CN102173680A - Heat-insulating energy-saving flame-retardant material for external wall - Google Patents
Heat-insulating energy-saving flame-retardant material for external wall Download PDFInfo
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- CN102173680A CN102173680A CN2011100276836A CN201110027683A CN102173680A CN 102173680 A CN102173680 A CN 102173680A CN 2011100276836 A CN2011100276836 A CN 2011100276836A CN 201110027683 A CN201110027683 A CN 201110027683A CN 102173680 A CN102173680 A CN 102173680A
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- fire retardant
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention provides a heat-insulating energy-saving flame-retardant material for an external wall, relating to the technical field of construction materials and aiming to solve the technical problems that the conventional external wall insulating materials have poor fireproof flame-retardant performance, and release mass toxic smoke after burnt, and the like. The insulating energy-saving flame-retardant material consists of the following components in parts by weight: 700 to 800 parts of spherical closed-pore expanded perlite, 600 to 700 parts of conventional silicate cement, 200 to 300 parts of heavy calcium carbonate, 3 to 5 parts of flame retardant, 6 to 8 parts of water-retaining thickener, 5 to 7 parts of dispersible emulsion powder, and 1 to 3 parts of polypropylene monofilament fibers.
Description
Technical field
The present invention relates to building material technical field, particularly a kind of outer wall thermal insulation energy-conserving fire retardant material.
Background technology
According to statistics, the human raw material of substance more than 50% that obtains from nature is used for building all kinds of buildings, and these buildings have consumed the energy in the whole world about 50% again in construction and use.Behind the world oil crisis in 1973, many developed countries recognize the importance of building energy conservation, formulate in succession and have implemented energy-conservation special law, are devoted to research and carry out energy-saving building technology.Now, the building of these countries is when comfortableness improves constantly, and new building unit surface energy consumption has reduced to 1/3rd to 1/5th before more than 30 year.In addition, these developed countries have also launched large-scale reducing energy consumption to existing building, have therefore alleviated national energy demand, have avoided the impact once again of energy dilemma.
China's energy shortage particularly is in again at present and builds the prosperous phase, and the floor space that builds up every year is up to 1,600,000,000 to 2,000,000,000 m
2, and about be high energy consumption building more than 95%.At present, the ratio of building energy consumption account whole nation total energy consumption is about 30%.Energy shortage has become the weakness of China's Economic development.
The supply of the energy also can threaten nation's security with stable except directly affecting the living of the people and national product.Building energy conservation has become the great strategic issue of country.Encourage growth " energy and land saving type " dwelling house and public building are clearly proposed in the government work report in 2005.2005, GB 50189-2005 " public building energy-saving design standard " is formal to be implemented.This is the comprehensive national standard of first relevant public building energy-saving design of China's approval issue, and it is fully under way to indicate that China's building energy conservation is operated in the covil construction field.
Under construction, the thermal losses of peripheral structure is bigger, and body of wall has accounted for very large portion again in the peripheral structure.According to statistics, the body of wall thermal losses that is incubated processing accounts for 50%.Therefore, development outer wall heat insulating energy saving technology and material are the main implementations of building energy conservation.
External Walls Heating Insulation mainly is divided into the gentle external wall outer insulation two big classes of exterior wall insulating.Wherein, exterior wall internal insulation refers to add in the inside of external wall structure and does thermal insulation layer.It is longer that this technology is used the time, and inspecting standard is fairly perfect.There was the engineering more than 90% to use this technology approximately in the exterior-wall heat insulation construction to the calendar year 2001.But interior insulation meeting takies usable floor area more, and the heat bridge problem is difficult for solving, and causes cracking easily, also can influence speed of application, influences secondary decoration, and interior wall hangs and mounting article also destroys internal insulation structure easily.Irrationality on the interior heat preservation technology has determined it to be substituted by outer insulation.
Exterior-wall heat insulation is a kind of building thermal-insulation energy-saving technology of wideling popularize at present.Outer insulation is compared with interior insulation, and reasonable in technology has its obvious superiority, uses the lagging material of same specification, same size and performance, and outer insulation is better than interior heat preservation effect.Outer heat preservation technology is not only applicable to new building, is applicable to old building transforming yet, and the scope that is applicable to is wide; Outer insulation wraps in the outside of agent structure, can protect agent structure, prolongs the life-span of buildings; Effectively reduce the heat bridge of building structure, do not influenced original useful space of building; Eliminate condensation simultaneously, improved the comfort level of living.Using more External Walls Heating Insulation at present mainly contains: the outer insulation of external hanging type, styrofoam and body of wall one-time cast-forming, polystyrene granule insulating mortar exterior-wall heat insulation etc., all obtained effect preferably.
