CN105948642B - The modified expanded perlite insulation board and its production method of a kind of hydrophobic - Google Patents
The modified expanded perlite insulation board and its production method of a kind of hydrophobic Download PDFInfo
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- CN105948642B CN105948642B CN201610280632.7A CN201610280632A CN105948642B CN 105948642 B CN105948642 B CN 105948642B CN 201610280632 A CN201610280632 A CN 201610280632A CN 105948642 B CN105948642 B CN 105948642B
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- expanded perlite
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- insulation board
- hydrophobic
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- 239000010451 perlite Substances 0.000 title claims abstract description 116
- 235000019362 perlite Nutrition 0.000 title claims abstract description 116
- 238000009413 insulation Methods 0.000 title claims abstract description 66
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 21
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims abstract description 20
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000654 additive Substances 0.000 claims abstract description 19
- 230000000996 additive effect Effects 0.000 claims abstract description 19
- 239000004568 cement Substances 0.000 claims abstract description 19
- 239000010881 fly ash Substances 0.000 claims abstract description 17
- 239000000440 bentonite Substances 0.000 claims abstract description 14
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 14
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000006185 dispersion Substances 0.000 claims abstract description 13
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 13
- 239000000292 calcium oxide Substances 0.000 claims abstract description 12
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 12
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 6
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 6
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 6
- 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 abstract description 6
- 239000000463 material Substances 0.000 claims description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000001007 puffing effect Effects 0.000 claims description 6
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 5
- 239000012467 final product Substances 0.000 claims description 5
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 5
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 229920003091 Methocel™ Polymers 0.000 claims 1
- 235000012216 bentonite Nutrition 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 235000010755 mineral Nutrition 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 abstract description 2
- 239000004035 construction material Substances 0.000 abstract description 2
- 235000012054 meals Nutrition 0.000 abstract description 2
- 231100000614 poison Toxicity 0.000 abstract description 2
- 230000007096 poisonous effect Effects 0.000 abstract description 2
- -1 hydroxypropyl methyl Chemical group 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000012774 insulation material Substances 0.000 description 4
- 210000000278 spinal cord Anatomy 0.000 description 4
- 239000004566 building material Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 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 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000370738 Chlorion Species 0.000 description 1
- 241001640558 Cotoneaster horizontalis Species 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- MZSDGDXXBZSFTG-UHFFFAOYSA-M sodium;benzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=CC=C1 MZSDGDXXBZSFTG-UHFFFAOYSA-M 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification 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
- C04B28/02—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
-
- 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
- C04B20/04—Heat treatment
- C04B20/06—Expanding clay, perlite, vermiculite or like granular 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
- 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
- C04B20/10—Coating or impregnating
- C04B20/1051—Organo-metallic compounds; Organo-silicon compounds, e.g. bentone
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The invention discloses the modified expanded perlite insulation board and its production method of a kind of hydrophobic, include the component of following parts by weight meter：10 20 parts of 20 30 parts of cement, 58 parts of flyash, 25 parts of propyl trimethoxy silicane, 5 10 parts of polyacrylate dispersion, 50 70 parts of modified expanded perlite, 0.7 2.9 parts of neopelex, 5 10 parts of additive, 13 parts of quick lime, 0.1 0.5 parts of PP fibers, 0.5 2 parts of hydroxypropyl methyl cellulose, 5 10 parts of bentonite and water.Modified expanded perlite insulation board of the present invention is effectively utilized industrial and mineral dead meal using cement, flyash, bentonite, PP fibers and other organic and inorganic things as raw material, and without addition poisonous and harmful substance, it is environmentally protective.The raw material sources of modified expanded perlite insulation board of the present invention are extensive, cost is low, simple production process, easily operated, disclosure satisfy that the demand of different construction materials, have good social and economic benefit.
Description
Technical field
The present invention relates to the modified expanded perlite insulation board and its production method of a kind of hydrophobic, belong to building material technology
Field.
