CN105670356A - Fireproof waterborne coating for steel structures - Google Patents

Fireproof waterborne coating for steel structures Download PDF

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Publication number
CN105670356A
CN105670356A CN201610181266.XA CN201610181266A CN105670356A CN 105670356 A CN105670356 A CN 105670356A CN 201610181266 A CN201610181266 A CN 201610181266A CN 105670356 A CN105670356 A CN 105670356A
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steel structure
fireproof coating
nipa
bentonite
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徐洁
张文海
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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
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • 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
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • 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
    • C08K9/00—Use of pretreated ingredients
    • 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
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

A fireproof waterborne coating for steel structures is prepared from, by weight, 24-28 parts of acrylic elastic emulsion, 10-12 parts of thermoplastic acrylic resin, 8-10 parts of fluorine-silicon resin, 4-6 parts of hexamethylene diisocyanate, 9-12 parts of melamine, 6-7 parts of dicyandiamide, 4-5 parts of poly(N-isopropylmethacylamide) modified magnesium hydroxide, 4-6 parts of lead chloride, 4-5 parts of glass flake, 3-4 parts of sodium silicate, 10-12 parts of light calcium carbonate, 5-7 parts of styrene, 2-3 parts of bentonite, 3-5 parts of expansible graphite, 2-3 parts of polyvinyl alcohol and 80-100 parts of deionized water.

Description

A kind of steel structure aqueous fireproof coating
Technical field
The present invention relates to coating and preparation technology thereof, be specifically related to a kind of steel structure aqueous fireproof coating.
Background technology
Along with progress and the social development of mankind's science and technology, and the life requirement that people are new, various New Building Materials just progressively substitute traditional building material, are applied to all kinds of novel large architectural. Compare the building system of masonry and concrete material, steel structure system has intensity height, from heavy and light, stable performance, good toughness, installation easily, construction period end, anti-seismic performance are good, gain quick return in investment, the comprehensive advantage such as low in the pollution of the environment and be suitable for batch production so that iron and steel has become Optimum Building structural material.
The same with other buildings, steel building also has the potential safety hazard that fire brings. Owing to although steel will not burn, but its mechanical strength can be gradually lowered in the process that temperature raises, when the temperature of Steel material is increased to certain value, steel can lose enabling capabilities, thus the fire resistance of steel building is more far short of what is expected than masonry structure and reinforced concrete structure. It is typically in temperature when reaching more than 300 DEG C; the mechanical strength of common building steel is gradually lowered; steel construction generally will lose bearing capacity in 450～650 DEG C of temperature, very big deformation occurs, cause that steel column, girder steel bend; result can not be continuing with because of excessive deformation, and the fire endurance of the steel construction being generally not added with protection is about 15 minutes. Therefore some steel are also required to it is done flameproof protection. Conventional method is to be coated with one layer of fireproof coating at steel surface.
Fire-resistant coating for steel structure is for steel structure surface, can reduce the combustibility of steel structure surface, block spreading rapidly of fire, in order to improve a kind of sapecial coating of Steel Fire Resistance Rating.
Fireproofing paint for steel structure of the prior art is an emphasis fire protecting performance index often, and the Shortcomings such as environmental-protecting performance, weatherability.
Summary of the invention
It is an object of the invention to the deficiency overcoming above-mentioned prior art to exist, it is provided that a kind of flame retardant effect excellence, environmental friendliness, good weatherability steel structure aqueous fireproof coating.
The above-mentioned purpose of the present invention is realized by following technical proposals:
A kind of steel structure aqueous fireproof coating, including the raw material of following parts by weight: acrylic elastic emulsion 24-28 part; Thermoplastic acrylic resin 10-12 part; Fluorine silicon resin 8-10 part; Hexamethylene diisocyanate 4-6 part; Tripolycyanamide 9-12 part; Dicyandiamide 6-7 part; NIPA modified magnesium hydroxide 4-5 part;Lead chloride 4-6 part; Glass flake 4-5 part; Sodium silicate 3-4 part; Precipitated calcium carbonate 10-12 part; Styrene 5-7 part; Bentonite 2-3 part; Expansible graphite 3-5 part; Polyvinyl alcohol 2-3 part; Deionized water 80-100 part.
