CN112010625A - Fireproof heat-insulating material and preparation process thereof - Google Patents
Fireproof heat-insulating material and preparation process thereof Download PDFInfo
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- 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
- C04B28/18—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 mixtures of the silica-lime type
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- 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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
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- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- 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
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- 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
Abstract
The invention discloses a fireproof heat-insulating material and a preparation process thereof, wherein the fireproof heat-insulating material comprises the following raw material compositions in parts by weight: 1.8-12 parts of expandable polystyrene particles, 100-115 parts of siliceous materials, 6-18 parts of calcareous materials and 35-120 parts of water; uniformly mixing the raw material composition of the fireproof heat-insulating material to obtain a mixture; and (3) inputting the mixture into a mold, pressurizing the mold, keeping the pressure of the mold, heating the mold to enable the temperature inside the mixture to reach 50-150 ℃, enabling the pressure applied on the mold to reach 0.28-0.55 MPa, heating and pressurizing to be molded, demolding and maintaining. The flexible insulation board prepared by the manufacturing process disclosed by the invention is high in tensile strength and high in fire-proof grade.
Description
Technical Field
The invention relates to the field of building materials, in particular to a fireproof heat-insulating material and a preparation process thereof.
Background
The building insulation material generally refers to a material having a thermal conductivity (25 ℃ C.), W/(m.k) coefficient of 0.2W/(m.k) or less. In recent years, with the development of heat insulating materials, the development is rapid. The heat preservation technology and the heat preservation material with good performance are adopted in industry and buildings, and the energy-saving and emission-reducing functions are achieved well. With the development of science and technology and the improvement of the living standard of people, the requirements on heat-insulating materials are higher and higher.
Due to the requirement of fire safety, the existing heat-insulating materials which can meet the heat-insulating requirement and have A-level fire resistance are roughly divided into two types. One class is a flexible A-grade fireproof heat-insulating material taking rock wool as a representative material, but the flexible A-grade fireproof heat-insulating material has poor tensile strength and hydrophobicity, so that after water absorption, the heat-insulating property is greatly reduced, the heat-insulating work efficiency is lost, the tensile strength is further deteriorated, and the potential safety hazard that an outer wall falls off is easily caused; the other type is a rigid A-grade fireproof heat-insulating material represented by foam glass, but the rigid A-grade fireproof heat-insulating material is brittle and easy to crack, has high processing difficulty and is difficult to construct.
The construction environment of the building wall body puts higher requirements on the compression resistance, the heat insulation performance and the fireproof performance of the heat insulation material (because the fireproof performance needs to meet higher requirements indoors). The existing heat insulation material cannot give consideration to physical properties, heat insulation properties and fireproof properties, namely the three properties cannot be given consideration to the heat insulation material.
Disclosure of Invention
The invention aims to overcome the defects of low tensile strength and low fireproof grade of a heat-insulating plate in the prior art, and provides a fireproof heat-insulating material which has high tensile strength, is not easy to fall off after being pasted (the tensile strength is more than 0.08MPa and the compressive strength is more than 0.18 MPa), has good heat-insulating property (the heat conductivity coefficient is below 0.08W/(m.K) at 25 ℃) and is non-combustible (not lower than A2 grade) in fireproof grade and a preparation process thereof.
The invention solves the technical problems through the following technical scheme:
a preparation process of a fireproof heat-insulating material comprises the following raw material compositions in parts by weight: 1.8-12 parts of expandable polystyrene particles, 100-115 parts of siliceous materials, 6-18 parts of calcareous materials and 35-120 parts of water;
the preparation process comprises the following steps: uniformly mixing the raw material composition of the fireproof heat-insulating material to obtain a mixture; and (2) inputting the mixture into a mold, pressurizing the mold, keeping the pressure of the mold, enabling the pressure applied on the mold to reach 0.28-0.55 MPa, heating the mold and the mixture therein, enabling the temperature inside the mixture to reach 50-150 ℃, heating, pressurizing to form, demolding and maintaining.
