CN101519559A - Ultra-thin intumescent fire-retardant coating for steel structure and preparation method thereof - Google Patents
Ultra-thin intumescent fire-retardant coating for steel structure and preparation method thereof Download PDFInfo
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- CN101519559A CN101519559A CN200810231868A CN200810231868A CN101519559A CN 101519559 A CN101519559 A CN 101519559A CN 200810231868 A CN200810231868 A CN 200810231868A CN 200810231868 A CN200810231868 A CN 200810231868A CN 101519559 A CN101519559 A CN 101519559A
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Abstract
The invention discloses a method for preparing an ultra-thin intumescent fire-retardant coating for a steel structure. The coating comprises the following compositions in percentage by mass: 49.8 to 59.8 percent of bromocarbon acrylic acid resin, 6.5 to 8.2 percent of ammonium polyphosphate, 4.4 to 5.4 percent of melamine, 2.2 to 2.7 percent of pentaerythritol, 0.6 to 1.5 percent of diantimony trioxide, 2.5 to 6.0 percent of chlorinated paraffin, 1.2 to 1.6 percent of molybdenum trioxide, 0.6 to 1.6 percent of zinc borate, 0.3 to 0.4 percent of bentonite, 1.6 to 3.9 percent of titanium pigment, 0.4 percent of dimethicone, and 19.9 percent of dimethylbenzene. Tetrabromobisphenol S-diallyl ether are adopted to polymerize with acrylic acid, butyl acrylate and methyl methacrylate to obtain the bromocarbon acrylic acid resin through free radical; and the bromocarbon acrylic acid resin is taken as a base material to be compounded with the ammonium polyphosphate, the melamine, the pentaerythritol, the molybdenum trioxide, the diantimony trioxide, the chlorinated paraffin, the zinc borate, the bentonite, the titanium pigment, and the like to obtain the coating.
Description
Technical field
The present invention relates to a kind of frie retardant coating, specifically is ultrathin expansion type steel structure bromocarbon acrylic acid frie retardant coating for building.
Background technology
Because steel construction has intensity height, good toughness, easy to make, series of advantages such as speed of application is fast, building cycle is short, obtain more and more widely application already in modern architecture.But its fire performance is the focus that people are concerned about always, because its fire performance is poor, apply frie retardant coating in the above is most economical and the simplest method always.
The ultra-thin expansion fireproof coating coating is met heat and can be expanded, and rate of expansion is high, can reach tens times to tens times height, and the expanding layer densification is solid, and duration of fire resistance does not wait from 0.5h to 3h.The super-thin steel structure fire-proof paint coating is thin, decorate properties is good, color is abundant, can reach the reload request that is coated with of common buildings coating.Engineering time and cost performance thereof are much better than thick type and thin section steel structure fire-resisting paint.
Patent CN1394923A water thin type expanding steel structure fire-resisting paint and preparation method thereof, the employing ACRYLIC EMULSION is a main film forming substance, infiltrates chlorine partial emulsion in right amount to improve the flame retardant resistance of filmogen.On the basis of original ammonium polyphosphate class fire proofing additive, add a kind of graphite that expands as foam material, improve the frothing percentage of coating greatly, foaming layer can reach 30-50 times of former coating, fire endurance 75min (thickness 3mm).
Existing expanding fire-proof paint kind all adopts the additive flame retardant system, filmogen does not have flame retardant effect, and the additive flame retardant system is because relative molecular mass is little, form stripping easily takes place after the coating, ooze out, phenomenons such as migration, volatilization, As time goes on, do not have should producing effect of fire protection flame retarding when really meeting with fire, have the timeliness decay, greatly reduce the fire prevention effect of frie retardant coating.
Summary of the invention
The purpose of this invention is to provide superthin expansion steel structure fireproof coating and preparation method thereof.
Superthin expansion steel structure fireproof coating of the present invention, by mass percentage, the prescription of bromocarbon acrylic acid resin is:
Tetrabromo-bisphenol s-dual-allyl ether 19.8%～24.5%, vinylformic acid 2.6%～3.0%, butyl acrylate 9.3%～12.7%, methyl methacrylate 2.7%～4.1%, initiator 0.40%, dimethylbenzene 60.00%.
