CN117384532A - Fireproof coating and fireproof and explosion-proof plate with same - Google Patents
Fireproof coating and fireproof and explosion-proof plate with same Download PDFInfo
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- CN117384532A CN117384532A CN202311482393.XA CN202311482393A CN117384532A CN 117384532 A CN117384532 A CN 117384532A CN 202311482393 A CN202311482393 A CN 202311482393A CN 117384532 A CN117384532 A CN 117384532A
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- 238000000576 coating method Methods 0.000 title claims abstract description 74
- 239000011248 coating agent Substances 0.000 title claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 78
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 45
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 45
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003063 flame retardant Substances 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 23
- 239000003822 epoxy resin Substances 0.000 claims abstract description 22
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000003607 modifier Substances 0.000 claims abstract description 19
- 239000000839 emulsion Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000003960 organic solvent Substances 0.000 claims abstract description 15
- PPQREHKVAOVYBT-UHFFFAOYSA-H dialuminum;tricarbonate Chemical compound [Al+3].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O PPQREHKVAOVYBT-UHFFFAOYSA-H 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004114 Ammonium polyphosphate Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 9
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims abstract description 9
- 229920001276 ammonium polyphosphate Polymers 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 9
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000004982 aromatic amines Chemical class 0.000 claims abstract description 8
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004327 boric acid Substances 0.000 claims abstract description 8
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002243 precursor Substances 0.000 claims abstract description 8
- 229940118662 aluminum carbonate Drugs 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims abstract description 7
- 238000010907 mechanical stirring Methods 0.000 claims description 35
- 238000002156 mixing Methods 0.000 claims description 30
- 230000009970 fire resistant effect Effects 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical group [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 8
- 238000007865 diluting Methods 0.000 claims description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 7
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000008096 xylene Substances 0.000 claims description 4
- 230000004224 protection Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 239000003973 paint Substances 0.000 abstract 2
- 238000003756 stirring Methods 0.000 description 59
- 230000006750 UV protection Effects 0.000 description 13
- 230000007613 environmental effect Effects 0.000 description 10
- MAOBFOXLCJIFLV-UHFFFAOYSA-N (2-aminophenyl)-phenylmethanone Chemical compound NC1=CC=CC=C1C(=O)C1=CC=CC=C1 MAOBFOXLCJIFLV-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- -1 butyl hydroxy benzene aldehyde Chemical class 0.000 description 5
- WCZVZNOTHYJIEI-UHFFFAOYSA-N cinnoline Chemical class N1=NC=CC2=CC=CC=C21 WCZVZNOTHYJIEI-UHFFFAOYSA-N 0.000 description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- SEEPANYCNGTZFQ-UHFFFAOYSA-N sulfadiazine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=NC=CC=N1 SEEPANYCNGTZFQ-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- KJDPLFMXUGEZSU-UHFFFAOYSA-N 3-butyl-2-hydroxybenzaldehyde Chemical compound CCCCC1=CC=CC(C=O)=C1O KJDPLFMXUGEZSU-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940116007 ferrous phosphate Drugs 0.000 description 1
- 229910000155 iron(II) phosphate Inorganic materials 0.000 description 1
- SDEKDNPYZOERBP-UHFFFAOYSA-H iron(ii) phosphate Chemical compound [Fe+2].[Fe+2].[Fe+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O SDEKDNPYZOERBP-UHFFFAOYSA-H 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
-
- 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
-
- 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
- C09D7/63—Additives non-macromolecular organic
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention discloses a fireproof coating and a fireproof and explosion-proof plate with the fireproof coating, which relate to the technical field of fireproof materials and utilize an environment-friendly epoxy resin precursor, a modifier, an acrylic emulsion, ammonium polyphosphate, melamine, pentaerythritol and Al (OH) 3 Boric acid, expanded graphite, deionized water, liquid sodium silicate, solid sodium silicate, redispersible emulsion powder, low-melting glass powder and Al (OH) 3 Preparing comprehensive fireproof paint from MgO, an aromatic amine curing agent, a flame retardant, heat insulation particles, a stabilizer, an ultraviolet resistant agent and an organic solvent; the prepared comprehensive fireproof paint is smearedAnd (3) carrying out curing treatment on the required surface to obtain the fireproof coating. For the designed fireproof and explosion-proof plate, the fireproof coating prepared by the invention is arranged on a stainless steel panel, an inorganic fireproof plate and an aluminum carbonate fiber blanket. The invention can provide better fire protection and safety in various fields, and the effects lead the technical scheme to have wide application prospect and market potential.
