CN105016680A - Fireproof rendering coat mortar and preparation method and application thereof - Google Patents
Fireproof rendering coat mortar and preparation method and application thereof Download PDFInfo
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- CN105016680A CN105016680A CN201510400260.2A CN201510400260A CN105016680A CN 105016680 A CN105016680 A CN 105016680A CN 201510400260 A CN201510400260 A CN 201510400260A CN 105016680 A CN105016680 A CN 105016680A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000004570 mortar (masonry) Substances 0.000 title abstract description 10
- 238000009877 rendering Methods 0.000 title abstract 4
- 239000000843 powder Substances 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- -1 hydroxypropyl methyl Chemical group 0.000 claims abstract description 15
- 239000004576 sand Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 10
- 239000011398 Portland cement Substances 0.000 claims abstract description 8
- 229920000715 Mucilage Polymers 0.000 claims description 57
- 239000000853 adhesive Substances 0.000 claims description 57
- 230000002265 prevention Effects 0.000 claims description 48
- 239000003063 flame retardant Substances 0.000 claims description 24
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 229910021487 silica fume Inorganic materials 0.000 claims description 11
- 239000004816 latex Substances 0.000 claims description 10
- 229920000126 latex Polymers 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical group [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 4
- 239000000839 emulsion Substances 0.000 abstract description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 2
- 229920002678 cellulose Polymers 0.000 abstract description 2
- 239000001913 cellulose Substances 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract description 2
- 239000011863 silicon-based powder Substances 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 239000002025 wood fiber Substances 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 15
- 239000004568 cement Substances 0.000 description 12
- 238000012360 testing method Methods 0.000 description 9
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- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000002956 ash Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 4
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- 238000009413 insulation Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 230000002742 anti-folding effect Effects 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
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- 238000002474 experimental method Methods 0.000 description 2
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- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
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- 229920002223 polystyrene Polymers 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 210000003765 sex chromosome Anatomy 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- SJRXVLUZMMDCNG-UHFFFAOYSA-N Gossypin Natural products OC1C(O)C(O)C(CO)OC1OC1=C(O)C=C(O)C2=C1OC(C=1C=C(O)C(O)=CC=1)=C(O)C2=O SJRXVLUZMMDCNG-UHFFFAOYSA-N 0.000 description 1
- 241000276489 Merlangius merlangus Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- SJRXVLUZMMDCNG-KKPQBLLMSA-N gossypin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=C(O)C=C(O)C2=C1OC(C=1C=C(O)C(O)=CC=1)=C(O)C2=O SJRXVLUZMMDCNG-KKPQBLLMSA-N 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 229960003943 hypromellose Drugs 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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- 229910052863 mullite Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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- 238000005204 segregation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000000438 stratum basale Anatomy 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
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Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a fireproof rendering coat mortar and a preparation method and application thereof. The fireproof rendering coat mortar consists of the following components in parts by weight: 280-310 parts of 425R ordinary Portland cement, 540-560 parts of dry sand, 50-100 parts of heavy calcium carbonate, 5-8 parts of micro-silicon powder, 3-6 parts of cellulose hydroxypropyl methyl, 12-15 parts of re-dispersible polymer emulsion powder, 2-5 parts of 7-11 mm polypropylene fiber, 2-3 parts of 7-11 glassfiber, 2-5 parts of wood fiber, 30-36 parts of fireproof powder and 180-210 parts of water. The fireproof rendering coat mortar reaches good synergistic effect through appropriate proportioning of components, is high in bonding strength and high in anti-cracking performance, and has good fire resistance.
Description
Technical field
The present invention relates to a kind of fire prevention finishing mucilage, belong to coating material for building, particularly the finishing mucilage of external wall insulation protective layer.
Background technology
When the lagging material of outer wall heat preservation system adopts non-combustible material or do not have the flame retardant material of propagating flame, generally there is not fire safety sex chromosome mosaicism in outer wall heat preservation system.But what the use of current China was maximum is the high molecular foam material with high-efficiency insulated heat insulating function, based on polystyrene foamed plastics and hard polyurethane foam.Because high molecular foam material has the danger of initiation fire, the widely used fire resistance of flammable or inflammable organic insulation material to system based on polystyrene foam and hard polyurethane foam of outer wall heat preservation system exerts a decisive influence, and becomes the cause of outer wall heat preservation system fire safety sex chromosome mosaicism.Therefore the fire safety performance of outer wall heat preservation system has become the safety problem riveted the attention from all fields.
