CN107176815A - A kind of gypsum base steel structure fireproof protection material containing reinforcing fiber - Google Patents
A kind of gypsum base steel structure fireproof protection material containing reinforcing fiber Download PDFInfo
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- CN107176815A CN107176815A CN201710293904.1A CN201710293904A CN107176815A CN 107176815 A CN107176815 A CN 107176815A CN 201710293904 A CN201710293904 A CN 201710293904A CN 107176815 A CN107176815 A CN 107176815A
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- China
- Prior art keywords
- reinforcing fiber
- steel structure
- protection material
- base steel
- gypsum base
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- Pending
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 239000000463 material Substances 0.000 title claims abstract description 55
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 49
- 239000010440 gypsum Substances 0.000 title claims abstract description 48
- 239000012783 reinforcing fiber Substances 0.000 title claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 32
- -1 polypropylene Polymers 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000011505 plaster Substances 0.000 claims abstract description 14
- 239000004816 latex Substances 0.000 claims abstract description 13
- 229920000126 latex Polymers 0.000 claims abstract description 13
- 239000010451 perlite Substances 0.000 claims abstract description 13
- 235000019362 perlite Nutrition 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 12
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 239000004743 Polypropylene Substances 0.000 claims abstract description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011324 bead Substances 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 239000011810 insulating material Substances 0.000 claims abstract description 10
- 229920001155 polypropylene Polymers 0.000 claims abstract description 10
- 239000004113 Sepiolite Substances 0.000 claims abstract description 9
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 9
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 9
- 239000010445 mica Substances 0.000 claims abstract description 8
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 8
- 239000010455 vermiculite Substances 0.000 claims abstract description 8
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 8
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 229940077388 benzenesulfonate Drugs 0.000 claims description 5
- 229920000609 methyl cellulose Polymers 0.000 claims description 5
- 239000001923 methylcellulose Substances 0.000 claims description 5
- 235000010981 methylcellulose Nutrition 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 4
- 229920006243 acrylic copolymer Polymers 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 4
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 3
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 3
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 3
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 3
- 239000001509 sodium citrate Substances 0.000 claims description 3
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- OAOABCKPVCUNKO-UHFFFAOYSA-N 8-methyl Nonanoic acid Chemical compound CC(C)CCCCCCC(O)=O OAOABCKPVCUNKO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052925 anhydrite Inorganic materials 0.000 claims description 2
- 239000006227 byproduct Substances 0.000 claims description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 2
- 229920001038 ethylene copolymer Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 description 19
- 238000000576 coating method Methods 0.000 description 19
- 238000005507 spraying Methods 0.000 description 15
- 238000010276 construction Methods 0.000 description 14
- 239000003973 paint Substances 0.000 description 9
- 239000004567 concrete Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 238000007667 floating Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 3
- 210000000683 abdominal cavity Anatomy 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
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- 238000002425 crystallisation Methods 0.000 description 3
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- 238000013461 design Methods 0.000 description 3
- 150000004683 dihydrates Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000008397 galvanized steel Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 229920003086 cellulose ether Polymers 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000004079 fireproofing Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- OQUFOZNPBIIJTN-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;sodium Chemical compound [Na].OC(=O)CC(O)(C(O)=O)CC(O)=O OQUFOZNPBIIJTN-UHFFFAOYSA-N 0.000 description 1
- 241001466460 Alveolata Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- HTMIBDQKFHUPSX-UHFFFAOYSA-N methdilazine Chemical group C1N(C)CCC1CN1C2=CC=CC=C2SC2=CC=CC=C21 HTMIBDQKFHUPSX-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/42—Glass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/46—Rock wool ; Ceramic or silicate fibres
- C04B14/4643—Silicates other than zircon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/46—Rock wool ; Ceramic or silicate fibres
- C04B14/4643—Silicates other than zircon
- C04B14/4656—Al-silicates, e.g. clay
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
- C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0625—Polyalkenes, e.g. polyethylene
- C04B16/0633—Polypropylene
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of gypsum base steel structure fireproof protection material containing reinforcing fiber, and flameproof protection material is mixed by mass percentage by following components：82% 95% desulfurated plaster, 3% 15.5% light heat-insulating material, 0.5% 2% reinforcing fiber, 0.1% 0.5% water-loss reducer, 0.1% 1% redispersable latex powder, 0.1% 0.5% retarder and 0.01% 0.1% air entraining agent；The light heat-insulating material is one or both of glass bead, closed-cell expanded perlite, expanded vermiculite or sheet mica；The reinforcing fiber is one or both of glass fibre, sepiolite fibre, alumina silicate fibre or polypropylene fibre.The fire insulation performance of gypsum base steel structure fireproof protection material of the present invention is excellent, and society and economical effects are realized by twice laid.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of gypsum base steel structure fireproofing containing reinforcing fiber is protected
Protective material.
