CN106699046A - Washing resistant heat insulation and flame retardant material for exterior walls - Google Patents
Washing resistant heat insulation and flame retardant material for exterior walls Download PDFInfo
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- CN106699046A CN106699046A CN201611011262.3A CN201611011262A CN106699046A CN 106699046 A CN106699046 A CN 106699046A CN 201611011262 A CN201611011262 A CN 201611011262A CN 106699046 A CN106699046 A CN 106699046A
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- fibred
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- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000009413 insulation Methods 0.000 title abstract description 12
- 239000003063 flame retardant Substances 0.000 title abstract description 7
- 238000005406 washing Methods 0.000 title abstract description 6
- 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 title abstract 4
- 239000000843 powder Substances 0.000 claims abstract description 29
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000004113 Sepiolite Substances 0.000 claims abstract description 10
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 10
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 10
- 241001474374 Blennius Species 0.000 claims abstract description 9
- 239000010451 perlite Substances 0.000 claims abstract description 9
- 235000019362 perlite Nutrition 0.000 claims abstract description 9
- 239000004816 latex Substances 0.000 claims abstract description 8
- 229920000126 latex Polymers 0.000 claims abstract description 8
- 239000011398 Portland cement Substances 0.000 claims abstract description 7
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 7
- 239000010881 fly ash Substances 0.000 claims abstract description 7
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 30
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 30
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 25
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 16
- 230000003628 erosive effect Effects 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000004048 modification Effects 0.000 claims description 13
- 238000012986 modification Methods 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 12
- 239000010883 coal ash Substances 0.000 claims description 10
- 238000007654 immersion Methods 0.000 claims description 9
- 241000276489 Merlangius merlangus Species 0.000 claims description 8
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 6
- 230000002045 lasting effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- BHTJEPVNHUUIPV-UHFFFAOYSA-N pentanedial;hydrate Chemical compound O.O=CCCCC=O BHTJEPVNHUUIPV-UHFFFAOYSA-N 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 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 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- 239000004568 cement Substances 0.000 claims description 2
- 239000007822 coupling agent Substances 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 244000248349 Citrus limon Species 0.000 claims 1
- 235000005979 Citrus limon Nutrition 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 239000010431 corundum Substances 0.000 abstract 1
- 239000002025 wood fiber Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000005213 imbibition Methods 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- 230000010148 water-pollination Effects 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/948—Fire-proof sealings or joints
-
- 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
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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)
- Structural Engineering (AREA)
- Architecture (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Inorganic Chemistry (AREA)
- Acoustics & Sound (AREA)
- General Chemical & Material Sciences (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a washing resistant heat insulation and flame retardant material for exterior walls. The material is composed of the following components by weight: 80-120 parts of ordinary Portland cement, 50-80 parts of heavy calcium carbonate, 40-50 parts of expanded perlite, 10-20 parts of sepiolite powder, 5-10 parts of corundum powder, 2-4 parts of aluminum hydroxide, 3-5 parts of modified wood fiber, 3-5 parts of redispersible latex powder, 0.3-0.5 part of seaweed powder, and 2-4 parts of modified fly ash. The washing resistant heat insulation and flame retardant material for exterior walls provided by the invention has good exterior wall heat insulation performance, at the same time has the advantages of firmness, difficult deformation, rainwash resistance, weather resistance, and wear resistance, etc., also has excellent fireproof and flame retardant performance and good adhesion, and is free of crack and other phenomena after drying.
Description
Technical field
The present invention relates to building material technical field, more particularly to a kind of exterior wall resistance to erosion heat-insulating fireproof material.
Background technology
Exterior-wall heat insulation is a kind of building thermal-insulation energy-saving technology widelyd popularize at present, and exterior-wall heat insulation can protect body junction
Structure, extends the life-span of building, and the heat for effectively reducing building structure is skilful, does not influence original useful space of building.Currently used for
, from from the point of view of fire-fighting, there is potential huge fire risk in the material of exterior-wall heat insulation, these materials fire protection flame retarding in itself
Can be poor, spread after burning and be exceedingly fast, it is easy to cause the expansion of the intensity of a fire；And with the adhesive property of exterior wall be not to have a strong impact on very well
The effect of exterior-wall heat insulation；In addition, the insulation material of prior art is by after long-term use, it is easily aging by after rainwash,
Yielding, easy to fall off, heat insulation effect can be substantially reduced.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of exterior wall resistance to erosion heat-insulating fireproof material,
While with good exterior-wall heat insulation performance, with it is solid, be unlikely to deform, it is resistance of rainwater washing against, weatherability, wear-resistant etc. excellent
Point, and fire retardant performance is excellent, and cementability is good, is not in the phenomenons such as crack after drying.
