CN101665343B - Vitrified micro-bead heat preserving and insulating material and method of preparing same - Google Patents
Vitrified micro-bead heat preserving and insulating material and method of preparing same Download PDFInfo
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- CN101665343B CN101665343B CN2009101273471A CN200910127347A CN101665343B CN 101665343 B CN101665343 B CN 101665343B CN 2009101273471 A CN2009101273471 A CN 2009101273471A CN 200910127347 A CN200910127347 A CN 200910127347A CN 101665343 B CN101665343 B CN 101665343B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention relates to vitrified micro-bead heat preserving and insulating material, in particular to heat preserving and insulating material for the wall and the roof of a building and a method of preparing the same, belonging to the field of the building energy saving technology. The heat preserving and insulating material comprises dry vitrified micro-bead heat preserving and insulating power, flexible seepage-prevention and crack-resistance mortar and alkali-resisting glass-fiber mesh cloth or hot-dip galvanized electrically-welded mesh; the dry vitrified micro-bead heat preserving and insulating power comprises the following raw materials by weight portion: 38-50 portions of special cement, 2-5 portions of pulverized coal ash, 8-10 portions of master batch and 35-55 portions of vitrified micro-beads; the flexible seepage-prevention and crack-resistance mortar comprises the following raw materials by weight portion: 28-40 portions of common silica cement, 3-6 portions of pulverized coal ash, 7-10 portions of polymer and 45-60 portions of quartz sand. The invention provides the new energy-saving and consumption-reducing environmental-friendly building material which has low thermal conductivity, good heat preserving and insulating effect, high strength, seepage prevention effect, crack resistance, fire resistance and stable performance, is convenient to use and easy to popularize and can be widely used for preserving and insulating the heat of the wall and the roof of the civil and industrial building.
Description
Affiliated technical field
The present invention relates to a kind of energy-saving building technology, heat preserving and insulating material that especially a kind of construction wall, roof are used and preparation method thereof.
Background technology
In recent years, international oil price rises suddenly and sharply, and coal, electric energy become well sold and in short supply resource, and energy-saving and cost-reducing is the important economic policy of China's Eleventh Five-Year Plan Economic development, and building trade is also strengthening energy-saving and cost-reducing dynamics.The energy consumption of buildings is embodied in the heat supply in winter of buildings, the energy that the summer air-conditioning refrigeration is required, thereby the heat insulating of construction wall is the energy-conservation important content of building trade.Existing thermal insulation technology is to use thermal insulation mortar to make plastering mortar on body of wall, this thermal insulation mortar is with the polyphenyl foam particle, normal expanded perlite is as the light thermal-insulation aggregate, mix in mortar, heat insulating layer as body of wall, its heat insulating effect is better, but because of the pearlstone water-absorbent big, easily efflorescence, volume receipts mistake rate is big in slip stirs, and easily causes the low and hollowing cracking of product later strength, heat-insulating property is reduced, simultaneously, granular polystyrene is an organic materials, and is inflammable, fire resistance is poor, and high temperature produces obnoxious flavour, not ageing-resistant, weathering resistance is low, defectives such as workability is poor, and bounce-back property is big in the construction.Vitrified micro-bead heat preserving and insulating material is the new creation of wall thermal insulating heat-insulating technique, and thermal conductivity is low, thermal and insulating performance good, intensity is high, have the particular performances advantage, obtains more widely-used in recent years.
But the domestic heat preserving and insulating material that the flexible mortar finish coat of vitrified micro bubbles heat preservation and insulation layer outer cover seepage control and crack resistance is not arranged as yet by retrieval.
Summary of the invention
At the weak point of above existence, the invention provides that a kind of thermal conductivity is low, thermal and insulating performance good, the seepage control and crack resistance performance is good, stability is strong, intensity is high, the novel heat insulation lagging material of fire prevention, environmental protection and preparation method thereof.
