CN115506536A - Lightweight reinforced ceramsite concrete wallboard and preparation process thereof - Google Patents

Lightweight reinforced ceramsite concrete wallboard and preparation process thereof Download PDF

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CN115506536A
CN115506536A CN202211150439.3A CN202211150439A CN115506536A CN 115506536 A CN115506536 A CN 115506536A CN 202211150439 A CN202211150439 A CN 202211150439A CN 115506536 A CN115506536 A CN 115506536A
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stirring
composite material
parts
titanium dioxide
concrete wallboard
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CN115506536B (en
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章利文
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Zhongyan Prefabricated Architectural Design And Construction Huai'an Co ltd
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Zhongyan Prefabricated Architectural Design And Construction Huai'an Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/3405—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/343—Crack resistant materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40—Porous or lightweight materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • 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

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention relates to the field of building wallboards, in particular to a lightweight reinforced ceramsite concrete wallboard and a preparation process thereof. The carbon nano tube loaded with the composite material is obtained by compounding a microcapsule adhesive coated with perlite, titanium dioxide and an oxidized carbon nano tube. The light-weight reinforced ceramsite concrete wallboard has the advantages of high strength, good heat insulation performance and sound insulation performance.

Description

Lightweight reinforced ceramsite concrete wallboard and preparation process thereof
Technical Field
The invention relates to the field of building wallboards, in particular to a lightweight reinforced ceramsite concrete wallboard and a preparation process thereof.
Background
The light steel bar ceramsite wall board is a material widely applied to external partition walls of office buildings and dormitory buildings, and the heat conductivity coefficient of the light steel bar ceramsite wall board is close to that of wood and is smaller than that of bricks, so that the heat transfer speed is slower, and the light steel bar ceramsite wall board can be used as a good indoor wall board material. The light-weight reinforced ceramsite concrete wallboard has the characteristics of good sound insulation and heat insulation effects, light unit volume weight, long service life and the like, and the light-weight reinforced ceramsite concrete wallboard does not need to be painted and has high construction efficiency.
In order to strengthen the strength of the lightweight reinforced ceramsite concrete wallboard and enable the lightweight reinforced ceramsite concrete wallboard to meet the installation conditions, the application provides the lightweight reinforced ceramsite concrete wallboard and the preparation process thereof.
Disclosure of Invention
The invention aims to provide a light-weight reinforced ceramsite concrete wallboard and a preparation process thereof, which aim to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme:
a preparation process of a light-weight reinforced ceramsite concrete wallboard comprises the following steps:
the method comprises the following steps: taking a carbon oxide nanotube and deionized water, carrying out ultrasonic dispersion for 20-30min to obtain a carbon oxide nanotube dispersion liquid, adding an aminated titanium dioxide-microcapsule composite material, stirring for 1-2h, heating, reacting for 4-6h at 60-70 ℃, filtering, washing, and drying to obtain a carbon nanotube loaded with a composite material;
step two: uniformly stirring cement, fly ash, a fiber material, cellulose, a water reducing agent and a carbon nano tube loaded with a composite material to obtain a premix, uniformly stirring ceramsite, elutriation sand and water, adding a foaming agent and the premix, and continuously stirring for 4-6min to obtain a mixed slurry; fixing the steel bar welding net and the extruded polystyrene foam board, pouring the wallboard by using the mixed slurry, vibrating and compacting, and curing and forming to obtain the light-weight steel bar ceramsite concrete wallboard.
Preferably, the lightweight steel-reinforced ceramsite concrete wallboard comprises the following components: 160-200 parts of cement, 180-220 parts of ceramsite, 180-220 parts of fly ash, 150-235 parts of sand washing, 3-4.5 parts of water reducing agent, 0.5-2 parts of fiber material, 3.2-4.5 parts of foaming agent, 1.2-2 parts of cellulose, 15-20 parts of carbon nano tube loaded with composite material and 350-360 parts of water.