The present invention is adopted the following technical scheme that to achieve these goals：
A kind of exterior wall resistance to erosion heat-insulating fireproof material, is made up of the component of following weight portion：Portland cement 80-
120 parts, powdered whiting 50-80 parts, expanded perlite 40-50 parts, sepiolite powder 10-20 parts, schmigel 5-10 parts, hydroxide
Aluminium 2-4 parts, modified 3-5 parts of wood-fibred, redispersible latex powder 3-5 parts, edible seaweed powder 0.3-0.5 parts, modified coal ash 2-4
Part.
Preferably, described exterior wall resistance to erosion heat-insulating fireproof material, is made up of the component of following weight portion：Common silicic acid
100 parts of salt cement, 60 parts of powdered whiting, 45 parts of expanded perlite, 15 parts of sepiolite powder, 6 parts of schmigel, 3 parts of aluminium hydroxide,
Modified 5 parts of wood-fibred, 5 parts of redispersible latex powder, 0.5 part of edible seaweed powder, 3 parts of modified coal ash.
Described modified wood-fibred is prepared by following methods：Montmorillonite is added to the water, lasting stirring causes that montmorillonite is equal
It is even to be dispersed in water, obtain the montmorillonite dispersions that concentration is 5-10g/L；Montmorillonite dispersions obtained by polyvinyl alcohol is added
In, and it is heated to 80 DEG C, and continue stirring until polyvinyl alcohol and be completely dissolved, obtain the modification liquid that polyvinyl alcohol concentration is 5-10g/L；
Then wood-fibred is immersed in gained modification liquid, and continues stirring 10-30 minute, to sieve and leach wood-fibred, and will leached
Wood-fibred is dried to constant weight；In being 2-5% glutaraldehyde water solutions by gained wood-fibred immersion concentration again, and 60 DEG C of holdings are warming up to
10-30 minutes, then sieve and leach wood-fibred, and the wood-fibred drying that will be leached is to constant weight, obtains modified wood-fibred.
Wood-fibred, cheap, with intensity and modulus higher, its longitudinal tensile strength and modulus are respectively reached
198MPa and 21MPa.Timber has natural spiral Reinforced structure, so that wood-fibred has high specific strength and Bi Mo
Amount, and these all make excellent reinforcing material.But due to itself there is great amount of hydroxy group in wood-fibred, thus with very strong
Hydrophily, simultaneously as the loose structure that wood-fibred has in itself causes it to have very strong water imbibition moisture absorption gas, so as to lead
Cause wood-fibred enhancing composite in use, mechanical property reduction easily occurs under hygrothermal environment and size is unstable
Etc. phenomenon.
Modified wood-fibred of the invention, first in wood-fibred adsorption polyvinyl alcohol molecule, then using polyvinyl alcohol
With the high reaction activity of glutaraldehyde cross-linking agent, surface hydrophobicity structure is formed to reduce the water imbibition of wood-fibred, greatly improve modified
The surface substitution value of wood-fibred, can obtain preferable hydrophobic effect afterwards, meanwhile, wood fibre is improved as modifying agent using montmorillonite
Dimension mechanical strength, montmorillonite itself has special laminated structure after fully dispersed, and the structure is that montmorillonite is had in itself
Some microscopic patterns, are dispersed with montmorillonite-based nano particle in modification liquid, while polyvinyl alcohol is dissolved with, when wood-fibred and modification liquid
It is mixed with, polyvinyl alcohol molecule and montmorillonite-based nano particle are adsorbed in surface simultaneously, because polyvinyl alcohol is changing with montmorillonite
Property liquid in be sufficiently mixed, therefore polyvinyl alcohol molecule and the montmorillonite-based nano particle of wood-fibred adsorption also form uniformly
Mixing, then using polyvinyl alcohol and the high reaction activity of glutaraldehyde cross-linking agent, forms surface hydrophobicity structure to reduce wood-fibred
Water imbibition, substantially increase the surface substitution value of modified wood-fibred, preferable hydrophobic effect can be obtained, simultaneously as
Montmorillonite is sufficiently mixed with polyvinyl alcohol, and its laminated structure is dispersed among polyvinyl alcohol substrate, and extension hydrone expands
Dissipating path further reduces the purpose of wood-fibred water imbibition so as to reach.
Montmorillonite dispersions concentration be 5-10g/L, herein limit dispersion liquid concentration because, if concentration is too low be modified effect
It is really limited, if concentration too Gao Zehui causes montmorillonite load amount too high, so as to influence hydrophobic performance；Polyethylene is pure and strong in modification liquid
It is 5-10g/L to spend, herein limiting concentration because, if concentration is too low, after immersion, the polyvinyl alcohol on wood-fibred surface is inhaled
Attached amount is very few, if excessive concentration, can cause modification liquid excessive concentration, is unfavorable for the carrying out of dipping process.
