CN110577388A - Fireproof heat-insulation material and preparation method and application thereof - Google Patents

Fireproof heat-insulation material and preparation method and application thereof Download PDF

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Publication number
CN110577388A
CN110577388A CN201910983859.1A CN201910983859A CN110577388A CN 110577388 A CN110577388 A CN 110577388A CN 201910983859 A CN201910983859 A CN 201910983859A CN 110577388 A CN110577388 A CN 110577388A
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China
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parts
heat
powder
board
graphite
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CN201910983859.1A
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Chinese (zh)
Inventor
姜磊
卞秀娜
钱圣永
卞学于
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Shandong Shun Shun Energy Saving Building Materials Co Ltd
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Shandong Shun Shun Energy Saving Building Materials Co Ltd
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Priority to CN201910983859.1A priority Critical patent/CN110577388A/en
Publication of CN110577388A publication Critical patent/CN110577388A/en
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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
    • C04B28/04—Portland cements
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • 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
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/06—CO2, N2 or noble gases
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

Abstract

The invention relates to a fireproof heat-insulating material and a preparation method and application thereof. The graphite extruded polystyrene board is used as a basic board, wherein one surface of the graphite extruded polystyrene board is compounded with a glue powder polystyrene granule layer, the other surface of the graphite extruded polystyrene board is compounded with a vitrified microsphere layer, and the raw materials of the graphite extruded polystyrene board comprise ethylene, expanded graphite, talcum powder, a flame retardant, carbon black and CO2A blowing agent. The heat insulation material can be used for the construction process of a cast-in-place wall body as a heat insulation plate, so that the wall body and the heat insulation plate are integrally formed, and the construction of the heat insulation plate is more convenient. Or the heat insulation board can be used in the construction process of pasting and fixing the heat insulation board on the outer wall, so that the heat insulation board is covered on the outer wall. The heat preservation performance is improved by 30 percent, and the combustion performance reaches the A-level standard.

Description

Fireproof heat-insulation material and preparation method and application thereof
Technical Field
The invention belongs to the technical field of wall heat-insulating materials, and particularly relates to a fireproof heat-insulating material and a preparation method and application thereof.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
with the gradual increase of building area, the problem of energy conservation needs to be considered in the building process, and the heat preservation and heat insulation functions of the building are important factors for reducing heating energy consumption and cooling energy consumption. The existing wall body heat preservation and heat insulation measures are that a heat preservation plate is additionally arranged on an outer wall body, the installation of the wall body heat preservation plate generally needs constructors to carry out high-altitude operation, the heat preservation plate is firmly fixed on a wall surface through a complex installation process, the construction engineering is complex, and the labor intensity is high. On the other hand, the energy-saving effect of the existing heat-insulating material still needs to be improved.
disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a fireproof heat-insulation material and a preparation method and application thereof.
In order to solve the technical problems, the technical scheme of the invention is as follows:
in the first aspect, the fireproof heat-insulating material takes a graphite extruded polystyrene board as a base board, wherein one surface of the graphite extruded polystyrene board is compounded with a vitrified microsphere layer, and the raw materials of the graphite extruded polystyrene board comprise ethylene, expanded graphite, talcum powder, a flame retardant, carbon black and CO2A blowing agent.
the heat insulation material has the heat insulation performance reaching the A-level standard and being improved by 30 percent compared with the prior heat insulation material by matching the graphite extruded polystyrene board and the vitrified micro-bead layer.
In some embodiments, the base sheet has a thickness of 50mm to 100mm, the layer of vitreous beads has a thickness of 8 to 15mm, and the density of the graphite extruded polystyrene board is 30 to 35Kg/m3. The compressive strength is 0.27 MPa; the combustion performance is B1 grade, and the thermal conductivity is 0.027 (W/m.k).
In some embodiments, the raw material composition of the extruded polystyrene board of graphite is 75-85 parts of ethylene, 6-14 parts of expanded graphite, 1-7 parts of talcum powder, 6-11.5 parts of flame retardant, 0.22-2.1 parts of carbon black, and CO26-8 parts of a foaming agent. In the present invention, by ethylene and CO2The graphite extruded polystyrene board with better strength is obtained by the matching of the foaming agent and the addition of other components.
