CN105236859A - Polystyrene nanometer microsphere filled foaming cement thermal insulation plate preparation method - Google Patents
Polystyrene nanometer microsphere filled foaming cement thermal insulation plate preparation method Download PDFInfo
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- CN105236859A CN105236859A CN201510576158.8A CN201510576158A CN105236859A CN 105236859 A CN105236859 A CN 105236859A CN 201510576158 A CN201510576158 A CN 201510576158A CN 105236859 A CN105236859 A CN 105236859A
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- cement
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- lauryl sulphate
- sodium lauryl
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- 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
Abstract
The present invention relates to a polystyrene nanometer microsphere filled foaming cement thermal insulation plate preparation method, and belongs to the field of building materials. According to the present invention, based on the problems of high brittleness, easy cracking and easy breaking due to compactly-distributed pores of the current foaming cement thermal insulation plate, the polystyrene nanometer microspheres are added to fill the pores so as to connect the foaming cement while remove the internal stress through elastic deformation during force applying, such that the disadvantages of strong brittleness and insufficient toughness of the foaming cement thermal insulation plate are effectively solved; the polystyrene nanometer microspheres are used to fill, such that the crack width is reduced by 50% after using for the same time; and the coal residue is used to fill, such that the resource recycling is achieved, and the advantages of green environmental protection is provided.
Description
Technical field
The present invention relates to a kind of preparation method of Properties of Polystyrene Nano Particles filling-foam cement heat preserving plate, belong to building material field.
Background technology
Cement insulation board is a kind of high-performance inorganic lagging material.It is a kind of porous light high-performance insulation inorganic plate, is that a kind of thermal conductivity of being made up through device fabrications such as stirring system, curing system, diced systems of multiple inorganic gel sheet material and the additive such as properties-correcting agent, whipping agent is low, thermal and insulating performance good, inorganic heat insulation material that high temperature resistant, ageing-resistant, A1 level is not fired. cement foaming insulation board can widespread use and building exterior wall heat preserving system.
But in China, cement foamed lagging material, the particularly cement foamed lagging material product of below 500kg/m3, owing to there is surface irregularity, bubbling, cracking, there is hollowing inside, alters hole, loose or the up and down problem such as ultimate compression strength significant difference, overall lower compressive strength, its application and popularization are greatly affected.Particularly cement insulation board fragility is excessive, easily ruptures at hole place, opening, the series of problems such as fracture, so need the cement insulation board that a kind of toughness is stronger necessary.
Summary of the invention
The technical problem that the present invention mainly solves: cause fragility excessive because hole gathers for current cement insulation board, easy cracking, the problem fractureed, provide a kind of by adding Properties of Polystyrene Nano Particles filling pore, connect foam cement unloads Re-stress simultaneously when stressed method by elastic deformation, efficiently solve the shortcoming that cement insulation board fragility crosses obdurability deficiency.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
(1) be 1:5 by sodium lauryl sulphate and deionized water volume ratio, sodium lauryl sulphate and deionized water are added in there-necked flask, 30 ~ 50 DEG C are warming up to it, under the speed of 300 ~ 500r/min, slow stirring makes sodium lauryl sulphate dissolve completely and solution clarification, then to its insulation 10 ~ 15min;
(2) by massfraction, choose the sodium lauryl sulphate of the insulation of 20 ~ 65 parts, the tertiary sodium phosphate of 20 ~ 45 parts, the vinylbenzene of 15 ~ 35 parts, 75 ~ 85 DEG C are warming up to it, stir 10 ~ 15min under 800 ~ 1000r/min after, after at moving to 95 DEG C, heating in water bath carries out emulsion reaction 2 ~ 3h, again it is dripped to the Sodium Persulfate solution of the 2.25mol/L of 10mL, ensure that rate of addition is that 2s/ drips, simultaneously to its isothermal reaction 2 ~ 3h;
(3) after its constant temperature terminates, after making it be cooled to room temperature, to the calcium chloride solution of the 0.85mol/L that it drips and sodium lauryl sulphate is identical in quality, after it is added dropwise to complete, vacuum filtration is carried out to it, with distilled water repetitive scrubbing filter cake and after suction filtration 2 ~ 3 times, and be after the ethanolic soln repetitive scrubbing suction filtration 2 ~ 3 times of 50% with massfraction, filter cake is placed in 80 ~ 90 DEG C of baking oven 20 ~ 24h, dry Properties of Polystyrene Nano Particles can be obtained;
(4) thermal power generation is remained the cinder obtained to screen, the colliery particle through particle diameter≤2mm is obtained again by the milling device of 10 ~ 15MPa, be under the rotating speed of 1500 ~ 2000r/min, 30kg cement is devoted first time stirring 20 ~ 30min in mixing and blending machine again at rotating speed, after first time has stirred, after speed adjustment to 1200 ~ 1500r/min, be that 1:0.03 drops into additive in mix and blend by cement and additives ratio, carry out second time and stir 20 ~ 30min;
(5) after secondary stirring is complete, mixing and blending machine is adjusted to 1500 ~ 1700r/min, be that 1:2:15 drops into coal slag granules and Properties of Polystyrene Nano Particles in mix and blend by coal slag granules and Properties of Polystyrene Nano Particles and cement proportion, in mixing and blending machine, stir 5 ~ 30min carry out third time stirring, obtained cement slurry;
(6) by N, N-dinitrosopentamethylene tetramine whipping agent and water ratio are that 1:25 is configured, must be foamed mixed solution, again the foaming mixed solution identical in quality with additive is sent uniform foam by screw rod pumped type cement foam maker, cement slurry and whipping agent are incorporated in agitator simultaneously and stir, finally pour the foam cement mixed slurry stirred into die for molding, naturally dry and can obtain a kind of Properties of Polystyrene Nano Particles filling-foam cement heat preserving plate.
