CN102796412A - Nano intermediate of reflective thermal insulation material and complexometry technology of nano intermediate - Google Patents
Nano intermediate of reflective thermal insulation material and complexometry technology of nano intermediate Download PDFInfo
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- CN102796412A CN102796412A CN2011101495084A CN201110149508A CN102796412A CN 102796412 A CN102796412 A CN 102796412A CN 2011101495084 A CN2011101495084 A CN 2011101495084A CN 201110149508 A CN201110149508 A CN 201110149508A CN 102796412 A CN102796412 A CN 102796412A
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Abstract
The invention discloses a nano intermediate of a reflective thermal insulation material, and the nano intermediate is characterized by being prepared by taking the following raw materials as main ingredients in parts by weight: 0.13-0.16 part of complexing agent, 39 parts of deionized water, 1.2-1.6 parts of nano titanium nitride, 4.5-5.5 parts of nano aluminium oxide, 3.8-4.2 parts of nano zinc oxide, 4.8-5.2 parts of nano silicon oxide, 0.8-1.1 parts of buffer solution, 11-12 parts of calcined kaolin, 4-5 parts of sericite, 3.2-3.8 parts of mildew proof antibacterial agent, 6.0-8.0 parts of antiaging agent and 8.0-9.5 parts of gelling agent. The method comprises the following steps of: dispersively mixing the raw materials in an ethylene diamine tetraacetic acid (EDTA) solution by virtue of a complexometry method so as to obtain the metal nano mother liquor; and performing bead milling and filtering, so as to obtain the nano intermediate. The nano intermediate is beneficial to the stable quality of a heat preservation coating, is good in reflective thermal insulation effect and is multifunctional; and the nano intermediate has the advantages that diversity, environmental friendliness, long service life and high cost performance.
Description
Technical field
The present invention relates to the energy-saving material technical field, specifically a kind of nanostructure intermediate of reflective insulation material and complexometry technology thereof.
Background technology
Current international community all advocating " environmental protection, energy-saving and emission-reduction, low-carbon (LC) life ", brings forward the specific requirement of energy-saving and emission-reduction in the medium-term and long-term development program of China, national every profession and trade all is being devoted to the work of this respect.GB/T25261-2010 " reflective heat-insulation paint for building " standard of implementing on August 1st, 2011; Be easy construction; Steady quality, cost performance application high, environmental protection, low-carbon energy-saving, the high-tech novel material provide foundation, have eliminated the hidden danger of traditional lagging material in security against fire of used for building exterior wall and have reduced the later period maintenance upkeep cost.
But because reflective heat-insulation paint for building is a novel product; The commodity that existing market is sold at present also lack clear and definite standard on its manufacture craft and prescription, the general metal-powder of just using reflective insulation; The simple slurry that adds; Restir mixes the acquisition product, can not give full play to the function of nano material like this, and in normal production, is difficult to guarantee the steady quality of typical products in mass production.
Summary of the invention
The objective of the invention is deficiency to prior art, and the nanostructure intermediate and the complexometry technology thereof of a kind of water-based reflective insulation material that provides.
The present invention mainly is an advantage of having used the EDTA complexometry: make multiple metal nano material; In the basic solution that with EDTA is complexing agent, mix through high speed dispersion, form stable chelate of metal ion; Has the single particle speciality that is uniformly dispersed; Can solve the problem that metal nano material is reunited easily effectively, metal nano material is still existed with the single particle state in final product, give full play to the function in each comfortable system; Realize nano-functional material truly, brought into play the speciality of its nano functional effect to greatest extent.
The concrete technical scheme of embodiment of the present invention purpose is:
A kind of nanostructure intermediate of reflective insulation material of water-based, it is characterized in that it is to be staple, to adopt complexometry with following raw material: respectively metal nano material, adding with EDTA is in the basic solution of complexing agent, mixes through high speed dispersion; After obtaining stable metal nano monomer solution, the monomer solution of metal nano is added in the reaction kettle in proportion in batches, stir, mix, filter; The nano-solution (abbreviation mother liquor) of many metal hybrids, in mother liquor, add all the other raw materials and get into ball mills, filter and obtain, its staple (by weight) is: complexing agent 0.13-0.16 part; 39 parts of deionized waters, Nano titanium nitride 1.2-1.6 part; Nano aluminium oxide 4.5-5.5 part, nano zine oxide 3.8-4.2 part, nano silicon oxide 4.8-5.2 part; Buffered soln 0.8-1.1 part, calcined kaolin 11-12 part, sericite 4-5 part; Antimildew and antibacterial agent 3.2-3.8 part, inhibitor 6.0-8.0 part, jelling agent 8.0-10 part.