Finishing mucilage is the surface being applied in buildings and component surface and base material, plays protection basic unit, has the rubber cement of certain ornamental effect.Finishing mucilage is mainly used in the cracking resistance protective layer in heat-insulation system outside thermal insulation layer, is also referred to as polymkeric substance finishing mucilage.Finishing mucilage has following characteristics: not bearing load; Float coat and stratum basale will have enough cohesive strengths, make it in construction process or do not come off under long-term deadweight and environmental activity, do not ftracture; Float coat mostly is thin layer; Be used for dry environment, big area is exposed in air.Finishing mucilage is required it is not ultimate compression strength, but workability and the cohesive force with base material thereof.Workability requires that it easily smears uniformly smooth thin layer, constructability.Cohesive force requires that it can bond firmly with ground, long-term unlikely cracking or come off, and is in wet environment or is subject to External Force Acting position (as ground and dado etc.), also should have higher water tolerance and intensity.But the finishing mucilage used in the market does not have fire line or fire resistance is not good, there is certain potential safety hazard.
Summary of the invention
In view of this, object of the present invention provides a kind of fire prevention finishing mucilage, and not only cohesive strength is large for this finishing mucilage, cracking resistance ability is strong, and has good flame retardant resistance.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of fire prevention finishing mucilage, composed of the following components: the 425R ordinary Portland cement of 280-310 mass parts, the oven dry sand of 540-560 mass parts, the water-ground limestone of 50-100 mass parts, the SILICA FUME of 5-8 mass parts, the Vltra tears of 3-6 mass parts, the redispersable latex powder of 12-15 mass parts, the polypropylene fibre of 2-5 mass parts 7-11mm, the glass fibre of 2-3 mass parts 7-11mm, the wood fibre of 2-5 mass parts, the fire prevention powder of 25-36 mass parts, the water of 180-210 mass parts.
Further, described fire prevention finishing mucilage is composed of the following components: the 425R ordinary Portland cement of 300 mass parts, the oven dry sand of 550 mass parts, the water-ground limestone of 75 mass parts, the SILICA FUME of 6 mass parts, the Vltra tears of 5 mass parts, the redispersable latex powder of 13 mass parts, 3 mass parts length are polypropylene fibre, the glass fibre of 2.5 mass parts, the wood fibre of 4 mass parts, the fire prevention powder of 33 mass parts, the water of 200 mass parts of 7-11mm.
Described SILICA FUME is also silicon ash or poly-silicon ash, be iron alloy when smelting duriron and industrial silicon (Pure Silicon Metal), what produce in ore-smelting furnace has beaten the very strong SiO of volatility
2precipitate with air rapid oxidation condensation after discharge with Si gas.In the concrete of cement based, mortar and refractory material casting material, mix appropriate SILICA FUME, can function as follows: significantly improve resistance to compression, anti-folding, impervious, anticorrosion, shock resistance and wear resisting property; Have water conservation, prevent segregation, bleeding, significantly reduce the effect of concrete pumping resistance; In the work-ing life of significant prolongation concrete, particularly under the severe environment such as villiaumite system erosion, sulphate attack, high humidity, the weather resistance of concrete can be made to double even several times; Significantly reduce the ash that lands of jetting cement and mould material, improve single jetting thickness; The necessary composition of High Strength Concrete, the engineer applied of existing C150 concrete; Have effect of about 5 times of cement, in ordinary concrete and Low Cement Castable, application can reduce costs, improve weather resistance; Effectively prevent concrete alkali-aggregate reaction; Improve the compactness of casting type refractory materials, with Al
2o
3and when depositing, more easily generate mullite phase, make its hot strength, shaking property of heat resistanceheat resistant strengthens; There is extremely strong volcano ash effect, during mixed concrete, can with hydrolysis product of cement Ca (OH)
2secondary reaction of hydration occurs, and form gelled product, filling concrete stone structure, improves the microtexture of slurry, improves mechanical property and the weather resistance of hardenite; SILICA FUME is unformed spherical particle, can improve concrete rheological property; The average particle size particle size of SILICA FUME is smaller, has good filling effect, can be filled between cement granules space, improves concrete strength and weather resistance.
