CN103087605B - Water-based nano heat insulation material and preparation method thereof - Google Patents

Water-based nano heat insulation material and preparation method thereof Download PDF

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CN103087605B
CN103087605B CN201310063179.0A CN201310063179A CN103087605B CN 103087605 B CN103087605 B CN 103087605B CN 201310063179 A CN201310063179 A CN 201310063179A CN 103087605 B CN103087605 B CN 103087605B
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heat
nano
weight
water
preserving
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CN201310063179.0A
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CN103087605A (en
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张立德
严素荣
张宝忠
郭金辉
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北京中科捷达纳米应用科技有限公司
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Abstract

The invention relates to a water-based nano heat insulation material for a building and a preparation method thereof. The water-based nano heat insulation material is composed of a porous water-based nano SiO2 suspension emulsion, inorganic nano TiO2, inorganic nano bismuth chloride oxide, hollow glass micro spheres, an inorganic ultramicro material, a functional auxiliary, a fire retardant and deionized water. Compared with the traditional material, a water-based nano heat insulation material coating prepared by the water-based nano heat insulation material provided by the invention is obviously better than the traditional heat insulation plate in heat conductivity coefficient, and the water-based nano heat insulation material provided by the invention has excellent fire resistance and discharges no toxic substance, so that the water-based nano heat insulation material provided by the invention is a novel environment-friendly building heat insulation material. By adopting the water-based nano heat insulation material provided by the invention, a coating process is adopted, a heat insulation technical index can be adjusted according to different building thermotechnical climatic regions, wall structures, thicknesses and technical requirements, a working procedure can be simplified, and good construction effect and the best cost performance of a project are achieved.

Description

A kind of water nano heat-insulating heat-preserving material and preparation method thereof
[technical field]
The invention belongs to a kind of water nano building heat insulation field of material technology.More specifically, the present invention relates to a kind of water nano heat-insulating heat-preserving material for building by compounds such as inorganic nano material, glass hollow microballoon, inorganic superfine material and ACRYLIC EMULSION.
[background technology]
At present, China's high energy consumption building accounts for more than 95% of gross floors area, and unit surface heating energy consumption is equivalent to 2 ~ 3 times of the close developed country of weather condition, and architectural energy consumption is huge.So, The Ministry of Construction of the People's Republic of China, MOC the 143rd command " Civil Building Energy Conservation administrative provisions ", specify to require in planning, design in the urban construction of China, build and in use, must perform building energy-saving standard, building structures must carry out heat-insulation and heat-preservation project treatment.But, due to traditional building heat insulation material, such as EPS plate, XPS plate, PU such as to hard bubble at organic heat-insulating heat-preserving material, because of the restriction by material self performance, shortage scientific and technological content, construction work operation is complicated, comprehensive cost is high, weak effect, the heat-insulating method of this traditional passive type, cause the waste of great resource and the energy, seriously affect and limit the development of China's building heat insulation power-saving technology, material industry field overall technology level and national economy.
Traditional building heat insulation material, such as EPS plate, XPS plate, PU organic heat-insulating heat-preserving material fire resistance such as to hard bubble is poor.In recent years, the architectural exterior insulation engineering fire disaster accident that China recurs, loss is serious, causes in China and has a strong impact on.For these fire disaster accidents, firmly build portion, Ministry of Public Security's clear stipulaties, China's covil construction external wall thermal insulation material must adopt combustionproperty to be A level or B1 level, highly be less than the building of 24m, its lagging material combustionproperty should lower than B2 level, arrange fire-blocking belt, this just greatly limit the traditional range of application of building heat insulation material in construction work simultaneously.Inorganic heat insulation material, such as rock wool, mineral wool, glass wool, foamed concrete, glass bead etc., although combustionproperty reaches A level; but thermal conductivity is poor; heat-insulating property is not good enough, even meets water and loses efficacy, be used alone the heat insulation heat preservation energy-saving effect being difficult to reach desirable.
Development heat-insulation and heat-preservation is excellent, the environment-friendly aqueous nano heat-insulating lagging material technology that fire safety, environmental protection are taken into account, by inorganic nano material and inorganic heat-insulating material compound, be equipped with film forming and functional agent, be prepared into a kind of slurry, heat-insulating heat-preserving material that thermal property is adjustable.This active thermal energy-saving insulating technique and material, can improve the heat insulation and preservation effect of inorganic materials greatly, and have excellent environmental protection and fire resistance.This is domestic and international building heat insulation power-saving technology, material emphasis research topic and developing direction, the especially future developing trend in building heat insulation energy conservation project market.
[summary of the invention]
[technical problem that will solve]
The object of this invention is to provide a kind of water nano heat-insulating heat-preserving material.
Another object of the present invention is to provide the preparation method of described water nano heat-insulating heat-preserving material.
[technical scheme]
The present invention is achieved through the following technical solutions.
The present invention utilizes nanotechnology and nano material to carry out compound, modification to traditional inorganic heat-insulating material, prepares a kind of water nano heat-insulating heat-preserving material for building heat insulation engineering.As the upgrading material of traditional building heat insulation material and the construction technology of change traditional architecture heat-insulation and heat-preservation engineering.
Because be full of hole in film after isolation-type heat-insulating heat-preserving material coating film forming, the dry density of film is very low, so have good thermal resistance performance.As everyone knows, the material that density is higher, rigidity is stronger, its heat transfer coefficient is larger, and heat transfer rate is faster.Otherwise the material that flexibility is better, structure is more fluffy, its thermal conductivity is less, and the speed of temperature conduction is slower, and this is the principal element determining heat power engineering performance index.Due to fluffy flexible material, its tissue density loosens, and the space in structure is filled with air, and the thermal conductivity of air is minimum, so the heat transfer coefficient of material is minimum, the effect of heat-insulation and heat-preservation is better.According to this characteristic of material thermal technology effect, in the selection of traditional heat-insulating heat-preserving material, all with flexible fluff material for optimal selection materials such as (as: mineral wool, rock wool, glass wool, polyphenyl, EPS, XPS, PU) hard bubbling, become the conventional vacuum lagging material of building and industrial application.
But above-mentioned materials, because of the restriction by self performance, can only utilize material self performance to carry out heat-insulation and heat-preservation process.Because this single passive thermal isolation technique lacks scientific and technological content, therefore cause construction limited, result of use is poor, and there is the potential safety hazard of fire prevention fire-fighting.
For traditional heat-insulating heat-preserving material technological deficiency, water nano heat-insulating heat-preserving material of the present invention, first the incombustible characteristic of inorganic materials is utilized, inorganic superfine material and glass hollow microballoon is adopted to make to intercept the base mateiral of heat conduction, heat-insulating heat-preserving material is possessed not incendivity, cause the inorganic body structure of water nano heat-insulating heat-preserving material to be filled with space containing gas, the effective conduction stoping temperature simultaneously; And utilize the porous, inorganic Nano-meter SiO_2 of the high hole of bigger serface 2with water-based emulsion (organic filmogen) compound, the water-based emulsion making density large (organic filmogen) and the oarse-grained gap of solid material are by the porous, inorganic Nano-meter SiO_2 of high hole 2fill, at a large amount of porous, inorganic Nano-meter SiO_2 2the ultra micro gassiness closed pore negative space that high porosity is formed, and under the effect of closed pore thermal capacitance heat-storage heat-preserving performance and low conduction and under the synergy of nano-micrometre material manifold effect combination, produce heat insulation and heat-storage heat-preserving reinforcing effect, considerably improve the thermal isolation technique performance of inorganic materials, reach heat insulation, the ideal effect of heat-storage heat-preserving.
In preparation process, select to add Heat stability is good, non-volatile, do not produce obnoxious flavour, do not corrode production unit, press down cigarette and the good fire retardant of flame retardant effect, make a small amount of organic materials in water nano heat-insulating heat-preserving material coating (emulsion and auxiliary agent) obtain effectively pressing down cigarette and fire-retardant, improve the flame retardant effect that water nano heat-insulating heat-preserving material is coated with significantly.
Utilize rutile-type inorganic nano TiO 2high index of refraction, low eliminate optical property, high-reflectivity and photocatalyst performance, improve the heat reflectivity of water nano heat-insulating heat-preserving material coating, hemispherical emissivity and ageing resistance, improve the result of use of water nano heat-insulating heat-preserving material coating, extend effective working life.
