CN104018588B - Make the negative-pressure penetration method of inorganic modified styrofoam - Google Patents
Make the negative-pressure penetration method of inorganic modified styrofoam Download PDFInfo
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- CN104018588B CN104018588B CN201410259773.1A CN201410259773A CN104018588B CN 104018588 B CN104018588 B CN 104018588B CN 201410259773 A CN201410259773 A CN 201410259773A CN 104018588 B CN104018588 B CN 104018588B
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- styrofoam
- fire proofing
- proofing material
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- inorganic modified
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- 229920006328 Styrofoam Polymers 0.000 title claims abstract description 74
- 239000008261 styrofoam Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000035515 penetration Effects 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 73
- 238000004079 fireproofing Methods 0.000 claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000005086 pumping Methods 0.000 claims abstract description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000004965 Silica aerogel Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 description 21
- 229920002223 polystyrene Polymers 0.000 description 21
- 239000008187 granular material Substances 0.000 description 17
- 229920006327 polystyrene foam Polymers 0.000 description 17
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 15
- 239000011148 porous material Substances 0.000 description 10
- 239000004568 cement Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 7
- 239000006260 foam Substances 0.000 description 7
- 239000000395 magnesium oxide Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920006389 polyphenyl polymer Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- JWEWPDCILIRASR-UHFFFAOYSA-N [Mg].[O].[Cl] Chemical compound [Mg].[O].[Cl] JWEWPDCILIRASR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Building Environments (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention provides a kind of negative-pressure penetration method making inorganic modified styrofoam, comprise the following steps: preparation fire proofing material, raw material is joined in blender according to proportioning and stirs；Penetrate into, first the styrofoam of molding being put into puts in sealing container, then described fire proofing material injected in described container and seal sealing container, followed by vacuum pump to sealing container vacuum-pumping, vacuum is 55 ~ 65cmHg, it is dried, the styrofoam penetrating into fire proofing material is taken out from described container, the negative-pressure penetration method of the inorganic modified styrofoam of this making is formed by the way of evacuation in hermetic container subnormal ambient, fire proofing material can penetrate in styrofoam more easily and uniformly, and in subnormal ambient, the pressure that styrofoam is caused by air pressure is less, protection styrofoam will not be destroyed during penetrating into, and plate body will not deform after drying, ensure that structural strength and the integrity of last inorganic modified styrofoam product.
Description
Technical field
The present invention relates to building heat preserving technical field, particularly relate to a kind of make the negative of inorganic modified styrofoam
Pressure osmosis.
Background technology
Styrofoam full name polystyrene foam plate, referred to as EPS sheet, is that utilization rate the most on the market is the highest
Building heat preserving material.It is by the expandable polystyrene particle containing volatile fluid foaming agent, warp
The white solid with fine hole-closing structure of hot briquetting in a mold after pre-of heating.EPS sheet can effectively be protected
Revetment body, intensity length high, durable, heat-insulating property are good, and cost is low, construction simple, easy to maintenance,
Therefore it is widely used in wall insulation system as a kind of insulation material of good performance.But it is traditional
The fire protecting performance of EPS sheet poor, belong to combustible material, meet fire and dissolve immediately, shrink, trickle, fire
Rate of propagation is fast, and burnt area is big, and can produce substantial amounts of toxic gas and smog in combustion,
According to statistics, nearly injures and deaths most probably are caused by the toxic gas and dense smoke discharged because of construction material burning, serious shadow
Ring the probability of surviving of survivor, increase rescue difficulty, and poison and dense smoke also can serious environment pollutions.Cause
This, in order to improve the fire line of ESP plate, the method generally taked is at granules of polystyrene and fire proofing material
Chinese patent " a kind of polystyrene bubble of plate, such as Application No. 200810061225.2 it is pressed into after stirring
Foam plate and preparation method thereof " manufacture method of a kind of polystyrene foam plate is disclosed, comprise the following steps:
Step one, first polystyrene plastics particle is foamed into light foam particle by steam；
Step 2, preparation magnesia oxychloride cement；
Step 3, polystyrene foam grain is fully mixed and stirred with magnesia oxychloride cement, make foam particle Surface coating
Magnesia oxychloride cement；
Step 4, the foam particle mixed and stirred is made magnesia oxychloride cement polystyrene foam plate.