Preferably, in the step one, the preparation method of the aminated titanium dioxide-microcapsule composite material comprises the following steps: taking KH550 and deionized water, stirring uniformly to obtain a KH550 solution, taking titanium dioxide-microcapsule composite material and absolute ethyl alcohol, stirring uniformly, carrying out ultrasonic dispersion for 20-30min to obtain a dispersion liquid, adding the dispersion liquid into the KH550 solution, stirring for 2-3h at 65-72 ℃, filtering, and drying to obtain the aminated titanium dioxide-microcapsule composite material.
Preferably, the preparation method of the titanium dioxide-microcapsule composite material comprises the following steps: the method comprises the following steps:
step A: preparing a microcapsule adhesive coated with perlite:
uniformly stirring sodium alginate and deionized water at 55-60 ℃, adding epoxy resin, sodium benzenesulfonate and expanded perlite, and stirring for 1-2h to obtain a mixed solution A; taking calcium chloride and 100mL of deionized water, uniformly stirring, adding acetic acid, and uniformly stirring to obtain a mixed solution B; injecting the mixed solution A into the mixed solution B, reacting for 3-4h, taking out, washing and drying to obtain a microcapsule adhesive coated with perlite;
and B, step B: preparing a titanium dioxide-microcapsule composite material:
stirring titanium dioxide, a microcapsule adhesive coated with perlite and deionized water at 50-60 ℃ for 50-70min, standing for 1-2h, filtering, washing and drying to obtain the titanium dioxide-microcapsule composite material.
Preferably, in the step one, the preparation method of the carbon oxide nanotube comprises: taking carbon nano tubes, nitric acid and sulfuric acid, stirring uniformly, heating to 100-110 ℃, continuing stirring for 1-1.5h, filtering, washing, and drying at 55-60 ℃ for 10-12h to obtain the oxidized carbon nano tubes.
Preferably, the water reducing agent is a naphthalene-based high-efficiency water reducing agent.
Preferably, the fiber material is any one or more of glass fiber, carbon fiber, basalt fiber and polypropylene fiber.
Preferably, the cellulose is hydroxypropyl methylcellulose.
Preferably, the foaming agent is sodium alpha-alkenyl sulfonate.
Compared with the prior art, the invention has the following beneficial effects:
(1) Sodium alginate is used as a shell material to coat the epoxy resin adhesive, when concrete cracks, the expansion of the cracks leads the wall layer of the microcapsule adhesive coating perlite to break, the epoxy resin is released, the epoxy resin can permeate into the cracks to bond the cracks, and the impermeability and durability of the concrete wallboard are improved. Meanwhile, in order to prevent the sodium alginate from swelling and blocking cracks due to water absorption when the sodium alginate is mixed in the ceramsite, the expanded perlite is added, and the sodium alginate is coated with the expanded perlite through the reaction of hydroxyl on the expanded perlite and carboxyl on the sodium alginate. Meanwhile, the expanded perlite has good heat insulation property and mechanical property, and can improve the heat insulation property of the reinforced ceramsite concrete wallboard.
(2) The microcapsule adhesive coated with the perlite and the titanium dioxide are compounded together, so that the condition that the performance of the concrete is influenced by agglomeration of the microcapsule adhesive coated with the perlite is prevented. The titanium dioxide-microcapsule composite material is subjected to amination treatment, and the aminated titanium dioxide-microcapsule composite material and carboxyl groups on the carbon oxide nano tubes have hydrogen bond action, so that the aminated titanium dioxide-microcapsule composite material is loaded on the carbon oxide nano tubes, the dispersibility of the carbon oxide nano tubes is improved, the carbon oxide nano tubes are not easy to agglomerate, and the mechanical property of the steel bar ceramsite concrete wallboard is improved.
