CN114672266B - Fireproof plugging plate and preparation method and application thereof - Google Patents
Fireproof plugging plate and preparation method and application thereof Download PDFInfo
- Publication number
- CN114672266B CN114672266B CN202011572903.9A CN202011572903A CN114672266B CN 114672266 B CN114672266 B CN 114672266B CN 202011572903 A CN202011572903 A CN 202011572903A CN 114672266 B CN114672266 B CN 114672266B
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- Prior art keywords
- fireproof
- fire
- flame retardant
- organic
- layer
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- 238000002360 preparation method Methods 0.000 title claims abstract description 40
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003063 flame retardant Substances 0.000 claims abstract description 38
- 239000000126 substance Substances 0.000 claims abstract description 31
- 239000000049 pigment Substances 0.000 claims abstract description 30
- 239000004014 plasticizer Substances 0.000 claims abstract description 30
- 229920001971 elastomer Polymers 0.000 claims abstract description 28
- 239000005060 rubber Substances 0.000 claims abstract description 28
- 239000000945 filler Substances 0.000 claims abstract description 27
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 6
- 238000000748 compression moulding Methods 0.000 claims description 57
- 229910000831 Steel Inorganic materials 0.000 claims description 41
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 37
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- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 20
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 18
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- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 description 4
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- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
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- 239000004254 Ammonium phosphate Substances 0.000 description 1
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Classifications
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- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a fireproof plugging plate and a preparation method and application thereof. The fireproof plugging plate contains organic expansion type fireproof glue, which is prepared from the following components in parts by weight: 20-65 parts of rubber matrix, 15-30 parts of refractory filler, 30-60 parts of modified chemical expansion type flame retardant, 3-10 parts of plasticizer, 0.1-1.5 parts of anti-aging agent and 0.1-1 part of pigment. The fireproof plugging plate can be used for fireproof plugging of holes brought by penetrating pieces in buildings or structures, and has excellent fireproof effect.
Description
Technical Field
The invention relates to a fireproof plugging plate, and a preparation method and application thereof, and belongs to the field of high polymer materials.
Background
It is counted that about 4 tens of thousands of fire events occur every 7 seconds worldwide, resulting in about 1.5 tens of thousands of deaths, and a loss of property of up to $ 700. And the situation is worse if there is no fire protection system.
The complete fire protection system comprises two major blocks: active fire protection and passive fire protection. Active fire protection mainly includes: the popularization education of the fire safety awareness of the whole people is improved, the fire detection and alarm system and the automatic fire extinguishing system are adopted; they reduce the occurrence and extent of hazard by preventing discovery and extinguishing fires. Passive fire protection mainly includes: fire walls and fire protection systems that reduce the extent of fire hazard and gain time for firefighters to fight fires by establishing fire zones that hold the fire firmly in place during the occurrence of the fire.
Because of the internal use of the building and the requirement of the building construction, a large number of building pipelines are vertically and horizontally crossed between the floor slab and the wall body (such as ventilation air-conditioning pipelines, smoke-preventing pipelines, water supply and drainage pipelines, heating and power pipelines and other process pipelines) in the building during the construction process, and large holes are formed between the floor slab and the wall body and between the wall body and the wall body. The fire blocking treatment of these large holes is important and necessary to effectively prevent the spread of fire and smoke.
The fireproof blocking materials commonly used at present mainly comprise fireproof blocking plates, foam blocking materials, flame retardant modules, fireproof sealant, flexible organic blocking materials, inorganic blocking materials, fire retarding bags and the like. The fireproof plugging board is formed by compounding a fireproof film layer, a steel wire mesh layer and an aluminum foil layer which are made of stainless steel plate layers and organic polymer materials serving as matrixes and matched with fireproof fillers, fireproof auxiliaries and the like through banburying and mixing, and can generate an expansion layer when being subjected to high temperature effects of fire, heat and the like, so that the purposes of preventing fire spreading and smoke spreading and preventing spontaneous combustion of a backfire face caused by heat conduction can be achieved.
According to investigation, the fireproof plugging board in the current market is formed by compounding four layers of structures of a stainless steel plate layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer, and mainly has the difference in the fireproof film layer, namely, the fireproof film layer with two types:
(1) Organic expansion type fireproof plugging plate: the fireproof film layer adopts the mutual synergistic effect between a chemical expansion system and an organic polymer material, so that an expanded and hard carbonized layer can be formed on a fire receiving surface of the fireproof film layer, and most of flame and heat spreading can be well isolated. Most of the fireproof plugging boards are imported products and are high in price.
(2) Inorganic expansion type fireproof plugging plate: the fireproof film layer adopts an organic polymer material as a matrix, and is filled with a large amount of unexpanded graphite, and the unexpanded graphite can be greatly expanded under the action of high temperature such as fire, heat and the like, so that the spread of flame and heat is isolated. Most of the fireproof plugging plates are made of domestic products, and the cost is low.
Although the domestic inorganic expansion type fireproof plugging board is also partially applied, the following defects mainly exist according to market application condition feedback:
(1) Unexpanded graphite in the inorganic expansion type fireproof plugging plate presents a loose state after being expanded by fire, and the loose expansion layer leads to poor fireproof and heat-insulating performance;
(2) Unexpanded graphite in the inorganic expansion type fireproof plugging plate is easy to generate powder flying around after being expanded by fire, and can greatly influence the visibility of the field when the actual fire occurs, thereby being unfavorable for rescue work;
(3) The addition amount of unexpanded graphite in the inorganic expansion type fireproof plugging plate is large, meanwhile, due to the self-lubricating characteristic of graphite, the adhesion stability of the manufactured fireproof film layer and a steel plate is poor, and the phenomenon that the fireproof film layer and the steel plate layer fall off easily occurs in an outdoor humid environment, so that the application is invalid;
(4) In order to reduce the cost, most inorganic expansion type fireproof plugging plates adopt halogen-containing organic polymer materials, adhesives and the like, and generate great dense smoke when being ignited.
Under the background of the very tight international trade situation, the localization substitution of the organic expansion type fireproof plugging plate is very necessary. The organic expansion type fireproof plugging board with certain market competitiveness, excellent comprehensive performance and no halogen and environment protection is provided, and the technical problem to be solved is urgent.