By mass percentage, the prescription of superthin expansion steel structure fireproof coating is:
Bromocarbon acrylic acid resin 49.8%～59.8%, ammonium polyphosphate 6.5%～8.2%, trimeric cyanamide 4.4%～5.4%, tetramethylolmethane 2.2%～2.7%, antimonous oxide 0.6%～1.5%, clorafin 2.5%～6.0%, molybdic oxide 1.2%～1.6%, zinc borate 0.6%～1.6%, boron-moisten soil 0.3%～0.4%, titanium dioxide 1.6%～3.9%, dimethyl silicone oil 0.4%, dimethylbenzene 19.9%.
The preparation method of the above superthin expansion steel structure fireproof coating gets the raw materials ready by above component, the steps include:
(1) tetrabromo-bisphenol s-dual-allyl ether, vinylformic acid, butyl acrylate, methyl methacrylate are carried out pre-mixing and obtain mix monomer; Solvent is a dimethylbenzene, adds partial solvent and 1/10 mix monomer in reactor, begins to stir and be warming up to reflux state, is incubated 30 minutes; Then 9/10 initiator and residue mix monomer are dissolved in the partial solvent, obtain containing the mix monomer of initiator, add header tank; Dropping contains the mix monomer of initiator, drips off in 120～150 minutes, drips off back insulation 30～60 minutes; To remain initiator and be dissolved in the residual solvent, and join header tank, drip, drip off in 45～60 minutes; Insulation reaction 3 hours obtains colourless or flaxen bromocarbon acrylic acid resin after the cooling.
(2) ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, antimonous oxide, clorafin, molybdic oxide, zinc borate, boron-moisten soil, the titanium dioxide with an amount of dimethylbenzene and formula ratio adds many with carrying out high speed dispersion in the dispersion mill 30～60 minutes successively, reduce stirring velocity and added bromocarbon acrylic acid resin redispersion 20～40 minutes, use conoidal mill then, be milled to required fineness, adding is many with disperseing in the dispersion mill 10～20 minutes again, promptly gets product.
The invention has the advantages that the adding owing to fire-retardant monomer tetrabromo-bisphenol s-dual-allyl ether, it is good to make this coating have fire resistance, ornamental strong, the characteristics that chemical mediator-resitant property is excellent, and have good physicochemical property, hardness is big, anti-impact force is strong, can satisfy the requirement of steel structure fire-proof paint.On the other hand, by the introducing of fire-retardant monomer tetrabromo-bisphenol s-dual-allyl ether in acrylic resin, realized fire-retardant monomeric high molecular, overcome and added short shortcoming of flame retardant type frie retardant coating fire prevention time limit, simultaneously because fire-retardant monomer tetrabromo-bisphenol s-dual-allyl ether flame retarding efficiency height, so can add less or not add fire-retardant intumescent system, improved the decorate properties of coating, can be widely used in the application of steel construction, tunnel, woodenware.Superthin expansion steel structure fireproof coating has that technology is simple, raw material is easy to get, the characteristics of stable performance, is suitable for large-scale industrial production.
Embodiment
Superthin expansion steel structure fireproof coating of the present invention, by mass percentage, the prescription of bromocarbon acrylic acid resin is:
Tetrabromo-bisphenol s-dual-allyl ether 19.8%～24.5%, vinylformic acid 2.6%～3.0%, butyl acrylate 9.3%～12.7%, methyl methacrylate 2.7%～4.1%, initiator 0.40%, dimethylbenzene 60.00%.
By mass percentage, the prescription of superthin expansion steel structure fireproof coating is:
Bromocarbon acrylic acid resin 49.8%～59.8%, ammonium polyphosphate 6.5%～8.2%, trimeric cyanamide 4.4%～5.4%, tetramethylolmethane 2.2%～2.7%, antimonous oxide 0.6%～1.5%, clorafin 2.5%～6.0%, molybdic oxide 1.2%～1.6%, zinc borate 0.6%～1.6%, boron-moisten soil 0.3%～0.4%, titanium dioxide 1.6%～3.9%, dimethyl silicone oil 0.4%, dimethylbenzene 19.9%.Initiator is dibenzoyl peroxide or Diisopropyl azodicarboxylate.
