CN103408321B - Styrene foam particle-magnesium oxychloride cement composite heat insulation material and preparation method thereof - Google Patents
Styrene foam particle-magnesium oxychloride cement composite heat insulation material and preparation method thereof Download PDFInfo
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- CN103408321B CN103408321B CN201310230071.6A CN201310230071A CN103408321B CN 103408321 B CN103408321 B CN 103408321B CN 201310230071 A CN201310230071 A CN 201310230071A CN 103408321 B CN103408321 B CN 103408321B
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- oxychloride cement
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Abstract
The invention discloses a polystyrene foam particle-magnesium oxychloride cement composite heat insulation material and a preparation method thereof. The EPS (expanded polystyrene) particle-magnesium oxychloride cement composite heat insulation material is a novel lightweight organic-inorganic composite heat insulation material which is prepared by steps of firstly foaming magnesium oxychloride cement, industrial waste slag, EPS particles, PPF (polypropylene fiber) fiber, a foaming agent and water by using a slurry body of a cementing material of the magnesium oxychloride cement and further mixing with the EPS particles. The EPS particle-magnesium oxychloride cement composite heat insulation material comprises the following components in percentage by weight: 49.81-52.13% of magnesium oxychloride cement, 16.76-17.52% of industrial waste slag, 1.83-5.61% of EPS particles, 0.37-0.81% of PPF fiber, 0-0.21% of foaming agent and 26.89-28.10% of water. The EPS particle-magnesium oxychloride cement composite heat insulation material disclosed by the invention has the prominent features of low price, good heat insulation performance, energy conservation, waste recycling, environmental friendliness and the like.
Description
Technical field
What the present invention relates to is a kind of novel light, the Organic-inorganic composite lagging material that utilize polystyrene foam (EPS) particle, magnesia oxychloride cement, industrial residue and whipping agent to prepare.Concretely, EPS particle is combined with the gelling material matrix phase by foaming technique gained and a kind of Organic-inorganic composite lagging material prepared.Be mainly used in the field such as building energy conservation, wall thermal insulating.
Background technology
Construction industry is China's mainstay industry; building energy consumption accounts for 1/3 of social total energy consumption, along with the quickening of urbanization process and the improvement of people's living standard, and can rising year by year of China's building energy consumption; building high energy consumption aggravation energy dilemma, has become the weakness of China's Economic development.Meanwhile, the industrial residues such as a large amount of flyash of China, slag, silicon ash can not get effective process, occupy a large amount of land resources, the severe contamination environment of periphery.Therefore, effectively utilize industrial residue, development of new energy-saving building materials and goods, meet the building energy conservation requirement of building low-carbon economy and energy-saving and emission-reduction, China's sustainable economic development tool is of great significance.
The thermal conductivity of EPS particle is low, and thermal and insulating performance is excellent, is desirable lagging material.The excellent properties such as magnesia oxychloride cement has the high and low alkalescence of early strength, proportion is little, fire line good, thermal conductivity is little, have excellent adhesive property with EPS particle.Meanwhile, the utilizations of industrial residues such as flyash, ground slag, levigate colliery powder or silicon ash are the effective process approach turned waste into wealth, and for developing a circular economy, environmental protection has great significance.Therefore, exploitation EPS particle and industrial residue prepare Organic-inorganic composite lagging material and goods by foaming technique, and for developing a circular economy, advance China's energy-saving and emission-reduction work to have important practical significance, application and development prospect is very wide.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of polystyrene foam particles-Sorel cement composite thermal insulation material (dry density 215 ~ 480kg/m
3, thermal conductivity is at 0.06 ~ 0.14W/ (mK) originally), the raw material sources of the EPS particle-Sorel cement composite thermal insulation material of invention is extensive, technology of preparing is simple, facility investment is little, with low cost, natural curing.Therefore, matrix material of the present invention is convenient to apply on a large scale in China's building energy saving field.