In the second aspect, the fireproof heat-insulating material takes a graphite extruded polystyrene board as a base board, wherein one surface of the graphite extruded polystyrene board is compounded with a rubber powder polystyrene granule layer, the other surface of the graphite extruded polystyrene board is compounded with a vitrified microsphere layer, and the graphite extruded polystyrene board comprises ethylene, expanded graphite, talcum powder, a flame retardant, carbon black, CO as raw materials2A blowing agent.
The heat insulation material has the advantages that through the matching of the graphite extruded polystyrene board, the rubber powder polystyrene granule layer and the vitrified micro-bead layer, the heat insulation performance of the obtained heat insulation material reaches the A-level standard and is improved by 30 percent compared with the existing heat insulation material. The obtained heat insulation material is suitable for being installed before the building wall is poured and is integrally formed with the wall, the heat insulation plate is fixed, then concrete is poured, the heat insulation plate is well combined with the concrete, and the problem that the load process of installing the heat insulation plate on the outer wall is solved.
In some embodiments, the base sheet has a thickness of 50mm to 100mm, the layer of crumb polystyrene particles has a thickness of 18 to 22mm, the layer of vitreous beads has a thickness of 8 to 15mm, and the extruded polystyrene sheet of graphite has a density of 30 to 35Kg/m3. The base plate, the rubber powder polyphenyl granule layer and the vitrified micro-bead layer with the thicknesses enable the obtained insulation board to achieve good insulation performance, performance of combining with concrete and excellent insulation performance.
In some embodiments, a graphite extruded polystyrene boardThe material composition is 75-85 portions of ethylene, 6-14 portions of expanded graphite, 1-7 portions of talcum powder, 6-11.5 portions of fire retardant, 0.22-2.1 portions of carbon black and CO26-8 parts of a foaming agent. In the present invention, by ethylene and CO2The graphite extruded polystyrene board with better strength is obtained by the matching of the foaming agent and the addition of other components.
In some embodiments, the composition of the crumb polystyrene particle layer is: portland cement, fly ash, quartz sand, coarse whiting powder, latex powder tile, an organic silicon water repellent, anti-cracking fiber, cellulose ether, starch ether, a water reducing agent and polyphenyl particles; preferably, the mass ratio of the portland cement, the fly ash, the quartz sand, the coarse whiting powder, the latex powder tile, the organic silicon water repellent, the anti-cracking fiber, the cellulose ether, the starch ether and the water reducing agent is 180-190: 24-26: 24-26: 12-13: 9-11: 2-3: 0.7-0.8: 1-2: 1: 1-2; further preferably, the mass ratio is 185-188: 24-26: 24-26: 12.4-12.6: 9-11: 2-3: 0.73-0.76: 1-2: 1: 1-2; still more preferably, the mass ratio is 187.5: 25: 25: 12.5: 10: 2.5: 0.75: 1.5: 1: 1.5. preferably, the polyphenyl granules have a diameter of 4-6mm and are incorporated with 6-8 liters of polyphenyl granules per kilogram of the layer of gelatine powder polyphenyl granules. The rubber powder polyphenyl granules are formed by doping polyphenyl granules into mortar, the composition of the mortar is greatly changed from the existing mortar, the proportion of quartz sand is greatly reduced, the components of portland cement are greatly improved, and the organic silicon water repellent, anti-crack fibers, cellulose ether, starch ether and water reducing agent are improved to a certain extent, so that the mortar and the polyphenyl granules have high strength and hydrophobic property after being combined.
in some embodiments, the vitreous bead layer comprises, in parts by weight: 124-126 parts of Portland cement, 37-38 parts of heavy calcium powder, 12-13 parts of quartz powder, 12-13 parts of fly ash, 62-63 parts of vitrified micro-bead particles, 2-4 parts of organosilicon water repellent, 0.7-0.8 part of anti-crack fiber, 1 part of cellulose ether and 2-3 parts of polyvinyl alcohol; further preferably, the vitrified micro-bead layer comprises the following components in parts by weight: 125 parts of Portland cement, 37.5 parts of heavy calcium powder, 12.5 parts of quartz powder, 12.5 parts of fly ash, 62.5 parts of vitrified micro-bead particles, 3 parts of organosilicon water repellent, 0.75 part of anti-crack fiber, 1 part of cellulose ether and 2.5 parts of polyvinyl alcohol. The vitrified microsphere layer has the function of reducing the heat conductivity coefficient of the graphite extruded polystyrene board, and improves the compressive strength, so that the combustion performance of the whole compression-resistant board reaches A level. In the invention, the composition of the vitrified microsphere layer is greatly changed compared with the vitrified microsphere layer in the prior art because the vitrified microsphere layer is matched with the graphite extruded polystyrene board.