Description
Technical Field
The invention relates to the technical field of fireproof materials, in particular to a fireproof coating and a fireproof and explosion-proof plate with the fireproof coating.
Background
Fireproof coatings are a critical technology and are widely used in various situations to slow fire spread, improve the fire resistance of buildings and equipment, and reduce the damage caused by fire. Meanwhile, an explosion-proof plate is also a key safety device used in an explosion-proof environment to protect personnel and equipment from explosion and fire. However, conventional fire-resistant coatings and blast panels have some problems: traditional fire-resistant coatings and panels may lose their performance after prolonged use, requiring frequent maintenance and replacement, which increases operating costs; the high density of some fire-resistant coatings and panels can increase the load on the structure being protected, with high requirements on construction and equipment; some traditional fireproof coatings and explosion-proof plates may contain harmful substances, which cause adverse effects on the environment, and are inconsistent with the modern environmental protection requirements; some fire-resistant coatings fail to provide both fire and explosion protection, which limits their range of applications.
Disclosure of Invention
The invention aims to provide a fireproof coating and a fireproof and explosion-proof plate with the fireproof coating, which can solve the problems.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides a method of preparing a fire-resistant coating, comprising the steps of:
s1, preparing environment-friendly modified epoxy resin in a nitrogen atmosphere by utilizing 30-40 parts by mass of an epoxy resin precursor and 5-10 parts by mass of an environment-friendly modifier;
s2, according to mass ratio 33:25:15:17:2.5:1.5:3:40, taking pure acrylic emulsion, ammonium polyphosphate, melamine, pentaerythritol and Al (OH) 3 Uniformly mixing boric acid, expanded graphite and deionized water to prepare a first base material;
s3, according to mass ratio 35:4:1.5:6:30:6, taking liquid sodium silicate, solid sodium silicate, redispersible emulsion powder, low-melting-point glass powder and Al (OH) 3 Mixing with MgO uniformly to prepare a second base material;
s4, uniformly mixing the environment-friendly modified epoxy resin with 5-20 parts by mass of aromatic amine curing agent to prepare a third base material;
s5, uniformly mixing the third base material, 20 parts by mass of the first base material and 15 parts by mass of the second base material to obtain a first mixed material;
s6, uniformly mixing the first mixed material, 10-20 parts by mass of flame retardant, 5-15 parts by mass of heat insulation particles, 2-5 parts by mass of stabilizer and 1-3 parts by mass of ultraviolet resistant agent to obtain a second mixed material;
s7, diluting the second mixed material by using 35-45 parts by mass of organic solvent with the concentration of 35% to obtain the comprehensive fireproof coating;
and S8, coating the prepared comprehensive fireproof coating on the required surface, and performing curing treatment to obtain the fireproof coating.
In a preferred embodiment of the present invention, in step S1, the environment-friendly modifier is a phosphorus-nitrogen flame retardant or an organosilicon modifier.
In a preferred embodiment of the present invention, in step S2, the mixed raw materials are stirred at a speed of 400r/min for 30min using a mechanical stirring device.
In a preferred embodiment of the present invention, in step S3, the mixed raw materials are stirred at a speed of 150r/min for 15min and then at a speed of 400r/min for 25min using a mechanical stirring device.
In a preferred embodiment of the present invention, in step S3, for liquid sodium silicate, the solid content is 35% and the sodium silicate modulus is 3.3; for solid sodium silicate, its sodium silicate modulus is 1.
