CN113443880A - Light waterproof insulation board and preparation process thereof - Google Patents

Light waterproof insulation board and preparation process thereof Download PDF

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Publication number
CN113443880A
CN113443880A CN202111023202.4A CN202111023202A CN113443880A CN 113443880 A CN113443880 A CN 113443880A CN 202111023202 A CN202111023202 A CN 202111023202A CN 113443880 A CN113443880 A CN 113443880A
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parts
insulation board
waterproof insulation
beads
quartz particles
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CN113443880B (en
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蔡海峰
李智鸿
钟保民
张志文
张玉玮
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Foshan Dongpeng Ceramic Co Ltd
Foshan Dongpeng Ceramic Development Co Ltd
Guangdong Dongpeng Holdings Co Ltd
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Foshan Dongpeng Ceramic Co Ltd
Foshan Dongpeng Ceramic Development Co Ltd
Guangdong Dongpeng Holdings Co Ltd
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    • 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 invention discloses a light waterproof insulation board and a preparation process thereof, and belongs to the technical field of building materials. The lightweight waterproof insulation board comprises the following raw materials in parts by weight: 350 parts of cement, 280-165 parts of light inorganic material, 20-40 parts of fly ash, 10-15 parts of silica fume, 130 parts of quartz particles A, 10-15 parts of bentonite, 60-90 parts of quartz particles B, 6-10 parts of fiber and 6-14 parts of auxiliary agent; according to the invention, through the pretreatment of the floating beads, the water absorption of the lightweight waterproof insulation board can be reduced, the insulation performance of the insulation board can be ensured, and the problem of poor waterproof performance of most insulation boards is solved.

Description

Light waterproof insulation board and preparation process thereof
Technical Field
The invention relates to the technical field of insulation boards, in particular to a light waterproof insulation board and a preparation process thereof.
Background
With the development of economic construction and the improvement of working and living environment in China, the requirements of the building industry on the insulation board are higher and higher. At present, the heated board generally is loose, porous material, and inside contains the air of relative rest for the inside air of heated board does not produce the convection current, thereby makes the heated board can play good heat preservation effect.
Simultaneously, loose porous heated board water absorption rate is higher generally, and when the heated board wets, moisture immerges the heated board inside, the inside air of heated board is replaced by moisture. Since the thermal conductivity of water is 20 times greater than that of air. Therefore, the heat-conducting property of the heat-insulating plate after being affected with damp is obviously enhanced, the heat-insulating property is greatly reduced, and the higher the water content of the heat-insulating plate is, the lower the heat-insulating property is.
Most insulation board manufacturers hardly make a good waterproof insulation board. In extreme weather, the rainwater flows into in the heated board easily for the water absorption of heated board is high, causes the seepage hidden danger easily, thereby seriously influences the construction quality.
Disclosure of Invention
The invention aims to provide a light waterproof insulation board and a preparation process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a light waterproof insulation board comprises the following raw materials in parts by weight: 350 parts of cement, 280-165 parts of light inorganic material, 20-40 parts of fly ash, 10-15 parts of silica fume, 130 parts of quartz particles A, 10-15 parts of bentonite, 60-90 parts of quartz particles B, 6-10 parts of fiber and 6-14 parts of auxiliary agent.
Because the existing insulation board has poor waterproofness, the water absorption of the prepared lightweight waterproof insulation board is reduced to 4% and the heat conductivity coefficient is reduced to 0.55W/m.K by mixing various raw materials such as cement, lightweight inorganic materials, fly ash and silica fume, while the water absorption of the commercially available insulation board is 6% and the heat conductivity coefficient is 1.2W/m.K, experimental data can prove that the waterproof effect of the lightweight waterproof insulation board can be improved, the insulation effect of the lightweight waterproof insulation board can be enhanced, and the problems that most commercially available insulation boards are poor in waterproof effect, easy to cause leakage hidden danger and seriously affect the construction quality of buildings are solved.