In some embodiments, the graphite extruded polystyrene board is prepared by: mixing raw materials of ethylene, expanded graphite, talcum powder, flame retardant and carbon black for first plasticizing, and then injecting CO at high pressure2And (3) foaming agent, and performing a second plasticizing process and extrusion molding to obtain the graphite extruded polystyrene board.
Preferably, the temperature of the first plasticizing is more than 190 ℃, and the first plasticizing is plasticized by screw extrusion, and the extrusion length is 9-11 m. Preferably, the second plasticizing temperature is 90-60 ℃, and the second plasticizing temperature is plasticized by screw extrusion, and the extrusion length is 9-11 m. The purpose of carrying out two times of extrusion in the preparation process of the extruded sheet is to fully decompose the raw materials and add CO in the middle2The purpose of the blowing agent is to increase the cell structure of the finished product to be finer.
In a fourth aspect, the fireproof heat-insulating material is applied as a heat-insulating plate.
Preferably, the fireproof heat-insulation material is applied as a sticking type heat-insulation plate.
Preferably, the fireproof heat-insulation material is applied as a cast-in-place heat-insulation plate.
The invention has the beneficial effects that:
The invention improves the composition of the graphite extruded polystyrene board, improves the compressive strength, reduces the heat conductivity coefficient of the graphite extruded polystyrene board by vitrified micro bubbles, improves the combustion performance, ensures that the heat conductivity coefficient of the existing insulation board is 0.024-0.026(W/m.k) and is B1-level standard, and ensures that the heat conductivity coefficient of the invention can reach A-level standard. Compared with the prior insulating material polystyrene board, the insulating property of the extruded board is improved by more than 30 percent.
The fireproof heat-insulating material is applied to the pasted heat-insulating plate, and the heat-insulating plate is directly covered on the outer wall by a mortar point-frame pasting construction method on site, so that the heat conductivity coefficient is reduced;
The fireproof heat-insulation material is applied to cast-in-place heat-insulation boards, and the concrete and the heat-insulation boards are constructed simultaneously by adopting a processing and fixing method of penetrating and fixing template bolts on site and then pouring the concrete, so that the labor force of construction is saved.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise. The invention will be further illustrated by the following examples
Example 1
The preparation method of the graphite extruded polystyrene board comprises the following steps: the raw materials comprise the following components in percentage by weight: 78 parts of ethylene, 9 parts of expanded graphite, 5 parts of talcum powder, 8 parts of flame retardant, 1.5 parts of carbon black and CO27 parts of foaming agent.
Each raw material is independently stored; respectively feeding, mixing and stirring ethylene, expanded graphite, talcum powder, a flame retardant and carbon black by using an automatic control system; passing through a screw rod with the length of 10m and the average temperature of 190 ℃ for high-temperature primary plasticization, and injecting CO at high pressure2The foaming agent is extruded out through a building block type die through secondary mixing of a screw rod with the temperature of 90 ℃ and the length of 10 m. Entering a leveling platform for extrusion forming; the graphite extruded sheet passes through a 50-meter heat dissipation system, and corners are corrected.
The heat dissipation system is transmitted to the next procedure by a roller transmission way of naturally cooling at a distance of 50m
The method for preparing the vitrified micro bubbles by using the raw materials comprises the following steps:
The raw materials comprise the following components in parts by weight: 125 parts of Portland cement, 37.5 parts of heavy calcium powder, 12.5 parts of quartz powder, 12.5 parts of fly ash, 62.5 parts of vitrified micro-bead particles, 3 parts of organosilicon water repellent, 0.75 part of anti-crack fiber, 1 part of cellulose ether and 2.5 parts of polyvinyl alcohol. All raw materials in the proportion are mixed and stirred by a double-shaft stirrer, and dry powder is filled.
and (3) compounding and molding the vitrified micro bubble material and the graphite extruded polystyrene board, and maintaining the composite material for natural drying.
Example 2
The preparation method of the graphite extruded polystyrene board comprises the following steps: the raw materials comprise the following components in percentage by weight: 75 parts of ethylene, 6 parts of expanded graphite, 1 part of talcum powder, 6 parts of flame retardant, 0.22 part of carbon black and CO26 parts of foaming agent.
