CN105601323A - Foam concrete composite lightweight partition batten and preparation method thereof - Google Patents
Foam concrete composite lightweight partition batten and preparation method thereof Download PDFInfo
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- CN105601323A CN105601323A CN201510964567.5A CN201510964567A CN105601323A CN 105601323 A CN105601323 A CN 105601323A CN 201510964567 A CN201510964567 A CN 201510964567A CN 105601323 A CN105601323 A CN 105601323A
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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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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1037—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/049—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres completely or partially of insulating material, e.g. cellular concrete or foamed plaster
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/48—Foam stabilisers
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- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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Abstract
The invention discloses a foam concrete composite lightweight partition batten, which comprises a panel foam concrete and a core foam concrete. The panel foam concrete is symmetrically arranged on both sides of the core foam concrete, and has the bulk density of 600-900kg / m<3>; and the core foam concrete has density of 150-500kg / m<3>. The present invention uses foam concrete layers with different densities and functions to design the composite lightweight partition batten, uses foam concrete with high density and high strength grade to substitute a traditional calcium silicate board panel structure, uses the core foam concrete with relatively low density and low strength to fill the middle of the composite wall. The method can effectively reduce the use of calcium silicate board, reduce the production cost of lightweight composite partition batten, and simplify the production process; and the obtained foam concrete composite lightweight partition batten has excellent performances of waterproofness, thermal insulation, fireproofness, sound insulation and phase change energy storage, and has broad application prospects.
Description
Technical field
The present invention relates to building material technical field, be specifically related to a kind of foam concrete composite light partition wall batten and preparation side thereofMethod.
Background technology
China's light partition board for building mainly comprises glass fiber reinforced cement batten, glass fiber reinforced gypsum batten, steelSilk screen refinforced cement batten, lightweight concrete slat, granules of polystyrene sandwich light lath etc. Since " 12 ", stateFamily carries out green building material and green wall materials energetically, the production of restriction clay brick and solid brick, and energy-saving environment-friendly light partition wall batten obtainsTremendous development.
At present,, there is the defects such as Heavy Weight, cost is high, soundproof effect is poor in existing concrete foamed light mill for slats of center partition wall made,Limit its applying in engineering. Because the single cystosepiment surface quality of tradition cannot effectively be controlled, calcium silicate board with microporous sandwich knotStructure composite plate is applied. But the sandwich light laths such as polystyrene foam, polyurethane foam are heat-resisting, ageing-resistantPoor performance, exists easy firing, when burning to discharge the shortcoming of a large amount of poison gas, serious threat people's the security of the lives and property. MultipleCo-clip core partition wall batten panel used is mostly calcium silicate board with microporous, and the cost of raw material is high, and production technology is strict, complex procedures, and body of wall holdsIn calcium silicate board with microporous great and inferior, contain the harmful components such as asbestos. Traditional light partition board is dry to be shunk greatly, easily causes that wallboard opensSplit, have a strong impact on its quality.
Therefore, further explore novel foam concrete composite light partition wall batten and there is important practical application meaning.
Summary of the invention
The deficiency existing for prior art, the present invention proposes a kind of foam concrete composite light partition wall batten, and it has unit weightGently, the feature such as low, the fire-proof and damp-proof of cost, phase-change accumulation energy, can solve that traditional calcium silicate board with microporous surface layer unit weight is large, cost is high and laminboard layerThe problems such as easy shrinkage cracking, are applicable to applying.
For achieving the above object, the technical solution used in the present invention is:
A kind of foam concrete composite light partition wall batten, it is made up of panel foam concrete and core body foam concrete, whereinPanel foam concrete is symmetricly set on core body foam concrete both sides, and the unit weight of panel foam concrete is 600-900kg/m3，The unit weight of core body foam concrete is 150-400kg/m3。
In such scheme, the thickness of described panel foam concrete is 2.5-4.5cm; The thickness of core body foam concrete accounts for panel bubbleThe 80-200% of foam concrete thickness. In such scheme, the shared mass percent of each component in described panel foam concrete: waterMud 30-55%, admixture 10-40%, super-light aggregate 5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%,Hydrophober 0.01-0.05%, blowing agent 0.05-0.25%.