Disclosure of Invention
The invention aims to provide an organic expansion type fireproof adhesive, a fireproof plugging plate, and a preparation method and application thereof.
The invention provides an organic expansion type fireproof adhesive which is prepared from the following components in parts by weight:
according to an embodiment of the present invention, the rubber matrix is selected from one or more of EVA resin, EVM rubber, styrene-butadiene rubber, and ethylene propylene diene monomer rubber.
For example, the EVA resin has a melt mass flow rate of 2-4g/10min and a melt temperature of 86 ℃; preferably, the EVA resin has a melt mass flow rate of 2.8g/10min and a melt temperature of 86 ℃.
For example, the EVM rubber has a Mooney viscosity (ML1+4, 100 ℃) of 20 to 35;
for example, the content of VA in the EVM rubber is 40 to 60wt%, preferably 50wt%.
For example, the ethylene content of the ethylene-propylene-diene monomer rubber is 50-70wt%, preferably 60wt%;
for example, the Mooney viscosity (ML 125 ℃ C. 1+4) of the ethylene propylene diene monomer is from 35 to 45, preferably 40.
For example, the styrene-butadiene rubber is selected from non-oil extended low temperature emulsion styrene-butadiene rubber; preferably, the emulsifier of the non-oil-extended low-temperature emulsion polymerized styrene-butadiene rubber is fatty acid soap, contains 4.5 to 6.5 percent of bound styrene, and has the Mooney viscosity (ML1+4, 100 ℃) of 19 to 25.
According to an embodiment of the present invention, the refractory filler is selected from one or more of titanium white, kaolin, china clay, mica powder, sodium silicate, diatomaceous earth, silica micropowder and perlite, preferably one or more of titanium white, kaolin, sodium silicate and silica micropowder.
For example, the titanium dioxide content in the titanium dioxide is more than or equal to 91%, such as 91%, 93% and 95%;
for example, the oil absorption of the titanium dioxide is less than or equal to 20g/100g, such as less than or equal to 15g/100g.
For example, the kaolin is calcined kaolin; preferably, the kaolin has a mesh number of 800 to 1500 mesh.
For example, the sodium silicate is hydrated sodium silicate; preferably, the modulus of the sodium silicate is 2.0-3.5; preferably, siO in the sodium silicate 2 The content of (2) is not less than 55%, for example not less than 60%.
For example, the mesh number of the fine silica powder is 500 to 800 mesh; preferably, siO in the silicon micropowder 2 The content of the catalyst is 94% or more, for example 96% or more.
According to an embodiment of the present invention, the modified chemical intumescent flame retardant comprises an acid source, a carbon source, and a gas source, the acid source being selected from one or more of zinc borate, ammonium polyphosphate, and phosphate; the carbon source is selected from one or more of phenolic resin, pentaerythritol and polyamide resin; the gas source is selected from one or more of melamine, glycine and polyurethane.
According to an embodiment of the invention, the weight ratio of the acid source, the carbon source and the air source in the modified chemical intumescent flame retardant is (3-10): 1-3, such as (3.5-6): 1-2): 1, and exemplary are 3.7:1:1.1, 4:1.1:1, 3.6:1:1, and 3.5:1.3:1. The chemical expansion type flame retardant can achieve good chemical expansion effect and form a hard carbonized layer in a high-temperature environment of more than 300 ℃.
According to an embodiment of the present invention, the plasticizer is selected from one or both of TOTM (trioctyl trimellitate) and polyisobutylene.
For example, the polyisobutene may be selected from polyisobutenes having an average molecular weight of 1250 to 1350 and a kinematic viscosity of 645.+ -.40 and/or from isobutene having an average molecular weight of 2450 to 2480 and a kinematic viscosity of 4700.+ -.200.
According to an embodiment of the present invention, the anti-aging agent is selected from one or more of the anti-aging agent 264, the anti-aging agent SP, and the anti-aging agent MBZ.
According to an embodiment of the invention, the pigment is selected from one or both of ferric oxide and ferric oxide.
According to an embodiment of the present invention, the organic intumescent flame retardant is in the form of a sheet.
The invention also provides a preparation method of the organic expansion type fireproof adhesive, which comprises the following steps:
(1) Weighing 20-65 parts of rubber matrix, 15-30 parts of refractory filler, 30-60 parts of modified chemical flame retardant, 3-10 parts of plasticizer, 0.1-1.5 parts of anti-aging agent and 0.1-1 part of pigment, and mixing to obtain a sizing mixture;
(2) And (3) preparing the sizing mixture into a sheet material to obtain the organic expansion type fireproof sizing.
According to an embodiment of the invention, in step (1), the mixing is carried out in an internal mixer. Preferably, the rotational speed during mixing is set to 4000-6000; preferably, the mixing time is 17 to 30 minutes.
According to an embodiment of the invention, in step (2), the sheet may be prepared in a two-roll mill or a die press.
The invention provides an organic expansion type fireproof film layer, which is prepared by mainly taking an organic polymer rubber material as a matrix, adding a fireproof filler, a modified chemical expansion type flame retardant, a plasticizer, an anti-aging agent and a pigment, optimizing the proportion of each component by utilizing a banburying mixing process, and preparing a sheet by a double-roller open mill or a molding press.
The invention also provides application of the organic expansion type fireproof adhesive in fireproof plugging plates.
The invention also provides a fireproof plugging plate which contains the organic expansion type fireproof adhesive.
According to an embodiment of the invention, the fireproof plugging plate comprises a stainless steel plate layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer which are sequentially arranged, wherein the fireproof film layer is prepared from the organic expansion type fireproof adhesive. Preferably, the fireproof plugging plate is formed by compounding a stainless steel plate layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer through mould pressing.
According to the embodiment of the invention, the number of layers of the stainless steel plate layer, the fireproof film layer, the steel wire mesh layer and the aluminum foil layer is one.
According to an embodiment of the present invention, the stainless steel may be 304 stainless steel or galvanized steel. Preferably, the stainless steel plate layer has a thickness of 0.5 to 1.0mm, for example 0.6mm.