Further, including the raw material of following parts by weight: acrylic elastic emulsion 24 parts; Thermoplastic acrylic resin 12 parts; Fluorine silicon resin 8 parts; Hexamethylene diisocyanate 5 parts; Tripolycyanamide 12 parts; Dicyandiamide 7 parts; NIPA modified magnesium hydroxide 4 parts; Lead chloride 6 parts; Glass flake 4 parts; Sodium silicate 3 parts; Precipitated calcium carbonate 12 parts; Styrene 6 parts; Bentonite 3 parts; Expansible graphite 4 parts; Polyvinyl alcohol 2 parts; Deionized water 80 parts.
Further, including the raw material of following parts by weight: acrylic elastic emulsion 28 parts; Thermoplastic acrylic resin 10 parts; Fluorine silicon resin 9 parts; Hexamethylene diisocyanate 6 parts; Tripolycyanamide 11 parts; Dicyandiamide 7 parts; NIPA modified magnesium hydroxide 5 parts; Lead chloride 5 parts; Glass flake 5 parts; Sodium silicate 3 parts; Precipitated calcium carbonate 11 parts; Styrene 7 parts; Bentonite 3 parts; Expansible graphite 5 parts; Polyvinyl alcohol 3 parts; Deionized water 100 parts.
Further, including the raw material of following parts by weight: acrylic elastic emulsion 28 parts; Thermoplastic acrylic resin 10 parts; Fluorine silicon resin 9 parts; Hexamethylene diisocyanate 6 parts; Tripolycyanamide 11 parts; Dicyandiamide 7 parts; NIPA modified magnesium hydroxide 5 parts; Lead chloride 5 parts; Glass flake 5 parts; Sodium silicate 3 parts; Precipitated calcium carbonate 11 parts; Styrene 7 parts; Bentonite 3 parts; Expansible graphite 5 parts; Polyvinyl alcohol 3 parts; Deionized water 100 parts.
Further, described thermoplastic acrylic resin be with the mass ratio of methyl methacrylate, ethyl methacrylate, butyl methacrylate and methacrylic acid be 2:2:2:1 mixture for raw material, it is added in reaction dissolvent, in nitrogen atmosphere at 130 DEG C, that stirs is simultaneously added dropwise initiator, after dropwising, insulation backflow 2h, then at the uniform velocity lowers the temperature, obtains thermoplastic acrylic resin.
Further, the particle diameter of described NIPA modified magnesium hydroxide is 20-40 μm.
Further, described expansible graphite particle diameter 10-30 order.
Further, described bentonite selects 801 bentonite.
Further, in described NIPA modified magnesium hydroxide, the molecular weight of modifying agent NIPA is 10000g/mol.
The steel structure aqueous fireproof coating of the present invention has good mechanical physicochemical property, all it is improved significantly than comparative example 1 and other existing fireproof coatings at aspect of performances such as fire resistance period, freeze-thawing resistant cyclicity, resistance to sudden high fever, resistance to acids and basess, flame retardant effect is excellent, good weatherability. The appropriate cooperation of this multiple fire-resistant composition of fireproof coating collection; sustainable performance flameproof protection effect; increase the flame retardant effect of coating and extend effectively preventing fires the time of coating; coating can form the fine and close spongy expanded foam layer with good heat-proof quality when meeting fire; can better protecting steel construction, environment-protecting asepsis, simple process, cost are low, be suitable for industrialized production.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with embodiment, technical scheme is clearly and completely described. Obviously, described embodiment is the part of the present invention, rather than whole embodiments.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under the premise without creative work, broadly fall into the scope of protection of the invention.
Embodiment 1:
A kind of steel structure aqueous fireproof coating, including the raw material of following parts by weight:
Acrylic elastic emulsion 24 parts;
Thermoplastic acrylic resin 12 parts;
Fluorine silicon resin 8 parts;
Hexamethylene diisocyanate 5 parts;
Tripolycyanamide 12 parts;
Dicyandiamide 7 parts;
NIPA modified magnesium hydroxide 4 parts;
Lead chloride 6 parts;
Glass flake 4 parts;
Sodium silicate 3 parts;
Precipitated calcium carbonate 12 parts;
Styrene 6 parts;
Bentonite 3 parts;
Expansible graphite 4 parts;
Polyvinyl alcohol 2 parts;
Deionized water 80 parts.