In such scheme, the shared mass percent of each component in described core body foam concrete: cement 30-55%, admixture 5-40%,Phase transformation increases steady material 5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, blowing agent 0.05-0.25%.
In such scheme, described admixture is the one in flyash, silicon ash, slag, blast-furnace cinder, diatomite, volcanic ashIt is or multiple.
In such scheme, described super-light aggregate is leca, lytag, haydites of book structure, silt sludge ceramsite, gangueOne or more in haydite, its unit weight is 300-900kg/m3, simple Compressive Strength >=0.5Mpa.
In such scheme, described hydrophober is a kind of or many in polysiloxanes, Metallic stearates, redispersible latex powderKind.
In such scheme, described Metallic stearates is odium stearate, calcium stearate, zinc stearate or dolomol etc.
In such scheme, the preparation method that described phase transformation increases steady material is: 1) butyl stearate and spy are gathered materials gently at vacuum stillInterior heating stirs, and mass ratio is 1.8-2.2:1, and control temperature is 25-35 DEG C; 2) under the condition of negative pressure of 0.1-0.5MpaPressurize 5-15min, then reduces gradually temperature in the kettle to-5～5 DEG C, and recovers normal pressure; 3) by step 1) and 2) described intensification,Step-down, cooling, recovery normal pressure step cycle 3-5 time; 4) control spy after treatment aggregate temperature≤10 DEG C gently, then with ringEpoxy resins wraps its surface, makes described phase transformation and increases steady material.
In such scheme, described spy gathers materials gently for one or more in expanded perlite, glass bead, special light haydite, holdsHeavy 50-300kg/m3。
In such scheme, described fiber is polypropylene fibre, polyethylene fibre, cyclization, Fypro, glassOne or more in fiber, vinylon fibre, string, basalt fibre; Described foam stabilizer is cellulose ether, alkyl phenolOne or more in oxygen vinethene, polyvinyl alcohol, polyacrylamide, monoethanolamine.
In such scheme, assembled for realizing wallboard, also distinguish at the two ends of foam concrete composite light partition wall batten thickness directionTenon and tongue-and-groove are set.
The preparation method of above-mentioned a kind of foam concrete composite light partition wall batten, is characterized in that, comprises the following steps:
1) prepare panel foam concrete moulding: take according to the following ratio each component: cement 30-55%, admixture 10-40%,Super-light aggregate 5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, hydrophober 0.01-0.05%, send outInfusion 0.05-0.25%, wherein super-light aggregate is done full water 12-24h processing, drains surface water when use; By cement, admixture,Super-light aggregate, hydrophober, fiber add dry mixing 1-2min in mixer, and blunge 2-3min obtains cement slurry I, will send outInfusion and water are by 1:(40-80) extension rate dilute, then add foam stabilizer, pour in foaming machine and get blisters; By gainedFoam and cement slurry I carry out mix and blend 30-45s and go out machine and carry out panel foam concrete and build, maintenance 2d in mould;
2) prepare core body foam concrete and build: taking according to the following ratio each component: cement 30-55%, admixture 5-40%,Phase transformation increases steady material 5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, blowing agent 0.05-0.25%;By cement, admixture, phase transformation increase steady material, fiber adds dry mixing 1-2min in mixer, adds water mix 2-3min, obtains waterMaterial-mud II; By blowing agent and water by 1:(40-80) extension rate dilute, then add foam stabilizer, pour foaming machine into and carry outGet blisters; Gained foam and cement slurry II are carried out to mix and blend 30-45s to be gone out machine and obtains core body foam concrete slurry;
3) core body foam concrete cast: utilize mould by two identical steps 1) gained panel foam concrete plate is arranged toThe distance (spacing distance is core body foam concrete thickness) of regulation, then pours into core body foam concrete slurry, and sealing moulding is supportedProtect the 5d demoulding, continue maintenance to 28d, obtain described foam concrete composite light partition wall batten.