The particle diameter of low thermal conductance is utilized to form the nano heat-insulating heat insulation coating of low thermal conductance at the inorganic nano Bismuth Oxychloride (nanometer ball or nanometer rod) of 80 ~ 100nm.
The present invention relates to a kind of water nano heat-insulating heat-preserving material.
Described water nano heat-insulating heat-preserving material is made up of following component, with parts by weight:
Porous water nano SiO 2suspension emulsion 25 ~ 35;
Inorganic nano TiO 21 ~ 3;
Inorganic nano Bismuth Oxychloride 0.5 ~ 2;
Glass hollow microballoon 15 ~ 30;
Inorganic superfine material 3 ~ 5;
Functional agent 3 ~ 5;
Fire retardant 2 ~ 3;
Deionized water 25 ~ 35.
Described porous water nano SiO 2suspension emulsion is by 15 ~ 25 weight part aqueous acrylic emulsions, 30 ~ 35 weight part water-based acrylic adhesive emulsions, 25 ~ 35 weight part elastic emulsions and 5 ~ 15 weight part porous water nano SiO 2composition.
A preferred embodiment of the invention, described water nano heat-insulating heat-preserving material is made up of following component, with parts by weight:
Porous water nano SiO 2suspension emulsion 28 ~ 32;
Inorganic nano TiO 21.5 ~ 2.4;
Inorganic nano Bismuth Oxychloride 0.5 ~ 2;
Glass hollow microballoon 18 ~ 26;
Inorganic superfine material 3.8 ~ 4.2;
Functional agent 3.8 ~ 4.2;
Fire retardant 2.4 ~ 2.6;
Deionized water 26 ~ 32.
According to another kind of preferred implementation of the present invention, described porous water nano SiO 2specific surface area be 600 ~ 800m 2/ g, its porosity is 50 ~ 80%, and its hole dimension is 0.6 ~ 1.5nm, its mesoporous specific volume>=1000cm 3/ g.
According to another kind of preferred implementation of the present invention, described inorganic nano TiO 2the rutile type nano TiO of specific surface area 150 ~ 300 ㎡/g 2.
According to another kind of preferred implementation of the present invention, described inorganic nano Bismuth Oxychloride is particle diameter 80 ~ 100nm, the Bismuth Oxychloride nanometer ball of specific surface area 200 ~ 300 ㎡/g, density 7.88 ~ 7.95g/mL and specific refractory power≤2.2 or nanometer rod.
According to another kind of preferred implementation of the present invention, described inorganic superfine material is that one or more are selected from the zirconium white of particle diameter 0.3 ~ 1 micron, silicon-dioxide, titanium dioxide, Bismuth Oxychloride or diatomaceous inorganic superfine material.
According to another kind of preferred implementation of the present invention, described glass hollow microballoon is made up of soda lime borosilicate matrix material, its density 0.125 ~ 0.38g/cc and particle diameter 10 ~ 80 μm.
According to another kind of preferred implementation of the present invention, described fire retardant is that one or more are selected from the fire retardant of low density magnesium hydroxide or aluminium hydroxide.
According to another kind of preferred implementation of the present invention, described functional agent is that one or more are selected from the auxiliary agent of wetting agent, dispersion agent, flow agent, defoamer or solidifying agent.
The invention still further relates to the preparation method of described water nano heat-insulating heat-preserving material.
The step of this preparation method is as follows:
A, preparation porous water nano SiO 2suspension emulsion
By 15 ~ 25 weight part aqueous acrylic emulsions, 30 ~ 35 weight part water-based acrylic adhesive emulsions, 25 ~ 35 weight part water-based elastic emulsions and 5 ~ 15 weight part porous water nano SiO 2load in the homogeneous emulsifying machine of sealing and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By 1 ~ 3 parts by weight of inorganic nano-TiO 2, 0.5 ~ 2 parts by weight of inorganic nano oxygen bismuth chloride, 3 ~ 5 parts by weight of inorganic superfine materials and 25 ~ 35 parts by weight of deionized water load in the homogeneous emulsifying machine of sealing and carry out high speed shear grinding and obtain a kind of premix slurry; Then, in described premix slurry, add 15 ~ 30 parts by weight of glass tiny balloons again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry;
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 25 ~ 35 weight part steps A are obtained 2stir in the homogeneous emulsifying machine of the synthetic slurry that suspension emulsion, step B obtain, 2 ~ 3 parts by weight of flame retardant and 3 ~ 5 weight part functional agents loading sealing, after abundant dispersing and mixing, obtain described water nano heat-insulating heat-preserving material.
In more detail the present invention will be described below.
The present invention relates to a kind of water nano heat-insulating heat-preserving material.
Described water nano heat-insulating heat-preserving material is made up of following component, with parts by weight:
Porous water nano SiO 2suspension emulsion 25 ~ 35;
Inorganic nano TiO 21 ~ 3;
Inorganic nano Bismuth Oxychloride 0.5 ~ 2;
Glass hollow microballoon 15 ~ 30;
Inorganic superfine material 3 ~ 5;
Functional agent 3 ~ 5;
Fire retardant 2 ~ 3;
Deionized water 25 ~ 35.
Described porous water nano SiO 2suspension emulsion is by 15 ~ 25 weight part aqueous acrylic emulsions, 30 ~ 35 weight part water-based acrylic adhesive emulsions, 25 ~ 35 weight part elastic emulsions and 5 ~ 15 weight part porous water nano SiO 2composition.
The aqueous acrylic emulsion that the present invention uses is due to its versatility, and weathering resistance and diversity, be widely applied in the every field of coating industry.Aqueous acrylic emulsion is that main vinyl monomer forms through letex polymerization by acrylate monomer.The paint film that aqueous acrylic emulsion is made has good weathering resistance, not easily xanthochromia, and hardness is high, good luster.The aqueous acrylic emulsion that the present invention uses is such as with trade(brand)name pure-acrylic emulsion EC-1791 product sold by LG-DOW company.
The water soluble acrylic acid pasty emulsion that the present invention uses is synthesized by pure-acrylic emulsion and organic silica gel, and water soluble acrylic acid pasty emulsion has the performances such as excellent cementability, snappiness, weathering resistance, contamination resistance and ageing resistance.Water soluble acrylic acid pasty emulsion take water as solvent, nontoxic, does not fire not quick-fried, is environmentally friendly machine.The water soluble acrylic acid pasty emulsion that the present invention uses is product sold in the market, the water soluble acrylic acid pasty emulsion such as sold with trade(brand)name pure-acrylic emulsion 568 by Beijing ROHM AND HAAS Chemical Co., Ltd..
The elastic emulsion that the present invention uses is acrylate and organosilyl multipolymer, and described elastic emulsion has the performances such as excellent rebound resilience, snappiness, cementability, water-repellancy, weathering resistance, contamination resistance and ageing resistance.Described elastic emulsion take water as solvent, nontoxic, does not fire not quick-fried, is environmentally friendly machine.The elastic emulsion that the present invention uses is product sold in the market, such as by Beijing Orient Chemical Co., Ltd.'s tomorrow with trade(brand)name elastic emulsion 728 product sold.
The porous water nano SiO that the present invention uses 2specific surface area be 600 ~ 800 ㎡/g, its porosity is 50 ~ 80%, and its aperture is 0.6 ~ 1.5nm, its mesoporous specific volume>=1000cm3/g.
In the present invention, the porous water nano SiO in water nano heat-insulating heat-preserving material of the present invention 2inorganic nano TiO 2specific surface area, porosity, aperture and mesoporous specific volume be the Omnisorp100CX type specific surface and the porosity analyser that use Coulter company of the U.S., adopt nitrogen adsorption method to measure under vacuum to obtain according to its working instructions.
Described porous water nano SiO 2effect in water nano heat-insulating heat-preserving material of the present invention increases coating closed pore negative space, improves thermal capacity and the thermal capacitance function of coating closed pore negative space, reduce thermal conductivity, reach the heat-storage heat-preserving effect of water nano heat-insulating heat-preserving material.
