CN102295437A - Wall insulating mortar, its preparation method and grade A wall insulating material prepared with it - Google Patents
Wall insulating mortar, its preparation method and grade A wall insulating material prepared with it Download PDFInfo
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Abstract
The invention relates to wall insulating mortar, its preparation method and a grade A wall insulating material. The main body of the mortar consists of: 45%-55% of flame retardant polystyrene particle; 15%-25% of light calcium powder; 15%-20% of ash-calcium-powder; 8%-12% of heavy calcium powder; 0.8%-1.2% of hexabromocyclododecane; 1.2%-1.5% of emulsion powder; 0.3%-0.5% of methylcellulose; 0.4%-0.6% of ethyl cellulose; 0.15%-0.25% of lignocellulose and 0.08%-0.12% of glass fiber by weight. The flame retardant polystyrene particles, which are of 3-5mm in size, are prepared by steam heating and foaming polystyrene particles containing 1.5wt%-2.5wt% of hexabromocyclododecane. In the invention, an insulating material with a combustion performance reaching the indexes of grade A noncombustible materials can be obtained. And the material provided in the invention is safety and fireproof, thus especially suitable to be used as external wall insulating materials.
Description
Technical field
The invention belongs to building material technical field, particularly a kind of wall thermal insulating slurry, its preparation method and do not fire wall heat insulation material.
Background technology
Wall heat insulation material is the novel wall material of development in recent years, can save materials for wall in a large number, improves wall insulation performance, economizes on resources, and reduces environmental pollution.In the enforcement period of the ninth five-year plan, the novel wall lagging material enters Rapid development stage, the current large-scale development that has been; Calendar year 2001, country has further strengthened the dynamics of superseded traditional material, popularization novel wall lagging material again, and promoted extension extends to small city, cities and towns, extends to the rural area, extends to Industrial buildings.The novel wall material of saying with regard to national policy, holllow building block, aerated-block, gypsum hollow block, aerating flyash brick, adobe brick, GRC wallboard, fortifying fibre cement plate, sandwich board, fly ash aerated wallboard and composite thermo-insulating wall board etc. are arranged, and these product performance are each has something to recommend him.The body of wall energy-saving and heat-insulating material comprises organic class (as polystyrene foam plate, hard foam polyurethane, polycarbonate and phenolic aldehyde etc.), mineral-type (as perlite and cement plate, foamed cement plate, composition silicate etc.) and matrix material class (is polyphenyl etc. as metal clip central layer, core) at present.In these materials, the material that is used for insulating layer of external wall is mainly styrofoam, compact substance styrofoam and thermal insulation mortar (cement mixing granular polystyrene), all there is easy deformation, inflammable in they, and the problem of burning back release obnoxious flavour, use the building of these materials in a single day to blaze up, burning is diffusion rapidly, and the obnoxious flavour that burning discharges such as benzene and carbon monoxide etc. can cause personnel to lose self-saving ability after being sucked by the people, cause large-area loss of life and personal injury.In addition, also there is deficiency separately in this lagging material of three types, and for example the styrofoam thermal conductivity is higher, and heat insulation effect is poor, and aging time is short, and general 10-20 just begins degraded; The thermal conductivity of compact substance plate is lower, but use its Wind-Pressure Resistance value on Highrise buildings just can not be born.The thermal conductivity of cement and polystyrene mortar will reach 65% heat preservation energy-saving index at 0.095-0.098, and thickness is incited somebody to action the back to 10 or 15 centimetres.This kind thickness will increase the weight of the bearing capacity of body of wall greatly, make in the load of buildings to strengthen.On the other hand, also occurred some in the market and had the building products of flame retardant resistance, as polystyrene foam and other material such as timber, metal, combinations such as mineral wool are in these are used, polystyrene foam can be undressed, or prepare with so-called flame-retardant additive.The modal example of polystyrene foam flame-retardant additive is organohalogen compound such as hexabromocyclododecane.What the common ground that these examples have was a product with the reaction control of the fs of fire is very good, yet under the comparatively high temps in continuing case of fire, the polystyrene of product inside will melt, and causes foamy structure and caving in of whole prod structure possibly.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of wall thermal insulating slurry is provided, and by its wall heat insulation material that forms, combustionproperty reaches the standard of A level non-fire material, fire safety, excellent combination property.
The present invention also will provide a kind of preparation method of above-mentioned wall thermal insulating slurry simultaneously.
The present invention also provides a kind of fire safety, the A level wall heat insulation material of excellent combination property.