The present invention adopts the foam concrete layer of different densities and functional requirement to design composite light partition wall batten:
1) substitute traditional calcium silicate board with microporous panel construction with the foam concrete of higher density, high strength grade, can save composite lightThe production cost of partition wall batten, simplifies production process, also can solve the bonding consistency problem between unlike material; By at faceIn plate foam concrete slip, add high tenacity short fiber and full water super-light aggregate, make panel foam concrete internal shearing stressEffectively dissipated, blocked crack sustainable development, crack is effectively controlled; It is steady that super-light aggregate can play aggregate increasing simultaneouslyEffect, has limited the dry contraction of foam concrete, and the panel foam concrete surface quality excellence of preparation, and facing is strong; WithTime the hydrophober that mixes in the panel concrete inside of having blocked moisture and enter light composite wallboard, solved wallboard hygroscopicity large etc.Shortcoming; Gained foam concrete panel construction has excellent heat-insulating, fire-preventing, noise reduction sound insulation value, reaches the requirement of A level fire-protection rating.
2) adopt compared with low-density, low intensive core body foam concrete combined wall middle part is filled, alleviated composite plateIntegral face density, has reduced the integrated cost of composite lightweight wall plate; Meanwhile, the phase transformation of admixture increase steady material play energy-storage thermal-insulating andStructure increases steady double action; Core body foam concrete phase change material inside causes phase transformation material by the variation of internal and external environment temperatureThe suction heat release of material, has reduced the thermal conductivity factor of light composite wallboard, has improved the heat storage coefficient of light composite wallboard, more favourableIn Indoor environment energy-saving heat preserving effect.
Compared with prior art, beneficial effect of the present invention is:
1) adopt MULTILAYER COMPOSITE light foam concrete sandwich structure to substitute traditional silico-calcium plate holder core cystosepiment, can effectively reduce silico-calciumThe use of plate, has reduced the production cost of composite light partition wall batten, has simplified production process;
2) surface layer foam concrete panel construction can play the performance such as effective fire-proof and thermal-insulation, sound-absorbing noise reduction, and air oise insulation factor increasesAdd 10-20%, burning grade reaches the requirement of A level, has increased comfortableness and the security of indoor inhabitation;
3) short fiber of introducing in panel foam concrete and full water Superlight ceramsites, increased concrete structural stability, limitMade the development of distress in concrete, efficiently solve partition wall batten easy to crack, shrink the problems such as large;
4) moisture that the hydrophober of introducing in panel foam concrete can intercept in air ambient enters partition wall batten inside, coagulationSoil water absorption rate significantly reduces, and can reach≤3% requirement, efficiently solves the problems such as wallboard hygroscopicity;
5) heat-proof quality, the heat storage performance of this foam concrete composite light partition wall batten significantly improve, thermal conductivity factor≤0.20W/ (mK), energy-saving benefit increases 5-10%, and indoor energy-saving insulation remarkable benefit increases, and has also improved the comfortableness of living simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of multifunctional bubble foam concrete composite light partition wall batten described in the embodiment of the present invention 1.
In figure, 1 is panel foam concrete, and 2 is core body foam concrete.
Detailed description of the invention
In order to understand better the present invention, further illustrate content of the present invention below in conjunction with embodiment, but not only office of the present inventionBe limited to the following examples.
As no specific instructions, the reagent of employing is commercially available chemical reagent or industrial products to following examples.
In following examples, described cement is hero's board PO42.5 cement; Admixture is that flyash, silicon ash 3:1 mix;Super-light aggregate is silt sludge ceramsite, unit weight 525kg/m3, simple Compressive Strength 2.0Mpa; Hydrophober is by odium stearate and redispersibleLatex powder mixes by the mass ratio of 4:1; Fiber is polypropylene fibre; Foam stabilizer is cellulose ether; Blowing agent is deep-seaSH-1261 foam concrete cement special blowing agent.
