CN104725957A - Self-crosslinking steel structure fire retardant coating and preparation method thereof - Google Patents
Self-crosslinking steel structure fire retardant coating and preparation method thereof Download PDFInfo
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- CN104725957A CN104725957A CN201510119086.4A CN201510119086A CN104725957A CN 104725957 A CN104725957 A CN 104725957A CN 201510119086 A CN201510119086 A CN 201510119086A CN 104725957 A CN104725957 A CN 104725957A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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Abstract
The invention belongs to the technical field of fire retardant coating, and particularly relates to self-crosslinking steel structure fire retardant coating and a preparation method thereof. The coating is prepared from the following components in parts by weight: 12-28 parts of water-borne self-crosslinking acrylic acid emulsion, 1-5 parts of pigment, 39-62 parts of fire retardant auxiliary, 7-17 parts of fire retardant filler, 0.1-0.5 part of thickening agent, 0.1-0.4 part of film-forming auxiliary and 10-18 parts of deionized water, wherein the fire retardant auxiliary comprises dehydrating agent ammonium polyphosphate, melamine, coking reagent pentaerythritol and expanded graphite; and the thickening agent is cellulose. Compared with the prior art, the self-crosslinking steel structure fire retardant coating has the advantages of excellent compact performance and fire retardant performance, strong adhesion and good high-temperature expansion effect; and the preparation method has the advantages of simple process, low cost, good fire retardant effect and wide application range.
Description
Technical field
The invention belongs to frie retardant coating technical field, specifically, relate to a kind of self-crosslinking steel structure fire-proof paint and preparation method thereof.
Background technology
In the 10min that fire occurs, fire scene temperature can reach about 700 DEG C, and therefore when steel local or surface suffer fire effect, heat can in the inner transmission rapidly of steel, total or member temperature will be caused sharply to raise, cause structural strength reduce or completely lose supporting capacity.Under fire effect, because temperature raises, atom kinetic energy increases, and the room that atom leaves trim point formation is increased, and weakens interatomic bonding force; On the other hand, under load effect, room easily forms stress concentration, therefore under the acting in conjunction of fire and load, first steel destroy from empty place, and expand by local very short to overall destruction required time gradually towards periphery, and therefore fire endurance is very low.
Steel structure fire-proof paint has two large classes, non-expansion type steel structure fire-proof paint and expanding fire-proof paint.Non-expansion type steel structure fire-proof paint generally plays fire-proof and thermal-insulation effect by interpolation inorganic fire proof material and prevents fires, but is eliminated gradually because flameproof effect is undesirable.And expansion steel-structure fireproofing coating is better widely used due to fire resistance, water type, oil type and powder-type three class can be divided into according to coating form, due to the easy contaminate environment of oil paint solvent evaporates therefore consumption reducing gradually, and the thin coated type steel structure fire-proof paint of most widely used water-based, take water as the pollution that solvent decreases solvent evaporates.Existing scumbling expansion steel-structure fireproofing coating forms with ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane and part inorganic materials, filmogen mainly adopts aqueous polymer emulsion (benzene emulsion, polyacrylate dispersion, vinyl acetate emulsion, chlorine acrylic emulsion etc.), and preparation technology is for form high speed dispersion, grinding, tune viscosity such as aqueous polymer emulsion and fire-retardant material, auxiliary agent, pigment, fillers.By to water-based existing on market thin coated type steel structure fire-proof paint fire performance lot of experiments, find coating crackle easy after high-temperature expansion with come off, unfavorable to insulating refractory.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of compactness and fire performance good, and effective self-crosslinking steel structure fire-proof paint of high-temperature expansion and preparation method thereof.
A kind of self-crosslinking steel structure fire-proof paint of the present invention, calculate by mass parts, described frie retardant coating comprises the deionized water of the water-borne Self-Crosslinked Acrylic emulsion of 12-28 part, the pigment of 1-5 part, the fire proofing additive of 39-62 part, the fire resistant infilling of 7-17 part, the thickening material of 0.1-0.5 part, the film coalescence aid of 0.1-0.4 part and 10-18 part; Described fire proofing additive comprises dewatering agent ammonium polyphosphate, trimeric cyanamide, charcoal agent tetramethylolmethane and expanded graphite; Described thickening material is Mierocrystalline cellulose.
A kind of self-crosslinking steel structure fire-proof paint of the present invention, calculate by mass parts, described fire proofing additive comprise the ammonium polyphosphate of 17-28 part, the trimeric cyanamide of 13-20 part, the tetramethylolmethane of 8-18 part and 1-6 part 80 objects to expand the expanded graphite of more than 200 times; Described pigment is the titanium dioxide of 1-5 part; Described fire resistant infilling is the high-alumina refractory mud of 2-7 part and the ceramic fiber of 5-10 part.
