CN113604086A - Preparation method of heat-insulating fireproof coating - Google Patents
Preparation method of heat-insulating fireproof coating Download PDFInfo
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- CN113604086A CN113604086A CN202110949873.7A CN202110949873A CN113604086A CN 113604086 A CN113604086 A CN 113604086A CN 202110949873 A CN202110949873 A CN 202110949873A CN 113604086 A CN113604086 A CN 113604086A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
- C09D5/185—Intumescent paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Fireproofing Substances (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a preparation method of a heat-insulating fireproof coating, and relates to the technical field of fireproof coatings, wherein the ratio of hydrated lime to water in a solution A is 1:9-1: 10; adding 10-15 parts of alum into 100 parts of the solution A, and stirring to prepare a solution B; taking 100 parts of epoxidized soybean oil, and adding 5-10 parts of foaming agent into the epoxidized soybean oil to prepare a solution C; adding 10-20 parts of magnesium hydroxide powder into the solution B, and adding a flame-retardant solid material to prepare a mixture D; gradually adding the solution C after the polyvinyl chloride is added into the mixed material C after the polyvinyl chloride is added to prepare a solution E; heating the solution E for water evaporation to obtain a finished product; a large amount of oxyhydrogen inorganic compounds are adopted for preparation, so that carbonate precipitates are conveniently generated after spraying for covering and reinforcing, foaming flame retardants and the like are added, a flocculating agent and epoxy polyester are used for mixing materials, so that the paint is convenient to keep in a suspension state during preparation and storage, and a paint coating with the performance up to the standard can be formed after spraying for a small number of times.
Description
Technical Field
The invention relates to the technical field of fireproof coatings, in particular to a preparation method of a heat-insulating fireproof coating.
Background
The fire-retardant coating usually blocks heat transfer through a material with low thermal conductivity coefficient, so that the isolation of combustible materials is realized, and a small part of the fire-retardant coating adopts a base material which is heated and reacts to generate a flame-retardant substance, so that the combustion environment of the combustible materials is destroyed under the condition of fire, and the purpose of flame retardance is achieved; in the prior art, in order to ensure that the fireproof base material can be normally dissolved and facilitate subsequent spraying, the content of the base material can be reduced, and a large amount of volatile organic solvent is adopted, so that the existing fireproof coating needs to be sprayed layer by layer for many times, and the fireproof coating has single function and needs to be additionally coated and sprayed with an appearance decorative layer.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a preparation method of a heat-preservation fireproof coating, which adopts a large amount of oxyhydrogen inorganic compounds for preparation, so that carbonate precipitates are generated after spraying for covering and reinforcing, foaming flame retardants and the like are added, and a flocculating agent and epoxy polyester are used for mixing materials, so that the coating is kept in a suspension state during preparation and storage, the adhesiveness and the surface smoothness of the coating after spraying are ensured, and a coating layer with standard performance can be formed after few times of spraying.
In order to achieve the purpose, the invention adopts the following technical scheme:
it comprises the following steps:
step one, adding water into slaked lime for dissolving to prepare a solution A, wherein the ratio of the slaked lime to the water in the solution A is 1:9-1: 10;
step two, taking 100 parts of the solution A prepared in the step one, adding 10-15 parts of alum, stirring to prepare a solution B, continuously heating the solution B in the stirring process, and keeping the temperature of the solution B at 60-70 ℃;
step three, taking 100 parts of epoxidized soybean oil, adding 5-10 parts of foaming agent into the epoxidized soybean oil, and uniformly stirring to prepare a solution C;
step four, adding 10-20 parts of magnesium hydroxide powder into the solution B prepared in the step two, uniformly stirring, then adding the flame-retardant solid material after the magnesium hydroxide is added, and continuously stirring to prepare a mixture D;
taking 3-6 parts of flocculent polyvinyl chloride, dividing the flocculent polyvinyl chloride into two parts, adding one part of the flocculent polyvinyl chloride into the mixture D, stirring, adding the other part of the polyvinyl chloride into the solution C, stirring, then gradually adding the solution C into which the polyvinyl chloride is added into the mixture C into which the polyvinyl chloride is added, and continuously stirring to prepare a solution E;
and step six, heating the solution E in the step five for water evaporation, and continuously stirring in the heating process until the part of the solution E is reduced to 150-170 parts, thus obtaining a finished product.
