CN112876947B - Expansion type coating for steel structure - Google Patents

Expansion type coating for steel structure Download PDF

Info

Publication number
CN112876947B
CN112876947B CN202110161779.5A CN202110161779A CN112876947B CN 112876947 B CN112876947 B CN 112876947B CN 202110161779 A CN202110161779 A CN 202110161779A CN 112876947 B CN112876947 B CN 112876947B
Authority
CN
China
Prior art keywords
flame retardant
coating
steel structure
organic modified
ldhs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110161779.5A
Other languages
Chinese (zh)
Other versions
CN112876947A (en
Inventor
何世家
唐胜利
张泽江
葛欣国
钟波
黄浩
张天昊
曹怡
孟志
张正卿
张帆
金素艳
王屹韬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Fire Research Institute of Emergency Management Department
Original Assignee
Sichuan Fire Research Institute of Emergency Management Department
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Fire Research Institute of Emergency Management Department filed Critical Sichuan Fire Research Institute of Emergency Management Department
Priority to CN202110161779.5A priority Critical patent/CN112876947B/en
Publication of CN112876947A publication Critical patent/CN112876947A/en
Application granted granted Critical
Publication of CN112876947B publication Critical patent/CN112876947B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C09D5/185—Intumescent 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
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • 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
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • 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)

Abstract

The invention discloses an intumescent coating for a steel structure, which comprises epoxy resin, borosilicate resin, a carbonizing agent, a foaming agent, a curing agent, a dehydration catalyst, an organic modified flame retardant and modified silicon carbide whiskers. Wherein the organic modified flame retardant is phosphorus-nitrogen compound modified LDHs. In the invention, in the heating process, the crystal water in the LDHs in the organic modified flame retardant in the coating and the hydroxyl on the laminate absorb a large amount of heat in the thermal decomposition (below 200 ℃) process and release a large amount of water vapor at the same time, so that the temperature of the expansion coating is reduced, and the concentrations of combustible gas and combustion improver are reduced. Along with the combustion, part of the organic modified flame retardant moves to the outside of the foamy carbon layer along with the formation of the foamy carbon layer of the foaming agent, and the metal oxide layer formed by magnesium oxide and aluminum oxide of the organic modified flame retardant at high temperature can isolate heat transfer to the foamy carbon layer, so that the protection of an internal steel structure is realized.

