CN102557542A - Inorganic fiber reinforced cement heat preservation product - Google Patents
Inorganic fiber reinforced cement heat preservation product Download PDFInfo
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- CN102557542A CN102557542A CN201110454749XA CN201110454749A CN102557542A CN 102557542 A CN102557542 A CN 102557542A CN 201110454749X A CN201110454749X A CN 201110454749XA CN 201110454749 A CN201110454749 A CN 201110454749A CN 102557542 A CN102557542 A CN 102557542A
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Abstract
The invention discloses an inorganic fiber reinforced cement heat preservation product. The heat preservation product comprises a liquid material and a powder material, and when the heat preservation product is used, the liquid material and the powder material are prepared into a finished product according to the weight ratio of 1: 1, wherein the powder material comprises the following raw materials in percentage by weight: 40%-68% of cement, 15%-25% of filler, 15%-25% of light aggregate and 0.5%-2% of an early strength agent; and the powder material comprises the following raw materials in percentage by weight: 1%-1.5% of foaming agent, 0.5%-1% of foam stabilizing agent, 0.5%-1.5% of toughener, 0.5%-2.5% of hydrophobic agent and the balance water. Experiments prove that, the addition of inorganic fiber can effectively improve the creasing resistance of the product and increase the toughness and the dimension stability of the product, and various indexes can meet the existing related national standards.
Description
Technical field
The invention belongs to new building insulation material and resources circulation and utilize the field again, be specifically related to a kind of inorganic fibre enhanced cement heat insulating products.
Background technology
21st century, save energy has become the third-largest fundamental state policy of China after birth control, protection environment, is one of building conservation type society fundamental requirement.At present, the building energy consumption of China rises and accounts for 27.8% of total energy consumption, and along with the fast development of national economy level, the trend that China's building energy consumption rises is being accelerated year by year.Therefore, actual building energy conservation is significant and potentiality to China's energy strategy.
Energy saving building is reducing building energy consumption; Reduce outdoor noise to indoor invasion; Improving aspects such as room comfort inside, be far superior to traditional architecture, is Building technology progressive milestone and the crucial behave of implementing Sustainable development; Be China another new lover after greening, water scenery of building circle, become the major criterion of check building quality.And all kinds of building energy-saving designs, must be according to the particular case of locality, the difference of enclosed structure and device systems takes into full account local weather condition, and the people's the life style and the safety and reliability of use adopt different energy-saving systems.
At present, China be used for organic type of lagging material of construction wall (as: styrofoam, polyphenylene granule heat-insulating mortar, Paper-faced gyp styrofoam, GRC sandwich panel etc.) exist in practice constructional difficulties, cost high, do not meet shortcoming such as regulations for fire fighting.Particularly use maximum stickup polyphenyl board exterior wall outer thermal insulation technology, working procedure is very complicated, pastes to be difficult for firmly, and styrofoam is not only inflammable, and can produce a large amount of toxic substance vinylbenzene during thermolysis.Because do not have the alternative polyphenyl External Thermal Insulation Technology for External of material well, selecting styrofoam for use is the thing of having no way out as exterior-wall heat insulation.
Organic insulation material has following fatal shortcoming: inflammable.EPS and XPS still are prone to catch fire be prone to drip and dissolve.The PU material can put out certainly, but temperature just is difficult to extinguish after acquiring a certain degree.What more kill is, the PU foam materials catches fire, and also has the drawback that smog is big, toxicity is big, and the people sucks several mouthfuls will be dead.Even if added fire retardant, when running into the big fire pyritous, fire retardant oneself also can be burnt, and urethane (PU) toxicity also just has been released.According to people involved in fire disasters person's injures and deaths are analyzed, 90% the above persons' injures and deaths discharge in combustion processes mainly due to the PU material that a large amount of cigarette poison gases cause.And most the dead of current Shanghai big fire are because suck the prussic acid gas that a large amount of polyurethane foam heat insulation material burnings are produced on the facade outside the building.In fact, many domestic building fire since " building energy conservation engineering construction quality acceptance specification " promulgation all have some relations with organic insulation material.
