CN109467878B - Light multi-effect expansion type fireproof sealing material - Google Patents
Light multi-effect expansion type fireproof sealing material Download PDFInfo
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- CN109467878B CN109467878B CN201811057483.3A CN201811057483A CN109467878B CN 109467878 B CN109467878 B CN 109467878B CN 201811057483 A CN201811057483 A CN 201811057483A CN 109467878 B CN109467878 B CN 109467878B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0085—Use of fibrous compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
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- C—CHEMISTRY; METALLURGY
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- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
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- Chemical & Material Sciences (AREA)
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention discloses a light multi-effect expansion type fireproof sealing material which comprises the following components in parts by weight: 100 parts of epoxy resin, 20-30 parts of expanded graphite, 15-20 parts of IFR flame retardant, 8-10 parts of graphite oxide, 20-30 parts of fireproof adhesive, 30-50 parts of reinforcing fiber, 10-20 parts of hollow glass microsphere, 8-15 parts of functional assistant, 2-3 parts of zinc stearate, 10-15 parts of paraffin oil, 10-20 parts of foaming promotion system and 5-10 parts of curing agent. According to the invention, through the formula design of a physical expansion flame-retardant system, an IFR flame-retardant system, a fireproof adhesive, glass fibers and hollow glass beads, on one hand, the material is endowed with triple fireproof efficacy and excellent expansion performance, and the fireproof performance can be effectively improved; on the other hand, the carbonization rate is high, the mechanical strength is good, the conditions of crushing, pulverization and the like of the whole sealing material in the fire disaster process can be effectively prevented, and the resistance to smoke and water is improved.
Description
Technical Field
The invention relates to the technical field of water and fire prevention of ships, in particular to a light multi-effect expansion type fireproof sealing material.
Background
The deck or bulkhead of the vessel needs to be provided with through-holes and piping is added to the through-holes for the transmission of water, electricity, gas, signals and the like between the different zones. When a fire disaster happens, fire and smoke can quickly diffuse among different areas through the pipeline penetration device, which is a great threat to expensive operation equipment, cable data processing equipment and ship navigation, not only destroys the operation performance of the ship, but also generates a large amount of toxic smoke and toxic gas in the cable burning process, thus easily causing serious personal safety injury.
In the ship penetration device, the sealant has the double effects of water resistance and fire resistance so as to keep the ship to have the double integrity of water tightness and fire resistance. The method has great significance for ensuring the ship invariance and the fire safety. However, the existing fireproof sealant for ships has the following problems when a fire disaster happens: although the sealant does not burn and is self-extinguished after leaving fire, the sealant still undergoes ashing, so that the colloid is crushed and pulverized, the plugging effect is lost, and safety accidents such as smoke spreading, ship sinking and the like are caused.
Disclosure of Invention
The invention mainly solves the technical problem of providing a light multi-effect expansion type fireproof sealing material which can solve the defects of the existing fireproof sealing glue for ships.
In order to solve the technical problems, the invention adopts a technical scheme that: the light multi-effect expansion type fireproof sealing material comprises the following components in parts by weight: 100 parts of epoxy resin, 20-30 parts of expanded graphite, 15-20 parts of IFR flame retardant, 8-10 parts of graphite oxide, 20-30 parts of fireproof adhesive, 30-50 parts of reinforcing fiber, 10-20 parts of hollow glass microsphere, 8-15 parts of functional assistant, 2-3 parts of zinc stearate, 10-15 parts of paraffin oil, 10-20 parts of foaming promotion system and 5-10 parts of curing agent.
In a preferred embodiment of the present invention, the IFR flame retardant comprises a phosphate ester, a polyphosphoric acid amine, and pentaerythritol.
In a preferred embodiment of the invention, the weight ratio of the phosphate ester to the polyamine polyphosphate to the pentaerythritol is 3-5: 2-3: 1-2.
In a preferred embodiment of the invention, the fireproof adhesive is a mixture of alpha, beta-hydroxyl-terminated polydimethylsiloxane, a porcelain forming agent, ceramic powder and magnesium hydroxide.
In a preferred embodiment of the invention, the fireproof adhesive is a mixture of alpha, beta-hydroxyl-terminated polydimethylsiloxane, a porcelain forming agent, ceramic powder and magnesium hydroxide, wherein the mixing weight ratio of the alpha, beta-hydroxyl-terminated polydimethylsiloxane to the porcelain forming agent is 5-10: 0.5-1: 2-3: 1-2.
In a preferred embodiment of the invention, the functional additives comprise a smoke absorbent and a water repellent.
In a preferred embodiment of the present invention, the reinforcing fibers are glass fibers.
In a preferred embodiment of the invention, the foam-promoting system comprises an epoxy resin blowing agent and a foam promoter.
