CN105645995A - Preparation method of high-strength cement foaming insulation board - Google Patents
Preparation method of high-strength cement foaming insulation board Download PDFInfo
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- CN105645995A CN105645995A CN201610030815.3A CN201610030815A CN105645995A CN 105645995 A CN105645995 A CN 105645995A CN 201610030815 A CN201610030815 A CN 201610030815A CN 105645995 A CN105645995 A CN 105645995A
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- insulation board
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- 238000009413 insulation Methods 0.000 title claims abstract description 27
- 239000004568 cement Substances 0.000 title claims abstract description 24
- 238000005187 foaming Methods 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 241000609240 Ambelania acida Species 0.000 claims abstract description 57
- 239000010905 bagasse Substances 0.000 claims abstract description 57
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 18
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 18
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 15
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 9
- 239000011398 Portland cement Substances 0.000 claims abstract description 8
- 239000011490 mineral wool Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000004088 foaming agent Substances 0.000 claims abstract description 5
- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 claims description 36
- 239000002071 nanotube Substances 0.000 claims description 36
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 31
- 229910052621 halloysite Inorganic materials 0.000 claims description 27
- 239000000243 solution Substances 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 20
- 239000008187 granular material Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 238000010025 steaming Methods 0.000 claims description 20
- 238000010792 warming Methods 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000011259 mixed solution Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 10
- 230000001476 alcoholic effect Effects 0.000 claims description 10
- 229920002678 cellulose Polymers 0.000 claims description 10
- 239000000470 constituent Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- 235000021355 Stearic acid Nutrition 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 8
- 239000008117 stearic acid Substances 0.000 claims description 8
- 239000010881 fly ash Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000009825 accumulation Methods 0.000 claims description 6
- JHJUUEHSAZXEEO-UHFFFAOYSA-M sodium;4-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C=C1 JHJUUEHSAZXEEO-UHFFFAOYSA-M 0.000 claims description 6
- 239000001913 cellulose Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000000536 complexating effect Effects 0.000 claims description 5
- 230000009514 concussion Effects 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 5
- UGTZMIPZNRIWHX-UHFFFAOYSA-K sodium trimetaphosphate Chemical compound [Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 UGTZMIPZNRIWHX-UHFFFAOYSA-K 0.000 claims description 5
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 claims description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000004513 sizing Methods 0.000 abstract 2
- 239000011324 bead Substances 0.000 abstract 1
- 239000010883 coal ash Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 abstract 1
- 238000005338 heat storage Methods 0.000 abstract 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 235000019580 granularity Nutrition 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- IQXJCCZJOIKIAD-UHFFFAOYSA-N 1-(2-methoxyethoxy)hexadecane Chemical compound CCCCCCCCCCCCCCCCOCCOC IQXJCCZJOIKIAD-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920001214 Polysorbate 60 Polymers 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229950009789 cetomacrogol 1000 Drugs 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229940008099 dimethicone Drugs 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/46—Rock wool ; Ceramic or silicate fibres
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/248—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork from specific plants, e.g. hemp fibres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Botany (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the field of preparation of insulation boards, and discloses a preparation method of a high-strength cement foaming insulation board. The preparation method comprises the steps that A, 100 parts of Portland cement, 40-50 parts of coal ash, 15-25 parts of organic and inorganic composite heat storage particles, 5-15 parts of hollow glass beads, 4-6 parts of bagasse fiber and 3-5 parts of mineral wool fiber are mixed to be uniform to form a solid component; B, 3-5 parts of carboxymethyl cellulose, 5-10 parts of a foaming agent and 1-3 parts of sodium dodecyl benzene sulfonate are added into 40 parts of water to be stirred to be uniform to obtain a liquid component; C, the solid component and the liquid component are mixed, heated and stirred to form a sizing agent for pouring; D, the sizing agent for pouring is poured into a mold, and finally the finished product is obtained through forming solidification, demolding, maintenance and drying. The insulation board prepared through the preparation method is light in mass, low in heat conductive coefficient, good in insulation effect and high in strength.
Description
Technical field
The present invention relates to warming plate preparation field, the preparation method particularly relating to a kind of high strength cement foaming insulation board.
