CN114672266A - Fireproof plugging plate and preparation method and application thereof - Google Patents
Fireproof plugging plate and preparation method and application thereof Download PDFInfo
- Publication number
- CN114672266A CN114672266A CN202011572903.9A CN202011572903A CN114672266A CN 114672266 A CN114672266 A CN 114672266A CN 202011572903 A CN202011572903 A CN 202011572903A CN 114672266 A CN114672266 A CN 114672266A
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- CN
- China
- Prior art keywords
- fireproof
- fire
- layer
- film layer
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
- 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
- C08L2205/02—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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- C—CHEMISTRY; METALLURGY
- 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
Abstract
The invention discloses a fireproof plugging plate and a preparation method and application thereof. The fireproof plugging plate contains organic intumescent fireproof glue and is prepared from the following components in parts by weight: 20-65 parts of a rubber matrix, 15-30 parts of a fire-resistant filler, 30-60 parts of a modified chemical intumescent flame retardant, 3-10 parts of a plasticizer, 0.1-1.5 parts of an anti-aging agent and 0.1-1 part of a pigment. The fireproof plugging plate can be used for fireproof plugging of holes caused by penetrating pieces in buildings or structures, and is excellent in fireproof effect.
Description
Technical Field
The invention relates to a fireproof plugging plate and a preparation method and application thereof, belonging to the field of high polymer materials.
Background
According to statistics, about 4 million fire incidents occur every 7 seconds in the world, causing about 1.5 million deaths and property loss as high as 700 billion dollars. Without a fire protection system, the situation would be worse.
The complete fire protection system consists of two large blocks: active fire protection and passive fire protection. The active fire protection mainly comprises: the popularization education for improving the safety consciousness of the civil fire, a fire detection and alarm system and an automatic fire extinguishing system are improved; they reduce the occurrence and extent of fire by preventing discovery and extinguishing fires. Passive fire protection mainly includes: the fire-proof wall and the fire-proof blocking system can reduce the hazard level of the fire and save time for fire fighters by establishing a fire-proof partition to firmly control the fire in a certain area when the fire occurs.
Due to the use in the building and the requirement of building construction, a large number of building pipelines (such as ventilation air-conditioning pipelines, smoke-proof pipelines, water supply and sewerage pipelines, heating and power pipelines and other process pipelines) can penetrate between the floor and the wall in the building process, and large holes are formed between the floor and the wall and between the wall and the wall. The fire blocking treatment of these large holes is very important and necessary to effectively prevent fire and smoke from spreading.
The commonly used fireproof plugging materials at present mainly comprise fireproof plugging plates, foam plugging materials, flame-retardant modules, fireproof sealant, flexible organic plugging materials, inorganic plugging materials, fire retardant bags and the like. The fireproof plugging plate is formed by compounding a fireproof film layer, a steel wire mesh layer and an aluminum foil layer which are prepared by taking a stainless steel plate layer and an organic polymer material as a matrix and matching with refractory fillers, refractory additives and the like through processes of refining, mixing and the like, and can generate an expansion layer when subjected to high temperature action such as fire, heat and the like, so that the aims of preventing fire spreading and smoke spreading and preventing spontaneous combustion of a back fire surface caused by heat conduction can be fulfilled.
According to the research, fire prevention shutoff panel forms by the stainless steel sheet layer, fire prevention film layer, steel wire mesh layer, the compound of aluminium foil layer four-layer structure on the existing market, and main difference lies in fire prevention film layer, the fire prevention film layer of total two kinds of forms:
(1) Organic expansion type fireproof plugging sheet material: the fire-proof film layer adopts the mutual synergistic effect between a chemical expansion system and an organic high polymer material, so that a fire-receiving surface of the fire-proof film layer can form an expanded and hard carbonization layer, and most of flame and heat spread can be well isolated. Most of the fireproof plugging plates are imported products and are expensive.
(2) Inorganic expansion type fireproof plugging sheet material: the fireproof film layer adopts organic polymer material as a matrix, is filled with a large amount of unexpanded graphite, and can be expanded greatly under the action of high temperature such as fire, heat and the like so as to isolate the spread of flame and heat. Most of the fireproof plugging plates are domestic products and have low price.
Although the domestic inorganic expansion type fireproof plugging sheet material has partial application, the domestic inorganic expansion type fireproof plugging sheet material mainly has the following defects according to the feedback of market application conditions:
(1) the unexpanded graphite in the inorganic intumescent fireproof plugging sheet is in a loose state after being expanded by fire, and the loose expansion layer causes poor fire resistance and heat insulation performance;
(2) the unexpanded graphite in the inorganic intumescent fireproof plugging sheet is easy to generate powder flying around after being expanded by fire, can greatly influence the field visibility when a real fire disaster happens, and is not beneficial to rescue work;
(3) The addition amount of unexpanded graphite in the inorganic intumescent fireproof plugging sheet material is large, and simultaneously, due to the self-lubricating property of the graphite, the prepared fireproof film layer and a steel plate have poor bonding stability, so that the phenomenon that the fireproof film layer and the steel plate layer fall off easily occurs in an outdoor humid environment, and 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 subjected to fire.
Under the background of the very tense situation of international trade at present, the localization replacement of the organic expansion type fireproof plugging sheet is very necessary. The organic expansion type fireproof plugging sheet material which has certain market competitiveness, excellent comprehensive performance and no halogen and is environment-friendly is provided, and the technical problem to be solved is urgently needed.
Disclosure of Invention
The invention aims to provide an organic intumescent fire-proof adhesive, a fire-proof plugging plate and a preparation method and application thereof.
