CN106186921A - A kind of mineral fibre enhancement mode modified expanded perlite insulation board and production method thereof - Google Patents
A kind of mineral fibre enhancement mode modified expanded perlite insulation board and production method thereof Download PDFInfo
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- CN106186921A CN106186921A CN201610519595.0A CN201610519595A CN106186921A CN 106186921 A CN106186921 A CN 106186921A CN 201610519595 A CN201610519595 A CN 201610519595A CN 106186921 A CN106186921 A CN 106186921A
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- 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
- B28B1/525—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement containing organic fibres, e.g. wood fibres
-
- 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
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
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- 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
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- 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
- C04B2201/30—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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of mineral fibre enhancement mode modified expanded perlite insulation board and production method thereof, described mineral fibre enhancement mode modified expanded perlite insulation board includes the component of following parts by weight meter: cement 25 40 parts, 58 parts of flyash, MTMS 25 parts, polyacrylate dispersion 5 10 parts, mineral fibre 35 parts, modified expanded perlite 50 70 parts, dodecylbenzene sodium sulfonate 0.7 2.9 parts, additive 5 10 parts, quick lime 13 parts, PP fiber 0.1 0.5 parts, sodium silicate 12 parts and 10 20 parts of water.Mineral fibre enhancement mode modified expanded perlite insulation board of the present invention, using cement, flyash, mineral fibre and other organic and inorganic things as raw material, is effectively utilized industrial and mineral dead meal, and does not add poisonous and harmful substance, environmental protection.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of mineral fibre enhancement mode modified expanded perlite
Warming plate and production method thereof.
Background technology:
Along with the flourish of building industry and the modernization of building, in architectural engineering, the usage amount of warming plate increases year by year.
Exterior-wall heat insulation can effectively block thermal energy conduction, and heat insulation effect clearly, can not only save winter heating expense in a large number,
And more environmental protection compared with other heating methods.The insulation material that China's present stage uses is mainly organic insulation material and nothing
Machine insulation material, but due to materials chemistry character, whether inorganic heat insulation material or organic insulation material, all without
Method takes into account the requirement of properties of heat preservation and energy saving and security against fire simultaneously: for heat-insulating property, and organic material is better than inorganic material；From
Performance-based fire considers, A level anti-flammability insulation material is again only selection.In recent years, inorganic heat insulation material expands treasure
Zhu Yan the most progressively becomes the first-selection of inorganic external wall thermal-insulation material with its excellent fire retardancy energy, the advantage such as environmentally safe.
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.District, Xinyang Area, Henan Province Radix Cynanchi Paniculati perlite mineral reserve proved reserves 1.27 hundred million tons, occupy " Asia first, generation
Boundary second ", account for more than the 70% of China's perlite commercial reserves.In building trade, what Xinyang Normal College was studied spherical close
After hole perlite realizes industrialization, expanded perlite is just widely used in the light bone material of external wall insulation.But due to respectively
Planting reason, the application of expanded perlite thermal-nsulation plate also suffers from some and limits.
Summary of the invention
The technical problem to be solved is to provide a kind of mineral fibre enhancement mode modified expanded perlite insulation
Plate and production method thereof, this mineral fibre enhancement mode modified expanded perlite insulation board has that fire protecting performance is superior, light weight, strong
The features such as degree is high, heat conductivity is low, water absorption rate is low, pliability is good, have good workability.
To achieve these goals, the technical solution adopted in the present invention is to provide a kind of mineral fibre enhancement mode modification
Expanded perlite thermal-nsulation plate, including the component of following weight portion meter: cement 25-40 part, flyash 5-8 part, methyl trimethoxy epoxide
Silane 2-5 part, polyacrylate dispersion 5-10 part, mineral fibre 3-5 part, modified expanded perlite 50-70 part, dodecyl
Benzene sulfonic acid sodium salt 0.7-2.9 part, additive 5-10 part, quick lime 1-3 part, PP fiber 0.1-0.5 part, sodium silicate 1-2 part and water 10-
20 parts.
The model of described cement is PO52.5.
The fineness of described flyash is 12% (R45), and loss on ignition is 5%, and sulfur trioxide content is 3%.
