CN103146236B - A kind of frie retardant coating for building - Google Patents
A kind of frie retardant coating for building Download PDFInfo
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- CN103146236B CN103146236B CN201310113600.4A CN201310113600A CN103146236B CN 103146236 B CN103146236 B CN 103146236B CN 201310113600 A CN201310113600 A CN 201310113600A CN 103146236 B CN103146236 B CN 103146236B
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- retardant coating
- frie retardant
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Abstract
The invention provides a kind of frie retardant coating for building, it is floated pearl, wollastonite powder and formula I formed by silicate cement, ammonium dichromate, light calcium carbonate, pure aluminium silicate, fly ash hollow; Put in V-type Forced Mixing machine by component proportion by above-mentioned frie retardant coating, powdery mixture is made in the stirring through 10 ~ 15 minutes; By water and above-mentioned frie retardant coating powder with the ratio of weight ratio 0.8-0.85, stir into thick pulpous state; Spraying can be carried out with spraying machine from below to up from the top of buildings during use and reach pre-determined thickness.
Description
Technical field
The present invention relates to a kind of fire proofing wood coating and preparation method thereof and construction technology, particularly a kind of frie retardant coating be sprayed on building masonry wall surface.This patent obtains Beijing's science and technology nova planning item (Z121106002512008), National Nature fund project (41202214), young top-notch personnel's project (BJRC201308) of North China University of Tech, the young emphasis scientific researching fund projects subsidy of North China University of Tech.
Background technology
Buildings refers to and is built on the mountain ridge, river course, straits and urban ground, passes through for vehicle, pedestrian, current, pipeline etc., or for the structures of digging mineral reserve, military engineering etc.Owing to being built up by concrete and reinforced concrete in buildings; prestressed concrete floor slab frie retardant coating can be adopted to prevent fires; frie retardant coating is sprayed and painted on the surface of vault in buildings and sidewall; play fire-proof and thermal-insulation provide protection; to prevent in buildings Steel Concrete rapid temperature increases and reduce intensity in a fire, avoid concrete concrete to burst, serve as a contrast interior reinforcing bar and destroy and lose supporting capacity and cause buildings to collapse.Multiple frie retardant coating and constructional method is there is in prior art, as CN1544556 discloses a kind of frie retardant coating and manufacturing process thereof, the frie retardant coating that this frie retardant coating forms with inorganic materials and emulsion polymerization two kinds of components, this coating is mixed into component A by cement, aluminium triphosphate, water glass, perlite, glass microballon, mica powder, kaolin, aluminum silicate fiber, aluminium hydroxide, magnesium hydroxide; B component is formed by polymer emulsion.CN1594452 discloses a kind of frie retardant coating by two-pack segmental type, wherein form a component by high-alumina cement, white cement, sepiolite, pearlstone, light calcium carbonate, superfine alumina silicate, trimeric cyanamide, tetramethylolmethane, polyphosphoric acid ammonia, silica, ammonium dichromate, magnesium hydroxide, aluminium hydroxide mixing, another component is pure third flexible emulsion.CN1640949 discloses a kind of frie retardant coating be made up of cement, pearlstone, expansion silica, light calcium carbonate, kaolin, china clay, auxiliary agent (for sodium alkyl naphthalene sulfonate).CN1285680 also discloses a kind of frie retardant coating, and it is also made up of binding agent, lagging material, foam material, auxiliary agent etc.Above-mentioned frie retardant coating recurs while certain flameproof effect, all in resistance to fire intensity, ultimate compression strength etc., has deficiency.Therefore, prior art products can not meet buildings fire protection requirement in fire performance, intensity, water tolerance, acid resistance, humidity resistance etc. comprehensively.
Summary of the invention
Therefore, the object of this invention is to provide a kind of frie retardant coating;
Another goal of the invention of the present invention there is provided a kind of preparation method of frie retardant coating;
Another goal of the invention of the present invention there is provided the constructional method of above-mentioned frie retardant coating.
The object of the invention is to be realized by following method.