Described modified coal ash is prepared by following steps：First flyash is dried in 100-110 DEG C of baking oven, then will
Flyash after drying is put into high-speed kneading machine, adds aluminate coupling agent, 2-4% equivalent to flyash weight 3-5%
Wooden sodium sulfonate, the triethyl citrate of 2-4%, the talcum powder of the atoleine of 1-2% and 2-5%, after mixed at high speed, dry
Dry, attrition grinding is into superfines.
Exterior wall resistance to erosion heat-insulating fireproof material of the invention can directly be applied to building as mortar when in use
On beyond the region of objective existence wall, reach and be not only incubated but also the effect of energy fire protection flame retarding.
Compared with the prior art, beneficial effects of the present invention are as follows：
Exterior wall of the invention resistance to erosion heat-insulating fireproof material, with Portland cement, powdered whiting, expanded pearlite
Rock, fine perlite are primary raw material, add the fire-retardant fillers such as sepiolite powder, schmigel, can significantly improve the weather-proof of material
Property, anti-flammability and compressive property, sepiolite powder surface distributed are largely nanometer level microporous, and thermal and insulating performance is excellent；Meanwhile, addition
Edible seaweed powder and modified coal ash, hence it is evident that improve the dispersing uniformity of each component, can improve the adhesion intensity of material, do material
Be not in the phenomenons such as crack after dry, and the characteristics of with low cost, excellent effect；The modified wood-fibred of addition, reinforcing material
Intensity, while improving the resistance of rainwater washing against performance and anti-wear performance of material, overcomes the hygroscopic shortcoming of wood-fibred and improves simultaneously
The mechanical property of wood-fibred.Material of the present invention while with good exterior-wall heat insulation performance, with it is solid, be unlikely to deform,
Resistance of rainwater washing against, weatherability, it is wear-resistant the advantages of, and fire retardant performance is excellent, and cementability is good, is not in split after drying
The phenomenons such as seam.
Specific embodiment
The present invention is further illustrated with reference to embodiments, but the present invention is not limited only to these embodiments, not
On the premise of departing from present inventive concept, any improvement made is within the scope of the present invention.
Embodiment 1：
A kind of exterior wall resistance to erosion heat-insulating fireproof material, is made up of the component of following weight portion：Portland cement 80
Part, 80 parts of powdered whiting, 40 parts of expanded perlite, 10 parts of sepiolite powder, 10 parts of schmigel, 2 parts of aluminium hydroxide, innovation wood are fine
3 parts of dimension, 3 parts of redispersible latex powder, 0.3 part of edible seaweed powder, 4 parts of modified coal ash.
Described modified wood-fibred is prepared by following methods：Montmorillonite is added to the water, lasting stirring causes that montmorillonite is equal
It is even to be dispersed in water, obtain the montmorillonite dispersions that concentration is 5g/L；In montmorillonite dispersions obtained by polyvinyl alcohol is added,
And it is heated to 80 DEG C, and continue stirring until polyvinyl alcohol and be completely dissolved, obtain the modification liquid that polyvinyl alcohol concentration is 5g/L；Then will
In wood-fibred immersion gained modification liquid, and continue stirring 30 minutes, sieving leaches wood-fibred, and the wood-fibred drying that will be leached
To constant weight；Again by gained wood-fibred immersion concentration be 2% glutaraldehyde water solution in, and be warming up to 60 DEG C keep 30 minutes, then
Sieving leaches wood-fibred, and the wood-fibred drying that will be leached is to constant weight, obtains modified wood-fibred.
Embodiment 2：
A kind of exterior wall resistance to erosion heat-insulating fireproof material, is made up of the component of following weight portion：Portland cement 100
Part, 60 parts of powdered whiting, 45 parts of expanded perlite, 15 parts of sepiolite powder, 6 parts of schmigel, 3 parts of aluminium hydroxide, innovation wood are fine
5 parts of dimension, 5 parts of redispersible latex powder, 0.5 part of edible seaweed powder, 3 parts of modified coal ash.
Described modified wood-fibred is prepared by following methods：Montmorillonite is added to the water, lasting stirring causes that montmorillonite is equal
It is even to be dispersed in water, obtain the montmorillonite dispersions that concentration is 8g/L；In montmorillonite dispersions obtained by polyvinyl alcohol is added,
And it is heated to 80 DEG C, and continue stirring until polyvinyl alcohol and be completely dissolved, obtain the modification liquid that polyvinyl alcohol concentration is 8g/L；Then will
In wood-fibred immersion gained modification liquid, and continue stirring 20 minutes, sieving leaches wood-fibred, and the wood-fibred drying that will be leached
To constant weight；Again by gained wood-fibred immersion concentration be 3% glutaraldehyde water solution in, and be warming up to 60 DEG C keep 20 minutes, then
Sieving leaches wood-fibred, and the wood-fibred drying that will be leached is to constant weight, obtains modified wood-fibred.