In a preferred embodiment of the present invention, in step S4, the mixed raw materials are stirred for 10min at a speed of 100r/min, then for 20min at a speed of 250r/min, and finally for 20min at a speed of 400r/min using a mechanical stirring device.
In a preferred embodiment of the present invention, in step S5, the mixed raw materials are stirred at a speed of 100r/min for 5min, then at a speed of 200r/min for 10min, then at a speed of 300r/min for 10min, and finally at a speed of 400r/min for 20min using a mechanical stirring device.
In a preferred embodiment of the present invention, in step S6, the mixed raw materials are stirred at a speed of 300r/min for 30min using a mechanical stirring device.
In a preferred embodiment of the present invention, the organic solvent used in step S7 is one or more of acetone, methanol, ethanol, xylene and toluene.
In a second aspect, the invention provides a fireproof and explosion-proof plate, which comprises a stainless steel panel, an inorganic fireproof plate, a middle keel, an aluminum carbonate fiber blanket and an explosion-proof plate, wherein fireproof coatings prepared by the preparation method of the first aspect are arranged on the surfaces of the stainless steel panel, the inorganic fireproof plate and the aluminum carbonate fiber blanket.
Compared with the prior art, the invention has the beneficial effects that:
1) The fire-resistant coating prepared by the invention can burn only after a longer time, which means that more time can be provided for coping with fire in case of fire, and the safety is increased.
2) The fire-resistant coatings prepared according to the present invention provide excellent fire resistance even at low coating weights, which is helpful for load bearing requirements in building materials and other applications.
3) The fireproof coating prepared by the invention can bear higher temperature, which is very important for occasions used in high-temperature environments, such as fire scenes or high-temperature industrial applications.
4) The fire-resistant coating prepared by the invention has good ultraviolet resistance, which means that the fire-resistant coating can keep the performance of the fire-resistant coating in outdoor environment for a long time without being damaged by ultraviolet radiation.
5) The preparation method of the invention uses materials with environmental protection property, which helps to reduce negative influence on environment.
6) The fire-resistant coatings prepared by the present invention can be used in a variety of applications, including construction, industrial equipment, vehicles, etc., to provide broad fire protection.
7) The method of the invention can prepare fireproof coating with high efficiency, and the manufacturing cost can be reduced, so that the coating is more competitive.
8) By arranging the fireproof coating prepared by the invention on the stainless steel panel, the inorganic fireproof plate and the aluminum carbonate fiber blanket, the comprehensive fireproof performance of the fireproof and explosion-proof plate is obviously improved, which means that the fireproof and explosion-proof plate can provide higher-level fireproof protection under the condition of fire disaster, and the safety of buildings or equipment is increased; the fireproof and explosion-proof plate is provided with an explosion-proof plate, so that the fireproof and explosion-proof plate provides additional protection in an explosion dangerous environment; the presence of the fire-resistant coating may increase the durability of the fire-resistant and explosion-proof panel, enabling it to maintain its performance for a longer period of time. This is very beneficial for applications that are used for long periods of time and exposed to harsh conditions; the fireproof and explosion-proof board has various structures, including stainless steel panel, inorganic fireproof board, middle keel, aluminum carbonate fiber blanket and explosion-proof board, and is suitable for various fields, such as building, industrial equipment, military facilities, etc.
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a method of preparing a fire-resistant coating according to an example.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention.
Referring to fig. 1, the present invention provides a method for preparing a fireproof coating, and examples of the method are given below.
Example 1
The preparation method of the fireproof coating provided by the embodiment comprises the following steps:
1) 30 parts by mass of an epoxy resin precursor with environmental protection property and 5 parts by mass of an environmental protection modifier are utilized to prepare the environmental protection modified epoxy resin in a nitrogen atmosphere, wherein the environmental protection modifier is a phosphorus-nitrogen flame retardant.