According to an embodiment of the invention, the thickness of the fire protection film layer is 2-8.4 mm, for example 8.0mm.
According to embodiments of the present invention, the fire-blocking film layer expands to form a hard carbonized layer upon high temperature stimulation.
According to an embodiment of the invention, the wire mesh has a wire diameter of 1 to 2mm, for example 1.0mm.
According to an embodiment of the invention, the wire mesh has a mesh diameter of 10-40 mm, for example 25mm.
According to an embodiment of the invention, the thickness of the aluminum foil layer is 0.02-0.3 mm.
The length and width dimensions of the stainless steel plate layer, the fireproof film layer, the steel wire mesh layer and the aluminum foil layer can be adjusted according to actual needs.
The invention also provides a preparation method of the fireproof plugging plate, which comprises the following steps:
and sequentially placing the stainless steel plate, the fireproof film, the steel wire mesh and the aluminum foil in a die, performing compression molding, and then performing compression molding to obtain the fireproof plugging plate.
According to an embodiment of the invention, the molding temperature in the compression molding compound is 100 to 140 ℃, for example 120 ℃.
According to an embodiment of the invention, the molding pressure in the compression molding compound is 90-110Mpa, for example 100Mpa.
According to an embodiment of the invention, the molding time in the compression molding composite molding is 10 to 20min, for example 15min.
According to an embodiment of the invention, the compression molding is performed in a platen press.
According to an embodiment of the invention, the cold press setting is performed in a press vulcanizer.
According to an embodiment of the invention, the moulding pressure in the cold press forming is 90-110Mpa, for example 100Mpa.
According to an embodiment of the invention, the cold press forming is carried out for a period of time of between 10 and 20 minutes, for example 15 minutes.
According to an embodiment of the invention, the cold press forming is cooled using tap water.
According to an embodiment of the invention, the cold press forming comprises the following operations: and (3) placing the fireproof plugging plate formed by compression molding in a mold, placing the mold in a flat vulcanizing machine for cold press shaping, cooling by tap water, and performing compression molding under the pressure of 100Mpa for 10-20 min to obtain the fireproof plugging plate.
The invention also provides application of the fireproof blocking plate in a building or a structure, and is preferably used for fireproof blocking of holes brought by penetrating members in the building or the structure, such as various openings formed when power cables, air pipes, oil pipes, air pipes and the like pass through walls and floors and fireproof separation of cable bridges.
The invention has the beneficial effects that:
the performance of the fireproof plugging plate meets the requirements of GB 23864-2009 standard, the fireproof performance is above A2 level, the price is far lower than that of imported brand products, an expansion carbonaceous layer can be generated when the fireproof plugging plate is subjected to high temperature effects such as fire and heat, and the spread combustion of the fire and the heat transfer can be effectively prevented, so that the fireproof plugging plate can provide good protection for non-fire surfaces. The product has good water resistance, oil resistance, corrosion resistance, weather resistance and mechanical property. Does not contain volatile organic compounds, asbestos, fiber dust and other harmful substances, safety, environmental protection and no pollution. Easy cutting, convenient installation and disassembly, tidy and beautiful appearance and strong decorative property. In addition, the product can still maintain the characteristics of normal fireproof function and the like under severe, dirty and other environments, and well solves the defect of the domestic inorganic expansion type fireproof plugging plate product.
The fireproof plugging plate can be used for fireproof plugging of holes brought by penetrating members in buildings or structures, such as various openings formed when power cables, air pipes, oil pipes, air pipes and the like pass through walls and floors and fireproof separation of cable bridges. So as to prevent fire, smoke and the like from spreading through the openings and the gaps, thereby achieving the purposes of reducing the loss caused by fire and increasing the escape opportunity of personnel. Can effectively prevent the spread combustion of fire and the heat transfer, thus providing good protection for the non-fire-receiving surface. The product is easy to cut, convenient to install and detach, neat, attractive and strong in decorative property. In addition, the product can still keep the normal fireproof function under severe, dirty and other environments.
According to the fireproof plugging board, halogen-free environment-friendly materials are selected as raw materials, the environment-friendly performance of the product meets the RoHS 2.0 instruction requirement, no obvious smoke is generated during combustion, and the test results of cadmium, lead, mercury, hexavalent chromium, polybrominated diphenyl ether, phthalate, benzyl phthalate, di (2-ethylhexyl) phthalate and diisobutyl phthalate are tested by SGS (service oriented standard), and meet the limit value requirement of correction instruction (EU) 2011/65/EU annex II 2015/863 of European Union RoHS instruction.
According to the fireproof glue layer in the fireproof plugging plate, through the mutual synergistic effect among the rubber matrix type selection, the fireproof filler and the modified chemical expansion type flame retardant, the prepared fireproof plugging plate can form a hard carbonized layer on the fire receiving surface, the hard carbonized layer is resistant to ablation and also can block the transmission of most flame heat, meanwhile, the modified chemical expansion type flame retardant generates chemical reaction expansion under the high temperature condition, and a large number of tiny micropores are generated in the product, so that the overall heat conductivity is reduced, the transmission of heat is delayed, and the important effect is played on the fireproof heat insulation of the whole fireproof plugging system.
The fireproof heat insulation performance and the reliable bonding performance of the fireproof film layer to the steel plate of the fireproof plugging plate are obviously improved compared with those of domestic products, the performance basically consistent with that of imported products can be achieved, and the fireproof plugging plate can effectively replace the imported products.
Drawings
Fig. 1 is a photograph of the fire-blocking sheet of example 1 at normal temperature.
Fig. 2 is a state diagram of the fire-proof plugging sheet material of example 1 after flame combustion at high temperature (750 ℃ or higher).
FIG. 3 is a diagram showing the flame-retardant plugging sheet material of example 2 after being burned at a high temperature (750 ℃ or higher).
Fig. 4 is a state diagram of the fire-proof plugging sheet material of example 3 after flame combustion at high temperature (750 ℃ or higher).
Detailed Description
The technical scheme of the invention will be further described in detail below with reference to specific embodiments. It is to be understood that the following examples are illustrative only and are not to be construed as limiting the scope of the invention. All techniques implemented based on the above description of the invention are intended to be included within the scope of the invention.