Described thermoplastic acrylic resin be with the mass ratio of methyl methacrylate, ethyl methacrylate, butyl methacrylate and methacrylic acid be 2:2:2:1 mixture for raw material, it is added in reaction dissolvent, in nitrogen atmosphere at 130 DEG C, that stirs is simultaneously added dropwise initiator, insulation backflow 2h after dropwising, then at the uniform velocity lower the temperature, obtain thermoplastic acrylic resin.
Preferably, the particle diameter of described NIPA modified magnesium hydroxide is 20-40 μm. Described expansible graphite particle diameter 10-30 order.
Preferably, described bentonite selects 801 bentonite.
Further, in described NIPA modified magnesium hydroxide, the molecular weight of modifying agent NIPA is 10000g/mol.
The steel structure aqueous fireproof coating of the present invention, is prepared in following manner:
(1) preparation of thermoplastic acrylic resin: with mass ratio 2:2:2:1 mixed methyl acrylic acid methyl ester., ethyl methacrylate, butyl methacrylate and metering system acid starting material, feed the mixture in reaction dissolvent, in nitrogen atmosphere at 130 DEG C, that stirs is simultaneously added dropwise initiator, mixing speed 120r/min, after dropwising, insulation backflow 2h, then at the uniform velocity lowers the temperature, obtains thermoplastic acrylic resin.
(2) according to above-mentioned parts by weight, deionized water, thermoplastic acrylic resin, fluorine silicon resin, hexamethylene diisocyanate, sodium silicate are added mixing in reactor, heat to 75 DEG C, rotating speed 200 revs/min, stir 40 minutes, form emulsion; Add polyvinyl alcohol tripolycyanamide, dicyandiamide stirs, mixing speed 350r/min, mixing time 40 minutes, reduces temperature subsequently at 40 DEG C, adds expansible graphite and continues stirring 20 minutes;
(3) being subsequently adding other raw material remaining, heating, to 60 DEG C, is stirred 75 minutes, mixing speed 350r/min under the rotating speed of 350 revs/min, filters, obtains steel structure aqueous fireproof coating.
Prepared steel structure aqueous fireproof coating is carried out the test result of performance in Table 1:
Detection project Coating layer thickness 1.45mm Coating layer thickness 3.1mm
Surface drying time/h 2.6 3.1
Outward appearance After drying, product colour is without significant difference After drying, product colour is without significant difference
Initial dry cracking resistance Nothing Nothing
Freeze-thawing resistant cyclicity/time 39 times without ftractureing, coming off and bubble 32 times without ftractureing, coming off and bubble
Pencil hardness 5H 5H
Resistance to sudden high fever/h 1320h coating occurs without obvious phenomenon 1185h coating occurs without obvious phenomenon
Acid resistance/h 627h coating occurs without obvious phenomenon 589h coating occurs without obvious phenomenon
Alkali resistance/h 676h coating occurs without obvious phenomenon 610h coating occurs without obvious phenomenon
Fire resistance period/min 270 248
Resistance to impact/cm 52 50
Adhesive force/level 1 2
Embodiment 2:
A kind of steel structure aqueous fireproof coating, including the raw material of following parts by weight:
Acrylic elastic emulsion 26 parts;
Thermoplastic acrylic resin 10 parts;
Fluorine silicon resin 10 parts;
Hexamethylene diisocyanate 4 parts;
Tripolycyanamide 9 parts;
Dicyandiamide 6 parts;
NIPA modified magnesium hydroxide 5 parts;
Lead chloride 4 parts;
Glass flake 4 parts;
Sodium silicate 4 parts;
Precipitated calcium carbonate 10 parts;
Styrene 5 parts;
Bentonite 2 parts;
Expansible graphite 3 parts;
Polyvinyl alcohol 2 parts;
Deionized water 90 parts.
Described thermoplastic acrylic resin be with the mass ratio of methyl methacrylate, ethyl methacrylate, butyl methacrylate and methacrylic acid be 2:2:2:1 mixture for raw material, it is added in reaction dissolvent, in nitrogen atmosphere at 130 DEG C, that stirs is simultaneously added dropwise initiator, insulation backflow 2h after dropwising, then at the uniform velocity lower the temperature, obtain thermoplastic acrylic resin.
