CN1194058C - Multi-functional construction external wall nano coating material and its preparing method - Google Patents
Multi-functional construction external wall nano coating material and its preparing method Download PDFInfo
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- CN1194058C CN1194058C CNB031180299A CN03118029A CN1194058C CN 1194058 C CN1194058 C CN 1194058C CN B031180299 A CNB031180299 A CN B031180299A CN 03118029 A CN03118029 A CN 03118029A CN 1194058 C CN1194058 C CN 1194058C
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Abstract
The present invention relates to a multifunctional nanometer coating for building outer walls, which comprises water, dispersing agent, calgon, preservative agent, thickening agent, defoaming agent, nanometer TiO2, nanometer ZnO, nanometer SiO2, sericite, calcium carbonate superfine powder, titanium dioxide, kaolin, silicone-acrylic emulsion, ammonia water, film-forming assistant agent, flatting agent and antifreezing agent. The present invention also provides a preparing method for the coating, and the preparing method comprises that nanometer components are pretreated, the nanometer components with disperser uniformly mixed, the sodium hexametaphosphate and the disperser are filled in water to be stirred, and other components are filled by step to uniformly disperse, and finished products can be formed by filling. The present invention improves the combination properties of the coating, and particularly has the functions of high scouring resistance, weather resistance, antibiotic self-cleaning, etc.; each performance index of the present invention is superior to the standard of national excellent products, and the content of harmful substances is lower than the limit value of the national standard; the coating is a multifunctional green environmental protection type building coating with high performance.
Description
Technical field: the invention belongs to building coating and preparation method thereof, be specifically related to Multi-functional Environment-protecting Type Nanometer Interior Wall Coatinging And Preparation Method.
Background technology: existing building external paint shows that mainly resistance of aging is poor, easily efflorescence, easy to change; poor adhesive force easily comes off, and contamination resistance energy and wash-resistant property are poor; this not only influences the decoration to buildings, and influence is to the protection of buildings.So improving performance, especially its ageing-resistant performance of building external paint is the key of coating development.For this target, a lot of people have done a large amount of work, and this this work mainly is on the performance that improves emulsion, color stuffing, auxiliary agent and their mutual dispersion thereof, compatible and stability.Add functional nano-component, also have a few peoples to attempt.Be in 01107541.4 the application for a patent for invention " emulsion exterior coating and preparation thereof ", just in coating, to have added 2.5～4% nanoparticle (nano-TiO as application number
2), with absorption and light reflection ultraviolet, thereby the protection resin exempts from decomposition, makes the long-lived target of coating to reach.The coating of the introduction on this patent specification, but just absorb ultraviolet ray, medium-sized TiO
2Also has this function, nano-TiO
2Also have photocatalytic, it when having certain sterilization antibacterial, also affects the intensity of coating and the weathering resistance of coating at decomposing organic matter.
Summary of the invention: the technical problem to be solved in the present invention is exactly at the problems referred to above, chosen that organosilicon crylic acid latex is as base-material preferably with weathering resistance, preferred corresponding adjuvants and color stuffing have especially added multiple functional nano-component, the optimization design of feed composition is optimized technical process.Provide a kind of composite Nano component and emulsion, auxiliary agent and color stuffing component to have consistency, dispersiveness and stable preferably, and have antibiosis and self-cleaning functions, a superpower abrasion resistance function, high-weatherability, high dirt resistance, the high feature of environmental protection and hypotoxicity, every index are better than the multifunctional nano building external paint and preparation method thereof of the index of national dope for inner wall of architecture premium grads greatly.
Multifunctional nano exterior coating of the present invention, its quality is composed as follows:
Water 18～28kg, dispersion agent 0.3～0.8kg, Sodium hexametaphosphate 99 0.3～0.4kg, sanitas 0.1～0.2kg, thickening material 0.2～0.8kg, defoamer 0.2～0.5kg, nano-TiO
20.5～4.0kg, nano-ZnO 0.5～4.0kg, nanometer SiO
20.5～5.0kg, sericite 2.0～5.0kg, calcium carbonate superfine powder 13～18kg, titanium dioxide 13～18kg, kaolin 4～6.5kg, organosilicon crylic acid latex 20～40kg, ammoniacal liquor 0.15～0.2kg, film coalescence aid 1.5～2.5kg, flow agent 0.15～0.3kg, frostproofer 1.8～3.0kg.
Preparation method of the present invention is:
1, nano-component pre-treatment: get the dispersion agent of the 3-7% that is equivalent to the nano-component quality, with being equivalent to disperse the water of 1 times to 3 times of dosage that it is diluted, be sprayed at equably on the nano-component again, 5-24h is left standstill in uniform mixing, and is standby.