Unless otherwise indicated, the starting materials and reagents used in the following examples were either commercially available or may be prepared by known methods.
Example 1
The fireproof plugging board in the embodiment and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof blocking plate is prepared from the following components
The EVA resin has a melt mass flow rate of 2.8g/10min and a melting temperature of 86 ℃.
The ethylene content of the ethylene propylene diene monomer is 60wt% of ethylene, and the Mooney viscosity (ML 125 ℃ C. 1+4) is 40.
The mesh number of the medium refractory filler silica micropowder is 500-800 meshes, and the content of silicon dioxide is more than or equal to 94%.
The sodium silicate selected by the medium refractory filler is hydrated sodium silicate, the modulus is 2.0-3.5, and the SiO 2 The content is more than or equal to 55 percent.
The modified chemical flame retardant selects ammonium polyphosphate as an acid source, phenolic resin as a carbon source and melamine as an air source, and the weight ratio of the ammonium polyphosphate to the phenolic resin to the melamine is 3.7:1:1.1.
Among the above plasticizers, TOTM plasticizer is selected.
The above-mentioned middle age resister selects age resister 264.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof blocking plate comprises the following steps:
(1) 29 parts of rubber matrix, 24 parts of refractory filler, 41 parts of modified chemical expansion type flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment are weighed and added into an internal mixer for mixing, the rotating speed is set to 5000, and the mixing time is set to 20 minutes, so as to obtain a sizing mixture;
(2) And (3) adding the sizing mixture into a double-roll open mill or a molding press to manufacture sheets with specified size requirements, and obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging plate comprises the following steps:
the fireproof plugging plate is mainly formed by compounding four layers of structures of a stainless steel plate layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer through mould pressing, and comprises the following components:
the stainless steel plate is made of 304 stainless steel, and is characterized by being 0.6mm in thickness and 914mm in length and width.
The fireproof film is the organic expansion fireproof film layer prepared by the method, the thickness of the fireproof film layer is 8.0mm, and the length and the width of the fireproof film layer are 914mm and 914mm.
The wire diameter of the steel wire mesh is 1.0mm, the mesh diameter is 25mm, and the length and width are 910 x 910mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and the width are 914mm and 914mm.
The preparation method of the fireproof plugging plate comprises the following steps:
(1) Placing a stainless steel plate, a fireproof film, a steel wire mesh and an aluminum foil in a die in sequence, placing the die in a flat press for compression molding composite molding, wherein the compression molding temperature is 120 ℃, the compression molding pressure is 100Mpa, and the compression molding time is 15min;
(2) And (3) placing the fireproof plugging plate subjected to compression molding composite forming in a mold, placing the mold in a flat vulcanizing machine for cold press shaping, cooling by tap water, and carrying out compression molding under the pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Example 2
The fireproof plugging board in the embodiment and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof plugging plate provided by the embodiment is prepared from the following components
The EVA resin has a melt mass flow rate of 2.8g/10min and a melting temperature of 86 ℃.
The styrene-butadiene rubber is selected from non-oil-extended low-temperature emulsion polymerized styrene-butadiene rubber, an emulsifier fatty acid soap, 4.5-6.5% of combined styrene and raw rubber Mooney viscosity (ML1+4, 100 ℃) of 19-25.
The medium refractory filler kaolin is calcined kaolin, and the mesh number is 800-1500 mesh.
The sodium silicate selected by the medium refractory filler is hydrated sodium silicate, the modulus is 2.0-3.5, and the SiO 2 The content is more than or equal to 55 percent.
The chemical modified flame retardant selects ammonium polyphosphate as an acid source, phenolic resin as a carbon source and melamine as an air source, and the weight ratio of the ammonium polyphosphate to the phenolic resin to the melamine is 4:1.1:1.
Among the above plasticizers, TOTM plasticizer is selected.
The above-mentioned middle age resister selects age resister 264.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof plugging plate in the embodiment is as follows:
(1) Weighing 30 parts of a rubber matrix, 15 parts of a fireproof filler, 49 parts of a modified chemical expansion type flame retardant, 4 parts of a plasticizer, 1 part of an anti-aging agent and 1 part of a pigment, adding into an internal mixer, and mixing at a rotating speed of 5000 for 15 minutes to obtain a sizing mixture;
(2) And (3) adding the sizing mixture into a double-roll open mill or a molding press to manufacture sheets with specified size requirements, and obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging board comprises the following steps:
the fireproof plugging board provided by the embodiment is mainly formed by the combination of four layers of structures of a stainless steel board layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer through mould pressing, and is composed of the following components:
the stainless steel plate is made of 304 stainless steel, and has the thickness of 0.6mm and the length and width of 914mm.
The fireproof film is the organic expansion fireproof film layer prepared by the method, the thickness of the fireproof film layer is 8.0mm, and the length and the width of the fireproof film layer are 914mm and 914mm.
The wire diameter of the steel wire mesh is 1.0mm, the mesh diameter is 25mm, and the length and width are 910 x 910mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and the width are 914mm and 914mm.
The preparation method of the fireproof plugging plate comprises the following steps:
(1) Placing a stainless steel plate, a fireproof film, a steel wire mesh and an aluminum foil in a die in sequence, placing the die in a flat press for compression molding composite molding, wherein the compression molding temperature is 120 ℃, the compression molding pressure is 100Mpa, and the compression molding time is 15min;
(2) And (3) placing the fireproof plugging plate subjected to compression molding composite forming in a mold, placing the mold in a flat vulcanizing machine for cold press shaping, cooling by tap water, and carrying out compression molding under the pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Example 3
The fireproof plugging board in the embodiment and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof plugging plate provided by the embodiment is prepared from the following components:
the EVM rubber has a Mooney viscosity (ML1+4, 100 ℃) of 20 to 35 and a VA content of 50wt%.
The titanium dioxide content of the medium refractory filler is more than or equal to 91 percent, and the oil absorption is less than or equal to 20g/100g.