It is worth explaining that the light inorganic material can be used as a filling aggregate of the light waterproof insulation board, so that the insulation effect of the light waterproof insulation board can be enhanced, and the internal pores of the light waterproof insulation board can be complicated, so that the waterproof effect of the light waterproof insulation board is improved.
In addition, fly ash and silica fume which both contain a large amount of SiO are added into the raw materials2Under the condition of autoclaving, the coal ash and the silica fume are matched with each other to improve the waterproof effect of the light waterproof insulation board. Wherein the network structure of the fly ash is destroyed to release the internal soluble SiO2And Al2O3The network polymer is depolymerized into low-degree aluminosilicate colloid, so that the chemical activity of the fly ash is improved; the silica fume has high content of active SiO2The hydration activity of a raw material system can be improved, the generation of tobermorite is promoted, the strength of the light waterproof insulation board is improved, the porosity is reduced, and the pore structure of the light waterproof insulation board is improved.
Quartz, bentonite, fibers and an auxiliary agent in the raw materials are mixed according to a preset proportion, so that the pores of the light waterproof insulation board can be filled, and a waterproof effect is achieved; the compactness of the light waterproof insulation board can be improved, so that the durability of the light waterproof insulation board is improved, and the service life of the light waterproof insulation board is prolonged.
Further, the light inorganic material comprises the following raw materials in parts by weight: 100 portions of modified floating beads and 150 portions of beads.
In the related experimental data, the water absorption rate of the insulation board without the floating beads and the micro beads is 6%, and the heat conductivity coefficient is 1.2W/m.K; the water absorption rate of the light waterproof insulation board prepared by adding the commercially available floating beads and the micro-beads is 10 percent, and the heat conductivity coefficient is 0.55W/m.K; the water absorption rate of the light waterproof insulation board prepared by adding the modified floating beads and the microbeads is 4 percent, and the heat conductivity coefficient is 0.055W/m.K.
Experiments prove that the light waterproof insulation board made of the floating beads and the microbeads on the market can improve the insulation effect and reduce the waterproof effect of the light waterproof insulation board. The light waterproof insulation board adopts the modified floating beads and the micro beads as light inorganic materials, and the modified floating beads and the micro beads are mixed according to a preset proportion, so that the water absorption of the light waterproof insulation board can be reduced while the heat insulation effect of the light waterproof insulation board is kept, and the waterproof performance of the light waterproof insulation board is enhanced.
Further, the modified floating bead comprises the following raw materials in parts by weight: 100-150 parts of floating bead, 2-4 parts of silane coupling agent, 3-6 parts of sodium methylsiliconate and 1-2 parts of polydimethylsiloxane.
According to the invention, a silane coupling agent is used as a bridging agent, a chemical bond with higher strength can be formed between the floating bead, sodium methylsiliconate and polydimethylsiloxane, and the coupling agent also has a certain modification treatment effect on the surface of the floating bead, so that a better hydrophobic effect is achieved in the light waterproof insulation board, and the problems that most of commercially available insulation boards are poor in waterproof effect, easy to cause leakage hidden danger and seriously affect the quality of building construction are solved.
The sodium methylsiliconate can interact with silane coupling agent, floating beads and polydimethylsiloxane, so that the floating beads have good hydrophobic effect and durability, and can also interact with raw materials such as cement and quartz particles, so that the generation of pores of the light waterproof insulation board can be effectively reduced, and the waterproof effect is further improved.
Further, the micro-beads are hollow glass micro-beads, and the density of the micro-beads is 0.18-0.25 g/cm3The particle size of the floating beads is 70-90 meshes.
It is worth explaining that the floating beads and the micro-beads are used as filling aggregates, so that the using amount of cement can be reduced, the shrinkage rate of the lightweight waterproof insulation board is reduced, and the strength of the lightweight waterproof insulation board can be improved. If the particle size of the floating beads and the density of the micro beads are too large, the flexural strength and the compressive strength of the lightweight waterproof heat-insulation board can be reduced; if the particle size of the floating beads and the density of the microbeads are too small, the viscosity of the raw material formula is easily increased, the water-cement ratio among the raw materials is improved, and the reduction of the water absorption of the lightweight waterproof insulation board is not facilitated.