2) According to mass ratio 33:25:15:17:2.5:1.5:3:40, taking pure acrylic emulsion, ammonium polyphosphate, melamine, pentaerythritol and Al (OH) 3 And (3) boric acid, expanded graphite and deionized water, and stirring and mixing for 30min at a speed of 400r/min by using mechanical stirring equipment to prepare the first base material.
3) According to the mass ratio of 35:4:1.5:6:30:6, taking liquid sodium silicate, solid sodium silicate, redispersible emulsion powder, low-melting-point glass powder and Al (OH) 3 And MgO, stirring for 15min at a speed of 150r/min and then stirring for 25min at a speed of 400r/min by using mechanical stirring equipment to prepare a second base material; for liquid sodium silicate, the solid content is 35%, and the sodium silicate modulus is 3.3; for solid sodium silicate, its sodium silicate modulus is 1.
4) And (3) using mechanical stirring equipment to stir the environment-friendly modified epoxy resin and 5 parts by mass of aromatic amine curing agent for 10min at a speed of 100r/min, stirring for 20min at a speed of 250r/min, and stirring for 20min at a speed of 400r/min to prepare the third base material.
5) And (3) using mechanical stirring equipment to stir the third base material, 20 parts by mass of the first base material and 15 parts by mass of the second base material for 5min at a speed of 100r/min, then stirring for 10min at a speed of 200r/min, then stirring for 10min at a speed of 300r/min, and finally stirring for 20min at a speed of 400r/min to prepare the first mixed material.
6) And (3) stirring the first mixed material, 10 parts by mass of flame retardant, 5 parts by mass of heat insulation particles, 2 parts by mass of stabilizer and 1 part by mass of ultraviolet resistance agent for 30min at a speed of 300r/min by using mechanical stirring equipment to prepare a second mixed material, wherein the flame retardant is a phosphorus-nitrogen flame retardant, the heat insulation particles are diatomite, the stabilizer is formed by mixing dimethyltin dioctyl salt, zinc stearate, butyl hydroxy benzene aldehyde and trimellitic diazine, the mixing mass ratio is 1:1:1:1, and the ultraviolet resistance agent is formed by mixing aminobenzophenone and benzodiazine compounds according to the weight ratio of 1:1.
7) And diluting the second mixed material by using 35 parts by mass of an organic solvent with the concentration of 35% to obtain the comprehensive fireproof coating, wherein the organic solvent is an acetone solvent.
8) And coating the prepared comprehensive fireproof coating on the required surface, and performing curing treatment to obtain the fireproof coating.
Example 2
The preparation method of the fireproof coating provided by the embodiment comprises the following steps:
1) 33 parts by mass of an epoxy resin precursor with environmental protection property and 7 parts by mass of an environmental protection modifier are utilized to prepare the environmental protection modified epoxy resin in a nitrogen atmosphere, wherein the environmental protection modifier is a phosphorus-nitrogen flame retardant.
2) According to mass ratio 33:25:15:17:2.5:1.5:3:40, taking pure acrylic emulsion, ammonium polyphosphate, melamine, pentaerythritol and Al (OH) 3 And (3) boric acid, expanded graphite and deionized water, and stirring and mixing for 30min at a speed of 400r/min by using mechanical stirring equipment to prepare the first base material.
3) According to the mass ratio of 35:4:1.5:6:30:6, taking liquid sodium silicate, solid sodium silicate, redispersible emulsion powder, low-melting-point glass powder and Al (OH) 3 And MgO, stirring for 15min at a speed of 150r/min and then stirring for 25min at a speed of 400r/min by using mechanical stirring equipment to prepare a second base material; for liquid sodium silicate, the solid content is 35%, and the sodium silicate modulus is 3.3; for solid sodium silicate, its sodium silicate modulus is 1.
4) And (3) using mechanical stirring equipment to stir the environment-friendly modified epoxy resin and 9 parts by mass of aromatic amine curing agent for 10min at a speed of 100r/min, stirring for 20min at a speed of 250r/min, and stirring for 20min at a speed of 400r/min to prepare the third base material.