In order to solve the technical problem, the invention adopts another technical scheme that: the preparation method of the light multi-effect expansion type fireproof sealing material comprises the following steps:
(1) preparing a physical expansion flame-retardant system: according to the formula amount, uniformly mixing expanded graphite with half of graphite oxide by weight for later use;
(2) preparing an IFR flame-retardant system: according to the formula amount, uniformly mixing the IFR flame retardant with the rest half of graphite oxide by weight for later use;
(3) preparing a fireproof adhesive: firstly, uniformly mixing a ceramic forming agent, ceramic powder and magnesium hydroxide according to the formula amount to obtain ceramic powder, and then uniformly mixing the ceramic powder with alpha, beta-hydroxyl-terminated polydimethylsiloxane according to the formula amount to obtain a fireproof adhesive;
(4) mixing materials: according to the formula amount, mixing epoxy resin, reinforcing fiber, hollow glass beads, functional auxiliary agent, zinc stearate, paraffin oil, a foaming promotion system and the IFR flame-retardant system prepared in the step (2), and uniformly stirring by using a stirrer;
(5) and (3) finished product: and (3) adding the physical expansion flame-retardant system prepared in the step (1), the fireproof adhesive prepared in the step (3) and a curing agent into the mixed material in the step (4), uniformly mixing, and curing to obtain the light multi-effect expansion type fireproof sealing material.
The invention has the beneficial effects that: the invention relates to a light multi-effect expansion type fireproof sealing material, which has the following advantages: by the formula design of a physical expansion flame-retardant system, an IFR flame-retardant system, a fireproof adhesive, glass fibers and hollow glass beads, on one hand, the material is endowed with triple fireproof efficacy and excellent expansion performance, and the fireproof performance can be effectively improved; on the other hand, the carbonization rate is high, the mechanical strength is good, the conditions of crushing, pulverization and the like of the whole sealing material in the fire disaster process can be effectively prevented, and the resistance to smoke and water is improved.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.
The embodiment of the invention comprises the following steps:
example 1
The invention discloses a light multi-effect expansion type fireproof sealing material which comprises the following components in parts by weight: 100 parts of epoxy resin, 20 parts of expanded graphite, 15 parts of IFR flame retardant, 8 parts of graphite oxide, 20 parts of fireproof adhesive, 30 parts of reinforcing fiber, 10 parts of hollow glass microsphere, 8 parts of functional assistant, 2 parts of zinc stearate, 10 parts of paraffin oil, 100 parts of foaming promotion system and 5 parts of curing agent.
Wherein the IFR flame retardant comprises the following components in a weight ratio of 3: 2:1 phosphate ester, amine polyphosphate and pentaerythritol.
The fireproof adhesive comprises the following components in percentage by weight: 0.5: 2:1 of a mixture of alpha, beta-hydroxy-terminated polydimethylsiloxane, a porcelain former, ceramic powder and magnesium hydroxide.
The functional auxiliary agent comprises a smoke absorbing agent and a water repellent in a weight ratio of 1: 2.
The reinforcing fiber is glass fiber.
The foam boosting system comprises an epoxy resin foaming agent and a foam promoter. The epoxy resin blowing agents and the blowing accelerators herein are commonly used in the art and are not described in detail herein.
The preparation method of the light multi-effect expansion type fireproof sealing material comprises the following steps:
(1) preparing a physical expansion flame-retardant system: according to the formula amount, uniformly mixing expanded graphite with half of graphite oxide by weight for later use; wherein, the graphite oxide is a carbon forming agent, which can effectively prevent ashing;
(2) preparing an IFR flame-retardant system: according to the formula amount, uniformly mixing the IFR flame retardant with the rest half of graphite oxide by weight for later use; wherein, the graphite oxide is a carbon forming agent, which can effectively prevent ashing;
(3) preparing a fireproof adhesive: firstly, uniformly mixing a ceramic forming agent, ceramic powder and magnesium hydroxide according to the formula amount to obtain ceramic powder, and then uniformly mixing the ceramic powder with alpha, beta-hydroxyl-terminated polydimethylsiloxane according to the formula amount to obtain a fireproof adhesive;
(4) mixing materials: according to the formula amount, mixing epoxy resin, reinforcing fiber, hollow glass beads, functional auxiliary agent, zinc stearate, paraffin oil, a foaming promotion system and the IFR flame-retardant system prepared in the step (2), and uniformly stirring by using a stirrer;
(5) and (3) finished product: and (3) adding the physical expansion flame-retardant system prepared in the step (1), the fireproof adhesive prepared in the step (3) and a curing agent into the mixed material in the step (4), uniformly mixing, and curing to obtain the light multi-effect expansion type fireproof sealing material.