2, add an amount of water in the Scattered Kettle that has high speed shear dispersion machine or homogenizer, add and the uniform nano-component of dispersant and Sodium hexametaphosphate 99 and remaining dispersion agent, high speed shear or high-speed stirring are 10～30 minutes again.
3, the speed of high speed shear dispersion machine or homogenizer is turned down, added sericite, calcium carbonate superfine powder, titanium dioxide, kaolin, sanitas, part thickening material and part defoamer, high speed dispersion is 30～60 minutes again, surveys granularity.
4, add organosilicon crylic acid latex, film coalescence aid, remaining defoamer, flow agent, frostproofer successively, dispersed with stirring is 20～30 minutes at a slow speed, and with ammoniacal liquor the scope of pH value is transferred between 8～9, adds remaining thickening material again and regulates viscosity, be uniformly dispersed, can gets product.
The present invention passes through continuing to add the dispersion agent component in the pre-treatment of nano-component and the subsequent technique, can guarantee the abundant dispersion of nano-component, make nano-component and emulsion, auxiliary agent and color stuffing component have consistency preferably, make the prepared coating performance more stable.Use multiple nano-component simultaneously, the synergistic effect and the performance complement of each nano-component can have been given play to, and weaken or avoid being introduced separately into the deficiency that nano-component brings, thereby improved the over-all properties of coating greatly, particularly had functions such as superpower abrasion resistance, weathering resistance and antibiosis and self-cleaning.Multifunctional nano building coating of the present invention, its every performance index are better than the standard of national premium grads greatly, and harmful substance contents is the value of limiting the quantity of in the national standard then, is a kind of high-performance and multifunction green environment protecting building paint.
Embodiment:
Embodiment 1:
Prescription is (total mass is in 100kg), water: 24kg, and dispersion agent (731A): 0.40kg, Sodium hexametaphosphate 99: 0.31kg, sanitas (Ks-2): 0.11kg, two kinds of thickening materials, Natvosol and AT-06 are respectively 0.35kg and 0.20kg.Defoamer (F-111): 0.4kg, nano zine oxide: 2kg, nano silicon: 1kg, nano titanium oxide: 1kg, sericite: 4.5kg, calcium carbonate superfine powder powder: 12.0kg, Rutile type Titanium Dioxide: 13.6kg, kaolin: 5.9kg, silicon third (or pure third) emulsion: 30kg, ammoniacal liquor: 0.2kg, film coalescence aid (alcohol ester-12): 1.8kg, flow agent (RM2020): 0.23kg, antifreezing agent (propylene glycol): 2kg.
Preparation process is as follows:
1, by the prescription requirement, weighing nano zine oxide 2kg, nano titanium oxide 1kg and nano silicon 1kg place mixing tank respectively, stir.
2, take by weighing the 731A dispersion agent of 0.20kg, add 0.30kg water, water with even with the 731A dispersant, is sprayed onto in the mixing tank that nanometer powder is housed again, make it and the nano-component uniform mixing, the airtight 6～7h that leaves standstill, standby.
3, in having the Scattered Kettle of high speed agitator, add 23.7kg water, add the nano-component that step 2. handled, Sodium hexametaphosphate 99 and the 0.20kg 731A dispersion agent of 0.31kg successively, high-speed stirring 20 minutes makes it abundant dispersion.
4, slow down stirring velocity, add 4.5kg sericite, 12.0kg calcium carbonate superfine powder powder, 13.6kg Rutile type Titanium Dioxide successively, 5.9kg calcined kaolin, 0.11kg sanitas (Ks-2), 0.35kg thickening material (Natvosol), 0.25kg defoamer (F-111), high-speed stirring was disperseed 60 minutes again, made it abundant dispersion, surveyed granularity.
5, slow down stirring velocity, add 30kg silicon third (or pure third) emulsion successively, 0.15kg defoamer (F-111), 1.8kg film coalescence aid (alcohol ester-12), 0.23kg flow agent (RM2020): 2.0kg antifreezing agent (propylene glycol), stir at a slow speed, and with 0.2kg ammoniacal liquor the scope of pH value be transferred between 8～9,0.20kg thickening material (D-105) is adjusted to suitable value with dope viscosity, tinning had both got finished product.
Can add the water of coating gross weight 10% when 6, constructing, stir 10 minutes, it is mixed, can use after the toning.Before the brushing, the bottoming of used water material-mud, and smooth with sand papering.Adopt felt roller brush application, brushing coating of the present invention, coatingsurface is bright and clean smooth, good leveling property, coatingsurface is beautiful, anti-contamination, scrub resistance is good, and through exposing to the weather of several months, paint film, color and luster are as excellent as before.