5) And (3) using mechanical stirring equipment to stir the third base material, 20 parts by mass of the first base material and 15 parts by mass of the second base material for 5min at a speed of 100r/min, then stirring for 10min at a speed of 200r/min, then stirring for 10min at a speed of 300r/min, and finally stirring for 20min at a speed of 400r/min to prepare the first mixed material.
6) And (3) stirring the first mixed material, 13 parts by mass of flame retardant, 8 parts by mass of heat insulation particles, 2.5 parts by mass of stabilizer and 1 part by mass of ultraviolet resistance agent for 30min at a speed of 300r/min by using mechanical stirring equipment to prepare a second mixed material, wherein the flame retardant is a phosphorus-nitrogen flame retardant, the heat insulation particles are diatomite, the stabilizer is formed by mixing dimethyl tin dioctyl phthalate, zinc stearate, butyl hydroxy benzaldehyde and trimellitic diazine, the mixing mass ratio is 1:1:1, and the ultraviolet resistance agent is formed by mixing aminobenzophenone and benzodiazine compounds according to the weight ratio of 1:1.
7) And diluting the second mixed material by 36 parts by mass of an organic solvent with the concentration of 35% to obtain the comprehensive fireproof coating, wherein the organic solvent is a mixed solvent of methanol, dimethylbenzene and methylbenzene.
8) And coating the prepared comprehensive fireproof coating on the required surface, and performing curing treatment to obtain the fireproof coating.
Example 3
The preparation method of the fireproof coating provided by the embodiment comprises the following steps:
1) The environment-friendly modified epoxy resin is prepared by using 35 parts by mass of an epoxy resin precursor with environment-friendly property and 8 parts by mass of an environment-friendly modifier in a nitrogen atmosphere, wherein the environment-friendly modifier is an organosilicon modifier.
2) According to mass ratio 33:25:15:17:2.5:1.5:3:40, taking pure acrylic emulsion, ammonium polyphosphate, melamine, pentaerythritol and Al (OH) 3 And (3) boric acid, expanded graphite and deionized water, and stirring and mixing for 30min at a speed of 400r/min by using mechanical stirring equipment to prepare the first base material.
3) According to the mass ratio of 35:4:1.5:6:30:6, taking liquid sodium silicate, solid sodium silicate, redispersible emulsion powder, low-melting-point glass powder and Al (OH) 3 And MgO, stirring for 15min at a speed of 150r/min and then stirring for 25min at a speed of 400r/min by using mechanical stirring equipment to prepare a second base material; for liquid sodium silicate, the solid content is 35%, and the sodium silicate modulus is 3.3; for solid sodium silicate, its sodium silicate modulus is 1.
4) And (3) using mechanical stirring equipment to stir the environment-friendly modified epoxy resin and 12 parts by mass of aromatic amine curing agent for 10min at a speed of 100r/min, stirring for 20min at a speed of 250r/min, and stirring for 20min at a speed of 400r/min to prepare the third base material.
5) And (3) using mechanical stirring equipment to stir the third base material, 20 parts by mass of the first base material and 15 parts by mass of the second base material for 5min at a speed of 100r/min, then stirring for 10min at a speed of 200r/min, then stirring for 10min at a speed of 300r/min, and finally stirring for 20min at a speed of 400r/min to prepare the first mixed material.
6) And stirring the first mixed material, 15 parts by mass of flame retardant, 10 parts by mass of heat insulation particles, 3 parts by mass of stabilizer and 2 parts by mass of ultraviolet resistance agent for 30min at a speed of 300r/min by using mechanical stirring equipment to prepare a second mixed material, wherein the flame retardant is a phosphorus-nitrogen flame retardant, the heat insulation particles are diatomite, the stabilizer is formed by mixing dimethyltin dioctyl salt, zinc stearate, butyl hydroxy benzene aldehyde and trimellitic acid, the mixing mass ratio is 1:1:1, and the ultraviolet resistance agent is formed by mixing aminobenzophenone and benzodiazine compounds according to the weight ratio of 1:1.