Each raw material is independently stored; respectively feeding, mixing and stirring ethylene, expanded graphite, talcum powder, a flame retardant and carbon black by using an automatic control system; passing through a screw with the length of 10m and the average temperature of 230 ℃ for high-temperature first-stage plasticization, and injecting CO at high pressure2The foaming agent is extruded out through a building block type die through secondary mixing of a screw rod with the low temperature of 80 ℃ and the length of 10 m. Entering a leveling platform for extrusion forming; the graphite extruded sheet passes through a 50-meter heat dissipation system, and corners are corrected.
the method for preparing the vitrified micro bubbles by using the raw materials comprises the following steps:
The raw materials comprise the following components in parts by weight: 124 parts of Portland cement, 37 parts of heavy calcium powder, 12 parts of quartz powder, 12 parts of fly ash, 62 parts of vitrified micro-bead particles, 2 parts of organic silicon water repellent, 0.7 part of anti-crack fiber, 1 part of cellulose ether and 2 parts of polyvinyl alcohol. All raw materials in the proportion are mixed and stirred by a double-shaft stirrer, and dry powder is filled.
And (3) compounding and molding the vitrified micro bubble material and the graphite extruded polystyrene board, and maintaining the composite material for natural drying.
example 3
The preparation method of the graphite extruded polystyrene board comprises the following steps: the raw materials comprise the following components in percentage by weight: 85 parts of ethylene, 14 parts of expanded graphite, 7 parts of talcum powder, 11.5 parts of flame retardant, 2.1 parts of carbon black and CO28 parts of foaming agent.
each raw material is independently stored; ethylene, expanded graphite and talc are mixed by automatic control systemRespectively feeding, mixing and stirring the powder, the flame retardant and the carbon black; passing through a screw with the length of 10m and the average temperature of 230 ℃ for high-temperature first-stage plasticization, and injecting CO at high pressure2The foaming agent is extruded out through a building block type die through secondary mixing of a screw rod with the low temperature of 80 ℃ and the length of 10 m. Entering a leveling platform for extrusion forming; the graphite extruded sheet passes through a 50-meter heat dissipation system, and corners are corrected.
the method for preparing the vitrified micro bubbles by using the raw materials comprises the following steps:
The raw materials comprise the following components in parts by weight: 124 parts of Portland cement, 37 parts of heavy calcium powder, 12 parts of quartz powder, 12 parts of fly ash, 62 parts of vitrified micro-bead particles, 2 parts of organic silicon water repellent, 0.7 part of anti-crack fiber, 1 part of cellulose ether and 2 parts of polyvinyl alcohol.
The preparation method of the rubber powder polyphenyl granules comprises the following steps:
The raw materials comprise: portland cement, fly ash, quartz sand, coarse whiting powder, latex powder tile, an organic silicon water repellent, anti-cracking fiber, cellulose ether, starch ether, a water reducing agent and polyphenyl particles; the mass ratio of the portland cement, the fly ash, the quartz sand, the heavy calcium powder, the latex powder wacker, the organic silicon water repellent, the anti-crack fiber, the cellulose ether, the starch ether and the water reducing agent is 180: 26: 24: 12: 11: 2: 0.7: 1: 1: 2;
And compounding and molding the vitrified micro bubble material, the rubber powder polyphenyl granules and the graphite extruded polystyrene board, and curing and naturally drying the composite material.
Example 4
The preparation method of the graphite extruded polystyrene board comprises the following steps: the raw materials comprise the following components in percentage by weight: 80 parts of ethylene, 12 parts of expanded graphite, 4 parts of talcum powder, 8 parts of flame retardant, 1.6 parts of carbon black and CO26.5 parts of foaming agent.
Each raw material is independently stored; respectively feeding, mixing and stirring ethylene, expanded graphite, talcum powder, a flame retardant and carbon black by using an automatic control system; passing through a screw with the length of 10m and the average temperature of 230 ℃ for high-temperature first-stage plasticization, and injecting CO at high pressure2The foaming agent is extruded out through a building block type die through secondary mixing of a screw rod with the low temperature of 80 ℃ and the length of 10 m. Entering a leveling platform for extrusion forming; the graphite extruded sheet passes through a 50-meter heat dissipation system, and corners are corrected.
The method for preparing the vitrified micro bubbles by using the raw materials comprises the following steps:
The raw materials comprise the following components in parts by weight: 124 parts of Portland cement, 37 parts of heavy calcium powder, 12 parts of quartz powder, 12 parts of fly ash, 62 parts of vitrified micro-bead particles, 2 parts of organic silicon water repellent, 0.7 part of anti-crack fiber, 1 part of cellulose ether and 2 parts of polyvinyl alcohol.