It is exactly that magnesia oxychloride cement cannot be uniform that the manufacture method of this polystyrene foam plate exists maximum problem
Be coated on polystyrene foam particles, and magnesia oxychloride cement and polystyrene foam particles gather in monoblock
Also being difficult in styrenic foams plate reach equally distributed purpose, this is due to polystyrene foam particles and chlorine
The proportion of oxygen magnesium cement is different, their mixture solidify in a mold during the bigger chlorine oxygen magnesium of proportion
Cement can gradually deposit to bottom, causes the magnesia oxychloride cement on the surface of the polystyrene foam particles on upper strata to be wanted
Less than lower floor, this either fire protecting performance or heat-insulating property to this polystyrene foam plate be all not
Profit.
Also " it is poly-that a kind of pinprick legal system makes fire prevention to the Chinese patent of a kind of such as Publication No. 103174228A
Styrenic foams plate " disclose a kind of pinprick legal system and make fire prevention polystyrene foam plate, comprise the following steps:
1) beating several pores on polystyrene foam plate, aperture is 0.3-3mm, and the density of punching is 3～20
Individual hole/square centimeter；
2) prefabricated silication powder and liquid material, utilizes hollow needle filling or dither note by silication powder, liquid material
Enter in polystyrene foam plate pore, close acanthopore by silication liquid material；
3) dry or dry.
Although this pinprick method to be beaten several pores on polystyrene foam plate and fire proofing material is poured into carefully
Kong Zhong, makes polystyrene foam plate be provided with certain fire line, but the pore owing to offering after all will not be non-
Chang Duo, fire proofing material can not substantial amounts of be filled in cystosepiment, but also is the foam having most
Grain does not reaches fire proofing material, and the fire protecting performance of the most this polystyrene foam plate is not satisfactory, and
And the mode punched is undoubtedly a kind of destruction to cystosepiment, there is the filling of fire proofing material the most afterwards, still
The laser intensity of cystosepiment can be brought adverse effect, this be also pore offer the unsuitable too much reason of quantity.
As can be seen here, although fire-type polystyrene board production and research and development in, technical staff is consciously
Fire proofing material is combined with granules of polystyrene and reaches fireproof purpose by ground, but there is presently no a kind of system
Fire proofing material can be dissolved in polystyrene foam plate by the method very well of making, and makes the surface of granules of polystyrene
Upper uniform cladding last layer fire proofing material is technical barrier the most urgently to be resolved hurrily really.
Summary of the invention
The technical problem to be solved in the present invention is: also lack one in order to make up in the production of fire-type styrofoam
Kind preferably fire proofing material can be coated on granules of polystyrene surface and not heat insulating ability, knot to styrofoam
The manufacture method that the aspects such as structure intensity adversely affect, the invention provides the inorganic modified polyphenyl of a kind of making
The negative-pressure penetration method of plate utilizes the fine closed pore itself existed in the styrofoam of molding by fire proofing material negative pressure
Penetrate into, be evenly coated on the surface of granules of polystyrene.
The technical solution adopted for the present invention to solve the technical problems is: a kind of make inorganic modified styrofoam
Negative-pressure penetration method, comprises the following steps:
Preparation fire proofing material, joins raw material in blender according to proportioning and stirs；
Penetrate into, first the styrofoam of molding is put into and put in sealing container, then by described fire proofing wood
Material injects in described sealing container and seals sealing container, takes out sealing container followed by vacuum pump
Vacuum, vacuum is-55～-65cmHg, described fire proofing material uniformly penetrate into from the top of described styrofoam and by
Gradually solidify；
Be dried, by penetrate into fire proofing material styrofoam takes out from described sealing container, then by drying or
The mode dried makes the dehydration of described fire proofing material form inorganic modified styrofoam.
As preferably, on described sealing container, the interface for evacuation is arranged near the bottom of described styrofoam.