described additive is polyacrylamide water-holding agent in mass ratio: carbon black pellet strengthening agent: sodium lignin sulfonate water reducer: trolamine=2:5:6:8 carries out the cement additire of proportioning.
Application method of the present invention is: by the foaming insulation board of preparation by cementing outside the building layer, use and detected by ultrasonic wave crack means of detection after 2 ~ 3 years, crack Kuan Du≤0.2mm.
The invention has the beneficial effects as follows:
(1) filled by Properties of Polystyrene Nano Particles particle, use same time Fracture Width to reduce 30 ~ 50%;
(2) filled by cinder, achieve resource recycling, environmental protection.
embodiment:
be 1:5 by sodium lauryl sulphate and deionized water volume ratio, sodium lauryl sulphate and deionized water are added in there-necked flask, 30 ~ 50 DEG C are warming up to it, under the speed of 300 ~ 500r/min, slow stirring makes sodium lauryl sulphate dissolve completely and solution clarification, then to its insulation 10 ~ 15min; By massfraction, choose the sodium lauryl sulphate of the insulation of 20 ~ 65 parts, the tertiary sodium phosphate of 20 ~ 45 parts, the vinylbenzene of 15 ~ 35 parts, 75 ~ 85 DEG C are warming up to it, stir 10 ~ 15min under 800 ~ 1000r/min after, after at moving to 95 DEG C, heating in water bath carries out emulsion reaction 2 ~ 3h, again it is dripped to the Sodium Persulfate solution of the 2.25mol/L of 10mL, ensure that rate of addition is that 2s/ drips, simultaneously to its isothermal reaction 2 ~ 3h; After its constant temperature terminates, after making it be cooled to room temperature, to the calcium chloride solution of the 0.85mol/L that it drips and sodium lauryl sulphate is identical in quality, after it is added dropwise to complete, vacuum filtration is carried out to it, with distilled water repetitive scrubbing filter cake and after suction filtration 2 ~ 3 times, and be after the ethanolic soln repetitive scrubbing suction filtration 2 ~ 3 times of 50% with massfraction, filter cake is placed in 80 ~ 90 DEG C of baking oven 20 ~ 24h, dry Properties of Polystyrene Nano Particles can be obtained; Thermal power generation is remained the cinder obtained screen, the colliery particle through particle diameter≤2mm is obtained again by the milling device of 10 ~ 15MPa, be under the rotating speed of 1500 ~ 2000r/min, 30kg cement is devoted first time stirring 20 ~ 30min in mixing and blending machine again at rotating speed, after first time has stirred, after speed adjustment to 1200 ~ 1500r/min, be that 1:0.03 drops into additive in mix and blend by cement and additives ratio, carry out second time and stir 20 ~ 30min; After secondary stirring is complete, mixing and blending machine is adjusted to 1500 ~ 1700r/min, be that 1:2:15 drops into coal slag granules and Properties of Polystyrene Nano Particles in mix and blend by coal slag granules and Properties of Polystyrene Nano Particles and cement proportion, in mixing and blending machine, stir 5 ~ 30min carry out third time stirring, obtained cement slurry; By N, N-dinitrosopentamethylene tetramine whipping agent and water ratio are that 1:25 is configured, must be foamed mixed solution, again the foaming mixed solution identical in quality with additive is sent uniform foam by screw rod pumped type cement foam maker, cement slurry and whipping agent are incorporated in agitator simultaneously and stir, finally pour the foam cement mixed slurry stirred into die for molding, naturally dry and can obtain a kind of Properties of Polystyrene Nano Particles filling-foam cement heat preserving plate; Described additive is polyacrylamide water-holding agent in mass ratio: carbon black pellet strengthening agent: sodium lignin sulfonate water reducer: trolamine=2:5:6:8 carries out the cement additire of proportioning.
