CN105645995B - A kind of preparation method of high strength cement foaming insulation board - Google Patents

A kind of preparation method of high strength cement foaming insulation board Download PDF

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CN105645995B
CN105645995B CN201610030815.3A CN201610030815A CN105645995B CN 105645995 B CN105645995 B CN 105645995B CN 201610030815 A CN201610030815 A CN 201610030815A CN 105645995 B CN105645995 B CN 105645995B
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parts
bagasse
insulation board
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solution
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CN105645995A (en
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何杰斌
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Guizhou Theo building energy saving Technology Co., Ltd.
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Guizhou Theo Building Energy Saving Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use 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
    • C04B14/38Fibrous materials; Whiskers
    • C04B14/46Rock wool ; Ceramic or silicate fibres
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use 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
    • C04B18/04Waste materials; Refuse
    • C04B18/18Waste materials; Refuse organic
    • C04B18/24Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • C04B18/248Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork from specific plants, e.g. hemp fibres
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The present invention relates to thermal insulation board preparation fields, disclose a kind of preparation method of high strength cement foaming insulation board, including:A), 100 parts of portland cements, 40 50 parts of flyash, 15 25 parts of organo-mineral complexing heat accumulation particles, 5 15 parts of hollow glass micropearls, 46 parts of bagasse fibres and 35 parts of mineral wool fibers are uniformly mixed, solid component is made;B), 35 parts of carboxymethyl celluloses, 5 10 parts of foaming agents, 13 parts of neopelexes are added in 40 parts of water and are stirred evenly, liquid component is made;C), solid component and liquid component are mixed to and carried out heating stirring, cast slurry is made;D), cast slurry is poured into mold, finally the finished product after forming and hardening, demoulding, maintenance, drying.Thermal insulation board prepared by the method for the present invention is light, and thermal coefficient is low, and heat insulation effect is good, and intensity is high.

Description

A kind of preparation method of high strength cement foaming insulation board
Technical field
The present invention relates to thermal insulation board preparation field more particularly to a kind of preparation methods of high strength cement foaming insulation board.
Background technology
Cement foaming insulation board is the thermal insulation board being prepared as main raw material(s) using foam cement, and traditional is cement foamed Cement, addition hydrogen peroxide, hard calcium, flyash and cement blowing agent mixed foaming form when thermal insulation board, and thermal coefficient is relatively low, tool There is preferable heat insulation effect, is ideal wall heat insulation material.
Authorization Notice No. is CN103449834B, and grant date is that the Chinese invention patent of 2015.07.01 discloses a kind of water Foaming insulation board and preparation method thereof is steeped, which is made of the raw material of following weight parts:Portland cement 90-100, Flyash 70-80, nano-bentonite 10-20, nano silicon dioxide 3-5, emulsified wax 5-7, styrene-acrylic emulsion 6-8, benzene sulfonic acid 2- 3, aluminium oxide 1-2, cetomacrogol 1000 6-8, polypropylene fibre 2-3, sodium sulfate of polyethenoxy ether of fatty alcohol 2-3, used oil 1- 2, Tween-60 0.2-0.3, neopelex 2-3, dodecyl trimethyl ammonium chloride 1-2, dimethicone 0.3- 0.4, sodium peroxydisulfate 0.1-0.3, appropriate amount of water.The thermal insulation board of the invention has the characteristics that light, heat-insulation and heat-preservation, and it is outer to be suitable for building Wall is kept the temperature.
But the thermal insulation board of foregoing invention is as traditional cement foaming insulation board, it is a large amount of due to existing inside thermal insulation board Hole, cause the intensity of thermal insulation board relatively low, and frangible.
Invention content
In order to solve the above technical problem, the present invention provides a kind of preparation methods of high strength cement foaming insulation board. Thermal insulation board prepared by the method for the present invention is light, and thermal coefficient is low, and heat insulation effect is good, and intensity is high.