Embodiment 1
(1) tetrabromo-bisphenol s-dual-allyl ether 22.4kg, vinylformic acid 2.8kg, butyl acrylate 11.0kg, methyl methacrylate 3.4kg are carried out pre-mixing and obtain mix monomer; Solvent is dimethylbenzene 60.00kg altogether, adds 6.0kg solvent and 4.00kg mix monomer in reactor, begins to stir and be warming up to reflux state, is incubated 30 minutes; Initiator and 35.6kg mix monomer with 0.36kg is dissolved in the remaining 48.0kg solvent then, obtains containing the mix monomer of initiator and solvent, adds header tank; Dropping contains the mix monomer of initiator, solvent, drips off in 120～150 minutes, drips off back insulation 30～60 minutes; To remain initiator 0.04kg and be dissolved in the residue 6.00kg solvent, and join header tank, drip, drip off in 45～60 minutes; Drip off back insulation reaction 3 hours, obtain colourless or faint yellow bromocarbon acrylic acid resin after the cooling.
(2) with 10.0kg dimethylbenzene and 0.4kg defoamer, 7.35kg ammonium polyphosphate, 4.9kg trimeric cyanamide, 2.45kg tetramethylolmethane, 1.05kg antimonous oxide, 4.25kg clorafin, 1.4kg molybdic oxide, 1.1kg zinc borate, 0.35kg boron-moisten soil, 2.75kg titanium dioxide adds many with carrying out high speed dispersion in the dispersion mill 30～60 minutes successively, reduce stirring velocity and added 54.1kg acrylic resin redispersion 20～40 minutes, use conoidal mill then, be milled to required fineness, add many again with disperseing in the dispersion mill 10～20 minutes, with remaining dimethylbenzene modulation solid content is 50.0%, and product fineness is controlled at below the 70um.
Embodiment 2～3 preparation technologies are with embodiment 1, and it is as follows to fill a prescription:
(1) bromocarbon acrylic acid resin
| Sequence number | Name of material | Embodiment 2/kg | Embodiment 3/kg |
| 1 | Vinylformic acid 2,4, the 6-tribromophenyl | 19.8 | 24.5 |
| 2 | Vinylformic acid | 3.0 | 2.6 |
| 3 | Butyl acrylate | 12.7 | 9.8 |
| 4 | Methyl methacrylate | 4.1 | 2.7 |
| 5 | Dibenzoyl peroxide | 0.4 | 0.4 |
| 6 | Dimethylbenzene | 60.00 | 60.00 |
(2) bromocarbon acrylic acid tunnel fireproof coating
| Sequence number | Name of material | Embodiment 2/kg | Embodiment 3/kg |
| 1 | The bromocarbon acrylic acid resin | 59.8 | 49.8 |
| 2 | Ammonium polyphosphate | 6.5 | 8.2 |
| 3 | Trimeric cyanamide | 4.4 | 5.4 |
| 4 | Tetramethylolmethane | 2.2 | 2.7 |
| 5 | Antimonous oxide | 0.6 | 1.3 |
| 6 | Clorafin | 2.5 | 5.4 |
| 7 | Molybdic oxide | 1.2 | 1.6 |
| 8 | Zinc borate | 0.6 | 1.0 |
| 9 | Boron-moisten soil | 0.3 | 0.4 |
| 10 | Titanium dioxide | 1.6 | 3.9 |
| 11 | Dimethylbenzene | 19.9 | 19.9 |
| 12 | Dimethyl silicone oil | 0.4 | 0.4 |
Claims (4)
1, super-thin intumescent steel structure fire-proof paint is characterized in that: its component is by mass percentage:
Bromocarbon acrylic acid resin 49.8%～59.8%, ammonium polyphosphate 6.5%～8.2%, trimeric cyanamide 4.4%～5.4%, tetramethylolmethane 2.2%～2.7%, antimonous oxide 0.6%～1.5%, clorafin 2.5%～6.0%, molybdic oxide 1.2%～1.6%, zinc borate 0.6%～1.6%, boron-moisten soil 0.3%～0.4%, titanium dioxide 1.6%～3.9%, dimethyl silicone oil 0.4%, dimethylbenzene 19.9%.
2, super-thin intumescent steel structure fire-proof paint according to claim 1, it is characterized in that: the component of bromocarbon acrylic acid resin is by mass percentage:
Tetrabromo-bisphenol s-dual-allyl ether 19.8%～24.5%, vinylformic acid 2.6%～3.0%, butyl acrylate 9.3%～12.7%, methyl methacrylate 2.7%～4.1%, initiator 0.40%, dimethylbenzene 60.00%.
3, super-thin intumescent steel structure fire-proof paint according to claim 2 is characterized in that initiator is dibenzoyl peroxide or Diisopropyl azodicarboxylate.