Preferably, the particle diameter of described NIPA modified magnesium hydroxide is 20-40 μm. Described expansible graphite particle diameter 10-30 order.
Preferably, described bentonite selects 801 bentonite.
Further, in described NIPA modified magnesium hydroxide, the molecular weight of modifying agent NIPA is 10000g/mol.
The steel structure aqueous fireproof coating of the present invention, is prepared in following manner:
(1) preparation of thermoplastic acrylic resin: with mass ratio 2:2:2:1 mixed methyl acrylic acid methyl ester., ethyl methacrylate, butyl methacrylate and metering system acid starting material, feed the mixture in reaction dissolvent, in nitrogen atmosphere at 130 DEG C, that stirs is simultaneously added dropwise initiator, mixing speed 150r/min, after dropwising, insulation backflow 2h, then at the uniform velocity lowers the temperature, obtains thermoplastic acrylic resin.
(2) according to above-mentioned parts by weight, deionized water, thermoplastic acrylic resin, fluorine silicon resin, hexamethylene diisocyanate, sodium silicate are added mixing in reactor, heat to 75～80 DEG C, rotating speed 150 revs/min, stir 40 minutes, form emulsion; Add polyvinyl alcohol tripolycyanamide, dicyandiamide stirs, mixing speed 350r/min, mixing time 30 minutes, reduces temperature subsequently at 40 DEG C, adds expansible graphite and continues stirring 30 minutes;
(3) being subsequently adding other raw material remaining, heating, to 60 DEG C, is stirred 75 minutes, mixing speed 350r/min under the rotating speed of 350 revs/min, filters, obtains steel structure aqueous fireproof coating.
Prepared steel structure aqueous fireproof coating is carried out the test result of performance in Table 2:
Detection project Coating layer thickness 1.45mm Coating layer thickness 3.1mm
Surface drying time/h 2.5 3.1
Outward appearance After drying, product colour is without significant difference After drying, product colour is without significant difference
Initial dry cracking resistance Nothing Nothing
Freeze-thawing resistant cyclicity/time 41 times without ftractureing, coming off and bubble 33 times without ftractureing, coming off and bubble
Pencil hardness 5H 5H
Resistance to sudden high fever/h 1345h coating occurs without obvious phenomenon 1191h coating occurs without obvious phenomenon
Acid resistance/h 635h coating occurs without obvious phenomenon 587h coating occurs without obvious phenomenon
Alkali resistance/h 669h coating occurs without obvious phenomenon 605h coating occurs without obvious phenomenon
Fire resistance period/min 274 252
Resistance to impact/cm 53 51
Adhesive force/level 1 2
Embodiment 3:
A kind of steel structure aqueous fireproof coating, including the raw material of following parts by weight:
Acrylic elastic emulsion 28 parts;
Thermoplastic acrylic resin 10 parts;
Fluorine silicon resin 9 parts;
Hexamethylene diisocyanate 6 parts;
Tripolycyanamide 11 parts;
Dicyandiamide 7 parts;
NIPA modified magnesium hydroxide 5 parts;
Lead chloride 5 parts;
Glass flake 5 parts;
Sodium silicate 3 parts;
Precipitated calcium carbonate 11 parts;
Styrene 7 parts;
Bentonite 3 parts;
Expansible graphite 5 parts;
Polyvinyl alcohol 3 parts;
Deionized water 100 parts.
Described thermoplastic acrylic resin be with the mass ratio of methyl methacrylate, ethyl methacrylate, butyl methacrylate and methacrylic acid be 2:2:2:1 mixture for raw material, it is added in reaction dissolvent, in nitrogen atmosphere at 130 DEG C, that stirs is simultaneously added dropwise initiator, insulation backflow 2h after dropwising, then at the uniform velocity lower the temperature, obtain thermoplastic acrylic resin.
Preferably, the particle diameter of described NIPA modified magnesium hydroxide is 20-40 μm. Described expansible graphite particle diameter 10-30 order.
Preferably, described bentonite selects 801 bentonite.