The invention provides an organic intumescent fire-proof 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 melt mass flow rate of the EVA resin is 2-4g/10min, and the melting temperature is 86 ℃; preferably, the EVA resin has a melt mass flow rate of 2.8g/10min and a melting temperature of 86 ℃.
For example, the Mooney viscosity (ML1+4,100 ℃) of the EVM rubber is 20-35;
for example, the EVM rubber has a VA content of 40 to 60 wt%, preferably 50 wt%.
For example, the ethylene content of the ethylene-propylene-diene rubber is 50 to 70 wt%, preferably 60 wt%;
for example, the ethylene-propylene-diene monomer has a Mooney viscosity (ML125 ℃ C. 1+4) of 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 styrene-butadiene rubber is fatty acid soap containing 4.5-6.5% of bound styrene, and the Mooney viscosity (ML1+4,100 ℃) of the raw rubber is 19-25.
According to an embodiment of the present invention, the refractory filler is selected from one or more of titanium dioxide, kaolin, china clay, mica powder, sodium silicate, diatomite, silica micropowder and perlite, preferably from one or more of titanium dioxide, kaolin, sodium silicate and silica micropowder.
For example, the content of titanium dioxide in the titanium dioxide is more than or equal to 91 percent, such as 91 percent, 93 percent and 95 percent;
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/100 g.
For example, the kaolin is calcined kaolin; preferably, the mesh number of the kaolin is 800-1500 meshes.
For example, the sodium silicate is sodium silicate hydrate; preferably, the modulus of the sodium silicate is 2.0-3.5; preferably, SiO in the sodium silicate2The content of (b) is 55% or more, for example 60% or more.
For example, the mesh number of the silicon micro powder is 500-800 meshes; preferably, SiO in the silicon micropowder2The content of (b) is 94% or more, for example 96% or more.
According to an embodiment of the invention, the modified chemical intumescent flame retardant comprises an acid source, a carbon source and a gas source, wherein the acid source is selected from one or more of zinc borate, ammonium polyphosphate and phosphate ester; 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 polyamino acid ester.
According to an embodiment of the invention, the weight ratio of the acid source, the carbon source and the gas source in the modified chemical intumescent flame retardant is (3-10): 1-3, for example, (3.5-6): 1-2): 1, and is illustratively 3.7:1:1.1, 4:1.1:1, 3.6:1:1, 3.5:1.3: 1. The chemical intumescent flame retardant can achieve a good chemical intumescent effect in a high-temperature environment of more than 300 ℃ and form a hard carbonized layer.
According to an embodiment of the present invention, the plasticizer is one or two selected from TOTM (trioctyl trimellitate) and polyisobutylene.
For example, the polyisobutene can 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 antioxidant is selected from one or more of antioxidant 264, antioxidant SP and antioxidant MBZ.
According to an embodiment of the present invention, the pigment is selected from one or two of ferric oxide and ferroferric oxide.
According to an embodiment of the invention, the organic intumescent fire-blocking glue is in the form of a sheet.
The invention also provides a preparation method of the organic intumescent fire-proof 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 rubber material mixture;
(2) and preparing the sizing material mixture into a sheet to obtain the organic expansion type fireproof adhesive.
According to an embodiment of the invention, in step (1), the mixing is carried out in an internal mixer. Preferably, the rotation speed during mixing is set to 4000-; preferably, the mixing time is 17-30 min.
According to an embodiment of the present invention, in step (2), the sheet may be prepared in a two-roll mill or a molding press.
The organic intumescent fire-proof film layer provided by the invention is prepared by mainly using an organic polymer rubber material as a matrix, adding a fire-resistant filler, a modified chemical intumescent flame retardant, a plasticizer, an anti-aging agent and a pigment, optimizing the ratio of the components by an internal mixing process, and preparing the mixture into a sheet by a double-roll open mill or a die press to obtain the organic intumescent fire-proof film layer.
The invention also provides application of the organic intumescent fire-proof glue in a fire-proof plugging plate.
The invention also provides a fireproof plugging plate which contains the organic intumescent fireproof glue.
According to the 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 intumescent fireproof glue. 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 stainless steel plate layer, the fireproof film layer, the steel wire mesh layer and the aluminum foil layer are all one layer.
According to an embodiment of the present invention, the stainless steel may be 304 stainless steel or galvanized steel. Preferably, the thickness of the stainless steel plate layer is 0.5-1.0 mm, for example 0.6 mm.
According to an embodiment of the present invention, the thickness of the fire-proof film layer is 2 to 8.4mm, for example 8.0 mm.
According to an embodiment of the present invention, the fire-proof film layer expands to form a hard carbonized layer after being stimulated by high temperature.
According to an embodiment of the invention, the wire mesh has a wire diameter of 1-2 mm, for example 1.0 mm.
According to an embodiment of the invention, the wire mesh has a mesh aperture of 10 to 40mm, for example 25 mm.
According to the embodiment of the invention, the thickness of the aluminum foil layer is 0.02-0.3 mm.
The length and width 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 rubber sheet, the steel wire mesh and the aluminum foil in a mould, performing mould pressing composite forming, and performing cold pressing and shaping to obtain the fireproof plugging plate.
According to the embodiment of the invention, the compression temperature in the compression molding composite forming is 100-140 ℃, for example 120 ℃.
According to an embodiment of the present invention, the compression pressure in the compression composite molding is 90-110Mpa, such as 100 Mpa.
According to the embodiment of the invention, the molding time in the molding composite forming is 10-20 min, such as 15 min.