The porous, inorganic Nano-meter SiO_2 that the present invention uses 2it is the product that described by the patent of invention ZL96117042.5 of present inventor Zhang Lide professor prepared by method.
In the present invention, described water-based should be appreciated that it is that its product can make thinner or dispersion medium with water, and namely this product is water-based.
The inorganic nano TiO that the present invention uses 2to be specific surface area be, and 150 ~ 300 ㎡/g(adopt Omnisorp100CX type specific surface and the porosity analyser of Coulter companies of the U.S., adopt nitrogen adsorption method to measure under vacuum according to its working instructions) rutile type nano TiO 2, it is stable dispersion in water nano heat-insulating heat-preserving material system of the present invention.So-called stable dispersion should be appreciated that it is described inorganic nano TiO 2agglomeration can not be there is within its quality-guarantee time limit in water nano heat-insulating heat-preserving material of the present invention.
The inorganic nano TiO that the present invention uses 2effect in water nano heat-insulating heat-preserving material of the present invention enables its infrared light be radiated on water nano heat-insulating heat-preserving material surface of the present invention fully realize reflection.
The inorganic nano TiO that the present invention uses 2being product sold in the market, such as, is by Zhoushan Hong Noboru nano material company limited with trade(brand)name nano titanium oxide, production code member DT3-1 product sold.
The inorganic nano Bismuth Oxychloride that the present invention uses is nanometer ball or the nanometer rod of particle diameter 80 ~ 100nm, and its specific surface area is 200 ~ 300 ㎡/g, density (temperature 4 ~ 25 DEG C) 7.92g/mL, specific refractory power≤2.2; It is white glossiness nanoparticle.
In the present invention, the thermal conductivity of described inorganic nano Bismuth Oxychloride is low, and usual thermal conductivity should be less than 0.02 (W/ (m.k)).
In the present invention, the particle diameter of micro materials particle is used to be adopt mesh sieve method to measure; The particle diameter of nanoparticle adopts conventional N2 adsorption method or adopts conventional Eigenanalysis method to use scanning electron microscope to measure and obtains.
Described density adopts tap density measuring method to use tap density instrument to measure and obtains.
Described specific refractory power adopts infrared reflection method to use infrared external reflection tester to measure according to Infrared wavelength and obtains.
Described thermal absorptivity adopts specific heat capacity lifting and lowering method to utilize DSE differential scanning calorimetry instrument to measure and obtains.
Described thermal conductivity adopts relative method to use KT-6 Novosibirsk,Russia metering institute thermal conductivity measuring apparatus to measure and obtains.
The effect of inorganic nano Bismuth Oxychloride in water nano heat-insulating heat-preserving material that the present invention uses improves thermal radiation capability, reduction thermal conductivity.
The inorganic nano Bismuth Oxychloride that the present invention uses is product sold in the market, be such as by upper hamming too Chemical Co., Ltd., AlfaAesar (Tianjin) Chemical Co., Ltd. with trade(brand)name: Bismuth Oxychloride, English name: Bismuth Oxychloride, production code member: K603196 product sold.
The inorganic superfine material that the present invention uses should be appreciated that be a kind of there is high temperature resistant, low heat conduction, not easily decompose, the inorganic materials of particle diameter 0.3 ~ 1 micron that toxicity is low.It has the function of low heat conduction and high flame retardant in water nano heat-insulating heat-preserving material of the present invention.Every these chemical substances having this low heat conduction and high flame retardant function and don't can damage water nano heat-insulating heat-preserving material performance of the present invention may be used to the present invention, and they are also all within protection scope of the present invention.
The inorganic superfine material that the present invention uses is that one or more are selected from the zirconium white of particle diameter 0.3 ~ 1 micron, silicon-dioxide, titanium dioxide, Bismuth Oxychloride or diatomaceous inorganic superfine material.
These inorganic superfine materials that the present invention uses are all product solds in the market, such as, be the inorganic superfine material provided by Dalian Lu Ming nano material company limited, sky, Shanxi one nanosecond science and technology company limited, Jiangsu He Hai nanosecond science and technology company limited and Changbai mountain, Jilin diatomite ore Materials Co., Ltd.
The glass hollow microballoon that the present invention uses is the hollow ball-type glass powder material of a kind of micron-sized full closed pore, has the feature such as hollow, light weight, heat-insulation and heat-preservation, intensity is high, corrosion-resistant, water-intake rate is low, stable chemical performance.
The glass hollow microballoon that the present invention uses is made up of soda lime borosilicate matrix material, and its density (weightmeasurement ratio) 0.125 ~ 0.38g/cc, particle diameter is 10 ~ 80 μm.
The effect of glass hollow microballoon in water nano heat-insulating heat-preserving material that the present invention uses increases coating space thermal resistance function, reduction thermal conductivity.
The glass hollow microballoon that the present invention uses be by Minnesota Mining and Manufacturing Company produce at product sold in the market.
The fire retardant that the present invention uses is that one or more are selected from the fire retardant of low density magnesium hydroxide or aluminium hydroxide.
Described fire retardant also claims incombustible agent, flame-proofing agent or fireproofing agent usually, and it gives the functional aid that combustible polymers has flame retardancy.Every these chemical substances having this difficult combustion function and don't can damage water nano heat-insulating heat-preserving material performance of the present invention may be used to the present invention, and they are also all within protection scope of the present invention.
The fire retardant that the present invention uses is all product sold in the market.
Described functional agent is the auxiliary agent with wetting, dispersion, levelling, froth breaking and solidification function.
The functional agent that the present invention uses is that one or more are selected from the auxiliary agent of wetting agent, dispersion agent, flow agent, defoamer and solidifying agent.
These functional agents that the present invention uses are all product solds in the market.
Such as, described dispersion agent 750W, wetting agent WET-270, flow agent 3772 are such as selected from the product of import EFKA Chemical Co., Ltd..
Described defoamer is such as selected from the product of import BYK Chemical Co., Ltd. numbering 028.
Described solidifying agent is such as selected from the product of Guangzhou unexpected rival Chemical Co., Ltd. numbering BH-560.
In the present invention, porous water nano SiO 2suspension emulsion, inorganic nano TiO 2, inorganic nano Bismuth Oxychloride, glass hollow microballoon, inorganic superfine material, functional agent, fire retardant and deionized water be all absolutely necessary, and be also unallowed higher or lower than its content range in water nano heat-insulating heat-preserving material.
Such as, porous water nano SiO 2when the amount of suspension emulsion is 25 ~ 35 weight part, if its inorganic nano TiO 2amount lower than 1 weight part, then can reflected infrared ability decline; If its inorganic nano TiO 2amount be greater than 3 weight parts, then reflective infrared ability strengthen can be influenced to heat-storage heat-preserving; Therefore its inorganic nano TiO 2amount be 1 ~ 3 weight part be suitable.
Similarly, porous water nano SiO 2when the amount of suspension emulsion is 25 ~ 35 weight part, the amount of its glass hollow microballoon is lower than 15 weight parts, then thermal resistance ability can decline affects heat transfer coefficient; If the amount of its glass hollow microballoon is greater than 30 weight parts, then can affects the synergetic property of coating one-piece construction heat-insulation and heat-preservation function, have impact on the workability of coating simultaneously; Therefore the amount of its glass hollow microballoon is 15 ~ 30 weight parts is suitable.
Porous water nano SiO 2when the amount of suspension emulsion is 25 ~ 35 weight part, the amount of its inorganic nano Bismuth Oxychloride lower than 0.5 weight part, then can affect the heat transfer coefficient of structured material; If the amount of its inorganic nano Bismuth Oxychloride is greater than 2 weight parts, then can coordinate bad with other materials, and cost significantly increase; Therefore the amount of its inorganic nano Bismuth Oxychloride is 0.5 ~ 2 weight part is suitable.
Porous water nano SiO 2when the amount of suspension emulsion is 25 ~ 35 weight part, the amount of its inorganic superfine material lower than 3 weight parts, then can affect the integrally-built mechanical property of coating and thermal resistance function; If the amount of its inorganic superfine material is greater than 5 weight parts, then can strengthen coating density and rigidity, heat preservation and insulation declines on the contrary; Therefore the amount of its inorganic superfine material is 3 ~ 5 weight parts is suitable.
