CN101186467A - Thermal insulation energy-saving composite material and preparing method thereof - Google Patents
Thermal insulation energy-saving composite material and preparing method thereof Download PDFInfo
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- CN101186467A CN101186467A CNA200710171783XA CN200710171783A CN101186467A CN 101186467 A CN101186467 A CN 101186467A CN A200710171783X A CNA200710171783X A CN A200710171783XA CN 200710171783 A CN200710171783 A CN 200710171783A CN 101186467 A CN101186467 A CN 101186467A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a heat-insulation and energy-saving compound material and a preparation method thereof, comprising the following components in portions by weight: 20-45 portions of floating beads, 30-65 portions of core-shell polymeric polymerized emulsion, 20-50 portions of nano oxide, 6-40 portions of fillers, 1-10 portions of antimicrobial powders, 1-5 portions of additives and the residue is water. The steps of the preparation method of the compound material are: firstly, the core-shell polymeric polymerized emulsion is mixed with antifreeze agent and film forming additive to obtain (I); the fillers and the antimicrobial powders are mixed uniformly with dispersant/wetting agent, defoamer, the antifreeze agent, hydrophobic agent and the nano oxide to obtain (II); the (I) and the (II) are mixed uniformly before the floating beads are added; the pH value is adjusted to 7.8-8.3; the mixture obtained is filtered, thus gaining a finished product. The compound material has multiple effects such as heat insulation, thermal insulation, energy saving, ultraviolet light resistance and impact resistance.
Description
Technical field
The present invention relates to energy-saving composite material of a kind of heat-insulation and heat-preservation and preparation method thereof, particularly a kind of heat insulation, insulation, waterproof, all multi-functional type materials such as energy-conservation and preparation method thereof of integrating belongs to inorganic-organic nanocomposite field.
Background technology
With existing various exterior walls is example, their function is single, even fashionable market is ICI coating for the moment, its performance is also very single, especially heat insulation for collection, insulation, waterproof, the elasticity self-healing property, freedom from cracking and energy-conservation materials for wall in one rarely have report especially, for example the heat-insulation and heat-preservation material that (CN90105780.0) relates to of the Gou Xiao of University Of Chongqing brightness " novel heat-insulation; thermal insulation coatings and production technique " that propose is by the magnesium alumino metasilicate salt mine, fortifying fibre, property-modifying additive, weighting agent, the combined high temperature binding agent, defoamer, water is mixed in proportion, surperficial dedusting through raw material, selected, pulverize, chemical treatment, mix and stir, froth breaking leaves standstill and composite solidification forms.
In recent years,, antimicrobial nano powder, absorption and uv reflectance nano-powder and liquid were arranged, for example utilized nano-TiO along with the fast development of nano material technology
2Anti-microbial effect.Japanese Patent JP10025435, JP8325467 etc. have reported a kind of antibiotic paint, and it is good weatherability not only, and long-term antibacterial effect is arranged, and wherein antiseptic-germicide is aluminium, copper, zinc plasma, and anti-UV agent is the nano-cerium oxide of Chinese Academy of Sciences's preparation.
Even some report is bragged multi-functional composite coating, do not see detailed component report yet, and multi-functionally only be meant weathering resistance, water tolerance, ultraviolet light resistant, resistance to acids and bases, and do not have the report that gathers multi-function in integral whole involved in the present invention.
In sum, in existing material, particularly coating really has heat insulation (lowering the temperature 7～9 ℃), reflection coefficient (87%), radiation coefficient (83%), insulation (thermal conductivity w/mk 0.06～0.08), tensile strength (1.8Mpa), energy-conservation (33%), anti-ultraviolet simultaneously, shock-resistant and heat-resisting cold cyclicity rarely has report in the material of one.
Summary of the invention
In order to address the above problem, the invention provides a kind of heat insulation, insulation, energy-conservation matrix material and preparation method thereof,, insulation heat insulation, elasticity, anti-UV and energy-conservation material with integrating of satisfying that people are thirsted for.
Material provided by the invention is by surface treated pearl (hollow beads, Chuan Nan obtain in the ore deposit) crystal that floats, extraordinary nucleocapsid high molecular polymerization emulsion, uvioresistant absorption, the filler that increases glossiness such as nano-cerium oxide, α-nanometer Al
2O
3, nano-TiO
2, gas phase nano silicon-dioxide, comprise Zn
2+Deng antibiotic fine powder, and auxiliary agent is made through special design.Main summary of the invention is as follows:
A kind of energy-saving composite material of heat-insulation and heat-preservation is characterized in that, contains the following component of representing with weight part: float pearl 20～45, nucleocapsid high molecular polymerization emulsion 30～65, nano-oxide 20～50, filler 6～40, antibiotic fine powder 0～0.6, auxiliary agent 1～5, and suitable quantity of water.