See that from material insulating product is if not inorganic materials, its fire resistance just can not got well.So the building contractor faces awkward predicament when selecting lagging material: the thing that fire resistance is good, heat-insulating property is just bad; Good heat insulating, very soft, very loose thing, flame retardant resistance is just bad.Therefore, a kind of heat insulating material of taking into account heat-insulating property and fire resistance of exploitation has been the challenge of pendulum in face of each researcher.
Existing hard porous inorganic heat preservation sound-proof material, like calcium silicate board with microporous, hard silicate board, magnesite cystose, because the limitation on its prescription and the technical matters, most of material product structures are single, unstable; Pore-forming is inhomogeneous, and porosity is low, exists the thermal conductivity height; Intensity is low, and snappiness is poor, and is poor at a distance from sound absorbing capabilities; Problems such as frangible rapid wear directly have influence on the popularization and the use of material, and its practical application effect is undesirable.Other inorganic heat insulation materials of new existing nearly one or two years exist all that technology is immature, actual detected does not pass a test etc. on the market, and over-all properties is on the low side.
The outer heat preservation technology of external wall is as the dominant direction of Energy Saving Technique for Buildings in Our Country, and the external wall heat insulating material for external system that exploitation is fit to China's actual conditions is the national affairs that are imminent.
Summary of the invention
Various defectives to the especially hard porous inorganic heat insulation material of existing building lagging material; The objective of the invention is to; A kind of inorganic fibre enhanced cement heat insulating products is provided; Its structure is new, over-all properties (unit weight, thermal conductivity, intensity, etc.) is good, can be applicable to the use of construction wall insulation and traffic noise reduction, and current China building energy conservation pressing for new building insulation material satisfied in real having accomplished.
In order to realize above-mentioned task, the present invention adopts following technical solution:
A kind of inorganic fibre enhanced cement heat insulating products is characterized in that this heat insulating products is made up of liquid material and powder, and during use, by the liquid material: the mass ratio of powder=1: 1 is processed finished product; Wherein:
Powder is made up of the starting material of following mass percent: cement: 40%～68%, and filler: 15%～25%, light-weight aggregate: 15%～25%, hardening accelerator: 0.5%～2%, the per-cent sum of raw material is 100%;
Powder is made up of the starting material of following mass percent: whipping agent: 1%～1.5%, and suds-stabilizing agent: 0.5%～1%, toughner: 0.5%～1.5%, hydrophober: 0.5%～2.5%, the surplus water is supplied, and the per-cent sum of raw material is 100%.
The method of manufacture of this heat insulating products is; Prepare liquid material and powder respectively; During use by the liquid material: the mass ratio of powder=1: 1 carries out being transported in the mould after pre-frothing is stirred, and carries out 85 ℃ of oven dry demouldings after 2 hours of high temperature again, changes warehouse natural curing over to and gets final product in 3 days.
Through the experiment proof; This inorganic fibre enhanced cement heat insulating products; Through the experiment proof; This material has increased the toughness and the dimensional stability of product because the adding of inorganic fibre can effectively improve the fracture resistance of product, and unique formulating of recipe makes each item index of this product all can satisfy existing relevant national standard.Possess following characteristics:
1, inorganic fibre enhanced cement heat insulating products of the present invention; External thermal insulation system as the insulation thermal insulation layer has excellent workability; Each interlayer of system has good consistency; The inorganic fibre enhanced cement goods of using as wall heat insulation material and the cohesive force of body of wall reach 0.4Mpa, be the organic heat-insulating plate 2-2.5 doubly.The pore size of these goods is through the control of strictness, and through special processing, it is better to compare common inorganic hard lagging material and its bond effect of organic heat-insulating plate, no hollowing cracking phenomena, and system's wind suction prevention (suction) ability is stronger.
2, inorganic fibre enhanced cement heat insulating products construction of exterior wall external heat-preservation system is simple, and operation is few, and short construction period belongs to similar material with substrate, and goods directly get final product with the sticking card of bonding rubber cement on the wall.