Described water-ground limestone, mechanically directly pulverizes natural calcite, Wingdale, chalk, shell etc. and obtains.Because its settling volume (1.1-1.9mL/g) is less than the light calcium carbonate settling volume (2.4-2.8mL/g) chemically produced, be therefore called as water-ground limestone.In formula of the present invention, coarse whiting, as stopping composition, plays a part to reduce production cost, the toughness increasing product and intensity.
Described redispersable latex powder is the powder of the spray-dried rear formation of polymer emulsion, also claims dry powder glue.This powder can be reduced into emulsion rapidly after contact with water, and keeps the character identical with initial latex, and namely after moisture evaporation, this film has high-flexibility, high-weatherability and the high-adhesion to various base material.In formula of the present invention, redispersable latex powder plays following effect: be added in 7-10 days film forming in cement, body of wall and mortar clenched, prevents mortar from ftractureing time uneven in temperature; Adhesive property and the cohesion of material can be improved; Reduce shaping Young's modulus; The elasticity of strongthener and flexural strength; Improve shock-resistance and the weathering resistance of material; Reduce the water-absorbent of material and improve the water-retentivity of use procedure.
Described wood fibre is that natural timber is through chemically treated organic fibre, outward appearance is flocculence, in white or canescence, by screening, division, pyroprocessing, bleaching, chemical treatment, neutralize, be sieved into different lengths and thickness to adapt to the needs of different application material.Wood fibre has good toughness, dispersiveness and chemical stability, and water-retaining capacity is strong, has very excellent thickening resistance to cleavage.
Further, the length of described polypropylene fibre is 9mm.Described polypropylene fibre is the synthon that the isotatic polypropylene obtained with polypropylene polymerization is copied for raw material.Polypropylene fibre has the following advantages: density is 0.90-0.92 g/cm
3, be the lightest in all man-made fiber; Intensity is high, good springiness, wear-resisting, corrosion-resistant; Wear resistance and rebound resilience good, intensity is similar with polyamide fibre to terylene; Chemical proofing is better than general fiber; There is electrical insulating property and heat retention.Polypropylene fibre can be divided into macrofiber, staple fibre, spin glutinous non-woven fabrics, melt spraying non-woven fabrics etc.Be 1.5-200mm as concrete staple length.Polypropylene fibre has splendid dispersiveness and the bond stress with cement matrix in concrete, and resistance to deterioration is good, can ensure to play effect for a long time in concrete.Described glass fibre is a kind of ceramic of excellent performance, and main component is silicon-dioxide, aluminum oxide, calcium oxide, boron oxide, magnesium oxide, sodium oxide etc.Glass fibre has good insulating, thermotolerance is strong, erosion resistance good, physical strength advantages of higher.
Further, described specification of drying sand is 70-140 order.Described oven dry sand can form stronger bonding force with cement slurry, strengthens anti-folding, the ultimate compression strength of slurry, is conducive to the raising of polystyrene granule insulating mortar bulk strength.
Further, the viscosity of described Vltra tears is 200,000 mPas.Described Vltra tears, has another name called hypromellose, HPMC, and English abbreviation is HPMC.Be select the gossypin of high purity as raw material, obtain through special etherificate in the basic conditions.Vltra tears makes mortar have pumping as the water-holding agent of sand-cement slurry, retardant.At slurry of plastering, gypsum material, putty powder or other building materials as tamanori, smear can be improved and extend operable time.As sticking brick, marble, decorative plastic, paste toughener, can also cement consumption be reduced.The water retention property of HPMC makes slurry because of so dry that to chap too soon, can not strengthen the rear intensity of sclerosis after smearing.
Further, described fire prevention powder is inorganic additive flame retardant.Further, the main component of described inorganic additive flame retardant is magnesium hydroxide or aluminium hydroxide.Described fire prevention powder and fire retardant, be the functional aid can giving polymkeric substance flame retardancy, can be divided into additive flame retardant and reactive flame retardant according to using method.Additive flame retardant joins in polymkeric substance by mechanical mix techniques, makes polymkeric substance have flame retardant resistance.Current additive flame retardant mainly contains organic fire-retardant and inorganic combustion inhibitor.Some fire retardants that organic fire-retardant is is representative with bromine system, phosphorus nitrogen system and red phosphorus and compound, inorganic combustion inhibitor is the flame-retardant system such as antimonous oxide, magnesium hydroxide, aluminium hydroxide, silicon system mainly.