In the present invention, the expandable polystyrene particles are preferably used in an amount of 3 to 11 parts, for example, 3.4 to 10 parts, and further, for example, 4.55 parts, 5.1 parts, 5.95 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts or 9.5 parts.
In the present invention, the expandable polystyrene particles are preferably expandable polystyrene particles containing graphite, such as expandable polystyrene particles containing graphite available from xingda new foam material corporation.
In the present invention, the siliceous material is preferably one or more selected from the group consisting of fine silica powder, fine slag powder, fly ash, quartz powder, kaolin, bentonite, water glass and diatomaceous earth, such as fine silica powder, available from Shanghai Wei Tei Ruizi industries development Co., Ltd; or the silicon powder is purchased from Huzhou Huatian micro powder factory; or fly ash, a class C high calcium ash available from commercial fly ash products ltd.
In the present invention, the amount of the siliceous material is preferably 100 to 110 parts, for example, 100 to 107.9 parts.
In the present invention, the calcium material is preferably calcium oxide and/or calcium hydroxide, such as calcium oxide, available from the east metallurgical lime works of Taicano.
In the present invention, the amount of the calcium substance is preferably 6 to 12 parts.
In the present invention, the amount of water is preferably 35 to 90 parts.
In the present invention, the raw material composition of the fireproof thermal insulation material preferably further comprises a water reducing agent.
The amount of the water reducing agent can be conventional in the art, and is preferably 0 to 50 parts, but not 0, such as 3 to 42 parts, and further such as 6 parts, 16 parts, 24 parts or 36 parts.
The water reducing agent may be conventional in the art, and preferably includes one or more of a lignosulfonate water reducing agent, a naphthalenesulfonate water reducing agent, a melamine water reducing agent, a sulfamate high-performance water reducing agent and a polycarboxylic acid high-performance water reducing agent, and more preferably a polycarboxylic acid high-performance water reducing agent, such as an HF retarding high-performance water reducing agent available from chemical engineering limited in Shanghai province.
The weight ratio of the inorganic raw material to the organic raw material is preferably 12 to 35.5, the inorganic raw material is the siliceous material and the calcareous material, and the organic raw material is the expandable polystyrene particles and the water reducing agent.
In the present invention, the raw material composition of the fireproof thermal insulation material preferably further includes a reinforcing fiber.
Wherein, the kind of the reinforcing fiber can be conventional in the field, and the reinforcing fiber preferably comprises one or more of wood fiber, metal fiber and cellucotton; more preferably, it is a fiber cotton, such as a fiber cotton available from Shijiazunlong building materials sales Co.
The amount of the reinforcing fiber may be conventional in the art, and is preferably 2.4 to 30 parts, such as 4.8 to 30 parts, and further such as 7.2 parts, 9.6 parts, 12 parts, 14.4 parts, 16.8 parts, 19.2 parts, 21.6 parts, 24 parts, 26.4 parts, or 28.8 parts.
In the present invention, preferably, the mold includes an upper mold and a lower mold, and the preparation process includes the following steps: and preliminarily shaping the mixture by adopting the upper layer die and the lower layer die, and after the die enters the pressing platform, compressing the mixture by 10-45% in the thickness direction for forming, and locking the upper layer die and the lower layer die.
In the invention, the mixture is preferably compressed by 17-38% in the thickness direction for molding.
In the invention, preferably, a plurality of groups of molds are repeatedly overlapped in sequence for simultaneously pressing to form a plurality of fireproof heat-insulation boards until the mixture is compressed by 10-45% in the thickness direction for molding.
In the present invention, the heating temperature applied to the interior of the mixture is preferably 60 to 150 ℃, for example 70 to 140 ℃, and further for example 80 ℃, 90 ℃, 100 ℃, 110 ℃, 120 ℃ or 130 ℃.
In the present invention, the pressure applied to the mold is preferably 0.35 to 0.55 MPa.
In the present invention, in the process of heating and pressurizing to molding, the skilled person can adjust the heating and pressurizing time according to the heating mode, for example, when the heating mode is conventional steam heating or heating mode using heat-conducting liquid as heat-conducting medium, the heating time is more than 30 minutes; for another example, when the microwave heating method is employed, the heating time is 5 minutes or more.
