CN107010992A - A kind of concrete aerated brick of energy antibacterial and mouldproof and preparation method thereof - Google Patents
A kind of concrete aerated brick of energy antibacterial and mouldproof and preparation method thereof Download PDFInfo
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- CN107010992A CN107010992A CN201710356844.3A CN201710356844A CN107010992A CN 107010992 A CN107010992 A CN 107010992A CN 201710356844 A CN201710356844 A CN 201710356844A CN 107010992 A CN107010992 A CN 107010992A
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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
- C04B28/14—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 calcium sulfate cements
-
- 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
- C04B2111/2092—Resistance against biological degradation
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A kind of concrete aerated brick of energy antibacterial and mouldproof, it is characterised in that it is prepared from by the raw material of following parts by weight：200 parts of flyash, 40 50 parts of talcum, 50 60 parts of river sand, 20 25 parts of gypsum, 20 30 parts of neopentyl glycol, 20 30 parts of phthalic anhydride, 80 100 parts of toluene, 12 parts of p-methyl benzenesulfonic acid, 68 parts of calcium carbide, 20 30 parts of phosphoric acid, 68 parts of sodium lignin sulfonate, 25 30 parts of Palygorskite, 35 parts of sodium citrate, 15 20 parts of aluminum oxide, 56 parts of tetraisopropyl titanate, 23 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 23 parts of chlorhexidine, 0.8 1 parts of tea tree ethereal oil, 68 parts of magnesium stearate, 56 parts of barium stearate, appropriate water.The concrete aerated brick of energy antibacterial and mouldproof prepared by the present invention have it is good be incubated, heat-insulated, sound insulation, antidetonation, resistance to comprehensive technical performance of waiting so long.
Description
Technical field
The invention belongs to building material field, and in particular to a kind of concrete aerated brick of energy antibacterial and mouldproof and its preparation side
Method.
Background technology
Concrete aerated brick has special pore structure, containing substantial amounts of air, thus with good heat preservation and insulation,
In addition, also give up, save with light weight, sound absorption sound insulation, profit, fire protecting performance is good, can follow closely, can saw, can dig and with certain
The advantages of shock resistance, therefore be widely used in the exterior wall enclosure of building and inside and outside wall thermal insulation.At present, prior art system
The anti-permeability performance and decay resistance of standby concrete aerated brick be universal high, in impact for a long time by water or severe corrosive
Easily ftractureed under environment, or even the phenomenon of fracture and avalanche occur, there is great potential safety hazard.
Author Chen Youzhi et al. exists《Containing the siliceous aggregate chips of mud-lime Aerated Concrete experimental study》In one text, difference is utilized
The siliceous aggregate chips of clay content carries out hydrothermal synthesis reaction B05, B06 grades of aeratings of preparation as siliceous material and lime calcareous material and mixed
Solidifying soil, although the air entrained concrete compression strength that this method is obtained increases, anti-permeability performance and decay resistance are still
It is not high.
The content of the invention
It is an object of the invention to provide a kind of concrete aerated brick of energy antibacterial and mouldproof and preparation method thereof.
To achieve these goals, the present invention is adopted the following technical scheme that：
It is a kind of can antibacterial and mouldproof energy antibacterial and mouldproof concrete aerated brick, it is characterised in that its by following parts by weight raw material
It is prepared from：200 parts of flyash, 40-50 parts of talcum, 50-60 parts of river sand, 20-25 parts of gypsum, 20-30 parts of neopentyl glycol, adjacent benzene
20-30 parts of dicarboxylic acid anhydride, 80-100 parts of toluene, 1-2 parts of p-methyl benzenesulfonic acid, 6-8 parts of calcium carbide, 20-30 parts of phosphoric acid, sulfomethylated lignin
Sour sodium 6-8 parts, 25-30 parts of Palygorskite, 3-5 parts of sodium citrate, 15-20 parts of aluminum oxide, 5-6 parts of tetraisopropyl titanate, fat
2-3 parts of alcohol polyethenoxy ether sodium sulfate, 2-3 parts of chlorhexidine, 0.8-1 parts of tea tree ethereal oil, 6-8 parts of magnesium stearate, barium stearate 5-6
Part, appropriate water.