(3) Any one or more fiber materials of glass fiber, carbon fiber, basalt fiber and polypropylene fiber are added into the concrete, the fiber is supported in the concrete in a three-dimensional disorder manner, and when the ceramsite floats upwards in a system, the ceramsite is hindered by the fiber materials, so that the floating of the ceramsite is limited, and the homogeneity of the reinforced ceramsite concrete wallboard is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The method comprises the following steps: preparing a microcapsule adhesive coated with perlite:
taking 3.5g of sodium alginate and 100mL of deionized water, stirring uniformly at 57 ℃, adding 20g of epoxy resin, 20mL of sodium benzenesulfonate and 6g of expanded perlite, and stirring for 1.5h to obtain a mixed solution A; 5g of calcium chloride and 100mL of deionized water are taken, stirred uniformly, 10mL of acetic acid is added, and stirred uniformly to obtain a mixed solution B; and injecting the mixed solution A into the mixed solution B, reacting for 3.5h, taking out, washing and drying to obtain the microcapsule adhesive coated with the perlite.
The expanded perlite is purchased from GmbH, believed Yang, mitsu.
Step two: preparing a titanium dioxide-microcapsule composite material:
taking 8g of titanium dioxide, 5g of perlite-coated microcapsule adhesive and 150mL of deionized water, stirring for 60min at 55 ℃, standing for 1.5h, filtering, washing and drying to obtain the titanium dioxide-microcapsule composite material.
Step three: preparing an aminated titanium dioxide-microcapsule composite material:
uniformly stirring 1.2gKH550 and 30mL of deionized water to obtain KH550 solution, uniformly stirring 8g of titanium dioxide-microcapsule composite material and 50mL of absolute ethyl alcohol, performing ultrasonic dispersion for 25min to obtain dispersion, adding the dispersion into the KH550 solution, stirring for 2.5h at 68 ℃, filtering, and drying to obtain the aminated titanium dioxide-microcapsule composite material.
Step four: preparing the oxidized carbon nanotube:
0.5g of carbon nano tube, 200mL of nitric acid and 60mL of sulfuric acid are taken, uniformly stirred, heated to 105 ℃, continuously stirred for 1.2h, filtered, washed until the pH value is 7, and dried for 11h at 57 ℃ to obtain the oxidized carbon nano tube.
Step five: preparing the carbon nano tube loaded with the composite material:
and (2) taking 0.4g of carbon dioxide nanotube and 40mL of deionized water, carrying out ultrasonic dispersion for 25min to obtain carbon dioxide nanotube dispersion liquid, adding 4g of aminated titanium dioxide-microcapsule composite material, stirring for 1.5h, heating, reacting for 5h at 65 ℃, filtering, washing and drying to obtain the carbon nanotube loaded with the composite material.
Step six: the preparation method of the light-weight reinforced ceramsite concrete wallboard comprises the following steps:
uniformly stirring cement, fly ash, carbon fiber, hydroxypropyl methyl cellulose, a naphthalene-based superplasticizer and a composite-material-loaded carbon nano tube to obtain a premix, uniformly stirring ceramsite, elutriation and water, adding alpha-sodium alkenyl sulfonate and the premix, and continuously stirring for 5min to obtain a mixed slurry; fixing the steel bar welding net and the extruded polystyrene foam board, pouring the wallboard by using the mixed slurry, vibrating and compacting, and curing and forming to obtain the light-weight steel bar ceramsite concrete wallboard with the wallboard thickness of 150 mm.
The lightweight reinforced ceramsite concrete wallboard comprises the following components: by weight, 180 parts of cement, 200 parts of ceramsite, 200 parts of fly ash, 180 parts of sand washing, 4 parts of naphthalene-based superplasticizer, 1.5 parts of carbon fiber, 3.5 parts of alpha-alkenyl sodium sulfonate, 1.7 parts of hydroxypropyl methyl cellulose, 17 parts of composite-loaded carbon nano tube and 355 parts of water.
The naphthalene-based superplasticizer is purchased from Shandong Xiang Sho novel materials Co.
The sodium alpha-alkenyl sulfonate is purchased from the chemical technology Limited of the commercial navigation in Jinan.