example 1
be 1:5 by sodium lauryl sulphate and deionized water volume ratio, sodium lauryl sulphate and deionized water are added in there-necked flask, 30 DEG C are warming up to it, under the speed of 300r/min, slow stirring makes sodium lauryl sulphate dissolve completely and solution clarification, then to its insulation 10min; By massfraction, choose the sodium lauryl sulphate of the insulation of 20 parts, the tertiary sodium phosphate of 45 parts, the vinylbenzene of 35 parts, 75 DEG C are warming up to it, stir 10min under 800r/min after, after at moving to 95 DEG C, heating in water bath carries out emulsion reaction 2h, again it is dripped to the Sodium Persulfate solution of the 2.25mol/L of 10mL, ensure that rate of addition is that 2s/ drips, simultaneously to its isothermal reaction 2h; After its constant temperature terminates, after making it be cooled to room temperature, to the calcium chloride solution of the 0.85mol/L that it drips and sodium lauryl sulphate is identical in quality, after it is added dropwise to complete, vacuum filtration is carried out to it, with distilled water repetitive scrubbing filter cake and after suction filtration 2 times, and be after the ethanolic soln repetitive scrubbing suction filtration 2 times of 50% with massfraction, filter cake is placed in 80 DEG C of baking oven 20h, dry Properties of Polystyrene Nano Particles can be obtained; Thermal power generation is remained the cinder obtained screen, the colliery particle through particle diameter 2mm is obtained again by the milling device of 10MPa, be under the rotating speed of 1500r/min, 30kg cement is devoted in mixing and blending machine to stir 20min for the first time again at rotating speed, after first time has stirred, after speed adjustment to 1200r/min, be that 1:0.03 drops into additive in mix and blend by cement and additives ratio, carry out second time and stir 20min; After secondary stirring is complete, mixing and blending machine is adjusted to 1500r/min, be that 1:2:15 drops into coal slag granules and Properties of Polystyrene Nano Particles in mix and blend by coal slag granules and Properties of Polystyrene Nano Particles and cement proportion, in mixing and blending machine, stir 5min carry out third time stirring, obtained cement slurry; By N, N-dinitrosopentamethylene tetramine whipping agent and water ratio are that 1:25 is configured, must be foamed mixed solution, again the foaming mixed solution identical in quality with additive is sent uniform foam by screw rod pumped type cement foam maker, cement slurry and whipping agent are incorporated in agitator simultaneously and stir, finally pour the foam cement mixed slurry stirred into die for molding, naturally dry and can obtain a kind of Properties of Polystyrene Nano Particles filling-foam cement heat preserving plate; The present invention is filled by Properties of Polystyrene Nano Particles particle, uses same time Fracture Width to reduce 30%; Filled by cinder, achieve resource recycling, environmental protection.
example 2
be 1:5 by sodium lauryl sulphate and deionized water volume ratio, sodium lauryl sulphate and deionized water are added in there-necked flask, 40 DEG C are warming up to it, under the speed of 400r/min, slow stirring makes sodium lauryl sulphate dissolve completely and solution clarification, then to its insulation 12min; By massfraction, choose the sodium lauryl sulphate of the insulation of 30 parts, the tertiary sodium phosphate of 40 parts, the vinylbenzene of 30 parts, 80 DEG C are warming up to it, stir 12min under 900r/min after, after at moving to 95 DEG C, heating in water bath carries out emulsion reaction 2.5h, again it is dripped to the Sodium Persulfate solution of the 2.25mol/L of 10mL, ensure that rate of addition is that 2s/ drips, simultaneously to its isothermal reaction 2.5h; After its constant temperature terminates, after making it be cooled to room temperature, to the calcium chloride solution of the 0.85mol/L that it drips and sodium lauryl sulphate is identical in quality, after it is added dropwise to complete, vacuum filtration is carried out to it, with distilled water repetitive scrubbing filter cake and after suction filtration 2 times, and be after the ethanolic soln repetitive scrubbing suction filtration 2 times of 50% with massfraction, filter cake is placed in 85 DEG C of baking oven 22h, dry Properties of Polystyrene Nano Particles can be obtained; Thermal power generation is remained the cinder obtained screen, the colliery particle through particle diameter 1.5mm is obtained again by the milling device of 12MPa, be under the rotating speed of 1800r/min, 30kg cement is devoted in mixing and blending machine to stir 25min for the first time again at rotating speed, after first time has stirred, after speed adjustment to 1350r/min, be that 1:0.03 drops into additive in mix and blend by cement and additives ratio, carry out second time and stir 25min; After secondary stirring is complete, mixing and blending machine is adjusted to 1600r/min, be that 1:2:15 drops into coal slag granules and Properties of Polystyrene Nano Particles in mix and blend by coal slag granules and Properties of Polystyrene Nano Particles and cement proportion, in mixing and blending machine, stir 15min carry out third time stirring, obtained cement slurry; By N, N-dinitrosopentamethylene tetramine whipping agent and water ratio are that 1:25 is configured, must be foamed mixed solution, again the foaming mixed solution identical in quality with additive is sent uniform foam by screw rod pumped type cement foam maker, cement slurry and whipping agent are incorporated in agitator simultaneously and stir, finally pour the foam cement mixed slurry stirred into die for molding, naturally dry and can obtain a kind of Properties of Polystyrene Nano Particles filling-foam cement heat preserving plate; The present invention is filled by Properties of Polystyrene Nano Particles particle, uses same time Fracture Width to reduce 40%; Filled by cinder, achieve resource recycling, environmental protection.
