CN102503337A - Prefabricated panels and preparation method thereof - Google Patents
Prefabricated panels and preparation method thereof Download PDFInfo
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- CN102503337A CN102503337A CN2011103512421A CN201110351242A CN102503337A CN 102503337 A CN102503337 A CN 102503337A CN 2011103512421 A CN2011103512421 A CN 2011103512421A CN 201110351242 A CN201110351242 A CN 201110351242A CN 102503337 A CN102503337 A CN 102503337A
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Abstract
The invention provides prefabricated panels, which comprise the following raw materials of: cement, coal ash, an aggregate of a heat-insulating material, a stone-forming agent and water, wherein a mass ratio of the cement to the coal ash is (2.0-3.5):1.0, a mass ratio of the water to the cement and the coal ash is (1.0-1.2):1.0, and a mass ratio of the cement and the coal ash to the aggregate of the heat-insulating material is (2.0-3.0):1.0; the stone-forming agent is a polymer and comprises the following components of: alkane sulfonate, dodecanol, starch, cellulose sodium, gypsum and sodium sulfate, and a mass ratio of the cement and the coal ash to the stone-forming agent is 1.0:(0.03-0.05). The prefabricated panels have high bearing capacity, good properties of heat preservation, heat insulation, fire prevention, sound insulation, leakage resistance and corrosion prevention, the explosion relief property, and the advantages of high processability, capability of being sawn, nailed, drilled, coated and bonded, no pollution and zero discharge; and the panels do not have steel frames, so a 'cold bridge' effect is avoided, and the higher requirement of the buildings can be met.
Description
Technical field
The present invention relates to building material field, be specifically related to a kind of prefabricated panels and preparation method thereof.
Background technology
Along with various heat insulatings, requirements of saving energy improve day by day; Various type materials such as inorganic thermal insulation material, organic thermal insulation materials and compound thermal insulation material arise at the historic moment; Scientific research personnel and engineering technical personnel combine with insulation stressed dexterously, so produced cement expanded perlite plate, autoclaved aerated concrete slab; Metal skinned sandwich panel; The foam cement composition board; Steel skeleton light-duty plate etc., and this trend is in continuous expansion, and development space is increasing, in Industrial buildings, storage engineering and covil construction interlayer engineering, is used widely.
Yet all there are some shortcoming and defect in existing material, as: have certain antagonism between load-bearing of cement expanded perlite plate and the insulation, bearing capacity is high, and heat-insulating property is just low, and bearing capacity is low, and heat-insulating property is just high; Autoclaved aerated concrete slab density is higher, and thermal conductivity is bigger than normal, bearing capacity is on the low side; Metal clip central layer poor durability, fire endurance is low; Foaming foam in the foam cement composition board is big, and the bubble wall is thin and crisp and be closo, and under chance regimen condition, each foam will become " sump ", and the security of member will be on the hazard; Steel skeleton light-duty plate must have the steel of exposing frame, is prone to " cold bridge " effect and easy corrosion.
Summary of the invention
The problem that the present invention solves is to provide a kind of prefabricated panels and preparation method thereof, and this prefabricated panels good combination property has good weight capacity and heat-insulating property, good endurance, and fire endurance is high, can satisfy higher building requirements.The present invention also provides the preparation method of this material of construction.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of prefabricated panels, preparation raw material comprise cement, flyash, lagging material aggregate, become stone agent and water;
The mass ratio of said cement and flyash is 2.0～3.5: 1.0; The mass ratio that water and cement add flyash is 1.0～1.2: 1.0; The mass ratio that cement adds flyash and said lagging material aggregate is 2.0～3.0: 1.0; The agent of said one-tenth stone is a polymkeric substance, and component comprises AS, lauryl alcohol, starch, sodium cellulosate, gypsum, sodium sulfate, and it is 1.0: 0.03～0.05 with the mass ratio that becomes the stone agent that cement adds flyash.
As preferably, inside is furnished with reinforcing bar or woven wire.
As preferably, has the polymer mortar layer of 2mm～3mm at the bottom of the plate of said prefabricated panels.
As preferably, the mass ratio that said water and cement add flyash is 1.1: 1.0.
As preferably, said lagging material aggregate is one or more material blends in pearlstone, glass bead, multicellular glass, the phenol formaldehyde foam.
As preferably, said lagging material aggregate is a pearlstone, and particle diameter is 1mm～3mm, and the mass ratio that said cement adds flyash and pearlstone is 2.2: 1.0.
As preferably, said cement is that mass ratio is that No. 42.5 aluminosulfate cements and No. 42.5 ordinary Portland cements of 2: 8 mix.