But, in these external wall energy-saving lagging materials, the use that has materials such as styrofoam, granular polystyrene, the use that has inappropriate organic adhesion agent.From the angle of fire-fighting, these materials all exist the huge fire hazard of potential, and reason is: 1. the fire retardant performance of these organic materialss own is poor, spread after the burning to be exceedingly fast, and are easy to cause the expansion of the intensity of a fire.What 2. these organic materialss had can also discharge a large amount of poison gas in the scene of a fire, and this main factor of causing casualties of fire just.According to statistics, in the fire since the lethal ratio of flue gas up to 75% ~ 80%.The case of heat insulating material for external initiation fire has: the special fire disaster in building site, attached cultural center, garden, Chinese Central Television (CCTV) new address, Peking University's table tennis training hall fire, apartment, road, 1115 Jiangzhou, Shanghai fire or the like.These fire have all caused serious injures and deaths and heavy losses, influence very big.Therefore, the flame retardant properties of lagging material has caused showing great attention to and paying attention to of the public, and becomes a gordian technique of lagging material Sustainable development.
Summary of the invention
The present invention is intended to solve that existing external-wall heat-insulation material exists that fire protection flame retarding is poor, can discharge technical problem such as a large amount of poison gas after the burning, has to provide a kind of that good exterior-wall heat insulation performance, anti-flaming function are good, burning back flue gas can be controlled in a kind of outer wall thermal insulation energy-conserving fire retardant material in the safety range.
The objective of the invention is to be achieved through the following technical solutions.
A kind of outer wall thermal insulation energy-conserving fire retardant material of the present invention, form by the component of following weight part:
Spherical closed pore expanded perlite 700 ~ 800
Ordinary Portland cement 600 ~ 700
Water-ground limestone 200 ~ 300
Fire retardant 3 ~ 5
Water-retaining admixture 6 ~ 8
Redispersible latex powder 5 ~ 7
Polypropylene monofilament fiber 1 ~ 3
A kind of outer wall thermal insulation energy-conserving fire retardant material of the present invention, wherein said spherical closed pore expanded perlite particle diameter is 0.1mm ~ 1.5mm, and balling ratio is greater than 85%, and rate of closed hole is greater than 95%.
A kind of outer wall thermal insulation energy-conserving fire retardant material of the present invention, wherein said fire retardant are that the ammonium polyphosphate of 2:1 and aluminium hydroxide mix and forms by weight ratio.
A kind of outer wall thermal insulation energy-conserving fire retardant material of the present invention, wherein said water-retaining admixture is methylcellulose gum or Vltra tears, viscosity is 150000 ~ 200000 CPS.
A kind of outer wall thermal insulation energy-conserving fire retardant material of the present invention, wherein said polypropylene monofilament staple length is 10 ~ 20mm.
The mechanism of action of the present invention:
Traditional pearlstone has low-down thermal conductivity, can be used as the main raw material(s) of lagging material in theory.But it is easily broken in the slurry process for preparation, and water-intake rate is very high, and morbid state such as bubbling cracking appear in end article easily, and suction also reduced the heat-insulating property of goods, has seriously restricted its application.The present invention has used spherical closed pore expanded perlite, and the vitreous surface that its particle shell is a continuous whole has certain intensity, and the anti-breaking capacity of particulate is good, and water-intake rate is very low, and its slurry workability is good, and end article has the excellent insulating energy-saving effect.
Whole slurry system adopts ordinary Portland cement as main gelling system, has similarity with the basic unit body of wall, and is synchronously aging, can guarantee the reliability and the weather resistance of heat preservation energy-saving system.
Water-ground limestone uses as joint filler, can increase small product size, reduce cost, and improve workability, improves product size stability.
The use of redispersible latex powder mainly is that the ordinary Portland cement gelling system is played modifying function, has improved bonding strength, water tolerance, weathering resistance, snappiness, shock resistance of slurry or the like significantly.
Water-retaining admixture as water-holding agent, the retardant of slurry, can increase the viscosity of slurry, improves smearing property and prolongs operable time so that construct, and make slurry can not strengthen sclerosis back intensity because of doing to such an extent that chap too soon after smearing.
The polypropylene monofilament fiber has alkali-resistivity, resistance to acid, characteristics such as does not absorb water, do not corroded fully, is the high strongthener of a kind of weather resistance.Use can improve its cracking resistance, impervious, shock resistance, freeze proof, wear resistance in slurry, improve its toughness and ductility simultaneously, thus the weather resistance of guarantee system.