7) And diluting the second mixed material by 39 parts by mass of an organic solvent with the concentration of 35% to obtain the comprehensive fireproof coating, wherein the organic solvent is a mixed solvent of acetone and methanol.
8) And coating the prepared comprehensive fireproof coating on the required surface, and performing curing treatment to obtain the fireproof coating.
Example 4
The preparation method of the fireproof coating provided by the embodiment comprises the following steps:
1) The environment-friendly modified epoxy resin is prepared by using 38 parts by mass of an epoxy resin precursor with environment-friendly property and 9 parts by mass of an environment-friendly modifier in a nitrogen atmosphere, wherein the environment-friendly modifier is an organosilicon modifier.
2) According to mass ratio 33:25:15:17:2.5:1.5:3:40, taking pure acrylic emulsion, ammonium polyphosphate, melamine, pentaerythritol and Al (OH) 3 And (3) boric acid, expanded graphite and deionized water, and stirring and mixing for 30min at a speed of 400r/min by using mechanical stirring equipment to prepare the first base material.
3) According to the mass ratio of 35:4:1.5:6:30:6, taking liquid sodium silicate, solid sodium silicate, redispersible emulsion powder, low-melting-point glass powder and Al (OH) 3 And MgO, stirring for 15min at a speed of 150r/min and then stirring for 25min at a speed of 400r/min by using mechanical stirring equipment to prepare a second base material; for liquid sodium silicate, the solid content is 35%, and the sodium silicate modulus is 3.3; for solid sodium silicate, its sodium silicate modulus is 1.
4) And (3) using mechanical stirring equipment to stir the environment-friendly modified epoxy resin and 16 parts by mass of aromatic amine curing agent for 10min at a speed of 100r/min, stirring for 20min at a speed of 250r/min, and stirring for 20min at a speed of 400r/min to prepare the third base material.
5) And (3) using mechanical stirring equipment to stir the third base material, 20 parts by mass of the first base material and 15 parts by mass of the second base material for 5min at a speed of 100r/min, then stirring for 10min at a speed of 200r/min, then stirring for 10min at a speed of 300r/min, and finally stirring for 20min at a speed of 400r/min to prepare the first mixed material.
6) And (3) stirring the first mixed material, 18 parts by mass of flame retardant, 13 parts by mass of heat insulation particles, 4 parts by mass of stabilizer and 2 parts by mass of ultraviolet resistance agent for 30min at a speed of 300r/min by using mechanical stirring equipment to prepare a second mixed material, wherein the flame retardant is a phosphorus-nitrogen flame retardant, the heat insulation particles are diatomite, the stabilizer is formed by mixing dimethyltin dioctyl salt, zinc stearate, butyl hydroxy benzene aldehyde and trimellitic diazine, the mixing mass ratio is 1:1:1, and the ultraviolet resistance agent is formed by mixing aminobenzophenone and benzodiazine compounds according to the weight ratio of 1:1.
7) And diluting the second mixed material by using 42 parts by mass of an organic solvent with the concentration of 35% to obtain the comprehensive fireproof coating, wherein the organic solvent is a xylene solvent.
8) And coating the prepared comprehensive fireproof coating on the required surface, and performing curing treatment to obtain the fireproof coating.
Example 5
The preparation method of the fireproof coating provided by the embodiment comprises the following steps:
1) The environment-friendly modified epoxy resin is prepared by using 40 parts by mass of an epoxy resin precursor with environment-friendly property and 10 parts by mass of an environment-friendly modifier in a nitrogen atmosphere, wherein the environment-friendly modifier is a phosphorus-nitrogen flame retardant.
2) According to mass ratio 33:25:15:17:2.5:1.5:3:40, taking pure acrylic emulsion, ammonium polyphosphate, melamine, pentaerythritol and Al (OH) 3 And (3) boric acid, expanded graphite and deionized water, and stirring and mixing for 30min at a speed of 400r/min by using mechanical stirring equipment to prepare the first base material.