The modified chemical flame retardant selects ammonium polyphosphate as an acid source, phenolic resin as a carbon source and melamine as an air source, and the weight ratio of the ammonium polyphosphate to the phenolic resin to the melamine is 3.6:1:1.
The plasticizer is polyisobutene (1) with an average molecular weight of 1250-1350 and a kinematic viscosity of 645+/-40.
The plasticizer is polyisobutene (2) with average molecular weight of 2450-2480 and kinematic viscosity of 4700+/-200.
The above-mentioned middle age resister selects age resister 264.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof plugging plate in the embodiment is as follows:
(1) 29.5 parts of rubber matrix, 14 parts of refractory filler, 50.5 parts of modified chemical expansion type flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment are weighed and added into an internal mixer for mixing, the rotating speed is set to 5000, and the mixing time is set to 10 minutes, so as to obtain a sizing mixture;
(2) And (3) adding the sizing mixture into a double-roll open mill or a molding press to manufacture sheets with specified size requirements, and obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging board comprises the following steps:
the fireproof plugging board provided by the embodiment is mainly formed by the combination of four layers of structures of a stainless steel board layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer through mould pressing, and is composed of the following components:
the stainless steel plate is made of 304 stainless steel, and has the thickness of 0.6mm and the length and width of 914mm.
The fireproof film is the organic expansion fireproof film layer prepared by the method, the thickness of the fireproof film layer is 8.0mm, and the length and the width of the fireproof film layer are 914mm and 914mm.
The wire diameter of the steel wire mesh is 1.0mm, the mesh diameter is 25mm, and the length and width are 910 x 910mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and the width are 914mm and 914mm.
The preparation method of the fireproof plugging plate comprises the following steps:
(1) Placing a stainless steel plate, a fireproof film, a steel wire mesh and an aluminum foil in a die in sequence, placing the die in a flat press for compression molding composite molding, wherein the compression molding temperature is 120 ℃, the compression molding pressure is 100Mpa, and the compression molding time is 15min;
(2) And (3) placing the fireproof plugging plate subjected to compression molding composite forming in a mold, placing the mold in a flat vulcanizing machine for cold press shaping, cooling by tap water, and carrying out compression molding under the pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Example 4
The fireproof plugging board in the embodiment and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof plugging plate provided by the embodiment is prepared from the following components:
the EVM rubber has a Mooney viscosity (ML1+4, 100 ℃) of 20 to 35 and a VA content of 50wt%.
The titanium dioxide content of the medium refractory filler is more than or equal to 91 percent, and the oil absorption is less than or equal to 20g/100g.
The modified chemical flame retardant selects ammonium polyphosphate as an acid source, phenolic resin as a carbon source and melamine as an air source, and the weight ratio of the ammonium polyphosphate to the phenolic resin to the melamine is 3.5:1.3:1.
The plasticizer is polyisobutene (1) with an average molecular weight of 1250-1350 and a kinematic viscosity of 645+/-40.
The plasticizer is polyisobutene (2) with average molecular weight of 2450-2480 and kinematic viscosity of 4700+/-200.
The above-mentioned middle age resister selects age resister 264.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof plugging plate in the embodiment is as follows:
(1) 26 parts of rubber matrix, 10 parts of refractory filler, 58 parts of modified chemical expansion type flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment are weighed and added into an internal mixer for mixing, and the rotational speed is set to 5000 and the mixing time is set for 10 minutes, so as to obtain a sizing mixture;
(2) And (3) adding the sizing mixture into a double-roll open mill or a molding press to manufacture sheets with specified size requirements, and obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging board comprises the following steps:
the fireproof plugging board provided by the embodiment is mainly formed by the combination of four layers of structures of a stainless steel board layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer through mould pressing, and is composed of the following components:
the stainless steel plate is made of 304 stainless steel, and has the thickness of 0.6mm and the length and width of 914mm.
The fireproof film is the organic expansion fireproof film layer prepared by the method, the thickness of the fireproof film layer is 8.0mm, and the length and the width of the fireproof film layer are 914mm and 914mm.
The wire diameter of the steel wire mesh is 1.0mm, the mesh diameter is 25mm, and the length and width are 910 x 910mm.
The thickness of the aluminum foil pair is 0.02-0.3 mm, and the length and the width are 914mm and 914mm.
The preparation method of the fireproof plugging plate comprises the following steps:
(1) Placing a stainless steel plate, a fireproof film, a steel wire mesh and an aluminum foil in a die in sequence, placing the die in a flat press for compression molding composite molding, wherein the compression molding temperature is 120 ℃, the compression molding pressure is 100Mpa, and the compression molding time is 15min;
(2) And (3) placing the fireproof plugging plate subjected to compression molding composite forming in a mold, placing the mold in a flat vulcanizing machine for cold press shaping, cooling by tap water, and carrying out compression molding under the pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
The state of the fireproof plugging plate obtained in the embodiment at normal temperature is shown in fig. 1, the state after high-temperature combustion at 750 ℃ or above is shown in fig. 2-4, and the modified chemical expansion type flame retardant can be seen to generate chemical reaction expansion under the high-temperature condition.
Comparative example 1
The fire-blocking plate provided in this comparative example and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof blocking plate provided by the comparative example is prepared from the following components
The EVA resin has a melt mass flow rate of 2.8g/10min and a melting temperature of 86 ℃.
The ethylene content of the ethylene propylene diene monomer is 60wt% of ethylene, and the Mooney viscosity (ML 125 ℃ C. 1+4) is 40.
The mesh number of the medium refractory filler silica micropowder is 500-800 meshes, and the content of silicon dioxide is more than or equal to 94%.
The sodium silicate selected by the medium refractory filler is hydrated sodium silicate, the modulus is 2.0-3.5, and the SiO 2 The content is more than or equal to 55 percent.
The modified chemical flame retardant selects ammonium polyphosphate as an acid source, phenolic resin as a carbon source and melamine as an air source, and the weight ratio of the ammonium polyphosphate to the phenolic resin to the melamine is 3.2:1:1.
Among the above plasticizers, TOTM plasticizer is selected.
