CN103555042A - Thermal insulating putty for exterior wall of building and preparation method thereof - Google Patents
Thermal insulating putty for exterior wall of building and preparation method thereof Download PDFInfo
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- CN103555042A CN103555042A CN201310601390.3A CN201310601390A CN103555042A CN 103555042 A CN103555042 A CN 103555042A CN 201310601390 A CN201310601390 A CN 201310601390A CN 103555042 A CN103555042 A CN 103555042A
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- exterior wall
- putty
- fly ash
- defoamer
- building exterior
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Abstract
The invention relates to a thermal insulating putty for the exterior wall of a building and a preparation method thereof. The preparation method of the thermal insulating putty comprises the steps of: stirring and mixing water, a dispersant, a wetting agent and one part of defoamer together, and then adding ceramic microbeads, mesoporous silica and far-infrared powder, dispersing evenly, and finally, adding fly ash floating beads, the left defoamer, hydroxymethyl cellulose and an elastic emulsion and stirring to obtain the putty. The formed putty is high in binding strength, good in waterproofness, obvious in flexible anti-cracking effect, convenient for construction, and the like, and also can be well matched with an exterior wall heat-insulation system; as a result, the service life of a decorative protective layer is prolonged and the thermal insulation effect is greatly improved.
Description
Technical field
The invention belongs to building material technical field, that relate generally to is a kind of preparation method of heat preservation putty of used for building exterior wall.
Technical background
At present; along with the raising of China's building energy conservation target (by energy-conservation 30% to so far 65%); make the exterior-wall heat insulation work of China be faced with new challenge; due to the External Thermal Insulation Technology for External development of China in recent years rapidly; also exposed the problem in some engineering application thereupon; particularly using in the heat insulating work of coating as finish coat, the quality problems such as usually there will be foaming, ftracture, come off, have had a strong impact on its ornamental and heat insulation system provide protection to building.Although cause the reason of coating cracking a lot, from engineering, the easiest unheeded putty sole mass and with heat insulation system matching problem, be the one of the main reasons that causes external wall outer insulation application failure.
Summary of the invention
The object of the present invention is to provide a kind of not easy to foaming, building exterior wall heat preserving putty of ftractureing, coming off.
The present invention is in mass ratio under each component: elastic emulsion 10～20%; Water 30～50%; Dispersion agent 0.5～1%; Wetting agent 0.5～1%; Defoamer 0.5～1%; Fly ash float 15～25%; Far-infrared powder 2～6%; Mesoporous silicon oxide 3～7%; Ceramic fine bead 15～20%; Walocel MT 20.000PV 1～1.5%.
The present invention selects elastic emulsion to give the performances such as the rebound resilience of coating excellence, snappiness, cementability, water-repellancy, weathering resistance, resistance to dirt retention and UV resistant; The advantages such as a kind of inorganic functional material of selecting out in the flyash that fly ash float Shi Cong coal-fired plant discharges, has density low, and quality is light, and water-intake rate is lower, and thermal conductivity is less, and fire-protection rating is high, does not burn, and flame retardant properties is good.During for heat preservation putty, the insulation heat-insulating property of heat preservation putty is good, and fire-protection rating is high, and workability can be good, constructability, long service life, energy-conserving and environment-protective.The spherical granules that ceramic fine bead is comprised of silicon-dioxide and aluminium sesquioxide, can improve the mobility of slurry, and have fire-retardant, nontoxic, corrosion-resistant, chemical stability is good, with auxiliary agent no-float, thereby compare the few cost that makes product of required coated resin with other fillers, decline; Utilize mesoporous silicon oxide to there is higher porosity and very low volume density, the effectively solid conduction of trap heat and gaseous conductance, so its thermal conductivity is less.Putty not only high, the water-tolerant of cohesive strength, flexible break resistant effect obviously, easy construction etc., and can well want to mate with exterior wall heat-preserving system, extended the life-span of decoration protective layer, also greatly increased heat insulation effect.
The thermal conductivity of this putty is 0.048～0.078 W/ (mK), dry density≤280kg/m
3, fire resistance reaches A2 level.
In addition, elastic emulsion of the present invention is that solid content is 51%, and minimum film-forming temperature is the benzene emulsion of 0～10 ℃.Benzene emulsion is because give intensity and the mechanical stability that emulsion is higher adding of styrene monomer; the heat preservation putty that the benzene emulsion of usining is prepared as film forming matter; there is excellent unit elongation and outstanding weathering resistance; can effectively cover body of wall hair line, body of wall is played to good beautifying and provide protection.Benzene emulsion be take water as solvent, nontoxic, does not fire not quick-friedly, is environmentally friendly machine.