In the present invention, the performance of water nano heat-insulating heat-preserving material of the present invention can also all clearly be affected when the amount of described functional agent, fire retardant and deionized water exceedes scope described in it.
Preferably, described water nano heat-insulating heat-preserving material is made up of following component, with parts by weight:
Porous water nano SiO 2suspension emulsion 28 ~ 32;
Inorganic nano TiO 21.5 ~ 2.4;
Inorganic nano Bismuth Oxychloride 0.5 ~ 2;
Glass hollow microballoon 18 ~ 26;
Inorganic superfine material 3.8 ~ 4.2;
Functional agent 3.8 ~ 4.2;
Fire retardant 2.4 ~ 2.6;
Deionized water 26 ~ 32.
More preferably, described water nano heat-insulating heat-preserving material is made up of following component, with parts by weight:
Porous water nano SiO 2suspension emulsion 28 ~ 30;
Inorganic nano TiO 21.8 ~ 2.0;
Inorganic nano Bismuth Oxychloride 0.8 ~ 1.6;
Glass hollow microballoon 20 ~ 24;
Inorganic superfine material 4.0 ~ 4.2;
Functional agent 3.8 ~ 4.0;
Fire retardant 2.4 ~ 2.6;
Deionized water 28 ~ 30.
The present invention carries out designing according to the environment building structures, material, structure and service requirements.Can according to the engine request of the different building thermal technique climatic province of five, China, the different performance technologies index of appropriateness adjustment coating, the best cost performance during good result and construction work in the hope of reaching heat-insulation and heat-preservation use.The design of this active thermal-insulation energy-conservation technology and science, greatly can improve the heat insulation and preservation effect of inorganic materials, and the warming plate technique for sticking of traditional architecture exterior insulation work is changed into the brushing technique of heat-insulation and heat-preservation slurries, simplify the working procedure of architectural exterior insulation engineering greatly.Adopt the water nano heat-insulating heat-preserving material prepared by technical scheme of the present invention, effectively overcome the heat preservation technology of traditional passive type, material (material such as mineral wool, rock wool, polyphenyl) defect of product and the waste of the energy.Eliminating disaster hidden-trouble and harmful toxic matter harm simultaneously, reaching as safety, environmental protection, low consumption, carrying out architectural exterior insulation engineering efficiently, a kind of object of safe, environmentally friendly water nano heat-insulating heat-preserving material is provided.
Water nano heat-insulating heat-preserving material performance of the present invention can characterize with thermal conductivity and engineering wall heat transfer coefficient.
One, the mensuration of water nano heat-insulating heat-preserving material coating thermal conductivity of the present invention
Measuring method and condition determination as follows:
Use Novosibirsk,Russia metering institute KT-6 thermal conductivity measuring apparatus to measure under room temperature 23 DEG C ± 2 DEG C with the condition of relative humidity 40% ± 10%, its data are according to the method process described in these instrument working instructions.
Its measurement result is as follows:
Two, the mensuration of the engineering wall heat transfer coefficient of water nano heat-insulating heat-preserving material coating of the present invention
Measuring method and condition determination as follows:
According to GB/T13475-2008 adiabatic steady state heat transfer property testing standard, use JW-1 type wall insulation performance proofing unit to measure under room temperature 23 DEG C ± 2 DEG C with relative humidity 40% ± 10% condition, its data are according to the method process described in these instrument working instructions.
Its measurement result is as follows:
Apply 2 ㎜ water nano heat-insulating heat-preserving material of the present invention coating on the surface at 250 ㎜ clay brick concrete mortars shear wall of wiping one's face, measuring its wall heat transfer coefficient is 0.45W/m.k.
The invention still further relates to the preparation method of described water nano heat-insulating heat-preserving material.
The step of this preparation method is as follows:
A, prepare water nano composite suspension emulsion
By 15 ~ 25 weight part aqueous acrylic emulsions, 30 ~ 35 weight part water-based acrylic adhesive emulsions and 25 ~ 35 weight part elastic emulsions and 5 ~ 15 weight part porous water nano SiO 2load in the homogeneous emulsifying machine of sealing and stir, make porous water nano SiO 2in composite emulsion after fully dispersion, mixing evenly, obtain a kind of water nano composite suspension emulsion.
B, prepare synthetic slurry
By 1 ~ 3 parts by weight of inorganic nano-TiO 2, 0.5 ~ 2 parts by weight of inorganic nano oxygen bismuth chloride, 3 ~ 5 parts by weight of inorganic superfine materials and 25 ~ 35 parts by weight of deionized water load in the homogeneous emulsifying machine of sealing and carry out high speed shear grinding and obtain a kind of premix slurry; Then, in described premix slurry, add 15 ~ 30 parts by weight of glass tiny balloons again, homogeneous emulsifying machine is adjusted to low speed, proceeds to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, mixing compound evenly after, obtain described synthetic slurry;
C, prepare water nano heat-insulating heat-preserving material
Stirring at low speed is carried out in the homogeneous emulsifying machine of the synthetic slurry that the water nano composite suspension emulsion 25 ~ 35 weight part steps A obtained, step B obtain, 2 ~ 3 parts by weight of flame retardant and 3 ~ 5 weight part functional agents loading sealing, after abundant dispersing and mixing, obtain described water nano heat-insulating heat-preserving material.
The homogeneous emulsifying machine that the present invention uses, support equipment and utility appliance be all sell in the market chemical industry, coating material production mechanical means product.
About water nano suspension emulsion, inorganic nano TiO 2, inorganic nano Bismuth Oxychloride, glass hollow microballoon, inorganic superfine material, functional agent, fire retardant and deionized water situation describe above, do not repeat them here.
The using method of water nano heat-insulating heat-preserving material of the present invention:
(1) using method: coating form of construction work;
(2) envrionment conditions: air themperature 10 DEG C ~ 60 DEG C, atmospheric moisture 10% ~ 80%.
(3) instrument is used: airless sprayer, hairbrush, electric mixer
(4) tool demands:
1. airless sprayer operating pressure: 15 ~ 18Mpa
2. flexible pipe: 9.5mm × 15m high pressure hose
3. flow is sprayed: 1.47 ~ 4.42L/min
(5) modulate:
First water nano heat-insulating heat-preserving material is placed in container electric mixer to stir evenly, is then blended into 30 ~ 40% deionized waters, stir (stirring of dilution limit, limit) evenly with electric mixer.
(6) coating decoration:
1. seal coat:
Cleaning metope, at the special-purpose aqueous priming paint of water nano heat-insulating heat-preserving material of wall surface spraying 0.1 ~ 0.2mm, plays the effect increasing sticking power, protection water nano heat-insulating heat-preserving material coating;
2. water nano heat-insulating heat-preserving material coating:
First pass: deployed water nano heat-insulating heat-preserving material Airless spraying rifle is sprayed on metope coatingsurface 1., and coat-thickness remains on 0.3 ~ 0.5mm;
Second time: after first pass coating surface drying, be sprayed in first pass coating by second time deployed water nano heat-insulating heat-preserving material, coat-thickness remains on 0.5 ~ 0.8mm;
3rd time: after second time coating surface drying, be sprayed in second time coating by the 3rd time deployed water nano heat-insulating heat-preserving material, coat-thickness remains on 0.5 ~ 0.8mm
The thermal technology climatic province different according to China and different building structure requirements, water nano heat-insulating heat-preserving material coat-thickness on average at 1.0 ~ 3.5mm, can according to execution conditions grasp coating coat-thickness and construction times.
3. coating is flattened:
On water nano thermal insulation coat surface, the special aquosity heat insulating heat preserving putty of use nano heat-insulating lagging material carries out levelling and polishes flat;
4. top coat:
The aquosity heat insulating heat preserving putty surface polished flat; by the method for building external paint application (spray, roll, brush); the water nano heat-insulation and heat-preservation topcoating that application twice water nano heat-insulation and heat-preservation is special, plays the effect improving heat-insulation and heat-preservation function, protection water nano heat-insulating heat-preserving material coating.
