CN108623275A - A kind of fire-proof sealing material and preparation method thereof - Google Patents
A kind of fire-proof sealing material and preparation method thereof Download PDFInfo
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- CN108623275A CN108623275A CN201810481407.9A CN201810481407A CN108623275A CN 108623275 A CN108623275 A CN 108623275A CN 201810481407 A CN201810481407 A CN 201810481407A CN 108623275 A CN108623275 A CN 108623275A
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- fire
- sealing material
- proof sealing
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- ammonium polyphosphate
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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
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
-
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
- Sealing Material Composition (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention discloses a kind of fire-proof sealing materials and preparation method thereof, are related to plugging material field, and the compression strength solved after plugging material solidification in the prior art is excessive, the difficult problem of later stage dismounting.Fire-proof sealing material includes the component of following parts by weight：30 50 parts of land plaster；15 25 parts of clay powder；15 25 parts of portland cement；5 10 parts of crushed crude pearlite；0.1 0.5 parts of sodium gluconate.The present invention is by adjusting component ratio and crushed crude pearlite and sodium gluconate is added, and the proportion of product is effectively reduced, and can be suitable for light partition wall or run through bearing plate, improve the applicability of product；Compression strength achievement data is also more reasonable after the curing rate of product and solidification, improves the convenience replaced when removing.
Description
Technical field
The present invention relates to plugging material fields, more specifically, it relates to a kind of fire-proof sealing material and preparation method thereof.
Background technology
Fire-proof sealing material is a kind of for blocking the various objects such as cable, air hose, oil pipe, tracheae etc. that run through across wall (storehouse)
The fire separation that various openings and cable testing bridge are formed when wall, building (first) plate, with fire-proof function, the material being conveniently replaceable
Material.It can be divided into inorganic fireproofing plugging, organic fire prevention calking and fire retardant package according to its constituent and performance characteristics.
Common plugging material includes the component of following parts by weight in the prior art：30-60 parts of land plaster；Clay powder
15-30 parts；15-30 parts of portland cement.
Above-mentioned plugging material reaches 1.2 × 10 since itself proportion is larger3kg/m3, light partition wall or run through bearing plate
It should not use, while the compression strength after solidification is excessive, it is more difficult when replacement penetration piece needs dismounting.
Invention content
In view of the deficienciess of the prior art, the purpose of the present invention one is to provide a kind of fire-proof sealing material, by adding
Enter crushed crude pearlite and sodium gluconate, reduce the compression strength after solidification, solve the above problems, is closed with cured strength
The advantages of managing, the later stage facilitated to dismount.
To achieve the above object one, the present invention provides following technical schemes：
A kind of fire-proof sealing material includes the component of following parts by weight：
30-50 parts of land plaster；
15-25 parts of clay powder；
15-25 parts of portland cement；
5-10 parts of crushed crude pearlite；
0.1-0.5 parts of sodium gluconate.
By using above-mentioned technical proposal, material based on land plaster, clay powder is refractory adhesive, can be burnt after meeting fire
Knot, plays the role of back-fire relief and reinforced structure intensity；Portland cement is inorganic gel agent, can be adjusted dilute when product uses
Consistency and workability, and the compression strength after product solidification can be increased；Crushed crude pearlite is flame retardant type inorganic light weight filler, is used for
Reduce the density of product；The organic retarder of sodium gluconate can adjust the presetting period of portland cement.By adjusting component
Simultaneously crushed crude pearlite and sodium gluconate is added in ratio, and the proportion of product is effectively reduced, and can be suitable for light partition wall or pass through
Bearing plate is worn, the applicability of product is improved；Compression strength achievement data is also more reasonable after the curing rate of product and solidification, carries
Height replaces convenience when removing.
Further preferably, the fire-proof sealing material further includes 1-3 parts of mesoporous silicon oxides, the mesoporous silicon oxide
Hole in load have inorganic combustion inhibitor.
By using above-mentioned technical proposal, compression strength, while mesoporous two are advantageously reduced after mesoporous silicon oxide is added
Silica can carrying inorganic fire retardant, enhance the flame retardant property of product.
Further preferably, the inorganic combustion inhibitor is ammonium polyphosphate, and the grain size of the ammonium polyphosphate is less than mesoporous dioxy
The diameter in the hole of SiClx.
By using above-mentioned technical proposal, ammonium polyphosphate is thermally decomposed to generate phosphoric acid and ammonia, plays dilution, isolation air
Effect, good fire retardation can be played to cable, the tracheae through it.
Further preferably, the step of mesoporous silicon oxide load ammonium polyphosphate is：Mesoporous silicon oxide is added
Suspension is formed in deionized water, then ammonium polyphosphate is added in suspension and is uniformly dispersed, then it is ultrasonically treated, and is taken out
Filter, it is dry.