Preferably, the foaming agent in the third step is prepared by mixing sodium dodecyl benzene sulfate and sodium abietate according to the proportion of 1:0.9-1:1.1, and crushing and uniformly stirring the mixture, wherein the diameter of the crushed particles is 0.5mm or less.
Preferably, in the fourth step, when adding the magnesium hydroxide powder to the solution B, 2 to 3 parts of magnesium hydroxide are taken as one batch to be added to the solution B one by one, and the magnesium hydroxide powder is fully stirred after each batch is added.
Preferably, in the fourth step, when magnesium hydroxide caking occurs during the addition of magnesium hydroxide into the solution B, 20-25 parts of the solution C prepared in the third step are added into the caking materials, and magnesium hydroxide is continuously added for stirring and dissolving; in the next step five, the solution C to be taken is the solution C left after the taking.
Preferably, the flame-retardant solid is silicon dioxide solid with the particle size of 2mm-3 mm.
Preferably, the flocculent polyvinyl chloride is a linear polymer with the diameter of 1mm and the length of 5mm-30 mm.
Compared with the prior art, the invention has the beneficial effects that:
1. dissolving and diluting alum by using a slaked lime solution to obtain a water-based flocculant containing calcium hydroxide and aluminum hydroxide, so that the suspension characteristics of the materials can be ensured when the subsequent materials are mixed, and a smooth carbonate solid layer can be formed after spraying;
2. excessive epoxidized soybean oil is used for dissolving the foaming agent in a spraying mode, the obtained solution is mixed with the flocculating agent, flocculent polyvinyl chloride and flame-retardant solid materials are added in the mixing process, a finished product can be foamed under a high-temperature state, the heat insulation performance is achieved, and meanwhile the flocculent polyvinyl chloride can assist the adhesion of the solid materials after spraying.
The specific implementation mode is as follows:
the first embodiment,
It comprises the following steps:
step one, adding water into slaked lime for dissolving to prepare a solution A, wherein the ratio of the slaked lime to the water in the solution A is 1: 10;
step two, taking 100 parts of the solution A prepared in the step one, adding 15 parts of alum, stirring to prepare a solution B, continuously heating the solution B in the stirring process, and keeping the temperature of the solution B at 60-70 ℃;
step three, taking 100 parts of epoxidized soybean oil, adding 10 parts of foaming agent into the epoxidized soybean oil, uniformly stirring the mixture to prepare a solution C, wherein the foaming agent is prepared by mixing sodium dodecyl benzene sulfate and sodium abietate according to the proportion of 1:1, and crushing and uniformly stirring the mixture, wherein the diameter of the crushed particles is 0.5mm or less;
step four, adding 20 parts of magnesium hydroxide powder into the solution B prepared in the step two, adding 2-3 parts of magnesium hydroxide into the solution B in batches, fully stirring and uniformly stirring after adding the magnesium hydroxide powder into each batch, and adding 20-25 parts of the solution C prepared in the step two into the solution B with the magnesium hydroxide lumps when adding the magnesium hydroxide in batches to assist the dissolution of the magnesium hydroxide lumps;
then after the magnesium hydroxide is added, adding a flame-retardant solid material and continuously stirring to prepare a mixture D, wherein the flame-retardant solid material is silicon dioxide solid with the particle size of 2-3 mm;
taking 3-6 parts of flocculent polyvinyl chloride, dividing the flocculent polyvinyl chloride into two parts equally, adding one part of flocculent polyvinyl chloride which is a linear polymer with the diameter of 1mm and the length of 5mm into the mixture D, stirring, adding the other part of polyvinyl chloride into all the solution C left after the step three, stirring, then gradually adding the solution C after the polyvinyl chloride is added into the mixed material C after the polyvinyl chloride is added, and continuously stirring to prepare a solution E;
and step six, heating the solution E in the step five to evaporate water, and continuously stirring in the heating process until the part of the solution E is reduced to 170 parts, so as to obtain a finished product.