A kind of frie retardant coating, is characterized in that: described coating is made up of the raw material of following weight percentage ratio proportioning: the fly ash hollow of the light calcium carbonate of the silicate cement of 25 ~ 29 weight parts, the ammonium dichromate of 16 ~ 20 weight parts, 6 ~ 8 weight parts, the pure aluminium silicate of 2 ~ 3 weight parts, 7 ~ 10 weight parts floats pearl, the wollastonite powder of 6 ~ 7 weight parts and the formula I of 0.2 ~ 0.8 weight part
Preferably, described coating is made up of the raw material of following weight percentage ratio proportioning: the fly ash hollow of the light calcium carbonate of the silicate cement of 27 ~ 29 weight parts, the ammonium dichromate of 18 ~ 19 weight parts, 7 ~ 8 weight parts, the pure aluminium silicate of 2 ~ 3 weight parts, 8 ~ 9 weight parts floats pearl, the wollastonite powder of 6 ~ 7 weight parts and the formula I of 0.6 ~ 0.8 weight part.
The preparation method of above-mentioned frie retardant coating, silicate cement, ammonium dichromate, light calcium carbonate, pure aluminium silicate, fly ash hollow drift pearl, wollastonite powder and formula I are put in V-type Forced Mixing machine respectively by component proportion, powdery mixture is made in the stirring through 10 ~ 15 minutes.
The using method of above-mentioned frie retardant coating: the floating dust of building surface, greasy dirt etc. are cleaned up, and guarantee the smooth of surface, watering is wetting; By water and described frie retardant coating powder with the ratio of weight ratio 0.8-0.85, stir into thick pulpous state; Spray from below to up with the top of spraying machine from buildings, after the 1st spraying parches substantially, continue spraying the 2nd time, so circulate, until reach pre-determined thickness; After last spraying, again mend with slip and fill out finishing.
Above-mentioned frie retardant coating is a kind of powdery mixture, is uniformly mixed into thick pulpous state in proportion, namely joins i.e. use, convenient transportation with the peace and quiet fresh water easily got, and easily, powdery mixture is modulated into frie retardant coating technique with peace and quiet fresh water and simply, easily prepares in storage; Cement expansive material wherein can improve the water-retentivity of frie retardant coating, thixotropy and cementing property, also can improve the water tolerance of fire protection coating, acid resistance, alkali resistance, humidity resistance and freeze thawing.
Formula I in frie retardant coating component of the present invention, a kind of skeletal support system can be formed, the emergence and development of the non-structural crack such as plastic shrinkage, drying shrinkage that effective control coating is early stage, greatly improve the resistance to cleavage of coating, guarantee that fire protection coating does not ftracture, do not come off, without hollowing; Fly ash hollow drift pearl has uninflammability and heat insulation performance, improves the fire performance of frie retardant coating, reduces the dry density of coating; The mobility that can improve again frie retardant coating obtains good workability.
Frie retardant coating of the present invention is basic material, to concrete strong adhesion, easy to use, and artificial mechanism all can use; And can adjusting coating color as required, the various components in described frie retardant coating are harmless to human non-toxic, and when temperature thermal-flame jumpy impacts, performance is stable equally.Can be used for highway structures, railway building, also can be applicable to petrochemical industry project, Highrise buildings, steel construction, underground garage.
Embodiment
Below by embodiment, the invention will be further described.It should be understood that preparation method described in the embodiment of the present invention is only used for the present invention is described, instead of limitation of the present invention, under concept thereof of the present invention, all the scope of protection of present invention is belonged to the simple modifications of preparation method of the present invention.
(1) powdery mixture is prepared:
Silicate cement, ammonium dichromate, light calcium carbonate, pure aluminium silicate, fly ash hollow drift pearl, wollastonite powder and formula I are put in V-type Forced Mixing machine respectively by component proportion, powdery mixture is made in the stirring through 10 ~ 15 minutes;
(2) frie retardant coating is prepared:
Water intaking and above-mentioned frie retardant coating powder, with the ratio of weight ratio 0.8-0.85, stir into the building waterproofing paint of thick pulpous state as required at the construction field (site).
(3) construction of frie retardant coating in buildings:
The floating dust of building surface, greasy dirt etc. are cleaned up, and guarantee the smooth of surface, watering is wetting; By water and above-mentioned frie retardant coating powder with the ratio of weight ratio 0.8-0.85, stir into thick pulpous state; Spray from below to up with the top of spraying machine from buildings, after the 1st spraying parches substantially, continue spraying the 2nd time, so circulate, until reach pre-determined thickness; After last spraying, again mend with slip and fill out finishing.
Embodiment 1: the preparation of formula I
In the single port flask of 500 milliliters, be weighed into ortho-methyl phenol (15 grams, 138.7mmol) successively, Sodium Thiocyanate 99 (34 grams, 419.3mmol), Sodium Bromide (16 grams, 155.5mmol), add 200 ml methanol, stir, be cooled to 0 DEG C, drip the bromine (8.6 milliliters, 167mmol) with 30 ml methanol dilutions, after adding, insulation reaction 1 hour, is raised to room temperature naturally, continues reaction 4 hours.After reaction terminates, add 200 milliliters of saturated sodium bicarbonate aqueous solutions, stir after 10 minutes, with ethyl acetate extracting (2X500 milliliter), merge organic phase, anhydrous magnesium sulfate drying, filter, concentrating under reduced pressure, obtains yellow jelly.Column chromatography (silica gel H: 300-400 order; Petrol ether/ethyl acetate=8: 1) obtain 3-methyl-4-hydroxyl-Jonit acid 16 grams of (white solid, yields: 69.8%).
In the there-necked flask of 500 milliliters, be weighed into Lithium Aluminium Hydride (LiAlH
4) (3.5 grams, 92.2mmol), add 50 milliliters of tetrahydrofuran (THF)s, be cooled to 0 DEG C, drip 3-methyl-4-hydroxyl-Jonit acid (6.13 grams, the 37.1mmol) solution with 30 milliliters of tetrahydrofuran (THF) dilutions, after adding, insulation reaction 30 minutes, is raised to room temperature naturally, continues reaction 1 hour.After reaction terminates, add 10 milliliters of ethanol, under frozen water cooling, neutralizing PH with the hydrochloric acid of 6M is 3-4, ethyl acetate extracting (3X100 milliliter), merges organic phase, anhydrous magnesium sulfate drying, filter, concentrating under reduced pressure, obtains 3-methyl-4-hydroxyl-benzenethiol (yellow liquid).
Gained 3-methyl-4-hydroxyl-benzenethiol is proceeded in the single port flask of 250 milliliters, adds 80 milliliters of acetonitriles and ethyl bromoacetate (4.3 milliliters, 37.07mmol), stir, add salt of wormwood (K
2cO
3) (5.1 grams, 36.9mmol), room temperature reaction 8 hours.After reaction terminates, add 80 milliliters of diluted ethyl acetate reaction solutions, filter, concentrating under reduced pressure, column chromatography (silica gel H: 300-400 order; Petrol ether/ethyl acetate=8: 1) obtain 2-(3-methyl-4-hydroxyl)-thiophenyl-ethyl acetate 6.38 grams (yellow liquid, yield: 76%).
1H NMR(400MHz，CDCl
3)δ1.24(tJ＝7.2Hz，3H)，2.18(s，3H)，3.49(s，2H)，4.15(q，J＝7.14Hz，2H)，5.74(s，1H)，6.63(d，J＝8.27Hz，1H)，7.17(dd，J＝8.16Hz，2.28HZ，1H)，7.25(d，J＝2.28Hz，1H)；
13CNMR(100MHz，CDCl
3)δ14.1，15.7，38.8，61.6，115.6，124.1，125.1，131.9，135.7，154.5，170.6.