Background technology
Cement foaming insulation board is the warming plate being prepared from for main raw material(s) with foam cement, cement during traditional cement foaming insulation board, add hydrogen peroxide, hard calcium, flyash and cement blowing agent mixed foaming and form, its heat conductivity is relatively low, there is good heat insulation effect, be desirable wall heat insulation material.
Authorization Notice No. is CN103449834B, the Chinese invention patent authorizing day to be 2015.07.01 discloses a kind of blister foaming insulation board and preparation method thereof, this warming plate is made up of the raw material of following weight parts: Portland cement 90-100, flyash 70-80, nano-bentonite 10-20, nano silicon 3-5, emulsified wax 5-7, styrene-acrylic emulsion 6-8, benzenesulfonic acid 2-3, aluminium oxide 1-2, cetomacrogol 1000 6-8, polypropylene fibre 2-3, polyoxyethylenated alcohol sodium sulfate 2-3, used oil 1-2, , Tween-60 0.2-0.3, dodecylbenzene sodium sulfonate 2-3, Dodecyl trimethyl ammonium chloride 1-2, dimethicone 0.3-0.4, sodium peroxydisulfate 0.1-0.3, water is appropriate. the warming plate of this invention has the feature such as light weight, heat-insulation and heat-preservation, it is adaptable to building exterior wall heat preserving.
But the warming plate of foregoing invention is the same with traditional cement foaming insulation board, owing to there is substantial amounts of hole inside warming plate, cause that the intensity of warming plate is relatively low, and frangible.
Summary of the invention
In order to solve above-mentioned technical problem, the preparation method that the invention provides a kind of high strength cement foaming insulation board. Warming plate light weight prepared by the inventive method, heat conductivity is low, high insulating effect, and intensity is high.
The concrete technical scheme of the present invention is: the preparation method of a kind of high strength cement foaming insulation board, sequentially includes the following steps:
A) weigh 100 parts of portland cements, 40-50 part flyash, 15-25 part organo-mineral complexing heat accumulation granule, 5-15 part hollow glass micropearl, 4-6 part bagasse fibre and 3-5 part mineral wool fiber, respectively and above-mentioned each raw material stirring is uniform, prepare solid constituent.
B), 3-5 part carboxymethyl cellulose, 5-10 part foaming agent, 1-3 part dodecylbenzene sodium sulfonate added in 40 parts of water and stir, preparing liquid component.
C), by above-mentioned prepared solid constituent with liquid component mixes and carries out heated and stirred, cast slurry is prepared; Wherein heating-up temperature is 50-70 DEG C, and the heated and stirred time is 40-60min.
D), above-mentioned prepared cast slurry is poured in mould, eventually passes forming and hardening, the demoulding, maintenance, after drying prepared finished product.
The inventive method is compounded with bagasse fibre and mineral wool fiber in warming plate, it is possible to significantly strengthen the intensity of warming plate, especially bagasse fibre, there is outstanding tensile strength, and better with the compatibility of portland cement so that cement foaming insulation board intensity is high, not easily broken. Hollow glass micropearl has micro-air bag of hollow, not only light weight, economizes in raw materials, and can play effect of heat insulation. And the effect of organo-mineral complexing heat accumulation granule is able to carry out heat accumulation, during external temperature height, it is possible to heat is stored, the heat of storage can be distributed again when external temperature is low.
Described organo-mineral complexing heat accumulation granule is for being loaded with stearic halloysite nanotubes granule, and the number of above-mentioned each material is parts by weight.
Wherein, described it be loaded with stearic halloysite nanotubes granule and be prepared from by following methods: after 50 parts of ��-(methacryloxypropyl) propyl trimethoxy silicane and 50 parts of ethanol mix homogeneously, obtain mixed solution, 30-40 part halloysite nanotubes added in described mixed solution and mixed solution is carried out ultrasonic wave concussion, after 1-2h, modifiying halloysite nanotubes through filtration, dry obtaining; Suspension is obtained after being mixed homogeneously with 200-300 part ethanol by modified halloysite nanotubes again; Then 15-25 part stearic acid is added in suspension stirring and heats to 80-85 DEG C with the programming rate of 25 DEG C/h, until after ethanol evaporates completely, preparing and be loaded with stearic halloysite nanotubes granule.