Embodiment 2:
Prescription is (total mass is in 100kg): water: 26kg, dispersion agent (731A): 0.31kg, Sodium hexametaphosphate 99: 0.31kg, sanitas (Ks-2): 0.13kg, thickening material, Natvosol and D-105 are respectively 0.35kg and 0.20kg, defoamer (8034): 0.34kg, nano-ZnO: 1.5kg, nano-TiO
2: 1.5kg, nanometer SiO
2: 1.0kg, sericite: 3.3kg, calcium carbonate superfine powder: 12.0kg, titanium dioxide: 13.0kg, kaolin: 5.85kg, silicon third (or pure third) emulsion: 30kg, ammoniacal liquor: 0.18kg, film coalescence aid: 1.83kg, flow agent (RM2020): 0.28kg, antifreezing agent: 1.92kg.
Preparation process is as follows:
1, by the prescription requirement, weighing nano zine oxide 1.5kg, nano titanium oxide 1.5kg and nano silicon 1kg place mixing tank respectively, stir.
2, take by weighing the 731A dispersion agent of 0.20kg, add 0.30kg water, water with even with the 731A dispersant, be sprayed onto to be equipped with again and receive in the mixing tank of powder powder, make it and the nano-component uniform mixing, the airtight 6～7h that leaves standstill, standby.
3, in having the Scattered Kettle of high speed agitator, add 25.7kg water, add the nano-component that step 2. handled, Sodium hexametaphosphate 99 and the 0.11kg 731A dispersion agent of 0.31kg successively, high-speed stirring 20 minutes makes it abundant dispersion.
4, slow down stirring velocity, add 3.3kg sericite, 12.0kg calcium carbonate superfine powder powder, 13.0kg Rutile type Titanium Dioxide successively, 5.85kg calcined kaolin, 0.13kg sanitas (Ks-2), 0.35kg thickening material (Natvosol), 0.20kg defoamer (8034), high-speed stirring was disperseed 60 minutes again, made it abundant dispersion, surveyed granularity.
5, slow down stirring velocity again, add 30kg silicon third (or pure third) emulsion successively, 0.14kg defoamer (8034), 1.83kg film coalescence aid (alcohol ester-12), 0.28kg flow agent (RM2020): 1.92kg antifreezing agent (propylene glycol), stir at a slow speed, and with 0.18kg ammoniacal liquor the scope of pH value be transferred between 8～9,0.20kg thickening material (D-105) is adjusted to suitable value with dope viscosity, tinning had both got finished product.
10% of adding coating gross weight water stirred 10 minutes, and mixes colours when 6, constructing, and its temperature is closed evenly, can use after the toning.Before the coating brushing, exterior wall is floating and polishing through white cement, and the metope cleaning is smooth, exsiccant.The slurry bottoming, and smooth with sand papering.Adopt felt roller brush application, brushing coating of the present invention, coatingsurface is bright and clean smooth, good leveling property, coatingsurface is beautiful, anti-contamination, scrub resistance is good, and is through several months expose to the weather, as excellent as before.
Product is through Performance Detection, and excellent performance contrasts as follows with national standard:
| Sequence number | Test item | Standard index | Exterior coating of the present invention | |||
| Premium grads | Acceptable end product | Salable product | ||||
| 1. | State in the container | No lump is uniform state after the stirring | No lump is uniform state after the stirring | |||
| 2. | Application property | It is accessible to brush two roads | It is accessible to brush two roads | |||
| 3. | Low-temperature stability | 3 circulations are never degenerated | 3 circulations are never degenerated | |||
| 4. | Time of drying | Surface drying≤2h | 1h | |||
| 5. | Appearance of film | Normally | Normally | |||
| 6. | Water tolerance | 96h is no abnormal | 96h is no abnormal | |||
| 7. | Alkali resistance | 48h is no abnormal | 48h is no abnormal | |||
| 8. | The coating temperature-change resistance | 5 circulations are no abnormal | 5 circulations are no abnormal | |||
| 9. | Contrast ratio | ≥0.93 | ≥0.90 | ≥0.87 | 0.94 | |
| 10. | Abrasion resistance/time | ≥2000 | ≥1000 | ≥500 | 50000 times are not show-through | |
| 11. | Contamination resistance | ≤15％ | ≤15％ | ≤20％ | ≤2.2％ | |
| 12. | Artificial ageing resistance | Digestion time | 600h | 400h | 250h | 600h |
| Efflorescence | ≤1 | 1 grade | ||||
| Variable color | ≤2 | 0 grade (aberration is 1.0) | ||||
| Appearance change | Do not have bubble, peel off, crackle | Do not have bubble, peel off, crackle | ||||
| 13. * | Antimildew and antibacterial/level | 0 grade | ||||
Claims (2)
1, a kind of multifunctional nano building external paint, it is characterized in that: its quality is composed as follows:
Water 18～28kg, dispersion agent 0.3～0.8kg, Sodium hexametaphosphate 99 0.3～0.4kg, sanitas 0.1～0.2kg, thickening material 0.2～0.8kg, defoamer 0.2～0.5kg, nano-TiO
20.5～4.0kg, nano-ZnO 0.5～4.0kg, nanometer SiO
20.5～5.0kg, sericite 2.0～5.0kg, calcium carbonate superfine powder 13～18kg, titanium dioxide 13～18kg, kaolin 4～6.5kg, organosilicon crylic acid latex 20～40kg, ammoniacal liquor 0.15～0.2kg, film coalescence aid 1.5～2.5kg, flow agent 0.15～0.3kg, frostproofer 1.8～3.0kg.