Background technology
Building energy conservation is the industry that national industrial policies are given special assistance to.At present, energy-saving building materials are broadly divided into inorganic guarantor
The warm light bone material of lightweight aggregate and organic heat-insulating, but the characteristics of due to chemical material matter, whether inorganic system or organic
System, can not all take into account the requirement of properties of heat preservation and energy saving and security against fire at the same time：For heat-insulating property, organic material is better than nothing
Machine material；Consider from Performance-based fire, A grades of anti-flammability thermal insulation materials are only selection again.In recent years, inorganic heat insulation material
For middle expanded perlite with its excellent fire retardancy energy, the advantage such as environmentally safe is just progressively becoming the head of inorganic external wall thermal-insulation material
Choosing.
Expanded perlite as a kind of nonmetallic mineral material, be widely used in building, metallurgy, oil, chemical industry, light industry,
The fields such as electric power, transport and agricultural.1.27 hundred million tons of District, Xinyang Area, Henan Province spinal cord perlite mineral reserve proved reserves, occupy " Asia first, generation
Boundary the second ", accounts for more than the 70% of China's perlite commercial reserves.In building trade, by spherical the closing of Xinyang Normal College's research
After hole perlite realizes industrialization, expanded perlite is just widely used in the light bone material of external wall insulation.But due to each
Kind reason, the application of expanded perlite thermal-nsulation plate also suffer from some limitations.
The content of the invention
The technical problems to be solved by the invention are to provide modified expanded perlite insulation board and its production of a kind of hydrophobic
Method, the modified expanded perlite insulation board have fire protecting performance is superior, light, intensity is high, thermal conductivity factor is low, water absorption rate is low,
Pliability is good, the features such as having good workability.
To achieve these goals, the technical solution adopted in the present invention is to provide a kind of modified expanded perlite of hydrophobic
Thermal insulation board, includes the component of following parts by weight meter：20-30 parts of cement, 5-8 parts of flyash, 2-5 parts of propyl trimethoxy silicane,
5-10 parts of polyacrylate dispersion, 50-70 parts of modified expanded perlite, 0.7-2.9 parts of neopelex, additive 5-
10 parts, 1-3 parts of quick lime, 0.1-0.5 parts of PP fibers, 0.5-2 parts of hydroxypropyl methyl cellulose, 5-10 parts of bentonite and water 10-
20 parts.
The model PO52.5 of the cement.
The fineness of the flyash is 12% (R45), loss on ignition 5%, sulfur trioxide content 3%.
The specific preparation method of the modified expanded perlite is：It is swollen that perlite is heated to 1000-1300 DEG C of progress
Change is handled, and is made 7-10 times of perlite volumetric expansion, is obtained expanded perlite, then cool down, when temperature is down to 100-200 DEG C,
The propyl trimethoxy silicane of expanded perlite gross weight 5-10% is sprayed to expanded perlite, continues to be cooled to room temperature, crosses 20-
30 mesh sieves, to obtain the final product.
The additive includes the component of following parts by weight meter：25-35 parts of calcium sulfate, 2-5 parts of aluminium oxide, triethanolamine
15-20 parts of 0.2-5 parts, 5-10 parts of trbasic zinc phosphate and iron oxide.
The length of the PP fibers is 12-16mm.
The technical solution adopted in the present invention also resides in the production for providing a kind of modified expanded perlite insulation board of hydrophobic
Method, comprises the following steps：
(1) it is flyash, additive, polyacrylate dispersion, PP fibers, bentonite, quick lime and hydroxypropyl methyl is fine
Dimension element is mixed and stirred for uniformly, adding cement and neopelex continuing to stir, obtain rubber powder material；
(2) modified expanded perlite and rubber powder material are mixed, add propyl trimethoxy silicane and water, stirring is equal
Even, continuous mould pressing shaping, obtains half-dried modified expanded perlite insulation board；
(3) half-dried modified expanded perlite insulation board is subjected to heating curing；
(4) after heating curing, drying is started, drying to modified expanded perlite insulation board water content is less than 5%, i.e.,
Can kiln discharge.
Equipment used in continuous mould pressing shaping is hydraulic press in step (2), and the pressure of hydraulic press is 50t.
Heat-cured temperature is 20-70 DEG C in step (3), time 10-24h.
The heating curing of modified expanded perlite insulation board can use the conventional method of this area.The present invention is will be half-dried
Modified expanded perlite insulation board is sent into tunnel oven, closure of a tunnel kiln wicket, opens biomass particle burning machine and air-heater
Heating curing is carried out to half-dried modified expanded perlite insulation board.