For solving above technical problem, a kind of technical scheme that the present invention adopts is: a kind of wall thermal insulating slurry, and it is mixed by slurry main body and water, and described slurry main body is made up of the component of following weight part: flame-retardant polystyrene particle 45%～55%; Light calcium carbonate powder 15%～25%; Ash calcium powder 15%～20%; Dicalcium powder 8%～12%; Hexabromocyclododecane 0.8%～1.2%; Latex powder 1.2%～1.5%; Methylcellulose gum 0.3%～0.5%; Ethyl cellulose 0.4%～0.6%; Wood fibre 0.15%～0.25%; Glass fibre 0.08%～0.12%, wherein: described flame-retardant polystyrene particle be contain 1.5wt%～2.5wt% hexabromocyclododecane granules of polystyrene through steam heat the foaming formed 3～5mm size particle.
The further preferred version of slurry according to the present invention: described slurry main body is made up of the component of following weight part: flame-retardant polystyrene particle 48%～52%; Light calcium carbonate powder 18%～22%; Ash calcium powder 15%～18%; Dicalcium powder 8%～12%; Hexabromocyclododecane 0.9%～1.1%; Latex powder 1.2%～1.4%; Methylcellulose gum 0.3%～0.5%; Ethyl cellulose 0.4%～0.6%; Wood fibre 0.18%～0.22%; Glass fibre 0.08%～0.12%.Wherein, a typical slurry main body is made up of the component of following weight part: flame-retardant polystyrene particle 50%; Light calcium carbonate powder 20%; Ash calcium powder 16.5%; Dicalcium powder 10%; Hexabromocyclododecane 1%; Latex powder 1.3%; Methylcellulose gum 0.4%; Ethyl cellulose 0.5%; Wood fibre 0.2%; Glass fibre 0.1%.
The weight ratio of slurry main body and water can be determined according to practical situation, yet in the present invention, the weight ratio of preferred slurry main body and water is 1:1.05～1.15.
The another technical scheme that the present invention takes is: a kind of preparation method of above-mentioned wall thermal insulating slurry, it comprises the steps:
(1), preparation flame-retardant polystyrene particle: the granules of polystyrene of the hexabromocyclododecane that contains 1.5wt%～2.5wt% is carried out the steam foaming of heating, the particle of formation 3～5mm size;
(2), the flame-retardant polystyrene particle added water stir, add other component again and stir, make described wall thermal insulating slurry.
As mentioned above, 1.05～1.15 times of the preferred slurry main body of the amount of the water that is added gross weight.
The invention still further relates to a kind of wall heat insulation material that is formed by wall thermal insulating slurry of the present invention, the combustionproperty of this described wall heat insulation material reaches the requirement of the A level non-fire material of GB8624-1997 standard code.
Preferably, wall heat insulation material of the present invention has following characteristic: described wall heat insulation material is tested by the GB/T5454 standard, and average the intensification is no more than 20 ℃ in its stove, and the average quality rate of loss is no more than 20%, and the average sustained combustion time is no more than 10S; Thermal conductivity is smaller or equal to 0.06 W/ (m.K), heat storage coefficient 〉=0.95 W/ (m
2
.K).More preferably, described wall heat insulation material is tested by the GB/T5454 standard, and average the intensification is no more than 10 ℃ in its stove, and the average quality rate of loss is no more than 10%, and the average sustained combustion time is no more than 2S; Thermal conductivity is smaller or equal to 0.06 W/ (m.K), heat storage coefficient 〉=0.95 W/ (m
2
.K).
According to the present invention, above-mentioned granules of polystyrene, light calcium carbonate powder, grey calcium powder, dicalcium powder, grey calcium powder, latex powder, methylcellulose gum, ethyl cellulose, wood fibre and glass fibre are can directly buy the raw material that obtains from the market.
The construction process of wall thermal insulating slurry of the present invention is as follows: prepare the wall thermal insulating slurry according to the method described above, powder is coated on the metope.Can divide several during coating all over carrying out, until reaching desired thickness.
Owing to adopt above technical scheme, the present invention compared with prior art has following advantage: the present invention is by designing wall thermal insulating formula of size integral body, its flame retardant properties of formed lagging material reaches the index of the A level non-fire material of GB8624-1997 standard code, in addition, lagging material of the present invention reaches and is better than the specified requirement of concrete-based polyphenylene granule external insulating mortar in the DGJ32/J22-2006 standard; The Wind-Pressure Resistance value is greater than 4Kpa, and weathering resistance and tensile bond strength reach and be better than DGJ32/J 22-2006 and JGJ144-2004 requirement; Splitting resistance reaches and is better than the requirement of T type anticracking grout performance provision in the DGJ32/J 22-2006 standard.In addition, the present invention constructs simply.