In the present invention, preferably, the preparation process further comprises placing a reinforcing member comprising one or more of a metal mesh, a glass fiber mesh or ribs in the mold, so that at least one side of the mixture is embedded in the reinforcing member.
In the present invention, the expandable polystyrene particles are pre-expanded polystyrene particles, which may be commercially available pre-expanded polystyrene particles, or the pre-expanded polystyrene particles may be obtained by: before the mixture is stirred, the preparation process also comprises a pre-foaming step of the expandable polystyrene particles.
Wherein the pre-foaming step may be to foam the expandable polystyrene particles to a desired grammage according to a conventional foaming process in the art, for example, the pre-foaming step is: and heating and pressurizing the expandable polystyrene particles to expand the expandable polystyrene particles.
The invention also provides a fireproof heat-insulating material which is prepared according to the preparation process of the fireproof heat-insulating material.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The reagents and starting materials used in the present invention are commercially available.
The positive progress effects of the invention are as follows: on the premise that the preparation pressure is kept low, the prepared fireproof heat-insulating material has high tensile strength, is not easy to fall off after being pasted (the tensile strength is more than 0.08MPa and the compressive strength is more than 0.18 MPa), has good heat-insulating performance (the heat conductivity coefficient is below 0.08W/(m.K) at 25 ℃), and has a fireproof grade which is not lower than A2 grade.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention. The experimental methods without specifying specific conditions in the following examples were selected according to the conventional methods and conditions, or according to the commercial instructions.
The materials used in the various examples and comparative examples of the present invention are specifically illustrated as follows:
silicon substance: the silica fume or fly ash in the following examples (except example 19) can be optionally replaced; wherein, the micro silicon powder is purchased from Shanghai Weiterrui industry development Limited company; fly ash, a class C high calcium ash purchased from commercial fly ash products ltd of shanghai city;
the siliceous material used in example 19 was silica micropowder, which was obtained from Huzhou Huatian Mills.
Calcium substance: calcium oxide or calcium hydroxide may be optionally used instead of calcium in the following examples; calcium oxide: also known as quicklime, purchased from the east metallurgical lime product factory of taicano city; calcium hydroxide: also known as hydrated lime, purchased from eastern metallurgical lime products works in Taicano.
Expandable polystyrene particles: purchased from Wuxi Xingda New foam Material Co., Ltd.
Water reducing agent: the HF retarding superplasticizer is purchased from Shanghai Dong Daihang chemical Co Ltd.
Fiber cotton: shijiazhuandinglong building materials sales Co Ltd.
Interpretation of terms:
silicon substance: refers to a material that is capable of reacting with a calcium oxide/hydroxide material to form calcium silicate.
Calcium substance: refers to materials containing calcium oxide and/or calcium hydroxide.
Water reducing agent: the material can reduce unit water consumption, improve mixture fluidity and improve workability. Including but not limited to lignosulfonate water reducing agent, naphthalene sulfonate water reducing agent, melamine water reducing agent, sulfamate high-efficiency water reducing agent and polycarboxylic acid high-performance water reducing agent.
In the following examples and comparative examples, A represents the weight of siliceous material, B represents the weight of calcareous material, C represents the weight of inorganic raw materials (i.e., the sum of siliceous material and calcareous material), and D represents the weight of organic raw materials (i.e., expandable polystyrene particles, or polystyrene and a water reducing agent, or polystyrene and reinforcing fibers). The data for the amounts of the materials in the table are divided by 10 to obtain the corresponding number of parts for each material.
In the following examples and comparative examples, the criteria for detection are as follows: the method is characterized in that the compression strength is tested according to GB/T5486-2008 test method for inorganic hard heat insulation products, the tensile strength is tested according to GB/T29906 plus 2013 material for molded polyphenyl plate thin plastered outer wall external thermal insulation system, the combustion performance grade is tested according to GB 8624 plus 2012 grading for combustion performance of building materials and products, the volume water absorption is tested according to GB/T1034 plus 2008 determination for plastic water absorption, so that the dry density is tested, and the heat conductivity is tested according to GB/T10294 test method for determining steady-state heat resistance and related characteristics of heat insulation materials for protection hot plate.