Dry temperature is 90-120 DEG C in step (4).
Beneficial effect
1st, fire protecting performance is superior.Modified expanded perlite insulation board of the present invention mainly uses inorganic incombustible material, energy
The fire protecting performance of thermal insulation board is enough effectively improved, the combustibility of modified expanded perlite insulation board of the present invention is up to A1 grades.
2nd, it is light, intensity is high, thermal conductivity factor is low.Modified expanded perlite insulation board material of the present invention is made using high-mark cement
For major gelled material, while mix PP fibers, flyash, quick lime, neopelex, additive, hydroxypropyl first outside
Base cellulose and bentonite improve the intensity of cementitious material, make thermal insulation material on the basis of resistance to compression, flexural strength is ensured significantly
Dry density is reduced, makes plate that there is higher intensity and relatively low thermal conductivity factor, so as to ensure heat preservation plate material and system with good
Good heat-insulating property.
3rd, it is good with the tack coat and cracking resistance protective layer compatibility of heat-insulation system.Since modified expanded perlite of the present invention is kept the temperature
Plate as main cementitious material, not using sodium silicate and containing sodium silicate or contains chlorion cement using high-mark cement
Additive, ensures that modified expanded perlite insulation board material and heat-insulation system are not in the problems such as accumulation of salt in the surface soil returns chlorine, together from root
When the present invention thermal insulation board and bonding mortar that heat-insulation system uses, anticracking grout component it is substantially similar, ensure that System compatible
Property it is good, will not occur hollowing cracking phenomena such as, can be with the building same service life.
4th, pliability is good, backfin ratio is reasonable, has good workability.Modified expanded perlite insulation board of the present invention uses half siccative
Mould pressing technology and using the preferable polyacrylate dispersion of pliability as cementitious material additive, and thermal insulation board material is from modification
Expanded perlite is fabricated into plate moulding shaping, and all using automated production, product pliability is good, backfin is than reasonable, quality
Stablize, reduce work progress modified expanded perlite insulation board breakage rate.
5th, water absorption rate is low.The modified expanded perlite insulation board of the present invention adds propyl trimethoxy silicane as hydrophobic
Agent, and by modified expanded perlite, optimize the proportionate relationship of each component, reduce the water absorption rate of thermal insulation board, prolong the service life.
6th, it is environmentally protective.Modified expanded perlite insulation board of the present invention with cement, flyash, bentonite, PP fibers and its
Its organic and inorganic thing is effectively utilized industrial and mineral dead meal as raw material, and without addition poisonous and harmful substance, it is environmentally protective.
The 7th, although expanded perlite can reach the mesh of raising heat insulation effect by improving vitreous rate in process of production
, but still with the presence of the perforate perlite close to 30%, in order to reduce the water absorption rate of this demi-inflation perlite, the present invention
Spray propyl trimethoxy silicane in temperature-fall period after puffing furnace is puffing, modified expanded perlite is to achieve the purpose that hydrophobic.
8th, the heating curing temperature and time of the invention by controlling half-dried thermal insulation board, controls drying temperature, Neng Goujin
One step improves the properties of thermal insulation board.
9th, test result indicates that, the dry density of modified expanded perlite insulation board of the present invention is less than 188kg/m3, pressure resistance
Degree is more than 0.62MPa, and thermal conductivity factor is less than 0.051W/ (m.k), and flexural strength is more than 0.42MPa, and mass water content is less than
4.2%, it is more than 0.30MPa perpendicular to board direction tensile strength, volume water absorption rate is less than 7.7%, and coefficient of softing is more than 0.89,
Mass loss rate is less than 3.3%, and compression strength loss rate is less than 22%, and hydrophobic rate is more than 99.2%.
10th, the raw material sources of modified expanded perlite insulation board of the present invention are extensive, cost is low, simple production process, are easy to
Operation, disclosure satisfy that the demand of different construction materials, has good social and economic benefit.
Embodiment
The embodiment of the present invention is described in further detail with reference to embodiments.
The requirement of raw material used is in the present invention：
The model PO52.5 of cement.
The fineness of flyash is 12% (R45), loss on ignition 5%, sulfur trioxide content 3%.
The length of PP fibers is 16mm.
Polyacrylate dispersion is purchased from Taiyuan City Jinyuan District Jin Yuan Building Materials Factories.