Described nano-oxide is selected from one or more in α-nano aluminium oxide, nano-cerium oxide, nano titanium oxide and the nano silicon;
Described filler is selected from one or more in sepiolite, kaolin, sericite, wollastonite and the ultra-fine barium sulfate;
Described antibiotic fine powder is to be selected from nano level Ag
+, Cu
2+And Zn
2+The ionic inorganic materials;
Described auxiliary agent is one or more in dispersion/wetting agent, defoamer, film coalescence aid, antifreezing agent, hydrophober and the PH conditioning agent.
Described auxiliary agent crude ash looses/and the ratio of the weight part of wetting agent, defoamer, film coalescence aid, antifreezing agent, hydrophober and PH conditioning agent is 0.15～0.5: 0.5～1.0: 0.35～0.6: 0.5～1.5: 0.3～0.4: 0～0.1.
Described dispersion/wetting agent is negatively charged ion 731 and neutral W-CF-10, described defoamer is alkane silicon NxZ, described film coalescence aid is 2,2,4-trimethylammonium-1,3-pentanediol mono isobutyrate (TEXANOL), described antifreezing agent are ethylene glycol (EG) or propylene glycol (PG), described hydrophober is nonpolar ion CX-101, and described PH conditioning agent is 2-amino-2-methyl-1-propanol (AMP-95) or AE325.
Described nucleocapsid high molecular polymerization emulsion has the special structure of tertiary carbon α-sterically hindered (space-stero-effect); Described nucleocapsid high molecular polymerization emulsion also can be the product that self-crosslinking diacetone-acryloamide(DAA) and adipic dihydrazide obtain under the normal temperature.
Described precipitated super-fine barium sulfate is Ba
2+And SO
4 2-The BaSO that direct reaction generates
4, 0.5～0.7 micron of median size.
A kind of preparation method of energy-saving composite material of heat-insulation and heat-preservation is characterized in that, step is as follows:
(1) at first the nucleocapsid macromolecule emulsion is mixed with antifreezing agent, film coalescence aid and obtain (I);
(2) filler, antibiotic fine powder, dispersion/wetting agent, defoamer, antifreezing agent, hydrophober and nano-oxide uniform mixing are obtained (II);
(3) above-mentioned (I) and above-mentioned (II) mixed, add and float pearl;
(4) adjusting pH value is 7.8～8.3;
(5) filtration obtains final finished;
Nano-oxide among the above-mentioned preparation method is selected from one or more in α-nano aluminium oxide, nano-cerium oxide, nano titanium oxide and the nano silicon;
Filler among the above-mentioned preparation method is selected from one or more in sepiolite, kaolin, sericite, wollastonite and the ultra-fine barium sulfate;
Above-mentioned antibiotic fine powder is to be selected from nano level Ag
+, Cu
2+And Zn
2+The ionic inorganic materials.
Require with regard to the main component in the material component below and constitute that details are as follows:
One. heat insulation, insulation, energy-conservation mechanism
1. energy-saving composite material of the present invention is that spherical hollow beads is filled in a kind of high-performance, the high-quality coating that water-based nucleocapsid latex base-material forms, and forms the nearly vacuum cavity group who is made up of the spherical hollow microballon in this coating, becomes effective thermal resistance barrier.The thermal conductivity of its material is more little, and then heat-insulation and heat-preservation is good more, and the air thermal conductivity is 0.023w/mk, and the present invention uses floats the pearl lagging material, and thermal conductivity is 0.06-0.08w/mk;
2. the heat reflectivity of coatingsurface reaches 60%～90%, the thermal emissivity rate of material itself is about 90%, when thermal source incident, coatingsurface goes back 60%～90% heat reflection, coating itself absorbs 10%～40% heat, because nearly vacuum cavity group's thermal resistance shielding in the middle of the coating stops invisible heat penetrating coating, suppressed a layer interior thermal conduction, major part has been absorbed the top of heat storage in coating;
3. the heat of accumulating in the layer 90% can be launched outside coating owing to material itself.Therefore be difficult for accumulating heat in the coating, form effect of heat insulation up to 95%;
4. matrix material of the present invention can heat insulation, insulation, energy-conservation, reaches effect cool in summer and warm in winter, lowers the temperature 7～9 ℃ summer, energy-conservation 33%; The winter insulation, energy-conservation 25%.