This invention system main component is an inorganic materials, but improves in order to do necessary performance, has also added a certain amount of organic composition.And just there is the potential fire hazard in these organic substances.Therefore, the present invention has used ammonium polyphosphate and aluminium hydroxide to mix the fire retardant of forming.Wherein, ammonium polyphosphate is a kind of potent acidifying catalytic dehydrating agent, can make the organics dehydration charing in the system in the time of in the scene of a fire, and the generation of inflammable substance when reducing its thermolysis stops the big char combustion reaction of thermal discharge, thereby stops burning; Aluminium hydroxide is anti-flaming smoke-inhibiting agent efficiently, and main effect is the generation that suppresses material flue gas in the scene of a fire time, thereby avoids the injury to human body of possible poison gas.
See Table 4 below in conjunction with the concrete material proportion of each embodiment of embodiment 1-5() technical scheme of the present invention is described further.
A kind of outer wall thermal insulation energy-conserving fire retardant material of the present invention detects by GB/T 20473-2006 " building heat-insulating mortar ", and its main performance index sees Table 1.
Table 1 a kind of outer wall thermal insulation energy-conserving fire retardant material main performance index of the present invention
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Do apparent density, kg/m 3 | 260 | 250 | 292 | 280 | 298 |
| Ultimate compression strength, MPa | 0.29 | 0.27 | 0.35 | 0.32 | 0.36 |
| Thermal conductivity, W/ (mK) | 0.067 | 0.063 | 0.072 | 0.069 | 0.072 |
A kind of outer wall thermal insulation energy-conserving fire retardant material of the present invention detects by GB 8624-2006 " material of construction and the classification of goods combustionproperty ", and combustionproperty reaches A1 level (not firing level), and concrete data see Table 2.
Table 2 a kind of outer wall thermal insulation energy-conserving fire retardant material combustion performance index of the present invention
| Project | Index request | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Average temperature rising in the stove, ℃ | ≤30 | 3 | 2 | 3 | 4 | 3 |
| The sample mean sustained combustion time, s | 0 | 0 | 0 | 0 | 0 | 0 |
| The sample mean mass loss rate, % | ≤50 | 2.3 | 1.5 | 1.4 | 2.2 | 2.1 |
When a kind of outer wall thermal insulation energy-conserving fire retardant material of the present invention carried out the entity fire test, on macroscopic view, the exhaust gas volumn of generation obviously reduced, and does not have irritating smell basically.It produces the smoke toxicity classification and detects by GB/T 20285-2006 " classification of material producing smoke toxicity risk ", arrives 1 grade of accurate safety, the results are shown in Table 3.
The classification of table 3 a kind of outer wall thermal insulation energy-conserving fire retardant material producing smoke toxicity risk of the present invention
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Rank | 1 grade of (ZA of accurate safety 1） | 1 grade of (ZA of accurate safety 1） | 1 grade of (ZA of accurate safety 1） | 1 grade of (ZA of accurate safety 1） | 1 grade of (ZA of accurate safety 1） |
In sum, a kind of outer wall thermal insulation energy-conserving fire retardant material of the present invention has following technical characterstic and beneficial effect:
1. energy-saving heat preserving is effective;
2. flame retardant properties is good;
3. its product can reach accurate security level when being subjected to fire in the scene of a fire, can not injure and not flee from scene of a fire personnel and firefighter, also can not cause environmental pollution.
Embodiment
A kind of each embodiment components by weight portions of outer wall thermal insulation energy-conserving fire retardant material of the present invention is as shown in table 4.
Table 4 embodiment material proportion table
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Spherical closed pore expanded perlite | 725 | 775 | 750 | 800 | 700 |
| Ordinary Portland cement | 620 | 670 | 650 | 700 | 600 |
| Water-ground limestone | 300 | 200 | 280 | 220 | 250 |
| Fire retardant | 3 | 4.6 | 5 | 4 | 3.3 |
| Water-retaining admixture | 7.5 | 6 | 8 | 6.3 | 7 |
| Redispersible latex powder | 5.5 | 7 | 5 | 6.5 | 6 |
| The polypropylene monofilament fiber | 1 | 2 | 3 | 1.4 | 2.5 |
The compound method of each embodiment is identical, promptly presses the consumption of table 4, adds suitable quantity of water earlier in single horizontal axis mortar mixer, add all components except that spherical closed pore expanded perlite, stir, add spherical closed pore expanded perlite again, be stirred at a slow speed workability preferably slurry get final product.This slurry generally used up in 4 hours.During concrete the construction, get final product according to slurry class heat-insulation system technical regulation commonly used.
Claims (5)
1. outer wall thermal insulation energy-conserving fire retardant material is characterized in that being made up of the component of following weight part:
Spherical closed pore expanded perlite 700 ~ 800
Ordinary Portland cement 600 ~ 700
Water-ground limestone 200 ~ 300
Fire retardant 3 ~ 5
Water-retaining admixture 6 ~ 8
Redispersible latex powder 5 ~ 7
Polypropylene monofilament fiber 1 ~ 3.