Embodiment 1
The modified expanded perlite insulation board of the hydrophobic of the present embodiment, includes the component of following parts by weight meter：20 parts of cement,
5 parts of flyash, 5 parts of propyl trimethoxy silicane, 10 parts of polyacrylate dispersion, 50 parts of modified expanded perlite, dodecyl
2 parts of benzene sulfonic acid sodium salt, 8 parts of additive, 1 part of quick lime, 0.3 part of PP fibers, 0.5 part of hydroxypropyl methyl cellulose, 5 parts of bentonite and
10 parts of water.
The additive includes the component of following parts by weight meter：30 parts of calcium sulfate, 5 parts of aluminium oxide, 3 parts of triethanolamine,
15 parts of 10 parts of trbasic zinc phosphate and iron oxide.
The specific preparation method of the modified expanded perlite is：Perlite is heated to 1000 DEG C and carries out puffing place
Reason, makes 7 times of perlite volumetric expansion, obtains expanded perlite, then cool down, when temperature is down to 150 DEG C, to expanded perlite
Spray the propyl trimethoxy silicane of expanded perlite gross weight 5%, continue to be cooled to room temperature, cross 20 mesh sieves, to obtain the final product.
The production method of the modified expanded perlite insulation board of the hydrophobic of the present embodiment, comprises the following steps：
(1) it is flyash, additive, polyacrylate dispersion, PP fibers, bentonite, quick lime and hydroxypropyl methyl is fine
Dimension element adds forced stirrer and is mixed and stirred for 15min, adds cement and neopelex continues to stir 20min,
Obtain rubber powder material；
(2) modified expanded perlite and rubber powder material are mixed, add propyl trimethoxy silicane and water, stirring is equal
It is even, send to hydraulic press continuous mould pressing and be molded, obtain half-dried modified expanded perlite insulation board；Hydraulic press pressure is 50t；
(3) half-dried modified expanded perlite insulation board is subjected to heating curing, heat-cured temperature is 20 DEG C, the time
For 24h；
(4) after heating curing, drying is started, drying temperature is 90 DEG C, dry to modified expanded perlite insulation board
Water content is less than 5%, you can kiln discharge.
Embodiment 2
The modified expanded perlite insulation board of the hydrophobic of the present embodiment, includes the component of following parts by weight meter：30 parts of cement,
8 parts of flyash, 2 parts of propyl trimethoxy silicane, 5 parts of polyacrylate dispersion, 60 parts of modified expanded perlite, detergent alkylate
0.7 part of sodium sulfonate, 5 parts of additive, 2 parts of quick lime, 0.1 part of PP fibers, 2 parts of hydroxypropyl methyl cellulose, 10 parts of bentonite and
15 parts of water.
The additive includes the component of following parts by weight meter：25 parts of calcium sulfate, 3 parts of aluminium oxide, triethanolamine 0.2
20 parts of part, 5 parts of trbasic zinc phosphate and iron oxide.
The specific preparation method of the modified expanded perlite is：Perlite is heated to 1300 DEG C and carries out puffing place
Reason, makes 10 times of perlite volumetric expansion, obtains expanded perlite, then cool down, when temperature is down to 100 DEG C, to expanded pearlite
Rock sprays the propyl trimethoxy silicane of expanded perlite gross weight 10%, continues to be cooled to room temperature, crosses 20 mesh sieves, to obtain the final product.
The production method of the modified expanded perlite insulation board of the hydrophobic of the present embodiment, comprises the following steps：
(1) it is flyash, additive, polyacrylate dispersion, PP fibers, bentonite, quick lime and hydroxypropyl methyl is fine
Dimension element adds forced stirrer and is mixed and stirred for 10min, adds cement and neopelex continues to stir 40min,
Obtain rubber powder material；
(2) modified expanded perlite and rubber powder material are mixed, add propyl trimethoxy silicane and water, stirring is equal
It is even, send to hydraulic press continuous mould pressing and be molded, obtain half-dried modified expanded perlite insulation board；Hydraulic press pressure is 50t；
(3) half-dried modified expanded perlite insulation board is subjected to heating curing, heat-cured temperature is 50 DEG C, the time
For 20h；
(4) after heating curing, drying is started, drying temperature is 100 DEG C, dry to modified expanded perlite insulation board
Water content is less than 5%, you can kiln discharge.