Embodiment 2:
Drop in V-type Forced Mixing machine by the fly ash hollow of the pure aluminium silicate of the light calcium carbonate of the ammonium dichromate of the silicate cement of 25 weight parts, 17 weight parts, 6 weight parts, 2 weight parts, 7 weight parts drift pearl, the wollastonite powder of 6 weight parts and the formula I of 0.2 weight part successively, start stirring makes powdery mixture in 15 minutes.Water intaking and above-mentioned frie retardant coating powder are with the ratio of weight ratio 0.8 as required, stir into the building waterproofing paint of thick pulpous state.
Embodiment 3:
Drop in V-type Forced Mixing machine by the fly ash hollow of the pure aluminium silicate of the light calcium carbonate of the ammonium dichromate of the silicate cement of 29 weight parts, 20 weight parts, 8 weight parts, 2 weight parts, 70 weight parts drift pearl, the wollastonite powder of 7 weight parts and the formula I of 0.25 weight part successively, start stirring makes powdery mixture in 12 minutes.Water intaking and above-mentioned frie retardant coating powder are with the ratio of weight ratio 0.8 as required, stir into the building waterproofing paint of thick pulpous state.
Embodiment 4:
Drop in V-type Forced Mixing machine by the fly ash hollow of the pure aluminium silicate of the light calcium carbonate of the ammonium dichromate of the silicate cement of 28 weight parts, 18 weight parts, 8 weight parts, 2 weight parts, 9 weight parts drift pearl, the wollastonite powder of 6 weight parts and the formula I of 0.6 weight part successively, start stirring makes powdery mixture in 15 minutes.Water intaking and above-mentioned frie retardant coating powder are with the ratio of weight ratio 0.85 as required, stir into the building waterproofing paint of thick pulpous state.
Embodiment 4: the coating described in embodiment 2, embodiment 3, embodiment 4 is detected, records various experimental data as shown in the table:
Claims (1)
1. a frie retardant coating, is characterized in that: described coating is made up of the raw material of following weight percentage ratio proportioning: the fly ash hollow of the light calcium carbonate of the silicate cement of 28 weight parts, the ammonium dichromate of 18 weight parts, 8 weight parts, the pure aluminium silicate of 2 weight parts, 9 weight parts floats pearl, the wollastonite powder of 6 weight parts and the formula I of 0.6 weight part
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310113600.4A CN103146236B (en) | 2013-04-03 | 2013-04-03 | A kind of frie retardant coating for building |
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| CN201310113600.4A CN103146236B (en) | 2013-04-03 | 2013-04-03 | A kind of frie retardant coating for building |
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| CN103146236A CN103146236A (en) | 2013-06-12 |
| CN103146236B true CN103146236B (en) | 2015-08-12 |
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| CN103711068B (en) * | 2013-12-31 | 2015-12-09 | 武汉理工大学 | A kind of large-span suspension bridge automobile burning fire-resistance method to set up |
| CN105885615A (en) * | 2016-05-16 | 2016-08-24 | 李军 | Building external wall fireproof coating and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916086A (en) * | 2006-08-29 | 2007-02-21 | 泰州五行涂料有限公司 | Fire-retardant coatings for tunnel, and preparation method |
| CN101880145A (en) * | 2010-06-13 | 2010-11-10 | 成都威邦科技有限公司 | Tunnel fire retardant coating and preparation process and construction process thereof |
| US20120318171A1 (en) * | 2010-02-18 | 2012-12-20 | Lafarge | New foamed concrete |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100430429C (en) * | 2003-04-08 | 2008-11-05 | 株式会社日本触媒 | Cement admixture and cement composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916086A (en) * | 2006-08-29 | 2007-02-21 | 泰州五行涂料有限公司 | Fire-retardant coatings for tunnel, and preparation method |
| US20120318171A1 (en) * | 2010-02-18 | 2012-12-20 | Lafarge | New foamed concrete |
| CN101880145A (en) * | 2010-06-13 | 2010-11-10 | 成都威邦科技有限公司 | Tunnel fire retardant coating and preparation process and construction process thereof |
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