The hydroxypropyl methylcellulose was purchased from Jining kepeng chemical Co., ltd.
Example 2
The method comprises the following steps: preparing a microcapsule adhesive coated with perlite:
taking 3.5g of sodium alginate and 100mL of deionized water, uniformly stirring at 55 ℃, adding 20g of epoxy resin, 20mL of sodium benzenesulfonate and 6g of expanded perlite, and stirring for 1 hour to obtain a mixed solution A; 5g of calcium chloride and 100mL of deionized water are taken, stirred uniformly, 10mL of acetic acid is added, and stirred uniformly to obtain a mixed solution B; and injecting the mixed solution A into the mixed solution B, reacting for 3 hours, taking out, washing and drying to obtain the microcapsule adhesive coated with the perlite.
The expanded perlite is purchased from GmbH, believed Yang, mitsu.
Step two: preparing a titanium dioxide-microcapsule composite material:
taking 8g of titanium dioxide, 5g of perlite-coated microcapsule adhesive and 150mL of deionized water, stirring for 50min at 50 ℃, standing for 1h, filtering, washing and drying to obtain the titanium dioxide-microcapsule composite material.
Step three: preparation of aminated titanium dioxide-microcapsule composite material:
uniformly stirring 1.2gKH550 and 30mL of deionized water to obtain KH550 solution, uniformly stirring 8g of titanium dioxide-microcapsule composite material and 50mL of absolute ethanol, performing ultrasonic dispersion for 20min to obtain dispersion, adding the dispersion into the KH550 solution, stirring for 2h at 65 ℃, filtering, and drying to obtain the aminated titanium dioxide-microcapsule composite material.
Step four: preparing the oxidized carbon nanotube:
0.5g of carbon nano tube, 200mL of nitric acid and 60mL of sulfuric acid are taken, uniformly stirred, heated to 100 ℃, continuously stirred for 1h, filtered, washed until the pH value is 7, and dried for 10h at 55 ℃ to obtain the oxidized carbon nano tube.
Step five: preparing the carbon nano tube loaded with the composite material:
and (2) taking 0.4g of carbon dioxide nanotube and 40mL of deionized water, carrying out ultrasonic dispersion for 20min to obtain carbon dioxide nanotube dispersion liquid, adding 4g of aminated titanium dioxide-microcapsule composite material, stirring for 1h, heating, reacting for 4h at 60 ℃, filtering, washing and drying to obtain the carbon nanotube loaded with the composite material.
Step six: the preparation method of the light-weight reinforced ceramsite concrete wallboard comprises the following steps:
uniformly stirring cement, fly ash, glass fiber, hydroxypropyl methyl cellulose, a naphthalene-based superplasticizer and a carbon nano tube loaded with a composite material to obtain a premix, uniformly stirring ceramsite, elutriation and water, adding alpha-sodium alkenyl sulfonate and the premix, and continuously stirring for 5min to obtain a mixed slurry; fixing the steel bar welding net and the extruded polystyrene foam board, pouring the wallboard by using the mixed slurry, vibrating and compacting, and curing and forming to obtain the lightweight steel bar ceramsite concrete wallboard with the wallboard thickness of 150 mm.
The lightweight reinforced ceramsite concrete wallboard comprises the following components: 160 parts of cement, 180 parts of ceramsite, 180 parts of fly ash, 150 parts of sand washing, 3 parts of naphthalene-based superplasticizer, 0.5 part of glass fiber, 3.2 parts of alpha-alkenyl sodium sulfonate, 1.2 parts of hydroxypropyl methyl cellulose, 15 parts of carbon nano tube loaded with composite material and 350 parts of water.
The naphthalene-based superplasticizer is purchased from Shandong Xiang Showa novel materials Co.
The sodium alpha-alkenyl sulfonate is purchased from the chemical technology Limited of the commercial navigation in Jinan.
The hydroxypropyl methylcellulose was purchased from Jining kepeng chemical Co., ltd.