The concrete preparation method of described modified expanded perlite is: perlite is heated to 1000-1300 DEG C and carries out swollen
Change processes, and makes perlite volumetric expansion 7-10 times, obtains expanded perlite, then lowers the temperature, when temperature is down to 100-200 DEG C,
Expanded perlite is sprayed the MTMS of expanded perlite gross weight 5-10%, continues to be cooled to room temperature, cross 20-
30 mesh sieves, to obtain final product.
Described additive includes the component of following weight portion meter: calcium sulfate 25-35 part, aluminium oxide 2-5 part, carboxymethyl are fine
Dimension element sodium 0.2-5 part, zinc phosphate 5-10 part and ferrum oxide 15-20 part.
Described mineral fibre is at least one in alumina silicate fibre, brucite fiber, sepiolite fibre；Described
The a length of 6-12mm of mineral fibre；The a length of 12-16mm of described PP fiber.
The technical solution adopted in the present invention also resides in a kind of mineral fibre enhancement mode modified expanded perlite of offer and protects
The production method of temperature plate, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, mineral fibre, PP fiber, quick lime and sodium silicate are mixed
Merging stirs, and adds cement and dodecylbenzene sodium sulfonate continues stirring, obtain rubber powder material；
(2) by modified expanded perlite and rubber powder material mix and blend, adding MTMS and water, stirring is all
Even, continuous mould pressing molding, obtain half-dried mineral fibre enhancement mode modified expanded perlite insulation board；
(3) half-dried mineral fibre enhancement mode modified expanded perlite insulation board is carried out heating curing；
(4) after heating curing terminates, start to be dried, be dried to mineral fibre enhancement mode modified expanded perlite insulation board
Water content is less than 5%, gets final product kiln discharge.
The equipment that in step (2), continuous mould pressing molding is used is hydraulic press, and the pressure of hydraulic press is 50t.
In step (3), heat-cured temperature is 20-70 DEG C, and the time is 10-24h.
The heating curing of modified expanded perlite insulation board can use the conventional method of this area.The present invention is by half-dried
Modified expanded perlite insulation board is sent in tunnel cave, and closure of a tunnel kiln wicket opens biomass particle burning machine and hot-air blower
Half-dried modified expanded perlite insulation board is carried out heating curing.
The temperature being dried in step (4) is 90-120 DEG C.
Beneficial effect
1, fire protecting performance is superior.The mineral fibre enhancement mode modified expanded perlite insulation board of the present invention mainly uses
Be inorganic incombustible material, it is possible to being effectively improved the fire protecting performance of warming plate, mineral fibre enhancement mode of the present invention is modified expanded
The combustibility of pearlite heat-insulation plate is up to A1 level.
2, light weight, intensity is high, heat conductivity is low.The mineral fibre enhancement mode modified expanded perlite insulation board of the present invention
Material uses high-mark cement as major gelled material, mixes mineral fibre, PP fiber, flyash, detergent alkylate the most outward
Sodium sulfonate, sodium silicate, quick lime improve the intensity of Binder Materials, make insulation material on the basis of ensureing resistance to compression, rupture strength
It is substantially reduced dry density, makes sheet material have higher intensity and relatively low heat conductivity, thus ensure heat preservation plate material and system tool
There is good heat-insulating property.
3 is good with the tack coat of heat-insulation system and the cracking resistance protective layer compatibility.Mineral fibre enhancement mode due to the present invention
Modified expanded perlite insulation board uses high-mark cement as main Binder Materials, does not use sodium silicate and containing flower bulb
Alkali or containing chloride ion cement additire, ensures that from root modified expanded perlite insulation board material and heat-insulation system do not have
The accumulation of salt in the surface soil returns the problems such as chlorine, the warming plate of the present invention uses with heat-insulation system simultaneously bonding mortar, the basic phase of anticracking grout composition
Seemingly, it is ensured that system compatibility is good, the phenomenons such as hollowing cracking will not occur, it is possible to the life-span same with building.
4, pliability is good, backfin than rationally, have good workability.The modified expanded Margarita of mineral fibre enhancement mode of the present invention
Rock warming plate uses half siccative mould pressing technology and uses the preferable polyacrylate dispersion of pliability as Binder Materials additive,
And warming plate material is fabricated into plate moulding molding from modified expanded perlite, all using automated production, product quality is steady
Fixed, reduce work progress modified expanded perlite insulation board breakage rate.