Further, the quartz particles A are 100-200 mesh quartz particles, and the quartz particles B are 350-450 mesh quartz particles.
The quartz particles A and the quartz particles B can be uniformly dispersed in cement, so that the surface of the light waterproof heat-insulation board is fully covered with the two quartz particles. Meanwhile, the density of the light waterproof insulation board can be improved by the combination of the two quartz particles with different particle sizes, and the generation of capillary holes on the surface of the board is reduced, so that the surface of the light waterproof insulation board obtains a better hydrophobic effect, and meanwhile, the filling effect of the quartz particles A and the quartz particles B not only reduces the using amount of cement, but also can improve the strength of the light waterproof insulation board.
Further, the fibers are at least two of basalt fibers, alkali-resistant glass fibers and polypropylene fibers.
It is worth explaining that the light waterproof insulation board has the effect of reducing shrinkage by adopting the mutual mixing of various fibers and matching with the combined action of raw materials such as cement, quartz particles, bentonite and the like, so that the strength and the durability of the light waterproof insulation board can be improved, and the service life of the light waterproof insulation board is prolonged.
Further, the cement is any one or more of portland cement, ordinary portland cement and white portland cement.
The invention has no requirements on the strength grade and the grain diameter of the cement, so that a factory can obtain the cement from various ways, the production difficulty and the production cost of the light waterproof insulation board can be reduced, and the waste industrial waste which does not meet the requirements on the strength and the grain diameter can be recycled, thereby achieving the purpose of environmental protection. Wherein, the portland cement is a hydraulic cementing material prepared by grinding portland cement clinker, 0-5% of limestone or granulated blast furnace slag and a proper amount of gypsum and has the code of P.I or P.II according to the regulation of the national standard GB175-1999 portland cement and ordinary portland cement; the ordinary portland cement is a hydraulic cementing material with the code of P.O, which is prepared by grinding portland cement clinker, 6-15% of mixed material and a proper amount of gypsum. In addition, the strength and the durability of the light waterproof insulation board can be improved by mixing various kinds of cement, and the service life of the light waterproof insulation board is prolonged.
Further, the silane coupling agent is any one or more of a silane coupling agent KH-550, a silane coupling agent KH-560 and a silane coupling agent KH-570.
The combination performance of the sodium methylsiliconate, the polydimethylsiloxane and the floating beads can be improved by mixing a plurality of silane coupling agents according to a preset proportion, so that the durability of the light waterproof heat-insulation board can be improved.
Further, the auxiliary agent comprises the following raw materials in parts by weight: 2-4 parts of acrylate emulsion, 1-3 parts of expanding agent, 0.8-1.4 parts of defoaming agent, 2-4 parts of water reducing agent and 0.2-0.5 part of thickening agent.
The expanding agent is added in the formula of the invention, and the expanding agent can act together with bentonite, so that the effects of compensating dry shrinkage and compacting the light waterproof insulation board, improving the impermeability of the light waterproof insulation board and improving the density of the light waterproof insulation board are achieved.
In addition, materials such as acrylate emulsion, defoaming agent, water reducing agent and thickener can make light waterproof heated board have ageing-resistant, intensity high and not fragile advantage, have solved the easy wearing and tearing of commercial heated board, short service life's defect.