The above-mentioned middle age resister selects age resister 264.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof blocking plate in the comparative example is as follows:
(1) 29 parts of rubber matrix, 39 parts of refractory filler, 26 parts of modified chemical expansion type flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment are weighed and added into an internal mixer for mixing, the rotating speed is set to 5000, and the mixing time is set to 20 minutes, so as to obtain a sizing mixture;
(2) And (3) adding the sizing mixture into a double-roll open mill or a molding press to manufacture sheets with specified size requirements, and obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging board provided by the comparative example comprises the following steps:
the fireproof plugging plate is mainly formed by compounding four layers of structures of a stainless steel plate layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer through mould pressing, and comprises the following components:
the stainless steel plate is made of 304 stainless steel, and has the thickness of 0.6mm and the length and width of 914mm.
The fireproof film is the organic expansion fireproof film layer prepared by the method, the thickness of the fireproof film layer is 8.0mm, and the length and the width of the fireproof film layer are 914mm and 914mm.
The wire diameter of the steel wire mesh is 1.0mm, the mesh diameter is 25mm, and the length and width are 910 x 910mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and the width are 914mm and 914mm.
The preparation method of the fireproof plugging plate comprises the following steps:
(1) Placing a stainless steel plate, a fireproof film, a steel wire mesh and an aluminum foil in a die in sequence, placing the die in a flat press for compression molding composite molding, wherein the compression molding temperature is 120 ℃, the compression molding pressure is 100Mpa, and the compression molding time is 15min;
(2) And (3) placing the fireproof plugging plate subjected to compression molding composite forming in a mold, placing the mold in a flat vulcanizing machine for cold press shaping, cooling by tap water, and carrying out compression molding under the pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Comparative example 2
The fireproof plugging plate in the comparative example and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof blocking plate provided by the comparative example is prepared from the following components:
the EVA resin has a melt mass flow rate of 2.8g/10min and a melting temperature of 86 ℃.
The styrene-butadiene rubber is selected from non-oil-extended low-temperature emulsion polymerized styrene-butadiene rubber, an emulsifier fatty acid soap, 4.5-6.5% of combined styrene and raw rubber Mooney viscosity (ML1+4, 100 ℃) of 19-25.
The medium refractory filler kaolin is calcined kaolin, and the mesh number is 800-1500 mesh.
The sodium silicate selected by the medium refractory filler is hydrated sodium silicate, the modulus is 2.0-3.5, and the SiO 2 The content is more than or equal to 55 percent.
The modified chemical flame retardant selects ammonium polyphosphate as an acid source, phenolic resin as a carbon source and melamine as an air source, and the weight ratio of the ammonium polyphosphate to the phenolic resin to the melamine is 4.2:1.2:1.
Among the above plasticizers, TOTM plasticizer is selected.
The above-mentioned middle age resister selects age resister 264.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof blocking plate in the comparative example is as follows:
(1) Weighing 30 parts of a rubber matrix, 38 parts of a fireproof filler, 26 parts of a modified chemical expansion type flame retardant, 4 parts of a plasticizer, 1 part of an anti-aging agent and 1 part of a pigment, and adding the materials into an internal mixer for mixing, wherein the rotating speed is 5000, and the mixing time is 15 minutes, so as to obtain a sizing mixture;
(2) And (3) adding the sizing mixture into a double-roll open mill or a molding press to manufacture sheets with specified size requirements, and obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging board comprises the following steps:
the fireproof plugging plate provided by the comparative example is mainly formed by compounding four layers of structures of a stainless steel plate layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer through mould pressing, and comprises the following components:
the stainless steel plate is made of 304 stainless steel, and has the thickness of 0.6mm and the length and width of 914mm.
The fireproof film is the organic expansion fireproof film layer prepared by the method, the thickness of the fireproof film layer is 8.0mm, and the length and the width of the fireproof film layer are 914mm and 914mm.
The wire diameter of the steel wire mesh is 1.0mm, the mesh diameter is 25mm, and the length and width are 910 x 910mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and the width are 914mm and 914mm.
The preparation method of the fireproof plugging plate comprises the following steps:
(1) Placing a stainless steel plate, a fireproof film, a steel wire mesh and an aluminum foil in a die in sequence, placing the die in a flat press for compression molding composite molding, wherein the compression molding temperature is 120 ℃, the compression molding pressure is 100Mpa, and the compression molding time is 15min;
(2) And (3) placing the fireproof plugging plate subjected to compression molding composite forming in a mold, placing the mold in a flat vulcanizing machine for cold press shaping, cooling by tap water, and carrying out compression molding under the pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Comparative example 3
The fireproof plugging plate in the comparative example and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof blocking plate provided by the comparative example is prepared from the following components:
the EVM rubber has a Mooney viscosity (ML1+4, 100 ℃) of 20 to 35 and a VA content of 50wt%.
The titanium dioxide content of the medium refractory filler is more than or equal to 91 percent, and the oil absorption is less than or equal to 20g/100g.
The modified chemical flame retardant selects ammonium polyphosphate as an acid source, phenolic resin as a carbon source and melamine as an air source, and the weight ratio of the ammonium polyphosphate to the phenolic resin to the melamine is 1:2.4:2.4.
The plasticizer is polyisobutene (1) with an average molecular weight of 1250-1350 and a kinematic viscosity of 645+/-40.
The plasticizer is polyisobutene (2) with average molecular weight of 2450-2480 and kinematic viscosity of 4700+/-200.
The above-mentioned middle age resister selects age resister 264.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof blocking plate in the comparative example is as follows:
(1) 29.5 parts of rubber matrix, 14 parts of refractory filler, 50.5 parts of modified chemical expansion type flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment are weighed and added into an internal mixer for mixing, the rotating speed is set to 5000, and the mixing time is set to 10 minutes, so as to obtain a sizing mixture;
(2) And (3) adding the sizing mixture into a double-roll open mill or a molding press to manufacture sheets with specified size requirements, and obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging plate of the comparative example is as follows:
the fireproof plugging plate provided by the comparative example is mainly formed by compounding four layers of structures of a stainless steel plate layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer through mould pressing, and comprises the following components:
the stainless steel plate is made of 304 stainless steel, and has the thickness of 0.6mm and the length and width of 914mm.