The specific technical solution of the present invention is:A kind of preparation method of high strength cement foaming insulation board, according to the following steps It carries out:
A), weigh respectively 100 parts of portland cements, 40-50 parts of flyash, 15-25 parts of organo-mineral complexing heat accumulation particles, 5-15 parts of hollow glass micropearls, 4-6 parts of bagasse fibres and 3-5 parts of mineral wool fibers simultaneously stir evenly above-mentioned each raw material, are made Solid component.
B 3-5 parts of carboxymethyl celluloses, 5-10 parts of foaming agents, 1-3 parts of neopelexes), are added to 40 parts of water In and stir evenly, be made liquid component.
C), solid component obtained above and liquid component are mixed to and carried out heating stirring, cast slurry is made;Wherein Heating temperature is 50-70 DEG C, and the heating stirring time is 40-60min.
D), cast slurry obtained above is poured into mold, finally after forming and hardening, demoulding, maintenance, drying Finished product.
The method of the present invention is compounded with bagasse fibre and mineral wool fiber in thermal insulation board, can substantially enhance the strong of thermal insulation board Degree, especially bagasse fibre have outstanding tensile strength, and preferable with the compatibility of portland cement so that cement is sent out It is high to steep thermal insulation board intensity, it is not easily broken.Hollow glass micropearl has hollow micro- air bag, not only light, saves raw material, Er Qieneng Enough play heat insulation.And the effect of organo-mineral complexing heat accumulation particle is can to carry out heat accumulation, when external temperature is high, can be incited somebody to action Heat is stored, and again can distribute the heat of storage when external temperature is low.
The organo-mineral complexing heat accumulation particle, which is load, stearic halloysite nanotubes particle, above-mentioned each substance Number is parts by weight.
Wherein, the load has stearic halloysite nanotubes particle to be prepared by following methods:By 50 parts of γ- (methacryloxypropyl) propyl trimethoxy silicane and 50 parts of ethyl alcohol obtain mixed solution after mixing, by 30-40 parts of angstrom Lip rivers Stone nanotube is added in the mixed solution and mixed solution is carried out ultrasonic oscillation, through filtering, being dried to obtain after 1-2h Modified halloysite nanotubes;Modified halloysite nanotubes are obtained into suspension after mixing with 200-300 parts of ethyl alcohol again;Then 15-25 parts of stearic acid are added to and is stirred in suspension and is heated to 80-85 DEG C with the heating rate of 25 DEG C/h, until ethyl alcohol is complete After pervaporation, obtained load has stearic halloysite nanotubes particle.
Halloysite nanotubes are a kind of inorganic ore, are in hollow tubular structure, the specific surface area with super large, adsorptivity It is good, therefore potentially act as carrier.Stearic acid has good thermal storage performance, and lower thermal coefficient can be by phase transformation come real Show the absorption of heat and distributes.But stearic acid phase transformation have certain mobility, and with the compatibility of halloysite nanotubes compared with Difference, and the water proofing property of halloysite nanotubes is also poor, and after the present invention is by being modified halloysite nanotubes, it is right to increase its Stearic compatibility and water proofing property, so that stearic acid can smoothly and be in large quantities supported, and it is steady to improve load It is qualitative.
Preferably, the granularity of the halloysite nanotubes is 300-400 mesh.
Preferably, the grain size of the hollow glass micropearl is 10-50 microns.
Preferably, the bagasse fibre is prepared by following methods:Bagasse is shredded and chooses length in 3- 5mm, diameter are not more than the bagasse fibre of 0.2mm, and the bagasse fibre of selection is dried in 80-120 DEG C of baking oven 4-6h。
Bagasse is recycled, bagasse fibre is made, it is environmentally protective.