A kind of self-crosslinking steel structure fire-proof paint of the present invention, the solids content of described water-borne Self-Crosslinked Acrylic emulsion is 45%-50%, carries out self-crosslinking solidification at normal temperatures in moisture evaporative process.
A kind of self-crosslinking steel structure fire-proof paint of the present invention, Al in described high-alumina refractory mud
2o
3content 55%-85%, fineness is 200 order-400 orders.
A kind of self-crosslinking steel structure fire-proof paint of the present invention, described tetramethylolmethane is any one in monopentaerythritol, dipentaerythritol or tripentaerythritol.
A kind of self-crosslinking steel structure fire-proof paint of the present invention, described ammonium polyphosphate is the II type ammonium polyphosphate that the polymerization degree is greater than 1000.
A kind of self-crosslinking steel structure fire-proof paint of the present invention, described Mierocrystalline cellulose adopt in methylcellulose gum, carboxymethyl cellulose, Natvosol, Vltra tears any one.
A kind of self-crosslinking steel structure fire-proof paint of the present invention, described film coalescence aid adopts diethylene glycol monobutyl ether.
The preparation method of a kind of self-crosslinking steel structure fire-proof paint of the present invention, described method is specially: take each component by proportioning raw materials, start dispersion machine and add water-borne Self-Crosslinked Acrylic emulsion, deionized water, ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, expanded graphite, titanium dioxide and high-alumina refractory mud successively, then high speed dispersion 15min is carried out, add ceramic fiber, film coalescence aid and cellulose thickener again and continue high speed dispersion 10min, then grind after adjusting viscosity, obtain frie retardant coating.
Compared with prior art, the advantage that self-crosslinking steel structure fire-proof paint of the present invention and preparation method thereof is following:
1), adopt water-borne Self-Crosslinked Acrylic emulsion as thin type expanding steel structure fire-resisting paint matrix resin, there is good mechanical property, water tolerance, washing fastness, excellent sticking power, shock-resistance and snappiness, remarkable weathering resistance and Bao Se gloss retention, easy construction, coating is rapidly dry, outstanding resistance toheat.The weathering resistance of water-borne Self-Crosslinked Acrylic emulsion excellence, resistance toheat can meet the requirement of Intumescent Fire Retardant Coatings for Steel Structure matrix, also can meet the requirement be rapidly heated when hydro carbons catches fire, fire endurance can reach more than 120min (coating dry film thickness 2.4mm).
2), at ammonium polyphosphate usually used, add trimeric cyanamide, tetramethylolmethane, expanded graphite as one-tenth C catalyst and whipping agent, improve coating to be heated foaming effect, foaming layer is thickened and closely knit, depth of foam can reach 25 times-42 times of former coat-thickness, improves the fire endurance of fire protection coating, adds cellulose thickener and add dope viscosity in coating, improve coating to the sagging effect of steel beam column, ensure that the thickness of single spin coating.
3), production technique of the present invention is simple, cost is low, flameproof effect is good, applied range.
Embodiment
Below in conjunction with specific embodiment, self-crosslinking steel structure fire-proof paint of the present invention and preparation method thereof is described further, but protection scope of the present invention is not limited to this.
Embodiment 1
Take water-borne Self-Crosslinked Acrylic emulsion 28g put into agitation vat start stir, then ammonium polyphosphate 17g is taken successively, trimeric cyanamide 13g, monopentaerythritol 8g, expanded graphite (80 orders expand more than 200 times) 4g, titanium dioxide 3g, high-alumina refractory mud 7g, ceramic fiber 8g, diethylene glycol monobutyl ether 0.1g, methylcellulose gum 0.2g, deionized water 12g adds in agitation vat, and carries out high speed dispersion stirring 30min, then enters sand mill and carry out sand milling after adjusting viscosity, packaging, obtains thin section steel structure fire-resisting paint of the present invention.
Embodiment 2
Take water-borne Self-Crosslinked Acrylic emulsion 24g put into agitation vat start stir, then ammonium polyphosphate 19g is taken successively, trimeric cyanamide 14g, dipentaerythritol 10g, expanded graphite (80 orders expand more than 200 times) 6g, titanium dioxide 3g, high-alumina refractory mud 4g, ceramic fiber 10g, diethylene glycol monobutyl ether 0.2g, Natvosol 0.1g, deionized water 10g adds in agitation vat, and carries out high speed dispersion stirring 30min, then enters sand mill and carry out sand milling after adjusting viscosity, packaging, obtains thin section steel structure fire-resisting paint of the present invention.