Further, in described NIPA modified magnesium hydroxide, the molecular weight of modifying agent NIPA is 10000g/mol.
The steel structure aqueous fireproof coating of the present invention, is prepared in following manner:
(1) preparation of thermoplastic acrylic resin: with mass ratio 2:2:2:1 mixed methyl acrylic acid methyl ester., ethyl methacrylate, butyl methacrylate and metering system acid starting material, feed the mixture in reaction dissolvent, in nitrogen atmosphere at 130 DEG C, that stirs is simultaneously added dropwise initiator, mixing speed 130r/min, after dropwising, insulation backflow 2h, then at the uniform velocity lowers the temperature, obtains thermoplastic acrylic resin.
(2) according to above-mentioned parts by weight, deionized water, thermoplastic acrylic resin, fluorine silicon resin, hexamethylene diisocyanate, sodium silicate are added mixing in reactor, heat to 80 DEG C, rotating speed 180 revs/min, stir 45 minutes, form emulsion; Add polyvinyl alcohol tripolycyanamide, dicyandiamide stirs, mixing speed 350r/min, mixing time 35 minutes, reduces temperature subsequently at 45 DEG C, adds expansible graphite and continues stirring 25 minutes;
(3) being subsequently adding other raw material remaining, heating, to 60 DEG C, is stirred 75 minutes, mixing speed 350r/min under the rotating speed of 350 revs/min, filters, obtains steel structure aqueous fireproof coating.
Prepared steel structure aqueous fireproof coating is carried out the test result of performance in Table 3:
Comparative example 1:
The steel structure aqueous fireproof coating of one of Shenyang production of units, weighs raw material according to following parts by weight:
By the water weighed up, auxiliary agent, antisettling agent, Pulvis Talci, ground calcium carbonate and titanium dioxide, mix and disperse 1h, preparation fire prevention slurry; By the acrylic elastic emulsion weighed up, polyphosphoric acid amine, tripolycyanamide and season four amylalcohol join fire prevention slurry in, mix and disperse 1h, preparing into steel structure aqueous fireproof coating.
In the present embodiment, antisettling agent is: bentonite, and auxiliary agent is: Musa basjoo Sieb. Et Zucc. branch stem quintessence oil, and Pulvis Talci is 1250 orders, and ground calcium carbonate is 1250 orders, and titanium dioxide is golden red stone step.
Prepared steel structure aqueous fireproof coating is carried out the test result of performance in Table 4:
The test result obtained from table 1-4, the steel structure aqueous fireproof coating of the present invention is all improved significantly than comparative example 1 and other existing fireproof coatings at aspect of performances such as fire resistance period, freeze-thawing resistant cyclicity, resistance to sudden high fever, resistance to acids and basess, improve the combination property of existing steel structure aqueous fireproof coating, be suitable to popularization and application.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit;Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (9)

1. a steel structure aqueous fireproof coating, it is characterised in that include the raw material of following parts by weight: acrylic elastic emulsion 24-28 part; Thermoplastic acrylic resin 10-12 part; Fluorine silicon resin 8-10 part; Hexamethylene diisocyanate 4-6 part; Tripolycyanamide 9-12 part; Dicyandiamide 6-7 part; NIPA modified magnesium hydroxide 4-5 part; Lead chloride 4-6 part; Glass flake 4-5 part; Sodium silicate 3-4 part; Precipitated calcium carbonate 10-12 part; Styrene 5-7 part; Bentonite 2-3 part; Expansible graphite 3-5 part; Polyvinyl alcohol 2-3 part; Deionized water 80-100 part.
2. steel structure aqueous fireproof coating according to claim 1, it is characterised in that include the raw material of following parts by weight: acrylic elastic emulsion 24 parts; Thermoplastic acrylic resin 12 parts; Fluorine silicon resin 8 parts; Hexamethylene diisocyanate 5 parts; Tripolycyanamide 12 parts; Dicyandiamide 7 parts; NIPA modified magnesium hydroxide 4 parts; Lead chloride 6 parts; Glass flake 4 parts; Sodium silicate 3 parts; Precipitated calcium carbonate 12 parts; Styrene 6 parts; Bentonite 3 parts; Expansible graphite 4 parts; Polyvinyl alcohol 2 parts; Deionized water 80 parts.