A preparation process of a light waterproof insulation board comprises the following steps:
step 1, weighing and uniformly mixing 150 parts of floating bead 100, 2-4 parts of silane coupling agent, 3-6 parts of sodium methylsiliconate, 1-2 parts of polydimethylsiloxane and 20-30 parts of water according to parts by weight, and then drying at the temperature of 50-80 ℃ to prepare the modified floating bead;
step 2, weighing and uniformly mixing 100-150 parts of the modified floating beads and 10-15 parts of the microbeads according to the parts by weight to prepare the light inorganic material;
step 3, weighing 350 parts of cement 280-plus materials, 165 parts of the light inorganic material 110-plus materials, 20-40 parts of fly ash, 10-15 parts of silica fume, 130 parts of quartz particles A100-plus materials, 10-15 parts of bentonite, 60-90 parts of quartz particles B, 6-10 parts of fibers, 2-4 parts of acrylate emulsion, 1-3 parts of expanding agents, 0.8-1.4 parts of defoaming agents, 2-4 parts of water reducing agents, 0.2-0.5 part of thickening agents and 130 parts of water 110-plus materials, uniformly mixing, then grouting, compacting and molding, then curing for 10-15 hours under the conditions that the temperature is 20-30 ℃ and the humidity is 80-100 percent, and demolding to prepare blanks;
and 4, placing the blank in an environment with the temperature of 150-180 ℃ and the pressure of 1-1.2 MPa for autoclave curing for 13-17 h to obtain the lightweight waterproof heat-insulation board.
The floating bead is dried in the environment with the temperature within the preset range, so that the interaction of the sodium methylsiliconate, the silane coupling agent and the polydimethylsiloxane can be accelerated, and a chemical bond with higher strength is formed on the surface of the floating bead, thereby obtaining the modified floating bead. After the modified floating beads and other raw materials are mixed according to a preset proportion, the maintenance temperature and humidity are controlled within a preset range, the yield of blank production can be improved, and the defective products of the light waterproof insulation board are reduced. After the blank is prepared, the production time of the light waterproof insulation board is adjusted by controlling the temperature and the pressure of the maintenance environment of the blank, the production period is shortened, and the economic benefit of producing the insulation board is improved.
The invention has the beneficial effects that:
according to the invention, floating beads are modified, and the modified floating beads and micro-beads are mixed according to a preset proportion, so that the heat insulation effect of the light waterproof heat insulation board can be improved, the water absorption rate of the light waterproof heat insulation board can be reduced, the waterproof performance of the light waterproof heat insulation board is enhanced, and the problems that most of commercially available heat insulation boards are poor in waterproof effect, easy to cause leakage hidden danger and seriously affect the quality of building construction are solved.
Detailed Description
The present invention will be further illustrated below by reference to examples and comparative examples.
Example 1
A light waterproof insulation board and a preparation process thereof comprise the following steps:
step 1, weighing 100 parts of floating beads, 2 parts of silane coupling agent, 3 parts of sodium methyl siliconate, 1 part of polydimethylsiloxane and 20 parts of water according to parts by weight, uniformly mixing, and drying at the temperature of 50 ℃ to prepare modified floating beads;
step 2, weighing 100 parts of the modified floating beads and 10 parts of microbeads according to parts by weight, and uniformly mixing to obtain 110 parts of light inorganic material;
step 3, weighing 280 parts of cement, 110 parts of the light inorganic material, 20 parts of fly ash, 10 parts of silica fume, 100 parts of quartz particles A, 10 parts of bentonite, 60 parts of quartz particles B, 6 parts of fiber, 2 parts of acrylate emulsion, 1 part of expanding agent, 0.8 part of defoaming agent, 2 parts of water reducing agent, 0.2 part of thickening agent and 110 parts of water, uniformly mixing, then grouting, compacting and forming, and then curing for 10 hours under the conditions that the temperature is 20 ℃ and the humidity is 90% and demoulding to obtain a blank;
and 4, placing the blank in an environment with the temperature of 150 ℃ and the pressure of 1 MPa for autoclave curing for 13 h to obtain the lightweight waterproof heat-insulation board.