By using above-mentioned technical proposal, ultrasonication is used after dispersion, on the one hand quickening ammonium polyphosphate enters mesoporous
On the other hand the speed of the micropore of silica is conducive to ammonium polyphosphate and is evenly distributed in the micropore of mesoporous silicon oxide, keeps away
Exempt from ammonium polyphosphate and is unevenly distributed the micropore for blocking mesoporous silicon oxide.
Further preferably, the ammonium polyphosphate and the weight ratio of silica are (0.1-0.3):1.
By using above-mentioned technical proposal, the dosage of ammonium polyphosphate is controlled, ammonium polyphosphate load capacity deficiency is avoided to cause to hinder
Fuel efficiency fruit is poor or the too big micropore for blocking mesoporous silicon oxide of load capacity.
Further preferably, the fire-proof sealing material further includes 1-5 parts of hollow glass micropearls.
By using above-mentioned technical proposal, hollow glass micropearl reduces the density of product, moreover it is possible to drop as light filling agent
Compression strength after low product solidification.
Further preferably, the fire-proof sealing material further includes 0.1-0.5 parts of ceramic fibres.
By using above-mentioned technical proposal, ceramic fibre is light-weight, high temperature resistant, thermal stability are good, and perforates in dismounting
When, plugging material can be made to fall off at bulk.
Further preferably, the length of the ceramic fibre is 2-4mm, a diameter of 1-3um.
By using above-mentioned technical proposal, the length of ceramic fibre, diameter too conference increase product compression strength, and ceramics are fine
The length of dimension, diameter are too small, it is difficult to so that plugging material is fallen off at bulk, be unfavorable for later stage dismounting, therefore the length of ceramic fibre
Preferably 2-4mm, diameter are preferably 1-3um.
The purpose of the present invention two is to provide a kind of preparation method of fire-proof sealing material, using the fire prevention of this method preparation
Plugging material has the advantages that cured strength is reasonable, the later stage is facilitated to dismount.
To achieve the above object two, the present invention provides following technical schemes：
A kind of preparation method of fire-proof sealing material, includes the following steps：
Portland cement is first added in step 1 in blender, adds sodium gluconate and is pre-mixed, obtains premix；
All raw materials are all added to spiral and stirred by step 2 according to the sequence of crushed crude pearlite, land plaster, clay powder, premix
It mixes in machine, is uniformly mixed；
Step 3 after drawing off the bottom material in screw mixer, returns again to screw mixer after screw mixer stirs 15 minutes
In continue stirring after ten minutes, discharging, obtain fire-proof sealing material.
By using above-mentioned technical proposal, ensure that each component is added and stirred in proportion, the present invention makes
It can construct after used time addition suitable quantity of water mixing.
In conclusion compared with prior art, the invention has the advantages that：
(1) by adding crushed crude pearlite, hollow glass micropearl, ceramic fibre so that compression strength after fire-proof sealing material solidification
Achievement data also more rationally, improves the convenience replaced when removing；
(2) by the way that mesoporous silicon oxide is added, compression strength is advantageously reduced, while polyphosphoric acid is loaded using mesoporous silicon oxide
Ammonium, when fire occurs, ammonium polyphosphate is thermally decomposed to generate phosphoric acid and ammonia, plays the role of dilution, isolation air, can be to passing through
It wears its cable, tracheae and plays good fire retardation, flame retardant rating reaches V-0 grades；
(3) the fire-proof sealing material density in the present invention is low, can be suitable for light partition wall or run through bearing plate, improve product
Applicability.
Specific implementation mode
With reference to embodiment, the present invention will be described in detail.
Embodiment 1：A kind of fire-proof sealing material, each component and its corresponding parts by weight are as shown in table 1, and by following
Step prepares：
Portland cement is first added in step 1 in blender, adds sodium gluconate and is pre-mixed, obtains premix；
All raw materials are all added to spiral and stirred by step 2 according to the sequence of crushed crude pearlite, land plaster, clay powder, premix
It mixes in machine, is uniformly mixed；
Step 3 after drawing off the bottom material in screw mixer, returns again to screw mixer after screw mixer stirs 15 minutes
In continue stirring after ten minutes, discharging, obtain fire-proof sealing material.
Wherein, the fineness of clay powder is 200 mesh, and the fineness of crushed crude pearlite is 80 mesh, portland cement marked as 325.
Embodiment 2-5：A kind of fire-proof sealing material, difference from example 1 is that, each component and its corresponding weight
It is as shown in table 1 to measure number.