The preparation method that described phase transformation increases steady material is: 1) butyl stearate and spy being gathered materials gently, it is equal in vacuum still, to add thermal agitationEven, mass ratio is 2:1, and controlling temperature is 30 DEG C; 2) pressurize 5min under the condition of negative pressure of 0.2Mpa, then reduces graduallyTemperature in the kettle to 0 DEG C, recovers normal pressure; 3) so intensification, step-down, cooling, recovery normal pressure, circulate 3 times; 4) control placeSpy after reason aggregate temperature≤10 DEG C gently, wrap its surface with epoxy resin, make described phase transformation and increase steady material.
Described spy gathers materials gently for expanded perlite, and unit weight is 100kg/m3。
In following examples, the preparation method of described foam concrete composite light partition wall batten comprises the following steps:
1) prepare panel foam concrete: take each raw material, Qi Zhongchao by the shared mass percent of the each component of panel foam concreteLight-weight aggregate is made full water 24h and is processed, and drains surface water when use; Cement, admixture, super-light aggregate, hydrophober, fiber are addedEnter dry mixing 1min in mixer, blunge 3min, obtains cement slurry I, by blowing agent and water (required additionally the adding of foamingWater) dilute by the extension rate of 1:50, then add foam stabilizer, pour in foaming machine and get blisters; By gained foam withCement slurry I carries out mix and blend 40s and goes out machine and carry out panel foam concrete and build, and carries out maintenance 2d in mould;
2) prepare core body foam concrete slurry: take each raw material by the shared mass percent of the each component of core body foam concrete, willCement, admixture, phase transformation increase steady material, fiber adds dry mixing 1min in mixer, add water mix 3min, obtain cement slurryII; Blowing agent and water (the required water additionally adding foams) are diluted by the extension rate of 1:50, then add foam stabilizer,Pouring foaming machine into gets blisters; Gained foam and cement slurry II are carried out to mix and blend 30s to be gone out machine and obtains core body foam concrete slurry;
3) core body foam concrete cast: utilize special mould by two identical steps 1) gained panel foam concrete plate establishesBe set to the distance of regulation, perfusion core body foam concrete, the sealing blanks and moulding and conserving 5d demoulding, continue maintenance to cutting after 28d,Polishing, obtains described foam concrete composite light partition wall batten.
Embodiment 1
A kind of foam concrete composite light partition wall batten, it is formed and (is seen by panel foam concrete 1 and core body foam concrete 2Fig. 1), wherein panel foam concrete 1 is symmetricly set on core body foam concrete 2 left and right sides, panel foam concrete 1 HeThe thickness of core body foam concrete 2 is 3cm.
In described panel foam concrete, the shared mass percent of each component is: cement 47%, admixture 18%, super-light aggregate8.83%, water 26%, fiber 0.03%, foam stabilizer 0.02%, hydrophober 0.02%, blowing agent 0.10%; Core body foam coagulationIn soil, the shared mass percent of each component is: cement 35%, admixture 27%, phase transformation increase steady material 10.82%, water 27%, fibreDimension 0.01%, foam stabilizer 0.02%, blowing agent 0.15%.
Prepare panel foam concrete and core body foam concrete slurry according to said method, and carry out foam concrete composite lightPartition wall batten build moulding. According to " roof heat insulation is heat insulation with foam concrete ", (JC/T2125-2012) counter plate steeps respectivelyThe performances such as the unit weight of foam concrete plate and core body foam concrete, compression strength, water absorption rate, thermal conductivity factor are tested, resultIn table 1. Foundation " light partition board for building " is (GB/T2451-2009) to the present embodiment gained foam concrete composite light-weightMatter partition wall batten carries out Performance Detection, the results are shown in Table 2.
The performance test results of table 1 embodiment 1 gained panel foam concrete plate and core body foam concrete
The performance test results of table 2 embodiment 1 gained foam concrete composite light partition wall batten
Can be found out by table 1, table 2: the foam concrete composite light partition wall batten that adopts composite multi-layer foam concrete to prepareThe performance requirement that is up to state standards, the more conventional calcium silicate board with microporous sandwich of its thermal conductivity factor batten is lower, and heat storage capacity significantly rises, resistance to compressionThe be above standard requirement of regulation of intensity, shock resistance and bending resistance, and this foam concrete composite light partition wall battenSound insulation, fire protecting performance excellence.
Embodiment 2
A kind of foam concrete composite light partition wall batten, it is made up of panel foam concrete and core body foam concrete, whereinPanel foam concrete is symmetricly set on the core body foam concrete left and right sides, panel foam concrete and core body foam concreteThickness is 4cm. Carry out concrete mixing by the match ratio of panel foam concrete described in embodiment 1 and core body foam concreteCast with foam concrete composite light partition wall batten.
According to " roof heat insulation is heat insulation with foam concrete " (JC/T2125-2012) difference counter plate foam concrete plate and core bodyThe performances such as the unit weight of foam concrete, compression strength, water absorption rate, thermal conductivity factor are tested, and the results are shown in Table 3. According to " buildingBuild with light partition board " (GB/T2451-2009) to carrying out property of the present embodiment gained foam concrete composite light partition wall battenCan detect, the results are shown in Table 4.
The performance test results of table 3 embodiment 2 gained panel foam concrete plates and core body foam concrete
The performance test results of table 4 embodiment 2 gained foam concrete composite light partition wall battens
Can be found out by data in table 3, table 4: adopt foam concrete composite light prepared by composite multi-layer foam concrete everyThe requirement that is up to state standards of wall strip performance, suitably increases the thickness of partition wall batten, its thermal conductivity factor is slightly increased to pressure resistanceDegree, shock resistance and bending resistance be above standard regulation requirement, and this foam concrete composite light partition wall batten everySound, fire protecting performance excellence.
Embodiment 3
A kind of foam concrete composite light partition wall batten, it is made up of panel foam concrete and core body foam concrete, whereinPanel foam concrete is symmetricly set on the core body foam concrete left and right sides, panel foam concrete and core body foam concreteThickness is 4cm.
In described panel foam concrete, the shared mass percent of each component is: cement 55%, admixture 10%, super-light aggregate5.76%, water 29%, fiber 0.04%, foam stabilizer 0.02%, hydrophober 0.03%, blowing agent 0.15%. Core body foam coagulationIn soil, the shared mass percent of each component is: cement 45%, admixture 15%, phase transformation increase steady material 8.81%, water 31%, fibreDimension 0.02%, foam stabilizer 0.02%, blowing agent 0.15%.
Prepare panel foam concrete and core body foam concrete slurry according to said method, and carry out foam concrete composite lightPartition wall batten build moulding. According to " roof heat insulation is heat insulation with foam concrete ", (JC/T2125-2012) counter plate steeps respectivelyThe performances such as the unit weight of foam concrete plate and core body foam concrete, compression strength, water absorption rate, thermal conductivity factor are tested, resultIn table 5. Foundation " light partition board for building " is (GB/T2451-2009) to the present embodiment gained foam concrete composite light-weightMatter partition wall batten carries out Performance Detection, the results are shown in Table 6.
The performance test results of table 5 embodiment 3 gained panel foam concrete plates and core body foam concrete
The performance test results of table 6 embodiment 3 gained foam concrete composite light partition wall battens
Embodiment 4
A kind of foam concrete composite light partition wall batten, it is made up of panel foam concrete and core body foam concrete, whereinPanel foam concrete is arranged on the core body foam concrete left and right sides, the thickness 4cm of panel foam concrete, and core body foam is mixedSolidifying native thickness is 7cm. Carrying out concrete by the match ratio of panel foam concrete described in embodiment and core body foam concrete mixesClose the cast with foam concrete composite light partition wall batten.
According to " roof heat insulation is heat insulation with foam concrete " (JC/T2125-2012) difference counter plate foam concrete plate and core bodyThe performances such as the unit weight of foam concrete, compression strength, water absorption rate, heat conduction heat storage coefficient are tested, and the results are shown in Table 7. Foundation" light partition board for building " (GB/T2451-2009) enters the present embodiment gained foam concrete composite light partition wall battenRow Performance Detection, the results are shown in Table 8.