5, water absorption rate is low.The modified expanded perlite insulation board of the present invention adds MTMS as hydrophobic
Agent, and by modified expanded perlite, optimize the proportionate relationship of each component, reduce the water absorption rate of warming plate, increase the service life.
6, environmental protection.The mineral fibre enhancement mode modified expanded perlite insulation board of the present invention with cement, flyash,
PP fiber, mineral fibre and other organic and inorganic thing, as raw material, are effectively utilized industrial and mineral dead meal, and are not added with
Poison harmful substance, environmental protection.
Although 7, expanded perlite can reach to improve by improving vitreous rate the mesh of heat insulation effect in process of production
, but still with the presence of close to 30% perforate perlite, in order to reduce the perlitic water absorption rate of this demi-inflation, the present invention
Spraying MTMS in the expanded rear temperature-fall period of puffing furnace, modified expanded perlite is to reach the purpose of hydrophobic.
8, the present invention is by controlling the heating curing temperature and time of half-dried warming plate, controls baking temperature, it is possible to enter
One step improves the properties of warming plate.
9, test result indicate that, the dry density of the mineral fibre enhancement mode modified expanded perlite insulation board of the present invention is little
In 187kg/m3, comprcssive strength is more than 0.62MPa, and heat conductivity is less than 0.054W/ (m.k), and rupture strength is more than 0.42MPa,
Mass water content is less than 4.4%, is perpendicular to direction, plate face tensile strength and is more than 0.23MPa, and volume water absorption rate is less than 7.6%, soft
Changing coefficient and be more than 0.86, mass loss rate is less than 4.0%, and comprcssive strength loss rate is less than 23%, and hydrophobic rate is more than 99.0%.
10, the raw material sources of the mineral fibre enhancement mode modified expanded perlite insulation board of the present invention extensively, low cost,
Production technology is simple, easily operated, it is possible to meets the demand of different construction material, has good Social and economic benef@.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is described in further detail.
The requirement of raw material used in the present invention is:
The model of cement is PO52.5.
The fineness of flyash is 12% (R45), and loss on ignition is 5%, and sulfur trioxide content is 3%.
The a length of 16mm of PP fiber.
The a length of 10mm of mineral fibre.
Polyacrylate dispersion is that Jinyuan District, Taiyuan City Jin Yuan Building Materials Factory produces.
Embodiment 1
The mineral fibre enhancement mode modified expanded perlite insulation board of the present embodiment, including the group of following weight portion meter
Point: cement 25 parts, 5 parts of flyash, MTMS 2 parts, polyacrylate dispersion 5 parts, alumina silicate fibre 3 parts, change
Property expanded perlite 50 parts, dodecylbenzene sodium sulfonate 0.7 part, additive 5 parts, quick lime 1 part, PP fiber 0.1 part, sodium silicate
1 part and 10 parts of water.
Described additive includes the component of following weight portion meter: 25 parts of calcium sulfate, aluminium oxide 2 parts, carboxymethyl cellulose
0.2 part of sodium, zinc phosphate 5 parts and ferrum oxide 15 parts.
The concrete preparation method of described modified expanded perlite is: perlite is heated to 1000 DEG C and carries out expanded place
Reason, makes perlite volumetric expansion 7 times, obtains expanded perlite, then lower the temperature, when temperature is down to 100 DEG C, to expanded perlite
Spray the MTMS of expanded perlite gross weight 5%, continue to be cooled to room temperature, cross 20 mesh sieves, to obtain final product.
The production method of the mineral fibre enhancement mode modified expanded perlite insulation board of the present embodiment, including following step
Rapid:
(1) flyash, additive, polyacrylate dispersion, alumina silicate fibre, PP fiber, quick lime and sodium silicate are mixed
Merging stirs, and adds cement and dodecylbenzene sodium sulfonate continues stirring, obtain rubber powder material；
(2) by modified expanded perlite and rubber powder material mix and blend, adding MTMS and water, stirring is all
Even, under conditions of hydraulic press pressure is 50t, continuous mould pressing molding, obtain half-dried mineral fibre enhancement mode modified expanded
Pearlite heat-insulation plate；
(3) half-dried mineral fibre enhancement mode modified expanded perlite insulation board is sent in tunnel cave, closure of a tunnel
Kiln wicket, opens biological particle burning machine processed and hot-air blower to half-dried mineral fibre enhancement mode modified expanded perlite insulation
Plate carries out heating curing 16h at 60 DEG C；
(4) after heating curing terminates, start to be dried at 100 DEG C, be dried to the modified expanded treasure of mineral fibre enhancement mode
Pearl rock warming plate water content is less than 5%, gets final product kiln discharge.