Embodiment 3
The modified expanded perlite insulation board of the hydrophobic of the present embodiment, includes the component of following parts by weight meter：25 parts of cement,
6 parts of flyash, 4 parts of propyl trimethoxy silicane, 8 parts of polyacrylate dispersion, 70 parts of modified expanded perlite, detergent alkylate
2.9 parts of sodium sulfonate, 10 parts of additive, 3 parts of quick lime, 0.5 part of PP fibers, 1 part of hydroxypropyl methyl cellulose, 8 parts of bentonite and
20 parts of water.
The additive includes the component of following parts by weight meter：35 parts of calcium sulfate, 2 parts of aluminium oxide, 5 parts of triethanolamine,
16 parts of 8 parts of trbasic zinc phosphate and iron oxide.
The specific preparation method of the modified expanded perlite is：Perlite is heated to 1200 DEG C and carries out puffing place
Reason, makes 7 times of perlite volumetric expansion, obtains expanded perlite, then cool down, when temperature is down to 200 DEG C, to expanded perlite
Spray the propyl trimethoxy silicane of expanded perlite gross weight 8%, continue to be cooled to room temperature, cross 30 mesh sieves, to obtain the final product.
The production method of the modified expanded perlite insulation board of the hydrophobic of the present embodiment, comprises the following steps：
(1) it is flyash, additive, polyacrylate dispersion, PP fibers, bentonite, quick lime and hydroxypropyl methyl is fine
Dimension element adds forced stirrer and is mixed and stirred for 20min, adds cement and neopelex continues to stir 20min,
Obtain rubber powder material；
(2) modified expanded perlite and rubber powder material are mixed, add propyl trimethoxy silicane and water, stirring is equal
It is even, send to hydraulic press continuous mould pressing and be molded, obtain half-dried modified expanded perlite insulation board；Hydraulic press pressure is 50t；
(3) half-dried modified expanded perlite insulation board is subjected to heating curing, heat-cured temperature is 70 DEG C, the time
For 10h；
(4) after heating curing, drying is started, drying temperature is 120 DEG C, dry to modified expanded perlite insulation board
Water content is less than 5%, you can kiln discharge.
Experimental example one
Using the modified expanded perlite insulation board of embodiment 1 as experiment material, verify the PP fibers of different length to modification
The intensity effect of expanded perlite thermal-nsulation plate, the results are shown in Table 1.
Intensity effect of the PP fibers of 1 different length of table to modified expanded perlite insulation board
| PP fibre lengths | Compression strength | Flexural strength | Fiber batch mixing situation |
| 6mm | 0.38MPa | 0.18MPa | It is well dispersed |
| 8mm | 0.41MPa | 0.22MPa | It is well dispersed |
| 10mm | 0.44MPa | 0.23MPa | It is well dispersed |
| 12mm | 0.52MPa | 0.38MPa | It is well dispersed |
| 14mm | 0.59MPa | 0.42MPa | It is well dispersed |
| 16mm | 0.63MPa | 0.45MPa | It is well dispersed |
| 18mm | 0.64MPa | 0.46MPa | It is not easy to disperse |
| 20mm | 0.65MPa | 0.49MPa | It is not easy to disperse |
Experimental example two
Using the expanded perlite of the present invention as experiment material, according to the preparation method of the modified expanded perlite of embodiment 1,
Only changing the temperature that sprays of propyl trimethoxy silicane, verification difference, which sprays temperature, influences modified expanded perlite hydrophobicity,
It the results are shown in Table 2.
2 difference of table, which sprays temperature, influences modified expanded perlite hydrophobicity
| The perlite place of production | Spray temperature | Hydrophobic rate |
| Xinyang spinal cord | 200℃ | 98.8% |
| Xinyang spinal cord | 150℃ | 99.2% |
| Xinyang spinal cord | 100℃ | 99.0% |
Experimental example three
Using the modified expanded perlite insulation board of the present invention as experimental group, and use commercially available expanded perlite thermal-nsulation plate
As control, property indices are detected, the results are shown in Table 3.