As preferably, said flyash is II level flyash.
As preferably, specification for long * wide * thick: 1500mm * 3000mm * 100mm.
A kind of preparation method of prefabricated panels may further comprise the steps:
Cement, flyash, the agent of one-tenth stone and water are mixed stirring, drop into the lagging material aggregate then and stir, obtain slurry, re-use mould and build moulding;
The mass ratio of said cement and flyash is 2.0～3.5: 1.0; The mass ratio that water and cement add flyash is 1.0～1.2: 1.0; The mass ratio that cement adds flyash and said lagging material aggregate is 2.0～3.0: 1.0; The agent of said one-tenth stone is a polymkeric substance, and component comprises AS, lauryl alcohol, starch, sodium cellulosate, gypsum, sodium sulfate, and it is 1.0: 0.03～0.05 with the mass ratio that becomes the stone agent that cement adds flyash.
As preferably, in said mould, put into reinforcing bar or woven wire before building, more said slurry is built the moulding of progressive die tool.
As preferably, build moulding after, at the bottom of plate, scrape the polymer mortar of 2mm～3mm.
As preferably, said lagging material aggregate is a pearlstone, and particle diameter is 1mm～3mm.
As preferably, said cement is that mass ratio is that No. 42.5 aluminosulfate cements and No. 42.5 ordinary Portland cements of 2: 8 mix.
The present invention provides a kind of prefabricated panels, has good weight capacity, good endurance, insulation, heat insulation, fire prevention, sound insulation, impervious, antiseptic property is good; Have the venting of dust explosion characteristic, under the effect of instantaneous blast travelling load, the utmost point can form the comminuted particle that maximum block is no more than 50g～60g in the short period of time; Also have processibility good, can saw, can follow closely, can dig, can bore, can be coated with, can paste, characteristic such as pollution-free, zero release; And this plate does not have the steel frame, and " cold bridge " effect can not take place, and antiseptic property is good; Can satisfy higher building requirements; Because it is blank that anticorrosive board and venting of dust explosion plate still belong at home, market demand is very huge, has vast potential for future development.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, describe just to further specifying feature and advantage of the present invention but should be appreciated that these, rather than to the restriction of claim of the present invention.
The present invention provides a kind of prefabricated panels, and the applicant is called " swollen stone composition board ", is cement, flyash, lagging material aggregate to be mixed be equipped with the agent of quantitative one-tenth stone, the cement base products that aquation forms under normal temperature, condition of normal pressure.
Cement is good gelling material, is made up of Calucium Silicate powder, Dicalcium Phosphate (Feed Grade), tricalcium aluminate, celite, gypsum, after water mixes; Can become hard Shi Zhuanti by the plasticity-slurry through physical-chemical reaction process; And the glued one-tenth of the shape granulated material that can will loose is whole, and it can not only harden in air, and can in water, harden better; Keep and development intensity, belong to hydraulic cementing materials.
The lagging material aggregate can be one or more material blends in pearlstone, glass bead, multicellular glass, the phenol formaldehyde foam, more preferably pearlstone.Pearlstone is raw material with the perlite ore, and perlite is the glassy lava that a kind of acid magma ejection forms, and it is volcanic glass that essential mineral is formed; Contain crystalline minerals such as a small amount of sanidine, quartz simultaneously; Perlite sharply adds thermal expansion and forms lightweight, multi-functional pearlstone through fragmentation, classification, preheating, high-temperature melting are instantaneous, is the particulate state accumulation, has micropore; Specific surface area is big, and density is 70kg/m
3, thermal conductivity 0.04w/ (mk), stable chemical performance, water absorbability be little, nontoxic, tasteless, be stale-proof, do not fire, sound-absorbing, in-40 ℃～100 ℃ scopes, is ideal thermal insulation material, has the excellent insulating performance, belongs to light skeletal.
The main raw material(s) of traditional cement pearlstone material is cement and pearlstone; Cement expanded perlite adopts concrete manufacture craft fully; Add by a certain percentage to stir behind the water by cement and pearlstone and generate uniform slurry; Can be applied to metope, roofing, pipeline etc. and locate, also can slurry be injected in the steel framework of customization, process prefabricated panels.
The present invention adopts " equivalent method of substitution " promptly to replace the cement of equivalent with the flyash of equivalent on this basis.Because the proportion of flyash and cement is respectively 2200kg/m
3And 3100kg/m
3, this " equivalent " will produce the variation on the volume, density is reduced, and bearing capacity remain unchanged.