Background technology
With continuing to develop for China's economy, steel construction because its intensity is high, from heavy and light, manufacture simplicity, short construction period, build
Build the features such as industrialization degree is high and obtain increasingly extensive application., at high temperature can be rapid although steel construction itself is non-ignitable
Lose intensity and deform.The critical-temperature of common building steel is generally 540 DEG C, in a fire, and the steel of safeguard measure is not taken
Structure can reach critical-temperature within a few minutes, cause bearing capacity drastically to decline, and cause partial building or all collapse
Damage, therefore steel construction must take corresponding fire prevention measure.For the high residential building that fire resistance rating is one-level,
According to Code for fire protection design of buildings (GB50016-2014) requirement, the fire endurance of load bearing wall and post cannot be below 3 hours, beam
Fire endurance cannot be below 2 hours.The slim of the country, super-thin steel structure fire-proof paint fire resistance are poor at present, it is impossible to
Meet the fire endurance requirement of 3 hours of load bearing wall and post；And there is easy hollowing, open in now conventional thicker fire-resistant coating for steel structure
The shortcomings of splitting, come off, it is coarse, it is necessary to coat decoration that compression strength is generally only surface porosity after 1MPa~1.5MPa, and shaping
Plate or outer cover decorative coating.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of gypsum base steel structure fireproof protection material containing reinforcing fiber.
The fire proofing material is composited by desulfurated plaster, light heat-insulating material and additive etc., available for all kinds of steel buildings
Flameproof protection.By physicochemical property detection and the detection of component fire endurance, product items physical and chemical index and fire protecting performance can
Meet or exceed fire-resistant coating for steel structure standard (GB14907-2002) requirement.
To achieve the above object, the present invention uses following technical scheme：
A kind of gypsum base steel structure fireproof protection material containing reinforcing fiber, it is characterised in that the stone containing reinforcing fiber
Cream base steel structure fireproof protection material is mixed by mass percentage by following components：82%-95% desulfurated plaster, 3%-
15.5% light heat-insulating material, 0.5%-2% reinforcing fiber, 0.1%-0.5% water-loss reducer, 0.1%-1% can be again
The air entraining agent of dispersed latex powder, 0.1%-0.5% retarder and 0.01%-0.1%；
The light heat-insulating material is one kind in glass bead, closed-cell expanded perlite, expanded vermiculite or sheet mica
Or two kinds；The reinforcing fiber is one kind or two in glass fibre, sepiolite fibre, alumina silicate fibre or polypropylene fibre
Kind.
Further, the gypsum base steel structure fireproof protection material of the present invention containing reinforcing fiber is preferably by following components
Mix by mass percentage：89%-94% desulfurated plaster, 4%-9% light heat-insulating material, 0.5%-1% increasing
The water-loss reducer of strong fiber and 0.1%-0.5%, 0.1%-0.3% redispersable latex powder, 0.3%-0.5% retarder,
0.01%-0.05% air entraining agent.