The preparation methods of the fireproof thermal insulation materials of examples 1 to 103 and comparative examples 1 to 20 are as follows:
first, the expandable polystyrene particles are expanded by heating to increase their volume, to obtain pre-expanded expandable polystyrene particles. The density of the expandable polystyrene particles is changed correspondingly by setting the steam pressure, so that the required density is achieved, and the density of the expandable polystyrene particles reaches 4-25 g/L.
Then, water, siliceous substances, calcareous substances (calcium oxide or calcium hydroxide), possibly used cellucotton and a water reducing agent are mixed and stirred uniformly at normal temperature, and the mixture is stirred uniformly to form the ready-mixed cementing material.
And then, adding the pre-foamed expandable polystyrene particles into a stirring cylinder, starting a stirrer, adding the pre-mixed gel material, mixing and stirring, and fully and uniformly mixing to obtain a mixture of all the raw materials.
Then the stirred mixture (containing the pre-expanded expandable polystyrene particles) is input into a mould, the vertical height of the mould can be adjusted under the pressure state until reaching the set height, becauseAfter a plurality of tests, the height of the material level meter needs to be adjusted to 6-9cm according to the thickness of a product of 5cm as an example, and the shrinkage ratio is 10-45%. The pressure applied to the mold is maintained at 0.28 to 0.55 MPa. So that the density of the raw material composition reaches 230kg/m3The following.
Before the die enters the pressing platform, the temperature of the oil temperature machine is set to be 50-150 ℃ for preheating the pressing platform. And pushing the mold when the temperature reaches a set value, pressurizing and heating until the mold is formed, and cooling and demolding. In the heating and pressurizing process, the expandable polystyrene particles are heated in the die to be foamed again, so that the compactness is further improved, and the tensile strength is also improved.
And finally, maintaining the demoulded product.
The temperature of the oil temperature machine related in the following tables 1-10 is 130 ℃, and the pressure applied on the die is 0.55 MPa;
in the following tables 1 to 12, the mass units of the raw materials are g.
Table 1 relates the proportions of the various inorganic and organic raw materials
Table 2 relates the ratio of different silicon and calcium species
TABLE 3 addition of Water reducing Agents at different proportions of inorganic and organic raw materials
TABLE 4 addition of Water reducing Agents at different ratios of silicon and calcium species
TABLE 5 different proportions of Water reducing agent
TABLE 6 addition of cellucotton at different ratios of inorganic and organic raw materials
Table 7 cellucotton addition at different ratios of silicon and calcium species
TABLE 8 different proportions of cellucotton addition
TABLE 9 Effect of different temperatures
TABLE 10 temperature Effect on addition of Water reducing agent
TABLE 11 Effect of different pressures
TABLE 12 Effect of pressure on addition of Water reducing agent
In combination with examples 1-15, examples 20-33, examples 45-59 and comparative examples 1-2, 5 and 9-10, it can be seen that in comparative examples 1-2, the thickness of the fireproof thermal insulation material cannot be achieved due to the organic raw material not being within the range defined in the application, and the fireproof thermal insulation material cannot be formed or the combustion grade can only reach B grade.
With reference to examples 16 to 19, examples 34 to 36, examples 60 to 62 and comparative examples 3 to 4, 6 to 7, and 11 to 12, it can be seen that the strength of the thermal insulation material is very low and almost no shape is obtained because the siliceous material and the calcareous material are not in the range defined in the present application.
It is understood from examples 37 to 44 and comparative example 8 that the combustion grade can only reach B grade when the water reducing agent is added in a proportion of 4.5% or more.
It is understood from examples 63 to 76 and comparative example 13 that the fibers of the fireproof heat insulating material and the slurry cannot be uniformly stirred when the proportion of the reinforcing fibers is 26% or more.
It is understood from examples 77 to 98 and comparative examples 14 to 17 that expandable polystyrene particles cannot be re-expanded or aggregates are scorched when the temperature is not in the range of 50 to 150 ℃.