Halloysite nanotubes is a kind of inorganic Ore, and the tubular structure in hollow has the specific surface area of super large, excellent adsorption, therefore, it is possible to serve as carrier. Stearic acid has good thermal storage performance, relatively low heat conductivity, it is possible to realizes the absorption of heat by phase transformation and distributes. But stearic acid phase transformation has certain mobility, and it is poor with the compatibility of halloysite nanotubes, and the water proofing property of halloysite nanotubes is also poor, the present invention is by after being modified halloysite nanotubes, increase it to the stearic compatibility and water proofing property, so that stearic acid can be supported smoothly and in large quantities, and improve load stability.
Preferably, the granularity of described halloysite nanotubes is 300-400 order.
Preferably, the particle diameter of described hollow glass micropearl is 10-50 micron.
Preferably, described bagasse fibre is prepared from by following methods: bagasse shreds and chooses the bagasse fibre that length is not more than 0.2mm at 3-5mm, diameter, the bagasse fibre dried 4-6h in the baking oven of 80-120 DEG C that will choose.
Bagasse is recycled, prepares bagasse fibre, environmental protection.
Preferably, described carboxymethyl cellulose is prepared from by following methods: added to by the bagasse of remaining chopping in the sulfuric acid solution that concentration is 1-3wt% and steaming and decocting 30-40min at 90-100 DEG C, being cleaned by bagasse after steaming and decocting, wherein bagasse is 3-5g/100mL with the solid-to-liquid ratio of sulfuric acid solution; Again by bagasse in the potassium hydroxide solution that concentration is 6-8wt% at 90-100 DEG C steaming and decocting 20-30min, prepare Bagasse-cellulose through cleaning after steaming and decocting, wherein the solid-to-liquid ratio of bagasse and potassium hydroxide solution is 2-4g/100mL;10-12 part sodium hydroxide, 10 parts of Bagasse-celluloses, 0.5-1 part sodium trimetaphosphate are successively added in the alcoholic solution that 300 parts of concentration is 60-70wt%, react 3-4h at normal temperatures; Then in alcoholic solution, add 2-4 part monoxone again, be warming up to 80 DEG C and continue reaction 2-4h; Through filtering, clean, dry prepared carboxymethyl cellulose after reactant liquor is finally adjusted to neutrality, the number of above-mentioned each material is parts by weight.
Residue bagasse after prepared bagasse fibre is recycled further, prepare carboxymethyl cellulose, the carboxymethyl cellulose prepared through said method has significantly high substitution value, viscosity is also significantly high, it is highly suitable for the binding agent of light weight cement matrix, so that it is guaranteed that the high intensity of warming plate.
Preferably, described foaming agent is concentration is the hydrogen peroxide of 30wt%.
Being compared with the prior art, the invention has the beneficial effects as follows: warming plate light weight prepared by the inventive method, heat conductivity is low, high insulating effect, and intensity is high.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
The preparation method of a kind of high strength cement foaming insulation board, sequentially includes the following steps:
A) weigh, respectively 100 parts of portland cements, 45 parts of flyash, 20 parts be loaded with stearic halloysite nanotubes granule, 10 parts of particle diameters are the hollow glass micropearl of 10-50 micron, 5 parts of bagasse fibres and 4 parts of mineral wool fibers and above-mentioned each raw material stirring is uniform, prepare solid constituent.
B), by 4 parts of carboxymethyl celluloses, 7.5 parts of concentration it is that the hydrogen peroxide of 30wt%, 2 parts of dodecylbenzene sodium sulfonate add in 40 parts of water and stir, prepares liquid component.
C), by above-mentioned prepared solid constituent with liquid component mixes and carries out heated and stirred, cast slurry is prepared; Wherein heating-up temperature is 60 DEG C, and the heated and stirred time is 50min.
D), above-mentioned prepared cast slurry is poured in mould, eventually passes forming and hardening, the demoulding, maintenance, after drying prepared finished product.