The property indices of 3 modified expanded perlite insulation board of the present invention of table
Claims (7)
1. a kind of modified expanded perlite insulation board of hydrophobic, it is characterised in that include the component of following parts by weight meter：Cement
20-30 parts, 5-8 parts of flyash, 2-5 parts of propyl trimethoxy silicane, 5-10 parts of polyacrylate dispersion, modified expanded perlite
50-70 parts, 0.7-2.9 parts of neopelex, 5-10 parts of additive, 1-3 parts of quick lime, 0.1-0.5 parts of PP fibers, hydroxyl
10-20 parts of 0.5-2 parts of propyl methocel, 5-10 parts of bentonite and water；
The specific preparation method of the modified expanded perlite is：Perlite is heated to 1000-1300 DEG C and carries out puffing place
Reason, makes 7-10 times of perlite volumetric expansion, obtains expanded perlite, then cool down, when temperature is down to 100-200 DEG C, to swollen
Swollen perlite sprays the propyl trimethoxy silicane of expanded perlite gross weight 5-10%, continues to be cooled to room temperature, crosses 20-30 mesh
Sieve, to obtain the final product；
The additive includes the component of following parts by weight meter：25-35 parts of calcium sulfate, 2-5 parts of aluminium oxide, triethanolamine 0.2-
15-20 parts of 5 parts, 5-10 parts of trbasic zinc phosphate and iron oxide；
The length of the PP fibers is 12-16mm.
2. the modified expanded perlite insulation board of hydrophobic according to claim 1, it is characterised in that the type of the cement
Number it is PO52.5.
3. the modified expanded perlite insulation board of hydrophobic according to claim 1, it is characterised in that the flyash
Fineness is 12%R45, loss on ignition 5%, sulfur trioxide content 3%.
A kind of 4. production method of the modified expanded perlite insulation board of hydrophobic as claimed in claim 1, it is characterised in that bag
Include following steps：
（1）By flyash, additive, polyacrylate dispersion, PP fibers, bentonite, quick lime and hydroxypropyl methyl cellulose
It is mixed and stirred for uniformly, adding cement and neopelex continuing to stir, obtain rubber powder material；
（2）Modified expanded perlite and rubber powder material are mixed, propyl trimethoxy silicane and water is added, stirs evenly,
Continuous mould pressing is molded, and obtains half-dried modified expanded perlite insulation board；
（3）Half-dried modified expanded perlite insulation board is subjected to heating curing；
（4）After heating curing, start drying, drying to modified expanded perlite insulation board water content is less than 5%, you can goes out
Kiln.
5. the production method of the modified expanded perlite insulation board of hydrophobic according to claim 4, it is characterised in that step
（2）Equipment used in middle continuous mould pressing shaping is hydraulic press, and the pressure of hydraulic press is 50t.
6. the production method of the modified expanded perlite insulation board of hydrophobic according to claim 4, it is characterised in that step
（3）In heat-cured temperature be 20-70 DEG C, time 10-24h.
7. the production method of the modified expanded perlite insulation board of hydrophobic according to claim 4, it is characterised in that step
（4）The temperature of middle drying is 90-120 DEG C.
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| CN107244833A (en) * | 2017-07-11 | 2017-10-13 | 合肥尚涵装饰工程有限公司 | A kind of new type fireproof board and preparation method thereof |
| WO2019101810A1 (en) * | 2017-11-21 | 2019-05-31 | Holcim Technology Ltd | Compositions and method to improve the strength development of calcium silicate-based cements and concretes |
| CN108863273A (en) * | 2018-08-16 | 2018-11-23 | 信阳成喜保温材料有限公司 | A kind of waterproofness cement perlite heat-insulating shield and its production method |
| CN110590225A (en) * | 2019-09-30 | 2019-12-20 | 南京曙光精细化工有限公司 | Method for improving dispersibility of n-propyl trialkoxysilane |
| CN118043291A (en) | 2021-09-27 | 2024-05-14 | 科思创德国股份有限公司 | Coating composition |
| EP4177230A1 (en) | 2021-11-03 | 2023-05-10 | Covestro Deutschland AG | Composition for thermal insulation |
| CN115820000A (en) * | 2022-12-15 | 2023-03-21 | 南京市大道纳米新材料有限公司 | Perlite hydrophobic enhancement modification method, water-based heat-insulation paint and preparation method thereof |
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