The concrete aerated brick of described energy antibacterial and mouldproof, it is characterised in that it is prepared from by following steps：
（1）Flyash, talcum, river sand and gypsum are put into ball milling 20-30min in ball mill, sieving obtains 80-100 purposes
Grain, it is stand-by in 50-60 DEG C of drying in oven；
（2）Neopentyl glycol, phthalic anhydride and toluene are added in the reaction vessel with stirring and rectifier unit, stirring
P-methyl benzenesulfonic acid is added after uniform, continues to stir 20-30min, is warming up to 200-210 DEG C, continue stirring reaction 4-5h, rectifying
Water byproduct is removed, the calcium carbide ground in advance is added, stirs to being uniformly dispersed, adds phosphoric acid and sodium lignin sulfonate, is risen
Temperature continues stirring reaction 6-8h to 240-250 DEG C, and reaction is poured slowly into water of 5-6 times equivalent to toluene by weight part after terminating
In, 20-30min is stirred, 20-24h is stood, filtering, filter cake appropriate water washing 2-3 times, 50-60 DEG C is dried in vacuo 20-
24h, it is stand-by；
（3）Palygorskite is first ground into screening and obtains the particle of 80-100 mesh, is added to equivalent to 2-3 times of Palygorskite parts by weight
Water in, be mixed evenly, sequentially add sodium citrate and aluminum oxide, stir, add tetraisopropyl titanate and
Sodium sulfate of polyethenoxy ether of fatty alcohol, 40-50min is stirred with 600-800rpm stir speed (S.S.), is warming up to 60-65 DEG C, continuation
60-80min is stirred, after after natural cooling, chlorhexidine and tea tree ethereal oil is added, continues to stir 20-30min, it is standby；
（4）By step（1）Product be added in mixer, add 50-60 DEG C of 1-2 times equivalent to flyash parts by weight
Water, 5-6min is mixed with 2800-3000r/min stir speed (S.S.), adds magnesium stearate and barium stearate continues to stir 3-
4min, adds step（2）Product, step（3）Product and water of 0.8-1 times equivalent to calcium carbide parts by weight, be passed through steam simultaneously
Continue to stir 1-2min, obtain pouring material；
（5）Pouring material is poured into mould rapidly, be put into temperature be 35-40 DEG C, humidity be in 95-98RH% climatic chamber,
10-12h is conserved, excision is higher by after the dilation of mould, cuts into Pork-pieces adobe, then will be fed into still kettle, is led to and is steamed
Under vapour, 1.2-1.5MPa steam-cured pressure condition, 170-180 DEG C is warming up to 5-6 DEG C/min heating rate, constant temperature steam pressure is supported
6-8h is protected, then room temperature is cooled to 5-6 DEG C/min rate of temperature fall, the concrete aerated brick of energy antibacterial and mouldproof is obtained.
The concrete aerated brick of described energy antibacterial and mouldproof, it is characterised in that the concentration of described phosphoric acid is 5-6mol/L.
Above-mentioned technical proposal is used, the method have the advantages that：
Present invention addition flyash replaces cement, not only reduces water consumption, strengthens the pumpability of concrete, reduce concrete
Creep, reduce the heat of hydration, heat energy dilatancy, improve concrete aerated brick impermeability；And the present invention utilizes flyash fixed
Body industrial waste produces air entrained concrete, meets country and saves the energy, the state basic policy of Resource Recycling Utilization, is solid waste building materials
Change, the effective way of comprehensive utilization of resources, added value of product are high, with good environment benefits and economic gains；The present invention is with electricity
Stone and the sour sodium of spongiosa replace aluminium powder as air-entrainment, alleviate the problem in short supply of aluminum, save cost；But calcium carbide reacts with water
Speed it is too fast, it is difficult to adapt to technological requirement, in order to reduce the gas forming rate of calcium carbide, in its strata ester of in situ Polymerization one,
In calcium carbide particle surface one layer of water-repellent layer of formation, the contact of water is blocked, water is penetrated slowly into calcium carbide, with making gas slowly
Discharge, to adapt to technological requirement.The present invention appropriate addition chlorhexidine and tea tree ethereal oil, both act synergistically, enhancing
The antibacterial of concrete aerated brick, sterilization, mould proof function；Concrete aerated brick prepared by the present invention have good insulation,
Heat-insulated, sound insulation, antidetonation, resistance to comprehensive technical performance of waiting so long.