(7) coating specification:
1. execution conditions: temperature more than 5 DEG C fine days (more than cloudy day, rainy day or strong breeze unsuitable application); Scope of operation drying is advisable,
Basal plane humidity can be constructed (having open fire or water ratio should not construct 90%);
2. repainting hours: heat-insulating heat-preserving material every layer coating requires to be not less than 2 hours/25 DEG C interval time;
3. curing time: after heat-insulating heat-preserving material construction, outdoor coating surface drying needs 2 ~ 4 hours/25 DEG C, does solid work 7 days;
4. curing requirements: evaporation curable under natural condition normal temperature environment after the construction of heat-insulating heat-preserving material coating, without the need to special curing, surface Do Not Touch, trample and collide with sharp objects, until complete drying and solidification after can be coated with special-purpose aqueous nano heat-insulating heat preservation putty and top coat.
(8) precaution:
1. coat-thickness: require and the different sites of buildings according to engineering difference, the brushing thickness difference of heat-insulating heat-preserving material coating;
2. practical doses: 1.5 ~ 2kg/ ㎡, requires different according to basal plane degree of roughness with constructional method, slightly increases and decreases by doses;
3. to not needing the region of brushing should do suitable covering treatment;
4. materials of constructing require to leave 0 ~ 35 DEG C of cool place, dry place in.Now adjust existing use during use, be once finished.Surplus material to obturage in case solidify and enter impurity cause material go bad;
5. as material splash touches skin in constructing, should rinse with clear water immediately; After all instruments are finished, application water cleans up;
6. forbid surplus material to be poured in water drain or water shoot, can not throw aside everywhere.
Accompanying drawing 1 is the microphotograph of water nano heat-insulating heat-preserving material coating of the present invention, and this photo clearly illustrates that it is coated with layer microstructure.
The use range of water nano heat-insulating heat-preserving material of the present invention:
Water nano heat-insulating heat-preserving material of the present invention is applicable to build the heat-insulation and heat-preservation of the industrial circle such as (high temperature facility, pipe network) of the inside and outside heat-insulation and heat-preservation engineering of structures, oil, chemical industry accumulating (tank, car body, pipeline), automobile making, naval vessel, communications and transportation (vehicle, freight container) and industry (heavy industry machinery, steel construction wall, buckle) boiler, electric heating device and textile printing and dyeing.
[beneficial effect]
Beneficial effect of the present invention:
1, water nano heat-insulating heat-preserving material of the present invention, the synergistic effect of collection radiation, obstruct and closed pore negative space heat-storage heat-preserving technology and micron-nano material function, be combined into water nano thermal insulation coat system, this coating system can according to the Different climate feature of China five building thermal technique climatic provinces and engine request, heat preservation and insulation technical indicator in appropriateness adjustment material structure, the best cost performance during good result and construction work in the hope of reaching heat-insulation and heat-preservation use.The heat insulation heat preservation energy-saving technology of this active, can improve the heat insulation and preservation effect of inorganic materials greatly, while lifting building heat insulation engineering index, has saved a large amount of resources and the energy.This advantage, the waste of the resource that the defect such as heat preservation and insulation method and numerous and diverse operation that effectively compensate for the single passive type of conventional vacuum lagging material causes and the energy.
2, the water nano heat-insulating heat-preserving material prepared of the present invention, becomes liquid material by the reform of traditional warming plate material, constructs by the form of coating.The heat insulation construction technology of building heat preservation of this simplification, farthest simplify working procedure, decrease labour intensity, improve work efficiency, significantly reduce the comprehensive cost of engineering, and can construct at various complicated construction interface unfetteredly, effectively overcome the various defect of heat insulating product and the limitation of construction technology that conventional vacuum lagging material (material such as mineral wool, rock wool, polyphenyl) makes.Expand the Application Areas of thermal insulation technology, material greatly.
3, because water nano heat-insulating heat-preserving material has toxicological harmless mass emissions and incombustible absolute predominance, this safety, environmental protection characteristic, effectively overcome the poor and major defect of not environmentally (toxic property mass emissions) of conventional vacuum lagging material fire resistance, eliminate the disaster hidden-trouble of building heat preservation insulation contractors, the heat insulating engineering of China's urban construction is really reached: the object of the eco-friendly construction of safety, efficient, energy-saving and environmental protection.
The positively effect that water nano heat-insulating heat-preserving material of the present invention and existing traditional material have in performance, economy, environmental protection etc. is described below:
(1) performance comparison:
1. the method adopting present specification to describe measures, and the thermal conductivity of water nano heat-insulating heat-preserving material coating of the present invention is 0.031 ~ 0.033W/ ﹙ m.k ﹚; Thermal conductivity 0.036 ~ 0.041W/ ﹙ m.k ﹚ of conventional vacuum plate (polyphenyl, rock wool, mineral wool).The thermal conductivity of water nano heat-insulating heat-preserving material coating of the present invention is obviously better than the thermal conductivity of conventional vacuum plate (polyphenyl, rock wool, mineral wool).
2. adopt 250 ㎜ clay brick concrete mortars wipe one's face shear wall, 2 ㎜ water nano heat-insulating heat-preserving material coatings insulation, wall heat transfer coefficient is 0.55W/m.k; The wall heat transfer coefficient of the thick insulation of conventional vacuum plate (polyphenyl, rock wool, mineral wool) 30 ㎜ is 0.55W/m.k.Show thus, the wall heat transfer coefficient of 2 ㎜ water nano heat-insulating heat-preserving material of the present invention coating is equivalent to the wall heat transfer coefficient of conventional vacuum plate (polyphenyl, rock wool, mineral wool) 30 ㎜ thickness.
(2) economic efficiency contrast:
1. work simplification improves project benefit
Water nano heat-insulating heat-preserving material of the present invention, the mode applied is taked to carry out the construction of external wall thermal insulation coat, average each man-hour can the wall area of application 150 ~ 180 square metres, than conventional vacuum plate (polyphenyl, rock wool, mineral wool) external wall heat-insulation and heat-preservation construction, the average wall area can installing 30 ~ 50 square metres each man-hour, improve 3 ~ 5 times, on average the engineering cost of wall area of every square metre is 120 ~ 160 yuan, water nano heat-insulating heat-preserving material coating project of the present invention, it is 18000 ~ 24000 yuan that average each work time cost is worth, conventional vacuum plate (polyphenyl, rock wool, mineral wool) installation, it is 4800 ~ 6000 yuan that average each work time cost is worth.Show thus, the external wall heat-insulation and heat-preservation construction of water nano heat-insulating heat-preserving material of the present invention, the work efficiency value created average each man-hour is the external wall heat-insulation and heat-preservation construction of conventional vacuum plate (polyphenyl, rock wool, mineral wool), average each 3 ~ 5 times that man-hour, work efficiency was worth.
2. operation simplification reduces engineering comprehensive cost
Carry out the construction of external wall heat-insulation and heat-preservation because water nano heat-insulating heat-preserving material of the present invention takes coating method, significantly simplify the installation operation that Conventional insulation (warming plate) is complicated, significantly reduce the comprehensive cost of engineering.Rough estimates, the comprehensive cost of comprehensive cost and Conventional insulation (warming plate) that water nano heat-insulating heat-preserving material of the present invention takes coating method to carry out the construction of external wall heat-insulation and heat-preservation contrasts remarkable in economical benefits.
(3) security advantages contrast:
What 1. water nano heat-insulating heat-preserving material of the present invention used is all ultra micro inorganic materials, self has uninflammability, part aqueous acrylic emulsion and functional agent organic materials, after flame-retarded technology process, one-piece construction becomes difficult combustion or non-fire material, water nano heat-insulating heat-preserving material of the present invention measures through dry-matter burning, and combustion testing grade is A level.However, because water nano heat-insulating heat-preserving material of the present invention is in liquid form, applies form of construction work, incendivity condition is fundamentally eliminated, so water nano heat-insulating heat-preserving material of the present invention is the safe material completely eliminating disaster hidden-trouble.
2. traditional building heat insulation material, such as EPS plate, XPS plate, PU organic heat-insulating heat-preserving material such as to hard bubble belongs to the inflammable material of floc, although national regulation must carry out flame-retarded technology process to traditional building heat insulation material, fire resistance is still poor.Especially during styrofoam burning, polystyrene flame high temperature can more than 1000 DEG C, and thermal-flame and thermal radiation thereof can be dead the built-in people of very short time., in addition, the melting drippage produced during burning and the contact of melt can cause serious burn, bring difficulty and danger to fire-fighting and rescue.