The preparation of described fire prevention finishing mucilage comprises the following steps: weigh by raw material ratio, is then inserted by starting material in feed bin and carries out mixing and fully stirring, fire prevention finishing mucilage.
The present invention also aims to provide the application of described fire prevention finishing mucilage in fire protection coating, this fire prevention finishing mucilage is used for external wall insulation.Not only cohesive strength is large for this this finishing mucilage of fire prevention finishing mucilage, cracking resistance ability is strong, and has good flame retardant resistance.
Advantageous Effects of the present invention is:
Fire prevention finishing mucilage of the present invention, reaches good synergy by the proportioning that each component is suitable, and the aspects such as ultimate compression strength, cohesive strength, Young's modulus, shrinking percentage are functional, and cohesive strength is large, and cracking resistance ability is strong, also has good flame retardant resistance simultaneously.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below embodiments of the invention are described in detail.
embodiment 1
A kind of fire prevention finishing mucilage, composed of the following components: the 425R ordinary Portland cement of 280 mass parts, the oven dry sand of 560 mass parts, the water-ground limestone of 50 mass parts, the SILICA FUME of 5 mass parts, the Vltra tears of 6 mass parts, the redispersable latex powder of 15 mass parts, 2 mass parts length are polypropylene fibre, 2 mass parts 7-11mm glass fibre, the wood fibre of 2 mass parts, the fire prevention powder of 25 mass parts, the water of 180 mass parts of 7mm.
Described fire prevention finishing mucilage is concrete preparation method comprise the following steps: weigh by raw material ratio, then inserted by starting material in feed bin and carries out mixing and fully stirring, fire prevention finishing mucilage.
embodiment 2
A kind of fire prevention finishing mucilage, composed of the following components: the 425R ordinary Portland cement of 310 mass parts, the oven dry sand of 540 mass parts, the water-ground limestone of 100 mass parts, the SILICA FUME of 8 mass parts, the Vltra tears of 3 mass parts, the redispersable latex powder of 12 mass parts, 5 mass parts length are polypropylene fibre, the glass fibre of 3 mass parts 11mm, the wood fibre of 5 mass parts, the fire prevention powder of 36 mass parts, the water of 210 mass parts of 11mm.
Concrete preparation method is identical with embodiment 1 for described fire prevention finishing mucilage.
embodiment 3
A kind of fire prevention finishing mucilage, composed of the following components: the 425R ordinary Portland cement of 300 mass parts, the oven dry sand of 550 mass parts, the water-ground limestone of 75 mass parts, the SILICA FUME of 6 mass parts, the Vltra tears of 5 mass parts, the redispersable latex powder of 13 mass parts, 3 mass parts length are polypropylene fibre, the glass fibre of 2.5 mass parts 9mm, the wood fibre of 4 mass parts, the fire prevention powder of 33 mass parts, the water of 200 mass parts of 9mm.
Concrete preparation method is identical with embodiment 1 for described fire prevention finishing mucilage.
embodiment 4
The alkylphenol polyoxyethylene emulsifying agent of the pH adjusting agent of the benzene emulsion of 10 mass parts, 0.5 mass parts, 0.05 mass parts, the ether of cellulose of 1.00 mass parts are fully mixed and stir, finishing mucilage.
embodiment 5
The water-resisting agent of the anti-sag agent of the dispersion agent of the hardening accelerator of the water-holding agent of the flyash of the dry sand of the silicate cement of 20 mass parts, 38 mass parts, 30 mass parts, 0.4 mass parts, 0.5 mass parts, 1.0 mass parts, 0.1 mass parts, 0.5 mass parts, the water of 38 mass parts are stirred, finishing mucilage.
embodiment 6the performance test of fire prevention finishing mucilage
The fire prevention finishing mucilage that embodiment 1-3 is obtained and embodiment 4(control group 1) and the finishing mucilage that obtains of embodiment 5 (control group 2) carry out performance test, test result is as shown in the table:
Note: in upper table, ultimate compression strength, cohesive strength, Young's modulus, shrinking percentage are according to People's Republic of China's chemical industry standard " building mortar fundamental property experimental technique JGJ70-2009 " test, and total fuel value, burning net thermal value are tested according to " material of construction combustion heat value test method GBT14402-2007 ".