Each component and its parts by weight in 1 embodiment 1-5 of table
Embodiment 6：A kind of fire-proof sealing material, difference from example 1 is that, fire-proof sealing material further includes 1 part of Jie
Hole silica, in the hole of mesoporous silicon oxide load have ammonium polyphosphate；
Mesoporous silicon oxide load ammonium polyphosphate the step of be：Mesoporous silicon oxide is added in deionized water and forms suspension,
Ammonium polyphosphate is added in suspension again and is uniformly dispersed, the weight ratio of ammonium polyphosphate and silica is 0.1:1, meso-porous titanium dioxide
The micropore size of silicon is 40nm, and the grain size of ammonium polyphosphate is 10nm, and supersound process 10min is then carried out to it, is filtered, and drying is
It can.
Wherein, step 2 specifically includes, according to crushed crude pearlite, land plaster, clay powder, premix sequence by all raw materials
It is all added in screw mixer, adding load has the mesoporous silicon oxide of ammonium polyphosphate, is uniformly mixed.
Embodiment 7：A kind of fire-proof sealing material, the difference is that, fire-proof sealing material further includes 2 with embodiment 6
Part mesoporous silicon oxide.
Embodiment 8：A kind of fire-proof sealing material, the difference is that, fire-proof sealing material further includes 3 with embodiment 6
Part mesoporous silicon oxide.
Embodiment 9：A kind of fire-proof sealing material, with embodiment 6 the difference is that, ammonium polyphosphate and silica
Weight ratio is 0.2:1.
Embodiment 10：A kind of fire-proof sealing material, with embodiment 6 the difference is that, ammonium polyphosphate and silica
Weight ratio be 0.3:1.
Embodiment 11：A kind of fire-proof sealing material, the difference is that, fire-proof sealing material further includes 1 with embodiment 6
Part hollow glass micropearl；
Wherein, step 2 specifically includes, and the sequence according to crushed crude pearlite, land plaster, clay powder, premix is whole by all raw materials
It is added in screw mixer, adding load has mesoporous silicon oxide, the hollow glass micropearl of ammonium polyphosphate, is stirred
It is even.
Embodiment 12：A kind of fire-proof sealing material, the difference is that, fire-proof sealing material further includes with embodiment 11
3 parts of hollow glass micropearls.
Embodiment 13：A kind of fire-proof sealing material, the difference is that, fire-proof sealing material further includes with embodiment 11
5 parts of hollow glass micropearls.
Embodiment 14：A kind of fire-proof sealing material, the difference is that, fire-proof sealing material further includes with embodiment 11
The length of 0.1 part of ceramic fibre, ceramic fibre is 2mm, a diameter of 1um；
Wherein, step 2 specifically includes, and the sequence according to crushed crude pearlite, land plaster, clay powder, premix is whole by all raw materials
It is added in screw mixer, adding load has the mesoporous silicon oxide, hollow glass micropearl, ceramic fibre of ammonium polyphosphate,
It is uniformly mixed.
Embodiment 15：A kind of fire-proof sealing material, the difference is that, fire-proof sealing material further includes with embodiment 14
0.3 part of ceramic fibre.
Embodiment 16：A kind of fire-proof sealing material, the difference is that, fire-proof sealing material further includes with embodiment 14
0.5 part of ceramic fibre.
Embodiment 17：A kind of fire-proof sealing material, the difference is that, the length of ceramic fibre is with embodiment 14
3mm, a diameter of 2um.
Embodiment 18：A kind of fire-proof sealing material, the difference is that, the length of ceramic fibre is with embodiment 14
4mm, a diameter of 3um.
Comparative example 1：A kind of fire-proof sealing material comprising：40 parts of land plaster；30 parts of clay powder；30 parts of portland cement,
Preparation method is：Land plaster, clay powder, portland cement are uniformly mixed.
Performance test
Test specimen：Reference standard GB/23864-2009《Fire-proof sealing material》, the fireproof blocking that will be obtained in embodiment 1-18
Material preparation is prepared into control sample 1 at test specimen 1-18, by the fire-proof sealing material obtained in comparative example 1.
Test method：Density, the resistance to compression of reference standard GB/23864-2009, testing experiment sample 1-18 and control sample 1
Intensity and presetting period.
Test result：The test result of test specimen 1-18 and control sample 1 is as shown in table 2.As shown in Table 2, test sample
The apparent density of product 1-18 is less than control sample 1, illustrates that the present invention is fine by adding crushed crude pearlite, hollow glass micropearl, ceramics
Dimension, reduces the density of fire-proof sealing material, can be suitable for light partition wall or run through bearing plate, improve the applicability of product；
The compression strength of test specimen 1-18 is much smaller than control sample 1, and in critical field so that fire-proof sealing material is solid
Compression strength achievement data is more reasonable after change, improves the convenience replaced when removing；
The compression strength of test specimen 1-18 is more than control sample 1, and in critical field, illustrates that the present invention is slow by increasing
Agent sodium gluconate appropriate delay product presetting period and curing rate are coagulated, the convenience of grouting construction operation is improved.