In the embodiment, the added calcium hydroxide is taken as a small part, the parts of alum and magnesium hydroxide are increased, the foaming agent is added in large parts, and the water content is kept in large parts during evaporation, so that the coating is suitable for the surface of a soil layer, a smooth surface layer can be formed, wrinkles of the surface layer are reduced, and the foaming agent in large parts expands violently when a fire disaster is heated to generate a thick foaming heat insulation layer.
Example II,
It comprises the following steps:
step one, adding water into slaked lime for dissolving to prepare a solution A, wherein the ratio of the slaked lime to the water in the solution A is 1: 9;
step two, taking 100 parts of the solution A prepared in the step one, adding 10 parts of alum, stirring to prepare a solution B, continuously heating the solution B in the stirring process, and keeping the temperature of the solution B at 60-70 ℃;
taking 100 parts of epoxidized soybean oil, adding 5 parts of foaming agent into the epoxidized soybean oil, and uniformly stirring to prepare a solution C, wherein the foaming agent is prepared by taking sodium dodecyl benzene sulfate and sodium abietate according to the weight ratio of 1:1, crushing and uniformly stirring the mixture after mixing, wherein the diameter of the crushed particles is 0.5mm or less;
step four, adding 10 parts of magnesium hydroxide powder into the solution B prepared in the step two, adding 2-3 parts of magnesium hydroxide into the solution B in batches, fully stirring and uniformly stirring after adding the magnesium hydroxide powder into each batch, and adding 20-25 parts of the solution C prepared in the step two into the solution B with the magnesium hydroxide lumps when adding the magnesium hydroxide in batches to assist the dissolution of the magnesium hydroxide lumps;
then after the magnesium hydroxide is added, adding a flame-retardant solid material and continuously stirring to prepare a mixture D, wherein the flame-retardant solid material is silicon dioxide solid with the particle size of 3 mm;
taking 3-6 parts of flocculent polyvinyl chloride, dividing the flocculent polyvinyl chloride into two parts, adding one part of the flocculent polyvinyl chloride which is a linear polymer with the diameter of 1mm and the length of 30mm into the mixture D, stirring, adding the other part of the polyvinyl chloride into all the solution C left after the step three, stirring, then gradually adding the solution C after the polyvinyl chloride is added into the mixed material C after the polyvinyl chloride is added, and continuously stirring to prepare a solution E;
and step six, heating the solution E in the step five to evaporate water, and continuously stirring in the heating process until the part of the solution E is reduced to 150 parts, thereby preparing a finished product.
In this embodiment, increase the quantity of calcium hydroxide, and reduce the content of aluminium hydroxide, magnesium hydroxide and foamer simultaneously, adopt the silica of big particle diameter and long polyvinyl chloride silk wadding, evaporate a large amount of moisture simultaneously when moisture evaporates, the coating of being convenient for sprays the use as inside basic unit, the coating is easily with thick liquid adhesion on the structural layer after the spraying this moment, and form the basic unit that thickness is up to standard, and a small amount of foamer can make the coating produce deformation less when being heated, guarantee that the coating throws away and can closely adhere on the structure under the conflagration condition, and can not destroy outside soil layer structure by a large scale because of excessive expansion.
It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the invention.