4, the preparation method of superthin expansion steel structure fireproof coating by the described prescription batching of claim 1, the steps include:
(1) tetrabromo-bisphenol s-dual-allyl ether, vinylformic acid, butyl acrylate, methyl methacrylate are carried out pre-mixing and obtain mix monomer; Solvent is a dimethylbenzene, adds partial solvent and 1/10 mix monomer in reactor, begins to stir and be warming up to reflux state, is incubated 30 minutes; Then 9/10 initiator and residue mix monomer are dissolved in the partial solvent, obtain containing the mix monomer of initiator, add header tank; Dropping contains the mix monomer of initiator, drips off in 120～150 minutes, drips off back insulation 30～60 minutes; To remain initiator and be dissolved in the residual solvent, and join header tank, drip, drip off in 45～60 minutes; Insulation reaction 3 hours obtains colourless or flaxen bromocarbon acrylic acid resin after the cooling;
(2) ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, antimonous oxide, clorafin, molybdic oxide, zinc borate, boron-moisten soil, the titanium dioxide with an amount of dimethylbenzene and formula ratio adds many with carrying out high speed dispersion in the dispersion mill 30～60 minutes successively, reduce stirring velocity and added bromocarbon acrylic acid resin redispersion 20～40 minutes, use conoidal mill then, be milled to required fineness, adding is many with disperseing in the dispersion mill 10～20 minutes again, promptly gets product.
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| CN2008102318687A CN101519559B (en) | 2008-10-10 | 2008-10-10 | Ultra-thin intumescent fire-retardant coating for steel structure and preparation method thereof |
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| CN2008102318687A CN101519559B (en) | 2008-10-10 | 2008-10-10 | Ultra-thin intumescent fire-retardant coating for steel structure and preparation method thereof |
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| CN101519559A true CN101519559A (en) | 2009-09-02 |
| CN101519559B CN101519559B (en) | 2010-12-29 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955710A (en) * | 2010-05-14 | 2011-01-26 | 袁雪祥 | Water-borne nano ultra-thin steel structure fire retardant coating and preparation method thereof |
| CN102061119A (en) * | 2009-11-16 | 2011-05-18 | 中国京冶工程技术有限公司 | Solvent-free epoxy resin fire-resistant coating for ultrathin steel structure |
| CN102746774A (en) * | 2012-06-28 | 2012-10-24 | 兰州理工大学 | Bromine carbon alkyd resin finishing fireproof paint and its preparation method |
| CN103509421A (en) * | 2012-06-28 | 2014-01-15 | 永记造漆工业（昆山）有限公司 | Ultrathin formed-steel-structured fireproof coating and preparation method thereof |
| CN103627273A (en) * | 2013-11-14 | 2014-03-12 | 江苏博思源防火材料科技有限公司 | Steel structure fireproof coating |
| CN107384183A (en) * | 2017-08-14 | 2017-11-24 | 安徽康瑞高科新材料技术工程有限公司 | A kind of ultra-thin coating and preparation method thereof |
-
2008
- 2008-10-10 CN CN2008102318687A patent/CN101519559B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061119A (en) * | 2009-11-16 | 2011-05-18 | 中国京冶工程技术有限公司 | Solvent-free epoxy resin fire-resistant coating for ultrathin steel structure |
| CN101955710A (en) * | 2010-05-14 | 2011-01-26 | 袁雪祥 | Water-borne nano ultra-thin steel structure fire retardant coating and preparation method thereof |
| CN101955710B (en) * | 2010-05-14 | 2012-10-24 | 袁雪祥 | Water-borne nano ultra-thin steel structure fire retardant coating and preparation method thereof |
| CN102746774A (en) * | 2012-06-28 | 2012-10-24 | 兰州理工大学 | Bromine carbon alkyd resin finishing fireproof paint and its preparation method |
| CN103509421A (en) * | 2012-06-28 | 2014-01-15 | 永记造漆工业（昆山）有限公司 | Ultrathin formed-steel-structured fireproof coating and preparation method thereof |
| CN102746774B (en) * | 2012-06-28 | 2014-07-09 | 兰州理工大学 | Bromine carbon alkyd resin finishing fireproof paint and its preparation method |
| CN103627273A (en) * | 2013-11-14 | 2014-03-12 | 江苏博思源防火材料科技有限公司 | Steel structure fireproof coating |
| CN107384183A (en) * | 2017-08-14 | 2017-11-24 | 安徽康瑞高科新材料技术工程有限公司 | A kind of ultra-thin coating and preparation method thereof |
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| CN101519559B (en) | 2010-12-29 |
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