3, security: the goods in the system are nontoxic product, high temperature resistant, anti-soda acid, under high temperature or fire condition, can not produce any toxic gas.
4, the adding of inorganic fibre makes that these goods have better, more stable physical and chemical performance, and is lower than common inorganic hard lagging material thermal conductivity, heat storage coefficient is higher, better toughness etc.Be applied in the exterior-wall heat insulation engineering, the over-all properties of system significantly improves.
5. the breakthrough of goods on prescription and production technique makes that the strength of materials is higher, the later stage is stable better.
6, these goods hydration reaction is complete, and sclerosis is fast, and production efficiency can be provided significantly.
Embodiment
It below is the specific embodiment of the inorganic fibre enhanced cement heat insulating products that provides of contriver.
1, product material preparation: this inorganic fibre enhanced cement heat insulating products is made up of the starting material of following mass percent: this heat insulating products is made up of liquid material and powder, and during use, by the liquid material: the mass ratio of powder=1: 1 is processed finished product; Wherein:
Powder is made up of the starting material of following mass percent: cement: 40%～68%, and filler: 15%～25%, light-weight aggregate: 15%～25%, hardening accelerator: 0.5%～2%, the per-cent sum of raw material is 100%;
The liquid material is made up of the starting material of following mass percent: whipping agent: 1%～1.5%, and suds-stabilizing agent: 0.5%～1%, toughner: 0.5%～1.5%, hydrophober: 0.5%～2.5%, the surplus water is supplied, and the per-cent sum of raw material is 100%.
2, goods preparation: with the liquid material and the powder that prepare, during use by the liquid material: the mass ratio of powder=1: 1 carries out being transported in the mould after pre-frothing is stirred, and carries out high temperature again and dries the demouldings after 2 hours for 85 ℃, changes warehouse natural curing over to and gets final product in 3 days.
Embodiment 1:
1) powder preparation: get sulplo-aluminate class cement 480kg by mass ratio, flyash 250kg, pearlstone 250kg, vitriol 20kg mixes promptly getting the 1000kg powder.
2) liquid material preparation: get commercially available non-ionics 15kg as whipping agent by mass ratio, get Vltra tears 10kg, basalt fibre 10kg is as toughner, and methyl-silicone oil 20kg mixes, and water is supplied 1000kg, and packing promptly gets the liquid material.
During use with the liquid material and the powder that prepare, by the liquid material: the mass ratio of powder=1: 1 carries out being transported in the mould after pre-frothing is stirred, and carries out 85 ℃ of oven dry demouldings after 2 hours of high temperature again, changes warehouse natural curing over to and gets final product in 3 days.
Embodiment 2:
1) powder preparation: get aluminate class cement 680kg by mass ratio, water-ground limestone 50kg, light calcium carbonate 100kg, closed pore vermiculite 150kg, vitriol 20kg mixes promptly getting the 1000kg powder.
2) liquid material preparation: get rosined soap 10kg as whipping agent by mass ratio, get Natvosol 10kg, diabase fiber 10kg is as toughner, and organosilicon 20kg mixes, and water is supplied 1000kg and promptly got the liquid material.
During use with the liquid material and the powder that prepare, by the liquid material: the mass ratio of powder=1: 1 carries out being transported in the mould after pre-frothing is stirred, and carries out 85 ℃ of oven dry demouldings after 2 hours of high temperature again, changes warehouse natural curing over to and gets final product in 3 days.
Need to prove that above-mentioned cement is selected known sulplo-aluminate class cement for use, aluminate class cement is wherein a kind of and more than one combinations; Filler is flyash, water-ground limestone, light calcium carbonate, calcined kaolin, white titanium pigment, wollastonite powder, brucite powder, blast furnace ground slag powder, silicon ash, zeolite powder, wherein one or more combinations of colliery powder; Hardening accelerator is selected known chlorination system, vitriol system for use, organic system is wherein a kind of and more than one combinations; Light-weight aggregate is selected wherein a kind of and more than one combinations of known perforate vermiculite, closed pore vermiculite, pearlstone for use; Whipping agent is selected wherein one or more combinations of known rosined soap and rosin hot polymerization class, benzene sulfonamide acids, non-ionics, aliphatic alcohols, xylogen Phenylsulfonic acid class for use; Suds-stabilizing agent is selected wherein one or more combinations of known Vltra tears, Natvosol, hydroxypropylcellulose, methylcellulose gum, CMC 99.5 for use; Can be met existing relevant national standard is inorganic fibre enhanced cement heat insulating products.Here list no longer one by one.