(4) environment-friendly advantage contrast:
What 1. water nano heat-insulating heat-preserving material of the present invention used is all the materials such as inorganic nano material, ultra micro inorganic materials and aqueous acrylic emulsion, and self has environmental protection characteristic.Utilization rate of raw materials in this Material Manufacturing Process is almost 100%, does not have the discharge of industrial residue, waste water, waste gas, dust, noise and peculiar smell, takes coating construction, without any floating matter and waste lump.So water nano heat-insulating heat-preserving material of the present invention is the heat-insulating heat-preserving material of novel environmental close friend of safety, efficient, energy-saving and environmental protection.
2. traditional building heat insulation material, such as EPS plate, XPS plate, PU organic heat-insulating heat-preserving material such as to hard bubble contains a large amount of radioactive substances, show according to national statistics analysis, because building heat insulation engineering employs above-mentioned materials, CO causes the major cause that people is poisoned to death in a fire.In addition, the poisonous gas produced during organic insulation material burning is also cause the major reason that people is poisoned to death.Such as decompose in styrofoam combustion processes and produce a large amount of benzene, toluene, formaldehyde etc., hard-foam polyurethane then can produce the hazardous compounds such as prussic acid, phosgene, HCL and isocyanic ester.Can causing death when cyanide content in blood of human body reaches more than 3mg/ml.A large amount of waste lump that traditional building heat insulation material and form of construction work can produce.So the pollution of the construction environment that traditional building heat insulation material causes and disaster hidden-trouble moment threaten and destroy our living environment.
[accompanying drawing explanation]
Fig. 1: the electromicroscopic photograph of water nano heat-insulating heat-preserving material coating of the present invention
[embodiment]
The present invention can be understood better by following embodiment.
Embodiment 1: the preparation of water nano heat-insulating heat-preserving material
The implementation step of this embodiment is as follows:
A, preparation porous water nano SiO 2suspension emulsion
The elastic emulsion that water soluble acrylic acid pasty emulsion, 26 weight parts that the aqueous acrylic emulsion sold with trade(brand)name pure-acrylic emulsion EC-1791 by LG-DOW company by 16 weight parts, 30 weight parts are sold with trade(brand)name pure-acrylic emulsion 568 by Beijing ROHM AND HAAS Chemical Co., Ltd. are sold with trade(brand)name elastic emulsion 728 by Beijing Orient Chemical Co., Ltd.'s tomorrow and porous water nano SiO prepared by 7 weight parts method described by ZL96117042.5 2load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By the inorganic nano TiO that 1.5 weight parts are sold with trade(brand)name nano titanium oxide by Zhoushan Hong Noboru nano material company limited 2, the inorganic superfine material of zirconium white of particle diameter 0.3 ~ 1 micron sold by Dalian Lu Ming nano material company limited by upper hamming inorganic nano Bismuth Oxychloride, 3 weight parts that too Chemical Co., Ltd. sells with trade(brand)name Bismuth Oxychloride of 0.5 weight part and 25 parts by weight of deionized water load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and carry out high speed shear grinding, obtain a kind of premix slurry; Then, in described premix slurry, add the glass hollow microballoon of 20 weight parts by Minnesota Mining and Manufacturing Company's production and sales again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry;
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 28 weight part steps A are obtained 2stir in the sealing homogeneous emulsifying machine described in functional agent (wetting agent 0.3 weight part, dispersion agent 0.6 weight part, flow agent 1.5 weight part, defoamer 0.2 weight part and solidifying agent 1.2 weight part) loading of the synthetic slurry that suspension emulsion, step B obtain, 2 weight part low density flame retardant of magnesium hydroxide and 3.8 weight parts, after abundant dispersing and mixing, obtain described water nano heat-insulating heat-preserving material.
The method adopting present specification to describe, determining water nano heat-insulating heat-preserving material coating thermal conductivity prepared by the present embodiment is 0.032W/m..k; Engineering wall heat transfer coefficient is 0.56W/m..k.
Embodiment 2: the preparation of water nano heat-insulating heat-preserving material
The implementation step of this embodiment is as follows:
A, preparation porous water nano SiO 2suspension emulsion
The elastic emulsion that water soluble acrylic acid pasty emulsion, 32 weight parts that the aqueous acrylic emulsion sold with trade(brand)name pure-acrylic emulsion EC-1791 by LG-DOW company by 22 weight parts, 35 weight parts are sold with trade(brand)name pure-acrylic emulsion 568 by Beijing ROHM AND HAAS Chemical Co., Ltd. are sold with trade(brand)name pure-acrylic emulsion 728 by Beijing Orient Chemical Co., Ltd.'s tomorrow and porous water nano SiO prepared by 13 weight parts method described by ZL96117042.5 2load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By the inorganic nano TiO that 2.4 weight parts are sold with trade(brand)name nano titanium oxide by Zhoushan Hong Noboru nano material company limited 2, the silica inorganic superfine material of particle diameter 0.3 ~ 1 micron sold by sky, Shanxi one nanosecond science and technology company limited of 2 weight parts inorganic nano Bismuth Oxychloride, 5 weight parts sold with trade(brand)name Bismuth Oxychloride by AlfaAesar (Tianjin) Chemical Co., Ltd. and 35 parts by weight of deionized water load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited, carry out high speed shear grinding and obtain a kind of premix slurry; Then, in described premix slurry, add the glass hollow microballoon of 24 weight parts by Minnesota Mining and Manufacturing Company's production and sales again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry;
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 32 weight part steps A are obtained 2stir in the sealing homogeneous emulsifying machine described in functional agent (wetting agent 0.3 weight part, dispersion agent 0.8 weight part, flow agent 1.5 weight part, defoamer 0.2 weight part and solidifying agent 1.2 weight part) loading of the synthetic slurry that suspension emulsion, step B obtain, 3 weight part low density aluminium hydroxide fire retardants and 4.0 weight parts, after abundant dispersing and mixing, obtain described water nano heat-insulating heat-preserving material.
The method adopting present specification to describe, determining water nano heat-insulating heat-preserving material coating thermal conductivity prepared by the present embodiment is 0.032W/m.k; Engineering wall heat transfer coefficient is 0.055W/m.k.
Embodiment 3: the preparation of water nano heat-insulating heat-preserving material
The implementation step of this embodiment is as follows:
A, preparation porous water nano SiO 2suspension emulsion
The elastic emulsion that water soluble acrylic acid pasty emulsion, 25 weight parts that the aqueous acrylic emulsion sold with trade(brand)name pure-acrylic emulsion EC-1791 by LG-DOW company by 15 weight parts, 31 weight parts are sold with trade(brand)name pure-acrylic emulsion 568 by Beijing ROHM AND HAAS Chemical Co., Ltd. are sold with trade(brand)name elastic emulsion 728 by Beijing Orient Chemical Co., Ltd.'s tomorrow and porous water nano SiO prepared by 5 weight parts method described by ZL96117042.5 2load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By the inorganic nano TiO that 1 weight part is sold with trade(brand)name nano titanium oxide by Zhoushan Hong Noboru nano material company limited 2, the titanium oxide inorganic superfine material of particle diameter 0.3 ~ 1 micron sold by Jiangsu He Hai nanosecond science and technology company limited of 0.5 weight part inorganic nano Bismuth Oxychloride, 4.0 weight parts sold with trade(brand)name Bismuth Oxychloride by AlfaAesar (Tianjin) Chemical Co., Ltd. and 26 parts by weight of deionized water load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and carry out high speed shear and grind and obtain a kind of premix slurry; Then, in described premix slurry, add the glass hollow microballoon of 15 weight parts by Minnesota Mining and Manufacturing Company's production and sales again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry;
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 25 weight part steps A are obtained 2functional agent (wetting agent 0.3 weight part, dispersion agent 0.6 weight part, flow agent 0.9 weight part, defoamer 0.2 weight part and the solidifying agent 1 weight part) loading of the synthetic slurry that suspension emulsion, step B obtain, 2.4 weight part low density fire retardants and 3 weight parts is stirred by the homogeneous emulsifying machine of Shanghai Sheng Haiwei electrical instrument company limited sale, obtains described water nano heat-insulating heat-preserving material after abundant dispersing and mixing.