Two. float pearl (cenosphere)
Because the requirement to material is both high temperature resistant and light weight, so adopting, the present invention floats pearl (cenosphere), it is separated from flyash.At least can adopt two kinds of methods to carry out this lock out operation, first kind is after making flyash carry out sorting by other serial corollary equipments such as selection by winnowing and stage equipments, under high-speed stirring the cenosphere surface to be formed with coupling agent treatment again.Another kind is a wet split, earlier flyash is carried out pre-treatment, after again through chemical treatment method sorting head product, utilize flotation to get then and carry out respectively with magnetic separation, select carbon and select that the iron result obtains to float pearl (cenosphere) pure especially, quality is high especially.
Float the screening process of pearl: dissimilar vitreums of cooling → hollow of mineral → 1700～1750 ℃ → molten → very fast decline of liquid droplet → temperature → fast → float pearl.
Main chemical and the weight part thereof of pearl float in beans dam, table 1 Yibin thermal power plant
| SiO 2 | Al 2O 3 | CaO | MgO | K 2O | TiO 2 | Na 2O | C | TF 2 |
| 57-62 | 17-22 | 4.5-5.7 | 0.8-1.0 | 1.3-2.0 | 0.9-1.5 | 0.8-1.3 | 2.0-3.0 | 1.80-3.0 |
Floating the pearl the key technical indexes is
Particle diameter 30～100 μ m
Density 0.4～0.8
Thermal conductivity 0.08～0.12w/mk
Ultimate compression strength 2650～7000kg/cm
2
1100～1300 ℃ of heatproof degree
Yet, to float pearl through calcination above-mentioned and can not directly add and form organic-inorganic composite materials, its surface must be carried out modification and be handled.Between high molecular polymer and filler, there is bonding force, strengthens the Chemical bond effect of it and organic materials, improve the wettability and the adsorptivity of its surfacing.Float pearl crystalline surface-modifying agent and mainly use silylation coupling agent X
3Si (CH
2)
nY, in the formula:
N=0-3, X are the hydrolyzable groups that is connected with Siliciumatom;
Y be an energy and the given compatible organo-functional group of organic materials;
For example be vinyl, Ethoxysilane or vinyltrimethoxy silane.
The pearl crystal that floats after modification is handled becomes main ingredient in the material of the present invention, also is the basic point that is different from other existing material.Its over-all properties is splendid, light weight, hollow, particle diameter are little, heat insulation, cooling, nontoxic, insulation, self-lubricating, fire prevention, high temperature resistant, corrosion-resistant, intensity is good, price is low, ample supply and prompt delivery, processing are simple.
Three. nucleocapsid high molecular polymerization latex
Utilize hud polymerization technology soap-free polymerization, self-crosslinking DAAM (diacetone-acryloamide(DAA)) and ADH (adipic dihydrazide) at normal temperatures, overcome the shortcoming of conventional emulsion, because of the low film forming properties of shell Tg value good, pollution resistance is strong, make the metope really can self-stip, it is rain-out, has self-cleaning function, another nucleocapsid high molecular polymerization latex is the special structure of a kind of tertiary carbon α-sterically hindered (space-sterro-effect), large volume, nonpolar (Non-polar Group) tertiary carbon base, the shielding effect of performance alpha-carbon atom, its hydrolysis, the heatproof degree, performances such as anti-UV increase greatly, thereby can be used as durable, tint retention external application architectural latex coating is used.
Nucleocapsid high molecular polymerization latex chemical structure is shown below:
Four. mineral filler
4.1 α-nano aluminium oxide
Have the high aspect ratio two-dimensional sheet and arrange shape structure (former ratio＞60, footpath), coating is tough and tensile, wear-resisting, can shield most ultraviolet ray, reflection, Thermal Infra-Red, α-nanometer Al
2O
3Crystalline size is small, high temperature resistant, erosion resistance, cooperation are floated the pearl effect, can increase heat insulation, insulation, cool effect.