The test result of table 2 test specimen 1-18 and control sample 1
| Sample number into spectrum | Apparent density/(kg/m3) | Compression strength/MPa | Presetting period/min |
| Standard index | ≤2.0×103 | 0.8≤R≤6.5 | 10≤t≤45 |
| Test specimen 1 | 0.80×103 | 2.00 | 26.0 |
| Test specimen 2 | 0.85×103 | 2.10 | 25.0 |
| Test specimen 3 | 0.88×103 | 2.10 | 24.0 |
| Test specimen 4 | 0.90×103 | 2.20 | 23.0 |
| Test specimen 5 | 0.92×103 | 2.20 | 22.0 |
| Test specimen 6 | 0.83×103 | 1.85 | 25.0 |
| Test specimen 7 | 0.86×103 | 1.82 | 24.0 |
| Test specimen 8 | 0.90×103 | 1.80 | 23.0 |
| Test specimen 9 | 0.84×103 | 1.85 | 25.0 |
| Test specimen 10 | 0.84×103 | 1.85 | 25.0 |
| Test specimen 11 | 0.78×103 | 1.82 | 25.0 |
| Test specimen 12 | 0.76×103 | 1.82 | 24.0 |
| Test specimen 13 | 0.75×103 | 1.80 | 24.0 |
| Test specimen 14 | 0.75×103 | 1.82 | 22.0 |
| Test specimen 15 | 0.74×103 | 1.81 | 21.0 |
| Test specimen 16 | 0.72×103 | 1.82 | 21.0 |
| Test specimen 17 | 0.72×103 | 1.85 | 21.0 |
| Test specimen 18 | 0.72×103 | 1.87 | 21.0 |
| Control sample 1 | 1.20×103 | 5.50 | 12.0 |
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of fire-proof sealing material, which is characterized in that include the component of following parts by weight：
30-50 parts of land plaster；
15-25 parts of clay powder；
15-25 parts of portland cement；
5-10 parts of crushed crude pearlite；
0.1-0.5 parts of sodium gluconate.
2. fire-proof sealing material according to claim 1, which is characterized in that the fire-proof sealing material further includes 1-3 parts
Mesoporous silicon oxide, in the hole of the mesoporous silicon oxide load have inorganic combustion inhibitor.
3. fire-proof sealing material according to claim 2, which is characterized in that the inorganic combustion inhibitor is ammonium polyphosphate, institute
State ammonium polyphosphate grain size be less than mesoporous silicon oxide hole diameter.
4. fire-proof sealing material according to claim 3, which is characterized in that the mesoporous silicon oxide loads ammonium polyphosphate
The step of be：Mesoporous silicon oxide is added in deionized water and forms suspension, then ammonium polyphosphate is added in suspension and is disperseed
Uniformly, then it is ultrasonically treated, is filtered, it is dry.
5. fire-proof sealing material according to claim 4, which is characterized in that the weight of the ammonium polyphosphate and silica
Than for（0.1-0.3）:1.
6. fire-proof sealing material according to claim 5, which is characterized in that the fire-proof sealing material further includes 1-5 parts
Hollow glass micropearl.
7. fire-proof sealing material according to claim 6, which is characterized in that the fire-proof sealing material further includes 0.1-
0.5 part of ceramic fibre.
8. fire-proof sealing material according to claim 7, which is characterized in that the length of the ceramic fibre is 2-4mm, directly
Diameter is 1-3um.
9. a kind of preparation method of fire-proof sealing material, which is characterized in that include the following steps：
Portland cement is first added in step 1 in blender, adds sodium gluconate and is pre-mixed, obtains premix；
All raw materials are all added to spiral and stirred by step 2 according to the sequence of crushed crude pearlite, land plaster, clay powder, premix
It mixes in machine, is uniformly mixed；
Step 3 after drawing off the bottom material in screw mixer, returns again to screw mixer after screw mixer stirs 15 minutes
In continue stirring after ten minutes, discharging, obtain fire-proof sealing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481407.9A CN108623275B (en) | 2018-05-18 | 2018-05-18 | Fireproof plugging material and preparation method thereof |
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|---|---|---|---|
| CN201810481407.9A CN108623275B (en) | 2018-05-18 | 2018-05-18 | Fireproof plugging material and preparation method thereof |
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| CN101353261A (en) * | 2008-09-01 | 2009-01-28 | 江苏省一夫新材料科技有限公司 | Waterproof fireproofing inorganic plugging material |
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| CN101353261A (en) * | 2008-09-01 | 2009-01-28 | 江苏省一夫新材料科技有限公司 | Waterproof fireproofing inorganic plugging material |
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| CN102584108A (en) * | 2011-11-30 | 2012-07-18 | 江苏欣安新材料技术有限公司 | Fireproofing sealing material |
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