The fireproof film is the organic expansion fireproof film layer prepared by the method, the thickness of the fireproof film layer is 8.0mm, and the length and the width of the fireproof film layer are 914mm and 914mm.
The wire diameter of the steel wire mesh is 1.0mm, the mesh diameter is 25mm, and the length and width are 910 x 910mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and the width are 914mm and 914mm.
The preparation method of the fireproof plugging plate comprises the following steps:
(1) Placing a stainless steel plate, a fireproof film, a steel wire mesh and an aluminum foil in a die in sequence, placing the die in a flat press for compression molding composite molding, wherein the compression molding temperature is 120 ℃, the compression molding pressure is 100Mpa, and the compression molding time is 15min;
(2) And (3) placing the fireproof plugging plate subjected to compression molding composite forming in a mold, placing the mold in a flat vulcanizing machine for cold press shaping, cooling by tap water, and carrying out compression molding under the pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Comparative example 4
The fireproof plugging plate in the comparative example and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof blocking plate provided by the comparative example is prepared from the following components:
the EVM rubber has a Mooney viscosity (ML1+4, 100 ℃) of 20 to 35 and a VA content of 50wt%.
The titanium dioxide content of the medium refractory filler is more than or equal to 91 percent, and the oil absorption is less than or equal to 20g/100g.
The modified chemical flame retardant selects ammonium polyphosphate as an acid source, phenolic resin as a carbon source and melamine as an air source, and the weight ratio of the ammonium polyphosphate to the phenolic resin to the melamine is 3.4:1.3:1.
The plasticizer is polyisobutene (1) with an average molecular weight of 1250-1350 and a kinematic viscosity of 645+/-40.
The plasticizer is polyisobutene (2) with average molecular weight of 2450-2480 and kinematic viscosity of 4700+/-200.
The above-mentioned middle age resister selects age resister 264.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof blocking plate in the comparative example is as follows:
(1) 26 parts of rubber matrix, 68 parts of modified chemical expansion type flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment are weighed and added into an internal mixer for mixing, the rotating speed is set to 5000, and the mixing time is 10 minutes, so as to obtain a sizing mixture;
(2) And (3) adding the sizing mixture into a double-roll open mill or a molding press to manufacture sheets with specified size requirements, and obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging plate of the comparative example is as follows:
the fireproof plugging plate provided by the comparative example is mainly formed by compounding four layers of structures of a stainless steel plate layer, a fireproof film layer, a steel wire mesh layer and an aluminum foil layer through mould pressing, and comprises the following components:
the stainless steel plate is made of 304 stainless steel, and has the thickness of 0.6mm and the length and width of 914mm.
The fireproof film is the organic expansion fireproof film layer prepared by the method, the thickness of the fireproof film layer is 8.0mm, and the length and the width of the fireproof film layer are 914mm and 914mm.
The wire diameter of the steel wire mesh is 1.0mm, the mesh diameter is 25mm, and the length and width are 910 x 910mm.
The thickness of the aluminum foil pair is 0.02-0.3 mm, and the length and the width are 914mm and 914mm.
The preparation method of the fireproof plugging plate comprises the following steps:
(1) Placing a stainless steel plate, a fireproof film, a steel wire mesh and an aluminum foil in a die in sequence, placing the die in a flat press for compression molding composite molding, wherein the compression molding temperature is 120 ℃, the compression molding pressure is 100Mpa, and the compression molding time is 15min;
(2) And (3) placing the fireproof plugging plate subjected to compression molding composite forming in a mold, placing the mold in a flat vulcanizing machine for cold press shaping, cooling by tap water, and carrying out compression molding under the pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Test case
Table 1 below shows the results of performance tests of the fire-blocking plates prepared in examples 1 to 4.
TABLE 1
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The fire-resistant heat-insulating performance, expansion ratio and high-temperature and high-humidity resistant performance among the 4 examples, the comparative examples, imported products (DC-A2-3M-CS 195+ of 3M) and domestic products (DC-A2-Pyrostop 911S of Jilin zebras) are compared and tested by a self-defining test method, and the performance test results are as follows:
1. fire-resistant and heat-insulating performance test
(1) The test method is briefly described: referring to clauses 5.2 and 6.16 in GB 23864-2009, a single-point combustion test method is adopted, a 300mm fireproof plugging plate is adopted, a temperature measuring device is arranged on the back of the fireproof plugging plate, butane gas source flame is adopted on the front of the fireproof plugging plate to carry out fire, and the time required by the temperature rise of a back thermometer to 180 ℃ is observed.
(2) The test results are shown in Table 2.
TABLE 2
2. Expansion ratio test
(1) The test method is briefly described: after the fire-resistant heat-insulating performance test is finished, the thickness of the sample piece is changed before and after burning, and the expansion ratio is obtained.
(2) The test results are shown in Table 3.
TABLE 3 Table 3
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3. High temperature and high humidity resistance
(1) The test method is briefly described: the samples were made 50 x 50mm, placed in a constant temperature and humidity cabinet at 85 ℃ and 85HR for 30 days, and the time for the sample to begin to fall off between the fire-proof film layer and the steel plate was observed.
(2) The test results are shown in Table 4.
TABLE 4 Table 4
4. Environmental protection performance test
The environmental protection performance of examples 1-4 meets the RoHS 2.0 instruction requirement, no obvious smoke is generated during combustion, and the test results of cadmium, lead, mercury, hexavalent chromium, polybrominated diphenyl ether, phthalate, benzyl phthalate, di (2-ethylhexyl) phthalate and diisobutyl phthalate meet the limit requirements of modification instruction (EU) 2015/863 of European Union RoHS instruction 2011/65/EU annex two through SGS detection.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (17)
1. The organic expansion type fireproof adhesive is characterized by being prepared from the following components in parts by weight:
the rubber matrix is selected from EVM rubber, or a combination of EVA resin and styrene-butadiene rubber, or a combination of EVA resin and ethylene propylene diene monomer rubber;
the refractory filler is selected from the group consisting of a combination of sodium silicate and silica micropowder, a combination of sodium silicate and kaolin, or titanium dioxide;
the modified chemical intumescent flame retardant consists of an acid source, a carbon source and a gas source, wherein the acid source is selected from ammonium polyphosphate; the carbon source is selected from one of phenolic resin and pentaerythritol; the gas source is selected from melamine;
in the modified chemical intumescent flame retardant, the weight ratio of the acid source to the carbon source to the air source is (3.5-4): 1-1.3): 1;
the plasticizer is selected from one or two of trioctyl trimellitate and polyisobutene.