Desulfurated plaster of the present invention is, using the waste residue discharged after power plant's wet desulphurization, to be aged through 160-180 DEG C of calcining
The industrial by-products of gained, main component is CaSO4·1/2H2O。
Further, glass bead of the present invention is made up of techniques such as the expanded, vitreous of nature of glass slag ore in sand form,
Surface vitreous closing, in irregular spherical, inside is the inorganic particulate material of porous cavity structure, and high vitreous rate causes water
Divide and be difficult to enter inside glass bead particle, it is ensured that excellent thermal and insulating performance, and the surface of flat smooth makes after vitreous
Glass bead has good dispersiveness and workability, can meet the requirement of different construction.Glass bead physicochemical property is steady
It is fixed, with the excellent specific property such as light weight, insulation, thermal insulation, fire prevention, high temperature resistant, anti-aging, water absorption rate be small.
The surface vitreous rate of closed hole more than 90% of glass bead of the present invention, volume water absorption rate is below 25%, heap
Product density 80-120kg/m3。
Further, closed-cell expanded perlite of the present invention is by the way of electric furnace heating, by perlite ore
Gradient-heated and the accurate control to the hang time, make product surface melting, stomata closing, inside keep alveolate texture not
Become, profile is in irregular particle shape.Closed-cell expanded perlite not only has conventional expanded perlite light weight, fire prevention, green ring
The advantages of guarantor, also overcome that conventional expanded perlite water absorption rate is big, low intensity, the shortcoming of poor fluidity.
The bulk density 120-150kg/m of closed-cell expanded perlite of the present invention3, volume water absorption rate 50% with
Under, thermal conductivity factor is less than 0.05W/ (mK).
Further, expanded vermiculite of the present invention be by raw material of vermiculite, drying, broken, roasting, in short period
Volume increased dramatically, expand a kind of 6~20 times of golden yellow granular material, with unit weight is light, thermal conductivity factor is small, fire prevention
Anti-corrosion, chemical property be stable, it is nonpoisonous and tasteless the features such as.
Density≤100kg/m of expanded vermiculite of the present invention3, thermal conductivity factor is less than 0.062W/ (mK), aqueous
Rate≤3%.
Further, sheet mica of the present invention is a kind of cheap layer silicate clay, with excellent
Electrical insulating property, heat resistance, water resistance, chemical resistance, elastic and high fissility, have with aqueous fire-proof coating good compatible
Property, the adhesion strength and fire resistance of fireproof coating can be improved.
The thickness of sheet mica of the present invention is 0.5-10 μm, and piece footpath is less than 0.2mm.
Further, glass fibre wide material sources of the present invention, cheap, be currently used for gypsum material enhancing the most
One of universal material.Glass fibre has larger tensile strength and fracture toughness, in stress, gypsum base flameproof protection material
Glass fibre in material can absorb larger energy, suppresses the micro-crack extension of plaster matrix, improves its intensity, is risen meeting fire
Remain to keep preferable integrality, lifting overall fire resistance when warm.
Glass fibre length of the present invention is 1-5mm, 10-15 μm of diameter.
Further, during sepiolite fibre of the present invention is the hydrated mineral clay of fibre morphology, its clustered fiber structure
Containing substantial amounts of nanoscale duct, therefore with good effect of heat insulation.Sepiolite fibre has shrinkage factor low, specific surface area
Greatly, the characteristics of adsorptivity is strong, and have high heat endurance, it is resistant to 1500~1700 DEG C of high temperature.
Sepiolite fibre length of the present invention is 3-8mm, a diameter of 12-18 μm.
Further, alumina silicate fibre of the present invention has that unit weight is light, high temperature resistant, heat endurance are good, and pyroconductivity is low, heat
Hold the advantages of small, resistance to mechanical is vibrated, expanded by heating is small, heat-proof quality is good, be widely used in electric power, metallurgy, chemical industry, the heat of machinery
The insulation of energy equipment.Alumina silicate fibre is omnidirectional, be evenly distributed in coating, spatially network structure, can improve the hole of coating
Gap structure, it is possible to increase fire resistance, mechanical resistant impact, crack resistance, adhesion strength and the freeze thawing of flameproof protection material coating
Deng.
The length of alumina silicate fibre of the present invention is 5-10mm, a diameter of 3-10 μm.