According to an embodiment of the invention, the press composite forming is performed in a flat press.
According to an embodiment of the invention, the cold press forming is performed in a press vulcanizer.
According to an embodiment of the invention, the compression pressure in the cold press forming is 90-110Mpa, such as 100 Mpa.
According to the embodiment of the invention, the cold press forming die pressing time is 10-20 min, such as 15 min.
According to an embodiment of the invention, the cold press forming is cooled using tap water.
According to an embodiment of the invention, said cold press forming comprises the following operations: and (3) placing the fireproof plugging plate subjected to mould pressing composite forming in a mould, placing the mould in a flat vulcanizing machine for cold pressing and shaping, and cooling by using tap water, wherein the mould pressing pressure is 100Mpa, and the mould pressing time is 10-20 min, so that the fireproof plugging plate is obtained.
The invention also provides the application of the fireproof plugging plate in buildings or structures, and is preferably used for fireproof plugging of holes caused by penetrating pieces in the buildings or structures, such as various openings formed when power cables, air pipes, oil pipes, air pipes and the like penetrate through walls and floors and fireproof separation of cable bridges.
The invention has the beneficial effects that:
the performance of the fire-proof plugging plate meets the requirements of GB 23864-2009 standard, the fire-proof performance is above A2 level, the price is far lower than that of imported brand products, and an expanded carbon layer can be generated when the fire-proof plugging plate is subjected to high temperature action such as fire, heat and the like, so that the spread combustion of the fire and the heat transfer can be effectively prevented, and the fire-proof plugging plate can provide good protection for non-fire-receiving surfaces. The product has good water resistance, oil resistance, corrosion resistance, weather resistance and mechanical properties. The environment-friendly and environment-friendly composite material does not contain harmful substances such as volatile organic compounds, asbestos, fiber dust and the like, and is safe, environment-friendly and pollution-free. Easy cutting, convenient installation and disassembly, neatness, beauty and strong decoration. In addition, the product can still keep the normal fireproof function and the like under the severe and dirty environments, and the defect problem of the domestic inorganic expansion type fireproof plugging sheet product is well solved.
The fireproof plugging plate can be used for fireproof plugging of holes caused by penetrating pieces in buildings or structures, such as various openings formed when power cables, air pipes, oil pipes, air pipes and the like penetrate 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 people. Can effectively prevent the spread combustion of fire and the heat transfer, thereby providing good protection for the non-fire-receiving surface. The product is easy to cut, convenient to install and disassemble, neat, attractive and strong in decoration. In addition, the product can still keep the normal fireproof function under the severe and dirty environments.
According to the fireproof plugging sheet material, 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 biphenyl, polybrominated diphenyl ether, phthalate, benzyl phthalate, di (2-ethylhexyl) phthalate and diisobutyl phthalate meet the limit value requirement of the correction instruction (EU)2015/863 of European Union RoHS instruction 2011/65/EU appendix II through SGS detection.
According to the fireproof glue layer in the fireproof plugging plate, the prepared fireproof plugging plate can form a hard carbonized layer on the fire surface through the mutual synergistic action among the selection of the type of the rubber matrix, the fireproof filler and the modified chemical intumescent flame retardant, the hard carbonized layer is resistant to ablation and also blocks most of flame heat transmission, the modified chemical intumescent flame retardant is subjected to chemical reaction expansion at high temperature, a large number of tiny micropores are generated in the product, so that the overall heat conductivity coefficient is reduced, the heat transmission is delayed, and the fireproof glue layer plays a vital role in the fireproof heat insulation of the whole fireproof plugging system.
The fireproof heat-insulating performance of the fireproof plugging plate and the reliability of the adhesion of the fireproof film layer to the steel plate are obviously improved compared with 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 fireproof plugging sheet material in example 1 at normal temperature.
FIG. 2 is a state diagram of the fireproof plugging sheet material of example 1 after high temperature (above 750 ℃) flame combustion.
FIG. 3 is a state diagram of the fireproof plugging sheet material of example 2 after high temperature (above 750 ℃) flame combustion.
FIG. 4 is a state diagram of the fireproof plugging sheet material of example 3 after high temperature (above 750 ℃) flame combustion.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to specific embodiments. It is to be understood that the following examples are only illustrative and explanatory of the present invention and should not be construed as limiting the scope of the present invention. All the technologies realized based on the above-mentioned contents of the present invention are covered in the protection scope of the present invention.
Unless otherwise indicated, the raw materials and reagents used in the following examples are all commercially available products or can be prepared by known methods.
Example 1
The fireproof plugging sheet material in the embodiment and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof plugging sheet material is prepared from the following components
The melt mass flow rate of the EVA resin is 2.8g/10min, and the melting temperature is 86 ℃.
The ethylene-propylene-diene monomer rubber has the ethylene content of 60 wt% and the Mooney viscosity (ML125 ℃ C. 1+4) of 40.
The mesh number of the medium-fire-resistant filler silicon micro powder is 500-800 meshes, and the content of silicon dioxide is more than or equal to 94%.
The sodium silicate selected as the middle fire-resistant filler is hydrated sodium silicate, the modulus is 2.0-3.5, and SiO is2The content is more than or equal to 55 percent.
Ammonium polyphosphate is selected as an acid source, phenolic resin is selected as a carbon source, and melamine is selected as an air source, wherein the weight ratio of the ammonium polyphosphate to the phenolic resin is 3.7:1: 1.1.
The plasticizer is TOTM plasticizer.