Description

Expansion type coating for steel structure
Technical Field
The invention relates to the field of coatings, in particular to an expansion type coating for a steel structure.
Background
With the continuous improvement and development of building technology, various types of buildings are produced. Steel is used as a structural material which is dominant in buildings, and has the characteristics of high strength, good ductility, light dead weight, good plasticity and toughness and the like, so that the steel is widely applied to high-rise, large-span and complex-body structures, particularly skyscraper gymnasiums, operas and the like around the world. However, as the research on steel progresses, the disadvantages of the steel structure under fire conditions are more and more significant. At high temperature, the yield strength, the tensile strength and the elastic modulus of the steel structure are reduced, the strength and the rigidity are rapidly deteriorated, and particularly, at 450-650 ℃, the steel column can be bent to generate larger deformation and reduce the stability of the steel structure, so that new danger is brought to lives and properties of people.
The fireproof coating is a flame-retardant material coated on the surface of a steel structure, and the deformation of the steel structure is effectively prevented by reducing the heat conductivity coefficient or improving the thermal resistance. The expansion coating can form an expansion layer on the surface of a steel structure in the heating process, and the expansion layer finally forms a thermal barrier of a carbon coke layer along with the temperature rise in the combustion process, so that the external heat is isolated, and the stability reduction of the internal steel structure at high temperature is avoided.
However, in the actual process, the formed coke layer loses cohesion at high temperature along with the rise of the combustion temperature, so that the coke layer is cracked, and the protection of a steel structure is lost.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides an intumescent coating for steel structures, which has excellent flame retardant property.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the intumescent coating for the steel structure comprises the following components in parts by weight:
Figure BDA0002935690560000021
preferably, the intumescent coating also comprises 2-5 parts by weight of an antifoaming agent.
Preferably, the borosilicate resin has a weight average molecular weight of 3800-4500.
Preferably, the epoxy resin is bisphenol a epoxy resin and/or novolac epoxy resin; the curing agent is bismaleimide and n-butyl titanate, and the mass ratio of the bismaleimide to the n-butyl titanate is 2: 1-3: 1.
Preferably, the modified silicon carbide whisker is prepared by coating a layer of silane coupling agent KH560 on the surface of the silicon carbide whisker.
Preferably, the organic modified flame retardant is formed by coating the surface of LDHs with a structure
Figure BDA0002935690560000022
The phosphorus-nitrogen compound of (1); wherein the laminate of LDHs contains Mg2+And Al3+。
Preferably, the charring agent is one or more of pentaerythritol, glycerol, trimethylolmethane and diethylene glycol.
Preferably, the foaming agent is one or more of ammonium polyphosphate, melamine phosphate and melamine.
Preferably, the dehydration catalyst is one or more of guanylurea phosphate, ammonium polyphosphate, melamine pyrophosphate and ammonium dihydrogen phosphate.
Compared with the prior art, the invention has the following beneficial effects:
1. firstly, because the interlayer of LDHs in the organic modified flame retardant contains crystal water, the laminated plate is connected with hydroxyl; therefore, in the combustion process, the expansion type coating coated on the surface of the steel structure is firstly subjected to thermal decomposition (below 200 ℃) by the crystalline water in the LDHs and the hydroxyl on the laminate in the heating process, and can absorb a large amount of heat and release a large amount of water vapor simultaneously when being subjected to thermal decomposition, so that the temperature of the surface of the expansion type coating can be reduced; on the other hand, the formed water vapor can also reduce the concentration of combustible gas (combustible substances decomposed in the heating process of the epoxy resin in the intumescent coating) and combustion improver (air), so as to avoid the continuation of the combustion reaction.
Secondly, as the burning progresses, the surface temperature of the coating rises, the foaming agent forms a foam carbon layer under the action of a dehydration catalyst, and part of the organic modified flame retardant migrates to the outside of the foam carbon layer along with the formation of the foam carbon layer of the foaming agent. The formed foam carbon layer isolates external heat, combustion improver (air) and combustible gas (combustible substances) from penetrating through the foam carbon layer to reach the coating layer which is not combusted inside, so that the protection of an internal steel structure is realized. The organic modified flame retardant which is transferred to the outside of the foam carbon layer is further decomposed to form a metal oxidation layer consisting of high-temperature-resistant magnesium oxide and aluminum oxide under the action of high temperature along with the increase of the temperature of the surface of the intumescent coating, and the metal oxidation layer forms a protective layer on the surface of the foam carbon layer, so that the heat is prevented from being transferred to the foam carbon layer, the foam carbon layer is prevented from cracking in a high-temperature environment, and the steel structure is protected; meanwhile, organic matters (such as epoxy resin) in the coating in the foam carbon layer are prevented from being decomposed by heating.
Therefore, the organic modified flame retardant and the foam carbon layer formed by the foaming agent firstly form a synergistic flame retardant effect in different temperature ranges; secondly, the synergistic effect occurs again from the structure in the later high-temperature environment, thereby enhancing the fire resistance of the expansion type coating and realizing the protection of the steel structure.