Wherein the microspheres are hollow glass microspheres, and the density of the microspheres is 0.18 g/cm3(ii) a The particle size of the floating beads is 70 meshes; the quartz particles A are 100-mesh quartz particles, and the quartz particles B are 350-mesh quartz particles; the fiber is the mixture of basalt fiber and alkali-resistant glass fiber in equal weight parts; the cement is silicate cement; the silane coupling agent is KH-550; the expanding agent is a concrete expanding agent; defoamingThe agent is a commercial mortar defoaming agent; the water reducing agent is a naphthalene water reducing agent, and the thickening agent is hydroxypropyl methyl cellulose.
Example 2
A light waterproof insulation board and a preparation process thereof comprise the following steps:
step 1, weighing 150 parts of floating beads, 4 parts of silane coupling agent, 6 parts of sodium methylsiliconate, 2 parts of polydimethylsiloxane and 30 parts of water according to parts by weight, uniformly mixing, and drying at the temperature of 80 ℃ to prepare modified floating beads;
step 2, weighing 150 parts of the modified floating beads and 15 parts of microbeads according to parts by weight, and uniformly mixing to obtain 165 parts of light inorganic material;
step 3, weighing 350 parts of cement, 165 parts of the light inorganic material, 40 parts of fly ash, 15 parts of silica fume, 130 parts of quartz particles A, 15 parts of bentonite, 90 parts of quartz particles B, 10 parts of fiber, 4 parts of acrylate emulsion, 3 parts of expanding agent, 1.4 parts of defoaming agent, 4 parts of water reducing agent, 0.5 part of thickening agent and 130 parts of water, uniformly mixing, then grouting, compacting and forming, and then curing for 15 hours under the conditions that the temperature is 30 ℃ and the humidity is 90% and demolding to prepare a blank;
and 4, placing the blank in an environment with the temperature of 180 ℃ and the pressure of 1.2 MPa for autoclave curing for 17 hours to obtain the lightweight waterproof heat-insulation board.
Wherein the microspheres are hollow glass microspheres, and the density of the microspheres is 0.25 g/cm3(ii) a The particle size of the floating beads is 90 meshes; the quartz particles A are 200-mesh quartz particles, and the quartz particles B are 450-mesh quartz particles; the fiber is the mixture of basalt fiber and polypropylene fiber in equal weight parts; the cement is ordinary portland cement; the silane coupling agent is the mixture of KH-550 and KH-560 in equal weight parts; the expanding agent is a concrete expanding agent; the defoaming agent is a commercial mortar defoaming agent; the water reducing agent is a naphthalene water reducing agent, and the thickening agent is hydroxypropyl methyl cellulose.
Example 3
A light waterproof insulation board and a preparation process thereof comprise the following steps:
step 1, weighing 130 parts of floating beads, 3 parts of silane coupling agent, 4 parts of sodium methylsiliconate, 1 part of polydimethylsiloxane and 30 parts of water according to parts by weight, uniformly mixing, and drying at the temperature of 65 ℃ to prepare modified floating beads;
step 2, weighing 130 parts of the modified floating beads and 12 parts of microbeads according to parts by weight, and uniformly mixing to obtain 142 parts of the light inorganic material;
step 3, weighing 300 parts of cement, 142 parts of the light inorganic material, 30 parts of fly ash, 12 parts of silica fume, 120 parts of quartz particles A, 12 parts of bentonite, 80 parts of quartz particles B, 8 parts of fiber, 2 parts of acrylate emulsion, 2 parts of expanding agent, 1 part of defoaming agent, 3 parts of water reducing agent, 0.2 part of thickening agent and 120 parts of water, uniformly mixing, then grouting, compacting and molding, and then curing for 12 hours under the conditions that the temperature is 25 ℃ and the humidity is 90% and demolding to prepare a blank;
and 4, placing the blank in an environment with the temperature of 165 ℃ and the pressure of 1.1 MPa for autoclave curing for 15 hours to obtain the lightweight waterproof heat-insulation board.