Further, polypropylene fibre of the present invention is a kind of white synthetic plastic fiber, usually pencil monofilament knot
Structure or network structure.Polypropylene fibre is usually used in preventing concrete explosive spalling, after fiber melts at high temperature, forms water vapour
Outer row's passage, it is possible to decrease inside concrete air pressure.With that in the compound incorporation fireproof coating of alumina silicate fibre, can prevent, delay eutectic
Accumulated after point inorganic salts melting in substrate surface and melt drop, prevent coating and base caused by melting the mobility of drop and the deadweight of coating
Material bonding failure, disbonding；The polypropylene fibre of low melting point leaves certain space after high temperature carbonization, reduces coating
Because of internal moisture, air, aggregate, rapidly expanded by heating, hyrate volume contraction, capillary break-up deformation cause coating structure to break
It is bad, significantly improve the anti-crack and anti-seepage and high-temperature explosion-proof performance of coating.
Polypropylene fibre of the present invention is Monofilament polypropylene fibres, and length is 6-9mm.
Further, water-loss reducer of the present invention use range of viscosities for 1.5 ten thousand -6 ten thousand ethoxyl methyl cellulose ether or
Hydroxypropyl methyl cellulose ether.Cellulose ether is a kind of high molecular polymer of tridimensional network, in the network structure of crosslinking
On have the hydrophilic radicals such as many carboxyls, hydroxyl, phthalein amido and ether, when it is contacted with water, these groups will be with moisture
Son is combined into hydrogen bond, and the substantial amounts of moisture of sticking in this way.It can ensure to mix in relatively low water paste ratio using water-loss reducer
Share water not absorbed or evaporated by base course wall, in favor of the abundant aquation of gypsum base material, so as to ensure adhesion strength.
Further, redispersable latex powder of the present invention includes ethylene/vinyl acetate copolymer, vinyl acetate/uncle
One or both of ethylene carbonate copolymer, acrylic copolymer.Mixed in gypsum base flameproof protection material redispersible
Latex powder can be obviously improved its adhesion strength, all have preferable caking property to inorganic and organic materials.
Further, retarder of the present invention is one kind or two in sodium citrate, sodium tripolyphosphate or calgon
Kind.The setting time of semi-hydrated gypsum is very short, typically there was only a few minutes to more than ten minutes, therefore in gypsum base flameproof protection material
Retarder is must be added to, the requirement of normal construction can be met.
Further, air entraining agent of the present invention is one or both of sodium alkyl benzene sulfonate or sodium alklyarylsulfonate.
Ball effect can be played by introducing a certain amount of micro-bubble, reduce resistance, convenient construction.Meanwhile, the addition of air entraining agent is also increased
The paste producing amount of gypsum base flameproof protection material, reduces the usage amount of unit area.
The gypsum base steel structure fireproof protection material containing reinforcing fiber of the present invention is comprised the following steps that in construction：
1st, base treatment：First component surface is thoroughly derusted before construction, brushing twice antirust paint, the structure of brushing antirust paint
Part should by surface dust, degrease etc. (it is required that antirust paint is done solid work, paint film is without damage, it is ensured that the integrality of paint film), keeps base material
The cleaning on surface.
2nd, flameproof protection material is constructed
Construction can be divided into two kinds of the vertical members such as concrete filled steel tube beam combined member, steel core concrete column, steel column and girder steel
Situation：
1) concrete filled steel tube beam combined member, steel core concrete column, steel column flameproof protection coating application：(1) antirust paint is treated
Do solid work and after surface cleaning finishes, in component surface surveying setting-out, then hang same homalographic aperture 30mm, string diameter 1.0mm
Hot-galvanized steel silk screen.Linked network step is:A. using nailing gun in the uniform Φ 4mm of component surface, length 35 or the zinc-plated of 40mm are penetrated
Nail, it is desirable to which nail spacing≤600mm, ailhead is fully entered in steel pipe walls, the outer nail length of steel pipe walls should be maintained at 20-30mm it
Between；B. use galvanizing metal binding wire steel wire colligation on galvanized steel ailhead；C. with reinforcing rod by wire netting warping part partial pressure
It is flat, net is kept 10~35mm or so distance with component surface.(2) flameproof protection coating is poured into mixer by 1：
The 0.63-0.65 ratio of mud, is slowly added water after stirring, and concrete filled steel tube beam combined member or steel core concrete column are carried out
Spraying.During spraying, nozzle distance component surface is preferably (100-200) mm, and keeps nozzle vertical with component surface；Spraying order
From left to right, even application, a spray mo(u)lding from top to bottom.Spray after certain area, it is tentatively levelling to spray-coating surface with floating rule.