The method adopting present specification to describe, determining water nano heat-insulating heat-preserving material coating thermal conductivity prepared by the present embodiment is 0.036W/m.k; Engineering wall heat transfer coefficient is 0.58W/m.k.
Embodiment 4: the preparation of water nano heat-insulating heat-preserving material
The implementation step of this embodiment is as follows:
A, preparation porous water nano SiO 2suspension emulsion
The elastic emulsion that water soluble acrylic acid pasty emulsion, 35 weight parts that the aqueous acrylic emulsion sold with trade(brand)name pure-acrylic emulsion EC-1791 by LG-DOW company by 25 weight parts, 34 weight parts are sold with trade(brand)name pure-acrylic emulsion 568 by Beijing ROHM AND HAAS Chemical Co., Ltd. are sold with trade(brand)name elastic emulsion 728 by Beijing Orient Chemical Co., Ltd.'s tomorrow and porous water nano SiO prepared by 15 weight parts method described by ZL96117042.5 2load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By the inorganic nano TiO that 3 weight parts are sold with trade(brand)name nano titanium oxide by Zhoushan Hong Noboru nano material company limited 2, the inorganic superfine material of Bismuth Oxychloride of particle diameter 0.3 ~ 1 micron sold by Changbai mountain, Jilin diatomite ore Materials Co., Ltd by upper hamming inorganic nano Bismuth Oxychloride, 4.2 weight parts that too Chemical Co., Ltd. sells with trade(brand)name Bismuth Oxychloride of 2 weight parts and 32 parts by weight of deionized water load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and carry out high speed shear and grind and obtain a kind of premix slurry; Then, in described premix slurry, add the glass hollow microballoon of 30 weight parts by Minnesota Mining and Manufacturing Company's production and sales again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry;
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 35 weight part steps A are obtained 2functional agent (wetting agent 0.5 weight part, dispersion agent 0.8 weight part, flow agent 1.8 weight part, defoamer 0.2 weight part and the solidifying agent 1.7 weight part) loading of the synthetic slurry that suspension emulsion, step B obtain, 2.6 weight part low density flame retardant of magnesium hydroxide and 5 weight parts is stirred by the homogeneous emulsifying machine of Shanghai Sheng Haiwei electrical instrument company limited sale, obtains described water nano heat-insulating heat-preserving material after abundant dispersing and mixing.
The method adopting present specification to describe, determining water nano heat-insulating heat-preserving material coating thermal conductivity prepared by the present embodiment is 0.031W/m.k; Engineering wall heat transfer coefficient is 0.53W/m.k.
Embodiment 5: the preparation of water nano heat-insulating heat-preserving material
The implementation step of this embodiment is as follows:
A, preparation porous water nano SiO 2suspension emulsion
The elastic emulsion that water soluble acrylic acid pasty emulsion, 28 weight parts that the aqueous acrylic emulsion sold with trade(brand)name pure-acrylic emulsion EC-1791 by LG-DOW company by 18 weight parts, 32 weight parts are sold with trade(brand)name pure-acrylic emulsion 568 by Beijing ROHM AND HAAS Chemical Co., Ltd. are sold with trade(brand)name elastic emulsion 728 by Beijing Orient Chemical Co., Ltd.'s tomorrow and porous water nano SiO prepared by 9 weight parts method described by ZL96117042.5 2load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By the inorganic nano TiO that 1.8 weight parts are sold with trade(brand)name nano titanium oxide by Zhoushan Hong Noboru nano material company limited 2, the inorganic superfine material of diatomite of particle diameter 0.3 ~ 1 micron sold by Dalian Lu Ming nano material company limited of 0.8 weight part inorganic nano Bismuth Oxychloride, 3.8 weight parts sold with trade(brand)name Bismuth Oxychloride by AlfaAesar (Tianjin) Chemical Co., Ltd. and 28 parts by weight of deionized water load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and carry out high speed shear and grind and obtain a kind of premix slurry; Then, in described premix slurry, add the glass hollow microballoon of 18 weight parts by Minnesota Mining and Manufacturing Company's production and sales again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry;
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 28 weight part steps A are obtained 2functional agent (wetting agent 0.3 weight part, dispersion agent 0.6 weight part, flow agent 1.5 weight part, defoamer 0.2 weight part and the solidifying agent 1.2 weight part) loading of the synthetic slurry that suspension emulsion, step B obtain, 2.4 weight part low density aluminium hydroxide fire retardants and 3.8 weight parts is stirred by the homogeneous emulsifying machine of Shanghai Sheng Haiwei electrical instrument company limited sale, obtains described water nano heat-insulating heat-preserving material after abundant dispersing and mixing.
The method adopting present specification to describe, determining water nano heat-insulating heat-preserving material coating thermal conductivity prepared by the present embodiment is 0.033W/m.k; Engineering wall heat transfer coefficient is 0.57W/m.k.
Embodiment 6: the preparation of water nano heat-insulating heat-preserving material
The implementation step of this embodiment is as follows:
A, preparation porous water nano SiO 2suspension emulsion
The aqueous acrylic emulsion that 20 weight parts are sold with trade(brand)name pure-acrylic emulsion EC-1791 by LG-DOW company, 33 weight parts by Beijing ROHM AND HAAS Chemical Co., Ltd. with trade(brand)name pure-acrylic emulsion 568 ... the elastic emulsion that the water soluble acrylic acid pasty emulsion sold, 30 weight parts are sold with trade(brand)name elastic emulsion 728 by Beijing Orient Chemical Co., Ltd.'s tomorrow and porous water nano SiO prepared by 12 weight parts method described by ZL96117042.5 2load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By the inorganic nano TiO that 2.0 weight parts are sold with trade(brand)name nano titanium oxide by Zhoushan Hong Noboru nano material company limited 2, 1.6 weight parts inorganic nano Bismuth Oxychloride, 4.2 weight parts sold with trade(brand)name Bismuth Oxychloride by AlfaAesar (Tianjin) Chemical Co., Ltd. AZO(aluminum oxide, the zinc oxide composite oxides of particle diameter 0.3 ~ 1 micron sold by sky, Shanxi one nanosecond science and technology company limited) inorganic superfine material and 30 parts by weight of deionized water load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and carry out high speed shear and grind and obtain a kind of premix slurry; Then, in described premix slurry, add the glass hollow microballoon of 26 weight parts by Minnesota Mining and Manufacturing Company's production and sales again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry;
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 30 weight part steps A are obtained 2functional agent (wetting agent 0.4 weight part, dispersion agent 0.6 weight part, flow agent 1.8 weight part, defoamer 0.2 weight part and the solidifying agent 1.2 weight part) loading of the synthetic slurry that suspension emulsion, step B obtain, 2.6 weight part low density flame retardant of magnesium hydroxide and 4.2 weight parts is stirred by the homogeneous emulsifying machine of Shanghai Sheng Haiwei electrical instrument company limited sale, obtains described water nano heat-insulating heat-preserving material after abundant dispersing and mixing.
The method adopting present specification to describe, determining water nano heat-insulating heat-preserving material coating thermal conductivity prepared by the present embodiment is 0.032W/m.k; Engineering wall heat transfer coefficient is 0.054W/m.k.
