A kind of foam concrete composite light partition wall batten and preparation method thereof
Technical field
The present invention relates to building material technical fields, and in particular to a kind of foam concrete composite light partition wall batten and its
Preparation method.
Background technology
China's light partition board for building mainly includes glass fiber reinforced cement batten, glass fiber reinforced gypsum item
Plate, steel wire enhancing cement batten, lightweight concrete slat, granules of polystyrene sandwich light lath etc..Since the " 12th Five-Year Plan ",
Green building material and green wall materials are carried out energetically by country, limit the production of clay brick and solid brick, energy-saving environment-friendly light partition wall batten
Tremendous development is obtained.
At present, existing concrete foamed light mill for slats of center partition wall, there are weight is heavy, of high cost, soundproof effect is poor etc.
Defect limits its popularization and application in engineering.Since the single cystosepiment surface quality of tradition can not be controlled effectively, calcium silicate board with microporous
Sandwich structure composite plate is applied.But the sandwiches light lath such as polystyrene foam, polyurethane foam it is heat-resisting,
Loss of properties on aging, there are easy firing, burning when discharge a large amount of poison gas the shortcomings that, serious threat people lives and properties peace
Entirely.Panel used in compound sandwich partition wall batten is mostly calcium silicate board with microporous, and the cost of raw material is high, and production technology is stringent, complex procedures, wall
Body unit weight is big and calcium silicate board with microporous inferior in contain the harmful components such as asbestos.Traditional light partition board drying is shunk greatly, is easily caused
Wallboard cracks, and seriously affects its quality.
Therefore, further exploring Novel foam concrete composite light partition wall batten has important practical application meaning.
Invention content
In view of the deficienciess of the prior art, the present invention proposes a kind of foam concrete composite light partition wall batten, tool
Have the features such as light unit weight, at low cost, fire-proof and damp-proof, phase-change accumulation energy, can solve traditional silico-calcium board finish unit weight it is big, it is of high cost and folder
The problems such as sandwich layer easy shrinkage cracking, is suitble to promote and apply.
To achieve the above object, the technical solution adopted by the present invention is:
A kind of foam concrete composite light partition wall batten, it is by panel foam concrete and core foam concrete structure
Into wherein panel foam concrete is symmetricly set on core foam concrete both sides, and the unit weight of panel foam concrete is 600-
900kg/m3, the unit weight of core foam concrete is 150-400kg/m3。
In said program, the thickness of the panel foam concrete is 2.5-4.5cm;The thickness of core foam concrete accounts for
The 80-200% of panel foam concrete thickness.In said program, quality hundred shared by each component in the panel foam concrete
Divide ratio:Cement 30-55%, admixture 10-40%, super-light aggregate 5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizing
Agent 0.01-0.05%, hydrophober 0.01-0.05%, foaming agent 0.05-0.25%.
In said program, mass percent shared by each component in the core foam concrete:Cement 30-55%, blending
Expect that 5-40%, phase transformation increase steady material 5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, foaming
Agent 0.05-0.25%.
In said program, the admixture is one in flyash, silicon ash, slag, blast-furnace cinder, diatomite, volcanic ash
Kind or a variety of
In said program, the super-light aggregate is leca, lytag, haydites of book structure, silt sludge ceramsite, bastard coal
It is one or more in stone haydite, unit weight 300-900kg/m3, simple Compressive Strength >=0.5Mpa.
In said program, the hydrophober is polysiloxanes, one kind in Metallic stearates, redispersible latex powder
It is or a variety of.
In said program, the Metallic stearates are odium stearate, calcium stearate, zinc stearate or magnesium stearate etc..
In said program, the preparation method that the phase transformation increases steady material is:1) butyl stearate and spy are gently gathered materials
Heating stirring is uniform in vacuum kettle, mass ratio 1.8-2.2:1, controlled at 25-35 DEG C;2) in the negative pressure of 0.1-0.5Mpa
Under the conditions of pressurize 5-15min, then continuously decrease temperature in the kettle to -5~5 DEG C, and restore normal pressure;3) it is described by step 1) and 2)
Heating, cooling, restores normal pressure step cycle 3-5 times at decompression;4) special gently aggregate temperature≤10 DEG C after control process, then
Its surface is wrapped with epoxy resin, the phase transformation for being made described increases steady material.