Preferably, the carboxymethyl cellulose is prepared by following methods:The bagasse of remaining chopping is added to The boiling 30-40min in the sulfuric acid solution of a concentration of 1-3wt% and at 90-100 DEG C, cleans bagasse after boiling, wherein sweet The solid-to-liquid ratio of bagasse and sulfuric acid solution is 3-5g/100mL;Again by bagasse in the potassium hydroxide solution of a concentration of 6-8wt% The boiling 20-30min at 90-100 DEG C, through cleaning obtained Bagasse-cellulose after boiling, wherein bagasse and potassium hydroxide is molten The solid-to-liquid ratio of liquid is 2-4g/100mL;10-12 parts of sodium hydroxides, 10 parts of Bagasse-celluloses, 0.5-1 parts of sodium trimetaphosphates are first It is added to afterwards in the ethanol solution of 300 parts of a concentration of 60-70wt%, reacts 3-4h at normal temperatures;Then again into ethanol solution 2-4 parts of monoxones are added, are warming up to 80 DEG C the reaction was continued 2-4h;Finally reaction solution is adjusted to after neutrality through filtering, cleaning, dry Carboxymethyl cellulose is made, the number of above-mentioned each substance is parts by weight.
Remaining bagasse after obtained bagasse fibre is further recycled, carboxymethyl cellulose, warp is made Crossing carboxymethyl cellulose made from the above method has very high degree of substitution, and viscosity is also very high, is highly suitable for light weight cement The binder of matrix, so that it is guaranteed that the high intensity of thermal insulation board.
Preferably, the foaming agent is the hydrogen peroxide of a concentration of 30wt%.
It is compared with the prior art, the beneficial effects of the invention are as follows:Thermal insulation board prepared by the method for the present invention is light, thermal coefficient Low, heat insulation effect is good, and intensity is high.
Specific implementation mode
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of preparation method of high strength cement foaming insulation board, carries out according to the following steps:
A 100 parts of portland cements), are weighed respectively, 45 parts of flyash, 20 parts of loads there are stearic halloysite nanotubes Particle, hollow glass micropearl, 5 parts of bagasse fibres and 4 parts of mineral wool fibers that 10 parts of grain sizes are 10-50 microns and by above-mentioned each original Material stirs evenly, and solid component is made.
B), hydrogen peroxide, the 2 parts of neopelexes of 4 parts of carboxymethyl celluloses, 7.5 parts of a concentration of 30wt% are added It is added in 40 parts of water and stirs evenly, liquid component is made.
C), solid component obtained above and liquid component are mixed to and carried out heating stirring, cast slurry is made;Wherein Heating temperature is 60 DEG C, and the heating stirring time is 50min.
D), cast slurry obtained above is poured into mold, finally after forming and hardening, demoulding, maintenance, drying Finished product.
In the present embodiment, the load has stearic halloysite nanotubes particle to be prepared by following methods:It will 50 parts of γ-(methacryloxypropyl) propyl trimethoxy silicanes and 50 parts of ethyl alcohol obtain mixed solution after mixing, by 35 parts Granularity is that the halloysite nanotubes of 300-400 mesh are added in the mixed solution and mixed solution is carried out ultrasonic oscillation, Through filtering, being dried to obtain modified halloysite nanotubes after 1.5h;Modified halloysite nanotubes are uniformly mixed with 250 parts of ethyl alcohol again After obtain suspension;Then 20 parts of stearic acid are added to and are stirred in suspension and is heated to 83 with the heating rate of 25 DEG C/h DEG C, until after ethyl alcohol evaporating completely, obtained load has stearic halloysite nanotubes particle.
The bagasse fibre is prepared by following methods:Bagasse is shredded and choose length 3-5mm, diameter not The bagasse fibre of selection is dried 5h by the bagasse fibre more than 0.2mm in 100 DEG C of baking oven.