Example 2
The difference from the embodiment 1 is that the light multi-effect expansion type fireproof sealing material comprises the following components in parts by weight: 100 parts of epoxy resin, 30 parts of expanded graphite, 20 parts of IFR flame retardant, 10 parts of graphite oxide, 30 parts of fireproof adhesive, 50 parts of reinforcing fiber, 20 parts of hollow glass microsphere, 15 parts of functional assistant, 3 parts of zinc stearate, 15 parts of paraffin oil, 20 parts of foaming promotion system and 10 parts of curing agent.
Wherein the IFR flame retardant comprises the following components in a weight ratio of 5: 3: 2, amine polyphosphate and pentaerythritol.
The fireproof adhesive comprises the following components in percentage by weight: 1: 3: 2, alpha, beta-hydroxy terminated polydimethylsiloxane, a porcelain former, ceramic powder and magnesium hydroxide.
The functional auxiliary agent comprises the following components in percentage by weight of 1: 3 smoking agent and water repellent.
The flame retardant mechanism of the light multi-effect expansion type fireproof sealing material is as follows: when a fire disaster happens, the physical flame-retardant system is heated and expanded to form a first expanded flame-retardant carbon layer; with the rise of the temperature, an acid source in the IFR flame-retardant system releases inorganic acid, then esterification reaction occurs, and the mixture rapidly expands under the participation of a carbon source and a nitrogen source to form a second expansion flame-retardant carbon layer; in the flame-retardant process, the foaming promotion system is heated and foamed to foam and expand the epoxy resin system along with the rise of the environmental temperature, so that on one hand, the environmental temperature of the fireproof sealing material can be effectively reduced, and the inhibition of combustion is facilitated, and on the other hand, under the triple action of the first expansion flame-retardant carbon layer, the second expansion flame-retardant carbon layer and the foaming and expansion of the epoxy resin system, the fireproof sealing material is enabled to rapidly expand to seal the pipe hole of the pipeline in the pipeline penetrating device, and the effects of preventing smoke from spreading and blocking water are achieved.
The light multi-effect expansion type fireproof sealing material has the following advantages:
1. through the design of a physical expansion flame-retardant system, an IFR flame-retardant system and a fireproof adhesive, the material is endowed with triple fireproof effects, and the fireproof performance is effectively improved;
2. under the triple action of foaming and expansion of the first expanded flame-retardant carbon layer, the second expanded flame-retardant carbon layer and the epoxy resin system, the fireproof sealing material quickly expands to seal a pipeline to penetrate through a pipe hole of a pipeline in the device, so that the effects of preventing smoke from spreading and blocking water are realized, and the environmental temperature can be reduced;
3. through the use of graphite oxide, glass fiber and hollow glass bead, promote the carbonization on the one hand, prevent the ashing, on the other hand has improved the holistic mechanical strength of fire prevention sealing material, can effectively prevent the whole sealing material condition such as breakage, pulverization appear in the conflagration in-process, improves the resistance to smoke and water.
The light multi-effect expansion type fireproof sealing material has excellent functions of fire resistance, fire resistance and water resistance, can still resist 0.1MPa of water pressure (relative to 10 m of deep water pressure) after 1-hour fire test, and can effectively ensure that a pipeline penetrating department of a fire cabin does not influence the cabin of a partition wall.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A light multi-effect expansion type fireproof sealing material is characterized by comprising the following components in parts by weight: 100 parts of epoxy resin, 20-30 parts of expanded graphite, 15-20 parts of IFR flame retardant, 8-10 parts of graphite oxide, 20-30 parts of fireproof adhesive, 30-50 parts of reinforcing fiber, 10-20 parts of hollow glass microsphere, 8-15 parts of functional assistant, 2-3 parts of zinc stearate, 10-15 parts of paraffin oil, 10-20 parts of foaming promotion system and 5-10 parts of curing agent;
the preparation method of the light multi-effect expansion type fireproof sealing material comprises the following steps:
(1) preparing a physical expansion flame-retardant system: according to the formula amount, uniformly mixing expanded graphite with half of graphite oxide by weight for later use;
(2) preparing an IFR flame-retardant system: according to the formula amount, uniformly mixing the IFR flame retardant with the rest half of graphite oxide by weight for later use;
(3) preparing a fireproof adhesive: firstly, uniformly mixing a ceramic forming agent, ceramic powder and magnesium hydroxide according to the formula amount to obtain ceramic powder, and then uniformly mixing the ceramic powder with alpha, beta-hydroxyl-terminated polydimethylsiloxane according to the formula amount to obtain a fireproof adhesive;
(4) mixing materials: according to the formula amount, mixing epoxy resin, reinforcing fiber, hollow glass beads, functional auxiliary agent, zinc stearate, paraffin oil, a foaming promotion system and the IFR flame-retardant system prepared in the step (2), and uniformly stirring by using a stirrer;
(5) and (3) finished product: and (3) adding the physical expansion flame-retardant system prepared in the step (1), the fireproof adhesive prepared in the step (3) and a curing agent into the mixed material in the step (4), uniformly mixing, and curing to obtain the light multi-effect expansion type fireproof sealing material.