Described 40～60 object fly ash float main chemical compositions are the oxide compound of silicon, aluminium, and wherein silicon-dioxide accounts for 50～65% of fly ash float total mass, and aluminium sesquioxide accounts for 25～35% of fly ash float total mass.The thin hollow of its wall, is partial vacuum in cavity, contains micro-gas (N
2, CO
2deng), heat portion's conduction is within it very slow.As the functional filler of heat preservation putty, there is the advantages such as density is low, quality light, water-intake rate is lower, thermal conductivity is less, fire-protection rating is high, do not burn, flame retardant properties is good.
The fineness of described far-infrared powder is 800 orders.Adopt radiant ratio that the far-infrared powder of this fineness can improve putty to 90% left and right.
Described mesoporous silicon oxide is that porosity is 48～52% ordered mesoporous silica dioxide.There is the silicon-dioxide of nanoporous owing to thering is very high porosity and very low volume density, the effectively solid conduction of trap heat and gaseous conductance, so its thermal conductivity is less, has good function of heat insulation.
Described dispersion agent is polycarboxylate sodium's copolymer dispersant.This dispersion agent foaminess is low, can improve the mobility of slurry, has the excellent properties of stable slurry viscosity.
Described wetting agent is alkylphenol polyoxyethylene ether wetting agent.Wetting agent not only can improve surface tension and the perviousness of slurry, can soak better ground, thereby improves the sticking power of coating, but also have the powders such as the color stuffing of assistance, disperses to wait effect in slurry.
Described defoamer is silicone antifoam agent.The advantage such as silicone antifoam agent has that wide application, surface tension are little, Heat stability is good, chemical stability are good, physiology inertia, froth breaking power are strong.It can individual be sprawled rapidly and rapid osmotic at foam surface, and foam is broken rapidly, and can not cause defect after dry in filming.
Another object of the present invention is the preparation method who proposes above heat preservation putty.
After first water, dispersion agent, wetting agent and part defoamer being uniformly mixed, add again ceramic fine bead, mesoporous silicon oxide and far-infrared powder, even through high speed dispersion, under stirring at low speed condition, add again fly ash float and remaining defoamer, after being uniformly dispersed, add Walocel MT 20.000PV and elastic emulsion to stir.
Technique of the present invention is simple, reasonable, and handled easily is produced, and the product stability of formation is good, and minimum film-forming temperature is 0～10 ℃, is beneficial to various environmental applications.
Embodiment
One, several formulation Example of building exterior wall heat preserving putty of the present invention are as follows:
Embodiment 1:
Embodiment 2:
Embodiment 3:
Elastic emulsion in each example is that solid content is 51% above, and minimum film-forming temperature is the benzene emulsion of 0～10 ℃; 40～60 object fly ash float main chemical compositions are the oxide compound of silicon, aluminium, and wherein silicon-dioxide accounts for 50～65% of fly ash float total mass, and aluminium sesquioxide accounts for 25～35% of fly ash float total mass; The fineness of far-infrared powder is 800 orders; Mesoporous silicon oxide is that porosity is 48～52% ordered mesoporous silica dioxide; Dispersion agent is polycarboxylate sodium's copolymer dispersant; Wetting agent is alkylphenol polyoxyethylene ether wetting agent; Defoamer is silicone antifoam agent.
Two, preparation technology:
In stirring tank, first water, dispersion agent, wetting agent, part defoamer are uniformly mixed, after add ceramic fine bead, mesoporous silicon oxide and far-infrared powder high speed dispersion even, after reducing rotating speed, add fly ash float and remaining defoamer, after being uniformly dispersed, adding Walocel MT 20.000PV and elastic emulsion to be stirred to k value is 50000～150000 mPas, has completed the preparation of building exterior wall heat preserving putty.
Three, performance index of the present invention are as follows: according to (JG/T 157-2004 putty for exterior use) national standard, product performance are detected, result is as following table
The foregoing is only preferred embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within thinking of the present invention and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a building exterior wall heat preserving putty, is characterized in that in mass ratio under each component: elastic emulsion 10～20%; Water 30～50%; Dispersion agent 0.5～1%; Wetting agent 0.5～1%; Defoamer 0.5～1%; Fly ash float 15～25%; Far-infrared powder 2～6%; Mesoporous silicon oxide 3～7%; Ceramic fine bead 15～20%; Walocel MT 20.000PV 1～1.5%.
2. building exterior wall heat preserving putty according to claim 1, it is characterized in that described elastic emulsion is that solid content is 51%, and minimum film-forming temperature is the benzene emulsion of 0～10 ℃.
3. building exterior wall heat preserving putty according to claim 1, it is characterized in that described fly ash float particle diameter is 40～60 orders, main chemical compositions is the oxide compound of silicon, aluminium, wherein silicon-dioxide accounts for 50～65% of fly ash float total mass, and aluminium sesquioxide accounts for 25～35% of fly ash float total mass.