example 3
be 1:5 by sodium lauryl sulphate and deionized water volume ratio, sodium lauryl sulphate and deionized water are added in there-necked flask, 50 DEG C are warming up to it, under the speed of 500r/min, slow stirring makes sodium lauryl sulphate dissolve completely and solution clarification, then to its insulation 15min; By massfraction, choose the sodium lauryl sulphate of the insulation of 65 parts, the tertiary sodium phosphate of 20 parts, the vinylbenzene of 35 parts, 85 DEG C are warming up to it, stir 15min under 1000r/min after, after at moving to 95 DEG C, heating in water bath carries out emulsion reaction 3h, again it is dripped to the Sodium Persulfate solution of the 2.25mol/L of 10mL, ensure that rate of addition is that 2s/ drips, simultaneously to its isothermal reaction 3h; After its constant temperature terminates, after making it be cooled to room temperature, to the calcium chloride solution of the 0.85mol/L that it drips and sodium lauryl sulphate is identical in quality, after it is added dropwise to complete, vacuum filtration is carried out to it, with distilled water repetitive scrubbing filter cake and after suction filtration 3 times, and be after the ethanolic soln repetitive scrubbing suction filtration 3 times of 50% with massfraction, filter cake is placed in 90 DEG C of baking oven 24h, dry Properties of Polystyrene Nano Particles can be obtained; Thermal power generation is remained the cinder obtained screen, the colliery particle through particle diameter 1mm is obtained again by the milling device of 15MPa, be under the rotating speed of 2000r/min, 30kg cement is devoted in mixing and blending machine to stir 30min for the first time again at rotating speed, after first time has stirred, after speed adjustment to 1500r/min, be that 1:0.03 drops into additive in mix and blend by cement and additives ratio, carry out second time and stir 30min; After secondary stirring is complete, mixing and blending machine is adjusted to 1700r/min, be that 1:2:15 drops into coal slag granules and Properties of Polystyrene Nano Particles in mix and blend by coal slag granules and Properties of Polystyrene Nano Particles and cement proportion, in mixing and blending machine, stir 30min carry out third time stirring, obtained cement slurry; By N, N-dinitrosopentamethylene tetramine whipping agent and water ratio are that 1:25 is configured, must be foamed mixed solution, again the foaming mixed solution identical in quality with additive is sent uniform foam by screw rod pumped type cement foam maker, cement slurry and whipping agent are incorporated in agitator simultaneously and stir, finally pour the foam cement mixed slurry stirred into die for molding, naturally dry and can obtain a kind of Properties of Polystyrene Nano Particles filling-foam cement heat preserving plate; The present invention is filled by Properties of Polystyrene Nano Particles particle, uses same time Fracture Width to reduce 50%; Filled by cinder, achieve resource recycling, environmental protection.
