN 201210571808A CN 103896536 A CN103896536 A CN 103896536A
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Abstract
The invention provides a building external wall thermal insulating powder coating. The building external wall thermal insulating powder coating comprises, by weight, 16 to 21 parts of silicate cement, 1.5 to 2 parts of high-alumina cement, 8 to 15 parts of hollow ceramic particle, 3 to 7 parts of Infrared reflective powder, 1 to 2 parts of vinyl acetate-ethylene polymer, 0.02 to 0.5 part of hydroxyethyl methyl cellulose, 0.1 to 0.3 part of an antifoaming agent, 0.1 to 0.4 part of a water reducing agent, 0.1 to 0.5 part of a waterproof agent, 8 to 10 parts of kaolin, 5 to 7 parts of heavy calcium carbonate, 0.01 to 0.02 part of alkali resistant glass fiber, and 35 to 58 parts of an inorganic filling material. The invention also provides a preparation method of the building external wall thermal insulating powder coating.
Description
Technical field
The invention belongs to building coating technical field, be specifically related to a kind of building exterior wall heat preserving heat-insulating powder coating and preparation method thereof.
Background technology
In recent years, construction industry has developed into mainstay of the national economy industry gradually, and the proportion of building coating in coating is also soaring year by year, accounts for 40% of coating total amount, is wherein applied in exterior wall decorating coating, has exceeded 35% of building coating.Building coating is directly connected to people's Health and Living environment, is reflecting people's standard of living.Along with the modern life, culture and socioeconomic development, the requirements at the higher level of people to building coating, have determined the development trend of future architecture coating.
Powder coating is solid content 1 00%, the solvent-free Powdered coating that obtains.Due to solvent-free pollution, 100% film forming, energy consumption is low compared with water-borne coatings and high solid coating, and film has good mechanicalness and corrosion resistance nature, thereby becomes one of direction of building coating development.Present stage, powder coating used for building exterior wall is only focused on decoration functions, coating adhesion is poor, there is no elasticity, easily cracking, the easily accumulation of salt in the surface soil, its insulation, the poor-performing such as heat insulation, can not meet greening building energy saving needs, can only apply and general decoration of exterior wall engineering, in high-end green building exterior wall, be restricted.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defect of prior art, and a kind of building exterior wall heat preserving heat-insulating powder coating and preparation method thereof is provided.
The invention provides a kind of building exterior wall heat preserving heat-insulating powder coating, it comprises the component of following parts by weight:
16～21 parts of silicate cements;
1.5～2 parts of high-alumina cements;
8～15 parts of hollow ceramic particles;
3～7 parts of infrared external reflection powders;
1～2 part of vinyl acetate-ethene polymers;
0.02～0.5 part, methyl hydroxyethylcellulose ether;
0.1～0.3 part of defoamer;
0.1～0.4 part of water reducer;
0.1～0.5 part of water-resisting agent;
8～10 parts of kaolin;
5～7 parts of coarse whitings;
0.01～0.02 part of alkali resistant glass;
35～58 parts of mineral fillers.
The present invention also provides a kind of preparation method of building exterior wall heat preserving heat-insulating powder coating, and it comprises the steps:
Take each component according to the formula of above-mentioned building exterior wall heat preserving heat-insulating powder coating;
Described each component is mixed, obtain described building exterior wall heat preserving heat-insulating powder coating.
The building exterior wall heat preserving heat-insulating powder coating that the embodiment of the present invention provides, by add vinyl acetate-ethene polymers in silicate cement, inorganic silicic acid salt cement is carried out to modification, in the situation that not changing the original high performance such as weather-proof, ageing-resistant of inorganic coating, greatly improve paint film flexibility and sticking power.In addition, the present invention selects hollow ceramic particle, improves coating protection performance.Add infrared emission material simultaneously, make coating there is heat emission function.By adding various pigment, natural finiss filler, functional aid means; improve coating decoration and to skin protective value; making powder coating be applied in external wall becomes possibility, has decoration, insulation, reflective insulation function, meets greening building energy saving demand.This building exterior wall heat preserving heat-insulating powder coating construction is simple, and the stirring that adds water when use, can construct by spraying, brushing or blade coating mode, practical, applied range.Further, this building exterior wall heat preserving heat-insulating powder coating preparation method is convenient, material is easy to get, technique is simple, effect is remarkable.Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of building exterior wall heat preserving heat-insulating powder coating, and it comprises the component of following parts by weight:
16～21 parts of silicate cements;
1.5～2 parts of high-alumina cements;
8～15 parts of hollow ceramic particles;
3～7 parts of infrared external reflection powders;
1～2 part of vinyl acetate-ethene polymers;
0.02～0.5 part, methyl hydroxyethylcellulose ether;
0.1～0.3 part of defoamer;
0.1～0.4 part of water reducer;
0.1～0.5 part of water-resisting agent;
8～10 parts of kaolin;
5～7 parts of coarse whitings;
0.01～0.02 part of alkali resistant glass;
35～58 parts of mineral fillers.