The antioxidant 264 is selected as the intermediate antioxidant.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferroferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof plugging sheet material comprises the following steps:
(1) weighing 29 parts of rubber matrix, 24 parts of refractory filler, 41 parts of modified chemical intumescent flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment, adding the materials into an internal mixer, mixing, setting the rotating speed at 5000, and mixing for 20min to obtain a sizing material mixture;
(2) and adding the sizing material mixture into a double-roller open mill or a die press to prepare sheets with specified size requirements, thereby obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging sheet material comprises the following steps:
the fireproof plugging plate is mainly formed by compounding four-layer 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 having a thickness of 0.6mm and a length and width of 914 x 914 mm.
The fireproof film is the organic expansion type fireproof film layer prepared by the method, the thickness of the organic expansion type fireproof film layer is 8.0mm, and the length and the width of the organic expansion type fireproof film layer are 914 x 914 mm.
The diameter of the steel wire mesh is 1.0mm, the aperture of the steel wire mesh is 25mm, and the length and the width of the steel wire mesh are 910 x 910 mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and width of the aluminum foil is 914 mm.
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 mould in sequence, placing the mould in a flat press machine for mould pressing composite forming, wherein the mould pressing temperature is 120 ℃, the mould pressing pressure is 100Mpa, and the mould pressing time is 15 min;
(2) and (3) placing the fireproof plugging sheet material subjected to mould pressing composite forming into a mould, placing the mould into a flat vulcanizing machine for cold pressing and shaping, and cooling through tap water at the mould pressing pressure of 100Mpa for 10min to obtain the fireproof plugging sheet material.
Example 2
The fireproof plugging sheet material in the embodiment and the preparation method thereof are as follows:
1. the organic intumescent fire-proof film layer in the fire-proof plugging plate provided by the embodiment is prepared from the following components
The melt mass flow rate of the EVA resin is 2.8g/10min, and the melting temperature is 86 ℃.
The styrene-butadiene rubber is non-oil-extended low-temperature emulsion polymerized styrene-butadiene rubber, emulsifier fatty acid soap is 4.5-6.5% of bound styrene, and the Mooney viscosity (ML1+4,100 ℃) of raw rubber is 19-25.
The kaolin as the middle fire-resistant filler is calcined kaolin, and the mesh number of the calcined kaolin is 800-1500 meshes.
The sodium silicate selected as the middle fire-resistant filler is hydrated sodium silicate, the modulus is 2.0-3.5, and SiO is2The content is more than or equal to 55 percent.
Ammonium polyphosphate is selected as an acid source, phenolic resin is selected as a carbon source, and melamine is selected as an air source, wherein the weight ratio of the ammonium polyphosphate to the phenolic resin is 4:1.1: 1.
The plasticizer is TOTM plasticizer.
The antioxidant 264 is selected from the antioxidant.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferroferric oxide.
The preparation method of the organic intumescent fire-proof film layer in the fire-proof blocking plate in the embodiment is as follows:
(1) Weighing 30 parts of rubber matrix, 15 parts of refractory filler, 49 parts of modified chemical intumescent flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment, adding the materials into an internal mixer for mixing, setting the rotating speed at 5000, and mixing for 15min to obtain a sizing material mixture;
(2) and adding the sizing material mixture into a double-roller open mill or a die press to prepare sheets with specified size requirements, thereby obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging sheet material comprises the following steps:
the fire prevention shutoff panel that this embodiment provided mainly forms through the mould pressing complex by stainless steel sheet layer, fire prevention film layer, steel wire mesh layer, aluminium foil layer four-layer structure, comprises following component:
the stainless steel plate is made of 304 stainless steel, the thickness of the stainless steel plate is 0.6mm, and the length and the width of the stainless steel plate are 914 x 914 mm.
The fireproof film is the organic expansion type fireproof film layer prepared by the method, the thickness of the organic expansion type fireproof film layer is 8.0mm, and the length and the width of the organic expansion type fireproof film layer are 914 x 914 mm.
The diameter of the steel wire mesh is 1.0mm, the aperture of the steel wire mesh is 25mm, and the length and the width of the steel wire mesh are 910 x 910 mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and width of the aluminum foil is 914 mm.
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 mould in sequence, placing the mould in a flat press machine for mould pressing composite forming, wherein the mould pressing temperature is 120 ℃, the mould pressing pressure is 100Mpa, and the mould pressing time is 15 min;
(2) And (3) placing the fireproof plugging plate subjected to mould pressing composite forming in a mould, placing the mould in a flat vulcanizing machine for cold pressing and shaping, cooling by tap water, and performing mould pressing at the mould pressing pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Example 3
The fireproof plugging sheet material in the embodiment and the preparation method thereof are as follows:
1. the organic intumescent fire-proof film layer in the fire-proof plugging plate provided by the embodiment is prepared from the following components:
the medium EVM rubber has a Mooney viscosity (ML1+4,100 ℃) of 20-35 and a VA content of 50 wt%.
The titanium dioxide selected as the refractory filler has the titanium dioxide content of more than or equal to 91 percent and the oil absorption of less than or equal to 20g/100 g.
Ammonium polyphosphate is selected as an acid source, phenolic resin is selected as a carbon source, and melamine is selected as an air source, wherein the weight ratio of the ammonium polyphosphate to the phenolic resin is 3.6:1: 1.
The plasticizer is polyisobutylene with average molecular weight of 1250-1350 and kinematic viscosity of 645 +/-40.
The plasticizer is polyisobutylene, the average molecular weight of the plasticizer is 2450-2480, and the kinematic viscosity of the plasticizer is 4700 +/-200.