Embodiment 2
The mineral fibre enhancement mode modified expanded perlite insulation board of the present embodiment, including the group of following weight portion meter
Point: cement 32 parts, 7 parts of flyash, MTMS 3 parts, polyacrylate dispersion 8 parts, alumina silicate fibre 2 parts, water
Magnesite fiber 2 parts, modified expanded perlite 60 parts, dodecylbenzene sodium sulfonate 1.5 parts, additive 8 parts, quick lime 2 parts, PP are fine
Tie up 0.3 part, sodium silicate 2 parts and 15 parts of water.
Described additive includes the component of following weight portion meter: 30 parts of calcium sulfate, aluminium oxide 3 parts, carboxymethyl cellulose
2 parts of sodium, zinc phosphate 8 parts and ferrum oxide 18 parts.
The concrete preparation method of described modified expanded perlite is: perlite is heated to 1200 DEG C and carries out expanded place
Reason, makes perlite volumetric expansion 8 times, obtains expanded perlite, then lower the temperature, when temperature is down to 150 DEG C, to expanded perlite
Spray the MTMS of expanded perlite gross weight 8%, continue to be cooled to room temperature, cross 25 mesh sieves, to obtain final product.
The production method of the mineral fibre enhancement mode modified expanded perlite insulation board of the present embodiment, including following step
Rapid:
(1) by flyash, additive, polyacrylate dispersion, alumina silicate fibre, brucite fiber, PP fiber, quick lime
It is mixed and stirred for uniformly with sodium silicate, adds cement and dodecylbenzene sodium sulfonate continues stirring, obtain rubber powder material；
(2) by modified expanded perlite and rubber powder material mix and blend, adding MTMS and water, stirring is all
Even, under conditions of hydraulic press pressure is 50t, continuous mould pressing molding, obtain half-dried mineral fibre enhancement mode modified expanded
Pearlite heat-insulation plate；
(3) half-dried mineral fibre enhancement mode modified expanded perlite insulation board is sent in tunnel cave, closure of a tunnel
Kiln wicket, opens biological particle burning machine processed and hot-air blower to half-dried mineral fibre enhancement mode modified expanded perlite insulation
Plate carries out heating curing 24h at 20 DEG C；
(4) after heating curing terminates, start to be dried at 120 DEG C, be dried to the modified expanded treasure of mineral fibre enhancement mode
Pearl rock warming plate water content is less than 5%, gets final product kiln discharge.
Embodiment 3
The mineral fibre enhancement mode modified expanded perlite insulation board of the present embodiment, including the group of following weight portion meter
Point: cement 40 parts, 8 parts of flyash, MTMS 5 parts, polyacrylate dispersion 10 parts, alumina silicate fibre 1 part, water
Magnesite fiber 2 parts, sepiolite fibre 2 parts, modified expanded perlite 70 parts, dodecylbenzene sodium sulfonate 2.9 parts, additive 10
Part, quick lime 3 parts, PP fiber 0.5 part, sodium silicate 2 parts and 20 parts of water.
Described additive includes the component of following weight portion meter: 35 parts of calcium sulfate, aluminium oxide 5 parts, carboxymethyl cellulose
5 parts of sodium, zinc phosphate 10 parts and ferrum oxide 20 parts.
The concrete preparation method of described modified expanded perlite is: perlite is heated to 1300 DEG C and carries out expanded place
Reason, makes perlite volumetric expansion 10 times, obtains expanded perlite, then lower the temperature, when temperature is down to 200 DEG C, to expanded pearlite
Rock sprays the MTMS of expanded perlite gross weight 10%, continues to be cooled to room temperature, crosses 30 mesh sieves, to obtain final product.