Embodiment
The concrete aerated brick of the energy antibacterial and mouldproof of the energy antibacterial and mouldproof of the present embodiment, its by following parts by weight raw material system
It is standby to form：200 parts of flyash, 50 parts of talcum, 60 parts of river sand, 25 parts of gypsum, 30 parts of neopentyl glycol, 30 parts of phthalic anhydride,
100 parts of toluene, 2 parts of p-methyl benzenesulfonic acid, 8 parts of calcium carbide, 30 parts of phosphoric acid, 8 parts of sodium lignin sulfonate, 30 parts of Palygorskite, lemon
Sour 5 parts of sodium, 20 parts of aluminum oxide, 6 parts of tetraisopropyl titanate, 3 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 3 parts of chlorhexidine, tea tree essence
1 part of oil, 8 parts of magnesium stearate, 6 parts of barium stearate, appropriate water.
The concrete aerated brick of the energy antibacterial and mouldproof of the present embodiment, it is prepared from by following steps：
（1）Flyash, talcum, river sand and gypsum are put into ball milling 30min in ball mill, sieving obtains the particle of 100 mesh, 60
DEG C drying in oven is stand-by；
（2）Neopentyl glycol, phthalic anhydride and toluene are added in the reaction vessel with stirring and rectifier unit, stirring
P-methyl benzenesulfonic acid is added after uniform, continues to stir 30min, is warming up to 210 DEG C, continues stirring reaction 5h, rectifying removes by-product
Thing water, adds the calcium carbide ground in advance, stirs to being uniformly dispersed, adds phosphoric acid and sodium lignin sulfonate, be warming up to 250
DEG C, continue stirring reaction 8h, reaction is poured slowly into after terminating in water of 6 times equivalent to toluene by weight part, stirs 30min, quiet
24h is put, is filtered, filter cake appropriate water washing 3 times, 60 DEG C are dried in vacuo 24h, stand-by；
（3）Palygorskite is first ground into the particle that screening obtains 100 mesh, water of 3 times equivalent to Palygorskite parts by weight is added to
In, it is mixed evenly, sequentially adds sodium citrate and aluminum oxide, stir, adds tetraisopropyl titanate and fat
Alcohol polyethenoxy ether sodium sulfate, 40-50min is stirred with 800rpm stir speed (S.S.), is warming up to 65 DEG C, is continued to stir 80min, is treated
After natural cooling, chlorhexidine and tea tree ethereal oil are added, continues to stir 30min, it is standby；
（4）By step（1）Product be added in mixer, add 60 DEG C of water of 2 times equivalent to flyash parts by weight, with
3000r/min stir speed (S.S.) mixes 6min, adds magnesium stearate and barium stearate continues to stir 4min, add step
（2）Product, step（3）Product and water of 1 times equivalent to calcium carbide parts by weight, be passed through steam and continue stir 2min, poured
Build material；
（5）Pouring material is poured into mould rapidly, be put into temperature be 40 DEG C, humidity be maintenance in 98RH% climatic chamber
12h, excision is higher by after the dilation of mould, cuts into Pork-pieces adobe, then will be fed into still kettle, leads to steam,
Under 1.5MPa steam-cured pressure condition, 180 DEG C are warming up to 6 DEG C/min heating rate, constant temperature steam press maintenance 8h, then with 6 DEG C/
Min rate of temperature fall is cooled to room temperature, obtains the concrete aerated brick of energy antibacterial and mouldproof.
After tested, compression strength >=25MPa of the concrete aerated brick of the present embodiment, tensile splitting strength >=5MPa, ooze
Water pressure >=1.5MPa.
Claims (3)
1. it is a kind of can antibacterial and mouldproof energy antibacterial and mouldproof concrete aerated brick, it is characterised in that its by following parts by weight original
Material is prepared from：200 parts of flyash, 40-50 parts of talcum, 50-60 parts of river sand, 20-25 parts of gypsum, 20-30 parts of neopentyl glycol, neighbour
20-30 parts of phthalate anhydride, 80-100 parts of toluene, 1-2 parts of p-methyl benzenesulfonic acid, 6-8 parts of calcium carbide, 20-30 parts of phosphoric acid, lignin
6-8 parts of sodium sulfonate, 25-30 parts of Palygorskite, 3-5 parts of sodium citrate, 15-20 parts of aluminum oxide, 5-6 parts of tetraisopropyl titanate, fat
2-3 parts of fat alcohol polyethenoxy ether sodium sulfate, 2-3 parts of chlorhexidine, 0.8-1 parts of tea tree ethereal oil, 6-8 parts of magnesium stearate, barium stearate
5-6 parts, appropriate water.