In the present embodiment, described it be loaded with stearic halloysite nanotubes granule and be prepared from by following methods: after 50 parts of ��-(methacryloxypropyl) propyl trimethoxy silicane and 50 parts of ethanol mix homogeneously, obtain mixed solution, the halloysite nanotubes that 35 parts of granularities are 300-400 order is added in described mixed solution and mixed solution is carried out ultrasonic wave concussion, after 1.5h through filtering, dry obtain modified halloysite nanotubes; Suspension is obtained again after modified halloysite nanotubes and 250 parts of ethanol mix homogeneously; Then 20 parts of stearic acid are added in suspension stirring and heats to 83 DEG C with the programming rate of 25 DEG C/h, until after ethanol evaporates completely, preparing and be loaded with stearic halloysite nanotubes granule.
Described bagasse fibre is prepared from by following methods: bagasse shreds and chooses the bagasse fibre that length is not more than 0.2mm at 3-5mm, diameter, the bagasse fibre dried 5h in the baking oven of 100 DEG C that will choose.
Described carboxymethyl cellulose is prepared from by following methods: added to by the bagasse of above-mentioned remaining chopping in the sulfuric acid solution that concentration is 2wt% and steaming and decocting 35min at 95 DEG C, being cleaned by bagasse after steaming and decocting, wherein bagasse is 4g/100mL with the solid-to-liquid ratio of sulfuric acid solution; Again by bagasse in the potassium hydroxide solution that concentration is 7wt% at 95 DEG C steaming and decocting 25min, prepare Bagasse-cellulose through cleaning after steaming and decocting, wherein the solid-to-liquid ratio of bagasse and potassium hydroxide solution is 3g/100mL;11 parts of sodium hydroxide, 10 parts of Bagasse-celluloses, 0.75 part of sodium trimetaphosphate are successively added in the alcoholic solution that 300 parts of concentration is 65wt%, react 3.5h at normal temperatures; Then in alcoholic solution, add 3 parts of monoxones again, be warming up to 80 DEG C and continue reaction 3h; Through filtering, clean, dry prepared carboxymethyl cellulose after finally reactant liquor is adjusted to neutrality.
The number of above-mentioned each material is parts by weight.
Embodiment 2
The preparation method of a kind of high strength cement foaming insulation board, sequentially includes the following steps:
A) weigh, respectively 100 parts of portland cements, 50 parts of flyash, 25 parts be loaded with stearic halloysite nanotubes granule, 15 parts of particle diameters are the hollow glass micropearl of 10-50 micron, 6 parts of bagasse fibres and 5 parts of mineral wool fibers and above-mentioned each raw material stirring is uniform, prepare solid constituent.
B), by 5 parts of carboxymethyl celluloses, 10 parts of concentration it is that the hydrogen peroxide of 30wt%, 3 parts of dodecylbenzene sodium sulfonate add in 40 parts of water and stir, prepares liquid component.
C), by above-mentioned prepared solid constituent with liquid component mixes and carries out heated and stirred, cast slurry is prepared; Wherein heating-up temperature is 70 DEG C, and the heated and stirred time is 40min.
D), above-mentioned prepared cast slurry is poured in mould, eventually passes forming and hardening, the demoulding, maintenance, after drying prepared finished product.
In the present embodiment, described it be loaded with stearic halloysite nanotubes granule and be prepared from by following methods: after 50 parts of ��-(methacryloxypropyl) propyl trimethoxy silicane and 50 parts of ethanol mix homogeneously, obtain mixed solution, the halloysite nanotubes that 40 parts of granularities are 300-400 order is added in described mixed solution and mixed solution is carried out ultrasonic wave concussion, after 2h through filtering, dry obtain modified halloysite nanotubes; Suspension is obtained after being mixed homogeneously with 200-300 part ethanol by modified halloysite nanotubes again; Then 25 parts of stearic acid are added in suspension stirring and heats to 85 DEG C with the programming rate of 25 DEG C/h, until after ethanol evaporates completely, preparing and be loaded with stearic halloysite nanotubes granule.
Described bagasse fibre is prepared from by following methods: bagasse shreds and chooses the bagasse fibre that length is not more than 0.2mm at 3-5mm, diameter, the bagasse fibre dried 4h in the baking oven of 120 DEG C that will choose.