4.2 uvioresistant nano-cerium oxide
The uvioresistant cerium oxide has absorption and reflection double effects.The efficient nano UV light absorber is that mixture (aluminum oxide, nano titanium oxide, the cerium oxide etc.) chemical ingredients of multiple nano inorganic oxide is based on cerium oxide.Particle diameter is less than 50 microns.
A, the abundant 4F electronic shell level structure of cerium oxide, the spectral absorption of transition of electron is mainly in the ultraviolet region, and the nano-cerium oxide specific surface area is big, and amounts of particles is many relatively, ultraviolet absorption ability is obviously strengthened the assimilated efficiency height.
B, nanoparticle have stronger reflection and scattering process to ultraviolet wavelength, and this phenomenon belongs to one of nanometer material material small-size effect.
C, (ZnO, nm-TiO
2, nm-CeO
2) etc., absorption bands broadens, and almost contains entire ultraviolet line zone (200 microns～400 microns).
Under the macroscopic quantum effect effect of nano material small-size effect (size effect), quantum effect (wave effect), surface effects (surface tension), can improve mechanics (machinery) performance of product.
4.3 precipitated super-fine barium sulfate
Precipitated super-fine barium sulfate used in the present invention, it is by Ba
2++ SO
4 2-→ BaSO
4By chemosynthesis, rather than adopt ore, it is formed by two kinds of ion mortise, and being does not a kind ofly have active material fully, and inclusion-free exists, and water insoluble, its solubleness C≤3ppm solubleness is insoluble to organic solvent, bronsted lowry acids and bases bronsted lowry solution.By Ba
2+And SO
4 2-Synthetic BaSO
4Size distribution is narrow; The particle diameter that the present invention adopts is 0.7 μ m, and it can be used as white pigment or extender, and weathering resistance is good, and colour strength also increases glossiness when using as coating.
4.4 nano titanium oxide
Nano titanium oxide has anti-microbial effect, and uv reflectance well, and the wear resistance of coating is also improved a lot.
4.5 nano silicon
For nanometer SiO with thickening power
2, it has three-dimensional chemical structure, bridge formation chemical bond firm, and this structure is given good thixotropy of coating and dispersion stabilization.Coating is not stratified, and sag prevention is arranged, and construction operation is good, and anti-staining property improves greatly, has self-cleaning, sticking power, and intensity and hardness all strengthen greatly, and scrub resistance can reach more than 10000 times.
By the nano-particles filled method, with nm-SiO
2Be doped to and float in the pearl thermal insulating coating nm-SiO
2It is extremely strong to absorb ultraviolet ray, 400 microns with interior absorption of UV up to 70%, its ageing-resistant and smooth finish is all improved.
Five. selecting for use of antibiotic fine powder
As known the using always of antibiotic microfine is nano level Ag
+, Cu
2+And Zn
2+Ion, the present invention adopts gel process to prepare active nano ZnO, and this activity ZnO can produce a large amount of active oxygen radicals at material surface, thereby
ZnO → Zn+O (active oxygen radical)
Improve antibiotic and decontamination effect improving greatly, be of value to and suppress bacterium, mould generation, when material provided by the invention is used as building coating, it can make coating have high-weatherability and permanent tint retention and can absorb the airborne organism peculiar smell of decomposition, thereby solves because building can not be discharged indoor problem of environmental pollution as early as possible because of stopping property strengthens the obnoxious flavour that brings.
Six. other auxiliary agent is selected
The component of auxiliary agent and weight ratio can be as follows:
Components by weight
Dispersion/wetting agent (anionic dispersing agents, negatively charged ion wetting agent 731/CF-10) 0.15～0.5
Defoamer (second dialkyl group silica salt NXZ) 0.1～0.5
Film coalescence aid (TEXANAL, ten diester alcohol) 0.35～0.6
Antifreezing agent (propylene glycol, ethylene glycol) 0.5～1.5
Hydrophober (siloxanes) 0.3～0.4
PH conditioning agent (amine salt AMP-95, AM325) 0～0.1
Table 2 is heat insulation, insulation, cracking resistance, elasticity, energy-conservation matrix material and performance comparison of current material of integrating of the present invention.See by table 2, the present invention uses the high section of space hollow beads (floating pearl) crystal, be example to use as construction industry coating, indoor/outdoor temperature-difference can reach 8～10 ℃ before and after using, energy-saving efficiency is up to 33%, and the present invention can provide material to have heat insulation, insulation, antibiotic, mildew-resistant, uvioresistant and flame retardant resistance, can many-sidedly use in a lot of fields.