Claims (6)
1. A preparation method of a heat-insulating fireproof coating is characterized by comprising the following steps: it comprises the following steps:
step one, adding water into slaked lime for dissolving to prepare a solution A, wherein the ratio of the slaked lime to the water in the solution A is 1:9-1: 10;
step two, taking 100 parts of the solution A prepared in the step one, adding 10-15 parts of alum, stirring to prepare a solution B, continuously heating the solution B in the stirring process, and keeping the temperature of the solution B at 60-70 ℃;
step three, taking 100 parts of epoxidized soybean oil, adding 5-10 parts of foaming agent into the epoxidized soybean oil, and uniformly stirring to prepare a solution C;
step four, adding 10-20 parts of magnesium hydroxide powder into the solution B prepared in the step two, uniformly stirring, then adding the flame-retardant solid material after the magnesium hydroxide is added, and continuously stirring to prepare a mixture D;
taking 3-6 parts of flocculent polyvinyl chloride, dividing the flocculent polyvinyl chloride into two parts, adding one part of the flocculent polyvinyl chloride into the mixture D, stirring, adding the other part of the polyvinyl chloride into the solution C, stirring, then gradually adding the solution C into which the polyvinyl chloride is added into the mixture C into which the polyvinyl chloride is added, and continuously stirring to prepare a solution E;
and step six, heating the solution E in the step five for water evaporation, and continuously stirring in the heating process until the part of the solution E is reduced to 150-170 parts, thus obtaining a finished product.
2. The preparation method of the heat-insulating fireproof coating as claimed in claim 1, wherein the preparation method comprises the following steps: the foaming agent in the third step is prepared by mixing sodium dodecyl benzene sulfate and sodium abietate according to the proportion of 1:0.9-1:1.1, crushing and uniformly stirring after mixing, wherein the diameter of the crushed particles is 0.5mm or less.
3. The preparation method of the heat-insulating fireproof coating as claimed in claim 1, wherein the preparation method comprises the following steps: in the fourth step, when the magnesium hydroxide powder is added into the solution B, 2-3 parts of magnesium hydroxide are taken as one batch and added into the solution B one batch by one batch, and the magnesium hydroxide powder is fully stirred after each batch is added.
4. The preparation method of the heat-insulating fireproof coating as claimed in claim 1, wherein the preparation method comprises the following steps: in the fourth step, when magnesium hydroxide is added into the solution B and magnesium hydroxide caking occurs, 20-25 parts of the solution C prepared in the third step are added into the caking materials, and magnesium hydroxide is continuously added for stirring and dissolving; in the next step five, the solution C to be taken is the solution C left after the taking.
5. The preparation method of the heat-insulating fireproof coating as claimed in claim 1, wherein the preparation method comprises the following steps: the flame-retardant solid material is silicon dioxide solid with the particle size of 2mm-3 mm.
6. The preparation method of the heat-insulating fireproof coating as claimed in claim 1, wherein the preparation method comprises the following steps: the flocculent polyvinyl chloride is a linear polymer with the diameter of 1mm and the length of 5mm-30 mm.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114621490A (en) * | 2022-04-25 | 2022-06-14 | 辽宁丽天新材料有限公司 | Expandable composite graphite flame-retardant polystyrene bead and preparation method thereof |
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CN106079783A (en) * | 2016-06-21 | 2016-11-09 | 广州市锐博塑料五金制品有限公司 | A kind of antibacterial resin plate and preparation method thereof |
CN107090198A (en) * | 2017-06-22 | 2017-08-25 | 合肥钢骨玻璃制品有限公司 | A kind of composite fireproof glass fire-resistant fluid and preparation method thereof |
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2021
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Patent Citations (5)
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GB1080468A (en) * | 1963-08-30 | 1967-08-23 | Burns & Russell Co | Polymerizable coating composition and treatment of building materials therewith |
CN103562348A (en) * | 2011-03-05 | 2014-02-05 | Bk吉乌里尼两合公司 | Use of a stabilizer for producing halogen-free, ammonium polyphosphate-containing flame-retardant coating compositions |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN114621490A (en) * | 2022-04-25 | 2022-06-14 | 辽宁丽天新材料有限公司 | Expandable composite graphite flame-retardant polystyrene bead and preparation method thereof |
CN114621490B (en) * | 2022-04-25 | 2023-06-23 | 辽宁丽天新材料有限公司 | Expandable composite graphite flame-retardant polystyrene bead and preparation method thereof |
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