Preferably, described silicate cement is white portland cement, and to press 9:1 composite with high-alumina cement, effectively plays rapid hardening and early strong effect, the Ca (OH) discharging when high-alumina cement can consume silicate cement hydration simultaneously
3, reduce the coating accumulation of salt in the surface soil.
Described vinyl acetate-ethene polymers Tg temperature is 9 ℃, and by polymer modification, coating formation, by the inorganic frame system forming with organic polymer, increases coating self force of cohesion, improves self intensity.Organic polymer is selected suitable Tg temperature, makes crisp hard material originally become pliable and tough, flexible, improves crack resistance.By adding organic polymer, coating adhering mode is changed, from original mechanical build-in, become reactive force and other materials surface between mechanical build-in and polymer molecule and bond, effectively improve the sticking power of coating at multiple organic and inorganic substrate.In pull-out test, not adding described vinyl acetate-polyvinyl mortar pull strength is 0.6MPa left and right, is 1.0～1.4MPa and add described vinyl acetate-polyvinyl mortar pull strength.
It is 100kg/m that described hollow ceramic particle is preferably selected unit weight
3, diameter is 30～50 order dead front type hollow ceramic particles.This material thermal conductivity is 0.035 ~ 0.044w/ (mk).Adding of dead front type hollow ceramic particle, can effectively reduce coating overall thermal conductivity, strengthen heat-insulating property.Ordinary mortar thermal conductivity is generally at 1.0w/(m.k), adopt in described that altogether ceramic particle is as filler, thermal conductivity can be reduced to 0.055 ~ 0.075w/(m.k).
Described infrared external reflection powder is preferably nano level infrared reflective material, can make coating have best infrared reflection rate, reduces the absorption to solar energy, reduces coatingsurface heat accumulation.Shine upon down on an equal basis, do not add this material and add this material mortar coating surface, temperature differs 30 ℃～40 ℃.
Described water-resisting agent is preferably selected organosilicon polymer powder; its dispersing property and hydrophobicity performance are good; can be along with the volatilization of moisture moves to coatingsurface; and at surface property hydrophobic protective layer; make both tool maintenance ventilation properties of coating; there is again water-proof function, effectively stop water to be penetrated in coating, reduce accumulation of salt in the surface soil situation.
Described mineral filler comprises conventional mineral filler and mineral dye filler, and the mineral filler of described routine can be the mineral fillers such as river sand, granite.For improving application performance, it is 10～100 orders that described mineral filler is pulverized.
Particularly, described kaolin and coarse whiting are of a size of 100～1000 orders.
The building exterior wall heat preserving heat-insulating powder coating that the embodiment of the present invention provides, adopt white portland cement as filmogen, utilize vinyl acetate-ethene polymers to inorganic silicate modified cement, be equipped with dead front type hollow ceramic particle, nano level infrared emission material pigment, natural inorganic decoration filler, organosilicon functional aids etc., make coating have good sticking power, ornamental strong, good heat insulating, has good reflex action to the infrared wavelength part of generating heat in sunlight.
The embodiment of the present invention also provides a kind of preparation method of building exterior wall heat preserving heat-insulating powder coating, and it comprises the steps:
S01: take each component according to the formula of above-mentioned building exterior wall heat preserving heat-insulating powder coating;
S02: described each component is mixed, obtain described building exterior wall heat preserving heat-insulating powder coating.
Particularly, in step S01, all material weighings are accurate, are accurate to 0.001 kilogram.Each component preferred content and kind in described building exterior wall heat preserving heat-insulating powder coating formula are described above, in order to save length, do not repeat them here.
