CN104016711A - Manufacturing method of inorganic modified polystyrene board - Google Patents

Manufacturing method of inorganic modified polystyrene board Download PDF

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Publication number
CN104016711A
CN104016711A CN201410259859.4A CN201410259859A CN104016711A CN 104016711 A CN104016711 A CN 104016711A CN 201410259859 A CN201410259859 A CN 201410259859A CN 104016711 A CN104016711 A CN 104016711A
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Prior art keywords
fire
styrofoam
retardant material
inorganic modified
making method
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CN201410259859.4A
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CN104016711B (en
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李传宏
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Zhenjiang Changsong building materials Co.,Ltd.
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Energy-Saving Building Material Science And Technology Jiangsu Co Of Triumphant Alliance
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Abstract

The invention provides a manufacturing method of an inorganic modified polystyrene board, which comprises the steps of preparing a fireproof material, permeating and drying and is characterized in that a fireproof material is permeated in pore closed holes and wrapped on the surfaces of polystyrene granules just by utilizing the property, so that a fireproof layer is formed, therefore, the fireproof property is increased; because of being clearance among polystyrene granules, the pore closed holes in the traditional polystyrene board are distributed into the polystyrene board very uniformly; the fireproof material is permeated into the polystyrene board, so that polystyrene granules are wrapped naturally and uniformly; the manufacturing method of the inorganic modified polystyrene board disclosed by the invention is smart in design and obvious in effect; furthermore, because the fireproof material is filled in the pore closed holes, the water absorption is reduced to a great extent; the properties of the inorganic modified polystyrene board are more steady when being used; and potential safety hazards caused by water absorption are put an end.