Above-mentioned ultimate compression strength, cohesive strength, Young's modulus, shrinking percentage are the ultimate compression strength of finishing mucilage, the index parameter of resistance to cleavage of evaluating preparation.From above-mentioned test result, fire prevention finishing mucilage ultimate compression strength prepared by the present invention, Young's modulus, the forthright index of contraction and control group are approximate, and cohesive strength is better than control group.Prove thus, fire prevention finishing mucilage cohesive strength of the present invention is large, has good cracking resistance.Gross heat of combustion value, the burning net thermal value index of fire prevention finishing mucilage prepared by the present invention are significantly less than control group 1(embodiment 4) and control group 2(embodiment 5), i.e. the flame retardant resistance performance of the fire prevention finishing mucilage of the present invention's acquisition is obviously better than control group.Prove thus, fire prevention finishing mucilage of the present invention has good flame retardant resistance.
In order to verify that the flame retardant resistance of finishing mucilage is glued in obtained fire prevention more intuitively, to the fire prevention finishing mucilage that embodiment 1-3 obtains, and the finishing mucilage (being respectively control group 1 and control group 2) that embodiment 4 and 5 obtains carries out performance test.During test, in order to accelerate experiment process and speed, spread upon on warming plate by the finishing mucilage of acquisition, warming plate is placed after 5 days and is carried out flame retardant resistance test.During test, by finishing mucilage layer and flame contact, temperature is 750 DEG C, and the test duration is 25s.Observe with or without burning, melting or dropping etc., test result is as follows:
From test result, the flame retardant resistance performance of fire prevention finishing mucilage of the present invention is obviously better than embodiment 4(control group 1) and 5(control group 2) finishing mucilage that obtains.Prove, while the finishing mucilage that the present invention obtains has good splitting resistance, to there is good flame retardant resistance thus.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, those of ordinary skill in the art is to be understood that, can modify to technical scheme or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. a fire prevention finishing mucilage, is made up of the component of following mass parts: the 425R ordinary Portland cement of 280-310 mass parts, the oven dry sand of 540-560 mass parts, the water-ground limestone of 50-100 mass parts, the SILICA FUME of 5-8 mass parts, the Vltra tears of 3-6 mass parts, the redispersable latex powder of 12-15 mass parts, the polypropylene fibre of 2-5 mass parts 7-11mm, the glass fibre of 2-3 mass parts 7-11mm, the wood fibre of 2-5 mass parts, the fire prevention powder of 30-36 mass parts, the water of 180-210 mass parts.
2. fire prevention finishing mucilage according to claim 1, is characterized in that: be made up of the component of following weight part: the 425R ordinary Portland cement of 300 mass parts, the oven dry sand of 550 mass parts, the water-ground limestone of 75 mass parts, the SILICA FUME of 6 mass parts, the Vltra tears of 5 mass parts, the redispersable latex powder of 13 mass parts, 3 mass parts length are polypropylene fibre, the glass fibre of 2.5 mass distribution, the wood fibre of 4 mass parts, the fire prevention powder of 33 mass parts, the water of 200 mass parts of 7-11mm.
3. fire prevention finishing mucilage according to claim 1 and 2, is characterized in that: the length of described polypropylene fibre or glass fibre is 9mm.
4. fire prevention finishing mucilage according to claim 1, is characterized in that: described specification of drying sand is 70-140 order.
5. fire prevention finishing mucilage according to claim 1, is characterized in that: the viscosity of described Vltra tears is 200,000 mPas.
6. fire prevention finishing mucilage according to claim 1, is characterized in that: described fire prevention powder is inorganic additive flame retardant.
7. fire prevention finishing mucilage according to claim 6, is characterized in that: the main component of described inorganic additive flame retardant is magnesium hydroxide or aluminium hydroxide.
8. prepare the method for finishing mucilage of preventing fires as defined in claim 1, it is characterized in that: the preparation of described fire prevention finishing mucilage comprises the following steps: weigh by raw material ratio, then starting material are inserted in feed bin and carry out mixing and fully stirring, fire prevention finishing mucilage.
9. the application of fire prevention finishing mucilage in warming plate as described in any one of claim 1 to 7.
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Application publication date: 20151104 |