Concrete, described fire proofing material is counted by weight and is included:
Waterglass or Ludox 60～80 parts；
Precipitated calcium carbonate, ground calcium carbonate or Kaolin 15～25 parts；
Polyacrylamide 1～2 parts；
Sodium lauryl sulphate or dodecyl sodium sulfate 0.5～1.5 parts；
Carbon dioxide 4～5 parts；
Silica aerogel 0.5～1.5 parts；
Described precipitated calcium carbonate, ground calcium carbonate or kaolinic granularity are 800～2000 mesh.
Concrete, in penetrating into step, it is first 1m by volume3, quality be 14～22kg styrofoam neatly put
Be placed in described sealing container, then by fire proofing material that quality is 40～100kg from top pouring at described polyphenyl
On plate.
As preferably, in preparation fire proofing material step, described blender is 5～10 to the mixing time of raw material
Minute.
As preferably, will ooze again after waiting 1～3 minute after injecting described fire proofing material in described sealing container
The styrofoam entering fire proofing material is taken out from container.
As preferably, in described drying steps, drying temperature is 80～100 DEG C, and drying time is 40～60 points
Clock.
As preferably, further comprise the steps of:
Reclaim, collect from described sealing container bottom and do not penetrate into the fire proofing material styrofoam, and back into
In described blender.
The invention has the beneficial effects as follows that traditional styrofoam has higher suction owing to there is fine closed pore
Aqueous, the negative-pressure penetration method of the inorganic modified styrofoam of this making utilizes this point to be penetrated into by fire proofing material just
In fine closed pore, it is coated on the surface of granules of polystyrene, forms fireprotection layer, improve fire protecting performance；Pass
Fine closed pore in system styrofoam because be the space between granules of polystyrene, therefore it highly uniform point
Cloth is in styrofoam, and fire proofing material penetrates into and the most uniformly envelopes granules of polystyrene, if
Counting ingenious, effect is notable；It is filled with fire proofing material additionally, due in fine closed pore, reduces significantly
Water absorption, makes this inorganic modified styrofoam in use performance more stable, stops to bring because of water suction
Potential safety hazard, in the negative-pressure penetration method of the inorganic modified styrofoam of this making by the way of evacuation
Forming subnormal ambient in hermetic container, fire proofing material can penetrate in styrofoam more easily and uniformly, and
In subnormal ambient, the pressure that styrofoam is caused by air pressure is less, and protection styrofoam will not be during penetrating into
Destroyed, and plate body will not be deformed after drying, it is ensured that the structure of last inorganic modified styrofoam product
Intensity and integrity.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification,
The basic structure of the present invention is described the most in a schematic way, and therefore it only shows the composition relevant with the present invention.
The invention provides a kind of negative-pressure penetration method making inorganic modified styrofoam, comprise the following steps:
Preparation fire proofing material, according to parts by weight proportioning and joins mixing time in blender by following raw material
It is 8 minutes:
Waterglass or Ludox 60～80 parts；
Precipitated calcium carbonate, ground calcium carbonate or Kaolin 15～25 parts；
Polyacrylamide 1～2 parts；
Sodium lauryl sulphate or dodecyl sodium sulfate 0.5～1.5 parts；
Carbon dioxide 4～5 parts；
Silica aerogel 0.5～1.5 parts；
Described precipitated calcium carbonate, ground calcium carbonate or kaolinic granularity are 800～2000 mesh；
Penetrate into, be first 1m by volume3, quality be 14～22kg styrofoam neatly be placed in sealing container in,
Then the fire proofing material that quality is 40～100kg injected in container and seal sealing container, then profit
With vacuum pump to sealing container vacuum-pumping, seal and be used for the interface of evacuation on container near the bottom of styrofoam
Arranging, vacuum is-65cmHg, and fire proofing material starts from top uniformly to penetrate into styrofoam, finally waits 2
Minute, allow fire proofing material be fully infiltrated in styrofoam and gradually solidify, being evenly coated on granules of polystyrene
After carry out next step；
It is dried, the styrofoam penetrating into fire proofing material is taken out from sealing container, then by drying machine to every piece
The styrofoam penetrating into fire proofing material is dried, and ultimately forms inorganic modified styrofoam after fire proofing material dehydration,
Drying temperature is 90 DEG C, and drying time is 50 minutes.