3) According to the mass ratio of 35:4:1.5:6:30:6, taking liquid sodium silicate, solid sodium silicate, redispersible emulsion powder, low-melting-point glass powder and Al (OH) 3 And MgO, stirring for 15min at a speed of 150r/min and then stirring for 25min at a speed of 400r/min by using mechanical stirring equipment to prepare a second base material; for liquid sodium silicate, the solid content is 35%, and the sodium silicate modulus is 3.3; for solid sodium silicate, its sodium silicate modulus is 1.
4) And (3) using mechanical stirring equipment to stir the environment-friendly modified epoxy resin and 20 parts by mass of aromatic amine curing agent for 10min at a speed of 100r/min, stirring for 20min at a speed of 250r/min, and stirring for 20min at a speed of 400r/min to prepare the third base material.
5) And (3) using mechanical stirring equipment to stir the third base material, 20 parts by mass of the first base material and 15 parts by mass of the second base material for 5min at a speed of 100r/min, then stirring for 10min at a speed of 200r/min, then stirring for 10min at a speed of 300r/min, and finally stirring for 20min at a speed of 400r/min to prepare the first mixed material.
6) And stirring the first mixed material, 20 parts by mass of flame retardant, 15 parts by mass of heat insulation particles, 5 parts by mass of stabilizer and 3 parts by mass of ultraviolet resistance agent for 30min at a speed of 300r/min by using mechanical stirring equipment to prepare a second mixed material, wherein the flame retardant is a phosphorus-nitrogen flame retardant, the heat insulation particles are diatomite, the stabilizer is formed by mixing dimethyltin dioctyl salt, zinc stearate, butyl hydroxy benzene aldehyde and trimellitic acid, the mixing mass ratio is 1:1:1, and the ultraviolet resistance agent is formed by mixing aminobenzophenone and benzodiazine compounds according to the weight ratio of 1:1.
7) And diluting the second mixed material by using 45 parts by mass of an organic solvent with the concentration of 35% to obtain the comprehensive fireproof coating, wherein the organic solvent is an acetone solvent.
8) And coating the prepared comprehensive fireproof coating on the required surface, and performing curing treatment to obtain the fireproof coating.
Comparative example 1
28 parts by mass of ammonium polyphosphate, 16 parts by mass of melamine and 1 part by mass of Al (OH) were taken 3 And 3 parts by mass of expanded graphite in a container, adding 20 parts by mass of deionized water, mechanically stirring for 30min at a rotating speed of 300r/min to fully and uniformly mix the materials, then adding 29 parts by mass of pure acrylic emulsion and 1 part by mass of ferrous phosphate, and mechanically stirring for 30min at a rotating speed of 400r/min to obtain the first base material. 38 parts by mass of liquid sodium silicate (modulus 2, solid content 30%) and 1 part by mass of redispersible emulsion powder are taken and put into a container, mechanically stirred for 20min at a rotating speed of 300r/min to be fully and uniformly mixed, and then 1 part by mass of acrylic acid antioxidant, 6 parts by mass of low-melting glass powder and 30 parts by mass of Al (OH) are added 3 And 7 parts by mass of MgO, and mechanically stirring for 35min at a rotating speed of 350r/min to obtain a second base material. Mechanically stirring the first base material, the second base material and 30 parts by mass of xylene solvent for 20min at a rotating speed of 400r/min to obtain a coating, coating the coating on a required surface, and curing the coatingAnd (3) obtaining the fireproof coating.
The above examples and comparative examples were subjected to experimental comparison of fire resistance, heat resistance and ultraviolet resistance, and the obtained data are shown in table 1.
TABLE 1
Performance comparison shows that:
from the above experimental data, it can be seen that compared with the comparative example:
examples 1-5 have longer burn times (60 seconds, 55 seconds, 65 seconds, 62 seconds, and 58 seconds), indicating that they are significantly more excellent in fire resistance because they require longer times to burn. The density of examples 1-5 is relatively low, which can reduce the weight of the coating, but still maintain good fire performance. Examples 1-5 have higher heat resistance and are able to withstand higher temperatures, which is critical to the high temperature environment in the event of fire. The UV resistance of examples 1-5 is also better, indicating their higher durability in outdoor environments.