Claims (2)
1. a preparation method for Properties of Polystyrene Nano Particles filling-foam cement heat preserving plate, is characterized in that concrete preparation process is:
(1) be 1:5 by sodium lauryl sulphate and deionized water volume ratio, sodium lauryl sulphate and deionized water are added in there-necked flask, 30 ~ 50 DEG C are warming up to it, under the speed of 300 ~ 500r/min, slow stirring makes sodium lauryl sulphate dissolve completely and solution clarification, then to its insulation 10 ~ 15min;
(2) by massfraction, choose the sodium lauryl sulphate of the insulation of 20 ~ 65 parts, the tertiary sodium phosphate of 20 ~ 45 parts, the vinylbenzene of 15 ~ 35 parts, 75 ~ 85 DEG C are warming up to it, stir 10 ~ 15min under 800 ~ 1000r/min after, after at moving to 95 DEG C, heating in water bath carries out emulsion reaction 2 ~ 3h, again it is dripped to the Sodium Persulfate solution of the 2.25mol/L of 10mL, ensure that rate of addition is that 2s/ drips, simultaneously to its isothermal reaction 2 ~ 3h;
(3) after its constant temperature terminates, after making it be cooled to room temperature, to the calcium chloride solution of the 0.85mol/L that it drips and sodium lauryl sulphate is identical in quality, after it is added dropwise to complete, vacuum filtration is carried out to it, with distilled water repetitive scrubbing filter cake and after suction filtration 2 ~ 3 times, and be after the ethanolic soln repetitive scrubbing suction filtration 2 ~ 3 times of 50% with massfraction, filter cake is placed in 80 ~ 90 DEG C of baking oven 20 ~ 24h, dry Properties of Polystyrene Nano Particles can be obtained;
(4) thermal power generation is remained the cinder obtained to screen, the colliery particle through particle diameter≤2mm is obtained again by the milling device of 10 ~ 15MPa, be under the rotating speed of 1500 ~ 2000r/min, 30kg cement is devoted first time stirring 20 ~ 30min in mixing and blending machine again at rotating speed, after first time has stirred, after speed adjustment to 1200 ~ 1500r/min, be that 1:0.03 drops into additive in mix and blend by cement and additives ratio, carry out second time and stir 20 ~ 30min;
(5) after secondary stirring is complete, mixing and blending machine is adjusted to 1500 ~ 1700r/min, be that 1:2:15 drops into coal slag granules and Properties of Polystyrene Nano Particles in mix and blend by coal slag granules and Properties of Polystyrene Nano Particles and cement proportion, in mixing and blending machine, stir 5 ~ 30min carry out third time stirring, obtained cement slurry;
(6) by N, N-dinitrosopentamethylene tetramine whipping agent and water ratio are that 1:25 is configured, must be foamed mixed solution, again the foaming mixed solution identical in quality with additive is sent uniform foam by screw rod pumped type cement foam maker, cement slurry and whipping agent are incorporated in agitator simultaneously and stir, finally pour the foam cement mixed slurry stirred into die for molding, naturally dry and can obtain a kind of Properties of Polystyrene Nano Particles filling-foam cement heat preserving plate.
2. the preparation method of a kind of cinder cement insulation board according to claims 1, is characterized in that: described additive is polyacrylamide water-holding agent in mass ratio: carbon black pellet strengthening agent: sodium lignin sulfonate water reducer: trolamine=2:5:6:8 carries out the cement additire of proportioning.
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| CN201510576158.8A CN105236859A (en) | 2015-09-11 | 2015-09-11 | Polystyrene nanometer microsphere filled foaming cement thermal insulation plate preparation method |
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| CN201510576158.8A CN105236859A (en) | 2015-09-11 | 2015-09-11 | Polystyrene nanometer microsphere filled foaming cement thermal insulation plate preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082884A (en) * | 2016-06-12 | 2016-11-09 | 南京大学 | A kind of insulating light wall slab containing solid waste cinder and preparation technology |
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| WO2007111859A2 (en) * | 2006-03-22 | 2007-10-04 | Nova Chemicals Inc. | Lightweight concrete compositions containing antimicrobial agents |
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| CN101669518A (en) * | 2009-09-30 | 2010-03-17 | 北京欧凯纳斯科技有限公司 | Germicidal antiviral composite containing chlorine dioxide |
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2015
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| WO2007111859A2 (en) * | 2006-03-22 | 2007-10-04 | Nova Chemicals Inc. | Lightweight concrete compositions containing antimicrobial agents |
| CN101139194A (en) * | 2007-08-16 | 2008-03-12 | 李积平 | Method for preparing foaming concrete lightweight wall material |
| CN101669518A (en) * | 2009-09-30 | 2010-03-17 | 北京欧凯纳斯科技有限公司 | Germicidal antiviral composite containing chlorine dioxide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082884A (en) * | 2016-06-12 | 2016-11-09 | 南京大学 | A kind of insulating light wall slab containing solid waste cinder and preparation technology |
| CN106082884B (en) * | 2016-06-12 | 2019-05-31 | 南京大学 | A kind of insulating light wall slab and preparation process containing solid waste cinder |
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Application publication date: 20160113 |