There is spillage position to mend slurry spraying in time, it is then levelling to spray-coating surface with floating rule, after after initial set, warehouse before final set, receive light.
2) the flameproof protection material construction of girder steel：(1) after antirust paint is done solid work and surface cleaning is finished, steel beam surface is entered
Row surveying setting-out, and hang aperture 30mm, string diameter 1.0mm hot-galvanized steel silk screen in girder steel lower flange.Linked network step is:Cut out
Steel wire is simultaneously converted into C-shaped upset hanging on girder steel lower flange；Ensure that steel wire is converted into after C-shaped with girder steel with width, and put in per side
Depth >=50mm of lower flange, and keep wire rope net surface to be suspended under girder steel lower flange at 10~20mm.(2) by flameproof protection coating
Pour into mixer by 1：The 0.63-0.65 ratio of mud, slowly adds water after stirring, steel beam surface is sprayed.Spraying
When, nozzle distance steel beam surface is preferably (100-200) mm, and keeps nozzle vertical with surface；Spraying order should be first from girder steel one
Spraying is tamped in ventrolateral compartment, is reached after design size, then sprays another ventrolateral compartment of girder steel, while to the girder steel abdominal cavity face of the first side
Carried out with floating rule preliminary levelling；Treat that the spraying of the ventrolateral compartment of girder steel second is tamped, reach after design size, beam bottom is sprayed, together
When the girder steel abdominal cavity face of the second side is carried out with floating rule it is preliminary levelling；Finally soffit is carried out with floating rule preliminary levelling.Tentatively
After the completion of levelling, observation girder steel abdominal cavity both sides and beam bottom have spillage position to mend slurry spraying in time, then looked for floating rule spray-coating surface
It is flat, after after initial set, warehouse before final set, receive light.
Beneficial effect：It is of the invention compared with existing thicker, slim and super-thin steel structure fire-proof paint, with following excellent
Point：
1) present invention carries out steel structure fireproof protection using gypsum base spraying slurry, the main component gypsum source of slurry in
Industrial Solid Waste desulfurated plaster, with society and economical effects such as cheap, wide material sources, the useless environmental protection of profit.
2) after the completion of flameproof protection construction, the main component of component fireproof jointing sheath is two obtained after semi-hydrated gypsum aquation
Water gypsum (CaSO4·2H2O).With two hydrones, when component is by fire, dihydrate gypsum energy in the molecular structure of dihydrate gypsum
Enough absorb heat and discharge the crystallization water simultaneously, crystallization water evaporation has taken away substantial amounts of heat again, so as to effectively delay structure
Part programming rate.Shown by steel plate by fire experiment, after steel billet temperature reaches 100 degree, due to the crystallization water in dihydrate gypsum
Evaporation, steel plate heating can postpone 30 minutes (fireproof jointing sheath thickness 35mm), illustrate that gypsum base flameproof protection material has excellent
Different fire-proof and thermal-insulation function.
3) by adding light heat-insulating material and air entraining agent in the material, the dry density and thermal conductivity factor of material are reduced,
It further enhancing the fire insulation performance of material；Add binding agent, it is ensured that the cohesive force of material, it is to avoid coating shedding
Problem；Gypsum material has a microdilatancy characteristic when hardening, and hardening post-shrinkage ratio is small, thus with adhesive force it is strong, not hollowing, do not open
The advantage split.Adding reinforcing fiber can play a part of absorbing energy, suppress matrix micro-cracks extension, make gypsum base flameproof protection
Material remains to keep preferable integrality, the overall fire resistance of lifting, cracking resistance and shock resistance when meeting fire heating.