Reclaim, collect from sealing container bottom and do not penetrate into the fire proofing material styrofoam, and back into and stir
Mix in machine, for again with.
In the negative-pressure penetration method of the inorganic modified styrofoam of this making, fire proofing material relies on from the top of styrofoam
The gravity of self the most uniformly penetrates in styrofoam, owing to the space between granules of polystyrene is the finest,
In order to reduce infiltration difficulty, improve osmotic efficiency, vacuum pump position evacuation bottom close styrofoam,
Thus to a certain degree cause air pressure bottom styrofoam less than top, internal less than outside subnormal ambient, one
Space between aspect granules of polystyrene slightly increases, and still further aspect improves fire proofing material and enters space
Strength, thus help the difficulty of the fine voids of fire proofing material infiltration styrofoam；It addition, subnormal ambient order is poly-
The pressure that benzene plate receives is less, styrofoam will not cause strong compressing, and plate body after drying will not
Deformation, advantageously ensures that the structural strength of the inorganic modified styrofoam of product and fire proofing material can be more uniformly
Distribution.
If using the raw material of fire proofing material in invention and proportioning to pass through fire proofing material and polyphenyl in prior art
The manufacture method of ethylene granule mixing produces, then the amount of the fire proofing material of interpolation can be greatly increased,
This is due to here, and fire proofing material not only to need to be wrapped on granules of polystyrene formation fireprotection layer, more
It is important that effect is to play the cementation between granules of polystyrene, in order to provide enough bonding dynamics
Ensureing the laser intensity of inorganic modified styrofoam, fire proofing material proportion can increase much naturally；Further
Say, in order to improve the caking property of fire proofing material, need precipitated calcium carbonate, ground calcium carbonate or Kaolin
Granularity bring up to 10000～15000 mesh, for the production technology of current civil corporation, this is very difficult
Reach, even and if reach such granularity, manpower and materials to be put into also are huge, so generate
The product come also has no competitiveness；And the negative-pressure penetration method making inorganic modified styrofoam invented solves cleverly
Determine this problem, utilized styrofoam itself to have higher structural strength, by negative pressure, fire proofing material is oozed
Enter in styrofoam, thus reach to be formed on granules of polystyrene surface the purpose of fireprotection layer.
Polyacrylamide is a kind of flocculant used in the present invention, and it is high molecular weight water soluble polymer, tool
There is good flocculability, enhance flocculability and the cohesive of fire proofing material in the present invention, thus strengthen anti-
Bonding dynamics between fire material and granules of polystyrene, makes fire proofing material envelope polystyrene closely
Grain, opens polystyrene with air insulated thoroughly, reaches to strengthen the purpose of fire protecting performance.
The sodium lauryl sulphate or the dodecyl sodium sulfate that use in the present invention are surfactants, have good
Good lyotropy, strengthens precipitated calcium carbonate, ground calcium carbonate or kaolinic dissolubility with this, makes to prevent
In fire material, the mixing of each component is more uniform, also improves the permeability of fire proofing material simultaneously, helps fire proofing wood
Material more easily penetrates in styrofoam, and is uniformly wrapped on the surface of granules of polystyrene, helps fire proofing material
Give full play to its fire line.
Silica aerogel is a kind of aeroge employed in the present invention, is the outer telogenesis solid, shaped of one, and inside is
The material of space net structure.Owing to being filled with air in space net structure, air accounts for 80% left side of volume
The right side, therefore the density of silica aerogel is extremely low, and heat conductivity and refractive index are extremely low, has splendid heat absolutely
Edge, as the one of which component of fire proofing material, it is only necessary to little ratio just can make fire proofing material
Heat conductivity reduces, it is ensured that the heat-insulating property of the inorganic modified styrofoam of this fire-type is good.It addition, silicon gas
Gel seems fragile can't bear, the most sturdy and durable, can bear the high temperature and subzero 130 of 1400 degrees Celsius
The low temperature of degree, helps fire proofing material improve thermostability further and resistance to freeze type.