The antioxidant 264 is selected from the antioxidant.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferroferric oxide.
The preparation method of the organic intumescent fire-proof film layer in the fire-proof blocking plate in the embodiment is as follows:
(1) weighing 29.5 parts of rubber matrix, 14 parts of refractory filler, 50.5 parts of modified chemical intumescent flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment, adding into an internal mixer, mixing at the set rotating speed of 5000 for 10min to obtain a rubber mixture;
(2) and adding the sizing mixture into a double-roller open mill or a die press to prepare sheets with specified size requirements, thereby obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging sheet material of the embodiment is as follows:
the fire prevention shutoff panel that this embodiment provided mainly forms through the mould pressing complex by stainless steel sheet layer, fire prevention film layer, steel wire mesh layer, aluminium foil layer four-layer structure, comprises following component:
the stainless steel plate is made of 304 stainless steel, the thickness of the stainless steel plate is 0.6mm, and the length and the width of the stainless steel plate are 914 x 914 mm.
The fireproof film is the organic expansion type fireproof film layer prepared by the method, the thickness of the organic expansion type fireproof film layer is 8.0mm, and the length and the width of the organic expansion type fireproof film layer are 914 x 914 mm.
The diameter of the steel wire mesh is 1.0mm, the aperture of the steel wire mesh is 25mm, and the length and the width of the steel wire mesh are 910 x 910 mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and width of the aluminum foil is 914 mm.
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 mould in sequence, placing the mould in a flat press machine for mould pressing composite forming, wherein the mould pressing temperature is 120 ℃, the mould pressing pressure is 100Mpa, and the mould pressing time is 15 min;
(2) and (3) placing the fireproof plugging plate subjected to mould pressing composite forming in a mould, placing the mould in a flat vulcanizing machine for cold pressing and shaping, cooling by tap water, and performing mould pressing at the mould pressing pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Example 4
The fireproof blocking plate and the preparation method thereof in the embodiment are as follows:
1. the organic intumescent fire-proof film layer in the fire-proof plugging plate provided by the embodiment is prepared from the following components:
the medium EVM rubber has a Mooney viscosity (ML1+4,100 ℃) of 20-35 and a VA content of 50 wt%.
The titanium dioxide selected as the refractory filler has the titanium dioxide content of more than or equal to 91 percent and the oil absorption of less than or equal to 20g/100 g.
Ammonium polyphosphate is selected as an acid source, phenolic resin is selected as a carbon source, and melamine is selected as an air source, wherein the weight ratio of the ammonium polyphosphate to the phenolic resin is 3.5:1.3: 1.
The plasticizer is polyisobutylene, the average molecular weight of the polyisobutylene is 1250-1350, and the kinematic viscosity of the polyisobutylene is 645 +/-40.
The plasticizer is polyisobutylene (C), the average molecular weight of the plasticizer is 2450-2480, and the kinematic viscosity of the plasticizer is 4700 +/-200.
The antioxidant 264 is selected from the antioxidant.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferroferric oxide.
The preparation method of the organic intumescent fire-proof film layer in the fire-proof blocking plate in the embodiment is as follows:
(1) weighing 26 parts of rubber matrix, 10 parts of refractory filler, 58 parts of modified chemical intumescent flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment, adding the materials into an internal mixer, mixing, setting the rotating speed at 5000, and mixing for 10min to obtain a sizing material mixture;
(2) and adding the sizing material mixture into a double-roller open mill or a die press to prepare sheets with specified size requirements, thereby obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging sheet material of the embodiment is as follows:
the fire prevention shutoff panel that this embodiment provided mainly forms through the mould pressing complex by stainless steel sheet layer, fire prevention film layer, steel wire mesh layer, aluminium foil layer four-layer structure, comprises following component:
the stainless steel plate is made of 304 stainless steel, the thickness of the stainless steel plate is 0.6mm, and the length and the width of the stainless steel plate are 914 x 914 mm.
The fireproof film is the organic expansion type fireproof film layer prepared by the method, the thickness of the organic expansion type fireproof film layer is 8.0mm, and the length and the width of the organic expansion type fireproof film layer are 914 x 914 mm.
The diameter of the steel wire mesh is 1.0mm, the aperture of the steel wire mesh is 25mm, and the length and the width of the steel wire mesh are 910 x 910 mm.
The thickness of the aluminum foil pair is 0.02-0.3 mm, and the length and width of the aluminum foil pair are 914 mm.
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 mould in sequence, placing the mould in a flat press machine for mould pressing composite forming, wherein the mould pressing temperature is 120 ℃, the mould pressing pressure is 100Mpa, and the mould pressing time is 15 min;
(2) and (3) placing the fireproof plugging plate subjected to mould pressing composite forming in a mould, placing the mould in a flat vulcanizing machine for cold pressing and shaping, cooling by tap water, and performing mould pressing at the mould pressing 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 figure 1, and the state after high-temperature combustion at the temperature of more than 750 ℃ is shown in figures 2-4, and it can be seen that the modified chemical intumescent flame retardant generates chemical reaction expansion under the condition of high temperature.
Comparative example 1
The fire plugging sheet material provided in the comparative example and the preparation method thereof were as follows:
1. The organic expansion type fireproof film layer in the fireproof plugging plate provided by the comparative example is prepared from the following components
The melt mass flow rate of the EVA resin is 2.8g/10min, and the melting temperature is 86 ℃.
The ethylene-propylene-diene monomer rubber has the ethylene content of 60 wt% and the Mooney viscosity (ML125 ℃ C. 1+4) of 40.