In said program, the spy gently gathers materials for one kind in expanded perlite, glass bead, special light haydite or more
Kind, unit weight 50-300kg/m3。
In said program, the fiber is polypropylene fibre, polyethylene fibre, cyclization, Fypro, glass
It is one or more in glass fiber, vinylon fibre, plant fiber, basalt fibre;The foam stabilizer is cellulose ether, alkyl phenol
It is one or more in ethylene oxide ether, polyvinyl alcohol, polyacrylamide, ethanol amine.
In said program, to realize that wallboard is assembled, at the both ends of foam concrete composite light partition wall batten thickness direction
Tenon and tongue-and-groove are also set respectively.
The preparation method of above-mentioned a kind of foam concrete composite light partition wall batten, which is characterized in that include the following steps:
1) it prepares panel foam concrete and is molded:Each component is weighed according to the following ratio:Cement 30-55%, admixture 10-
40%th, super-light aggregate 5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, hydrophober 0.01-
0.05%th, foaming agent 0.05-0.25%, wherein super-light aggregate make full water 12-24h processing, and when use drains surface water;By water
Mud, admixture, super-light aggregate, hydrophober, fiber add in dry mixing 1-2min in blender, add water mix 2-3min, obtain cement mortar
Expect I, foaming agent and water are pressed 1:The extension rate of (40-80) is diluted, and adds foam stabilizer, is poured into foaming machine and is beaten
Bubble;Be mixed 30-45s by gained foam and cement slurry I to go out machine and carry out panel foam concrete to pour, be conserved in mould
2d;
2) it prepares core foam concrete and pours:Each component is weighed according to the following ratio:Cement 30-55%, admixture 5-
40%th, phase transformation increases steady material 5-20%, fiber 0.01-0.05%, water 20-35%, foam stabilizer 0.01-0.05%, foaming agent
0.05-0.25%;Cement, admixture, phase transformation are increased into steady material, fiber adds in dry mixing 1-2min in blender, addition water mix
2-3min obtains cement slurry II;Foaming agent and water are pressed 1:The extension rate of (40-80) is diluted, and adds foam stabilizer,
Enter foaming machine to get blisters;Gained foam and cement slurry II are carried out 30-45s is mixed and goes out machine and obtains core foam concrete
Slurry;
3) core foam concrete is poured into a mould:Panel foam concrete plate obtained by two pieces of identical steps 1) is set using mold
Defined distance (spacing distance is core foam concrete thickness) is set to, core foam concrete slurry, sealing is then perfused
Blanks and moulding and conserving 5d is demoulded, and after continuing maintenance to 28d, obtains the foam concrete composite light partition wall batten.
The present invention designs composite light partition wall batten using different densities and the bubble concrete layer of functional requirement:
1) traditional calcium silicate board with microporous panel construction is substituted with the foam concrete of higher density, high grade, can saved multiple
The production cost of light partition board is closed, simplifies production process, can also solve the bonding consistency problem between unlike material;It is logical
It crosses and high tenacity staple fiber and full water super-light aggregate is added in panel foam concrete slurry so that inside panel foam concrete
Shear stress is effectively dissipated, and has blocked crack sustainable development, and crack is effectively controlled;Super-light aggregate can play simultaneously
Aggregate increases steady effect, limits foam concrete drying and shrinks, and the panel foam concrete surface quality prepared is excellent, facing
Property is strong;The inside that the hydrophober mixed in panel concrete simultaneously has blocked moisture to enter light composite wallboard, solves wallboard
The shortcomings of hygroscopicity is big;Gained foam concrete panel construction has excellent heat-insulating, fire-preventing, noise reduction sound insulation value, anti-up to A grades
Fiery class requirement.
2) it, to being filled in the middle part of combined wall, is alleviated multiple using compared with low-density, low intensive core foam concrete
The whole surface density of plywood reduces the synthesis cost of composite lightweight wall plate;Meanwhile the phase transformation of admixture increases steady material and plays energy storage
Heat-insulated and structure increases steady double action;Core foam concrete phase change material inside is drawn by the variation of internal and external environment temperature
The suction heat release of phase-change material is played, reduces the thermal conductivity factor of light composite wallboard, improves the heat storage coefficient of light composite wallboard,
It is more conducive to Indoor environment energy-saving heat preserving effect.