Embodiment 3
Take water-borne Self-Crosslinked Acrylic emulsion 22g put into agitation vat start stir, then ammonium polyphosphate 20g is taken successively, trimeric cyanamide 15g, tripentaerythritol 13g, expanded graphite (80 orders expand more than 200 times) 3g, titanium dioxide 5g, high-alumina refractory mud 2g, ceramic fiber 6g, diethylene glycol monobutyl ether 0.3g, Vltra tears 0.1g, deionized water 14g adds in agitation vat, and carries out high speed dispersion stirring 30min, then enters sand mill and carry out sand milling after adjusting viscosity, packaging, obtains thin section steel structure fire-resisting paint of the present invention.
Embodiment 4
Take water-borne Self-Crosslinked Acrylic emulsion 24g put into agitation vat start stir, then ammonium polyphosphate 19g is taken successively, trimeric cyanamide 14g, dipentaerythritol 10g, expanded graphite (80 orders expand more than 200 times) 6g, titanium dioxide 3g, high-alumina refractory mud 4g, ceramic fiber 10g, little Hua Herba Carpesii Divaricati element (4 β-acetoxyl group-pseudo-guainane-11 (13)-alkene-12, 8 α-lactone) 0.2g, Natvosol 0.1g, deionized water 10g adds in agitation vat, and carry out high speed dispersion stirring 30min, then enter sand mill after adjusting viscosity and carry out sand milling, packaging, obtain thin section steel structure fire-resisting paint of the present invention.
Embodiment 5
Take water-borne Self-Crosslinked Acrylic emulsion 12g put into agitation vat start stir, then ammonium polyphosphate 22g is taken successively, trimeric cyanamide 20g, tripentaerythritol 18g, expanded graphite (80 orders expand more than 200 times) 5g, titanium dioxide 1g, high-alumina refractory mud 3g, ceramic fiber 5g, diethylene glycol monobutyl ether 0.1g, Vltra tears 0.3g, deionized water 14g adds in agitation vat, and carries out high speed dispersion stirring 30min, then enters sand mill and carry out sand milling after adjusting viscosity, packaging, obtains thin section steel structure fire-resisting paint of the present invention.
Embodiment 6
Take water-borne Self-Crosslinked Acrylic emulsion 13g put into agitation vat start stir, then ammonium polyphosphate 28g is taken successively, trimeric cyanamide 16g, dipentaerythritol 9g, expanded graphite (80 orders expand more than 200 times) 2g, titanium dioxide 4g, high-alumina refractory mud 5g, ceramic fiber 5g, diethylene glycol monobutyl ether 0.2g, Natvosol 0.5g, deionized water 18g adds in agitation vat, and carries out high speed dispersion stirring 30min, then enters sand mill and carry out sand milling after adjusting viscosity, packaging, obtains thin section steel structure fire-resisting paint of the present invention.
The II type ammonium polyphosphate that the polymerization degree of above-mentioned ammonium polyphosphate is greater than 1000.Carry out Performance Detection according to the steel structure fire-proof paint of GB14907-2002 " steel structure fire-proof paint general technical specifications " to above preparation, result is as following table.
Above-described embodiment illustrates: the present invention adopts water-borne Self-Crosslinked Acrylic emulsion as filmogen; and adopt ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, expanded graphite (80 orders expand more than 200 times) as becoming C catalyst and whipping agent; improve the fire prevention of frie retardant coating, foam performance; mix high-alumina refractory mud and ceramic fiber; significantly improve fire performance and the effect of prestressed of fireproof paint coating; the coating of product, standing can not to be burnt fast when hydrocarbon fire heats up, has good provide protection to steel construction during presence of fire.
Claims (9)
1. a self-crosslinking steel structure fire-proof paint, it is characterized in that, calculate by mass parts, described frie retardant coating comprises the deionized water of the water-borne Self-Crosslinked Acrylic emulsion of 12-28 part, the pigment of 1-5 part, the fire proofing additive of 39-62 part, the fire resistant infilling of 7-17 part, the thickening material of 0.1-0.5 part, the film coalescence aid of 0.1-0.4 part and 10-18 part; Described fire proofing additive comprises dewatering agent ammonium polyphosphate, trimeric cyanamide, charcoal agent tetramethylolmethane and expanded graphite; Described thickening material is Mierocrystalline cellulose.
2. a kind of self-crosslinking steel structure fire-proof paint according to claim 1, it is characterized in that, calculate by mass parts, described fire proofing additive comprise the ammonium polyphosphate of 17-28 part, the trimeric cyanamide of 13-20 part, the tetramethylolmethane of 8-18 part and 1-6 part 80 objects to expand the expanded graphite of more than 200 times; Described pigment is the titanium dioxide of 1-5 part; Described fire resistant infilling is the high-alumina refractory mud of 2-7 part and the ceramic fiber of 5-10 part.