Example 3
The method comprises the following steps: preparing a microcapsule adhesive coated with perlite:
taking 3.5g of sodium alginate and 100mL of deionized water, uniformly stirring at 60 ℃, adding 20g of epoxy resin, 20mL of sodium benzenesulfonate and 6g of expanded perlite, and stirring for 2 hours to obtain a mixed solution A; 5g of calcium chloride and 100mL of deionized water are taken, stirred uniformly, 10mL of acetic acid is added, and stirred uniformly to obtain a mixed solution B; and injecting the mixed solution A into the mixed solution B, reacting for 4 hours, taking out, washing and drying to obtain the microcapsule adhesive coated with the perlite.
The expanded perlite is purchased from GmbH, believed Yang, mitsu.
Step two: preparing a titanium dioxide-microcapsule composite material:
taking 8g of titanium dioxide, 5g of perlite-coated microcapsule adhesive and 150mL of deionized water, stirring for 70min at 60 ℃, standing for 2h, filtering, washing and drying to obtain the titanium dioxide-microcapsule composite material.
Step three: preparation of aminated titanium dioxide-microcapsule composite material:
uniformly stirring 1.2gKH550 and 30mL of deionized water to obtain KH550 solution, uniformly stirring 8g of titanium dioxide-microcapsule composite material and 50mL of absolute ethyl alcohol, performing ultrasonic dispersion for 30min to obtain dispersion, adding the dispersion into the KH550 solution, stirring for 3h at 72 ℃, filtering, and drying to obtain the aminated titanium dioxide-microcapsule composite material.
Step four: preparing the oxidized carbon nanotube:
0.5g of carbon nano tube, 200mL of nitric acid and 60mL of sulfuric acid are taken, uniformly stirred, heated to 110 ℃, continuously stirred for 1.5h, filtered, washed until the pH value is 7, and dried for 12h at 60 ℃ to obtain the oxidized carbon nano tube.
Step five: preparing the carbon nano tube loaded with the composite material:
and (2) taking 0.4g of carbon dioxide nanotube and 40mL of deionized water, carrying out ultrasonic dispersion for 30min to obtain carbon dioxide nanotube dispersion liquid, adding 4g of aminated titanium dioxide-microcapsule composite material, stirring for 2h, heating, reacting at 70 ℃ for 6h, filtering, washing, and drying to obtain the carbon nanotube loaded with the composite material.
Step six: the preparation method of the light-weight reinforced ceramsite concrete wallboard comprises the following steps:
uniformly stirring cement, fly ash, basalt fiber, hydroxypropyl methyl cellulose, a naphthalene-based high-efficiency water reducing agent and a carbon nano tube loaded with a composite material to obtain a premix, uniformly stirring ceramsite, elutriation and water, adding alpha-sodium alkenyl sulfonate and the premix, and continuously stirring for 5min to obtain a mixed slurry; fixing the steel bar welding net and the extruded polystyrene foam board, pouring the wallboard by using the mixed slurry, vibrating and compacting, and curing and forming to obtain the lightweight steel bar ceramsite concrete wallboard with the wallboard thickness of 150 mm.
The lightweight reinforced ceramsite concrete wallboard comprises the following components: 200 parts of cement, 220 parts of ceramsite, 220 parts of fly ash, 235 parts of elutriation sand, 4.5 parts of naphthalene-based superplasticizer, 2 parts of basalt fiber, 4.5 parts of alpha-alkenyl sodium sulfonate, 2 parts of hydroxypropyl methyl cellulose, 20 parts of carbon nano tube loaded with a composite material and 360 parts of water.
The naphthalene-based superplasticizer is purchased from Shandong Xiang Showa novel materials Co.
The sodium alpha-alkenyl sulfonate is purchased from the chemical technology Limited of the commercial navigation in Jinan.
The hydroxypropyl methylcellulose was purchased from Jining kepeng chemical Co., ltd.
Example 4: the same procedure as in example 1 was repeated except that the expanded perlite was not added.