Description

The making method of inorganic modified styrofoam
Technical field
The present invention relates to building heat preserving technical field, relate in particular to a kind of making method of inorganic modified styrofoam.
Background technology
Styrofoam full name polystyrene foam plate, referred to as EPS plate, is the current the highest building heat preserving material of rate of utilization on the market.It is by the expandable polystyrene particle that contains volatile liquid whipping agent, the white solid with fine unicellular structure of hot briquetting in mould after heating pre-sending out.EPS plate can effectively protect body of wall, high, the durable length of intensity, heat-insulating property good, and cost is low, construction simple, easy to maintenance, so it is widely used in wall insulation system as a kind of well behaved lagging material.But the fire resistance of traditional EPS plate is poor, belong to inflammable material, meet fire and dissolve immediately, shrink, trickle, fire spread speed is fast, and burnt area is large, and can produce a large amount of toxic gas and smog in combustion processes, according to statistics, nearly injures and deaths are most probably due to the toxic gas and dense smoke discharging because of material of construction burning, have a strong impact on survivor's the probability of surviving, increase rescue difficulty, and poison gas and dense smoke also can serious environment pollutions.Therefore, in order to improve the fire line of ESP plate, the method of generally taking is to be pressed into plate after granules of polystyrene and fire-retardant material stirring, the Chinese patent < < polystyrene foam plate that for example application number is 200810061225.2 and preparation method thereof > > discloses a kind of making method of polystyrene foam plate, comprises the following steps:
Step 1, first polystyrene plastic particle is foamed into light foam particle by steam;
Step 2, preparation magnesia oxychloride cement;
Step 3, polystyrene foam grain and magnesia oxychloride cement are are fully mixed and stirred, make the coated magnesia oxychloride cement in foam particle surface;
Step 4, the foam particle mixing and stirring is made to magnesia oxychloride cement polystyrene foam plate.
It is exactly that magnesia oxychloride cement cannot be coated on polystyrene foam particles uniformly that the making method of this polystyrene foam plate exists maximum problem, and magnesia oxychloride cement and polystyrene foam particles are also difficult to reach equally distributed object in monoblock polystyrene foam plate, this is because the proportion of polystyrene foam particles and magnesia oxychloride cement is different, the magnesia oxychloride cement that in the process that their mixture solidifies in mould, proportion is larger can deposit to bottom gradually, cause the surperficial magnesia oxychloride cement of the polystyrene foam particles on upper strata to be less than lower floor, this is to the fire resistance of this polystyrene foam plate or heat-insulating property is all disadvantageous.
Also have Chinese patent < < pinprick legal system that a kind of for example publication number is 103174228A to make fire prevention polystyrene foam plate > > and disclose a kind of pinprick legal system and make fire prevention polystyrene foam plate, comprise the following steps:
1) on polystyrene foam plate, beat several pores, aperture is 0.3-3mm, and the density of punching is 3 ~ 20 hole/square centimeters;
2) prefabricated silication powder and liquid material, utilize hollow needle filling or high-frequency vibration to inject in polystyrene foam plate pore silication powder, liquid material, with silication liquid material sealing acanthopore;
3) dry or dry.
Although this pinprick method will be beaten several pores fire-retardant material is poured in pore on polystyrene foam plate, make polystyrene foam plate there is certain fire line, but because the pore of offering after all can be very not many, fire-retardant material can not be a large amount of be filled in cystose, but also be to have the foam beads of most not reach fire-retardant material, therefore the fire resistance of this polystyrene foam plate is not satisfactory, and the mode of punching is undoubtedly a kind of destruction to cystose, in time, there is the filling of fire-retardant material, still can bring disadvantageous effect to mechanism's intensity of cystose, this be also pore offer the unsuitable too much reason of quantity.
As can be seen here, although in the production and research and development of the polystyrene board of fire-type, technician combines fire-retardant material to reach with granules of polystyrene fp object consciously, but also do not have at present a kind of manufacture method fine fire-retardant material to be dissolved in polystyrene foam plate, making on the surface of granules of polystyrene uniformly coated last layer fire-retardant material is technical barrier urgently to be resolved hurrily at present really.
Summary of the invention
The technical problem to be solved in the present invention is: for make up in the production of fire-type styrofoam, also lack a kind of can preferably fire-retardant material be coated on to granules of polystyrene surface and not the aspect such as the heat retaining property of p-poly-phenyl plate, structural strength cause the making method of disadvantageous effect, the making method that the invention provides a kind of inorganic modified styrofoam utilizes the fine closed pore itself existing in the styrofoam of moulding that fire-retardant material is infiltrated, is 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 making method of inorganic modified styrofoam, comprises the following steps:
Preparation fire-retardant material, joins raw material in stirrer and stirs according to proportioning;
Infiltrate, first the styrofoam of moulding is put into and put into container, more described fire-retardant material is injected to described container, described fire-retardant material evenly infiltrates and solidifies gradually from the top of described styrofoam;
Dry, the styrofoam of infiltrating fire-retardant material is taken out from described container, then make described fire-retardant material dehydration form inorganic modified styrofoam by the mode of drying or dry.
Concrete, described fire-retardant material is counted and is comprised by weight:
60 ~ 80 parts of water glass or silicon sol;
15 ~ 25 parts of light calcium carbonate, water-ground limestone or kaolin;
1 ~ 2 part of polyacrylamide;
0.5 ~ 1.5 part of sodium lauryl sulphate or sodium laurylsulfonate;
4 ~ 5 parts of carbonic acid gas;
0.5 ~ 1.5 part of silica aerogel;
Described light calcium carbonate, water-ground limestone or kaolinic granularity are 800 ~ 2000 orders.
As preferably, in infiltrating step, by volume, be first that the styrofoam that 1m3, quality are 14 ~ 22kg is neatly placed in described container, then the fire-retardant material that is 40 ~ 100kg by quality from top pouring on described styrofoam.