In step S02, preferably, more even in order to mix, described each component adds successively according to the order of silicate cement, high-alumina cement, hollow ceramic particle, nanometer infrared external reflection powder, vinyl acetate-ethene polymers, methyl hydroxyethylcellulose ether, defoamer, water reducer, water-resisting agent, kaolin, coarse whiting, alkali resistant glass and mineral filler.
The preparation method of the building exterior wall heat preserving heat-insulating powder coating that the embodiment of the present invention provides, production technique is simple, easily controls.
By concrete formula and preparation method's embodiment, above-mentioned building exterior wall heat preserving heat-insulating powder coating and preparation method thereof is described below.
Embodiment 1:
In single mixing dry-mix stirrer, add successively the component of following weight fraction: 16 parts of white portland cements (325 model), 1.6 parts of high-alumina cements (Honoka board special cement), 8 parts of dead front type hollow ceramic particles (Guangzhou haydite Building Materials Factory), 3 parts of nanometer infrared external reflection powders (U.S. Xue Te), 1 part of vinyl acetate-ethene polymers (Wa Ke), 0.05 part of methyl hydroxyethylcellulose ether (Bayer), 0.2 part of defoamer (Hexion), 0.1 part of water reducer, 0.15 part of water-resisting agent (Wa Ke), 8 parts of kaolin (800 order), 7 parts of coarse whitings (400 order), 0.01 part of alkali resistant glass, 15 parts of river sand (20 order), 25 parts of river sand (40 order) and 15 parts of river sand (80 order), be uniformly mixed, obtain described heat insulating powder coating.
Embodiment 2:
In single mixing dry-mix stirrer, add successively the component of following weight fraction: 18 parts of white portland cements (325 model), 1.8 parts of high-alumina cements (Honoka board special cement), 10.5 parts of dead front type hollow ceramic particles (Guangzhou haydite Building Materials Factory), 5 parts of nanometer infrared external reflection powders (U.S. Xue Te), 2 parts of vinyl acetate-ethene polymerss (Wa Ke), 0.09 part of methyl hydroxyethylcellulose ether (Bayer), 0.2 part of defoamer (Hexion), 0.15 part of water reducer, 0.25 part of water-resisting agent (Wa Ke), 8 parts of kaolin (800 order), 7 parts of coarse whitings (400 order), 0.01 part of alkali resistant glass, 12 parts of river sand (20 order), 20 parts of river sand (40 order) and 15 parts of river sand (80 order), be uniformly mixed, obtain described heat insulating powder coating.
Embodiment 3:
In single mixing dry-mix stirrer, add successively the component of following weight fraction: 18 parts of white portland cements (325 model), 1.8 parts of high-alumina cements (Honoka board special cement), 12.5 parts of dead front type hollow ceramic particles (Guangzhou haydite Building Materials Factory), 5 parts of nanometer infrared external reflection powders (U.S. Xue Te), 2 parts of vinyl acetate-ethene polymerss (Wa Ke), 0.09 part of methyl hydroxyethylcellulose ether (Bayer), 0.2 part of defoamer (Hexion), 0.15 part of water reducer, 0.25 part of water-resisting agent (Wa Ke), 8 parts of kaolin (800 order), 7 parts of coarse whitings (400 order), 0.01 part of alkali resistant glass, 10 parts of river sand (20 order), 20 parts of river sand (40 order) and 15 parts of river sand (80 order), be uniformly mixed, obtain described heat insulating powder coating.
Embodiment 4:
In single mixing dry-mix stirrer, add successively the component of following weight fraction: 21 parts of white portland cements (325 model), 2 parts of high-alumina cements (Honoka board special cement), 15 parts of dead front type hollow ceramic particles (Guangzhou haydite Building Materials Factory), 7 parts of nanometer infrared external reflection powders (U.S. Xue Te), 3 parts of vinyl acetate-ethene polymerss (Wa Ke), 0.19 part of methyl hydroxyethylcellulose ether (Bayer), 0.3 part of defoamer (Hexion), 0.2 part of water reducer, 0.3 part of water-resisting agent (Wa Ke), 10 parts of kaolin (800 order), 7 parts of coarse whitings (400 order), 0.01 part of alkali resistant glass, 8 parts of river sand (20 order), 16 parts of river sand (40 order) and 10 parts of river sand (80 order), be uniformly mixed, obtain described heat insulating powder coating.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a building exterior wall heat preserving heat-insulating powder coating, is characterized in that, comprises the component of following parts by weight:
16～21 parts of silicate cements;
1.5～2 parts of high-alumina cements;
8～15 parts of hollow ceramic particles;
3～7 parts of infrared external reflection powders;
1～2 part of vinyl acetate-ethene polymers;
0.02～0.5 part, methyl hydroxyethylcellulose ether;
0.1～0.3 part of defoamer;
0.1～0.4 part of water reducer;
0.1～0.5 part of water-resisting agent;
8～10 parts of kaolin;
5～7 parts of coarse whitings;
0.01～0.02 part of alkali resistant glass;
35～58 parts of mineral fillers.