Wherein the microspheres are hollow glass microspheres, and the density of the microspheres is 0.20 g/cm3(ii) a The particle size of the floating beads is 80 meshes; the quartz particles A are 150-mesh quartz particles, and the quartz particles B are 450-mesh quartz particles; the fiber is the mixture of basalt fiber, alkali-resistant glass fiber and polypropylene fiber in equal weight parts; the cement is the mixture of Portland cement, ordinary Portland cement and white Portland cement in equal weight parts; the silane coupling agent is a mixture of KH-550, KH-560 and KH-570 in equal parts by weight; the expanding agent is a concrete expanding agent; the defoaming agent is a commercial mortar defoaming agent; the water reducing agent is a naphthalene water reducing agent, and the thickening agent is hydroxypropyl methyl cellulose.
Example 4
This example is substantially the same as example 3, except that: in this example, the weight part of the modified floating bead is 100 parts, and the weight part of the bead is 10 parts.
Example 5
This example is substantially the same as example 3, except that: in this example, the weight part of the modified floating bead is 150 parts, and the weight part of the bead is 15 parts.
Example 6
This example is substantially the same as example 5 except that: in this example, 2 parts by weight of the silane coupling agent, 3 parts by weight of sodium methylsiliconate, and 1 part by weight of polydimethylsiloxane were used.
Example 7
This example is substantially the same as example 5 except that: in this example, the silane coupling agent was 4 parts by weight, the sodium methylsiliconate was 6 parts by weight, and the polydimethylsiloxane was 2 parts by weight.
Comparative example 1
This comparative example is essentially the same as example 5, except that: in the comparative example, the weight parts of the floating bead, the micro bead, the silane coupling agent, the sodium methylsiliconate and the polydimethylsiloxane are all 0 part.
Comparative example 2
This comparative example is essentially the same as example 5, except that: in the comparative example, the weight parts of the floating bead, the silane coupling agent, the sodium methylsiliconate and the polydimethylsiloxane are all 0 part.
Comparative example 3
This comparative example is essentially the same as example 5, except that: in this comparative example, the silane coupling agent, sodium methylsiliconate and polydimethylsiloxane were all 0 parts by weight.
Comparative example 4
This comparative example is essentially the same as example 5, except that: in the comparative example, the weight portion of the modified floating bead is 90 portions, and the weight portion of the microbead is 9 portions.
Comparative example 5
This comparative example is essentially the same as example 5, except that: in this comparative example, the silane coupling agent was 4 parts by weight, the polydimethylsiloxane was 2 parts by weight, and the sodium methylsiliconate was 0 part by weight.
Comparative example 6
This comparative example is essentially the same as example 5, except that: the density of the microbeads in this comparative example was 0.1 g/cm3The particle size of the floating beads is 70 meshes.
Comparative example 7
This comparative example is essentially the same as example 5, except that: the weight part of the quartz particles B in this comparative example was 0 part.
Comparative example 8
This comparative example is essentially the same as example 5, except that: in the comparative example, the weight part of the fly ash is 10 parts, and the weight part of the silica fume is 5 parts.
The insulation boards prepared in examples 1 to 7 and comparative examples 1 to 8 were subjected to the detection of water absorption, thermal conductivity and flexural strength according to the detection standards in table 1 below, and the detection results are shown in table 2.
As can be seen from the performance detection results in Table 2, the lightweight waterproof heat-insulation boards prepared in the embodiments 1 to 7 have good heat-insulation performance and waterproof performance, the water absorption of the lightweight waterproof heat-insulation boards is below 6%, and the heat conductivity coefficient is below 0.072W/m.K.