The mesh number of the medium-fire-resistant filler silicon micro powder is 500-800 meshes, and the content of silicon dioxide is more than or equal to 94%.
The sodium silicate selected as the middle fire-resistant filler is hydrated sodium silicate, the modulus is 2.0-3.5, and SiO is2The content is more than or equal to 55 percent.
Ammonium polyphosphate is selected as an acid source, phenolic resin is selected as a carbon source, and melamine is selected as an air source, wherein the weight ratio of the ammonium polyphosphate to the phenolic resin is 3.2:1: 1.
The plasticizer is TOTM plasticizer.
The antioxidant 264 is selected as the intermediate antioxidant.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferroferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof plugging plate in the comparative example is as follows:
(1) weighing 29 parts of rubber matrix, 39 parts of refractory filler, 26 parts of modified chemical intumescent flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment, adding into an internal mixer, mixing at the set rotating speed of 5000 for 20min to obtain a rubber mixture;
(2) And adding the sizing material mixture into a double-roller open mill or a die press to prepare sheets with specified size requirements, thereby obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging plate provided by the comparative example comprises the following steps:
the fireproof plugging plate is mainly formed by compounding four-layer 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, the thickness of the stainless steel plate is 0.6mm, and the length and the width of the stainless steel plate are 914 x 914 mm.
The fireproof film is the organic expansion type fireproof film layer prepared by the method, the thickness of the organic expansion type fireproof film layer is 8.0mm, and the length and the width of the organic expansion type fireproof film layer are 914 x 914 mm.
The diameter of the steel wire mesh is 1.0mm, the aperture of the steel wire mesh is 25mm, and the length and the width of the steel wire mesh are 910 x 910 mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and width of the aluminum foil is 914 mm.
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 mould in sequence, placing the mould in a flat press machine for mould pressing composite forming, wherein the mould pressing temperature is 120 ℃, the mould pressing pressure is 100Mpa, and the mould pressing time is 15 min;
(2) and (3) placing the fireproof plugging plate subjected to mould pressing composite forming in a mould, placing the mould in a flat vulcanizing machine for cold pressing and shaping, cooling by tap water, and performing mould pressing at the mould pressing pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Comparative example 2
The fireproof plugging sheet material in the comparative example and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof plugging plate provided by the comparative example is prepared from the following components:
the melt mass flow rate of the EVA resin is 2.8g/10min, and the melting temperature is 86 ℃.
The styrene-butadiene rubber is non-oil-extended low-temperature emulsion polymerized styrene-butadiene rubber, emulsifier fatty acid soap is 4.5-6.5% of bound styrene, and the Mooney viscosity (ML1+4,100 ℃) of raw rubber is 19-25.
The kaolin as the middle fire-resistant filler is calcined kaolin, and the mesh number is 800-1500 meshes.
The sodium silicate selected as the middle fire-resistant filler is hydrated sodium silicate, the modulus is 2.0-3.5, and SiO is2The content is more than or equal to 55 percent.
Ammonium polyphosphate is selected as an acid source, phenolic resin is selected as a carbon source, and melamine is selected as an air source, wherein the weight ratio of the ammonium polyphosphate to the phenolic resin is 4.2:1.2: 1.
The plasticizer is TOTM plasticizer.
The antioxidant 264 is selected from the antioxidant.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferroferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof plugging plate in the comparative example is as follows:
(1) Weighing 30 parts of rubber matrix, 38 parts of refractory filler, 26 parts of modified chemical intumescent flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment, adding into an internal mixer, mixing, setting the rotating speed at 5000, and mixing for 15min to obtain a rubber mixture;
(2) and adding the sizing material mixture into a double-roller open mill or a die press to prepare sheets with specified size requirements, thereby obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging sheet material comprises the following steps:
the fireproof plugging plate provided by the comparative example is mainly 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, and comprises the following components:
the stainless steel plate is made of 304 stainless steel, the thickness of the stainless steel plate is 0.6mm, and the length and the width of the stainless steel plate are 914 x 914 mm.
The fireproof film is the organic expansion type fireproof film layer prepared by the method, the thickness of the organic expansion type fireproof film layer is 8.0mm, and the length and the width of the organic expansion type fireproof film layer are 914 x 914 mm.
The diameter of the steel wire mesh is 1.0mm, the aperture of the steel wire mesh is 25mm, and the length and the width of the steel wire mesh are 910 x 910 mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and width of the aluminum foil is 914 mm.
The preparation method of the fireproof plugging plate comprises the following steps:
(1) placing the stainless steel plate, the fireproof film, the steel wire mesh and the aluminum foil in a die in sequence, and placing the die in a flat press machine for die pressing composite forming, wherein the die pressing temperature is 120 ℃, the die pressing pressure is 100Mpa, and the die pressing time is 15 min;
(2) And (3) placing the fireproof plugging plate subjected to mould pressing composite forming in a mould, placing the mould in a flat vulcanizing machine for cold pressing and shaping, cooling by tap water, and performing mould pressing at the mould pressing pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Comparative example 3
The fireproof plugging sheet material in the comparative example and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof plugging plate provided by the comparative example is prepared from the following components:
the medium EVM rubber has a Mooney viscosity (ML1+4,100 ℃) of 20-35 and a VA content of 50 wt%.
The titanium dioxide selected as the refractory filler has the titanium dioxide content of more than or equal to 91 percent and the oil absorption of less than or equal to 20g/100 g.