The technical scheme that the present invention solves its technical problem is: a kind of vitrified micro-bead heat preserving and insulating material and preparation method thereof comprises vitrified micro bubbles heat preservation and insulation dry powder, the flexible mortar of seepage control and crack resistance, alkali resistant glass fibre open weave cloth or three kinds of materials of pot galvanize electrowelding net and preparation method thereof; Described vitrified micro bubbles heat preservation and insulation dry powder comprises the raw material of following composition by weight: special cement 38-50%, flyash 2-5., masterbatch 8-10, glass bead 35-55, four components prepare burden in proportion to stir and form; The flexible mortar of described seepage control and crack resistance comprises the raw material of following composition by weight: ordinary portland cement 28-40, flyash 3-6, polymkeric substance 7-10, quartz sand 45-60, four components prepare burden in proportion to stir and form; Described masterbatch comprises the raw material of following composition by weight: redispersable latex powder 1-2, water-ground limestone 4-8, methyl cellulose ether 0.3-1.5, wood fibre 0.5-2.5; Can also add thixotroping lubricant 0.01-1.0, hydrophober 0.1-0.5, air entrapment agent 1-2; Described polymkeric substance comprises the raw material of following composition by weight: water-ground limestone 2-7, methyl cellulose ether 0.3-1.5, latex powder 1-3, starch ethers 0.01-1.0, polypropylene fibre 0.2-1.5, wood fibre 0.2-1.5, thixotroping lubricant 0.1-0.8, capillary crystalline waterproofing agent 1.5-2.5; Described alkali resistant glass fibre open weave cloth is to adopt the alkali resistant glass fibre braiding, and surface-coated is alkaline-resisting, the water-repellancy macromolecular material forms, and its specification, performance should satisfy following table and require:
Described its specification of pot galvanize electrowelding net, performance should satisfy following table and require:
| Steel wire diameter mm | Mesh size cm | Solder joint stretching resistance N | Galvanizing layer weight g/m 2 |
| 0.9 | 12.7×12.7 | ＞65 | ≥122 |
Described glass bead through the irregular hollow spheres body that high-temperature technology produces, particle diameter is 50-100 μ m, also is hollow beads, unit weight 80-100kg/m by silicate mineral
3, tap density 0.1～0.3g/cm
2, thermal conductivity 0.03～0.045; Described special cement is an aluminosulfate cement; Described flyash adopts II level flyash; Described water-ground limestone is 100 order lime carbonate; Described quartz sand is 100 order quartz sands; Described methyl cellulose ether can adopt the HPMC200000 methyl cellulose ether; Described wood fibre length is 5-8mm; Described starch ethers is preferably selected the 300-800mpa.s starch ethers for use; Described polypropylene fibre length 5-8mm.
The present invention compared with prior art has the following advantages:
1; the thermal insulation mortar that prior art is used is with granular polystyrene; normal expanded perlite is as the light thermal-insulation aggregate; mix the heat insulating layer of in mortar, making body of wall; its heat insulating effect is better; but because of the pearlstone water-absorbent big; easily efflorescence; volume receipts mistake rate is big in slip stirs; easily cause the product later strength low; hollowing and cracking; reduce heat-insulating property; and granular polystyrene is an organic materials; inflammable; fire line is poor; high temperature produces the obnoxious flavour contaminate environment; weathering resistance is poor; workability is poor; bounce-back property is big in the construction; the present invention uses the glass bead of making the insulation lagging material to be produced through high-temperature technology by silicate mineral; particle diameter is the irregular hollow spheres body of 50-100 μ m; overcome the flammable deadly defect of granular polystyrene; the intensity height; fire prevention; environmental protection; pollution-free, heat conduction system is lower, good effect of heat insulation.
2, the present invention is at the heat insulating laminar surface flexible mortar cover of trowelling seepage control and crack resistance again, prevent to ftracture and cause the erosion of moisture or rainwater, cause the increase of heat insulating transmissibility factor and reduce heat insulating effect, this mortar is to be out of shape with Flexible Control simultaneously, change the pressure conduction orientation, the control crack produces, and the anti-fissuring agent in the polymkeric substance is Gao Naila polypropylene fibre and wood fibre, in 1 square metre mortar, be distributed with the fiber that several hundred million even unordered shapes distribute, insert in the mortar just as several hundred million " little reinforcing bar ", the shop is pressed into alkali resistant glass fibre open weave cloth again in the seepage control and crack resistance mortar, has greatly improved cracking resistance, shock resistance, anti-seepage effect.
Description of drawings
Accompanying drawing is for using heat-preserving heat-insulating wall organigram of the present invention.
Among the figure 1. be basic unit's body of wall, 2. be, prime coat rough with scraping of doing of 1: 3 conventional cement mortar, 3. be the heat insulating layer done with the vitrified micro bubbles heat preservation and insulation slip, 4. be the alkali resistant glass fibre open weave cloth that is pressed into of shop or pot galvanize electrowelding net, 5. be with the finish coat of seepage control and crack resistance flexibility mortar work, 6. be finish coat (coating or ceramic tile).
The utility model is described in further detail to utilize drawings and Examples.
Embodiment
Heat preserving and insulating material of the present invention comprises vitrified micro bubbles heat preservation and insulation dry powder, alkali resistant glass fibre open weave cloth or pot galvanize electrowelding net, three kinds of materials of the flexible mortar of seepage control and crack resistance and preparation method thereof; concrete enforcement is used on basic unit's body of wall, the roof according to order; by vitrified micro bubbles heat preservation and insulation layer on the construction technology Mo Tu, shop be pressed into alkali resistant glass fibre open weave cloth or pot galvanize electrowelding net, Zai Mo Tu goes up the flexible mortar finish coat of seepage control and crack resistance, formation heat-preserving heat-insulating wall or roof.