Compared with prior art, beneficial effects of the present invention are:
1) traditional calcium silicate board with microporous sandwich cystosepiment is substituted using MULTILAYER COMPOSITE light foam concrete sandwich structure, can effectively subtracted
The use of few calcium silicate board with microporous, reduces the production cost of composite light partition wall batten, simplifies production process;
2) layer foam concrete panel construction in face can play the performances such as effective fire-proof and thermal-insulation, sound-absorbing noise reduction, air every
Volume increases 10-20%, and burning grade reaches A grades of requirements, increases the comfortableness and security of indoor inhabitation;
3) staple fiber introduced in panel foam concrete and full water Superlight ceramsites increase the stable structure of concrete
Property, the development of distress in concrete is limited, efficiently solves the problems such as partition wall batten is easy to crack, contraction is big;
4) moisture that the hydrophober being introduced into panel foam concrete can be obstructed in air environment enters in partition wall batten
The problems such as portion, concrete water absorption rate significantly reduces, can reach≤3% requirement, efficiently solve wallboard hygroscopicity;
5) heat-proof quality of the foam concrete composite light partition wall batten, heat storage performance significantly improve, and thermal conductivity factor≤
0.20W/ (mK), energy-saving benefit increase 5-10%, and indoor energy-saving heat preservation remarkable benefit increases, while also improves relaxing for inhabitation
Adaptive.
Description of the drawings
Fig. 1 is the structure diagram 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 be core foam concrete.
Specific embodiment
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention is not
It is limited only to the following examples.
Unless specific instructions, the reagent used is commercially available chemical reagent or industrial products to following embodiment.
In following embodiment, the cement is 42.5 cement of hero's board PO;Admixture is flyash, silicon ash 3:1 mixing and
Into;Super-light aggregate be silt sludge ceramsite, unit weight 525kg/m3, simple Compressive Strength 2.0Mpa;Hydrophober is by odium stearate and can divide again
It dissipates property latex powder and presses 4:1 mass ratio mixes;Fiber is polypropylene fibre;Foam stabilizer is cellulose ether;Foaming agent is deep
Extra large SH-1261 foam concrete cement special foaming agent.
The preparation method that the phase transformation increases steady material is:1) butyl stearate and spy are gently gathered materials and is heated in vacuum kettle
It stirs evenly, mass ratio 2:1, controlled at 30 DEG C;2) then the pressurize 5min under the condition of negative pressure of 0.2Mpa gradually drops
Low temperature in the kettle restores normal pressure to 0 DEG C;3) it so heats up, decompression, cooling, restore normal pressure, recycle 3 times;4) after control process
Special gently aggregate temperature≤10 DEG C, wrap its surface with epoxy resin, and the phase transformation is made and increases steady material.
The spy gently gathers materials for expanded perlite, unit weight 100kg/m3。
In following embodiment, the preparation method of the foam concrete composite light partition wall batten includes the following steps:
1) panel foam concrete is prepared:The mass percent as shared by panel foam concrete each component weighs each raw material,
Wherein super-light aggregate is made full water and is handled for 24 hours, and when use drains surface water;By cement, admixture, super-light aggregate, hydrophober, fiber
Dry mixing 1min in blender is added in, adds water mix 3min, obtains cement slurry I, by foaming agent and water (the additional addition needed for foaming
Water) by 1:50 extension rate is diluted, and adds foam stabilizer, is poured into foaming machine and is got blisters;By gained foam with
Cement slurry I be mixed 40s and goes out machine and carry out panel foam concrete to pour, and carry out maintenance 2d in mould;
2) core foam concrete slurry is prepared:The mass percent as shared by core foam concrete each component weighs each original
Cement, admixture, phase transformation are increased dry mixing 1min in steady material, fiber addition blender, add in water mix 3min, obtain cement by material
Slurry II;By foaming agent and water (water additionally added in needed for foaming) by 1:50 extension rate is diluted, and is added steady
Infusion pours into foaming machine and gets blisters;Gained foam and cement slurry II are carried out 30s is mixed and goes out machine and obtains core foam concrete
Slurry;
3) core foam concrete is poured into a mould:Using special die by panel foam concrete obtained by two pieces of identical steps 1)
Plate is arranged to defined distance, and core foam concrete is perfused, and the 5d demouldings of sealing blanks and moulding and conserving carry out after continuing maintenance to 28d
Cutting, polishing, obtain the foam concrete composite light partition wall batten.