Embodiment
The present invention will be further described in detail below in conjunction with specific embodiment, is not limited to following examples but do not invent.
Wall thermal insulating slurry according to present embodiment is made up of slurry main body and water, and wherein, the slurry main body is made up of the component of following weight part: flame-retardant polystyrene particle 500kg; Fine particle calcium carbonate 200kg; Ash calcium 165kg; Coarse whiting 100kg; Hexabromocyclododecane 10kg; Latex powder 13kg; Methylcellulose gum 4kg; Ethyl cellulose 5kg; Wood fibre 2kg; Glass fibre 1kg.
The preparation process of above-mentioned wall thermal insulating slurry is as follows:
(1), preparation flame-retardant polystyrene particle: the granules of polystyrene (commercially available acquisition) that 500kg is contained the 10kg hexabromocyclododecane carries out the steam foaming of heating, the particle of formation 3～5mm size;
(2), the flame-retardant polystyrene particle added water stir, the add-on of water is 1.05～1.15 times of slurry main body gross weight, adds other component of formula ratio again and stirs, and makes described wall thermal insulating slurry.
According to corresponding standard every performance of wall thermal insulating slurry with above-mentioned prescription is tested, the result is referring to table 1.
Table 1
As seen from Table 1, all reach and be better than the regulation of corresponding standard according to every performance of the lagging material of present embodiment, particularly, the combustionproperty of formed lagging material significantly is better than the desired ultimate value of A level non-fire material, thereby the fire safety performance is good especially.
The foregoing description only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this; can not limit protection scope of the present invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention
Claims (10)
1. wall thermal insulating slurry, it is mixed by slurry main body and water, it is characterized in that: described slurry main body is made up of the component of following weight part: flame-retardant polystyrene particle 45%～55%; Light calcium carbonate powder 15%～25%; Ash calcium powder 15%～20%; Dicalcium powder 8%～12%; Hexabromocyclododecane 0.8%～1.2%; Latex powder 1.2%～1.5%; Methylcellulose gum 0.3%～0.5%; Ethyl cellulose 0.4%～0.6%; Wood fibre 0.15%～0.25%; Glass fibre 0.08%～0.12%, wherein: described flame-retardant polystyrene particle be contain 1.5wt%～2.5wt% hexabromocyclododecane granules of polystyrene through steam heat the foaming formed 3～5mm size particle.
2. wall thermal insulating slurry according to claim 1 is characterized in that: described slurry main body is made up of the component of following weight part: flame-retardant polystyrene particle 48%～52%; Light calcium carbonate powder 18%～22%; Ash calcium powder 15%～18%; Dicalcium powder 8%～12%; Hexabromocyclododecane 0.9%～1.1%; Latex powder 1.2%～1.4%; Methylcellulose gum 0.3%～0.5%; Ethyl cellulose 0.4%～0.6%; Wood fibre 0.18%～0.22%; Glass fibre 0.08%～0.12%.
3. wall thermal insulating slurry according to claim 2 is characterized in that: described slurry main body is made up of the component of following weight part: flame-retardant polystyrene particle 50%; Light calcium carbonate powder 20%; Ash calcium powder 16.5%; Dicalcium powder 10%; Hexabromocyclododecane 1%; Latex powder 1.3%; Methylcellulose gum 0.4%; Ethyl cellulose 0.5%; Wood fibre 0.2%; Glass fibre 0.1%.
4. according to claim 1 or 2 or 3 described wall thermal insulating slurries, it is characterized in that: the weight ratio of slurry main body and water is 1:1.05～1.15.
5. the preparation method of a wall thermal insulating slurry as claimed in claim 1 is characterized in that: comprise the steps:
(1), preparation flame-retardant polystyrene particle: the granules of polystyrene of the hexabromocyclododecane that contains 1.5wt%～2.5wt% is carried out the steam foaming of heating, the particle of formation 3～5mm size;
(2), the flame-retardant polystyrene particle added water stir, add other component again and stir, make described wall thermal insulating slurry.