Through test, the performance of the inorganic fibre enhanced cement heat insulating products that the foregoing description is processed reaches following index:
Claims (9)
1. an inorganic fibre enhanced cement heat insulating products is characterized in that this heat insulating products is made up of liquid material and powder, and during use, by the liquid material: the mass ratio of powder=1: 1 is processed finished product; Wherein:
Powder is made up of the starting material of following mass percent: cement: 40%～68%, and filler: 15%～25%, light-weight aggregate: 15%～25%, hardening accelerator: 0.5%～2%, the per-cent sum of raw material is 100%;
Powder is made up of the starting material of following mass percent: whipping agent: 1%～1.5%, and suds-stabilizing agent: 0.5%～1%, toughner: 0.5%～1.5%, hydrophober: 0.5%～2.5%, the surplus water is supplied, and the per-cent sum of raw material is 100%.
2. inorganic fibre enhanced cement heat insulating products as claimed in claim 1 is characterized in that, the cement in said is selected sulplo-aluminate class cement for use, aluminate class cement is wherein a kind of and more than one combinations.
3. inorganic fibre enhanced cement heat insulating products as claimed in claim 1; It is characterized in that the filler in said is flyash, water-ground limestone, light calcium carbonate, calcined kaolin, white titanium pigment, wollastonite powder, brucite powder, blast furnace ground slag powder, silicon ash, zeolite powder, wherein one or more combinations of colliery powder.
4. inorganic fibre enhanced cement heat insulating products as claimed in claim 1 is characterized in that, the hardening accelerator in said is selected chlorination system, vitriol system for use, organic system is wherein a kind of and more than one combinations.
5. inorganic fibre enhanced cement heat insulating products as claimed in claim 1 is characterized in that, wherein a kind of and more than one combinations that the light-weight aggregate in said is selected perforate vermiculite, closed pore vermiculite, pearlstone for use.
6. inorganic fibre enhanced cement heat insulating products as claimed in claim 1; It is characterized in that the whipping agent in said is selected wherein one or more combinations of rosined soap and rosin hot polymerization class, benzene sulfonamide acids, non-ionics, aliphatic alcohols, xylogen Phenylsulfonic acid class for use.
7. inorganic fibre enhanced cement heat insulating products as claimed in claim 1; It is characterized in that wherein one or more combinations that the suds-stabilizing agent in said is selected Vltra tears, Natvosol, hydroxypropylcellulose, methylcellulose gum, CMC 99.5 for use.
8. inorganic fibre enhanced cement heat insulating products as claimed in claim 1 is characterized in that, wherein one or both combinations that the toughner in said is selected basalt fibre, diabase fiber for use.
9. inorganic fibre enhanced cement heat insulating products as claimed in claim 1 and method of manufacture is characterized in that, the hydrophober in said is selected wherein one or both combinations silicone based, methyl-silicone oil for use.
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| CN201110454749XA CN102557542A (en) | 2011-12-22 | 2011-12-22 | Inorganic fiber reinforced cement heat preservation product |
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| CN103232259A (en) * | 2013-04-02 | 2013-08-07 | 陕西科技大学 | Preparation method for inorganic noninflammable lightweight foamed cement |
| CN103253913A (en) * | 2013-05-10 | 2013-08-21 | 山西大同大学 | Preparation method for basalt fibre-enhanced foam concrete heat-insulating composite material |
| CN104016624A (en) * | 2014-05-09 | 2014-09-03 | 太仓市金锚新材料科技有限公司 | Novel flame retardant inorganic wall insulating material with high strength and low density and preparation method thereof |
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Application publication date: 20120711 |