Embodiment 1
A kind of foam concrete composite light partition wall batten, it is by 2 structure of panel foam concrete 1 and core foam concrete
Into (see Fig. 1), wherein panel foam concrete 1 is symmetricly set on 2 left and right sides of core foam concrete, panel foam concrete
1 and the thickness of core foam concrete 2 be 3cm.
Mass percent shared by each component is in the panel foam concrete:Cement 47%, admixture 18%, ultralight collection
Material 8.83%, water 26%, fiber 0.03%, foam stabilizer 0.02%, hydrophober 0.02%, foaming agent 0.10%;Core foam mixes
Mass percent shared by each component is in solidifying soil:Cement 35%, admixture 27%, phase transformation increase steady material 10.82%, water 27%,
Fiber 0.01%, foam stabilizer 0.02%, foaming agent 0.15%.
Panel foam concrete and core foam concrete slurry are prepared according to the above method, and carries out foam concrete and answers
Close the pouring molding of light partition board.Foundation《Roof heat insulation is heat-insulated to use foam concrete》(JC/T 2125-2012) is right respectively
The performances such as the unit weight of panel foam concrete plate and core foam concrete, compression strength, water absorption rate, thermal conductivity factor are surveyed
Examination, the results are shown in Table 1.Foundation《Light partition board for building》(GB/T 2451-2009) is to foam concrete obtained by the present embodiment
Composite light partition wall batten carries out performance detection, the results are shown in Table 2.
The performance test results of 1 embodiment of table, 1 gained panel foam concrete plate and core foam concrete
The performance test results of 2 embodiment of table, 1 gained foam concrete composite light partition wall batten
It can be seen that by table 1, table 2:The foam concrete composite light partition wall prepared using coextruded mulilayer foam concrete
Batten performance is up to state standards requirement, and the more conventional calcium silicate board with microporous sandwich batten of thermal conductivity factor is lower, and heat storage capacity significantly rises,
Compression strength, shock resistance and bending resistance are above standard defined requirement, and the foam concrete composite light every
Wall strip sound insulation, fire protecting performance are excellent.
Embodiment 2
A kind of foam concrete composite light partition wall batten, it is by panel foam concrete and core foam concrete structure
Into wherein panel foam concrete is symmetricly set at left and right sides of core foam concrete, panel foam concrete and core bubble
The thickness of foam concrete is 4cm.The match ratio of panel foam concrete and core foam concrete carries out as described in embodiment 1
The cast of concrete mixing and foam concrete composite light partition wall batten.
Foundation《Roof heat insulation is heat-insulated to use foam concrete》(JC/T 2125-2012) is respectively to panel foam concrete plate
The performances such as unit weight, compression strength, water absorption rate, thermal conductivity factor with core foam concrete are tested, and the results are shown in Table 3.Foundation
《Light partition board for building》(GB/T 2451-2009) is to foam concrete composite light partition wall batten obtained by the present embodiment
Performance detection is carried out, the results are shown in Table 4.
The performance test results of 3 embodiment of table, 2 gained panel foam concrete plate and core foam concrete
The performance test results of 4 embodiment of table, 2 gained foam concrete composite light partition wall batten
It can be seen that by data in table 3, table 4:The foam concrete composite light-weight prepared using coextruded mulilayer foam concrete
Matter partition wall batten performance is up to state standards requirement, and the appropriate thickness for increasing partition wall batten is increased slightly its thermal conductivity factor, resists
Compressive Strength, shock resistance and bending resistance are above standard defined requirement, and the foam concrete composite light partition wall
Batten sound insulation, fire protecting performance are excellent.
Embodiment 3
A kind of foam concrete composite light partition wall batten, it is by panel foam concrete and core foam concrete structure
Into wherein panel foam concrete is symmetricly set at left and right sides of core foam concrete, panel foam concrete and core bubble
The thickness of foam concrete is 4cm.
Mass percent shared by each component is in the panel foam concrete:Cement 55%, admixture 10%, ultralight collection
Material 5.76%, water 29%, fiber 0.04%, foam stabilizer 0.02%, hydrophober 0.03%, foaming agent 0.15%.Core foam mixes
Mass percent shared by each component is in solidifying soil:Cement 45%, admixture 15%, phase transformation increase steady material 8.81%, water 31%, fibre
Dimension 0.02%, foam stabilizer 0.02%, foaming agent 0.15%.