As preferably, in preparation fire-retardant material step, described stirrer is 5 ~ 10 minutes to the churning time of raw material.
As preferably, in described container, inject after described fire-retardant material and wait for after 1 ~ 3 minute and again the styrofoam of infiltrating fire-retardant material being taken out from container.
As preferably, in described drying step, bake out temperature is 80 ~ 100 ℃, and drying time is 40 ~ 60 minutes.
As preferably, also comprise step:
Reclaim, from described container bottom, collect and do not infiltrate the fire-retardant material styrofoam, and sent back in described stirrer.
The invention has the beneficial effects as follows, in traditional styrofoam owing to existing fine closed pore to there is higher water-absorbent, the making method of this inorganic modified styrofoam utilizes this point that fire-retardant material is infiltrated in fine closed pore just, be coated on the surface of granules of polystyrene, form fireproofing, improve fire resistance; The fine closed pore of tradition in styrofoam be because be the space between granules of polystyrene, so it is evenly distributed in styrofoam very much, and fire-retardant material infiltrates and wherein just naturally evenly envelopes granules of polystyrene, designs ingeniously, and effect is remarkable; Owing to having filled fire-retardant material in fine closed pore, reduced significantly water-absorbent in addition, in use performance is more stable to make this inorganic modified styrofoam, stops the potential safety hazard of bringing because of water suction.
Embodiment
The making method that the invention provides a kind of inorganic modified styrofoam, comprises the following steps:
Preparation fire-retardant material, by following raw material according to parts by weight proportioning and to join churning time in stirrer be 8 minutes:
60 ~ 80 parts of water glass or silicon sol;
15 ~ 25 parts of light calcium carbonate, water-ground limestone or kaolin;
1 ~ 2 part of polyacrylamide;
0.5 ~ 1.5 part of sodium lauryl sulphate or sodium laurylsulfonate;
4 ~ 5 parts of carbonic acid gas;
0.5 ~ 1.5 part of silica aerogel;
Described light calcium carbonate, water-ground limestone or kaolinic granularity are 800 ~ 2000 orders;
Infiltrate, by volume, be first that the styrofoam that 1m3, quality are 14 ~ 22kg is neatly placed in container, then the fire-retardant material that is 40 ~ 100kg by quality injects container, fire-retardant material starts from top evenly to infiltrate styrofoam, finally wait for 2 minutes, allow fire-retardant material fully infiltrate in styrofoam and solidify gradually, carrying out next step after being evenly coated on granules of polystyrene;
Dry, the styrofoam of infiltrating fire-retardant material is taken out from container, then by drying machine, every styrofoam of infiltrating fire-retardant material is dried, the rear final inorganic modified styrofoam that forms of fire-retardant material dehydration, bake out temperature is 90 ℃, drying time is 50 minutes.
Reclaim, from container bottom, collect and do not infiltrate the fire-retardant material styrofoam, and sent back in stirrer, for again utilizing.
If adopting raw material and the proportioning of fire-retardant material in invention produces by the making method of in prior art, fire-retardant material being mixed with granules of polystyrene, the amount of the fire-retardant material adding so can increase greatly, this is due to here, fire-retardant material not only will need to be wrapped in and on granules of polystyrene, forms fireproofing, the effect the more important thing is is the cohesive action of playing between granules of polystyrene, for the mechanism's intensity that provides enough bonding dynamics to guarantee inorganic modified styrofoam, fire-retardant material proportion can increase much naturally; Further, in order to improve the cohesiveness of fire-retardant material, light calcium carbonate, water-ground limestone or kaolinic granularity need to be brought up to 10000 ~ 15000 orders, production technology with current civil corporation, this is very inaccessible, even if reach such granularity, it is also huge dropping into manpower and materials, and the product generating out so also has no competitive power; And the making method of the inorganic modified styrofoam of invention has solved this problem cleverly, utilize styrofoam itself to there is higher structural strength, fire-retardant material is infiltrated in styrofoam, thereby reach the object that forms fireproofing on granules of polystyrene surface.
Polyacrylamide is a kind of flocculation agent adopting in the present invention, it is high molecular weight water soluble polymer, there is good flocculence, flocculence and the binding property of fire-retardant material have been strengthened in the present invention, thereby strengthen the bonding dynamics between fire-retardant material and granules of polystyrene, make fire-retardant material envelope closely granules of polystyrene, thoroughly polystyrene and air insulated are opened, reach the object that strengthens fire resistance.
The sodium lauryl sulphate adopting in the present invention or sodium laurylsulfonate are tensio-active agents, there is good lyotropy, with this, strengthen light calcium carbonate, water-ground limestone or kaolinic solvability, make in fire-retardant material each component mix more even, also improved the perviousness of fire-retardant material simultaneously, help fire-retardant material more easily to infiltrate in styrofoam, and be evenly coated on the surface of granules of polystyrene, help fire-retardant material to give full play to its fire line.
Silica aerogel is a kind of aerogel adopting in the present invention, is a kind of outer telogenesis solid state, and inside is the cancellated material in space.Owing to being full of air in the reticulated structure of space, air accounts for 80% left and right of volume, therefore the density of silica aerogel is extremely low, and thermal conductivity and specific refractory power extremely low, there is splendid thermal insulation, as wherein a kind of component of fire-retardant material, only need ratio seldom just can make the thermal conductivity of fire-retardant material reduce, guarantee that the heat-insulating property of the inorganic modified styrofoam of this fire-type is good.In addition, silica aerogel seems fragile can't bear, in fact very sturdy and durable, can bear 1400 high temperature and the low temperature of subzero 130 degrees centigrade, and help fire-retardant material further improves thermotolerance and the resistance to type that freezes.
The fire-type styrofoam of producing by the making method of this inorganic modified styrofoam provided by the invention has very excellent fire line, heat-insulating property and extremely low water-absorbent.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to claim scope.