In the comparative example 1, when the raw materials are not added with the microbeads and the floating beads, the waterproof performance and the heat preservation performance of the obtained heat preservation plate are greatly reduced;
in comparative example 2, after the commercially available microbeads are added to the raw materials, the thermal insulation performance of the insulation board can be enhanced by the microbeads, and the insulation board prepared by the microbeads has poor waterproof performance due to high water absorption of the microbeads, and the water absorption is as high as 9.0%;
in comparative example 3, after the micro beads and the floating beads sold in the market are added into the raw materials, the heat conductivity coefficient of the heat-insulating board can be improved by the mutual matching of the micro beads and the floating beads, so that the heat-insulating effect of the heat-insulating board prepared in comparative example 3 is better than that of the heat-insulating boards prepared in comparative examples 1 and 2, and the water absorption of the heat-insulating board prepared in comparative example 3 is up to 10.2% because the micro beads and the floating beads sold in the market are high in water absorption and are not modified;
in the comparative example 4, the modified floating beads and the microbeads are matched with each other, so that the heat-insulation plate has a good heat-insulation effect and a good waterproof effect, but the addition amount of the microbeads and the modified floating beads in the comparative example 4 is less than the preset range in the scheme of the invention, so that the water absorption of the heat-insulation plate prepared in the comparative example 4 is more than 6%, and the heat conductivity is more than 0.080W/m.K;
in a comparative example 5, as sodium methyl siliconate is not adopted to modify the floating beads, the performance of the modified floating beads prepared by the comparative example is poorer, so that the water absorption of the insulation board prepared by the comparative example 5 is more than 6%, and the heat conductivity coefficient is more than 0.080W/m.K;
in the comparative example 6, the particle size of the floating beads and the density of the microbeads are too small, so that the viscosity of the raw material formula is increased, the water absorption of the insulation board is increased to 8.6%, and the heat conductivity coefficient is also increased to 0.210W/m.K;
in comparative example 7, since the quartz particles B are not added, the quartz particles without small particles are filled in gaps among large particles, so that a large number of capillary holes are easily generated on the surface of the insulation board, and the water absorption rate of the insulation board is more than 6%, in addition, compared with the insulation board prepared in embodiment 5, the insulation board prepared in comparative example 7 has the advantages of reduced density and poor flexural strength;
in comparative example 8, the addition amount of the fly ash and the silica fume is less than the predetermined range in the scheme of the invention, so that the insulation board prepared by the comparative example has higher water absorption rate and the flexural strength is far inferior to that of the insulation board prepared by the example 5.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. The light waterproof insulation board is characterized by comprising the following raw materials in parts by weight: 350 parts of cement, 280-165 parts of light inorganic material, 20-40 parts of fly ash, 10-15 parts of silica fume, 130 parts of quartz particles A, 10-15 parts of bentonite, 60-90 parts of quartz particles B, 6-10 parts of fiber and 6-14 parts of auxiliary agent.
2. The lightweight waterproof insulation board according to claim 1, wherein the lightweight inorganic material comprises the following raw materials in parts by weight: 100 portions of modified floating beads and 150 portions of beads.
3. The lightweight waterproof insulation board according to claim 2, wherein the modified floating beads comprise the following raw materials in parts by weight: 100-150 parts of floating bead, 2-4 parts of silane coupling agent, 3-6 parts of sodium methylsiliconate and 1-2 parts of polydimethylsiloxane.
4. The lightweight waterproof insulation board according to claim 3, wherein the beads are hollow glass beads, and the density of the beads is 0.18-0.25 g/cm3The particle size of the floating beads is 70-90 meshes.
5. The lightweight waterproof insulation board as claimed in claim 1, wherein the quartz particles A are 100-200 mesh quartz particles, and the quartz particles B are 350-450 mesh quartz particles.
6. The lightweight waterproof insulation board according to claim 1, wherein the fibers are at least two of basalt fibers, alkali-resistant glass fibers and polypropylene fibers.
7. The lightweight waterproof insulation board according to claim 1, wherein the cement is any one or more of portland cement, ordinary portland cement, and white portland cement.
8. The lightweight waterproof insulation board according to claim 3, wherein the silane coupling agent is any one or more of a silane coupling agent KH-550, a silane coupling agent KH-560 and a silane coupling agent KH-570.
9. The lightweight waterproof insulation board according to claim 1, wherein the auxiliary comprises the following raw materials in parts by weight: 2-4 parts of acrylate emulsion, 1-3 parts of expanding agent, 0.8-1.4 parts of defoaming agent, 2-4 parts of water reducing agent and 0.2-0.5 part of thickening agent.