Ammonium polyphosphate is selected as an acid source, phenolic resin is selected as a carbon source, and melamine is selected as an air source, wherein the weight ratio of the ammonium polyphosphate to the phenolic resin is 1:2.4: 2.4.
The plasticizer is polyisobutylene, the average molecular weight of the polyisobutylene is 1250-1350, and the kinematic viscosity of the polyisobutylene is 645 +/-40.
The plasticizer is polyisobutylene (C), the average molecular weight of the plasticizer is 2450-2480, and the kinematic viscosity of the plasticizer is 4700 +/-200.
The antioxidant 264 is selected from the antioxidant.
The red pigment selected from the above pigments is ferric oxide, and the black pigment is ferroferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof plugging plate in the comparative example is as follows:
(1) weighing 29.5 parts of rubber matrix, 14 parts of refractory filler, 50.5 parts of modified chemical intumescent flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment, adding into an internal mixer, mixing at the set rotating speed of 5000 for 10min to obtain a rubber mixture;
(2) and adding the sizing material mixture into a double-roller open mill or a die press to prepare sheets with specified size requirements, thereby obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging sheet material in the comparative example is as follows:
the fireproof plugging plate provided by the comparative example is mainly 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, and comprises the following components:
the stainless steel plate is made of 304 stainless steel, the thickness of the stainless steel plate is 0.6mm, and the length and the width of the stainless steel plate are 914 x 914 mm.
The fireproof film is the organic expansion type fireproof film layer prepared by the method, the thickness of the organic expansion type fireproof film layer is 8.0mm, and the length and the width of the organic expansion type fireproof film layer are 914 x 914 mm.
The diameter of the steel wire mesh is 1.0mm, the aperture of the steel wire mesh is 25mm, and the length and the width of the steel wire mesh are 910 x 910 mm.
The thickness of the aluminum foil is 0.02-0.3 mm, and the length and width of the aluminum foil is 914 mm.
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 mould in sequence, placing the mould in a flat press machine for mould pressing composite forming, wherein the mould pressing temperature is 120 ℃, the mould pressing pressure is 100Mpa, and the mould pressing time is 15 min;
(2) and (3) placing the fireproof plugging plate subjected to mould pressing composite forming in a mould, placing the mould in a flat vulcanizing machine for cold pressing and shaping, cooling by tap water, and performing mould pressing at the mould pressing pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Comparative example 4
The fireproof plugging sheet material in the comparative example and the preparation method thereof are as follows:
1. the organic expansion type fireproof film layer in the fireproof plugging plate provided by the comparative example is prepared from the following components:
the medium EVM rubber has a Mooney viscosity (ML1+4,100 ℃) of 20-35 and a VA content of 50 wt%.
The titanium dioxide selected as the refractory filler has the titanium dioxide content of more than or equal to 91 percent and the oil absorption of less than or equal to 20g/100 g.
Ammonium polyphosphate is selected as an acid source, phenolic resin is selected as a carbon source, and melamine is selected as an air source, wherein the weight ratio of the ammonium polyphosphate to the phenolic resin is 3.4:1.3: 1.
The plasticizer is polyisobutylene with average molecular weight of 1250-1350 and kinematic viscosity of 645 +/-40.
The plasticizer is polyisobutylene (C), the average molecular weight of the plasticizer is 2450-2480, and the kinematic viscosity of the plasticizer is 4700 +/-200.
The antioxidant 264 is selected from the antioxidant.
The red pigment selected from the above-mentioned medium pigments is ferric oxide, and the black pigment is ferroferric oxide.
The preparation method of the organic expansion type fireproof film layer in the fireproof plugging plate in the comparative example is as follows:
(1) weighing 26 parts of rubber matrix, 68 parts of modified chemical intumescent flame retardant, 4 parts of plasticizer, 1 part of anti-aging agent and 1 part of pigment, adding into an internal mixer, mixing at the set rotating speed of 5000 for 10min to obtain a rubber mixture;
(2) and adding the sizing material mixture into a double-roller open mill or a die press to prepare sheets with specified size requirements, thereby obtaining the organic expansion type fireproof film layer.
2. The preparation method of the fireproof plugging sheet material in the comparative example is as follows:
the fireproof plugging plate provided by the comparative example is mainly 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, and comprises the following components:
the stainless steel plate is made of 304 stainless steel, the thickness of the stainless steel plate is 0.6mm, and the length and the width of the stainless steel plate are 914 x 914 mm.
The fireproof film is the organic expansion type fireproof film layer prepared by the method, the thickness of the organic expansion type fireproof film layer is 8.0mm, and the length and the width of the organic expansion type fireproof film layer are 914 x 914 mm.
The diameter of the steel wire mesh is 1.0mm, the aperture of the steel wire mesh is 25mm, and the length and the width of the steel wire mesh are 910 x 910 mm.
The thickness of the aluminum foil pair is 0.02-0.3 mm, and the length and width of the aluminum foil pair are 914 mm.
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 mould in sequence, placing the mould in a flat press machine for mould pressing composite forming, wherein the mould pressing temperature is 120 ℃, the mould pressing pressure is 100Mpa, and the mould pressing time is 15 min;
(2) and (3) placing the fireproof plugging plate subjected to mould pressing composite forming in a mould, placing the mould in a flat vulcanizing machine for cold pressing and shaping, cooling by tap water, and performing mould pressing at the mould pressing pressure of 100Mpa for 10min to obtain the fireproof plugging plate.
Test example
The following table 1 shows the performance test results of the fireproof plugging sheet prepared in examples 1 to 4.