The carboxymethyl cellulose is prepared by following methods:The bagasse of above-mentioned remaining chopping is added to concentration For the boiling 35min in the sulfuric acid solution of 2wt% and at 95 DEG C, bagasse is cleaned after boiling, wherein bagasse and sulfuric acid is molten The solid-to-liquid ratio of liquid is 4g/100mL;The boiling at 95 DEG C in the potassium hydroxide solution of a concentration of 7wt% by bagasse again 25min, through cleaning obtained Bagasse-cellulose after boiling, the wherein solid-to-liquid ratio of bagasse and potassium hydroxide solution is 3g/ 100mL;By 11 parts of sodium hydroxides, 10 parts of Bagasse-celluloses, 0.75 part of sodium trimetaphosphate be successively added to 300 parts it is a concentration of In the ethanol solution of 65wt%, 3.5h is reacted at normal temperatures;Then 3 parts of monoxones are added into ethanol solution again, are warming up to 80 DEG C the reaction was continued 3h;Finally reaction solution is adjusted to after neutrality through filtering, cleaning, dry obtained carboxymethyl cellulose.
The number of above-mentioned each substance is parts by weight.
Embodiment 2
A kind of preparation method of high strength cement foaming insulation board, carries out according to the following steps:
A 100 parts of portland cements), are weighed respectively, 50 parts of flyash, 25 parts of loads there are stearic halloysite nanotubes Particle, hollow glass micropearl, 6 parts of bagasse fibres and 5 parts of mineral wool fibers that 15 parts of grain sizes are 10-50 microns and by above-mentioned each original Material stirs evenly, and solid component is made.
B), hydrogen peroxide, the 3 parts of neopelexes of 5 parts of carboxymethyl celluloses, 10 parts of a concentration of 30wt% are added To in 40 parts of water and stirring evenly, liquid component is made.
C), solid component obtained above and liquid component are mixed to and carried out heating stirring, cast slurry is made;Wherein Heating temperature is 70 DEG C, and the heating stirring time is 40min.
D), cast slurry obtained above is poured into mold, finally after forming and hardening, demoulding, maintenance, drying Finished product.
In the present embodiment, the load has stearic halloysite nanotubes particle to be prepared by following methods:It will 50 parts of γ-(methacryloxypropyl) propyl trimethoxy silicanes and 50 parts of ethyl alcohol obtain mixed solution after mixing, by 40 parts Granularity is that the halloysite nanotubes of 300-400 mesh are added in the mixed solution and mixed solution is carried out ultrasonic oscillation, Through filtering, being dried to obtain modified halloysite nanotubes after 2h;Modified halloysite nanotubes are mixed with 200-300 parts of ethyl alcohol again Suspension is obtained after even;Then 25 parts of stearic acid are added to and are stirred in suspension and is heated to 85 with the heating rate of 25 DEG C/h DEG C, until after ethyl alcohol evaporating completely, obtained load has stearic halloysite nanotubes particle.
The bagasse fibre is prepared by following methods:Bagasse is shredded and choose length 3-5mm, diameter not The bagasse fibre of selection is dried 4h by the bagasse fibre more than 0.2mm in 120 DEG C of baking oven.
The carboxymethyl cellulose is prepared by following methods:The bagasse of above-mentioned remaining chopping is added to concentration For the boiling 30min in the sulfuric acid solution of 3wt% and at 100 DEG C, bagasse is cleaned after boiling, wherein bagasse and sulfuric acid is molten The solid-to-liquid ratio of liquid is 5g/100mL;The boiling at 100 DEG C in the potassium hydroxide solution of a concentration of 8wt% by bagasse again 20min, through cleaning obtained Bagasse-cellulose after boiling, the wherein solid-to-liquid ratio of bagasse and potassium hydroxide solution is 4g/ 100mL;By 12 parts of sodium hydroxides, 10 parts of Bagasse-celluloses, 1 part of sodium trimetaphosphate be successively added to 300 parts it is a concentration of In the ethanol solution of 70wt%, 4h is reacted at normal temperatures;Then 4 parts of monoxones are added into ethanol solution again, are warming up to 80 DEG C The reaction was continued 4h;Finally reaction solution is adjusted to after neutrality through filtering, cleaning, dry obtained carboxymethyl cellulose.