Table 2 the invention provides material over-all properties and with the contrast of current material
| Unit | The present invention | Relevant GB | GB | Current material | ||
| 1 | State | / | Mix the no lump in back, be even shape | Meet | GB3186 | Meet |
| 2 | Application property | / | The construction of two roads is accessible | Meet | GB/T 9755 | Meet |
| 3 | Appearance of film | / | Normally | Normally | GB/T 9755 | Normally |
| 4 | Show time of drying | h | ≤2 | ≤3 | GB/T/1728-89 | ≤1 |
| 5 | Splitting resistance | Dry no fragility of initial stage | Meet | JG/T172-2005 | ||
| 6 | Heat-insulated character | ℃ | 8～10 ℃ of the contrast temperature difference | 5～6℃ | Q/320583XGNB025-2007 | 5～6℃ |
| 7 | Contrast ratio | / | ＞0.93 | ＞0.9 | GB9270-88 | ＞0.9 |
| 8 | Low-temperature stability | / | Never degenerate | Meet | GB/T9755 | Meet |
| 9 | Alkali resistance | h | 48h is no abnormal | 48h is no abnormal | GB/T9265 | 24h is no abnormal | |
| 10 | Water tolerance | h | 96h is no abnormal | 96h is no abnormal | GB/T/1733-93 | 72h is no abnormal | |
| 11 | Abrasion resistance | Inferior | 2000 | 1600 | GB/T9266 | 1000 | |
| 12 | Artificial ageing resistance | Inferior | 600h | 500h | GB/T 1865-97 | 500h | |
| Efflorescence | Inferior | ≥1 | ≥1 | ≥2 | |||
| Variable color | Inferior | ≥1 | 〉=2 variable colors | 〉=2 variable colors | |||
| 13 | Coating temperature-change resistance (5 circulations) | / | No abnormal | No abnormal | JG/T25-1999 | No abnormal | |
| 14 | Anti-staining property (5 times) | ％ | ≤25 | ≤20 | GB/T 9780 | ≤30 | |
| 15 | Under the tensile strength standard state | MPa | 1.8 | 1.2 | GB/T 16777-97 | 1.2 | |
| 16 | Elongation at break | Under the standard state | ％ | 200 | 100 | JG/T 172-2005 | 100 |
| -10 ℃ | 40 | 30 | 30 | ||||
| Thermal treatment | 100 | 70 | 70 | ||||
| 17 | The hot merit performance | Reflection coefficient | ％ | 87 | 92 | GJB-2502-96 | |
| Radiation coefficient | 83 | 80 | |||||
| Thermal conductivity | W/MK | 0.08 | 0.18 | GB/T 10294-1988 | |||
| 18 | Energy-conservation | ％ | 33 | 25 | 15 | ||
Because the material that the present invention adopts unlike the prior art, so it has excellent multifunctional integrated characteristic, from the difference of following table 3 visible existing lagging materials and component that matrix material of the present invention uses.
The difference of existing lagging material of table 3 and component that matrix material of the present invention uses
| Title | The prior art material therefor | The material that the present invention uses |
| Heat insulation hollow beads | Not weather resistance of Yun Bishuan, hollow haydite valency is expensive, and compressive strength is little, powerful easily the dispersion, destroys structure easily | Float pearl (hollow beads) and screen from powder cigarette ash, that stay in grade has is heat insulation, insulation, radiation reflection, convection function |
| UV light absorber | Organic UV absorption agent timeliness is very short | Nano inorganic cerium oxide UV and reflecting effect are good, and anti-aging have 20 years |
| Mildew-resistant/antibiotic | Organism, toxicity | Nano phase ag_2 o, zinc, nano titanium oxide are nontoxic, and mildew-resistant/antibiotic timeliness is long, goes back the maskable ultraviolet ray |
| Caking agent | Phenylpropyl alcohol, silicon third, acrylic resin, weather-proof weak point can chap xanthochromia | The positive vinylformic acid of nucleocapsid elasticity---little polymeric silicon compound-elasticity, anti-aging, anti-xanthochromia, antipollution, lotus leaf effect excellent properties |
| Filler | Universality, wollastonite, lime carbonate | Sericite, tripoli, barium sulfate ferric oxide, the anti-UV of filler, reflection are good, and specific refractory power such as INDEX (ferric oxide)=2.56 heat-insulation and heat-preservation is good |
| αnm-Al 2O 3 | Do not add | Having from heat is that energy emission far-ultraviolet effect the present invention utilizes α-nmAl 2O 3 |
| R-TiO 2 | Metal and stone type--TiO 2, can flavescence | White pigment improves outside the contrast ratio, to the wavelength reflectivity of 400-1800nm up to more than 83%, the resistance Huang |