The preparation method of the rubber powder polyphenyl granules comprises the following steps:
The raw materials comprise: portland cement, fly ash, quartz sand, coarse whiting powder, latex powder tile, an organic silicon water repellent, anti-cracking fiber, cellulose ether, starch ether, a water reducing agent and polyphenyl particles; the mass ratio of the portland cement, the fly ash, the quartz sand, the heavy calcium powder, the latex powder wacker, the organic silicon water repellent, the anti-crack fiber, the cellulose ether, the starch ether and the water reducing agent is 180: 26: 24: 12: 11: 2: 0.7: 1: 1: 2;
And compounding and molding the vitrified micro bubble material, the rubber powder polyphenyl granules and the graphite extruded polystyrene board, and curing and naturally drying the composite material.
Comparative example 1
the preparation method of the graphite extruded polystyrene board comprises the following steps: the raw materials comprise the following components in percentage by weight: 88 parts of ethylene, 4 parts of expanded graphite, 12 parts of talcum powder, 8 parts of flame retardant, 1.5 parts of carbon black and CO27 parts of foaming agent.
each raw material is independently stored; respectively feeding, mixing and stirring ethylene, expanded graphite, talcum powder, a flame retardant and carbon black by using an automatic control system; passing through a screw rod with the length of 10m and the average temperature of 190 ℃ for high-temperature primary plasticization, and injecting CO at high pressure2The foaming agent is extruded out through a building block type die through secondary mixing of a screw rod with the temperature of 90 ℃ and the length of 10 m. Entering a leveling platform for extrusion forming; the graphite extruded sheet passes through a 50-meter heat dissipation system, and corners are corrected.
The method for preparing the vitrified micro bubbles by using the raw materials comprises the following steps:
The raw materials comprise the following components in parts by weight: 125 parts of Portland cement, 37.5 parts of heavy calcium powder, 12.5 parts of quartz powder, 12.5 parts of fly ash, 62.5 parts of vitrified micro-bead particles, 3 parts of organosilicon water repellent, 0.75 part of anti-crack fiber, 1 part of cellulose ether and 2.5 parts of polyvinyl alcohol.
and (3) compounding and molding the vitrified micro bubble material and the graphite extruded polystyrene board, and maintaining the composite material for natural drying.
Comparative example 2
In contrast to example 1, ethylene was replaced by expanded polystyrene and CO was removed2the foaming agent and the other components have unchanged compositions. And (5) obtaining the composite material.
Comparative example 3
The mass ratio of the vitrified micro bubbles is as follows: 30 parts of Portland cement, 37 parts of heavy calcium powder, 12 parts of quartz powder, 12 parts of fly ash, 42 parts of vitrified micro-bead particles, 2 parts of organic silicon water repellent, 0.7 part of anti-crack fiber, 1 part of cellulose ether and 2 parts of polyvinyl alcohol. And (5) obtaining the composite material.
Comparative example 4
The glue powder polyphenyl granules comprise the following raw materials: the water-reducing agent comprises portland cement, fly ash, quartz sand, heavy calcium carbonate powder, latex powder, an organic silicon water repellent, anti-crack fibers, cellulose ether, starch ether, a water reducing agent and polyphenyl particles in a mass ratio of: 180: 26: 250: 10: 4: 2: 0.7: 1: 0.4: 1: 1.5. and (5) obtaining the composite material.
The composite material of comparative examples 1-4 has a combustion performance grade of B grade, the composite material of the invention has a combustion performance grade of A grade, the composite material of the invention is a composite adhesive insulation board, and the composite material of examples 3 and 4 has high strength reaching 350 mpa. Can be suitable for pouring construction.
The composite boards of embodiments 3 and 4 are fixed to the outer side of the outer wall by bolts, and then concrete is poured to directly place the insulation boards on the outer side of the outer wall.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. The fireproof heat-insulating material is characterized in that: the graphite extruded polystyrene board is used as a basic board, wherein one surface of the graphite extruded polystyrene board is compounded with a vitrified microsphere layer, and the raw material composition of the graphite extruded polystyrene board is ethylene,Expanded graphite, talcum powder, flame retardant, carbon black and CO2a blowing agent.