The method comprises the following steps: preparation of microcapsule adhesive:
taking 3.5g of sodium alginate and 100mL of deionized water, uniformly stirring at 57 ℃, adding 20g of epoxy resin and 20mL of sodium benzenesulfonate, and stirring for 1.5 hours to obtain a mixed solution A; 5g of calcium chloride and 100mL of deionized water are taken, stirred uniformly, 10mL of acetic acid is added, and stirred uniformly to obtain a mixed solution B; and injecting the mixed solution A into the mixed solution B, reacting for 3.5h, taking out, washing and drying to obtain the microcapsule adhesive.
Step two: preparing a titanium dioxide-microcapsule composite material:
and (3) taking 8g of titanium dioxide, 5g of microcapsule adhesive and 150mL of deionized water, stirring for 60min at 55 ℃, standing for 1.5h, filtering, washing and drying to obtain the titanium dioxide-microcapsule composite material.
Step three: preparation of aminated titanium dioxide-microcapsule composite material:
uniformly stirring 1.2gKH550 and 30mL of deionized water to obtain KH550 solution, uniformly stirring 8g of titanium dioxide-microcapsule composite material and 50mL of absolute ethyl alcohol, performing ultrasonic dispersion for 25min to obtain dispersion, adding the dispersion into the KH550 solution, stirring for 2.5h at 68 ℃, filtering, and drying to obtain the aminated titanium dioxide-microcapsule composite material.
Step four: preparing the oxidized carbon nanotube:
0.5g of carbon nano tube, 200mL of nitric acid and 60mL of sulfuric acid are taken, uniformly stirred, heated to 105 ℃, continuously stirred for 1.2h, filtered, washed until the pH value is 7, and dried for 11h at 57 ℃ to obtain the oxidized carbon nano tube.
Step five: preparing the carbon nano tube loaded with the composite material:
and (2) taking 0.4g of carbon dioxide nanotube and 40mL of deionized water, carrying out ultrasonic dispersion for 25min to obtain carbon dioxide nanotube dispersion liquid, adding 4g of aminated titanium dioxide-microcapsule composite material, stirring for 1.5h, heating, reacting for 5h at 65 ℃, filtering, washing and drying to obtain the carbon nanotube loaded with the composite material.
Step six: the preparation method of the light-weight reinforced ceramsite concrete wallboard comprises the following steps:
uniformly stirring cement, fly ash, carbon fibers, hydroxypropyl methyl cellulose, a naphthalene-based superplasticizer and carbon nanotubes loaded with a composite material to obtain a premix, uniformly stirring ceramsite, elutriation and water, adding alpha-sodium alkenyl sulfonate and the premix, and continuously stirring for 5min to obtain a mixed slurry; fixing the steel bar welding net and the extruded polystyrene foam board, pouring the wallboard by using the mixed slurry, vibrating and compacting, and curing and forming to obtain the light-weight steel bar ceramsite concrete wallboard with the wallboard thickness of 150 mm.
The lightweight reinforced ceramsite concrete wallboard comprises the following components: according to the weight parts, 180 parts of cement, 200 parts of ceramsite, 200 parts of fly ash, 180 parts of elutriation sand, 4 parts of naphthalene-based superplasticizer, 1.5 parts of carbon fiber, 3.5 parts of alpha-alkenyl sodium sulfonate, 1.7 parts of hydroxypropyl methyl cellulose, 17 parts of composite material-loaded carbon nano tube and 355 parts of water.
The naphthalene-based superplasticizer is purchased from Shandong Xiang Showa novel materials Co.
The sodium alpha-alkenyl sulfonate is purchased from the chemical technology Limited of the commercial navigation in Jinan.
The hydroxypropyl methylcellulose was purchased from Jinningxipeng chemical Co., ltd.
Example 5: the titanium dioxide was not compounded, and the rest was the same as in example 1.