6. the preparation method of wall thermal insulating slurry according to claim 5 is characterized in that: described slurry main body is made up of the component of following weight part: flame-retardant polystyrene particle 48%～52%; Light calcium carbonate powder 18%～22%; Ash calcium powder 15%～18%; Dicalcium powder 8%～12%; Hexabromocyclododecane 0.9%～1.1%; Latex powder 1.2%～1.4%; Methylcellulose gum 0.3%～0.5%; Ethyl cellulose 0.4%～0.6%; Wood fibre 0.18%～0.22%; Glass fibre 0.08%～0.12%.
7. according to the preparation method of claim 5 or 6 described wall thermal insulating slurries, it is characterized in that: the water that is added is 1.05～1.15 times of slurry main body gross weight.
8. wall heat insulation material that is formed by the described wall thermal insulating slurry of claim 1, it is characterized in that: the combustionproperty of described wall heat insulation material reaches the requirement of the A level non-fire material of GB8624-1997 standard code.
9. wall heat insulation material according to claim 8, it is characterized in that: described wall heat insulation material is tested by the GB/T5454 standard, the average intensification is no more than 20 ℃ in its stove, and the average quality rate of loss is no more than 20%, and the average sustained combustion time is no more than 10S; Thermal conductivity is smaller or equal to 0.06 W/ (m.K), heat storage coefficient 〉=0.95 W/ (m
2.K).
10. wall heat insulation material according to claim 9, it is characterized in that: described wall heat insulation material is tested by the GB/T5454 standard, the average intensification is no more than 10 ℃ in its stove, and the average quality rate of loss is no more than 10%, and the average sustained combustion time is no more than 2S; Thermal conductivity is smaller or equal to 0.06 W/ (m.K), heat storage coefficient 〉=0.95 W/ (m
2.K).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101584482A CN102295437B (en) | 2011-05-23 | 2011-06-14 | Wall insulating mortar, its preparation method and grade A wall insulating material prepared with it |
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|---|---|---|---|
| CN201110132982.6 | 2011-05-23 | ||
| CN201110132982 | 2011-05-23 | ||
| CN2011101584482A CN102295437B (en) | 2011-05-23 | 2011-06-14 | Wall insulating mortar, its preparation method and grade A wall insulating material prepared with it |
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| CN102295437A true CN102295437A (en) | 2011-12-28 |
| CN102295437B CN102295437B (en) | 2012-09-19 |
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Cited By (2)
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| CN103420636A (en) * | 2012-05-14 | 2013-12-04 | 济宁汇星保温材料加工有限公司 | Modified expanded-polystyrene granule thermal insulation material and production technology thereof |
| CN107253835A (en) * | 2017-07-27 | 2017-10-17 | 苏州市金明塑料有限公司 | A kind of building floor heat insulating and sound insulating slurry, its preparation method and building floor thermal insulation sound baffle and building floor heat insulating and sound insulating system |
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| WO2004083146A2 (en) * | 2003-03-19 | 2004-09-30 | United States Gypsum Company | Acoustical panel comprising interlocking matrix of set gypsum and method for making same |
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| CN101265375A (en) * | 2007-03-13 | 2008-09-17 | 何林道 | Multifunctional environmental protection putty |
| CN101402516A (en) * | 2008-10-23 | 2009-04-08 | 马鞍山市天锦云漆业有限公司 | Single-component polyphenyl particle heat-insulating mortar |
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| WO2004083146A2 (en) * | 2003-03-19 | 2004-09-30 | United States Gypsum Company | Acoustical panel comprising interlocking matrix of set gypsum and method for making same |
| CN1458112A (en) * | 2003-06-04 | 2003-11-26 | 王胜怀 | High strength energy saving heat insulation material for use outside external wall |
| CN101088954A (en) * | 2006-06-13 | 2007-12-19 | 瞿爱花 | Prepn process of hydrophobic fireproof heat-insulating material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103420636A (en) * | 2012-05-14 | 2013-12-04 | 济宁汇星保温材料加工有限公司 | Modified expanded-polystyrene granule thermal insulation material and production technology thereof |
| CN103420636B (en) * | 2012-05-14 | 2015-10-21 | 济宁市绿材节能科技开发有限公司 | A kind of sex change heat insulating granular polystyrene material and production technique thereof |
| CN107253835A (en) * | 2017-07-27 | 2017-10-17 | 苏州市金明塑料有限公司 | A kind of building floor heat insulating and sound insulating slurry, its preparation method and building floor thermal insulation sound baffle and building floor heat insulating and sound insulating system |
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| CN102295437B (en) | 2012-09-19 |
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