2. Along with the rise of the surface temperature of the coating, the phosphorus-nitrogen compound in the organic modified flame retardant (phosphorus-nitrogen compound modified LDHs) can be heated to decompose a small molecular phosphorus compound (such as PO), and the small molecular phosphorus compound can capture hydroxyl radicals and hydrogen radicals generated in the combustion process, so that the initiation of a combustion chain reaction can be inhibited, a physical and chemical synergistic flame retardant effect can be formed with a foam carbon layer and a metal oxide, and the flame retardant property of the intumescent coating is improved.
3. The modified silicon carbide whiskers are uniformly dispersed in the intumescent coating and dispersed in the foam carbon layer along with the formation of the foam carbon layer by adding the modified silicon carbide whiskers. Along with the rising of combustion temperature, the charcoal coke layer that the foam charcoal layer formed can lose the cohesion under high temperature and lead to the charcoal coke layer fracture, and the carborundum whisker of adding can form the pulling force between the charcoal coke layer to avoid the problem of charcoal coke layer fracture, further solved the problem that the charcoal coke layer fracture arouses that inside steel construction is heated and leads to the reduction of steel construction stability.
Therefore, the invention provides double protection for the carbon coke layer formed by the foam carbon layer from the mechanical angle (modified silicon carbide whisker) and the thermal insulation angle (metal oxide), thereby improving the stability of the carbon coke layer at high temperature.
4. In the invention, the silicon carbide whisker and the flame retardant are modified, thereby improving the dispersibility of the silicon carbide whisker and the LDHs in the intumescent coating and avoiding the agglomeration of the silicon carbide whisker and the LDHs in the coating. In addition, the borosilicate resin is added into the coating, so that the heat resistance of the expansion type coating is improved.
Detailed Description
1. Preparation of borosilicate resin:
the preparation method of the borosilicate resin comprises the following steps:
step 1, mixing phenyltriethoxysilane and dimethyldiethoxysilane according to a mass molar ratio of 1:1 to obtain a mixed silane monomer, and then mixing the mixed silane monomer and boric acid according to a mass molar ratio of 2:1 to give a mixture 1.
And 2, adding 100ml of absolute ethyl alcohol into the mixture 1 for mixing on the basis of the step 1, then sequentially adding hydrochloric acid with the molar concentration of 1mol/L and deionized water on the basis of mixing the mixture 1 and the absolute ethyl alcohol, and finally hydrolyzing for 3 hours at 60 ℃. Wherein, the volume of the hydrochloric acid is 5 percent of that of the mixed silane monomer, and the deionized water is 60 percent of that required by the complete hydrolysis of the mixed silane monomer.
And 3, continuously heating to 130 ℃ on the basis of the step 2, carrying out polycondensation for 2h under the condition of 0.06MPa, and cooling after finishing the polycondensation to obtain the borosilicate resin disclosed by the invention.
The borosilicate resins in the following examples were all prepared using this method.
2. Preparing an organic modified flame retardant:
step 1, adding 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and isopropyltriethoxysilane in a mass ratio of 1:1 and dichloromethane into a nitrogen protection reactor, and reacting at normal temperature for 12h to obtain a phosphorus nitride product with a structure of
Figure BDA0002935690560000051
And 2, dispersing LDHs, isopropyltriethoxysilane isocyanate and phosphorus-nitrogen compound in tetrahydrofuran, adding a catalyst n-butyltin dilaurate, heating to 65 ℃ under the protection of nitrogen, stirring for reaction for 12 hours, adjusting the pH to 9-10 by ammonia water, and continuing the reaction for 2-3 hours to obtain the organic modified flame retardant.
The organically modified flame retardants in the following examples were all prepared using this method.
3. Preparing modified silicon carbide whiskers:
and ultrasonically dispersing the silicon carbide whiskers into a silane coupling agent KH560, and then filtering and drying to obtain the modified silicon carbide whiskers.
The modified silicon carbide whiskers in the following examples were all prepared by this method.
4、LDHs；
The LDHs are named as hydrotalcite intercalation material in Chinese, and the metal ions on the LDHs laminate are Mg2+And Al3+The intercalation anion between the layers is CO3 2-。
The LDHs in the organic modified flame retardant in the following examples are all of this structure.
Example (b):
the technical solution of the present invention will be further clearly and completely described with reference to the following examples, wherein the raw materials used in the examples of the present invention are all commercially available.
Example 1
The intumescent coating for the steel structure comprises the following components in parts by weight:
Figure BDA0002935690560000061
wherein, the dehydration catalyst in the embodiment consists of guanylurea phosphate, ammonium polyphosphate and melamine pyrophosphate; wherein the mass ratio of guanylurea phosphate to ammonium polyphosphate to melamine pyrophosphate is 2:1: 1.
Dimethyl silicone oil is selected as the defoaming agent in the embodiment.
Example 2
The intumescent coating for the steel structure comprises the following components in parts by weight:
Figure BDA0002935690560000062
Figure BDA0002935690560000071
wherein, the dehydration catalyst in the embodiment consists of guanylurea phosphate, ammonium polyphosphate and melamine pyrophosphate; wherein the mass ratio of guanylurea phosphate to ammonium polyphosphate to melamine pyrophosphate is 2:1: 1.
Dimethyl silicone oil is selected as the defoaming agent in the embodiment.
Example 3
The intumescent coating for the steel structure comprises the following components in parts by weight:
Figure BDA0002935690560000072
wherein, the dehydration catalyst in the embodiment consists of guanylurea phosphate, ammonium polyphosphate and melamine pyrophosphate; wherein the mass ratio of guanylurea phosphate to ammonium polyphosphate to melamine pyrophosphate is 2:1: 1.
Dimethyl silicone oil is selected as the defoaming agent in the embodiment.
Example 4
The intumescent coating for the steel structure comprises the following components in parts by weight:
Figure BDA0002935690560000073
Figure BDA0002935690560000081
wherein, the dehydration catalyst in the embodiment is composed of guanylurea phosphate and melamine pyrophosphate; wherein the mass ratio of guanylurea phosphate to melamine pyrophosphate is 1: 1. The carbonizing agent in this example was composed of pentaerythritol, trimethylolmethane, and diethylene glycol in a mass ratio of 0.5:1: 0.2. The foaming agent in the embodiment is composed of ammonium polyphosphate, melamine phosphate and melamine according to a mass ratio of 3:2: 2.
Dimethyl silicone oil is selected as the defoaming agent in the embodiment.
Comparative example 1
The intumescent coating for the steel structure comprises the following components in parts by weight:
Figure BDA0002935690560000082
wherein, the dehydration catalyst in the embodiment consists of guanylurea phosphate, ammonium polyphosphate and melamine pyrophosphate; wherein the mass ratio of guanylurea phosphate to ammonium polyphosphate to melamine pyrophosphate is 2:1: 1.
Dimethyl silicone oil is selected as the defoaming agent in the embodiment.
Comparative example 2
The intumescent coating for the steel structure comprises the following components in parts by weight:
Figure BDA0002935690560000091
wherein, the dehydration catalyst in the embodiment consists of guanylurea phosphate, ammonium polyphosphate and melamine pyrophosphate; wherein the mass ratio of guanylurea phosphate to ammonium polyphosphate to melamine pyrophosphate is 2:1: 1.
Dimethyl silicone oil is selected as the defoaming agent in the embodiment.
Test analysis
The intumescent coatings described in examples 1 to 4 and comparative examples 1 to 2 above were formed into coatings (3mm) and tested for flame retardant properties (limiting oxygen index LOI), fire endurance and bond strength, the results of which are shown in Table 1.
TABLE 1 Performance test results of the above examples 1-4 and comparative examples 1-2
Figure BDA0002935690560000092
Figure BDA0002935690560000101
As can be seen from table 1, the organically modified flame retardant is advantageous for improving the flame retardancy of the intumescent coating. Wherein the organic modified flame retardant is non-combustible gas (such as water vapor and CO) generated by self decomposition2) The flammable gas and the combustion aid (air) are diluted, so that the flame retardant property of the intumescent coating is improved; on the other hand, the organic modified flame retardant forms a metal oxide layer consisting of magnesium oxide and aluminum oxide at high temperature, so that heat can be isolated from being transferred to the foam carbon layer. Thus, as can be seen from Table 1, the Limiting Oxygen Index (LOI) and the fire limit of intumescent coatings with the addition of organically modified flame retardants are both improved. And the modified silicon carbide whiskers added in the intumescent coating avoid the problem of cracking of a carbon coke layer formed by a foam carbon layer at high temperature.
In summary, the present invention solves the technical deficiencies of the prior art. According to the invention, the organic modified flame retardant and the foam carbon layer formed by the foaming agent are added, so that the synergistic flame retardant effect is formed at different temperature ranges; secondly, the organic modified flame retardant attached to the outside of the foam carbon layer in the later-stage high-temperature environment forms a metal oxide layer for protecting the foam carbon layer, and a synergistic flame-retardant effect is formed with the foam carbon layer structurally, so that the problem that an internal steel structure is unstable when heated is avoided, and the protection of the internal steel structure is improved.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The intumescent coating for the steel structure is characterized by comprising the following components in parts by weight:
Figure FDA0003559041940000011
wherein the weight-average molecular weight of the borosilicate resin is 3800-4500, the modified silicon carbide whisker is formed by coating a layer of silane coupling agent KH560 on the surface of the silicon carbide whisker, and the organic modified flame retardant is formed by coating the LDHs with a structure
Figure FDA0003559041940000012
The phosphorus-nitrogen compound of (1); wherein the laminate of LDHs contains Mg2+And Al3+。
2. Intumescent coating for steel structures according to claim 1, characterized in that said epoxy resin is a bisphenol a epoxy resin and/or a novolac epoxy resin; the curing agent is bismaleimide and n-butyl titanate, and the mass ratio of the bismaleimide to the n-butyl titanate is 2: 1-3: 1.
3. Intumescent coating for steel structures according to claim 1, characterized in that the charring agent is one or more of pentaerythritol, glycerol, trimethylolmethane and diethylene glycol.
4. Intumescent coating for steel structures according to claim 1, characterized in that said blowing agent is one or more of ammonium polyphosphate, melamine phosphate and melamine.
5. Intumescent coating for steel structures according to any of claims 1-4, characterized in that the dehydration catalyst is one or more of guanylurea phosphate, ammonium polyphosphate, melamine pyrophosphate, ammonium dihydrogen phosphate.
CN202110161779.5A 2021-02-05 2021-02-05 Expansion type coating for steel structure Active CN112876947B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110161779.5A CN112876947B (en) 2021-02-05 2021-02-05 Expansion type coating for steel structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110161779.5A CN112876947B (en) 2021-02-05 2021-02-05 Expansion type coating for steel structure