The performance test results of table 7 embodiment 4 gained panel foam concrete plates and core body foam concrete
The performance test results of table 8 embodiment 4 gained foam concrete composite light partition wall battens
Embodiment 5
A kind of foam concrete composite light partition wall batten, it is made up of panel foam concrete and core body foam concrete, whereinPanel foam concrete is symmetricly set on the core body foam concrete left and right sides, panel foam concrete and core body foam concreteThickness is 3cm.
In described panel foam concrete, the shared mass percent of each component is: cement 35%, admixture 33%, super-light aggregate7.76%, water 24%, fiber 0.05%, foam stabilizer 0.04%, hydrophober 0.03%, blowing agent 0.12%; Core body foam coagulationThe shared mass percent of the each component of soil is: cement 40%, admixture 25%, phase transformation increase steady material 8.74%, water 26%, fiber0.03%, foam stabilizer 0.03%, blowing agent 0.20%.
Prepare panel foam concrete and core body foam concrete slurry according to said method, and carry out foam concrete composite lightPartition wall batten build moulding. According to " roof heat insulation is heat insulation with foam concrete ", (JC/T2125-2012) counter plate steeps respectivelyThe performances such as the unit weight of foam concrete plate and core body foam concrete, compression strength, water absorption rate, heat conduction heat storage coefficient are tested,The results are shown in Table 9. (GB/T2451-2009) multiple to the present embodiment gained foam concrete according to " light partition board for building "Close light partition board and carry out Performance Detection, the results are shown in Table 10.
The performance test results of table 9 embodiment 5 gained panel foam concrete plates and core body foam concrete
The performance test results of table 10 embodiment 5 gained foam concrete composite light partition wall battens
Can find out according to data in table 5, table 6, table 7, table 8, table 9, table 10: adopt composite multi-layer foam concrete systemStandby foam concrete composite light partition wall batten, the requirement that is up to state standards of its performance, the more conventional calcium silicate board with microporous sandwich of thermal conductivity factorBatten is lower, and heat storage capacity significantly rises, compression strength, shock resistance and bending resistance be above standard regulation requirement,And there is excellent sound insulation and fire protecting performance.
In sum, foam concrete composite light partition wall batten of the present invention has waterproof and dampproof, insulation, anti-fire screenThe excellent properties such as sound and phase-change accumulation energy, meets the property indices that standard specifies, is conducive to replace calcium silicate board with microporous in Practical ProjectApply.
The foregoing is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art,Do not depart under the prerequisite of the invention design, make some improvement and conversion, these all belong to protection scope of the present invention.
Claims (10)
1. a foam concrete composite light partition wall batten, is characterized in that, it is mixed by panel foam concrete and core body foamSolidifying soil forms, and wherein panel foam concrete is symmetricly set on core body foam concrete both sides, and the unit weight of panel foam concrete is600-900kg/m3, the unit weight of core body foam concrete is 150-500kg/m3。
2. foam concrete composite light partition wall batten according to claim 1, is characterized in that, described panel foam is mixedSolidifying native thickness is 2.5-4.5cm; The thickness of core body foam concrete accounts for the 80-200% of panel foam concrete thickness.
3. foam concrete composite light partition wall batten according to claim 1, is characterized in that, described panel foam is mixedThe shared mass percent of each component in solidifying soil: cement 30-55%, admixture 10-40%, super-light aggregate 5-20%, fiber0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, hydrophober 0.01-0.05%, blowing agent 0.05-0.25%.
4. foam concrete composite light partition wall batten according to claim 1, is characterized in that, described core body foam is mixedThe shared mass percent of each component in solidifying soil: cement 30-55%, admixture 5-40%, phase transformation increase steady material 5-20%, fiber0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, blowing agent 0.05-0.25%.