The number of above-mentioned each substance is parts by weight.
Embodiment 3
A kind of preparation method of high strength cement foaming insulation board, carries out according to the following steps:
A 100 parts of portland cements), are weighed respectively, 40 parts of flyash, 15 parts of loads there are stearic halloysite nanotubes Particle, hollow glass micropearl, 4 parts of bagasse fibres and 3 parts of mineral wool fibers that 5 parts of grain sizes are 10-50 microns and by above-mentioned each original Material stirs evenly, and solid component is made.
B), hydrogen peroxide, the 1 part of neopelex of 3 parts of carboxymethyl celluloses, 5 parts of a concentration of 30wt% are added To in 40 parts of water and stirring evenly, liquid component is made.
C), solid component obtained above and liquid component are mixed to and carried out heating stirring, cast slurry is made;Wherein Heating temperature is 50 DEG C, and the heating stirring time is 60min.
D), cast slurry obtained above is poured into mold, finally after forming and hardening, demoulding, maintenance, drying Finished product.
In the present embodiment, the load has stearic halloysite nanotubes particle to be prepared by following methods:It will 50 parts of γ-(methacryloxypropyl) propyl trimethoxy silicanes and 50 parts of ethyl alcohol obtain mixed solution after mixing, by 30 parts Granularity is that the halloysite nanotubes of 300-400 mesh are added in the mixed solution and mixed solution is carried out ultrasonic wave shake It swings, through filtering, being dried to obtain modified halloysite nanotubes after 1h;Modified halloysite nanotubes are mixed with 200 parts of ethyl alcohol again Suspension is obtained after even;Then 15 parts of stearic acid are added to and are stirred in suspension and is heated to 80 with the heating rate of 25 DEG C/h DEG C, until after ethyl alcohol evaporating completely, obtained load has stearic halloysite nanotubes particle.
The bagasse fibre is prepared by following methods:Bagasse is shredded and choose length 3-5mm, diameter not The bagasse fibre of selection is dried 6h by the bagasse fibre more than 0.2mm in 80 DEG C of baking oven.
The carboxymethyl cellulose is prepared by following methods:The bagasse of above-mentioned remaining chopping is added to concentration For the boiling 40min in the sulfuric acid solution of 1wt% and at 90 DEG C, bagasse is cleaned after boiling, wherein bagasse and sulfuric acid is molten The solid-to-liquid ratio of liquid is 3g/100mL;The boiling at 90 DEG C in the potassium hydroxide solution of a concentration of 6wt% by bagasse again 30min, through cleaning obtained Bagasse-cellulose after boiling, the wherein solid-to-liquid ratio of bagasse and potassium hydroxide solution is 2g/ 100mL;By 10 parts of sodium hydroxides, 10 parts of Bagasse-celluloses, 0.5 part of sodium trimetaphosphate be successively added to 300 parts it is a concentration of In the ethanol solution of 60wt%, 3h is reacted at normal temperatures;Then 2 parts of monoxones are added into ethanol solution again, are warming up to 80 DEG C The reaction was continued 2h;Finally reaction solution is adjusted to after neutrality through filtering, cleaning, dry obtained carboxymethyl cellulose.
The number of above-mentioned each substance is parts by weight.
Raw materials used in the present invention, equipment is unless otherwise noted the common raw material, equipment of this field;In the present invention Method therefor is unless otherwise noted the conventional method of this field.
The above is only presently preferred embodiments of the present invention, is not imposed any restrictions to the present invention, every according to the present invention Technical spirit still falls within the technology of the present invention side to any simple modification, change and equivalent transformation made by above example The protection domain of case.