In combination, the fire-resistant coating prepared by the method of the invention is excellent in various properties, and has better fire-resistant performance compared with comparative example 1. This means that the fire-protective coating produced by the method of the invention provides a longer time to prevent fire from spreading in the event of a fire, thereby providing more effective protection.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method of preparing a fire-resistant coating comprising the steps of:
s1, preparing environment-friendly modified epoxy resin in a nitrogen atmosphere by utilizing 30-40 parts by mass of an epoxy resin precursor and 5-10 parts by mass of an environment-friendly modifier;
s2, according to mass ratio 33:25:15:17:2.5:1.5:3:40, taking pure acrylic emulsion, ammonium polyphosphate, melamine, pentaerythritol and Al (OH) 3 Uniformly mixing boric acid, expanded graphite and deionized water to prepare a first base material;
s3, according to mass ratio 35:4:1.5:6:30:6, taking liquid sodium silicate, solid sodium silicate, redispersible emulsion powder, low-melting-point glass powder and Al (OH) 3 Mixing with MgO uniformly to prepare a second base material;
s4, uniformly mixing the environment-friendly modified epoxy resin with 5-20 parts by mass of aromatic amine curing agent to prepare a third base material;
s5, uniformly mixing the third base material, 20 parts by mass of the first base material and 15 parts by mass of the second base material to obtain a first mixed material;
s6, uniformly mixing the first mixed material, 10-20 parts by mass of flame retardant, 5-15 parts by mass of heat insulation particles, 2-5 parts by mass of stabilizer and 1-3 parts by mass of ultraviolet resistant agent to obtain a second mixed material;
s7, diluting the second mixed material by using 35-45 parts by mass of organic solvent with the concentration of 35% to obtain the comprehensive fireproof coating;
and S8, coating the prepared comprehensive fireproof coating on the required surface, and performing curing treatment to obtain the fireproof coating.
2. The method according to claim 1, wherein in step S1, the environment-friendly modifier is a phosphorus-nitrogen flame retardant or an organosilicon modifier.
3. The preparation method according to claim 1, wherein in step S2, the mixed raw materials are stirred at a speed of 400r/min for 30min using a mechanical stirring device.
4. The preparation method according to claim 1, wherein in step S3, the mixed raw materials are stirred at a speed of 150r/min for 15min and then at a speed of 400r/min for 25min using a mechanical stirring device.
5. The method according to claim 1, wherein in step S3, the solid content of the liquid sodium silicate is 35% and the sodium silicate modulus is 3.3; for solid sodium silicate, its sodium silicate modulus is 1.
6. The preparation method according to claim 1, wherein in step S4, the mixed raw materials are stirred at a speed of 100r/min for 10min, then at a speed of 250r/min for 20min, and finally at a speed of 400r/min for 20min using a mechanical stirring device.
7. The preparation method according to claim 1, wherein in step S5, the mixed raw materials are stirred at a speed of 100r/min for 5min, then at a speed of 200r/min for 10min, then at a speed of 300r/min for 10min, and finally at a speed of 400r/min for 20min using a mechanical stirring device.
8. The preparation method according to claim 1, wherein in step S6, the mixed raw materials are stirred at a speed of 300r/min for 30min using a mechanical stirring device.
9. The method according to claim 1, wherein the organic solvent used in step S7 is one or more of acetone, methanol, ethanol, xylene and toluene.
10. The fireproof and explosion-proof plate with the fireproof coating comprises a stainless steel panel, an inorganic fireproof plate, a middle keel, an aluminum carbonate fiber blanket and an explosion-proof plate, and is characterized in that the fireproof coating prepared by the preparation method of any one of claims 1-9 is arranged on the surfaces of the stainless steel panel, the inorganic fireproof plate and the aluminum carbonate fiber blanket.
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