Embodiment 3：
A kind of exterior wall resistance to erosion heat-insulating fireproof material, is made up of the component of following weight portion：Portland cement 120
Part, 50 parts of powdered whiting, 50 parts of expanded perlite, 20 parts of sepiolite powder, 5 parts of schmigel, 4 parts of aluminium hydroxide, innovation wood are fine
5 parts of dimension, 5 parts of redispersible latex powder, 0.5 part of edible seaweed powder, 4 parts of modified coal ash.
Described modified wood-fibred is prepared by following methods：Montmorillonite is added to the water, lasting stirring causes that montmorillonite is equal
It is even to be dispersed in water, obtain the montmorillonite dispersions that concentration is 10g/L；Montmorillonite dispersions obtained by polyvinyl alcohol is added
In, and it is heated to 80 DEG C, and continue stirring until polyvinyl alcohol and be completely dissolved, obtain the modification liquid that polyvinyl alcohol concentration is 10g/L；So
Wood-fibred is immersed in gained modification liquid afterwards, and continues stirring 10 minutes, sieving leaches wood-fibred, and the wood-fibred that will be leached
Dry to constant weight；Again by gained wood-fibred immersion concentration be 5% glutaraldehyde water solution in, and be warming up to 60 DEG C keep 10 minutes,
Then sieve and leach wood-fibred, and the wood-fibred drying that will be leached is to constant weight, obtains modified wood-fibred.
Test example：
To the exterior wall of the present invention performance test of resistance to erosion heat-insulating fireproof material, as shown in table 1：
Table 1：
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Thermal conductivity factor (w/m*k) | 0.021 | 0.020 | 0.023 |
| Compression performance (KPa) | 185 | 182 | 186 |
| Stability | 1.2 | 1.3 | 1.1 |
| Water absorption rate (%) | 1.6 | 1.8 | 1.7 |
| Fire resistance | B2 | B2 | B2 |
Claims (4)
1. a kind of exterior wall resistance to erosion heat-insulating fireproof material, it is characterised in that：It is made up of the component of following weight portion：Common silicic acid
Salt cement 80-120 parts, powdered whiting 50-80 parts, expanded perlite 40-50 parts, sepiolite powder 10-20 parts, schmigel 5-10
Part, aluminium hydroxide 2-4 part, modified 3-5 parts of wood-fibred, redispersible latex powder 3-5 parts, edible seaweed powder 0.3-0.5 parts, be modified powder
Coal ash 2-4 parts.
2. exterior wall according to claim 1 resistance to erosion heat-insulating fireproof material, it is characterised in that：By the group of following weight portion
It is grouped into：100 parts of Portland cement, 60 parts of powdered whiting, 45 parts of expanded perlite, 15 parts of sepiolite powder, schmigel 6
Part, 3 parts of aluminium hydroxide, modified 5 parts of wood-fibred, 5 parts of redispersible latex powder, 0.5 part of edible seaweed powder, 3 parts of modified coal ash.
3. exterior wall according to claim 1 resistance to erosion heat-insulating fireproof material, it is characterised in that：Described modified wood-fibred
Prepared by following methods：Montmorillonite is added to the water, lasting stirring causes that montmorillonite is dispersed in water, obtains concentration for 5-
The montmorillonite dispersions of 10g/L；In montmorillonite dispersions obtained by polyvinyl alcohol is added, and it is heated to 80 DEG C, lasting stirring
It is completely dissolved to polyvinyl alcohol, obtains the modification liquid that polyvinyl alcohol concentration is 5-10g/L；Then it is wood-fibred immersion gained is modified
In liquid, and continue stirring 10-30 minutes, sieving leaches wood-fibred, and the wood-fibred that will be leached is dried to constant weight；Again by gained
Wood-fibred immersion concentration be 2-5% glutaraldehyde water solutions in, and be warming up to 60 DEG C keep 10-30 minute, then sieve will wood fibre
Dimension is leached, and the wood-fibred drying that will be leached is to constant weight, obtains modified wood-fibred.
4. exterior wall according to claim 1 resistance to erosion heat-insulating fireproof material, it is characterised in that：Described modified coal ash
Prepared by following steps：First flyash is dried in 100-110 DEG C of baking oven, then the flyash after drying is put into and is pinched at a high speed
In conjunction machine, aluminate coupling agent, the wooden sodium sulfonate of 2-4%, the lemon of 2-4% equivalent to flyash weight 3-5% are added
The talcum powder of triethylenetetraminehexaacetic acid ester, the atoleine of 1-2% and 2-5%, after mixed at high speed, dries, and attrition grinding is into superfines
Can.
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Application publication date: 20170524 |