Described carboxymethyl cellulose is prepared from by following methods: added to by the bagasse of above-mentioned remaining chopping in the sulfuric acid solution that concentration is 3wt% and steaming and decocting 30min at 100 DEG C, being cleaned by bagasse after steaming and decocting, wherein bagasse is 5g/100mL with the solid-to-liquid ratio of sulfuric acid solution; Again by bagasse in the potassium hydroxide solution that concentration is 8wt% at 100 DEG C steaming and decocting 20min, prepare Bagasse-cellulose through cleaning after steaming and decocting, wherein the solid-to-liquid ratio of bagasse and potassium hydroxide solution is 4g/100mL; 12 parts of sodium hydroxide, 10 parts of Bagasse-celluloses, 1 part of sodium trimetaphosphate are successively added in the alcoholic solution that 300 parts of concentration is 70wt%, react 4h at normal temperatures; Then in alcoholic solution, add 4 parts of monoxones again, be warming up to 80 DEG C and continue reaction 4h; Through filtering, clean, dry prepared carboxymethyl cellulose after finally reactant liquor is adjusted to neutrality.
The number of above-mentioned each material is parts by weight.
Embodiment 3
The preparation method of a kind of high strength cement foaming insulation board, sequentially includes the following steps:
A) weigh, respectively 100 parts of portland cements, 40 parts of flyash, 15 parts be loaded with stearic halloysite nanotubes granule, 5 parts of particle diameters are the hollow glass micropearl of 10-50 micron, 4 parts of bagasse fibres and 3 parts of mineral wool fibers and above-mentioned each raw material stirring is uniform, prepare solid constituent.
B), by 3 parts of carboxymethyl celluloses, 5 parts of concentration it is that the hydrogen peroxide of 30wt%, 1 part of dodecylbenzene sodium sulfonate add in 40 parts of water and stir, prepares liquid component.
C), by above-mentioned prepared solid constituent with liquid component mixes and carries out heated and stirred, cast slurry is prepared; Wherein heating-up temperature is 50 DEG C, and the heated and stirred time is 60min.
D), above-mentioned prepared cast slurry is poured in mould, eventually passes forming and hardening, the demoulding, maintenance, after drying prepared finished product.
In the present embodiment, described it be loaded with stearic halloysite nanotubes granule and be prepared from by following methods: after 50 parts of ��-(methacryloxypropyl) propyl trimethoxy silicane and 50 parts of ethanol mix homogeneously, obtain mixed solution, the halloysite nanotubes that 30 parts of granularities are 300-400 order is added in described mixed solution and mixed solution is carried out ultrasonic wave concussion, after 1h through filtering, dry obtain modified halloysite nanotubes; Suspension is obtained again after modified halloysite nanotubes and 200 parts of ethanol mix homogeneously; Then 15 parts of stearic acid are added in suspension stirring and heats to 80 DEG C with the programming rate of 25 DEG C/h, until after ethanol evaporates completely, preparing and be loaded with stearic halloysite nanotubes granule.
Described bagasse fibre is prepared from by following methods: bagasse shreds and chooses the bagasse fibre that length is not more than 0.2mm at 3-5mm, diameter, the bagasse fibre dried 6h in the baking oven of 80 DEG C that will choose.
Described carboxymethyl cellulose is prepared from by following methods: added to by the bagasse of above-mentioned remaining chopping in the sulfuric acid solution that concentration is 1wt% and steaming and decocting 40min at 90 DEG C, being cleaned by bagasse after steaming and decocting, wherein bagasse is 3g/100mL with the solid-to-liquid ratio of sulfuric acid solution; Again by bagasse in the potassium hydroxide solution that concentration is 6wt% at 90 DEG C steaming and decocting 30min, prepare Bagasse-cellulose through cleaning after steaming and decocting, wherein the solid-to-liquid ratio of bagasse and potassium hydroxide solution is 2g/100mL; 10 parts of sodium hydroxide, 10 parts of Bagasse-celluloses, 0.5 part of sodium trimetaphosphate are successively added in the alcoholic solution that 300 parts of concentration is 60wt%, react 3h at normal temperatures; Then in alcoholic solution, add 2 parts of monoxones again, be warming up to 80 DEG C and continue reaction 2h; Through filtering, clean, dry prepared carboxymethyl cellulose after finally reactant liquor is adjusted to neutrality.
The number of above-mentioned each material is parts by weight.