2. The fireproof, heat-insulating and heat-preserving material according to claim 1, wherein: the thickness of the base board is 50 mm-100 mm, the thickness of the vitrified microsphere layer is 8-12mm, and the density of the graphite extruded polystyrene board is 30-35Kg/m3。
3. The fireproof, heat-insulating and heat-preserving material according to claim 1, wherein: the raw material composition of the graphite extruded polystyrene board is 75-85 portions of ethylene, 6-14 portions of expanded graphite, 1-7 portions of talcum powder, 6-11.5 portions of fire retardant, 0.22-2.1 portions of carbon black, CO26-8 parts of a foaming agent.
4. the fireproof, heat-insulating and heat-preserving material according to claim 1, wherein: the other surface of the base plate is compounded with a glue powder polyphenyl granule layer by taking a graphite extruded polyphenyl plate as the base plate.
5. The fireproof, heat-insulating and heat-preserving material according to claim 4, wherein: the thickness of the base board is 50 mm-100 mm, the thickness of the glue powder polyphenyl granule layer is 18-22mm, the thickness of the vitrified micro-bead layer is 8-12mm, and the density of the graphite extruded polystyrene board is 30-35Kg/m3。
6. The fireproof, heat-insulating and heat-preserving material according to claim 4, wherein: the composition of the rubber powder polyphenyl granule layer is as follows: portland cement, fly ash, quartz sand, coarse whiting powder, latex powder tile, an organic silicon water repellent, anti-cracking fiber, cellulose ether, starch ether, a water reducing agent and polyphenyl particles;
Preferably, the mass ratio of the portland cement, the fly ash, the quartz sand, the coarse whiting powder, the latex powder tile, the organic silicon water repellent, the anti-cracking fiber, the cellulose ether, the starch ether and the water reducing agent is 180-190: 24-26: 24-26: 12-13: 9-11: 2-3: 0.7-0.8: 1-2: 1: 1-2;
Further preferably, the mass ratio is 185-188: 24-26: 24-26: 12.4-12.6: 9-11: 2-3: 0.73-0.76: 1-2: 1: 1-2;
Still more preferably, the mass ratio is 187.5: 25: 25: 12.5: 10: 2.5: 0.75: 1.5: 1: 1.5;
Preferably, the polyphenyl granules have a diameter of 4-6mm and are incorporated with 6-8 liters of polyphenyl granules per kilogram of the layer of gelatine powder polyphenyl granules.
7. The fireproof, heat-insulating and heat-preserving material according to claim 4, wherein: the vitrified micro-bead layer comprises the following components in parts by weight: 124-126 parts of Portland cement, 37-38 parts of heavy calcium powder, 12-13 parts of quartz powder, 12-13 parts of fly ash, 62-63 parts of vitrified micro-bead particles, 2-4 parts of organosilicon water repellent, 0.7-0.8 part of anti-crack fiber, 1 part of cellulose ether and 2-3 parts of polyvinyl alcohol;
Preferably, the vitrified micro-bead layer comprises the following components in parts by weight: 125 parts of Portland cement, 37.5 parts of heavy calcium powder, 12.5 parts of quartz powder, 12.5 parts of fly ash, 62.5 parts of vitrified micro-bead particles, 3 parts of organosilicon water repellent, 0.75 part of anti-crack fiber, 1 part of cellulose ether and 2.5 parts of polyvinyl alcohol.
8. The fireproof, heat-insulating and heat-preserving material according to claim 4, wherein: the preparation method of the graphite extruded polystyrene board comprises the following steps: mixing raw materials of ethylene, expanded graphite, talcum powder, flame retardant and carbon black for first plasticizing, and then injecting CO at high pressure2A foaming agent, and then a second plasticizing process and extrusion molding are carried out to obtain the graphite extruded polystyrene board;
preferably, the temperature of the first plasticizing is higher than 190 ℃, the first plasticizing is extruded and plasticized by a screw, and the extrusion length is 9-11 m;
Preferably, the second plasticizing temperature is 90-60 ℃, and the second plasticizing temperature is plasticized by screw extrusion, and the extrusion length is 9-11 m.
9. Use of the fire-resistant thermal insulation material of any one of claims 1 to 8 as a thermal insulation board;
Preferably, the fireproof thermal insulation material of any one of claims 1 to 3 or 6 to 8 is used as a sticking thermal insulation board.
10. Use according to claim 9, characterized in that: use of the fire and heat insulating material according to any of claims 4 to 8 as a cast-in-place insulation board.
CN201910983859.1A 2019-10-16 2019-10-16 Fireproof heat-insulation material and preparation method and application thereof Pending CN110577388A (en)

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Application publication date: 20191217