| The heat-insulation and heat-preservation filler | Add wollastonite, the talcum agent, kaolin etc., weathering resistance, heat-insulation and heat-preservation are generally average | Adding extra large spore stone, hydrophobic pearlite ceramic fiber improves heat preservation and insulation |
| The osmanthus agent of the anti-stream of thixotropic agent | The negatively charged ion organic type, polyurethane kind | Nano silicon (gas type) thixotropic agent is prevented fluid stopping osmanthus, self-cleaning, antipollution |
| The property all excellent its mechanism be the three dimensional network chemical structure | ||
| The heat insulation heat preservation energy-saving coating property | Heat insulation and heat control 2-3 ℃, insulation is general, fractional energy savings 12-15% | Heat insulation and heat control 7--12 ℃, thermal conductivity 0.06-0.08 radiation reflection 87%, reflectivity 83%, fractional energy savings 33% |
| Conclusion | Standard type | Float performances such as pearl thermal insulating coating cooling energy-saving and surmount more than 2 times of traditional thermal insulating coating |
Description of drawings
Fig. 1 is the effect of heat insulation synoptic diagram of material of the present invention.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment.
Embodiment 1 preparation method
The following method of the energy-saving composite material of heat-insulation and heat-preservation of the present invention:
(1) at first the nucleocapsid macromolecule emulsion is mixed with antifreezing agent, film coalescence aid and obtain (I);
(2) filler, antibiotic fine powder and dispersion/wetting agent, defoamer, antifreezing agent, hydrophober and nano-oxide uniform mixing are obtained (II);
(3) above-mentioned (I) and above-mentioned (II) mixed, add and float pearl;
(4) adjusting pH value is 7.8～8.3;
(5) filtration obtains final finished;
Described nano-oxide is selected from one or more in α-nano aluminium oxide, nano-cerium oxide, nano titanium oxide and the nano silicon;
Described filler is selected from one or more in sepiolite, kaolin, sericite, wollastonite and the ultra-fine barium sulfate; Described antibiotic fine powder is to be selected from nano level Ag
+, Cu
2+And Zn
2+The ionic inorganic materials; Described auxiliary agent is one or more in dispersion/wetting agent, defoamer, film coalescence aid, antifreezing agent, hydrophober and the PH conditioning agent.
Embodiment 2
Material component (weight percent) is specific as follows:
Nucleocapsid macromolecule emulsion 38
Antifreezing agent 0.7
Film coalescence aid 1.2
Dispersion agent (negatively charged ion 731) 0.18
Wetting agent (CF-10) 0.13
Nano silicon 5.5
Hydrophober 0.3
Nano titanium oxide (R-706) 15
Rice cerium oxide 0.6 in the anti-UV
Filler 13
α-nano aluminium oxide 6
Float pearl 25
PH conditioning agent 0.01
Defoamer 0.5
Antibiotic fine powder 2
Water 4
Embodiment 3
Material component (weight percent) is specific as follows:
Nucleocapsid macromolecule emulsion 42
Antifreezing agent 0.8
Film coalescence aid 2.0
Dispersion agent (negatively charged ion 731) 0.18
Wetting agent (CF-10) 0.12
Nano silicon 6.2
Hydrophober 0.25
Nano titanium oxide (R-706) 17.5
Anti-UV cerium oxide 0.7
Filler 12
α-nano aluminium oxide 7
Float pearl 26
PH conditioning agent 0.1
Defoamer 0.1
Antibiotic fine powder 6
Water 20
Embodiment 4
Material component (weight percent) is specific as follows:
Nucleocapsid macromolecule emulsion 40
Antifreezing agent 1.0
Film coalescence aid 1.9
Dispersion agent (negatively charged ion 731) 0.18
Wetting agent (CF-10) 0.12
Nano silicon 6
Hydrophober 0.28
Nano titanium oxide (R-706) 17
Anti-UV cerium oxide 0.65
Filler 12
α-nano aluminium oxide 6.5
Float pearl 27
Defoamer 0.3
Antibiotic fine powder 3
Water 50
Being preferred embodiment of the present invention only in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of patent claim of the present invention change and modification, all should be technology category of the present invention.