The fire-type that the negative-pressure penetration method of the inorganic modified styrofoam of this making provided by the present invention is produced
Styrofoam has the most excellent fire line, heat-insulating property and extremely low water absorption.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, related work
Personnel can carry out various change and amendment completely in the range of without departing from this invention technological thought.
The content that the technical scope of this invention is not limited in description, it is necessary to according to right
Determine its technical scope.
Claims (7)
1. the negative-pressure penetration method making inorganic modified styrofoam, it is characterised in that comprise the following steps:
Preparation fire proofing material, joins raw material in blender according to proportioning and stirs；Described fire proofing material
Meter by weight includes:
Waterglass or Ludox 60～80 parts；
Precipitated calcium carbonate, ground calcium carbonate or Kaolin 15～25 parts；
Polyacrylamide 1～2 parts；
Sodium lauryl sulphate or dodecyl sodium sulfate 0.5～1.5 parts；
Carbon dioxide 4～5 parts；
Silica aerogel 0.5～1.5 parts；
Described precipitated calcium carbonate, ground calcium carbonate or kaolinic granularity are 800～2000 mesh；
Penetrate into, first the styrofoam of molding is put in sealing container, then described fire proofing material is noted
Enter in described sealing container and seal sealing container, followed by vacuum pump to sealing container vacuum-pumping,
Vacuum is-55～-65cmHg, and described fire proofing material uniformly penetrates into from the top of described styrofoam and gradually solid
Change；
Be dried, by penetrate into fire proofing material styrofoam takes out from described sealing container, then by drying or
The mode dried makes the dehydration of described fire proofing material form inorganic modified styrofoam.
2. the negative-pressure penetration method making inorganic modified styrofoam as claimed in claim 1, it is characterised in that:
On described sealing container, the interface for evacuation is arranged near the bottom of described styrofoam.
3. the negative-pressure penetration method making inorganic modified styrofoam as claimed in claim 1, it is characterised in that:
Penetrating in step, be first 1m by volume3, quality be 14～22kg styrofoam be neatly placed in described sealing
In container, then by fire proofing material that quality is 40～100kg from top pouring on described styrofoam.
4. the negative-pressure penetration method making inorganic modified styrofoam as claimed in claim 3, it is characterised in that:
In preparation fire proofing material step, described blender is 5～10 minutes to the mixing time of raw material.
5. the negative-pressure penetration method making inorganic modified styrofoam as claimed in claim 3, it is characterised in that:
The poly-of fire proofing material will be penetrated into again after waiting 1～3 minute after injecting described fire proofing material in described sealing container
Benzene plate is from sealing taking-up container.
6. the negative-pressure penetration method making inorganic modified styrofoam as claimed in claim 3, it is characterised in that:
In described drying steps, drying temperature is 80～100 DEG C, and drying time is 40～60 minutes.
7. the negative-pressure penetration method making inorganic modified styrofoam as claimed in claim 1, it is characterised in that
Further comprise the steps of:
Reclaim, collect from described sealing container bottom and do not penetrate into the fire proofing material styrofoam, and back into
In described blender.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN105000829B (en) * | 2015-06-13 | 2018-02-09 | 东莞美易建材有限公司 | A kind of modification slurry for styrofoam |
| CN104961428B (en) * | 2015-06-27 | 2017-03-15 | 宁夏保利节能科技有限公司 | The preparation method of inorganic modified polystyrene thermal insulation plate |
| CN106567469B (en) * | 2016-08-09 | 2020-09-25 | 吴理侃 | Flame-retardant polystyrene board and preparation method thereof |
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| CN110067316A (en) * | 2018-01-23 | 2019-07-30 | 赵天 | Waterglass base fire-proof plate and preparation method thereof |
| CN109400944A (en) * | 2018-09-06 | 2019-03-01 | 浙江鹏远新材料股份有限公司 | A kind of production technology of flame retardant polystyrene foam plate |
| CN111660482B (en) * | 2020-06-15 | 2022-09-06 | 镇江市常松建材有限公司 | Polystyrene insulation board and preparation method thereof |
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