5. according to the foam concrete composite light partition wall batten described in claim 3 or 4, it is characterized in that described admixtureFor one or more in flyash, silicon ash, slag, blast-furnace cinder, diatomite, volcanic ash; Described fiber is polypropylene fibreDimension, polyethylene fibre, cyclization, Fypro, glass fibre, vinylon fibre, string, basalt fibreOne or more in dimension; Described foam stabilizer is cellulose ether, alkyl phenol oxygen vinethene, polyvinyl alcohol, polyacrylamide, secondOne or more in hydramine.
6. foam concrete composite light partition wall batten according to claim 3, is characterized in that, described super-light aggregate isOne or more in leca, lytag, haydites of book structure, silt sludge ceramsite, coal gangue haydite, its unit weight is300-900kg/m3, simple Compressive Strength >=0.5Mpa.
7. foam concrete composite light partition wall batten according to claim 3, is characterized in that, described hydrophober is for poly-One or more in siloxanes, Metallic stearates, redispersible latex powder.
8. foam concrete composite light partition wall batten according to claim 4, is characterized in that, described phase transformation increases steady materialThe preparation method of material is: 1) butyl stearate and spy are gathered materials gently and heat and stir in vacuum still, mass ratio is(1.8-2.2): 1, control temperature is 25-35 DEG C; 2) pressurize 5-15min under the condition of negative pressure of 0.1-0.5Mpa, then falls graduallyExtremely-5～5 DEG C of low temperature in the kettle, and recover normal pressure; 3) by step 1) and 2) described intensification, step-down, cooling, recovery normal pressureStep cycle 3-5 time; 4) control spy after treatment aggregate temperature≤10 DEG C gently, epoxy resin wraps its surface, systemObtain described phase transformation and increase steady material.
9. foam concrete composite light partition wall batten according to claim 8, is characterized in that, described spy gathers materials gentlyFor one or more in expanded perlite, glass bead, special light haydite, unit weight is 50-300kg/m3。
10. the preparation method of foam concrete composite light partition wall batten described in claim 1-9 any one, is characterized in that, bagDraw together following steps:
1) prepare panel foam concrete: take according to the following ratio each component: cement 30-55%, admixture 10-40%, ultralight5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, hydrophober 0.01-0.05%, blowing agent gather materials0.05-0.25%, wherein super-light aggregate is done full water 12-24h processing, drains surface water when use; By cement, admixture, ultralightGather materials, hydrophober, fiber adds dry mixing 1-2min in mixer, blunge 2-3min, obtains cement slurry I, by blowing agentWith water by 1:(40-80) extension rate dilute, then add foam stabilizer, pour in foaming machine and get blisters; By gained foamCarry out mix and blend 30-45s with cement slurry I and go out machine and carry out panel foam concrete and build, and carry out maintenance in mould;
2) prepare core body foam concrete slurry: take according to the following ratio each component: cement 30-55%, admixture 5-40%,Phase transformation increases steady material 5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, blowing agent 0.05-0.25%;By cement, admixture, phase transformation increase steady material, fiber adds dry mixing 1-2min in mixer, adds water mix 2-3min, obtains waterMaterial-mud II; By blowing agent and water by 1:(40-80) extension rate dilute, then add foam stabilizer, pour foaming machine into and carry outGet blisters; Gained foam and cement slurry II are carried out to mix and blend 30-45s to be gone out machine and obtains core body foam concrete slurry;
3) core body foam concrete cast: utilize mould by two identical steps 1) gained panel foam concrete plate is arranged toThe distance of regulation, perfusion core body foam concrete, sealing blanks and moulding and conserving, after the demoulding, continuing maintenance, to obtain described foam concrete compoundLight partition board.
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| CN115368164B (en) * | 2022-08-31 | 2023-06-06 | 山东鲁碧绿色建筑科技有限公司 | Preparation method of porous concrete for external wall panel |
| CN116044087A (en) * | 2022-12-30 | 2023-05-02 | 和县飞竣新型建材有限公司 | Light sound-insulation prefabricated wallboard and production method thereof |
| CN116553899A (en) * | 2023-05-15 | 2023-08-08 | 沈阳建筑大学 | Bubble concrete heat-insulating material and processing method thereof |
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