Claims (7)

1. a making method for inorganic modified styrofoam, is characterized in that, comprises the following steps:
Preparation fire-retardant material, joins raw material in stirrer and stirs according to proportioning;
Infiltrate, first the styrofoam of moulding is put into and put into container, more described fire-retardant material is injected to described container, described fire-retardant material evenly infiltrates and solidifies gradually from the top of described styrofoam;
Dry, the styrofoam of infiltrating fire-retardant material is taken out from described container, then make described fire-retardant material dehydration form inorganic modified styrofoam by the mode of drying or dry.
2. the making method of inorganic modified styrofoam as claimed in claim 1, is characterized in that: described fire-retardant material is counted and comprised by weight:
60 ~ 80 parts of water glass or silicon sol;
15 ~ 25 parts of light calcium carbonate, water-ground limestone or kaolin;
1 ~ 2 part of polyacrylamide;
0.5 ~ 1.5 part of sodium lauryl sulphate or sodium laurylsulfonate;
4 ~ 5 parts of carbonic acid gas;
0.5 ~ 1.5 part of silica aerogel;
Described light calcium carbonate, water-ground limestone or kaolinic granularity are 800 ~ 2000 orders.
3. the making method of inorganic modified styrofoam as claimed in claim 2, it is characterized in that: in infiltrating step, by volume, be first that the styrofoam that 1m3, quality are 14 ~ 22kg is neatly placed in described container, then the fire-retardant material that is 40 ~ 100kg by quality from top pouring on described styrofoam.
4. the making method of inorganic modified styrofoam as claimed in claim 3, is characterized in that: in preparation fire-retardant material step, described stirrer is 5 ~ 10 minutes to the churning time of raw material.
5. the making method of inorganic modified styrofoam as claimed in claim 3, is characterized in that: in described container, inject after described fire-retardant material and wait for after 1 ~ 3 minute and the styrofoam of infiltrating fire-retardant material being taken out from container again.
6. the making method of inorganic modified styrofoam as claimed in claim 3, is characterized in that: in described drying step, bake out temperature is 80 ~ 100 ℃, and drying time is 40 ~ 60 minutes.
7. the making method of inorganic modified styrofoam as claimed in claim 1, is characterized in that, also comprises step:
Reclaim, from described container bottom, collect and do not infiltrate the fire-retardant material styrofoam, and sent back in described stirrer.
CN201410259859.4A 2014-06-12 2014-06-12 The manufacture method of inorganic modified styrofoam Active CN104016711B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104631735A (en) * 2014-12-23 2015-05-20 北京市安迪意松建筑科技发展有限公司 Fireproof and thermal-insulation decorative board
CN105000829A (en) * 2015-06-13 2015-10-28 刘政辰 Crystallized modified polystyrene board and manufacturing method thereof
CN106567467A (en) * 2016-08-09 2017-04-19 吴理侃 Fireproof polystyrene board and preparation method of the same
CN106567469A (en) * 2016-08-09 2017-04-19 吴理侃 Flame-retardant polystyrene board and manufacturing method thereof
CN107775969A (en) * 2016-08-27 2018-03-09 鞍山北尚华宇科技有限公司 A kind of production method of porcelain warming plate

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201411817Y (en) * 2009-06-09 2010-02-24 张全胜 Glass fiber reinforcing cement composite external heat preservation wallboard
CN102787698A (en) * 2012-07-24 2012-11-21 张云麟 Method for producing cast-in-situ insulation roof
CN103243827A (en) * 2012-09-19 2013-08-14 威海隆济时节能科技有限公司 Composite heat-insulating superimposed sheet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201411817Y (en) * 2009-06-09 2010-02-24 张全胜 Glass fiber reinforcing cement composite external heat preservation wallboard
CN102787698A (en) * 2012-07-24 2012-11-21 张云麟 Method for producing cast-in-situ insulation roof
CN103243827A (en) * 2012-09-19 2013-08-14 威海隆济时节能科技有限公司 Composite heat-insulating superimposed sheet

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104631735A (en) * 2014-12-23 2015-05-20 北京市安迪意松建筑科技发展有限公司 Fireproof and thermal-insulation decorative board
CN105000829A (en) * 2015-06-13 2015-10-28 刘政辰 Crystallized modified polystyrene board and manufacturing method thereof
CN106567467A (en) * 2016-08-09 2017-04-19 吴理侃 Fireproof polystyrene board and preparation method of the same
CN106567469A (en) * 2016-08-09 2017-04-19 吴理侃 Flame-retardant polystyrene board and manufacturing method thereof
CN106567469B (en) * 2016-08-09 2020-09-25 吴理侃 Flame-retardant polystyrene board and preparation method thereof
CN106567467B (en) * 2016-08-09 2021-02-23 吴理侃 Fireproof polystyrene board and preparation method thereof
CN107775969A (en) * 2016-08-27 2018-03-09 鞍山北尚华宇科技有限公司 A kind of production method of porcelain warming plate
CN107775969B (en) * 2016-08-27 2019-08-16 鞍山北尚华宇科技有限公司 A kind of production method of porcelain insulation board

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