The method comprises the following steps: preparing a microcapsule adhesive coated with perlite:
taking 3.5g of sodium alginate and 100mL of deionized water, stirring uniformly at 57 ℃, adding 20g of epoxy resin, 20mL of sodium benzenesulfonate and 6g of expanded perlite, and stirring for 1.5h to obtain a mixed solution A; 5g of calcium chloride and 100mL of deionized water are taken, stirred uniformly, 10mL of acetic acid is added, and stirred uniformly to obtain a mixed solution B; and injecting the mixed solution A into the mixed solution B, reacting for 3.5h, taking out, washing and drying to obtain the microcapsule adhesive coated with the perlite.
Step two: preparing the oxidized carbon nanotube:
0.5g of carbon nano tube, 200mL of nitric acid and 60mL of sulfuric acid are taken, uniformly stirred, heated to 105 ℃, continuously stirred for 1.2h, filtered, washed until the pH value is 7, and dried for 11h at 57 ℃ to obtain the oxidized carbon nano tube.
Step three: the preparation method of the light-weight reinforced ceramsite concrete wallboard comprises the following steps:
uniformly stirring cement, fly ash, carbon fiber, hydroxypropyl methyl cellulose, a naphthalene-based high-efficiency water reducing agent, a carbon oxide nanotube and a microcapsule adhesive coated with perlite to obtain a premix, uniformly stirring ceramsite, elutriation and water, adding alpha-alkenyl sodium sulfonate and the premix, and continuously stirring for 5min to obtain a mixed slurry; fixing the steel bar welding net and the extruded polystyrene foam board, pouring the wallboard by using the mixed slurry, vibrating and compacting, and curing and forming to obtain the lightweight steel bar ceramsite concrete wallboard with the wallboard thickness of 150 mm.
The lightweight reinforced ceramsite concrete wallboard comprises the following components: by weight, 180 parts of cement, 200 parts of ceramsite, 200 parts of fly ash, 180 parts of sand washing, 4 parts of naphthalene-based superplasticizer, 1.5 parts of carbon fiber, 3.5 parts of microcapsule binder-loaded carbon nano tube, 1.7 parts of hydroxypropyl methyl cellulose, 1 part of carbon oxide nano tube, 14 parts of perlite-coated microcapsule binder and 355 parts of water.
The naphthalene-based superplasticizer is purchased from Shandong Xiang Sho novel materials Co.
The sodium alpha-alkenyl sulfonate is purchased from the chemical technology Limited of the commercial navigation in Jinan.
The hydroxypropyl methylcellulose was purchased from Jinningxipeng chemical Co., ltd.
Experiment of the invention
The lightweight steel reinforced ceramsite concrete wallboard prepared in the examples 1 to 5 is subjected to a performance test, the compression strength and the impact resistance of the wallboard are tested according to the GB/T23450-2009 thermal insulation batten for the building partition wall, and the obtained data are shown in the following table:
Figure BDA0003856176930000091
and (4) conclusion: as can be seen from the comparison of the data in the table, the mechanical property and the thermal insulation property of the wallboard are reduced when the microcapsule adhesive is coated without the expanded perlite in the example 4. Example 5 does not compound titanium dioxide, the microcapsule binder coating perlite is easy to agglomerate, the compressive strength is 11.9Mpa, and compared with examples 1 to 3, the compressive strength is reduced, the mechanical property is poor, and the mechanical property of the wallboard is affected.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A preparation technology of a light-weight reinforced ceramsite concrete wallboard is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: taking a carbon oxide nanotube and deionized water, carrying out ultrasonic dispersion for 20-30min to obtain a carbon oxide nanotube dispersion liquid, adding an aminated titanium dioxide-microcapsule composite material, stirring for 1-2h, heating, reacting for 4-6h at 60-70 ℃, filtering, washing, and drying to obtain a carbon nanotube loaded with a composite material;
step two: uniformly stirring cement, fly ash, a fiber material, cellulose, a water reducing agent and a carbon nano tube loaded with a composite material to obtain a premix, uniformly stirring ceramsite, elutriation sand and water, adding a foaming agent and the premix, and continuously stirring for 4-6min to obtain a mixed slurry; fixing the steel bar welding net and the extruded polystyrene foam board, pouring the wallboard by using the mixed slurry, vibrating and compacting, and curing and forming to obtain the lightweight steel bar ceramsite concrete wallboard.