The production method of the mineral fibre enhancement mode modified expanded perlite insulation board of the present embodiment, including following step
Rapid:
(1) by flyash, additive, polyacrylate dispersion, alumina silicate fibre, brucite fiber, sepiolite fibre, PP
Fiber, quick lime and sodium silicate are mixed and stirred for uniformly, add cement and dodecylbenzene sodium sulfonate continues stirring, obtain glue
Powder；
(2) by modified expanded perlite and rubber powder material mix and blend, adding MTMS and water, stirring is all
Even, under conditions of hydraulic press pressure is 50t, continuous mould pressing molding, obtain half-dried mineral fibre enhancement mode modified expanded
Pearlite heat-insulation plate；
(3) half-dried mineral fibre enhancement mode modified expanded perlite insulation board is sent in tunnel cave, closure of a tunnel
Kiln wicket, opens biological particle burning machine processed and hot-air blower to half-dried mineral fibre enhancement mode modified expanded perlite insulation
Plate carries out heating curing 10h at 70 DEG C；
(4) after heating curing terminates, start to be dried at 90 DEG C, be dried to the modified expanded Margarita of mineral fibre enhancement mode
Rock warming plate water content is less than 5%, gets final product kiln discharge.
Experimental example one
With the mineral fibre enhancement mode modified expanded perlite insulation board of embodiment 1 as experiment material, checking difference is long
The PP fiber of the degree intensity effect to modified expanded perlite insulation board, the results are shown in Table 1.
The PP fiber of the table 1 different length intensity effect to modified expanded perlite insulation board
| PP fibre length | Comprcssive strength | Rupture strength | Fiber batch mixing situation |
| 6mm | 0.39MPa | 0.108MPa | Good dispersion |
| 8mm | 0.42MPa | 0.180MPa | Good dispersion |
| 10mm | 0.44MPa | 0.226MPa | Good dispersion |
| 12mm | 0.46MPa | 0.370MPa | Good dispersion |
| 14mm | 0.57MPa | 0.425MPa | Good dispersion |
| 16mm | 0.63MPa | 0.45MPa | Good dispersion |
| 18mm | 0.64MPa | 0.46MPa | It is difficult to dispersion |
| 20mm | 0.65MPa | 0.47MPa | It is difficult to dispersion |
Experimental example two
With 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 MTMS, checking difference sprays temperature to be affected modified expanded perlite hydrophobicity,
The results are shown in Table 2.
Table 2 difference sprays temperature to be affected modified expanded perlite hydrophobicity
| The perlite place of production | Spray temperature | Hydrophobic rate |
| Xinyang Radix Cynanchi Paniculati | 200℃ | 98.9% |
| Xinyang Radix Cynanchi Paniculati | 150℃ | 99.3% |
| Xinyang Radix Cynanchi Paniculati | 100℃ | 99.1% |
Experimental example three
Using the mineral fibre enhancement mode modified expanded perlite insulation board of the present invention as experimental group, and use commercially available
Expanded perlite thermal-nsulation plate, as comparison, detects property indices, the results are shown in Table 3.
The property indices of table 3 mineral fibre of the present invention enhancement mode modified expanded perlite insulation board
Claims (10)
1. a mineral fibre enhancement mode modified expanded perlite insulation board, it is characterised in that include following weight portion meter
Component: cement 25-40 part, flyash 5-8 part, MTMS 2-5 part, polyacrylate dispersion 5-10 part, mineral
Matter fiber 3-5 part, modified expanded perlite 50-70 part, dodecylbenzene sodium sulfonate 0.7-2.9 part, additive 5-10 part, calculogenesis
Ash 1-3 part, PP fiber 0.1-0.5 part, sodium silicate 1-2 part and water 10-20 part.
Mineral fibre enhancement mode modified expanded perlite insulation board the most according to claim 1, it is characterised in that described
The model of cement be PO52.5.
Mineral fibre enhancement mode modified expanded perlite insulation board the most according to claim 1, it is characterised in that described
The fineness of flyash be 12% (R45), loss on ignition is 5%, and sulfur trioxide content is 3%.