4. building exterior wall heat preserving putty according to claim 1, the fineness that it is characterized in that described far-infrared powder is 800 orders.
5. building exterior wall heat preserving putty according to claim 1, is characterized in that described mesoporous silicon oxide is that porosity is 48～52% ordered mesoporous silica dioxide.
6. water-based composite heat insulation coating according to claim 1, is characterized in that the copolymer dispersant that described dispersion agent is polycarboxylate sodium.
7. water-based composite heat insulation coating according to claim 1, is characterized in that described wetting agent is alkylphenol polyoxyethylene ether wetting agent.
8. water-based composite heat insulation coating according to claim 1, is characterized in that described defoamer is silicone antifoam agent.
9. the preparation method of building exterior wall heat preserving putty as claimed in claim 1, it is characterized in that: after first water, dispersion agent, wetting agent and part defoamer being uniformly mixed, add again ceramic fine bead, mesoporous silicon oxide and far-infrared powder, even through high speed dispersion, under stirring at low speed condition, add again fly ash float and remaining defoamer, after being uniformly dispersed, add Walocel MT 20.000PV and elastic emulsion to stir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601390.3A CN103555042A (en) | 2013-11-25 | 2013-11-25 | Thermal insulating putty for exterior wall of building and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601390.3A CN103555042A (en) | 2013-11-25 | 2013-11-25 | Thermal insulating putty for exterior wall of building and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103555042A true CN103555042A (en) | 2014-02-05 |
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| CN201310601390.3A Pending CN103555042A (en) | 2013-11-25 | 2013-11-25 | Thermal insulating putty for exterior wall of building and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295496A (en) * | 2015-11-27 | 2016-02-03 | 上海炫杰环保涂料有限公司 | Heat insulation putty and preparation method thereof |
| CN105544748A (en) * | 2015-12-25 | 2016-05-04 | 上海泛亚生命科技有限公司 | Novel thin-layer building-external-wall heat preservation system |
| CN105585886A (en) * | 2016-03-02 | 2016-05-18 | 李金平 | External wall insulation putty |
| CN107286722A (en) * | 2017-08-17 | 2017-10-24 | 含山县金石建筑材料有限公司 | A kind of water-fast crack resistence wall putty |
| CN107337954A (en) * | 2017-08-17 | 2017-11-10 | 含山县金石建筑材料有限公司 | A kind of insulation putty for architectural exterior wall for building |
| CN109294313A (en) * | 2018-12-04 | 2019-02-01 | 陈群 | A kind of high-quality bouncing putty used for building exterior wall and preparation method thereof |
| US10570308B2 (en) | 2016-07-08 | 2020-02-25 | Akzo Nobel Coatings International B.V. | Heat insulating coating composition, method for applying such coating composition and kit of parts comprising such coating composition |
| CN111534140A (en) * | 2020-05-27 | 2020-08-14 | 常州优纳新材料科技有限公司 | Preparation method of mesoporous material composite heat-insulating putty |
| US10927264B2 (en) * | 2015-11-13 | 2021-02-23 | Siegwerk Druckfarben Ag & Co. Kgaa | Primer composition |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10927264B2 (en) * | 2015-11-13 | 2021-02-23 | Siegwerk Druckfarben Ag & Co. Kgaa | Primer composition |
| CN105295496A (en) * | 2015-11-27 | 2016-02-03 | 上海炫杰环保涂料有限公司 | Heat insulation putty and preparation method thereof |
| CN105544748A (en) * | 2015-12-25 | 2016-05-04 | 上海泛亚生命科技有限公司 | Novel thin-layer building-external-wall heat preservation system |
| CN105585886A (en) * | 2016-03-02 | 2016-05-18 | 李金平 | External wall insulation putty |
| US10570308B2 (en) | 2016-07-08 | 2020-02-25 | Akzo Nobel Coatings International B.V. | Heat insulating coating composition, method for applying such coating composition and kit of parts comprising such coating composition |
| CN107286722A (en) * | 2017-08-17 | 2017-10-24 | 含山县金石建筑材料有限公司 | A kind of water-fast crack resistence wall putty |
| CN107337954A (en) * | 2017-08-17 | 2017-11-10 | 含山县金石建筑材料有限公司 | A kind of insulation putty for architectural exterior wall for building |
| CN107286722B (en) * | 2017-08-17 | 2018-10-19 | 刘鹏 | A kind of water-fast crack resistence wall putty |
| CN109294313A (en) * | 2018-12-04 | 2019-02-01 | 陈群 | A kind of high-quality bouncing putty used for building exterior wall and preparation method thereof |
| CN111534140A (en) * | 2020-05-27 | 2020-08-14 | 常州优纳新材料科技有限公司 | Preparation method of mesoporous material composite heat-insulating putty |
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Application publication date: 20140205 |