3. a kind of self-crosslinking steel structure fire-proof paint according to claim 1, is characterized in that, the solids content of described water-borne Self-Crosslinked Acrylic emulsion is 45%-50%, carries out self-crosslinking solidification at normal temperatures in moisture evaporative process.
4. a kind of self-crosslinking steel structure fire-proof paint according to claim 1, is characterized in that, Al in described high-alumina refractory mud
2o
3content 55%-85%, fineness is 200 order-400 orders.
5. a kind of self-crosslinking steel structure fire-proof paint according to claim 1, is characterized in that, described tetramethylolmethane is any one in monopentaerythritol, dipentaerythritol or tripentaerythritol.
6. a kind of self-crosslinking steel structure fire-proof paint according to claim 1, is characterized in that, described ammonium polyphosphate is the II type ammonium polyphosphate that the polymerization degree is greater than 1000.
7. a kind of self-crosslinking steel structure fire-proof paint according to claim 1, is characterized in that, described Mierocrystalline cellulose adopt in methylcellulose gum, carboxymethyl cellulose, Natvosol, Vltra tears any one.
8. a kind of self-crosslinking steel structure fire-proof paint according to claim 1, is characterized in that, described film coalescence aid adopts diethylene glycol monobutyl ether.
9. the preparation method of a kind of self-crosslinking steel structure fire-proof paint according to claim 1, it is characterized in that, described method is specially: take each component by proportioning raw materials, start dispersion machine and add water-borne Self-Crosslinked Acrylic emulsion, deionized water, ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, expanded graphite, titanium dioxide and high-alumina refractory mud successively, then high speed dispersion 15min is carried out, add ceramic fiber, film coalescence aid and cellulose thickener again and continue high speed dispersion 10min, then grind after adjusting viscosity, obtain frie retardant coating.
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| CN201510119086.4A CN104725957B (en) | 2015-03-18 | 2015-03-18 | A kind of self-crosslinking fire-resistant coating for steel structure and preparation method thereof |
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| CN201510119086.4A CN104725957B (en) | 2015-03-18 | 2015-03-18 | A kind of self-crosslinking fire-resistant coating for steel structure and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038466A (en) * | 2015-06-30 | 2015-11-11 | 沈阳工业大学辽阳校区 | Steel structure aqueous fireproof coating and preparation method thereof |
| CN106590396A (en) * | 2016-11-29 | 2017-04-26 | 昆山顶牛市政建设有限公司 | Environment-friendly wall decoration fireproof coating and preparation method thereof |
| CN106752500A (en) * | 2016-11-30 | 2017-05-31 | 佛山市高明区诚睿基科技有限公司 | A kind of preparation method with fire resistant coating stainless steel material |
| CN106833204A (en) * | 2017-02-21 | 2017-06-13 | 程艳青 | A kind of indoor formaldehyde-removing antibiotic environmental protection sealing wax and preparation method thereof |
| CN107936735A (en) * | 2017-11-03 | 2018-04-20 | 国家电网公司 | A kind of ice-covering-proof sections tower |
| CN111607299A (en) * | 2020-06-09 | 2020-09-01 | 常州优纳新材料科技有限公司 | Mesoporous material composite steel structure fireproof coating and preparation method thereof |
| CN116814130A (en) * | 2023-07-21 | 2023-09-29 | 烟台艾弗尔阻燃科技有限公司 | Water-based steel structure fireproof paint |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038466A (en) * | 2015-06-30 | 2015-11-11 | 沈阳工业大学辽阳校区 | Steel structure aqueous fireproof coating and preparation method thereof |
| CN106590396A (en) * | 2016-11-29 | 2017-04-26 | 昆山顶牛市政建设有限公司 | Environment-friendly wall decoration fireproof coating and preparation method thereof |
| CN106752500A (en) * | 2016-11-30 | 2017-05-31 | 佛山市高明区诚睿基科技有限公司 | A kind of preparation method with fire resistant coating stainless steel material |
| CN106833204A (en) * | 2017-02-21 | 2017-06-13 | 程艳青 | A kind of indoor formaldehyde-removing antibiotic environmental protection sealing wax and preparation method thereof |
| CN107936735A (en) * | 2017-11-03 | 2018-04-20 | 国家电网公司 | A kind of ice-covering-proof sections tower |
| CN111607299A (en) * | 2020-06-09 | 2020-09-01 | 常州优纳新材料科技有限公司 | Mesoporous material composite steel structure fireproof coating and preparation method thereof |
| CN116814130A (en) * | 2023-07-21 | 2023-09-29 | 烟台艾弗尔阻燃科技有限公司 | Water-based steel structure fireproof paint |
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