Raw materials used, equipment in the present invention, unless otherwise noted, is the conventional raw material of this area, equipment; Method therefor in the present invention, unless otherwise noted, is the conventional method of this area.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent transformation above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
Claims (7)
1. the preparation method of a high strength cement foaming insulation board, it is characterised in that sequentially include the following steps:
A) weigh 100 parts of portland cements, 40-50 part flyash, 15-25 part organo-mineral complexing heat accumulation granule, 5-15 part hollow glass micropearl, 4-6 part bagasse fibre and 3-5 part mineral wool fiber, respectively and above-mentioned each raw material stirring is uniform, prepare solid constituent;
B), 3-5 part carboxymethyl cellulose, 5-10 part foaming agent, 1-3 part dodecylbenzene sodium sulfonate added in 40 parts of water and stir, preparing liquid component;
C), by above-mentioned prepared solid constituent with liquid component mixes and carries out heated and stirred, cast slurry is prepared; Wherein heating-up temperature is 50-70 DEG C, and the heated and stirred time is 40-60min;
D), above-mentioned prepared cast slurry is poured in mould, eventually passes forming and hardening, the demoulding, maintenance, after drying prepared finished product;
Described organo-mineral complexing heat accumulation granule is for being loaded with stearic halloysite nanotubes granule, and the number of above-mentioned each material is parts by weight.
2. the preparation method of a kind of high strength cement foaming insulation board as claimed in claim 1, it is characterized in that, described it be loaded with stearic halloysite nanotubes granule and be prepared from by following methods: after 50 parts of ��-(methacryloxypropyl) propyl trimethoxy silicane and 50 parts of ethanol mix homogeneously, obtain mixed solution, 30-40 part halloysite nanotubes added in described mixed solution and mixed solution is carried out ultrasonic wave concussion, after 1-2h, modifiying halloysite nanotubes through filtration, dry obtaining; Suspension is obtained after being mixed homogeneously with 200-300 part ethanol by modified halloysite nanotubes again; Then 15-25 part stearic acid adding in suspension stirring and heats to 80-85 DEG C with the programming rate of 25 DEG C/h, until after ethanol evaporates completely, preparing and be loaded with stearic halloysite nanotubes granule, the number of above-mentioned each material is parts by weight.
3. the preparation method of a kind of high strength cement foaming insulation board as claimed in claim 2, it is characterised in that the granularity of described halloysite nanotubes is 300-400 order.
4. the preparation method of a kind of high strength cement foaming insulation board as claimed in claim 1, it is characterised in that the particle diameter of described hollow glass micropearl is 10-50 micron.
5. the preparation method of a kind of high strength cement foaming insulation board as claimed in claim 1, it is characterized in that, described bagasse fibre is prepared from by following methods: bagasse shreds and chooses the bagasse fibre that length is not more than 0.2mm at 3-5mm, diameter, the bagasse fibre dried 4-6h in the baking oven of 80-120 DEG C that will choose.
6. the preparation method of a kind of high strength cement foaming insulation board as claimed in claim 5, it is characterized in that, described carboxymethyl cellulose is prepared from by following methods: added to by the bagasse of remaining chopping in the sulfuric acid solution that concentration is 1-3wt% and steaming and decocting 30-40min at 90-100 DEG C, being cleaned by bagasse after steaming and decocting, wherein bagasse is 3-5g/100mL with the solid-to-liquid ratio of sulfuric acid solution; Again by bagasse in the potassium hydroxide solution that concentration is 6-8wt% at 90-100 DEG C steaming and decocting 20-30min, prepare Bagasse-cellulose through cleaning after steaming and decocting, wherein the solid-to-liquid ratio of bagasse and potassium hydroxide solution is 2-4g/100mL; 10-12 part sodium hydroxide, 10 parts of Bagasse-celluloses, 0.5-1 part sodium trimetaphosphate are successively added in the alcoholic solution that 300 parts of concentration is 60-70wt%, react 3-4h at normal temperatures; Then in alcoholic solution, add 2-4 part monoxone again, be warming up to 80 DEG C and continue reaction 2-4h; Through filtering, clean, dry prepared carboxymethyl cellulose after reactant liquor is finally adjusted to neutrality, the number of above-mentioned each material is parts by weight.
7. the preparation method of a kind of high strength cement foaming insulation board as claimed in claim 1, it is characterised in that described foaming agent is concentration is the hydrogen peroxide of 30wt%.
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