Claims (9)
1. the energy-saving composite material of a heat-insulation and heat-preservation is characterized in that, contains the following component of representing with weight part: float pearl 20～45, nucleocapsid high molecular polymerization emulsion 30～65, nano-oxide 20～50, filler 6～40, antibiotic fine powder 1～10, auxiliary agent 1～5, surplus is a water;
Described nano-oxide is selected from one or more in α-nano aluminium oxide, nano-cerium oxide, nano titanium oxide and the nano silicon;
Described filler is selected from one or more in sepiolite, kaolin, sericite, wollastonite and the ultra-fine barium sulfate;
Described antibiotic fine powder is to be selected from nano level Ag
+, Cu
2+And Zn
2+The ionic inorganic materials;
Described auxiliary agent is one or more in dispersion/wetting agent, defoamer, film coalescence aid, antifreezing agent, hydrophober and the PH conditioning agent.
2. energy-saving composite material according to claim 1 is characterized in that, described main component of floating pearl is SiO
2, Al
2O
3, CaO, MgO, K
2O, TiO
2, Na
2O, C and TF
2This SiO
2, Al
2O
3, CaO, MgO, K
2O, TiO
2, Na
2O, C and TF
2The ratio of weight part be 57～62: 17～22: 4.5～5.7: 0.8～1.0: 1.3～2.0: 0.9～1.5: 0.8～1.3: 2.0～3.0: 1.80～3.0.
3. energy-saving composite material according to claim 1 is characterized in that, the ratio of the weight part of described sepiolite, kaolin, sericite, wollastonite and ultra-fine barium sulfate is 5～10: 6～12: 5～20: 10～15: 5～15.
4. energy-saving composite material according to claim 1, it is characterized in that the ratio of the weight part of described dispersion/wetting agent, defoamer, film coalescence aid, antifreezing agent, hydrophober and PH conditioning agent is 0.15～0.5: 0.1～0.5: 0.35～0.6: 0.5～1.5: 0.3～0.4: 0～0.1.
5. energy-saving composite material according to claim 1, it is characterized in that, described dispersion/wetting agent is negatively charged ion 731 and neutral W-CF-10, described defoamer is a second dialkyl group silica salt, described film coalescence aid is ten diester alcohol, described antifreezing agent is ethylene glycol or propylene glycol, and described hydrophober is nonpolar ion CX-101, and described PH conditioning agent is an amine salt.
6. energy-saving composite material according to claim 1 is characterized in that, described nucleocapsid high molecular polymerization emulsion has the special structure of tertiary carbon α-sterically hindered (space-stero-effect).
7. energy-saving composite material according to claim 1 is characterized in that, described nucleocapsid high molecular polymerization emulsion is the product that self-crosslinking diacetone-acryloamide(DAA) and adipic dihydrazide obtain under the normal temperature.
8. energy-saving composite material according to claim 1 is characterized in that described precipitated super-fine barium sulfate is Ba
2+And SO
4 2-The BaSO that direct reaction generates
4, 0.5～0.7 micron of median size.
9. the preparation method of the energy-saving composite material of a heat-insulation and heat-preservation is characterized in that, step is as follows:
(1) at first the nucleocapsid macromolecule emulsion is mixed with antifreezing agent, film coalescence aid and obtain (I);
(2) filler, antibiotic fine powder and dispersion/wetting agent, defoamer, antifreezing agent, hydrophober and nano-oxide uniform mixing are obtained (II);
(3) above-mentioned (I) and above-mentioned (II) mixed, add and float pearl;
(4) adjusting pH value is 7.8～8.3;
(5) filtration obtains final finished;
Described nano-oxide is selected from one or more in α-nano aluminium oxide, nano-cerium oxide, nano titanium oxide and the nano silicon;
Described filler is selected from one or more in sepiolite, kaolin, sericite, wollastonite and the ultra-fine barium sulfate;
Described antibiotic fine powder is to be selected from nano level Ag
+, Cu
2+And Zn
2+The ionic inorganic materials;
Described auxiliary agent is one or more in dispersion/wetting agent, defoamer, film coalescence aid, antifreezing agent, hydrophober and the PH conditioning agent.
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| CN200710171783XA CN101186467B (en) | 2007-12-05 | 2007-12-05 | Thermal insulation energy-saving composite material and preparing method thereof |
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| CN101186467B CN101186467B (en) | 2010-11-10 |
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