4) gypsum base spraying slurry uses mechanized construction, and speed of application is fast, and labor intensity is low, saves cost of labor.
5) gypsum is in addition to high insulating effect, moreover it is possible to adjust indoor humidity, is referred to as the material that can be breathed, and can improve interior
Living environment.
6) gypsum base spraying slurry hardness is higher, and finishing effect is good, it is not necessary to wrapped again as traditional fireproof coating
Protection and incrustation processing are wrapped up in, and with certain hanging ability.
Embodiment
With reference to specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in
This.
Embodiment 1
A kind of gypsum base steel structure fireproof protection material containing reinforcing fiber, by following weight than component constitute：Shanxi
The desulfurated plaster 82% that Jin Neng Power Groups Co., Ltd provides, the bulk density that Shanghai Qiang Wei insulation materials Co., Ltd provides
120-150kg/m3, volume water absorption rate is below 50%, and thermal conductivity factor is less than 0.05W/ (mK) closed-cell expanded perlite 5%,
Density≤100kg/m that Shijiazhuang Chen Xing Industrial Co., Ltd.s provide3, thermal conductivity factor be less than 0.062W/ (mK), moisture content≤
3% expanded vermiculite 10.5%, the fibre length that Hebei Hong Li sepiolite cashmeres Co., Ltd provides is 3-8mm, a diameter of 12-18
μm sepiolite fibre 2%, the viscosity that Japanese SHIN-ETSU HANTOTAI provides is 30000mPas water-loss reducer ethoxyl methyl cellulose ether
(model EGC168) 0.1%；Redispersable latex powder vinyl acetate/versatic acid ethylene copolymer that Japan's synthesis chemistry is provided
(model DM200) 0.2%；Retarder calgon 0.1%；Air entraining agent sodium alkyl benzene sulfonate 0.1%.
Embodiment 2
A kind of gypsum base steel structure fireproof protection material containing reinforcing fiber, by following weight than component constitute：Shanxi
The desulfurated plaster 94% that Jin Neng Power Groups Co., Ltd provides, the thickness that Lingshou County Tian Ze mineral products processings factory provides is 0.5-
10 μm, piece footpath is less than 0.2mm sheet mica 3%, and the length that Hebei Jing Hang mineral products Co., Ltd provides is 5-10mm, diameter
For 3-10 μm of alumina silicate fibre 0.5%, the length that Changzhou Tianyi Engineering Fiber Co., Ltd. provides is gathered for 6-9mm monofilament
Tacryl 0.5%；The viscosity that DOW Chemical is provided is 15000mPas water-loss reducer ethoxyl methyl cellulose ether (model
For XCS47107) 0.5%；Redispersable latex powder ethylene/vinyl acetate copolymer (the model that wacker chemicals are provided
5010N) 1%；Retarder sodium tripolyphosphate 0.4%；Air entraining agent sodium alkyl benzene sulfonate 0.1%.
Embodiment 3
A kind of gypsum base steel structure fireproof protection material containing reinforcing fiber, by following weight than component constitute：Shanxi
Gloomy perlite applies the surface that Co., Ltd provides in the desulfurated plaster 95% that Jin Neng Power Groups Co., Ltd provides, Xinyang
Vitreous rate of closed hole more than 90%, volume water absorption rate is below 25%, bulk density 80-120kg/m3Glass bead 3.5%, Jiangsu
The length that Condar husband's new material Science and Technology Ltd. provides is 1-5mm, the glass fibre 0.5% of 10-15 μm of diameter, Hercules
The viscosity of its general offer is 60000mPas water-loss reducer ethoxyl methyl cellulose ether 0.39% (model BX165M)；Day
The redispersable latex powder acrylic copolymer (model LDM 7000P) 0.1% that this synthesis chemistry is provided；Retarder citric acid
Sodium 0.5%；Air entraining agent sodium alklyarylsulfonate 0.01%.