2, a kind of preparation method of multifunctional nano building external paint as claimed in claim 1 is characterized by, and described preparation method's processing step is as follows:
1. nano-component pre-treatment: get the dispersion agent of the 3-7% that is equivalent to the nano-component quality, with being equivalent to disperse the water of 1 times to 3 times of dosage that it is diluted, be sprayed at equably on the nano-component again, 5-24h is left standstill in uniform mixing, and is standby;
2. add an amount of water in the Scattered Kettle that has high speed shear dispersion machine or homogenizer, add and the uniform nano-component of dispersant and Sodium hexametaphosphate 99 and remaining dispersion agent, high speed shear or high-speed stirring are 10～30 minutes again;
3. the speed of high speed shear dispersion machine or homogenizer is turned down, added sericite, calcium carbonate superfine powder, titanium dioxide, kaolin, sanitas, part thickening material and part defoamer, high speed dispersion is 30～60 minutes again, surveys granularity;
4. add organosilicon crylic acid latex, film coalescence aid, remaining defoamer, flow agent, frostproofer successively, dispersed with stirring is 20～30 minutes at a slow speed, and with ammoniacal liquor the scope of pH value is transferred between 8～9, adds remaining thickening material again and regulates viscosity, be uniformly dispersed, can gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031180299A CN1194058C (en) | 2003-01-20 | 2003-01-20 | Multi-functional construction external wall nano coating material and its preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031180299A CN1194058C (en) | 2003-01-20 | 2003-01-20 | Multi-functional construction external wall nano coating material and its preparing method |
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|---|---|
| CN1431266A CN1431266A (en) | 2003-07-23 |
| CN1194058C true CN1194058C (en) | 2005-03-23 |
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| CNB031180299A Expired - Fee Related CN1194058C (en) | 2003-01-20 | 2003-01-20 | Multi-functional construction external wall nano coating material and its preparing method |
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Families Citing this family (14)
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| CN100381525C (en) * | 2004-07-18 | 2008-04-16 | 何昌霖 | Nano composite wall paint |
| CN1313549C (en) * | 2004-10-30 | 2007-05-02 | 大连容大科技有限公司 | Biological multfunction coating |
| CN100335578C (en) * | 2005-05-26 | 2007-09-05 | 北京科技大学 | Light catalyzed coating modified by nitrogen dopen Nano titanium dioxide and preparation method |
| CN101880501B (en) * | 2010-07-09 | 2012-04-18 | 重庆航利实业有限责任公司 | Nano ZnO/SiO2 sol modified self-cleaning silicone-acrylic exterior wall insulating mould coating |
| CN101948653A (en) * | 2010-09-17 | 2011-01-19 | 中国十七冶集团有限公司 | Nano aqueous interior wall heat insulation paint and preparation method thereof |
| CN102205306A (en) * | 2011-04-07 | 2011-10-05 | 福州大学 | Method for improving surface weather fastness of organic material |
| CN102604537B (en) * | 2012-03-01 | 2014-04-16 | 江苏科技大学 | Water-based metal antiseptic paint and preparation method thereof |
| CN102702901A (en) * | 2012-06-08 | 2012-10-03 | 蒋涛 | Water-based metal anticorrosive paint |
| CN104177962A (en) * | 2013-05-24 | 2014-12-03 | 铜仁市光彩漆业有限公司 | Organosilicon architectural coating produced by constant temperature dispersing synthesis method |
| CN103740244A (en) * | 2013-11-22 | 2014-04-23 | 池州市英派科技有限公司 | Water-based high ultraviolet blocking paint |
| CN104387920A (en) * | 2014-11-12 | 2015-03-04 | 徐妍玲 | Using method of nanometer antibacterial primer |
| CN105176221A (en) * | 2015-11-02 | 2015-12-23 | 淄博夸克医药技术有限公司 | Environmentally-friendly multi-effect nanometer water-based paint |
| CN105925097A (en) * | 2016-06-08 | 2016-09-07 | 安徽真信涂料有限公司 | Nano modified exterior wall coating and preparation method thereof |
| CN110643248A (en) * | 2019-10-29 | 2020-01-03 | 西洞庭凯兴建材有限公司 | Nano emulsion paint and preparation method thereof |
-
2003
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