3. steel structure aqueous fireproof coating according to claim 1, it is characterised in that include the raw material of following parts by weight: acrylic elastic emulsion 28 parts; Thermoplastic acrylic resin 10 parts; Fluorine silicon resin 9 parts; Hexamethylene diisocyanate 6 parts; Tripolycyanamide 11 parts; Dicyandiamide 7 parts; NIPA modified magnesium hydroxide 5 parts; Lead chloride 5 parts; Glass flake 5 parts; Sodium silicate 3 parts; Precipitated calcium carbonate 11 parts; Styrene 7 parts; Bentonite 3 parts; Expansible graphite 5 parts; Polyvinyl alcohol 3 parts; Deionized water 100 parts.
4. steel structure aqueous fireproof coating according to claim 1, it is characterised in that include the raw material of following parts by weight: acrylic elastic emulsion 28 parts; Thermoplastic acrylic resin 10 parts; Fluorine silicon resin 9 parts; Hexamethylene diisocyanate 6 parts; Tripolycyanamide 11 parts; Dicyandiamide 7 parts; NIPA modified magnesium hydroxide 5 parts; Lead chloride 5 parts; Glass flake 5 parts; Sodium silicate 3 parts; Precipitated calcium carbonate 11 parts; Styrene 7 parts; Bentonite 3 parts; Expansible graphite 5 parts; Polyvinyl alcohol 3 parts; Deionized water 100 parts.
5. according to the arbitrary described steel structure aqueous fireproof coating of claim 1-4, it is characterized in that: described thermoplastic acrylic resin be with the mass ratio of methyl methacrylate, ethyl methacrylate, butyl methacrylate and methacrylic acid be 2:2:2:1 mixture for raw material, it is added in reaction dissolvent, in nitrogen atmosphere at 130 DEG C, that stirs is simultaneously added dropwise initiator, after dropwising, insulation backflow 2h, then at the uniform velocity lowers the temperature, obtains thermoplastic acrylic resin.
6. steel structure aqueous fireproof coating according to claim 1, it is characterised in that: the particle diameter of described NIPA modified magnesium hydroxide is 20-40 μm.
7. steel structure aqueous fireproof coating according to claim 1, it is characterised in that: described expansible graphite particle diameter 10-30 order.
8. steel structure aqueous fireproof coating according to claim 1, it is characterised in that: described bentonite selects 801 bentonite.
9. steel structure aqueous fireproof coating according to claim 1, it is characterised in that: in described NIPA modified magnesium hydroxide, the molecular weight of modifying agent NIPA is 10000g/mol.
CN201610181266.XA 2016-03-25 2016-03-25 Fireproof waterborne coating for steel structures Withdrawn CN105670356A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106752538A (en) * 2017-01-11 2017-05-31 合肥英索莱特新材料科技有限公司 Expansion steel-structure fireproofing coating
CN107337377A (en) * 2017-07-10 2017-11-10 无为县华标新型墙体材料有限公司 A kind of gypsum wall special-purpose water-proof agent
CN108222403A (en) * 2018-03-13 2018-06-29 昆山市聚光装饰材料有限公司 Compound wallpaper and preparation method thereof
CN108411711A (en) * 2018-03-13 2018-08-17 昆山市聚光装饰材料有限公司 Anti-scratch wallpaper of radiation protection and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105038463A (en) * 2015-09-07 2015-11-11 章俊 Fireproof building coating
CN105038573A (en) * 2015-08-26 2015-11-11 太仓市金新涂料有限公司 Fire-resistant paint

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* Cited by examiner, † Cited by third party
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CN106752538A (en) * 2017-01-11 2017-05-31 合肥英索莱特新材料科技有限公司 Expansion steel-structure fireproofing coating
CN107337377A (en) * 2017-07-10 2017-11-10 无为县华标新型墙体材料有限公司 A kind of gypsum wall special-purpose water-proof agent
CN108222403A (en) * 2018-03-13 2018-06-29 昆山市聚光装饰材料有限公司 Compound wallpaper and preparation method thereof
CN108411711A (en) * 2018-03-13 2018-08-17 昆山市聚光装饰材料有限公司 Anti-scratch wallpaper of radiation protection and preparation method thereof

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