Said complexing agent is EDTA Disodium (EDTA).
Said buffered soln is ammoniacal liquor and ammonium chloride.
Said antimildew and antibacterial agent is a nano-titanium oxide.
Said inhibitor is an active nano-aluminium oxide solution.
Said jelling agent is an alumina gel.
The present invention includes following operation:
A, basic formulations prepared from solutions
The EDTA solution of preparation 0.01mol and the NH of PH=10
3-NH
4The basic solution of Cl buffered soln blended.
B, the preparation of metal nano monomer solution
Add metal nano material in proportion in the basic solution respectively, use quick magnetic stirrer, obtain each metal nano monomer solution of high dispersive respectively.
C, high pressure mixing, filtration prepare mother liquor
Characteristic requirements according to intermediary material; The monomer solution of metal nano is added in the reaction kettle in proportion in batches; (5-45 ℃) WP 0.5MPa at normal temperatures; Mix 8-10 minute (rotating speed 700/ minute), use of the strainer filtration of filter precision after the release, can obtain the nano-solution (abbreviation mother liquor) of many metal hybrids of transparent nothing reunion as 1um.
D, pearl mill
With mother liquor and calcined kaolin, sericite, antimildew and antibacterial agent, inhibitor, add in proportion in batches stir in the quick dispersion machine after, with surge pump input frequency conversion bipyramid ball mill, carry out the pearl mill, flow control is at 12 liters/minute.
E, filtration, dispersion, pearl mill
It is after the strainer of 5um filters that the pulping that ball mill is come out directly pumps into filtering accuracy through surge pump; Add jelling agent behind quick dispersion machine thorough mixing; With surge pump input frequency conversion bipyramid ball mill; Carry out the pearl mill again, flow control gets the nanostructure intermediate of the reflective insulation material of water-based at 20 liters/minute.
The present invention compared with prior art has following beneficial effect:
1., steady quality
Still there is metal nano material in the present invention with the single particle state in final product, give full play to the function in each comfortable system, realizes nano-functional material truly, brings into play the speciality of its nano functional effect to greatest extent.
Offer general coating material production enterprise to stay-in-grade nanostructure intermediate; Because of later stage technology simply just can be carried out socialization production rapidly; Both guaranteed high-quality, low-cost, the quality of reflecting heat insulation material, solved present great demand again.
2., reflective insulation is effective
The reflection of nanostructure intermediate material of the present invention intercepts the sun heat radiation excellent performance.Sunshine reflectivity 0.87; Hemispherical emissivity 0.89; 17 ℃ of the heat insulation temperature difference.The standard that is much higher than " JG/T235-2008 architectural reflective heat-insulation paint ".
3., multi-functional; Variety
Nanostructure intermediate of the present invention can be mixed with as required that multiple function has both: aquosity elastic heat preserving coating; Waterproof lotus leaf thermal insulation coatings; Agate marble heat-insulation coating; Anti-fouling and self-cleaning thermal insulation coatings and indoor liquid wallpaper thermal insulation coatings; Indoor self-cleaning thermal insulation coatings.
Can also adjust the ratio of the monomer solution in the mother liquor as required, specialty prevents ultraviolet ray; Infrared rays; Far infrared etc., for develop many kinds, multifunctional coating provides technology platform.
4., environmental friendliness
Because the antimildew and antibacterial agent in the material of the present invention has been selected nano-titanium oxide for use, hazardous compound content such as VOC are extremely low, can both satisfy environmental requirement in using with reality in process of production, are a kind of novel environment friendly coating.
5., long cost performance height of life-span
The anti-aging function of nano-substance in the nanostructure intermediate of the present invention, weather is good, and dirt-resistant self-cleaning is good, has determined that the face life-span of coating is long; Cost performance is high; Reduced maintenance cost.
Embodiment:
Embodiment
1, gets complexing agent 0.13-0.16 part; Buffered soln 0.8-1.1 part; 39 parts of deionized waters are mixed with basic solution to the NH3-NH4Cl buffered soln of 0.01molEDTA solution for preparing and PH=10 in 9: 1 ratios, use respectively with Nano titanium nitride 1.2-1.6 part; Nano aluminium oxide 4.5-5.5 part; Nano zine oxide 3.8-4.2 part; Nano silicon oxide 4.8-5.2 part; Antiseptic-germicide 3.2-3.8 part; Add in the basic solution, use quick magnetic stirrer, obtain each metal nano monomer solution of high dispersive respectively.
The monomer solution of metal nano is added in the reaction kettle in proportion in batches; (5-45 ℃) WP 0.5MPa at normal temperatures; Mix 8-10 minute (rotating speed 700/ minute); Use of the strainer filtration of filter precision after the release, can obtain the nano-solution (abbreviation mother liquor) of many metal hybrids of transparent nothing reunion as 1um.
With mother liquor 65-68 part and calcined kaolin 11-12 part, sericite 4-5 part, mildew-resistant inhibitor 6.0-8.0 part, add in proportion in batches stir in the quick dispersion machine after, with surge pump input frequency conversion bipyramid ball mill, carry out the pearl mill, flow control is at 12 liters/minute.
It is after the strainer of 5um filters that the pulping that ball mill is come out directly pumps into filtering accuracy through surge pump; Add jelling agent 8.0-10 part; After dispersion machine mixes fast,, carry out the pearl mill again with surge pump input frequency conversion bipyramid ball mill; Flow control gets the nanostructure intermediate of the reflective insulation material of water-based at 20 liters/minute.
2, get 4 parts of this nanostructure intermediates and 6 parts of commercially available exterior coatings; In the vacuum tank of vacuum tightness, mixed 15 minutes for-0.05MPa; Stop stirrer after 1 minute earlier, stop vacuum pump again, the nanostructure intermediate that obtains with the reflective insulation material of water-based is the water-based reflective heat-insulation paint that base mateiral is processed.
(attaching the survey report copy)
Sample passes through " oil and chemical industry tailor-(made) coating pigment mass inspection center " detected result:
| Project | The JG/T235-2008 standard | Detected result |
| Sunshine reflectivity (white) | ≥0.80 | 0.87 |
| Hemispherical emissivity | ≥0.80 | 0.89 |
| The heat insulation temperature difference | ≥10℃ | 17℃ |
Claims (7)
1. the nanostructure intermediate of the reflective insulation material of a water-based, it is characterized in that it is to be staple, to adopt complexometry with following raw material: respectively metal nano material, adding with EDTA is in the basic solution of complexing agent, through dispersing and mixing; After obtaining stable metal nano monomer solution, the monomer solution of metal nano is added in the reaction kettle in proportion in batches, stir, mix, filter; The nano-solution (abbreviation mother liquor) of many metal hybrids, in mother liquor, add all the other raw materials and get into ball mills, filter and obtain, its staple (by weight) is: complexing agent 0.13-0.16 part; 39 parts of deionized waters, Nano titanium nitride 1.2-1.6 part; Nano aluminium oxide 4.5-5.5 part, nano zine oxide 3.8-4.2 part, nano silicon oxide 4.8-5.2 part; Buffered soln 0.8-1.1 part, calcined kaolin 11-12 part, sericite 4-5 part; Antimildew and antibacterial agent 3.2-3.8 part, inhibitor 6.0-8.0 part, jelling agent 8.0-10 part.
2. nanostructure intermediate according to claim 1 is characterized in that said complexing agent is EDTA Disodium (EDTA).
3. according to the nanostructure intermediate of the said material of claim 1, it is characterized in that said buffered soln is ammoniacal liquor and ammonium chloride.
4. according to the nanostructure intermediate of the said material of claim 1, it is characterized in that said antimildew and antibacterial agent is a nano-titanium oxide.
5. according to the nanostructure intermediate of the said material of claim 1, it is characterized in that said inhibitor is an active nano-aluminium oxide solution.
6. according to the nanostructure intermediate of the said material of claim 1, it is characterized in that said jelling agent is an alumina gel.
7. according to the employing complexometry preparation technology of the nanostructure intermediate of the said material of claim 1, it is characterized in that it comprises following operation:
A, basic formulations prepared from solutions
The EDTA solution of preparation 0.01mol and the NH of PH=10
3-NH
4The basic solution of Cl buffered soln blended.
B, the preparation of metal nano monomer solution
Add metal nano material in proportion in the basic solution respectively, use quick magnetic stirrer, obtain each metal nano monomer solution of high dispersive respectively.
C, high pressure mixing, filtration prepare mother liquor
Characteristic requirements according to intermediary material; The monomer solution of metal nano is added in the reaction kettle in proportion in batches; (5-45 ℃) WP 0.5MPa at normal temperatures; Mix 8-10 minute (rotating speed 700/ minute), use of the strainer filtration of filter precision after the release, can obtain the nano-solution (abbreviation mother liquor) of many metal hybrids of transparent nothing reunion as 1um.
D, pearl mill
With mother liquor and calcined kaolin, sericite, antimildew and antibacterial agent, inhibitor, add in proportion in batches stir in the quick dispersion machine after, with surge pump input frequency conversion bipyramid ball mill, carry out the pearl mill, flow control is at 12 liters/minute.
E, filtration, dispersion, pearl mill
It is after the strainer of 5um filters that the pulping that ball mill is come out directly pumps into filtering accuracy through surge pump; Add jelling agent after dispersion machine mixes fast; With surge pump input frequency conversion bipyramid ball mill; Carry out the pearl mill again, flow control gets the nanostructure intermediate of the reflective insulation material of water-based at 20 liters/minute.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104877474A (en) * | 2015-05-29 | 2015-09-02 | 江苏恒智纳米科技有限公司 | Nanometer reflective heat-insulation coating for exterior wall and preparation technique thereof |
| CN108102437A (en) * | 2017-12-30 | 2018-06-01 | 四川理工学院 | A kind of anti-aging colloidal sol Co-TiO2 Nano sols |
| CN108129893A (en) * | 2017-12-30 | 2018-06-08 | 四川理工学院 | A kind of corrosion-resistant colloidal sol enhances Co-TiO2 nanometers and meets coating |
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| WO2009125478A1 (en) * | 2008-04-09 | 2009-10-15 | Ｓｃｉ－Ｐａｉｎｔ Ｊａｐａｎ株式会社 | Thermal insulation coating material |
| CN101948640A (en) * | 2010-08-09 | 2011-01-19 | 华南理工大学 | Dark infrared reflective insulation material and preparation method thereof |
| CN101948649A (en) * | 2010-09-17 | 2011-01-19 | 中国十七冶集团有限公司 | Calcium silicate nanowire composite thermal-insulation coating |
| CN102888135A (en) * | 2011-07-21 | 2013-01-23 | 武汉汉斯高德环保科技有限公司 | Nano heat insulation liquid coating |
-
2011
- 2011-05-27 CN CN201110149508.4A patent/CN102796412B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009125478A1 (en) * | 2008-04-09 | 2009-10-15 | Ｓｃｉ－Ｐａｉｎｔ Ｊａｐａｎ株式会社 | Thermal insulation coating material |
| CN101948640A (en) * | 2010-08-09 | 2011-01-19 | 华南理工大学 | Dark infrared reflective insulation material and preparation method thereof |
| CN101948649A (en) * | 2010-09-17 | 2011-01-19 | 中国十七冶集团有限公司 | Calcium silicate nanowire composite thermal-insulation coating |
| CN102888135A (en) * | 2011-07-21 | 2013-01-23 | 武汉汉斯高德环保科技有限公司 | Nano heat insulation liquid coating |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104877474A (en) * | 2015-05-29 | 2015-09-02 | 江苏恒智纳米科技有限公司 | Nanometer reflective heat-insulation coating for exterior wall and preparation technique thereof |
| CN108102437A (en) * | 2017-12-30 | 2018-06-01 | 四川理工学院 | A kind of anti-aging colloidal sol Co-TiO2 Nano sols |
| CN108129893A (en) * | 2017-12-30 | 2018-06-08 | 四川理工学院 | A kind of corrosion-resistant colloidal sol enhances Co-TiO2 nanometers and meets coating |
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|---|---|
| CN102796412B (en) | 2014-03-19 |
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