Publications (2)

Publication Number Publication Date
CN112876947A CN112876947A (en) 2021-06-01
CN112876947B true CN112876947B (en) 2022-05-17

Family

ID=76055795

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110161779.5A Active CN112876947B (en) 2021-02-05 2021-02-05 Expansion type coating for steel structure

Country Status (1)

Country Link
CN (1) CN112876947B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113389127A (en) * 2021-06-11 2021-09-14 江苏东南结构防灾工程有限公司 Heavy-duty anticorrosion thermal barrier system for steel bridge fused deposition composite material
CN114479524B (en) * 2022-01-06 2022-09-02 武汉理工大学 Steel structure thick-coating type potassium-based geopolymer fireproof coating and preparation method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101671567B (en) * 2009-09-27 2012-11-07 中国科学技术大学 Moisture cured phosphorus-containing flame-retardant material and preparation method thereof
CN102702962B (en) * 2012-06-14 2016-12-07 天长市银狐漆业有限公司 Expanding fire-proof paint
CN107446466A (en) * 2017-09-29 2017-12-08 福建万安实业集团有限公司 A kind of thermostable heat-conductive coating
CN107652850A (en) * 2017-10-30 2018-02-02 汪涛 A kind of water-repellent paint of heat-insulating flame-retardant
CN109251358B (en) * 2018-08-06 2020-06-09 厦门大学 Polyacid intercalation surface covalent modified layered double hydroxide flame retardant and preparation method thereof
CN110483577A (en) * 2019-08-26 2019-11-22 兰州理工大学 A kind of P, N, Si ternary hybrid fire retardant and preparation method
CN110760244A (en) * 2019-11-20 2020-02-07 应急管理部四川消防研究所 Epoxy steel structure fireproof coating

Also Published As

Publication number Publication date
CN112876947A (en) 2021-06-01

Similar Documents

Publication Publication Date Title
CN112876947B (en) Expansion type coating for steel structure
CN112961528B (en) Environment-friendly fireproof coating and preparation method thereof
CN111303636B (en) Low-heat-conductivity flame-retardant fireproof silicone rubber composite material and preparation method thereof
CN102453332B (en) Environment-friendly flame retardant asphalt and preparation method thereof
TWI504734B (en) Flame retardant composite material, plate and coating
CN1876740A (en) Solvent-free expansion type fire-proof epoxy coating and its preparation method
CN112320807B (en) Modified silica sol, fireproof liquid, composite fireproof glass and preparation method and application thereof
Chen et al. Epoxy-modified silicone resin based N/P/Si synergistic flame-retardant coating for wood surface
CN112048157A (en) Preparation method of flame-retardant epoxy resin composite material
CN113667277B (en) Low-heat-release, low-smoke and high-flame-retardance epoxy resin material and preparation method thereof
CN109912804B (en) Preparation method of phosphorus-nitrogen modified lignin-based intumescent flame retardant
CN115093770B (en) High-strength and high-toughness durable two-component intumescent fireproof coating and preparation method thereof
CN112662012B (en) Organosilicone-modified phytate-coupled ammonium polyphosphate and fireproof coating prepared from organosilicone-modified phytate-coupled ammonium polyphosphate
CN109824942B (en) Preparation and application of organic-inorganic hybrid material composite flame retardant
CN108504100A (en) A kind of flame-retardant expanded silastic material
CN114591557B (en) Flame-retardant low-density polyethylene composite material and preparation method thereof
CN110256879B (en) Environment-friendly water-based inorganic flame-retardant coating
CN105038243A (en) Flame retardant based on organic silicon resin
CN115160638A (en) Rigid polyurethane foam containing boron-silicon composite flame-retardant smoke-suppression coating and preparation method thereof
CN110903546B (en) Flame-retardant high polymer material and preparation method and application thereof
CN105175775B (en) A kind of preparation method of POSS material and alundum (Al2O3) composite flame-proof material
Lu et al. Combustion behavior, mechanical performance and application for vinyl acetate–ethylene copolymer emulsion containing melamine amino trimethyl phosphate and sodium lignosulfonate
CN112647307A (en) Elastic expansion heat absorption type fireproof coating and preparation method thereof, and alumina-based fiber fireproof blanket and preparation method thereof
CN112898850A (en) Modified intumescent steel structure fireproof coating for outdoor steel structure and preparation method thereof
CN115558324B (en) Flame retardant and preparation method thereof, and fireproof coating and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant