CN1274778C - Fire-proof painting with steel structure based on superfine powder low temp. sintered self substitued composite fibre technology - Google Patents
Fire-proof painting with steel structure based on superfine powder low temp. sintered self substitued composite fibre technology Download PDFInfo
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- CN1274778C CN1274778C CN 200410087822 CN200410087822A CN1274778C CN 1274778 C CN1274778 C CN 1274778C CN 200410087822 CN200410087822 CN 200410087822 CN 200410087822 A CN200410087822 A CN 200410087822A CN 1274778 C CN1274778 C CN 1274778C
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Abstract
The present invention relates to fireproof paint for steel structures on the basis of a superfine powder low-temperature sintering technique and a self substituted composite fiber technique. The present invention relates to fireproof paint and provides fireproof paint for steel structures and a manufacturing method thereof. The inorganic paint can be sintered into a ceramic surface (body) in a wide temperature range, and a coating and a protected basal body are firmly combined. The fireproof paint has the advantages of high stable value and little explosion and desquamation. The fireproof paint is composed of brucite, calcined kaolin, cement, sodium silicate, polymerized aluminum phosphate, zinc oxide, bentonite, polymer powder or emulsion, superfine active powder, composite fibers, antimony trioxide, aluminum oxide, light calcium carbonate, mica powder, expanded vermiculite, hollow bleaching beads and expanded pearlite, wherein the composite fibers are sheared, dispersed and dried, and the superfine active powder is respectively crushed, ballmilled and dried in grades; the superfine powder is modified, and the required raw materials and the processed matter are mixed into pulp or powder and packed according to the product mode after modification. The fireproof paint is suitable for the fire protection of indoor and outdoor buildings of which the fire retardant time is less than or equal to three hours, and the steel structures of buildings.
Description
Technical field
The present invention relates to a kind of frie retardant coating, especially a kind of ceramic low-temperature sintering and steel building frie retardant coating of obtaining of the method that combines from the alternative composite fibre technology by nanometer superfine active powder.
Background technology
Develop rapidly along with the urbanization construction, Highrise buildings increases day by day, steel construction has been given building with broad, the slim and graceful solid architectural style of unstability not again because of its peculiar performance, simultaneously because from heavy and light, install easily, short construction period, comprehensive advantage such as low in the pollution of the environment, compare with skeleton construction, have more the unique advantage of development aspect " high, big, light " three, thereby be widely used in (surpassing) Highrise buildings system.Yet; steel borderline failure temperature only is 540 ℃; the steel that do not add flameproof protection generally have only the fire endurance of 15min under the calcination of thermal-flame; can soften very soon and lose supporting capacity; cause steel construction distortion even collapse, so people are to strengthening the flameproof protection proposition higher requirement of (surpass) high-rise steel structure building.
Frie retardant coating is widely used in building field as a kind of simple and efficient, cost-effective safeguard procedures.At present, existing many for research, the patent report of steel structure fire-proof paint both at home and abroad, (patent publication No. are CN1076941) such as model Chun-shan Mountain divided four layers and is applied to steel surface with high temperature foaming layer, low-temp foaming layer, sealing coat sequentially.The echelon foaming forms compound coating in the back-fire relief process, does not produce toxic gas, and fire endurance was above 60 minutes.GuoBing Lin etc. (patent publication No. is CN 1091445) adopt potter's clay or wilkinite and so on clay to improve coating viscosity for the assist in engagement agent, and the vermiculite that peels off together with portland cement, layer shell, filamentary material etc. are formed the inorganic fireproof coating composition.(patent publication No. are CN 1107498) such as Zhang Zhen's English is binding agent with rare earth high-temp glue, rare earth adhesive, in conjunction with modification infusorial earth, modified expanded perlite, china clay, float pearl, sillimanite is made a kind of refractory paint.Flame retardant coating and thermofin unite two into one, and are applicable to 800 ℃～1400 ℃ temperature condition.In addition, nanotechnology has obtained widely to use in paint field in recent years, and still, surface-functionalized when the application of most nano ultrafine powders body (technology) in coating mainly concentrates on coating and be not subjected to fire is as sterilization, automatically cleaning etc.As (New Chemical Materials such as Zu Yong, 2000,27 (3): 14-16) introduce nano-ZnO and decomposite electronics and hole in water and air, this cavity energy activates airborne oxygen and is active oxygen, with multiple organism generation oxidizing reaction, most germs and virus are killed again.When nano-ZnO when concentration is 1% in coating, the sterilizing rate to staphylococcus aureus in the 5min is 98.86%, is 99.93% to colibacillary sterilizing rate.Bock etc. ([P] JP11349868) are by introducing nano-TiO in filming
2Particulate improves conventional mechanical properties such as paint adhesion, anti-impact force, snappiness, and has self-cleaning function.
Frie retardant coating is in the major cause that realizes that fire-proof function runs into sudden explosion often, comes off: 1. bonding failure: usually under the high-temperature condition organic binder bond because polymer charing, volatilization, coating and bond matrix power reduce or lost efficacy, and then cause coating to be separated with matrix.2. the thermal stresses principle is promptly sharply changed by outside temperature, causes huge thermograde and formation temperature stress makes the coating explosion; 3. water vapour pressure principle, promptly the free mixing water of coating inside is 100 ℃ of boilings, produced compressed gas and wrapped.If the coating ventilation property is poor, the speed of perhaps being heated is too fast, the speed that produces steam so is just than fast from the speed that pore discharges with steam, the pressure that forms just may surpass hydraulicity bonded ultimate strength, causes the huge vapor pressure of formation in the coating hole and makes its damage, explosion even come off.
In view of this, need to improve the ventilation property of coating.Comparatively feasible way is to add refractory fibre.Amalgamation between the dispersiveness of refractory fibre and fiber and bone (powder) material, the binding agent is all influential to the cement based coating property.Disperse bad or merge badly, not only can cause the waste of raw material, more seriously cause coating internal structure defective, it is firm and to the problems such as influence of fire resistance to make that eakiness, hollowing, intensity difference, bonding appear in coating.
Summary of the invention
Purpose of the present invention is intended to by combining with the ceramic low-temperature sintering technology of nanometer superfine active powder with from the alternative composite fibre technology; to provide a kind of inorganic paint in being subjected to fiery process, can form ceramic plane (body) at the sintering temperature of broad; but coating and protected matrix mortise; have higher stationary value, be difficult for steel structure fire-proof paint and manufacture method thereof that explosion comes off.
The consisting of of the said frie retardant coating of the present invention (massfraction):
Brucite 5.0～18.0, calcined kaolin 0.0～9.0, cement 0.0～28.0, water glass 3～15, polymer phosphate aluminium 0.45～2.25, zinc oxide 0.0～1.5, wilkinite 0.1～0.5, polymer powder or emulsion 4.0～18.0, superfine active powder 12.0～20.0, conjugated fibre 3.0～8.5, antimonous oxide 2.0～8.0, aluminum oxide 6.0～24.0, light calcium carbonate 8.0～25.0, mica powder 3.0～8.0, expanded vermiculite 5.0～35.0, hollow float bead 0～12.0, pearlstone 0.0～25.0.
Said polymkeric substance is at least a in polyacrylic ester (PAE), phenylpropyl alcohol (SAE), polyvinyl acetate (PVAc), the vinylchlorid ethylene acrylate copolymer (VC/A/E).
Said superfine active powder is formed (massfraction): titanium oxide 12, glass powder 18, calcium oxide 3, water glass 3, aluminum oxide 20, zinc oxide 11, trisodium phosphate 4, yellow soda ash 1, wollastonite powder 3, barium titanate ceramics powder 25.The particle diameter of said superfine active powder is less than 1 μ m.
Said conjugated fibre is formed (massfraction) and length range (mm) is: wood fibre 3 (0.5～2mm), polypropylene fiber 20 (12～20mm), glass fibre 17 (15～20mm), charcoal fiber 20 (6～10mm) with aluminum silicate fiber 40 (18～25mm).
The present invention is said based on the superfine powder low-temperature sintering with from the manufacture method of the steel structure fire-proof paint of alternative composite fibre technology, the steps include:
1) with conjugated fibre by length requirement cut off, disperse, drying;
2) superfine active powder separated pulverizing ball milling, classification, drying are made particle diameter≤1 μ m;
3), saidly be modified as surface modification or mechanochemistry is processing modified with the superfine powder modification;
4) superfine powder after the modification is stirred into slurry or powder by single component form or two-pack form according to product form with desired raw material and machining object, sampling check, packing warehouse-in.
Said surface modification is that the superfine active powder is added in the ultrasonic disperser, sprays the spirituous solution of 2% siloxanes coupling agent, disperses after drying, and is standby.Said mechanochemistry is processing modified to be with centrifugal turbine rotary blender the nano particle in the superfine powder to be embedded on the non-nano particle, produces the superfine active powder.
Said single component form is that superfine active powder, raw and auxiliary material after handling are mixed in proportion, and the back packing stirs.Said two-pack form is that the superfine active powder after handling is mixed with emulsion, stirs, and is packaged into the A part, available bucket of said part or bag, and all the other raw and auxiliary materials mix, and stir, and are packaged into the B part, available bucket of said part or bag; Perhaps emulsion is packaged into the A part, available bucket of said part or bag, with handle well, and other raw and auxiliary material mix, stir, be packaged into the B part, available bucket of said part or bag.
The effect of superfine active powder of the present invention in coating:
1) promotes synergy between each component, produce powerful and persistent interface interaction power, material of construction such as mortar, concrete, stone material, asbestos plate, timber, metal are all had very strong adhesive force with coating surface; Its scintilla structure can with the inorganic siliceous and calcareous generation coordination reaction of matrix, make matrix and film to form firm claw-like infiltration, making films does not come off, non-scale has stronger hardness and abrasion resistance.2) antirust, the part nano material has two thin property interface performances, makes acquisition " breathing " function of filming, and the water effective in the coating is discharged, can stop the intrusion of outside aqueous vapor on the other hand again, prevent that steel construction rustization or other are because the untoward reaction that steam causes.3) inorganic nano material of coatingsurface has good thermal capacity and flame retardant properties, can reduce the thermal conduction of coating, improves fire performance.4) formation of promotion ceramic post sintering face (body) because low-temperature sintering absorbs, takes away a large amount of heats, slows down the temperature rise of protected material when being subjected to fire; The ceramic post sintering face (body) that forms can improve coating flame resistant impact.Inorganic salt high-temperature fusion in the coating forms the liquid phase fluxing point at protected substrate surface when 5) being subjected to fire, forms inorganic corrosion resistant protective layer on protected base material, and coating cohesiveness increases.
Of the present invention from alternative composite fiber adding technique, keep enhancing, unity, the resistance to cleavage of coating with multiple onset fiber in the differing temps gradient.Main effect in coating: 1) form three-dimensional disorderly to reticulated structure with coated material under the room temperature, increase the unity of coating, prevent segregation, cracking.Can stop when 2) high temperature is subjected to fire, delay after the fusion of low melting point inorganic salt to accumulate to melt to drip, prevent to melt the flowability and the coating deadweight of dripping and cause coating and base material bonding failure, peel off at substrate surface.3) low-melting fiber high temperature carbonization volatilization reserved certain space, reduced the deformation that coating internal moisture, air, material heat expansion (contraction), capillary break(-up) cause and the destruction of coating structure.
The present invention except that giving the coatingsurface function, also reduces the sintering temperature of coating ceramic face (body) by adding the superfine active powder, can form ceramic plane (body) at the sintering temperature of broad, has greatly improved the fire performance of coating; And adopt from alternative composite fiber adding technique, reduced the phenomenon that easy explosion comes off under the coating high-temp, the performance of assurance coating fire performance and close-burning continuity, raising; Normal temperature surface function and the following potteryization function of high temperature with nano paint combines together simultaneously, has fire prevention and corrosion resistant two big characteristics, saved the base protection expense; And means such as mechanochemistry processing prepare the superfine active powder, reduce the dispersion and the agglomeration traits of nanophase in the coating, and usefulness is brought into play preferably, and then reduces cost.
The said frie retardant coating of the present invention is applicable to the flameproof protection of indoor and outdoor steel in all kinds of buildingss such as (surpassing) Highrise buildings, petrochemical complex, metallurgy, electric power, communications and transportation, storehouse, steel reinforced concrete member, beam, post, wall, floor; also be applicable to thermal technology's environment that fire protection requirement is higher, as boiler, steam-pipe etc.Coating adhesion is strong, does not ftracture under the hot conditions, does not come off, and fire-resistant significantly, heat-proof quality are arranged, and is widely used in the indoor and outdoor building of fire resistance period≤3 hour and the steel structure fireproof protection of structures.
Embodiment
Below by embodiment the present invention is elaborated.
Embodiment 1:(two-pack form designs for 100Kg with the raw and auxiliary material summation)
Brucite 8.0Kg, calcined kaolin 7.0Kg, water glass 5.0Kg, polymer phosphate aluminium 1.2Kg, zinc oxide 0.8Kg, wilkinite 0.1Kg, polyacrylic acid fat liquor 10.0Kg, superfine active powder 18.5Kg, conjugated fibre 4.0Kg, antimonous oxide 3.0Kg, aluminum oxide 10.0Kg, light calcium carbonate 9.4Kg, mica powder 4.0Kg, expanded vermiculite 13.0Kg, hollow float bead 6.0Kg.
Concrete production technique is as follows:
1) conjugated fibre preparation, various fiber consumptions and length are as follows:
Wood fibre 0.12Kg (length 0.5mm), polypropylene fiber 0.8Kg (length 12mm), glass fibre 0.68Kg (length 15mm), charcoal fiber 0.8Kg (length 6mm), aluminum silicate fiber 1.6Kg (length 18mm) is with above-mentioned blending in of fibers, loose, dry.
2) preparation of superfine active powder:
(1) composition of superfine powder and specification: titanium oxide 2.22Kg, glass powder 3.33Kg, calcium oxide 0.555Kg, water glass 0.555Kg, aluminum oxide 3.7Kg, zinc oxide 2.035Kg, trisodium phosphate 0.74Kg, yellow soda ash 0.185Kg; Wollastonite powder 0.555Kg; Barium titanate ceramics powder 4.625Kg.Wherein titanium oxide, aluminum oxide, zinc oxide, wollastonite powder, calcium oxide particle diameter are all less than 80 nanometers, and other powders use dry method superfine grinding ball milling, classification, dry back particle diameter less than 1 micron respectively.
(2) surface modification of superfine powder: above-mentioned superfine powder (18.5Kg) is added in the ultrasonic disperser, spray worker's liquid spirituous solution 1Kg of 2% siloxanes coupling agent, disperseed 20 minutes, obtain the superfine active powder after the drying, standby.
3) with superfine active powder 18.5Kg, conjugated fibre 4.0Kg, and brucite 8.0Kg, calcined kaolin 7.0Kg, water glass 5.0Kg, polymer phosphate aluminium 1.2Kg, zinc oxide 0.8Kg, wilkinite 0.1Kg, antimonous oxide 3.0Kg, aluminum oxide 10.0Kg, light calcium carbonate 9.4Kg, mica powder 4.0Kg, expanded vermiculite 13.0Kg, hollow float bead 6.0Kg mixes, and is packaged into the A component; 10.0Kg is packaged into the B component separately with the polyacrylic acid fat liquor;
During use, with water and A component (water cement ratio 1.5) place mix in the stirrer after, add the B component again, continue to be stirred to evenly.Can adopt brushing or multiple modes such as spraying to construct, the thin bottom of brushing one deck on base material earlier during construction, and then gradation by the processing requirement brushing, smear or other modes are constructed to specific thickness.
Frie retardant coating performance: coat-thickness 25mm, fire resistance period 3.8h, cohesive strength 0.57MPa, coating density 0.485g/cm
3
Embodiment 2～4:
The two-pack form, basic recipe is constant, only changes brucite, active powder, polymer emulsion consumption, and production technique is together
Embodiment 1, the results are shown in Table 1.
Table 1
| Embodiment | Brucite Kg | Active powder Kg | Polymer emulsion Kg | Fire resistance period h/25mm | Cohesive strength MPa | Coating density g/cm 3 |
| 2 | 5 | 20 | SAE：11.5 | 3.5 | 0.53 | 0.485 |
| 3 | 15 | 15 | PVAc：6.5 | 3.1 | 0.54 | 0.478 |
| 4 | 18 | 12 | VC/A/E：6.5 | 3.5 | 0.51 | 0.480 |
Embodiment 5:(single component form designs for 100Kg with the raw and auxiliary material summation)
Aluminium matter refractory cements 21Kg, brucite 5Kg, water glass 5Kg, polymer phosphate aluminium 0.45Kg, zinc oxide 1Kg, wilkinite 0.1Kg, vinyl acetate/ethylene copolymer (VAc/E) powder 4.6Kg, superfine active powder 12.3Kg, conjugated fibre 4.0Kg, antimonous oxide 4Kg, aluminum oxide 6.0Kg, light calcium carbonate 13.5Kg, mica powder 3Kg, expanded vermiculite 18Kg, pearlstone 8Kg.
Concrete production technique is as follows:
1) conjugated fibre is formed all identical with embodiment 1 with specification.
2) preparation of superfine active powder:
(1) composition of superfine powder and specification: titanium oxide 1.476Kg, glass powder 2.214Kg, calcium oxide 0.369Kg, water glass 0.369Kg, aluminum oxide 2.46Kg, zinc oxide 1.353Kg, trisodium phosphate 0.492Kg, yellow soda ash 0.123Kg, wollastonite powder 0.369Kg, barium titanate ceramics powder 3.075Kg.Wherein titanium oxide, aluminum oxide, zinc oxide, wollastonite powder, calcium oxide particle diameter are all less than 80 nanometers, and other powders use dry method superfine grinding ball milling, classification, dry back particle diameter less than 1 micron respectively.
(2) surface modification of superfine powder: adopt the mechanochemical modification method, promptly adopt centrifugal turbine rotary blender nano particle to be embedded on (non-) nano particle, produce the superfine active powder.
3) with conjugated fibre 4.0Kg, superfine active powder 12.3Kg, vinyl acetate/ethylene copolymer (VAc/E) powder 4.6Kg, aluminium matter refractory cements 21Kg, brucite 3Kg, water glass 5Kg, polymer phosphate aluminium 0.5Kg, zinc oxide 1Kg, wilkinite 0.1Kg, antimonous oxide 4Kg, light calcium carbonate 13.5kg, mica powder 3Kg, expanded vermiculite 20Kg, pearlstone 8Kg is mixed into powder through high-speed stirring.Sampling inspection, the packing warehouse-in.
Adopt water cement ratio 0.8～1.2 to stir during use.Can adopt brushing or multiple modes such as spraying to construct, the thin bottom of brushing one deck on base material earlier during construction, and then gradation by the processing requirement brushing, smear or other modes are constructed to specific thickness.
Frie retardant coating performance: coat-thickness 25mm, fire resistance period 3.5h, cohesive strength 0.53MPa, coating density 0.480g/cm
3
Embodiment 6～9:
The single component form, basic recipe is constant, only changes high-alumina cement, active powder, polymer powder consumption, and production technique the results are shown in Table 2 with embodiment 5.
Table 2
| Embodiment | Cement Kg | Active powder Kg | Polymer powder Kg | Fire-resistant degree h/25mm | Cohesive strength Mpa | Coating density g/cm 3 |
| 6 | 21.0 | 12.3 | VAc/E：4.6 | 3.5 | 0.53 | 0.480 |
| 7 | 12.0 | 20.0 | SAE：5.9 | 3.8 | 0.50 | 0.475 |
| 8 | 15.0 | 18.0 | VC/E/VL：4.9 | 3.8 | 0.50 | 0.476 |
| 9 | 28.0 | 14.0 | VAc/E：3.2， SAE：2.7 | 3.4 | 0.62 | 0.488 |
Embodiment 10:(two-pack designs for 100Kg with the raw and auxiliary material summation)
1) conjugated fibre preparation, various fiber consumptions and length are as follows:
Wood fibre 0.09 (length 0.5mm), polypropylene fiber 0.6 (length 12mm), glass fibre 0.51 (length 15mm), charcoal fiber 0.6 (length 6mm), aluminum silicate fiber 1.2 (length 18mm) is with above-mentioned blending in of fibers, loose, dry.
2) A component: brucite 5Kg, cement of high index 25Kg, water glass 5Kg, polymer phosphate aluminium 1Kg, zinc oxide 0.5Kg, wilkinite 0.15Kg, conjugated fibre 3Kg, antimonous oxide 3Kg, aluminum oxide 12Kg, light calcium carbonate 8.35Kg, expanded vermiculite 21Kg.Above-mentioned material is dropped in the high speed dispersion device successively, be uniformly dispersed, discharging is packaged into the A component, sampling check, after the assay was approved, the packing warehouse-in.
3) composition of superfine powder and specification: titanium oxide 0.48Kg, glass powder 0.72Kg, calcium oxide 0.12Kg, water glass 0.12Kg, aluminum oxide 0.8Kg, zinc oxide 0.44Kg, trisodium phosphate 0.16Kg, yellow soda ash 0.04Kg, wollastonite powder 0.12Kg, barium titanate ceramics powder 1.0Kg.Wherein titanium oxide, aluminum oxide, zinc oxide, wollastonite powder, calcium oxide particle diameter are all less than 80 nanometers, and other powders use dry method superfine grinding ball milling, classification, dry back particle diameter less than 1 micron respectively.
4) B component: superfine powder 4kg and polyacrylate dispersion 12kg are dropped in the ultrasonic disperser successively, mix, make the emulsion dispersion system, as the B component.
During use, with water and A component (water cement ratio 0.8) place mix in the stirrer after, can adopt multiple modes such as brushing or spraying to construct, the thin bottom of brushing one deck on base material earlier during construction is treated to coat B component slurry again behind the surface drying; Also can brush one deck B component slurry earlier and treat to coat A component slurry behind the surface drying, be coated with one deck B component slurry at last again.
Frie retardant coating performance: coat-thickness 25mm, fire resistance period: 3.8h, cohesive strength: 0.65MPa, coating density: 0.485g/cm
3
Embodiment 11～14:
The two-pack form, basic recipe is constant, only changes cement, expanded vermiculite, polymer emulsion consumption, and production technique the results are shown in Table 3 with embodiment 9.
Table 3
| Embodiment | Cement Kg | Expanded vermiculite Kg | Polymer emulsion Kg | Fire-resistant degree h/25mm | Cohesive strength Mpa | Coating density g/cm 3 |
| 11 | 25 | 21 | PAE：11 | 3.8 | 0.65 | 0.485 |
| 12 | 24 | 23 | SAE：10 | 3.6 | 0.48 | 0.483 |
| 13 | 22 | 23 | PVAc：12 | 3.6 | 0.58 | 0.478 |
| 14 | 20 | 20 | SAE：8 PVAc：9 | 3.7 | 0.62 | 0.480 |
Embodiment 15:(two-pack form designs for 100Kg with the raw and auxiliary material summation)
Similar to Example 1, its difference is brucite 12.0Kg, calcined kaolin 2.0Kg, cement 2.0Kg, water glass 10.0Kg, polymer phosphate aluminium 2.25Kg, zinc oxide 1.5Kg, wilkinite 0.5Kg, polyacrylic acid fat liquor 18.0Kg, superfine active powder 16.0Kg, conjugated fibre 8.5Kg, antimonous oxide 6.0Kg, aluminum oxide 24.0Kg, light calcium carbonate 20.0Kg, mica powder 6.0Kg, expanded vermiculite 35.0Kg, hollow float bead 1.5Kg, pearlstone 25.0Kg.
Embodiment 16:(two-pack form designs for 100Kg with the raw and auxiliary material summation)
Similar to Example 1, its difference is calcined kaolin 9.0Kg, cement 8.0Kg, water glass 15.0Kg, polymer phosphate aluminium 1.5Kg, zinc oxide 0.2Kg, wilkinite 0.3Kg, SAE4.0Kg, superfine active powder 15.0Kg, conjugated fibre 6.0Kg, antimonous oxide 8.0Kg, aluminum oxide 20.0Kg, light calcium carbonate 25.0Kg, mica powder 5.0Kg, expanded vermiculite 5.0Kg, hollow float bead 8.0Kg, pearlstone 2.0Kg.
Claims (8)
1, based on the superfine powder low-temperature sintering with from the steel structure fire-proof paint of alternative composite fibre technology, it is characterized in that consisting of: brucite 5.0～18.0 by massfraction, calcined kaolin 0.0～9.0, cement 0.0～28.0, water glass 3～15, polymer phosphate aluminium 0.45～2.25, zinc oxide 0.0～1.5, wilkinite 0.1～0.5, polymer powder or emulsion 4.0～18.0, superfine active powder 12.0～20.0, conjugated fibre 3.0～8.5, antimonous oxide 2.0～8.0, aluminum oxide 6.0～24.0, light calcium carbonate 8.0～25.0, mica powder 3.0～8.0, expanded vermiculite 5.0～35.0, hollow float bead 0～12.0, pearlstone 0.0～25.0; Said superfine active powder consisting of: titanium oxide 12, glass powder 18, calcium oxide 3, water glass 3 by massfraction, aluminum oxide 20, zinc oxide 11, trisodium phosphate 4, yellow soda ash 1, wollastonite powder 3, barium titanate ceramics powder 25, the particle diameter of superfine active powder is less than 1 μ m.
2, as claimed in claim 1 based on the superfine powder low-temperature sintering with from the steel structure fire-proof paint of alternative composite fibre technology, it is characterized in that said polymkeric substance is at least a in polyacrylic ester, phenylpropyl alcohol, polyvinyl acetate (PVA), the vinylchlorid ethylene acrylate copolymer.
3, as claimed in claim 1 based on the superfine powder low-temperature sintering with from the steel structure fire-proof paint of alternative composite fibre technology, it is characterized in that said conjugated fibre by the composition and the length range of massfraction is: wood fibre 3 (0.5～2mm), polypropylene fibre 20 (12～20mm), glass fibre 17 (15～20mm), charcoal fiber 20 (6～10mm) and aluminum silicate fiber 40 (18～25mm).