Embodiment one
1, the preparation of vitrified micro bubbles heat preservation and insulation dry powder:
Vitrified micro bubbles heat preservation and insulation dry powder comprises the raw material of following composition by weight: special cement 39, flyash 2, masterbatch 9, glass bead 50, four components are prepared burden in proportion to stir and are formed; Wherein masterbatch comprises the raw material of following composition by weight: redispersable latex powder 1.6, water-ground limestone 4, methyl cellulose ether 0.45, wood fibre 1.25, hydrophober 0.2, air entrapment agent 1.5, thixotroping lubricant 0.3.
2, the preparation of the flexible mortar of seepage control and crack resistance:
The flexible mortar of seepage control and crack resistance comprises the raw material of following composition by weight: ordinary portland cement 39, flyash 4, polymkeric substance 8, quartz sand 49, four components are prepared burden in proportion to stir and are formed; Wherein polymkeric substance comprises the raw material of following composition by weight: water-ground limestone 2, methyl cellulose ether 0.8, latex powder 2.25, thixotroping lubricant 0.1, starch ethers 0.05, polypropylene fibre 0.22, wood fibre 0.6, capillary crystalline waterproofing agent 1.98.
3, the preparation of alkali resistant glass fibre open weave cloth or pot galvanize electrowelding net:
Alkali resistant glass fibre open weave cloth is formed by the alkali resistant glass fibre braiding, and surface-coated is alkaline-resisting, the water-repellancy macromolecular material, and its specification, performance should satisfy following table and require:
Its specification of pot galvanize electrowelding net, performance should satisfy following table and require:
| Steel wire diameter mm | Mesh size cm | Solder joint stretching resistance N | Galvanizing layer weight g/m 2 |
| 0.9 | 12.7×12.7 | ＞65 | ≥122 |
Use the method for heat preserving and insulating material of the present invention:
1, prepares before the construction: remove the floating ash of metope, greasy dirt, spacer and corner foreign material before the construction, guarantee that the construction operation face is clean, if any different separants, then need do suitable interface processing on the concrete wall surface.
2, vitrified micro bubbles heat preservation and insulation slip preparation:
1. clear water that earlier will about 30-32.5kg adds in the stirred vessel, starts stirrer, one bag of 25kg vitrified micro bubbles heat preservation and insulation dry powder is slowly put into the stirred vessel that adds behind the water again.
2. stir 3-5min, make slurry become even paste body shape, can use.
3. mortar must promptly be joined i.e. usefulness, uses up in the 2h.
3,, Mo Tu vitrified micro bubbles heat preservation and insulation layer:
1. on the metope of cleaning out; after need scraping rough, levelling, press with the vitrified micro bubbles heat preservation and insulation slip for preparing and to smear a layer thickness and be not less than 1cm, make evenly covering wall densely of slip; smear to specific thickness by design requirements then, receive flat again on the surface with guiding ruler.
2. during greater than 3cm, can divide the secondary trowelling Dang Mo Tu thickness, after treating to smear starchization for the first time, carry out smearing slurry the second time again, it is identical with ordinary mortar to smear paste-making method.
4, when wall facing is coating; vitrified micro bubbles heat preservation and insulation slip surface layer planted agent shop is pressed into alkali resistant glass fibre open weave cloth; when facing is furring brick; in the vitrified micro bubbles heat preservation and insulation slip; should lay the pot galvanize electrowelding net; the pot galvanize electrowelding net is fixed on basic unit's body of wall with the plastics crab-bolt, wipes one's face with 4-5mm vitrified micro bubbles heat preservation and insulation slip again.
5, the flexible mortar slip preparation of seepage control and crack resistance: flexible mortar 25kg adds clear water 9kg with seepage control and crack resistance, stirs into mortar.
6,, the flexible mortar finish coat of Mo Tu seepage control and crack resistance:
After the slip sclerosis of vitrified micro bubbles heat preservation and insulation layer, with the flexible mortar of the seepage control and crack resistance that the stirs flexible mortar cover of trowelling seepage control and crack resistance 1-2mm on the insulation layer surface after the sclerosis, make it have good seepage control and crack resistance performance again.
7, after the acceptance(check) of the flexible mortar finish coat of seepage control and crack resistance, carry out the facing construction again, coating or furring brick.
Embodiment two
1, vitrified micro bubbles heat preservation and insulation dry powder comprises the raw material of following composition by weight: special cement 48, flyash 5, masterbatch 7, glass bead 40; four components are prepared burden in proportion to stir and are formed, and wherein masterbatch comprises the raw material of following composition by weight: redispersable latex powder 1.0, water-ground limestone 5, methyl cellulose ether 0.2, wood fibre 0.3, thixotroping lubricant 0.5.