2. the concrete aerated brick of the energy antibacterial and mouldproof according to claims 1, it is characterised in that it is by following steps system
It is standby to form：
（1）Flyash, talcum, river sand and gypsum are put into ball milling 20-30min in ball mill, sieving obtains 80-100 purposes
Grain, it is stand-by in 50-60 DEG C of drying in oven；
（2）Neopentyl glycol, phthalic anhydride and toluene are added in the reaction vessel with stirring and rectifier unit, stirring
P-methyl benzenesulfonic acid is added after uniform, continues to stir 20-30min, is warming up to 200-210 DEG C, continue stirring reaction 4-5h, rectifying
Water byproduct is removed, the calcium carbide ground in advance is added, stirs to being uniformly dispersed, adds phosphoric acid and sodium lignin sulfonate, is risen
Temperature continues stirring reaction 6-8h to 240-250 DEG C, and reaction is poured slowly into water of 5-6 times equivalent to toluene by weight part after terminating
In, 20-30min is stirred, 20-24h is stood, filtering, filter cake appropriate water washing 2-3 times, 50-60 DEG C is dried in vacuo 20-
24h, it is stand-by；
（3）Palygorskite is first ground into screening and obtains the particle of 80-100 mesh, is added to equivalent to 2-3 times of Palygorskite parts by weight
Water in, be mixed evenly, sequentially add sodium citrate and aluminum oxide, stir, add tetraisopropyl titanate and
Sodium sulfate of polyethenoxy ether of fatty alcohol, 40-50min is stirred with 600-800rpm stir speed (S.S.), is warming up to 60-65 DEG C, continuation
60-80min is stirred, after after natural cooling, chlorhexidine and tea tree ethereal oil is added, continues to stir 20-30min, it is standby；
（4）By step（1）Product be added in mixer, add 50-60 DEG C of 1-2 times equivalent to flyash parts by weight
Water, 5-6min is mixed with 2800-3000r/min stir speed (S.S.), adds magnesium stearate and barium stearate continues to stir 3-
4min, adds step（2）Product, step（3）Product and water of 0.8-1 times equivalent to calcium carbide parts by weight, be passed through steam simultaneously
Continue to stir 1-2min, obtain pouring material；
（5）Pouring material is poured into mould rapidly, be put into temperature be 35-40 DEG C, humidity be in 95-98RH% climatic chamber,
10-12h is conserved, excision is higher by after the dilation of mould, cuts into Pork-pieces adobe, then will be fed into still kettle, is led to and is steamed
Under vapour, 1.2-1.5MPa steam-cured pressure condition, 170-180 DEG C is warming up to 5-6 DEG C/min heating rate, constant temperature steam pressure is supported
6-8h is protected, then room temperature is cooled to 5-6 DEG C/min rate of temperature fall, the concrete aerated brick of energy antibacterial and mouldproof is obtained.
3. the concrete aerated brick of the energy antibacterial and mouldproof according to claims 1,2, it is characterised in that described phosphoric acid
Concentration is 5-6mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710356844.3A CN107010992A (en) | 2017-05-16 | 2017-05-16 | A kind of concrete aerated brick of energy antibacterial and mouldproof and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710356844.3A CN107010992A (en) | 2017-05-16 | 2017-05-16 | A kind of concrete aerated brick of energy antibacterial and mouldproof and preparation method thereof |
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| CN107010992A true CN107010992A (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710356844.3A Pending CN107010992A (en) | 2017-05-16 | 2017-05-16 | A kind of concrete aerated brick of energy antibacterial and mouldproof and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107963911A (en) * | 2017-12-14 | 2018-04-27 | 吴海 | A kind of concrete aerated brick of high reflecting heat insulation and preparation method thereof |
-
2017
- 2017-05-16 CN CN201710356844.3A patent/CN107010992A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107963911A (en) * | 2017-12-14 | 2018-04-27 | 吴海 | A kind of concrete aerated brick of high reflecting heat insulation and preparation method thereof |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170804 |
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| WD01 | Invention patent application deemed withdrawn after publication |