2. The organic intumescent flame retardant of claim 1 wherein the EVA resin has a melt mass flow rate of 2-4g/10min and a melt temperature of 86 ℃;
and/or, the Mooney viscosity (ML1+4, 100 ℃) of the EVM rubber is 20-35, and the VA content of the EVM rubber is 40-60wt%.
3. The organic expansion type fireproof glue according to claim 1, wherein the ethylene content in the ethylene propylene diene monomer rubber is 50-70wt%;
and/or the Mooney viscosity (ML 125 ℃ C. 1+4) of the ethylene propylene diene monomer is 35-45.
4. The organic intumescent flame retardant rubber of claim 1 wherein said styrene butadiene rubber is selected from the group consisting of non-oil extended low temperature emulsion polymerized styrene butadiene rubber; the emulsifier of the non-oil-filled low-temperature emulsion polymerized styrene-butadiene rubber is fatty acid soap, contains 4.5-6.5% of bound styrene, and has a Mooney viscosity (ML1+4, 100 ℃) of 19-25.
5. The organic intumescent flame retardant of claim 1 wherein the polyisobutylene is selected from polyisobutylene having an average molecular weight of 1250 to 1350 and a kinematic viscosity of 645±40 and/or from polyisobutylene having an average molecular weight of 2450 to 2480 and a kinematic viscosity of 4700±200.
6. The organic intumescent flame retardant of claim 1 wherein the antioxidant is selected from one or more of the group consisting of antioxidant 264, antioxidant SP and antioxidant MBZ.
7. The organic intumescent flame retardant of claim 1 wherein the pigment is selected from one or both of ferric oxide and ferric oxide.
8. The organic intumescent flame retardant of any of claims 1-7, wherein the organic intumescent flame retardant is in the form of a sheet.
9. The method for preparing the organic intumescent flame retardant as claimed in any one of claims 1-8, characterized in that the preparation method comprises the following steps:
(1) Weighing 26-30 parts of rubber matrix, 15-24 parts of refractory filler, 41-58 parts of modified chemical expansion type flame retardant, 4-5 parts of plasticizer, 1-1.5 parts of anti-aging agent and 1 part of pigment, and mixing to obtain a sizing mixture;
(2) And (3) preparing the sizing mixture into a sheet material to obtain the organic expansion type fireproof sizing.
10. Use of an organic intumescent fire-resistant glue as claimed in any one of claims 1-8 in a fire-resistant closure panel.
11. A fire-resistant closure panel, characterized in that it comprises an organic intumescent fire-resistant glue according to any one of claims 1 to 8.
12. The fire resistant closure panel of claim 11, wherein the fire resistant closure panel comprises a stainless steel sheet layer, a fire resistant film layer, a steel wire mesh layer, and an aluminum foil layer arranged in sequence, the fire resistant film layer being prepared from the organic intumescent fire resistant glue.
13. The fire resistant closure panel of claim 12, wherein the fire resistant closure panel is formed from a composite of stainless steel sheet layers, fire resistant film layers, steel wire mesh layers, and aluminum foil layers by compression molding.
14. The fire-resistant closure panel according to any one of claims 12-13, wherein the number of layers of stainless steel sheet layer, fire-resistant film layer, steel wire mesh layer and aluminum foil layer are all one;
and/or the stainless steel is 304 stainless steel or galvanized steel;
and/or the thickness of the fireproof film layer is 2-8.4 mm;
and/or the fireproof film layer expands to form a hard carbonized layer after being stimulated by high temperature;
and/or the wire diameter of the steel wire mesh is 1-2 mm;
and/or the mesh diameter of the steel wire mesh is 10-40 mm;
and/or the thickness of the aluminum foil layer is 0.02-0.3 mm.
15. A method of making a fire resistant closure panel according to any one of claims 12 to 14, wherein the method of making comprises the steps of:
and sequentially placing the stainless steel plate, the fireproof film, the steel wire mesh and the aluminum foil in a die, performing compression molding, and then performing compression molding to obtain the fireproof plugging plate.
16. Use of a fire protection closure panel according to any one of claims 11 to 14 in a building or structure.
17. The use according to claim 16, wherein the fire-blocking plate is used for fire-blocking of holes brought about by penetrations in a building or structure.
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| JPH05202340A (en) * | 1991-11-27 | 1993-08-10 | Sekisui Chem Co Ltd | Flame-retardant tacky adhesive tape and fixing of sheet for construction |
| CN101220191A (en) * | 2008-01-29 | 2008-07-16 | 北京理工大学 | Grease-proof, heat-resistant expansion type flame-proof rubber |
| CN101323774A (en) * | 2008-07-28 | 2008-12-17 | 公安部四川消防研究所 | Expansion type fireproofing glue strip for construction |
| CN101704976A (en) * | 2009-11-27 | 2010-05-12 | 北京化工大学 | Low smoke halogen-free flame retardant ethylene-propylene-diene rubber and preparation method by extrusion molding thereof |
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2020
- 2020-12-24 CN CN202011572903.9A patent/CN114672266B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05202340A (en) * | 1991-11-27 | 1993-08-10 | Sekisui Chem Co Ltd | Flame-retardant tacky adhesive tape and fixing of sheet for construction |
| CN101220191A (en) * | 2008-01-29 | 2008-07-16 | 北京理工大学 | Grease-proof, heat-resistant expansion type flame-proof rubber |
| CN101323774A (en) * | 2008-07-28 | 2008-12-17 | 公安部四川消防研究所 | Expansion type fireproofing glue strip for construction |
| CN101704976A (en) * | 2009-11-27 | 2010-05-12 | 北京化工大学 | Low smoke halogen-free flame retardant ethylene-propylene-diene rubber and preparation method by extrusion molding thereof |
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