2, the flexible mortar of seepage control and crack resistance comprises the raw material of following composition by weight; Ordinary portland cement 32, flyash 6, polymkeric substance 10, quartz sand 52, four components are prepared burden in proportion to stir and are formed, and wherein polymkeric substance comprises the raw material of following composition by weight: water-ground limestone 5, methyl cellulose ether 0.5, latex powder 2, starch ethers 0.10, polypropylene fibre 0.1, wood fibre 0.3, capillary crystalline waterproofing agent 2.
The slip compound method of embodiment two, that Mo Tu vitrified micro bubbles heat preservation and insulation layer, shop are pressed into method and the embodiment one of the flexible mortar finish coat of alkali resistant glass fibre open weave cloth or pot galvanize electrowelding net Zai Mo Tu seepage control and crack resistance Shang basic unit's body of wall, roof is identical, formation integral heat insulation heat insulation wall, roof.
Claims (7)
1. vitrified micro-bead heat preserving and insulating material, it is characterized in that: this heat preserving and insulating material comprises vitrified micro bubbles heat preservation and insulation dry powder, the flexible mortar of seepage control and crack resistance, three kinds of materials of alkali resistant glass fibre open weave cloth or pot galvanize electrowelding net, described vitrified micro bubbles heat preservation and insulation dry powder comprises the raw material of following composition by weight: special cement 38-50, flyash 2-5, masterbatch 8-10, glass bead 35-55, four components are prepared burden in proportion to stir and are formed, and wherein said masterbatch comprises the raw material of following composition by weight---redispersable latex powder 1-2, water-ground limestone 4-8, methyl cellulose ether 0.3-1.5, wood fibre 0.5-2.5, thixotroping lubricant 0.01-1.0, hydrophober 0.1-0.5, air entrapment agent 1-2; The flexible mortar of described seepage control and crack resistance comprises the raw material of following composition by weight: ordinary portland cement 28-40, flyash 3-6, polymkeric substance 7-10, quartz sand 45-60, four components are prepared burden in proportion to stir and are formed, and wherein said polymkeric substance is the raw material of following composition by weight---water-ground limestone 2-7, methyl cellulose ether 0.3-1.5, latex powder 1-3, starch ethers 0.01-1.0, polypropylene fibre 0.2-1.5, wood fibre 0.2-1.5, thixotroping lubricant 0.1-0.8, capillary crystalline waterproofing agent 1.5-2.5; Described alkali resistant glass fibre open weave cloth is to adopt the alkali resistant glass fibre braiding to form, and surface-coated is alkaline-resisting, the water-repellancy macromolecular material forms; Described pot galvanize electrowelding net is formed by the pot galvanize of steel wire electrowelding net.
2. a kind of vitrified micro-bead heat preserving and insulating material according to claim 1 is characterized in that: its specification of described alkali resistant glass fibre open weave cloth, performance should satisfy following table and require:
Described its specification of pot galvanize electrowelding net, performance should satisfy following table and require:
。
3. a kind of vitrified micro-bead heat preserving and insulating material according to claim 1 is characterized in that: described special cement is an aluminosulfate cement.
4. a kind of vitrified micro-bead heat preserving and insulating material according to claim 1 is characterized in that: described flyash is II level flyash.
5. a kind of vitrified micro-bead heat preserving and insulating material according to claim 1 is characterized in that: described quartz sand is 100 order quartz sands.
6. a kind of vitrified micro-bead heat preserving and insulating material according to claim 1 is characterized in that: described water-ground limestone is 100 order water-ground limestones; Described methyl cellulose ether adopts the HPMC200000 methyl cellulose ether; Described wood fibre length is 5-8mm.
7. a kind of vitrified micro-bead heat preserving and insulating material according to claim 1 is characterized in that: described starch ethers is selected the 300-800mPas starch ethers for use; Described polypropylene fibre length is 5-8mm.
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| CN2009101273471A CN101665343B (en) | 2008-03-14 | 2009-03-07 | Vitrified micro-bead heat preserving and insulating material and method of preparing same |
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| CN200820065968.2 | 2008-03-14 | ||
| CN2009101273471A CN101665343B (en) | 2008-03-14 | 2009-03-07 | Vitrified micro-bead heat preserving and insulating material and method of preparing same |
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| CN101665343B true CN101665343B (en) | 2011-12-07 |
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| CN114197773A (en) * | 2022-01-04 | 2022-03-18 | 浩伦建工有限公司 | Vitrified micro bubble heat preservation and insulation building wall and construction process |
| CN115259792A (en) * | 2022-07-29 | 2022-11-01 | 佛山市东鹏陶瓷发展有限公司 | Thermal insulation material with decorative performance and preparation method thereof |
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