It can be seen from the combination of examples 99 to 103 and comparative examples 18 to 20 that the good effect can still be obtained when the pressure is in the lower range of 0.28 to 0.55MPa, but the mold is crushed when the pressure exceeds 235 MPa.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The preparation process of the fireproof heat-insulating material is characterized in that the raw material composition of the fireproof heat-insulating material comprises the following components in parts by weight: 1.8-12 parts of expandable polystyrene particles, 100-115 parts of siliceous materials, 6-18 parts of calcareous materials and 35-120 parts of water;
the preparation process comprises the following steps: uniformly mixing the raw material composition of the fireproof heat-insulating material to obtain a mixture; and (2) inputting the mixture into a mold, pressurizing the mold, keeping the pressure of the mold, enabling the pressure applied on the mold to reach 0.28-0.55 MPa, heating the mold and the mixture therein, enabling the temperature inside the mixture to reach 50-150 ℃, heating, pressurizing to form, demolding and maintaining.
2. The process for preparing fireproof thermal insulation material according to claim 1, wherein the expandable polystyrene particles are used in an amount of 3 to 11 parts, such as 3.4 to 10 parts, such as 4.55 parts, 5.1 parts, 5.95 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts or 9.5 parts;
and/or the expandable polystyrene particles are graphite expandable polystyrene particles containing graphite, such as expandable polystyrene particles available from xingda new foam material corporation;
and/or the siliceous material is one or more of silica micropowder, silica fume, slag micropowder, fly ash, quartz powder, kaolin, bentonite, water glass and diatomite, such as silica fume available from Shanghai Wei Te Rui Kong company; or silica micropowder obtained from Huzhou Huatian micropowder plant; or class C high calcium ash from commercial fly ash products of Shanghai city, Inc.;
and/or, the amount of the siliceous material is 100 to 110 parts, preferably 100 to 107.9 parts;
and/or, the calcium material is calcium oxide and/or calcium hydroxide, such as calcium oxide, available from Taicano Oriental metallurgy lime products factory;
and/or the using amount of the calcium substance is 6-12 parts;
and/or the amount of the water is 35-90 parts;
and/or the raw material composition of the fireproof heat-insulating material also comprises a water reducing agent;
and/or the raw material composition of the fireproof thermal insulation material also comprises reinforcing fibers.
3. The preparation process of the fireproof thermal insulation material according to claim 2, wherein the water reducing agent is used in an amount of 0 to 50 parts, but not 0, such as 3 to 42 parts, and further such as 6 parts, 16 parts, 24 parts or 36 parts;
and/or the water reducing agent comprises one or more of a lignosulfonate water reducing agent, a naphthalenesulfonate water reducing agent, a melamine water reducing agent, an aminosulfonate high-performance water reducing agent and a polycarboxylic acid high-performance water reducing agent, preferably a polycarboxylic acid high-performance water reducing agent, such as an HF (high frequency) retarding high-performance water reducing agent purchased from Shanghai Donggong chemical industry Co.
4. The preparation process of the fireproof thermal insulation material according to claim 3, wherein the weight ratio of inorganic raw materials to organic raw materials is 12-35.5, the inorganic raw materials refer to the siliceous material and the calcareous material, and the organic raw materials refer to the expandable polystyrene particles and the water reducing agent.
5. The process for preparing the fireproof thermal insulation material according to claim 2, wherein the reinforced fiber comprises one or more of wood fiber, metal fiber and fiber cotton; preferably cellucotton, such as cellucotton available from Shijiazhuanglong building materials sales Co;
and/or the reinforcing fibers are used in an amount of 2.4 to 30 parts, such as 4.8 to 30 parts, for example, 7.2 parts, 9.6 parts, 12 parts, 14.4 parts, 16.8 parts, 19.2 parts, 21.6 parts, 24 parts, 26.4 parts, or 28.8 parts.