2. a kind of outer wall thermal insulation energy-conserving fire retardant material as claimed in claim 1, it is characterized in that: described spherical closed pore expanded perlite particle diameter is 0.1mm ~ 1.5mm, and balling ratio is greater than 85%, and rate of closed hole is greater than 95%.
3. a kind of outer wall thermal insulation energy-conserving fire retardant material as claimed in claim 1 is characterized in that: described fire retardant is that the ammonium polyphosphate of 2:1 and aluminium hydroxide mix and forms by weight ratio.
4. a kind of outer wall thermal insulation energy-conserving fire retardant material as claimed in claim 1, it is characterized in that: described water-retaining admixture is methylcellulose gum or Vltra tears, viscosity is 150000 ~ 200000 CPS.
5. a kind of outer wall thermal insulation energy-conserving fire retardant material as claimed in claim 1, it is characterized in that: described polypropylene monofilament staple length is 10 ~ 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110027683.6A CN102173680B (en) | 2011-01-26 | 2011-01-26 | Heat-insulating energy-saving flame-retardant material for external wall |
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| CN201110027683.6A CN102173680B (en) | 2011-01-26 | 2011-01-26 | Heat-insulating energy-saving flame-retardant material for external wall |
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| CN102173680A true CN102173680A (en) | 2011-09-07 |
| CN102173680B CN102173680B (en) | 2014-10-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896528A (en) * | 2012-12-24 | 2014-07-02 | 深圳市嘉达高科产业发展有限公司 | Sound insulation, thermal insulation and waterproof mortar for flooring and preparation method thereof |
| WO2015056139A3 (en) * | 2013-10-14 | 2015-10-22 | Adt Aero Dämm Technik Gmbh | Mortar mixture for thermal insulation and/or as fire protection and for universal applications, and methods for the production and use thereof |
| CN106116367A (en) * | 2016-07-01 | 2016-11-16 | 桂林健威科技发展有限公司 | A kind of energy-saving steel structure assembly house intercepts the slurry of heat bridge |
| CN107083210A (en) * | 2017-06-14 | 2017-08-22 | 合肥市旺友门窗有限公司 | It is a kind of for expansion fire-proof adhesive of fire resistant doorsets and preparation method thereof |
| CN107474695A (en) * | 2017-09-08 | 2017-12-15 | 南宁众创空间科技有限公司 | A kind of heat preservation energy-saving coating for building and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807337A (en) * | 2006-01-26 | 2006-07-26 | 王正权 | Gypsum base swelling perlite heat-insulating mortar dry powder and its usage method |
-
2011
- 2011-01-26 CN CN201110027683.6A patent/CN102173680B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807337A (en) * | 2006-01-26 | 2006-07-26 | 王正权 | Gypsum base swelling perlite heat-insulating mortar dry powder and its usage method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896528A (en) * | 2012-12-24 | 2014-07-02 | 深圳市嘉达高科产业发展有限公司 | Sound insulation, thermal insulation and waterproof mortar for flooring and preparation method thereof |
| WO2015056139A3 (en) * | 2013-10-14 | 2015-10-22 | Adt Aero Dämm Technik Gmbh | Mortar mixture for thermal insulation and/or as fire protection and for universal applications, and methods for the production and use thereof |
| US10029950B2 (en) | 2013-10-14 | 2018-07-24 | Adt Aero Dämm Technik Gmbh | Mortar mixture for thermal insulation and/or as fire protection and for universal applications, and methods for the production and use thereof |
| CN106116367A (en) * | 2016-07-01 | 2016-11-16 | 桂林健威科技发展有限公司 | A kind of energy-saving steel structure assembly house intercepts the slurry of heat bridge |
| CN107083210A (en) * | 2017-06-14 | 2017-08-22 | 合肥市旺友门窗有限公司 | It is a kind of for expansion fire-proof adhesive of fire resistant doorsets and preparation method thereof |
| CN107474695A (en) * | 2017-09-08 | 2017-12-15 | 南宁众创空间科技有限公司 | A kind of heat preservation energy-saving coating for building and preparation method thereof |
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| CN102173680B (en) | 2014-10-22 |
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Application publication date: 20110907 Assignee: Sichuan Tianfu Fireproof Material Co., Ltd. Assignor: Sichuan Fire Fighting Inst., Ministry of Public Safety Contract record no.: 2014510000180 Denomination of invention: Heat-insulating energy-saving flame-retardant material for external wall Granted publication date: 20141022 License type: Exclusive License Record date: 20141114 |
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Granted publication date: 20141022 Termination date: 20210126 |
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