4, as claimed in claim 1 based on the superfine powder low-temperature sintering with from the manufacture method of the steel structure fire-proof paint of alternative composite fibre technology, it is characterized in that the steps include:
1) with conjugated fibre by length requirement cut off, disperse, drying;
2) make particle diameter less than 1 μ m superfine active powder separated pulverizing ball milling, classification, drying;
3), saidly be modified as surface modification or mechanochemistry is processing modified with the superfine powder modification;
4) stir into slurry or powder, sampling check, packing warehouse-in by single component or two-pack form superfine active powder and other components after with modification.
5, as claimed in claim 4 based on the superfine powder low-temperature sintering with from the manufacture method of the steel structure fire-proof paint of alternative composite fibre technology, it is characterized in that said surface modification is that the superfine active powder is added in the ultrasonic disperser, spray the spirituous solution of 2% siloxanes coupling agent, disperse after drying, standby.
6, as claimed in claim 4 based on the superfine powder low-temperature sintering with from the manufacture method of the steel structure fire-proof paint of alternative composite fibre technology, it is characterized in that said mechanochemistry processing modified be the nano particle in the superfine powder to be embedded on the non-nano particle with centrifugal turbine rotary blender, produce the superfine active powder.
7, as claimed in claim 4 based on the superfine powder low-temperature sintering with from the manufacture method of the steel structure fire-proof paint of alternative composite fibre technology, it is characterized in that said single component form is that superfine active powder, other components after handling are mixed in proportion, the back packing stirs.
8, as claimed in claim 4 based on the superfine powder low-temperature sintering with from the manufacture method of the steel structure fire-proof paint of alternative composite fibre technology, it is characterized in that said two-pack form is that the superfine active powder after handling is mixed with emulsion, stir, be packaged into the A part, said A partly uses bucket or bag, and other constituent materialss mix, and stir, be packaged into the B part, said B partly uses bucket or bag; Perhaps emulsion is packaged into the A part, said A partly uses bucket or bag, with handle well, and other constituent materialss mix, stir, be packaged into the B part, said B partly uses bucket or bag.
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| CN101173120B (en) * | 2006-11-03 | 2010-05-12 | 洛阳佛尔达消防产品有限公司 | Heat-insulation fire-proof paint special for LT type fire bund and method for producing the same |
| CN101310952A (en) * | 2008-02-22 | 2008-11-26 | 王平 | Resource conservation and environmental protection type filling and pelletizing method and device |
| CN103449792B (en) * | 2013-01-17 | 2015-12-23 | 王海辉 | A kind of thick-layered fire coating of resistance to hydro carbons |
| CN104692758B (en) * | 2013-12-06 | 2016-10-05 | 海洋化工研究院有限公司 | The outdoor fire-retardant fire-resistant coating for steel structure of a kind of smoke-inhibiting type |
| CN103773179A (en) * | 2014-01-20 | 2014-05-07 | 南通钰成光电科技有限公司 | Fireproof insulating coating for cable and preparation method thereof |
| CN103788820A (en) * | 2014-01-20 | 2014-05-14 | 南通天明光电科技有限公司 | Fireproof flame-retardant insulated cable coating |
| CN104457100A (en) * | 2014-12-20 | 2015-03-25 | 苏州苏格尔电器有限公司 | Conversion type refrigeration and cold storage box with arc door |
| EP4069787A1 (en) * | 2019-12-02 | 2022-10-12 | 3M Innovative Properties Company | Flame resistant materials for electric vehicle battery applications |
| CN115873428B (en) * | 2022-10-27 | 2023-08-22 | 陕西宝光陶瓷科技有限公司 | Coating solution for ceramic sintering cushion block and preparation method and application thereof |
| CN116574403A (en) * | 2023-05-26 | 2023-08-11 | 应急管理部四川消防研究所 | Non-expansion type steel structure fireproof coating containing plant fibers |
| CN116925582A (en) * | 2023-07-21 | 2023-10-24 | 广州珠江装修工程有限公司 | Environment-friendly indoor wall decoration method |
-
2004
- 2004-10-22 CN CN 200410087822 patent/CN1274778C/en not_active Expired - Fee Related
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