Embodiment 4
A kind of gypsum base steel structure fireproof protection material, by following weight than component constitute：Shanxi energy Power Group
Gloomy perlite applies the surface vitreous rate of closed hole that Co., Ltd provides in the desulfurated plaster 89% that Co., Ltd provides, Xinyang
More than 90%, volume water absorption rate is below 25%, bulk density 80-120kg/m3Glass bead 9%, Jiangsu Condar husband's new material
The length that Science and Technology Ltd. provides is 1-5mm, the glass fibre 1% of 10-15 μm of diameter, the viscosity of the general offer of Hercules day
For 40000mPas water-loss reducer hydroxypropyl methyl cellulose ether (model ME6019) 0.35%；Japan's synthesis chemistry is provided
Redispersable latex powder acrylic copolymer (model LDM 7000P) 0.3%；Retarder sodium citrate 0.3%；Air entraining agent
Sodium alklyarylsulfonate 0.05%.
Embodiment 5
A kind of gypsum base steel structure fireproof protection material containing reinforcing fiber, by following weight than component constitute：Shanxi
Jin Neng Power Groups Co., Ltd provide desulfurated plaster 93.5%, Lingshou County Tian Ze mineral products processings factory provide thickness be
0.5-10 μm, piece footpath is less than 0.2mm sheet mica 4%, and the length that Hebei Jing Hang mineral products Co., Ltd provides is 5-10mm,
A diameter of 3-10 μm of alumina silicate fibre 0.5%；The viscosity that DOW Chemical is provided is 15000mPas water-loss reducer ethoxy first
Base cellulose ether (model XCS47107) 0.5%；The redispersable latex powder ethylene/vinyl acetate that wacker chemicals are provided is total to
Polymers (model 5010N) 1%；Retarder sodium tripolyphosphate 0.4%；Air entraining agent sodium alkyl benzene sulfonate 0.1%.
Knowable to sample tests as shown in Table 1, the gypsum base steel structure fireproof protection of the invention containing reinforcing fiber
Material workability is good, and drying time is suitable, beneficial to meeting construction requirement.Every technical performance index meets and exceeds GB
14907-2002 requirement, main outstanding properties show adhesion strength, compression strength, in fire endurance index.It is also right in addition
Fireproof jointing sheath thickness has carried out fire endurance experiment for 35mm steel pipe bundle combined shear wall member, and component loading ratio is
0.65, fire endurance reaches 3.5 hours, has exceeded the fire endurance requirement of 3 hours of load bearing wall and post.
The performance comparison test of table 1
Claims (10)
1. a kind of gypsum base steel structure fireproof protection material containing reinforcing fiber, it is characterised in that the gypsum containing reinforcing fiber
Base steel structure fireproof protection material is mixed by mass percentage by following components：82%-95% desulfurated plaster, 3%-
15.5% light heat-insulating material, 0.5%-2% reinforcing fiber, 0.1%-0.5% water-loss reducer, 0.1%-1% can be again
The air entraining agent of dispersed latex powder, 0.1%-0.5% retarder and 0.01%-0.1%；
The light heat-insulating material is one kind or two in glass bead, closed-cell expanded perlite, expanded vermiculite or sheet mica
Kind；The reinforcing fiber is one or both of glass fibre, sepiolite fibre, alumina silicate fibre or polypropylene fibre.
2. the gypsum base steel structure fireproof protection material as claimed in claim 1 containing reinforcing fiber, it is characterised in that：It is described to protect
Aqua is the ethoxyl methyl cellulose ether or hydroxypropyl methyl cellulose ether that range of viscosities is 1.5 ten thousand -6 ten thousand.
3. the gypsum base steel structure fireproof protection material as claimed in claim 1 containing reinforcing fiber, it is characterised in that：It is described can
Redisperse latex powder includes ethylene/vinyl acetate copolymer, vinyl acetate/versatic acid ethylene copolymer, acrylic copolymer
One or both of.
4. the gypsum base steel structure fireproof protection material as claimed in claim 1 containing reinforcing fiber, it is characterised in that：It is described slow
Solidifying agent is one or both of sodium citrate, sodium tripolyphosphate or calgon.