2. building exterior wall heat preserving heat-insulating powder coating according to claim 1, is characterized in that, described silicate cement is white portland cement.
3. building exterior wall heat preserving heat-insulating powder coating according to claim 1, is characterized in that, the mass ratio of described silicate cement and described high-alumina cement is 9:1.
4. building exterior wall heat preserving heat-insulating powder coating according to claim 1, is characterized in that, described vinyl acetate-polyvinyl Tg is 9 ℃.
5. building exterior wall heat preserving heat-insulating powder coating according to claim 1, is characterized in that, described hollow ceramic is dead front type hollow ceramic particle, and diameter is 30～50 orders.
6. building exterior wall heat preserving heat-insulating powder coating according to claim 1, is characterized in that, described water-resisting agent is organosilicon polymer.
7. building exterior wall heat preserving heat-insulating powder coating according to claim 1, is characterized in that, described mineral filler is of a size of 10～100 orders.
8. building exterior wall heat preserving heat-insulating powder coating according to claim 1, is characterized in that, described infrared external reflection powder is nano level, and described kaolin and coarse whiting are of a size of 100～1000 orders.
9. a preparation method for building exterior wall heat preserving heat-insulating powder coating, it comprises the steps:
Take each component by the formula of the arbitrary described building exterior wall heat preserving heat-insulating powder coating of claim 1～8;
Described each component is mixed, obtain described building exterior wall heat preserving heat-insulating powder coating.
10. the preparation method of building exterior wall heat preserving heat-insulating powder coating according to claim 9, it is characterized in that, the order of addition of described each component is followed successively by silicate cement, high-alumina cement, hollow ceramic particle, nanometer infrared external reflection powder, vinyl acetate-ethene polymers, methyl hydroxyethylcellulose ether, defoamer, water reducer, water-resisting agent, kaolin, coarse whiting, alkali resistant glass and mineral filler.
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| CN201210571808.6A CN103896536A (en) | 2012-12-25 | 2012-12-25 | Building external wall thermal insulating powder coating, and preparation method thereof |
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| CN201210571808.6A CN103896536A (en) | 2012-12-25 | 2012-12-25 | Building external wall thermal insulating powder coating, and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104263125A (en) * | 2014-09-04 | 2015-01-07 | 青阳县双龙涂料有限责任公司 | Polymer exterior wall paint |
| CN110482961A (en) * | 2019-09-18 | 2019-11-22 | 深圳市嘉达高科产业发展有限公司 | A kind of building waste water-permeable brick and preparation method thereof |
| CN115124284A (en) * | 2021-03-25 | 2022-09-30 | 振中建设集团有限公司 | Novel heat-preservation masonry mortar |
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Patent Citations (5)
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| CA2617163A1 (en) * | 2005-07-29 | 2007-02-08 | Specialty Composites, Llc | Cement-containing composition for use with alkali-resistant fiberglass and poles made therefrom |
| CN101200611A (en) * | 2007-11-30 | 2008-06-18 | 江南大学 | Insulation paint having both radiation heat insulation and obstructing type heat insulation and method for making same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104263125A (en) * | 2014-09-04 | 2015-01-07 | 青阳县双龙涂料有限责任公司 | Polymer exterior wall paint |
| CN110482961A (en) * | 2019-09-18 | 2019-11-22 | 深圳市嘉达高科产业发展有限公司 | A kind of building waste water-permeable brick and preparation method thereof |
| CN115124284A (en) * | 2021-03-25 | 2022-09-30 | 振中建设集团有限公司 | Novel heat-preservation masonry mortar |
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Application publication date: 20140702 |