2. The preparation process of the lightweight reinforced ceramsite concrete wallboard according to claim 1, is characterized in that: the lightweight reinforced ceramsite concrete wallboard comprises the following components: 160-200 parts of cement, 180-220 parts of ceramsite, 180-220 parts of fly ash, 150-235 parts of elutriation sand, 3-4.5 parts of water reducing agent, 0.5-2 parts of fiber material, 3.2-4.5 parts of foaming agent, 1.2-2 parts of cellulose, 15-20 parts of composite material loaded carbon nano tube and 350-360 parts of water.
3. The preparation process of the lightweight reinforced steel bar ceramsite concrete wallboard according to claim 1, is characterized in that: in the first step, the preparation method of the aminated titanium dioxide-microcapsule composite material comprises the following steps: taking KH550 and deionized water, stirring uniformly to obtain a KH550 solution, taking titanium dioxide-microcapsule composite material and absolute ethyl alcohol, stirring uniformly, carrying out ultrasonic dispersion for 20-30min to obtain a dispersion liquid, adding the dispersion liquid into the KH550 solution, stirring for 2-3h at 65-72 ℃, filtering, and drying to obtain the aminated titanium dioxide-microcapsule composite material.
4. The preparation process of the lightweight reinforced ceramsite concrete wallboard according to claim 3, is characterized in that: the preparation method of the titanium dioxide-microcapsule composite material comprises the following steps: the method comprises the following steps:
step A: preparing a microcapsule adhesive coated with perlite:
uniformly stirring sodium alginate and deionized water at 55-60 ℃, adding epoxy resin, sodium benzenesulfonate and expanded perlite, and stirring for 1-2h to obtain a mixed solution A; taking calcium chloride and 100mL of deionized water, uniformly stirring, adding acetic acid, and uniformly stirring to obtain a mixed solution B; injecting the mixed solution A into the mixed solution B, reacting for 3-4h, taking out, washing and drying to obtain a microcapsule adhesive coated with perlite;
and B: preparing a titanium dioxide-microcapsule composite material:
stirring titanium dioxide, a microcapsule adhesive coated with perlite and deionized water at 50-60 ℃ for 50-70min, standing for 1-2h, filtering, washing and drying to obtain the titanium dioxide-microcapsule composite material.
5. The preparation process of the lightweight reinforced ceramsite concrete wallboard according to claim 1, is characterized in that: in the first step, the preparation method of the carbon oxide nanotube comprises the following steps: taking carbon nano tubes, nitric acid and sulfuric acid, stirring uniformly, heating to 100-110 ℃, continuing stirring for 1-1.5h, filtering, washing, and drying at 55-60 ℃ for 10-12h to obtain the oxidized carbon nano tubes.
6. The preparation process of the lightweight reinforced steel bar ceramsite concrete wallboard according to claim 1, is characterized in that: the water reducing agent is a naphthalene high-efficiency water reducing agent.
7. The preparation process of the lightweight reinforced ceramsite concrete wallboard according to claim 1, is characterized in that: the fiber material is any one or more of glass fiber, carbon fiber, basalt fiber and polypropylene fiber.
8. The preparation process of the lightweight reinforced ceramsite concrete wallboard according to claim 1, is characterized in that: the cellulose is hydroxypropyl methyl cellulose.
9. The preparation process of the lightweight reinforced ceramsite concrete wallboard according to claim 1, is characterized in that: the foaming agent is alpha-sodium alkenyl sulfonate.
10. The lightweight ceramsite concrete wall panel prepared by the preparation process of any one of claims 1-9.
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