5. the gypsum base steel structure fireproof protection material as claimed in claim 1 containing reinforcing fiber, it is characterised in that：It is described to draw
Gas agent is one or both of sodium alkyl benzene sulfonate or sodium alklyarylsulfonate.
6. the gypsum base steel structure fireproof protection material as claimed in claim 1 containing reinforcing fiber, it is characterised in that described to contain
The gypsum base steel structure fireproof protection material of reinforcing fiber is preferably mixed by mass percentage by following components：89%-
94% desulfurated plaster, 4%-9% light heat-insulating material, 0.5%-1% reinforcing fiber and 0.1%-0.5% water conservation
Agent, 0.1%-0.3% redispersable latex powder, 0.3%-0.5% retarder, 0.01%-0.05% air entraining agent.
7. the gypsum base steel structure fireproof protection material as claimed in claim 1 containing reinforcing fiber, it is characterised in that：It is described de-
Sulphur gypsum is, using the waste residue discharged after power plant's wet desulphurization, to calcine the industrial by-products obtained by being aged through 160-180 DEG C, mainly
Composition is CaSO4·1/2H2O。
8. the gypsum base steel structure fireproof protection material as claimed in claim 1 containing reinforcing fiber, it is characterised in that：The glass
Change the surface vitreous rate of closed hole more than 90% of microballon, volume water absorption rate is below 25%, bulk density 80-120kg/m3；It is described to close
The bulk density 120-150kg/m of hole expanded perlite3, volume water absorption rate is below 50%, and thermal conductivity factor is less than 0.05W/ (m
K)。
9. the gypsum base steel structure fireproof protection material as claimed in claim 1 containing reinforcing fiber, it is characterised in that：It is described swollen
Density≤100kg/m of swollen vermiculite3, thermal conductivity factor is less than 0.062W/ (mK), moisture content≤3%；The thickness of the sheet mica
Spend for 0.5-10 μm, piece footpath is less than 0.2mm.
10. the gypsum base steel structure fireproof protection material as claimed in claim 1 containing reinforcing fiber, it is characterised in that：It is described
The length of glass fibre is 1-5mm, 10-15 μm of diameter；The length of the sepiolite fibre is 3-8mm, a diameter of 12-18 μm；
The length of the alumina silicate fibre is 5-10mm, a diameter of 3-10 μm；The polypropylene fibre is Monofilament polypropylene fibres, length
For 6-9mm.
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| CN112279616A (en) * | 2020-10-28 | 2021-01-29 | 山东国舜建设集团有限公司 | Gypsum film shell for protecting steel structure, preparation method thereof and protection structure |
| CN112679184A (en) * | 2020-12-28 | 2021-04-20 | 鲁米科技(山东)有限公司 | Gypsum-based non-intumescent fire-retardant coating for steel structure |
| CN114276111A (en) * | 2022-01-20 | 2022-04-05 | 成都上筑建材有限公司 | Non-intumescent phosphogypsum fire retardant coating |
| CN114644499A (en) * | 2022-03-18 | 2022-06-21 | 贵州智慧快刻环保科技有限公司 | Gypsum-based indoor thick steel structure fireproof protection material |
| CN115259816A (en) * | 2022-05-18 | 2022-11-01 | 广西环盛新材料科技有限公司 | Gypsum-based non-expansive steel structure fireproof coating and preparation method thereof |
| CN116514513A (en) * | 2023-05-06 | 2023-08-01 | 西安建筑科技大学 | Aluminum fiber/gypsum composite material with high-temperature stability and preparation and application thereof |
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| CN112279616A (en) * | 2020-10-28 | 2021-01-29 | 山东国舜建设集团有限公司 | Gypsum film shell for protecting steel structure, preparation method thereof and protection structure |
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| CN116514513B (en) * | 2023-05-06 | 2024-03-19 | 西安建筑科技大学 | Aluminum fiber/gypsum composite material with high-temperature stability and preparation and application thereof |
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Application publication date: 20170919 |