TABLE 1
The fire-proof and heat-insulating performance, expansion rate and high-temperature and high-humidity resistance of the 4 above examples, comparative examples, imported products (DC-A2-3M-CS 195+ of 3M) and domestic products (DC-A2-Pyrostop 911S of Gillengze Sai) are tested by a custom test method in a comparative way, and the performance test results are as follows:
1. test of fire-resistant and Heat-insulating Properties
(1) The test method briefly describes: referring to the 5.2 and 6.16 clauses in the GB 23864-2009 standard, a single-point combustion test method is adopted, a 300 × 300mm fireproof plugging plate is adopted, a temperature measuring device is installed on the back of the fireproof plugging plate, a butane gas source flame is adopted on the front of the fireproof plugging plate to be ignited, and the time required for the temperature rise of a back thermometer to 180 ℃ is observed.
(2) The test results are shown in table 2.
TABLE 2
2. Test of expansion ratio
(1) The test method briefly describes: and after the fire resistance and heat insulation performance test is finished, the thickness of the sample piece is changed before and after combustion, and the expansion ratio is obtained.
(2) The test results are shown in table 3.
TABLE 3
3. High temperature and high humidity resistance
(1) The test method briefly describes: the sample is made into 50mm by 50mm, the sample is placed in a constant temperature and humidity box with the temperature of 85 ℃ and the humidity of 85HR for 30 days, and the time when the sample starts to fall off between the fireproof film layer and the steel plate is observed.
(2) The test results are shown in table 4.
TABLE 4
4. Environmental protection Performance test
The environmental protection performance of the embodiments 1 to 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 biphenyls, polybrominated diphenyl ethers, phthalic acid esters, benzyl phthalate, di (2-ethylhexyl) phthalate and diisobutyl phthalate meet the limit value requirement of the correction instruction (EU)2015/863 of European Union RoHS instruction 2011/65/EU annex II 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, 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 organic intumescent fire-proof adhesive is characterized by being prepared from the following components in parts by weight:
2. the organic intumescent fire retardant gum of claim 1, characterized in that said rubber matrix is selected from one or more of EVA resin, EVM rubber, styrene butadiene rubber and ethylene propylene diene monomer rubber.
Preferably, the melt mass flow rate of the EVA resin is 2-4g/10min, and the melting temperature is 86 ℃.
Preferably, the Mooney viscosity (ML1+4,100 ℃) of the EVM rubber is 20-35.
Preferably, the EVM rubber contains 40-60 wt% of VA.
Preferably, the ethylene content in the ethylene propylene diene monomer is 50-70 wt%;
preferably, the ethylene-propylene-diene monomer has a Mooney viscosity (ML125 ℃ C. 1+4) of 35 to 45.
Preferably, 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 4.5-6.5% of bound styrene, and has the Mooney viscosity (ML1+4,100 ℃) of raw rubber of 19-25.
3. The organic intumescent fireproofing glue of claim 1 or 2, wherein the refractory filler is selected from one or more of titanium dioxide, kaolin, china clay, mica powder, sodium silicate, diatomaceous earth, silica micropowder and perlite.
4. The organic intumescent fire-retardant glue of any of claims 1 to 3, characterized in that said modified chemical intumescent fire-retardant comprises an acid source, a carbon source and a gas source, said 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 polyamino acid ester.
Preferably, in the modified chemical intumescent flame retardant, the weight ratio of the acid source to the carbon source to the gas source is (3-10): (1-3): 1-3).
5. The organic intumescent fire glue of any of claims 1 to 4, characterized in that said plasticizer is selected from one or both of TOTM (trioctyl trimellitate) and polyisobutylene.
Preferably, the polyisobutene can 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.
Preferably, the anti-aging agent is selected from one or more of anti-aging agent 264, anti-aging agent SP and anti-aging agent MBZ.
Preferably, the pigment is selected from one or two of ferric oxide and ferroferric oxide.
Preferably, the organic intumescent fire-proof glue is in the form of a sheet layer.
6. Process for the preparation of the organic intumescent fireproofing glue according to any one of claims 1 to 5, characterized in that it 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 rubber material mixture;
(2) and preparing the sizing material mixture into a sheet to obtain the organic intumescent fire-proof adhesive.
7. Use of the organic intumescent fire-blocking glue of any of claims 1 to 5 in fire-blocking panels.
8. A fire blocking panel comprising an organic intumescent fire blocking glue according to any of claims 1 to 5.
Preferably, 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 intumescent fireproof glue of any one of claims 1 to 5. 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.
Preferably, the number of the stainless steel plate layer, the fireproof film layer, the steel wire mesh layer and the aluminum foil layer is one.
Preferably, the material of the stainless steel is 304 stainless steel or galvanized steel.
Preferably, the thickness of the fireproof film layer is 2-8.4 mm.
Preferably, the fire-proof film layer expands to form a hard carbonized layer after being stimulated by high temperature.
Preferably, the diameter of the steel wire mesh is 1-2 mm.
Preferably, the mesh aperture of the steel wire mesh is 10-40 mm.
Preferably, the thickness of the aluminum foil layer is 0.02-0.3 mm.
9. The method of making the flameproof plugging plate of claim 8, comprising the steps of:
and sequentially placing the stainless steel plate, the fireproof film, the steel wire mesh and the aluminum foil in a mould, performing mould pressing composite forming, and performing cold pressing forming to obtain the fireproof plugging plate.
10. Use of the fire blocking panel according to claim 8 in a building or structure, preferably for the fire blocking of a hole in a through-penetration 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
Patent Citations (4)
| 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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