6. The process for preparing a fireproof thermal insulation material according to claim 1, wherein the mold comprises an upper mold and a lower mold, and the process comprises the following steps: primarily shaping the mixture by adopting the upper layer die and the lower layer die, compressing the mixture by 10-45% in the thickness direction for forming after the die enters a pressing platform, and locking the upper layer die and the lower layer die;
preferably, the mixture is compressed by 17-38% in the thickness direction for forming.
7. The preparation process of the fireproof thermal insulation material according to claim 6, wherein a plurality of groups of molds are repeatedly stacked in sequence for simultaneous pressing to form a plurality of fireproof thermal insulation boards until the mixture is compressed by 10-45% in the thickness direction for molding.
8. The process for preparing a fireproof thermal insulation material according to claim 1, wherein the heating temperature applied to the inside of the mixture is 60 to 150 ℃, such as 70 to 140 ℃, such as 80 ℃, 90 ℃, 100 ℃, 110 ℃, 120 ℃ or 130 ℃;
and/or the pressure applied on the die is 0.35-0.55 MPa.
9. The process of claim 1 further comprising placing a reinforcing member comprising one or more of a metal mesh, a glass fiber mesh, or a rib in the mold such that at least one side of the mixture is embedded in the reinforcing member;
and/or the expandable polystyrene particles are pre-expanded polystyrene particles, which are obtained by: before the mixture is stirred, the preparation process also comprises a pre-foaming step of the expandable polystyrene particles;
for example, the pre-foaming step is: and heating and pressurizing the expandable polystyrene particles to expand the expandable polystyrene particles.
10. A fireproof thermal insulation material, which is prepared according to the preparation process of the fireproof thermal insulation material as claimed in any one of claims 1 to 9.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010947577.9A CN112010625A (en) | 2020-09-10 | 2020-09-10 | Fireproof heat-insulating material and preparation process thereof |
| PCT/CN2021/071755 WO2021159912A1 (en) | 2020-02-10 | 2021-01-14 | Fire-resistant and thermal insulation material and preparation process therefor |
| KR1020227031391A KR20220140595A (en) | 2020-02-10 | 2021-01-14 | Fireproof insulation and manufacturing method thereof |
| JP2022548801A JP2023513724A (en) | 2020-02-10 | 2021-01-14 | Refractory heat insulating material and its manufacturing process |
| EP21754016.0A EP4105190A4 (en) | 2020-02-10 | 2021-01-14 | Fire-resistant and thermal insulation material and preparation process therefor |
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| CN202010947577.9A CN112010625A (en) | 2020-09-10 | 2020-09-10 | Fireproof heat-insulating material and preparation process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021159912A1 (en) * | 2020-02-10 | 2021-08-19 | 上海圣奎塑业有限公司 | Fire-resistant and thermal insulation material and preparation process therefor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879654A (en) * | 2019-01-02 | 2019-06-14 | 上海圣奎塑业有限公司 | Insulation board feedstock composition and insulation board |
| CN109912285A (en) * | 2019-01-02 | 2019-06-21 | 上海圣奎塑业有限公司 | A kind of manufacture craft of flexible heat-insulating plate |
| CN111170675A (en) * | 2020-02-10 | 2020-05-19 | 上海圣奎塑业有限公司 | Building floor fireproof heat-insulation material and manufacturing process thereof |
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| CN109879654A (en) * | 2019-01-02 | 2019-06-14 | 上海圣奎塑业有限公司 | Insulation board feedstock composition and insulation board |
| CN109912285A (en) * | 2019-01-02 | 2019-06-21 | 上海圣奎塑业有限公司 | A kind of manufacture craft of flexible heat-insulating plate |
| CN111170675A (en) * | 2020-02-10 | 2020-05-19 | 上海圣奎塑业有限公司 | Building floor fireproof heat-insulation material and manufacturing process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021159912A1 (en) * | 2020-02-10 | 2021-08-19 | 上海圣奎塑业有限公司 | Fire-resistant and thermal insulation material and preparation process therefor |
| EP4105190A4 (en) * | 2020-02-10 | 2023-08-23 | Shanghai Shengkui Products Co., Ltd | Fire-resistant and thermal insulation material and preparation process therefor |
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