Claims (4)

1. a kind of preparation method of high strength cement foaming insulation board, which is characterized in that carry out according to the following steps:
A 100 parts of portland cements, 40-50 parts of flyash, 15-25 parts of organo-mineral complexing heat accumulation particles, 5-15), are weighed respectively Part hollow glass micropearl, 4-6 parts of bagasse fibres and 3-5 parts of mineral wool fibers simultaneously stir evenly above-mentioned each raw material, and solid is made Component;
B), 3-5 parts of carboxymethyl celluloses, 5-10 parts of foaming agents, 1-3 parts of neopelexes are added in 40 parts of water simultaneously It stirs evenly, liquid component is made;
C), solid component obtained above and liquid component are mixed to and carried out heating stirring, cast slurry is made;Wherein heat Temperature is 50-70 DEG C, and the heating stirring time is 40-60min;
D), cast slurry obtained above is poured into mold, is finally made after forming and hardening, demoulding, maintenance, drying Finished product;
The organo-mineral complexing heat accumulation particle, which is load, stearic halloysite nanotubes particle;
Wherein, the load has stearic halloysite nanotubes particle to be prepared by following methods:By 50 parts of γ-(methyl Acryloyl-oxy) propyl trimethoxy silicane and 50 parts of ethyl alcohol obtain mixed solution after mixing, by 30-40 parts of galapectite nanometers Pipe is added in the mixed solution and mixed solution is carried out ultrasonic oscillation, through filtering, being dried to obtain modified angstrom after 1-2h Lip river stone nanotube;Modified halloysite nanotubes are obtained into suspension after mixing with 200-300 parts of ethyl alcohol again;Then by 15- 25 parts of stearic acid, which are added to, to be stirred in suspension and is heated to 80-85 DEG C with the heating rate of 25 DEG C/h, until ethyl alcohol steams completely After hair, obtained load has stearic halloysite nanotubes particle;
The bagasse fibre is prepared by following methods:Bagasse is shredded and chooses length and is not more than in 3-5mm, diameter The bagasse fibre of selection is dried 4-6h by the bagasse fibre of 0.2mm in 80-120 DEG C of baking oven;
The carboxymethyl cellulose is prepared by following methods:The bagasse of remaining chopping is added to a concentration of 1- The boiling 30-40min in the sulfuric acid solution of 3wt% and at 90-100 DEG C, cleans bagasse after boiling, wherein bagasse and sulphur The solid-to-liquid ratio of acid solution is 3-5g/100mL;Again by bagasse in the potassium hydroxide solution of a concentration of 6-8wt% in 90-100 Boiling 20-30min at DEG C, through cleaning obtained Bagasse-cellulose, the wherein solid-liquid of bagasse and potassium hydroxide solution after boiling Than for 2-4g/100mL;10-12 parts of sodium hydroxides, 10 parts of Bagasse-celluloses, 0.5-1 parts of sodium trimetaphosphates are successively added to In the ethanol solution of 300 parts of a concentration of 60-70wt%, 3-4h is reacted at normal temperatures;Then 2-4 parts are added into ethanol solution again Monoxone is warming up to 80 DEG C the reaction was continued 2-4h;Finally reaction solution is adjusted to after neutrality through filtering, cleaning, drying obtained carboxylic first The number of base cellulose, above-mentioned each substance is parts by weight.
2. a kind of preparation method of high strength cement foaming insulation board as described in claim 1, which is characterized in that described angstrom of Lip river The granularity of stone nanotube is 300-400 mesh.
3. a kind of preparation method of high strength cement foaming insulation board as described in claim 1, which is characterized in that described hollow The grain size of glass microballoon is 10-50 microns.
4. a kind of preparation method of high strength cement foaming insulation board as described in claim 1, which is characterized in that the foaming Agent is the hydrogen peroxide of a concentration of 30wt%.
CN201610030815.3A 2016-01-18 2016-01-18 A kind of preparation method of high strength cement foaming insulation board Active CN105645995B (en)

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