Embodiment 7: the preparation of water nano heat-insulating heat-preserving material
The implementation step of this embodiment is as follows:
A, preparation porous water nano SiO 2suspension emulsion
The elastic emulsion that water soluble acrylic acid pasty emulsion, 25 weight parts that the aqueous acrylic emulsion sold with trade(brand)name pure-acrylic emulsion EC-1791 by LG-DOW company by 16 weight parts, 35 weight parts are sold with trade(brand)name pure-acrylic emulsion 568 by Beijing ROHM AND HAAS Chemical Co., Ltd. are sold with trade(brand)name elastic emulsion 728 by Beijing Orient Chemical Co., Ltd.'s tomorrow and porous water nano SiO prepared by 15 weight parts method described by ZL96117042.5 2load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By the inorganic nano TiO that 1.5 weight parts are sold with trade(brand)name nano titanium oxide by Zhoushan Hong Noboru nano material company limited 2, the inorganic nano Bismuth Oxychloride that 2 weight parts are sold with trade(brand)name Bismuth Oxychloride by AlfaAesar (Tianjin) Chemical Co., Ltd., the zirconium white of the particle diameter 0.3 ~ 1 micron that 4.0 weight parts are sold by Dalian Lu Ming nano material company limited, silicon-dioxide and titanium dioxide blends (weight ratio 1: 1:1) inorganic superfine material and 32 parts by weight of deionized water load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited carries out high speed shear and grinds and obtain a kind of premix slurry, then, in described premix slurry, add the glass hollow microballoon of 18 weight parts by Minnesota Mining and Manufacturing Company's production and sales again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry,
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 28 weight part steps A are obtained 2the functional agent (wetting agent 0.5 weight part, dispersion agent 0.8 weight part, flow agent 1.8 weight part, defoamer 0.2 weight part and solidifying agent 0.9 weight part) of the synthetic slurry that suspension emulsion, step B obtain, 2.4 weight part low density magnesium hydroxides and alumag (weight ratio 1:1) fire retardant and 4.2 weight parts loads in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and stirs, and obtains described water nano heat-insulating heat-preserving material after abundant dispersing and mixing.
The method adopting present specification to describe, determining water nano heat-insulating heat-preserving material coating thermal conductivity prepared by the present embodiment is 0.032W/m.k; Engineering wall heat transfer coefficient is 0.55W/m.k.
Embodiment 8: the preparation of water nano heat-insulating heat-preserving material
The implementation step of this embodiment is as follows:
A, preparation porous water nano SiO 2suspension emulsion
The elastic emulsion that water soluble acrylic acid pasty emulsion, 35 weight parts that the aqueous acrylic emulsion sold with trade(brand)name pure-acrylic emulsion EC-1791 by LG-DOW company by 20 weight parts, 32 weight parts are sold with trade(brand)name pure-acrylic emulsion 568 by Beijing ROHM AND HAAS Chemical Co., Ltd. are sold with trade(brand)name pure-acrylic emulsion 568 by Beijing Orient Chemical Co., Ltd.'s tomorrow and porous water nano SiO prepared by 5 weight parts method described by ZL96117042.5 2load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By the inorganic nano TiO that 2.0 weight parts are sold with trade(brand)name nano titanium oxide by Zhoushan Hong Noboru nano material company limited 2, 0.8 weight part is by the upper hamming too inorganic nano Bismuth Oxychloride sold with trade(brand)name Bismuth Oxychloride of Chemical Co., Ltd., the Bismuth Oxychloride of the particle diameter 0.3 ~ 1 micron that 4.0 weight parts are sold by Jiangsu He Hai nanosecond science and technology company limited, diatomite, AZO(aluminum oxide, zinc oxide composite oxides) and ATO(stannic oxide, weisspiessglanz composite oxides) mixture (weight ratio 1:2:0.6:0.8) inorganic superfine material and 32 parts by weight of deionized water load in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and carry out high speed shear and grind and obtain a kind of premix slurry, then, in described premix slurry, add the glass hollow microballoon of 15 weight parts by Minnesota Mining and Manufacturing Company's production and sales again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry,
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 30 weight part steps A are obtained 2the functional agent (wetting agent 0.3 weight part, dispersion agent 0.6 weight part, flow agent 1.6 weight part, defoamer 0.2 weight part and solidifying agent 1.1 weight part) of the synthetic slurry that suspension emulsion, step B obtain, 2.4 weight part low density magnesium hydroxides and alumag (weight ratio 2:1.6) fire retardant and 3.8 weight parts loads in the homogeneous emulsifying machine sold by Shanghai Sheng Haiwei electrical instrument company limited and stirs, and obtains described water nano heat-insulating heat-preserving material after abundant dispersing and mixing.
The method adopting present specification to describe, determining water nano heat-insulating heat-preserving material coating thermal conductivity prepared by the present embodiment is 0.035W/m.k; Engineering wall heat transfer coefficient is 0.58W/m.k.

Claims (10)

1. a water nano heat-insulating heat-preserving material, is characterized in that it is made up of following component, with parts by weight:
Described porous water nano SiO 2suspension emulsion is by 15 ~ 25 weight part aqueous acrylic emulsions, 30 ~ 35 weight part water-based acrylic adhesive emulsions, 25 ~ 35 weight part elastic emulsions and 5 ~ 15 weight part porous water nano SiO 2composition.
2. water nano heat-insulating heat-preserving material according to claim 1, is characterized in that it is made up of following component, with parts by weight:
3. water nano heat-insulating heat-preserving material according to claim 1 and 2, is characterized in that described porous water nano SiO 2specific surface area be 600 ~ 800 ㎡/g, its porosity is 50 ~ 80%, and its hole dimension is 0.6 ~ 1.5nm, its mesoporous specific volume>=1000cm 3/ g.
4. water nano heat-insulating heat-preserving material according to claim 1 and 2, is characterized in that described inorganic nano TiO 2the rutile type nano TiO of specific surface area 150 ~ 300 ㎡/g 2.
5. water nano heat-insulating heat-preserving material according to claim 1 and 2, is characterized in that described inorganic nano Bismuth Oxychloride is particle diameter 80 ~ 100nm, the Bismuth Oxychloride nanometer ball of specific surface area 200 ~ 300 ㎡/g, density 7.88 ~ 7.95g/mL and specific refractory power≤2.2 or nanometer rod.
6. water nano heat-insulating heat-preserving material according to claim 1 and 2, is characterized in that described inorganic superfine material is that one or more are selected from the zirconium white of particle diameter 0.3 ~ 1 micron, silicon-dioxide, titanium dioxide, Bismuth Oxychloride or diatomaceous inorganic superfine material.
7. water nano heat-insulating heat-preserving material according to claim 1 and 2, is characterized in that described glass hollow microballoon is made up of soda lime borosilicate matrix material, and its density is 0.125 ~ 0.38g/cc and particle diameter 10 ~ 80 μm.
8. water nano heat-insulating heat-preserving material according to claim 1 and 2, is characterized in that described fire retardant is that one or more are selected from the fire retardant of low density magnesium hydroxide or aluminium hydroxide.
9. water nano heat-insulating heat-preserving material according to claim 1 and 2, is characterized in that described functional agent is that one or more are selected from the auxiliary agent of wetting agent, dispersion agent, flow agent, defoamer or solidifying agent.
10. the preparation method of water nano heat-insulating heat-preserving material according to claim 1 or 2, is characterized in that the step of this preparation method is as follows:
A, preparation porous water nano SiO 2suspension emulsion
By 15 ~ 25 weight part aqueous acrylic emulsions, 30 ~ 35 weight part water-based acrylic adhesive emulsions, 25 ~ 35 weight part elastic emulsions and 5 ~ 15 weight part porous water nano SiO 2load in the homogeneous emulsifying machine of sealing and be uniformly mixed, make porous water nano SiO 2in these emulsions, fully dispersion, miscible compound evenly, obtain a kind of porous water nano SiO 2suspension emulsion;
B, prepare synthetic slurry
By 1 ~ 3 parts by weight of inorganic nano-TiO 2, 0.5 ~ 2 parts by weight of inorganic nano oxygen bismuth chloride, 3 ~ 5 parts by weight of inorganic superfine materials and 25 ~ 35 parts by weight of deionized water load in the homogeneous emulsifying machine of sealing and carry out high speed shear grinding and obtain a kind of premix slurry; Then, in described premix slurry, add 15 ~ 30 parts by weight of glass tiny balloons again, proceed to be uniformly mixed, make nano-TiO 2, nano oxygen bismuth chloride, inorganic superfine material fully disperse in deionized water, miscible compound evenly after, obtain described synthetic slurry;
C, prepare water nano heat-insulating heat-preserving material
The porous water nano SiO that 25 ~ 35 weight part steps A are obtained 2stir in the homogeneous emulsifying machine of the synthetic slurry that suspension emulsion, step B obtain, 2 ~ 3 parts by weight of flame retardant and 3 ~ 5 weight part functional agents loading sealing, after abundant dispersing and mixing, obtain described water nano heat-insulating heat-preserving material.
CN201310063179.0A 2013-02-28 2013-02-28 Water-based nano heat insulation material and preparation method thereof CN103087605B (en)

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