Technical scheme: for solving the problems of the technologies described above, the invention provides a kind of polystyrene foam particles-Sorel cement composite thermal insulation material, and the mass percent of each component of this material is:
Described magnesia oxychloride cement is made up of magnesium oxide, magnesium chloride, water-resisting agent.
Described industrial residue is any one in flyash, ground slag, levigate colliery powder or silicon ash.
Described polystyrene foam particles is lightweight, uniform particle sizes, surface modification and the particle of heat-insulation and heat-preservation.
Described PPF fiber is the organic fibre of short thin, excellent dispersion.
Described whipping agent is protein whipping agent.
The preparation method of polystyrene foam particles-Sorel cement composite thermal insulation material of the present invention comprises the steps: first to take required magnesia oxychloride cement by formula rate, industrial residue, polypropylene fibre, water are stirred to uniform slurry shape material; Whipping agent is added in foaming machine and foams, then foam is injected magnesia oxychloride cement slurry, be stirred to evenly; According to formula rate, polystyrene foam particles is added in foaming magnesium oxychloride cement slurry again, mixing and stirring, lay alkali-proof glass fiber mesh at mold bottom and build shaping; Finally repave one deck grid cloth on slurry surface, natural curing forms.
Beneficial effect:
(1) Organic-inorganic composite, utilizes EPS particle and magnesia oxychloride cement to prepare in Organic-inorganic composite mode, gives full play to that organic materials quality is light, good effect of heat insulation, inorganic materials early-strong-fast-hard, the advantages such as fire line is good; (2) environmental benefit is remarkable, adopts the industrial residues such as flyash, ground slag, levigate colliery powder, silicon ash, turns waste into wealth, have significant energy conservation and environmental protection benefit; (3) disorderly to fiber and directed mesh sheet hybrid buildup, disorderly to PPF fiber and directed glass grid cloth, there is hybrid buildup effect, the bending resistance of lagging material, tensile strength and toughness can be increased substantially; Technology of preparing is simple, with low cost.EPS particle-Sorel cement composite thermal insulation material prepared by the above-mentioned technology of integrated use, there is no this series products both at home and abroad.
Embodiment
The present invention will be further described below.
The present invention is directed to the deficiencies in the prior art and defect, utilize EPS particle and magnesia oxychloride cement to prepare in Organic-inorganic composite mode, give full play to that organic materials quality is light, good effect of heat insulation, inorganic materials early-strong-fast-hard, the advantages such as fire line is good; In inorganic coagulation material composition, select suitable industrial residue kind and volume, there is environmental protection meaning; In addition, the unrest in inorganic gel matrix has hybrid buildup effect to PPF fiber and the directional glass fiber grid cloth being laid on goods upper and lower surface, can increase substantially the bending resistance of lagging material, tensile strength and toughness.On this basis, select the foaming agent of suitable type, body material and industrial residue, prepare the excellent EPS particle-Sorel cement composite thermal insulation material of thermal and insulating performance according to different composition and ratio and preparation parameter design.The recycle that can be a large amount of industrial residue of China provides new technology, and can promote the development of Energy Saving Technique for Buildings in Our Country, and have important theory significance and significant engineer applied value, market outlook are very wide.
EPS particle-Sorel cement composite thermal insulation material provided by the invention, the mass percent of each component of this material is:
Described magnesia oxychloride cement is made up of magnesium oxide, magnesium chloride, water-resisting agent.
Described industrial residue is any one in flyash, ground slag, levigate colliery powder or silicon ash.
Described EPS particle is lightweight, uniform particle sizes, surface modification and the particle of heat preservation and insulation excellence.
Described PPF fiber is the organic fibre of short thin, excellent dispersion.
Described whipping agent is protein whipping agent.