Mineral fibre enhancement mode modified expanded perlite insulation board the most according to claim 1, it is characterised in that described
The concrete preparation method of modified expanded perlite be: perlite is heated to 1000-1300 DEG C and carries out expanding treatment, make Margarita
Rock volumetric expansion 7-10 times, obtains expanded perlite, then lowers the temperature, and when temperature is down to 100-200 DEG C, sprays expanded perlite
Execute the MTMS of expanded perlite gross weight 5-10%, continue to be cooled to room temperature, cross 20-30 mesh sieve, to obtain final product.
Mineral fibre enhancement mode modified expanded perlite insulation board the most according to claim 1, it is characterised in that described
Additive include the component of following weight portion meter: calcium sulfate 25-35 part, aluminium oxide 2-5 part, sodium carboxymethyl cellulose 0.2-5
Part, zinc phosphate 5-10 part and ferrum oxide 15-20 part.
Mineral fibre enhancement mode modified expanded perlite insulation board the most according to claim 1, it is characterised in that described
Mineral fibre be at least one in alumina silicate fibre, brucite fiber, sepiolite fibre；Described mineral fibre
A length of 6-12mm；The a length of 12-16mm of described PP fiber.
7. a production method for mineral fibre enhancement mode modified expanded perlite insulation board as claimed in claim 1, its
It is characterised by, comprises the following steps:
(1) flyash, additive, polyacrylate dispersion, mineral fibre, PP fiber, quick lime and sodium silicate are mixed also
Stir, add cement and dodecylbenzene sodium sulfonate continues stirring, obtain rubber powder material；
(2) by modified expanded perlite and rubber powder material mix and blend, add MTMS and water, stir,
Continuous mould pressing molding, obtains half-dried mineral fibre enhancement mode modified expanded perlite insulation board；
(3) half-dried mineral fibre enhancement mode modified expanded perlite insulation board is carried out heating curing；
(4) after heating curing terminates, start to be dried, be dried to mineral fibre enhancement mode modified expanded perlite insulation board aqueous
Amount, less than 5%, gets final product kiln discharge.
The production method of mineral fibre enhancement mode modified expanded perlite insulation board the most according to claim 7, it is special
Levying and be, the equipment that in step (2), continuous mould pressing molding is used is hydraulic press, and the pressure of hydraulic press is 50t.
The production method of mineral fibre enhancement mode modified expanded perlite insulation board the most according to claim 7, it is special
Levying and be, in step (3), heat-cured temperature is 20-70 DEG C, and the time is 10-24h.
The production method of mineral fibre enhancement mode modified expanded perlite insulation board the most according to claim 7, it is special
Levying and be, the temperature being dried in step (4) is 90-120 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585924A (en) * | 2018-05-15 | 2018-09-28 | 中国地质大学（北京） | A kind of heat insulating inorganic plate and preparation method thereof prepared by crushed crude pearlite foaming at normal temp |
| CN109608099A (en) * | 2018-11-22 | 2019-04-12 | 河南创新复合材料科技有限责任公司 | A kind of light ceramics composite exterior wall tapestry brick |
| CN111073144A (en) * | 2019-12-26 | 2020-04-28 | 苏州润佳高分子材料有限公司 | Low-odor light-weight polypropylene composite material for automobile |
| CN114557200A (en) * | 2022-01-24 | 2022-05-31 | 西北农林科技大学 | Cutting propagation method of compound-leaf grape |
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| CN102815906A (en) * | 2012-09-07 | 2012-12-12 | 宁波荣山新型材料有限公司 | Dual organic modified cement-base expanded perlite fireproof thermal-insulation board and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108585924A (en) * | 2018-05-15 | 2018-09-28 | 中国地质大学（北京） | A kind of heat insulating inorganic plate and preparation method thereof prepared by crushed crude pearlite foaming at normal temp |
| CN109608099A (en) * | 2018-11-22 | 2019-04-12 | 河南创新复合材料科技有限责任公司 | A kind of light ceramics composite exterior wall tapestry brick |
| CN111073144A (en) * | 2019-12-26 | 2020-04-28 | 苏州润佳高分子材料有限公司 | Low-odor light-weight polypropylene composite material for automobile |
| CN114557200A (en) * | 2022-01-24 | 2022-05-31 | 西北农林科技大学 | Cutting propagation method of compound-leaf grape |
| CN114557200B (en) * | 2022-01-24 | 2023-11-03 | 西北农林科技大学 | Cutting propagation method of compound grape |
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Application publication date: 20161207 |