2. The lightweight, multipurpose intumescent fire retardant sealing material of claim 1, wherein said IFR fire retardant comprises phosphate ester, amine polyphosphate and pentaerythritol.
3. The light multi-effect intumescent fire-proof sealing material as claimed in claim 2, characterized in that the weight ratio of the phosphate, the ammonium polyphosphate and the pentaerythritol is 3-5: 2-3: 1-2.
4. The lightweight multi-effect intumescent fire-proof sealing material of claim 2, wherein the fire-proof adhesive is a mixture of α, β -hydroxyl terminated polydimethylsiloxane, a porcelain-forming agent, ceramic powder and magnesium hydroxide.
5. The light multi-effect intumescent fire-proof sealing material as claimed in claim 4, wherein the fire-proof adhesive is a mixture of alpha, beta-hydroxyl-terminated polydimethylsiloxane, a porcelain forming agent, ceramic powder and magnesium hydroxide in a weight ratio of 5-10: 0.5-1: 2-3: 1-2.
6. The multi-effect intumescent fire protection sealing material of claim 1, wherein said functional additives comprise smoke absorbers and water repellents.
7. The light multi-effect intumescent fire-proof sealing material as claimed in claim 6, wherein the weight ratio of the smoke absorbent and the water repellent is 1: 2-3.
8. The lightweight multipurpose intumescent fire retardant sealing material of claim 1 wherein said reinforcing fibers are glass fibers.
9. The lightweight multipurpose intumescent fire retardant sealing material of claim 1 wherein said foam boosting system comprises an epoxy resin blowing agent and a foam promoter.
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| CN201811057483.3A CN109467878B (en) | 2018-09-11 | 2018-09-11 | Light multi-effect expansion type fireproof sealing material |
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| CN109467878B true CN109467878B (en) | 2021-05-04 |
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Families Citing this family (3)
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| CN113024219B (en) * | 2019-12-25 | 2023-04-28 | 中国石油化工股份有限公司 | Fireproof blocking material capable of blocking rapidly, preparation method and use method |
| US20230242740A1 (en) * | 2022-01-28 | 2023-08-03 | Meggitt Aerospace Limited | Fire seals and methods of making same |
| CN115893957B (en) * | 2023-01-06 | 2023-06-13 | 太仓市金锚新材料科技有限公司 | High-stability expansion plugging material and preparation process thereof |
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| JPH0819411A (en) * | 1994-07-06 | 1996-01-23 | Tomosaburou Tsunoda | Handle of umbrella having finger-pressure treatment function |
| CN1876740A (en) * | 2006-07-12 | 2006-12-13 | 海洋化工研究院 | Solvent-free expansion type fire-proof epoxy coating and its preparation method |
| CN102731931A (en) * | 2012-06-18 | 2012-10-17 | 成都新兴富皇高分子材料科技有限公司 | Fire-preventing intumescent sealing material and preparation method thereof |
| CN106967264A (en) * | 2017-05-20 | 2017-07-21 | 尹书祥 | A kind of fire-proof expansion seal strip and preparation method thereof |
| CN108203525A (en) * | 2018-01-02 | 2018-06-26 | 佛山市南海崇泰防火材料有限公司 | A kind of inflatable fire resistant flexible material and its application |
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2018
- 2018-09-11 CN CN201811057483.3A patent/CN109467878B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819411A (en) * | 1994-07-06 | 1996-01-23 | Tomosaburou Tsunoda | Handle of umbrella having finger-pressure treatment function |
| CN1876740A (en) * | 2006-07-12 | 2006-12-13 | 海洋化工研究院 | Solvent-free expansion type fire-proof epoxy coating and its preparation method |
| CN102731931A (en) * | 2012-06-18 | 2012-10-17 | 成都新兴富皇高分子材料科技有限公司 | Fire-preventing intumescent sealing material and preparation method thereof |
| CN106967264A (en) * | 2017-05-20 | 2017-07-21 | 尹书祥 | A kind of fire-proof expansion seal strip and preparation method thereof |
| CN108203525A (en) * | 2018-01-02 | 2018-06-26 | 佛山市南海崇泰防火材料有限公司 | A kind of inflatable fire resistant flexible material and its application |
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Denomination of invention: A kind of light and multi effect intumescent fireproof sealing material Effective date of registration: 20221125 Granted publication date: 20210504 Pledgee: The Bank of Suzhou Taicang branch of Limited by Share Ltd. Pledgor: TAICANG JINMAO NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2022320010735 |
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