Present invention also offers the preparation method of a kind of EPS particle-Sorel cement composite thermal insulation material, the method comprises the steps: first to take required magnesia oxychloride cement by formula rate, industrial residue, PPF fiber, water is stirred to uniform slurry shape material; Whipping agent is added in foaming machine and foams, then foam is injected magnesia oxychloride cement slurry, be stirred to evenly; According to formula rate, EPS particle is added in foaming magnesium oxychloride cement slurry again, mixing and stirring, lay alkali-proof glass fiber mesh at mold bottom and build shaping; Finally repave one deck grid cloth on slurry surface, natural curing forms.
Embodiment 1:
Record its performance as follows:
Dry density is 240kg/m
3, ultimate compression strength is 0.40MPa, and thermal conductivity is 0.064W/ (mK).
Embodiment 2:
Record its performance as follows:
Dry density is 312kg/m
3, ultimate compression strength is 0.8MPa, and thermal conductivity is 0.087W/ (mK).
Embodiment 3:
Record its performance as follows:
Dry density is 215kg/m
3, ultimate compression strength is 0.33MPa, and thermal conductivity is 0.062W/ (mK).
Embodiment 4:
Record its performance as follows:
Dry density is 300kg/m
3, ultimate compression strength is 0.78MPa, and thermal conductivity is 0.083W/ (mK).
Embodiment 5:
Record its performance as follows:
Dry density is 384kg/m
3, ultimate compression strength is 1.28MPa, and thermal conductivity is 0.112W/ (mK).
Embodiment 6:
Record its performance as follows:
Dry density is 228kg/m
3, ultimate compression strength is 0.38MPa, and thermal conductivity is 0.064W/ (mK).
Embodiment 7:
Record its performance as follows:
Dry density is 480kg/m
3, ultimate compression strength is 1.65MPa, and thermal conductivity is 0.142W/ (mK).
Embodiment 8:
Record its performance as follows:
Dry density is 390kg/m
3, ultimate compression strength is 1.3MPa, and thermal conductivity is 0.130W/ (mK).
Claims (2)
1. polystyrene foam particles-Sorel cement composite thermal insulation material, is characterized in that, the mass percent of each component of this material is:
Described magnesia oxychloride cement is made up of magnesium oxide, magnesium chloride, water-resisting agent;
Described industrial residue is any one in flyash, ground slag, levigate colliery powder or silicon ash;
Described polystyrene foam particles is lightweight, uniform particle sizes, surface modification and the particle of heat-insulation and heat-preservation;
Described PPF fiber is the organic fibre of short thin, excellent dispersion;
Described whipping agent is protein whipping agent.
2. the preparation method of polystyrene foam particles-Sorel cement composite thermal insulation material as claimed in claim 1, it is characterized in that, the method comprises the steps: first to take required magnesia oxychloride cement by formula rate, industrial residue, PPF fiber, water is stirred to uniform slurry shape material; Whipping agent is added in foaming machine and foams, then foam is injected magnesia oxychloride cement slurry, be stirred to evenly; According to formula rate, polystyrene foam particles is added in foaming magnesium oxychloride cement slurry again, mixing and stirring, lay alkali-proof glass fiber mesh at mold bottom and build shaping; Finally repave one deck grid cloth on slurry surface, natural curing forms.
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CN106187311A (en) * | 2016-07-29 | 2016-12-07 | 合肥广能新材料科技有限公司 | Polystyrene cement composite heat preserving material and preparation method thereof |
CN106278134A (en) * | 2016-08-08 | 2017-01-04 | 张春辉 | A kind of insulation material, and preparation method thereof |
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CN1385395A (en) * | 2002-07-01 | 2002-12-18 | 徐清江 | Light high-strength thermal-insulation material for builidng |
CN101244583A (en) * | 2008-03-18 | 2008-08-20 | 支亮 | Polystyrene foam plate and manufacturing method thereof |
CN102635173A (en) * | 2012-05-14 | 2012-08-15 | 陈云玲 | Fire-proofing insulation composite plate for external wall |
CN102850034A (en) * | 2012-09-29 | 2013-01-02 | 江苏尼高科技有限公司 | Chlorine magnesium cement compound foaming insulation board and preparation method thereof |
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