10. The preparation process of the lightweight waterproof insulation board according to any one of claims 1 to 9, characterized by comprising the following steps:
step 1, weighing and uniformly mixing 150 parts of floating bead 100, 2-4 parts of silane coupling agent, 3-6 parts of sodium methylsiliconate, 1-2 parts of polydimethylsiloxane and 20-30 parts of water according to parts by weight, and then drying at the temperature of 50-80 ℃ to prepare the modified floating bead;
step 2, weighing and uniformly mixing 100-150 parts of the modified floating beads and 10-15 parts of the microbeads according to the parts by weight to prepare the light inorganic material;
step 3, weighing 350 parts of cement 280-plus materials, 165 parts of the light inorganic material 110-plus materials, 20-40 parts of fly ash, 10-15 parts of silica fume, 130 parts of quartz particles A100-plus materials, 10-15 parts of bentonite, 60-90 parts of quartz particles B, 6-10 parts of fibers, 2-4 parts of acrylate emulsion, 1-3 parts of expanding agents, 0.8-1.4 parts of defoaming agents, 2-4 parts of water reducing agents, 0.2-0.5 part of thickening agents and 130 parts of water 110-plus materials, uniformly mixing, then grouting, compacting and molding, then curing for 10-15 hours under the conditions that the temperature is 20-30 ℃ and the humidity is 80-95%, and demolding to prepare blanks;
and 4, placing the blank in an environment with the temperature of 150-180 ℃ and the pressure of 1-1.2 MPa for autoclave curing for 13-17 h to obtain the lightweight waterproof heat-insulation board.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101580355A (en) * 2009-06-26 2009-11-18 郭元华 Water-based organic silicon waterproof agent
CN101781083A (en) * 2009-12-21 2010-07-21 浙江通达实业有限公司 Hydrophobic hollow glass microsphere preparation method and prepared hydrophobic hollow glass microsphere thereof
US20140047999A1 (en) * 2010-11-23 2014-02-20 Ivan Ràzl Acid and high temperature resistant cement composites
CN106833368A (en) * 2017-03-12 2017-06-13 江西省科学院应用化学研究所 A kind of preparation method of waterborne organic silicon stone protectant
CN108774030A (en) * 2018-06-29 2018-11-09 芜湖市棠华建材科技有限公司 A kind of light flame-retardant building thermal insulation material and preparation method thereof
CN110194624A (en) * 2019-06-13 2019-09-03 北京建工一建工程建设有限公司 A kind of high-strength insulation concrete and preparation method thereof
CN111908864A (en) * 2020-07-22 2020-11-10 北京怀建混凝土有限责任公司 Anti-freezing concrete and production process thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101580355A (en) * 2009-06-26 2009-11-18 郭元华 Water-based organic silicon waterproof agent
CN101781083A (en) * 2009-12-21 2010-07-21 浙江通达实业有限公司 Hydrophobic hollow glass microsphere preparation method and prepared hydrophobic hollow glass microsphere thereof
US20140047999A1 (en) * 2010-11-23 2014-02-20 Ivan Ràzl Acid and high temperature resistant cement composites
CN106833368A (en) * 2017-03-12 2017-06-13 江西省科学院应用化学研究所 A kind of preparation method of waterborne organic silicon stone protectant
CN108774030A (en) * 2018-06-29 2018-11-09 芜湖市棠华建材科技有限公司 A kind of light flame-retardant building thermal insulation material and preparation method thereof
CN110194624A (en) * 2019-06-13 2019-09-03 北京建工一建工程建设有限公司 A kind of high-strength insulation concrete and preparation method thereof
CN111908864A (en) * 2020-07-22 2020-11-10 北京怀建混凝土有限责任公司 Anti-freezing concrete and production process thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张学亮: "憎水膨胀珍珠岩外保温砂浆", 《房材与应用》 *

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