Panel foam concrete and core foam concrete slurry are prepared according to the above method, and carries out foam concrete and answers
Close the pouring molding of light partition board.Foundation《Roof heat insulation is heat-insulated to use foam concrete》(JC/T 2125-2012) is right respectively
The performances such as the unit weight of panel foam concrete plate and core foam concrete, compression strength, water absorption rate, thermal conductivity factor are surveyed
Examination, the results are shown in Table 5.Foundation《Light partition board for building》(GB/T 2451-2009) is to foam concrete obtained by the present embodiment
Composite light partition wall batten carries out performance detection, the results are shown in Table 6.
The performance test results of 5 embodiment of table, 3 gained panel foam concrete plate and core foam concrete
The performance test results of 6 embodiment of table, 3 gained foam concrete composite light partition wall batten
Embodiment 4
A kind of foam concrete composite light partition wall batten, it is by panel foam concrete and core foam concrete structure
Into wherein panel foam concrete is arranged at left and right sides of core foam concrete, the thickness 4cm of panel foam concrete, core
The thickness of body foam concrete is 7cm.As described in embodiment the match ratio of panel foam concrete and core foam concrete into
The cast of row concrete mixing and foam concrete composite light partition wall batten.
Foundation《Roof heat insulation is heat-insulated to use foam concrete》(JC/T 2125-2012) is respectively to panel foam concrete plate
The performances such as unit weight, compression strength, water absorption rate, heat conduction heat storage coefficient with core foam concrete are tested, and the results are shown in Table 7.
Foundation《Light partition board for building》(GB/T 2451-2009) is to foam concrete composite light partition wall obtained by the present embodiment
Batten carries out performance detection, the results are shown in Table 8.
The performance test results of 7 embodiment of table, 4 gained panel foam concrete plate and core foam concrete
The performance test results of 8 embodiment of table, 4 gained foam concrete composite light partition wall batten
Embodiment 5
A kind of foam concrete composite light partition wall batten, it is by panel foam concrete and core foam concrete structure
Into wherein panel foam concrete is symmetricly set at left and right sides of core foam concrete, panel foam concrete and core bubble
The thickness of foam concrete is 3cm.
Mass percent shared by each component is in the panel foam concrete:Cement 35%, admixture 33%, ultralight collection
Material 7.76%, water 24%, fiber 0.05%, foam stabilizer 0.04%, hydrophober 0.03%, foaming agent 0.12%;Core foam mixes
Mass percent shared by solidifying soil each component is:Cement 40%, admixture 25%, phase transformation increase steady material 8.74%, water 26%, fiber
0.03%th, foam stabilizer 0.03%, foaming agent 0.20%.
Panel foam concrete and core foam concrete slurry are prepared according to the above method, and carries out foam concrete and answers
Close the pouring molding of light partition board.Foundation《Roof heat insulation is heat-insulated to use foam concrete》(JC/T 2125-2012) is right respectively
The performances such as the unit weight of panel foam concrete plate and core foam concrete, compression strength, water absorption rate, heat conduction heat storage coefficient carry out
Test, the results are shown in Table 9.Foundation《Light partition board for building》(GB/T 2451-2009) is to foam coagulation obtained by the present embodiment
Native composite light partition wall batten carries out performance detection, the results are shown in Table 10.
The performance test results of 9 embodiment of table, 5 gained panel foam concrete plate and core foam concrete
The performance test results of 10 embodiment of table, 5 gained foam concrete composite light partition wall batten
It can be seen that according to data in table 5, table 6, table 7, table 8, table 9, table 10:It is prepared using coextruded mulilayer foam concrete
Foam concrete composite light partition wall batten, performance is up to state standards requirement, the more conventional calcium silicate board with microporous sandwich of thermal conductivity factor
Batten is lower, and heat storage capacity significantly rises, and compression strength, shock resistance and bending resistance are above standard defined requirement,
And with excellent sound insulation and fire protecting performance.
In conclusion foam concrete composite light partition wall batten of the present invention has waterproof and dampproof, insulation, prevents
The excellent properties such as fire screen sound and phase-change accumulation energy, meet property indices as defined in standard, are conducive to replace calcium silicate board with microporous in reality
It is applied in engineering.
The foregoing is merely the preferred embodiment of the present invention, it is noted that those of ordinary skill in the art are come
It says, without departing from the concept of the premise of the invention, makes several modifications and variations, these belong to the protection model of the present invention
It encloses.