Flyash is the industrial waste material, and particle diameter is generally 0.001～0.05mm, is solid or hollow spherical particle, and surface compact property is better, and staple is active silica and activated alumina, can produce the secondary hydration effect.Flyash equivalent replaces cement, can improve the intensity and reduction density of material, reduces the drying shrinkage degree, reduces hydration heat and expands, and improves workability, suppresses alkali and gathers materials sulfuric-resisting corrosive nature etc.
Test and practice show that cement, flyash, lagging material aggregate are compatible, are the ideal materials of producing " swollen stone composition board ".The mass ratio of cement and flyash is 2.0～3.5: 1.0 among the present invention; Wc is that the mass ratio that water and cement add flyash is 1.0～1.2: 1.0, is preferably 1.1: 1.0; The mass ratio that cement adds flyash and lagging material aggregate is 2.0～3.0: 1.0, and when the lagging material aggregate was selected pearlstone for use, (concrete and coal ash) was 2.2: 1.0 with the mass ratio of pearlstone.
For intensity and the heat retaining property of controlling prefabricated panels, preferred No. 42.5 cement of the present invention, II level flyash and top grade pearlstone prepare sheet material, and the particle diameter of pearlstone is preferably 1mm～3mm.The moulding of precoated plate needs custom mold in addition; The mould turnover rate has relation closely with " swollen stone composition board " rate of set, and " swollen stone composition board " condenses soon, and the mould turnover is just fast; " swollen stone composition board " condenses slowly; The mould turnover is just slow, and the present invention preferably uses No. 42.5 aluminosulfate cements and No. 42.5 ordinary Portland cements by 2: 8 mixed, can shorten one times time of coagulation.
In the process for preparation of " swollen stone composition board ", become the stone agent to play critical effect.One-tenth stone of the present invention agent is a kind of polymkeric substance, and its component comprises AS, lauryl alcohol (R12), starch, sodium cellulosate, gypsum, sodium sulfate etc.
Become the stone agent can make slurry evenly be adsorbed on constantly thickening of pearlstone surface; Form closely knit integral body gradually; Impel " swollen stone composition board " reexpansion simultaneously, in " swollen stone composition board ", produce the closed micropore of uniform distribution aperture, form the wall shell that pore wall thickness is about 5～10mm less than 1.0mm; Be beneficial to insulation, but can be not influential to intensity.Can improve the hydrophobic nature of pearlstone after becoming the stone agent to get into simultaneously, hydrophobic can make insulation better, has also fully proved this point through experiment.
Becoming the stone agent is white powder; Be to be polymerized through scientific technology, have good cohesiveness, retentiveness, swelling property, splitting resistance, enhanced, in solution, form little pore and technical characteristic such as hydration activity material production priming effect is arranged by organic polymer material and inorganic active excitation material.
Becoming the stone agent is amphiphilic materials, belongs to the AS of low surface tension, and especially effect is remarkable in the cement, flyash aqueous solution.On the aqueous vapor interface, hydrophobic group is to air one side oriented adsorption, on the cement, flyash water termination; The cement, flyash ion hydration adsorbs with hydrophilic group mutually; Hydrophobic group deviates from cement, flyash and ion hydration thereof, forms the hydrophobic group adsorption layer, and tries hard near air surface.Since this ion to air surface near with the adsorption that becomes the stone agent molecule on the air water interface; With the surface tension that significantly reduces water; Make cement, flyash in whipping process, produce a large amount of fine pores; These pores have the oriented adsorption layer of band identical charges, so repel each other and the ability uniform distribution.Other direction receives the influence of polar group hydratability and section thereof, polar group in water with on every side water dipole effect generation aquation, attract water molecules to form water layer to the pore surface, pore is stablized, do not break.Can also attract cement, flyash particle aquation in its water layer in addition, increase the intensity of sclerosis back shell.
Pore with better stability carries out turbulent flow and makes the cave in the cement, flyash slip, can obtain ideal hole shape and aperture, sends out porosity and the thermal conductivity that reduces material thereby improve, because environmental stress pore form is a polyhedron.Hole diameter below 200 μ m, reduces the cement and flying ash grout volume density mostly, ceaselessly stirs, and the diameter of pore will change, and to the expansion of millimeter level, this variation will make cement and flying ash grout volumetric expansion and the unloose slurry lightweight that realizes.
Become the priming effect of stone agent considerable influence to be arranged in addition to the fundamental property of cement with to flyash potential hydration activity.Become in the stone agent component to contain a certain amount of gypsum, so after cement, flyash adds water, the C in the cement clinker
3A and gypsum reaction generate ettringite, and C
3S then aquation becomes C-S-H and Ca (OH)
2Get into cement, flyash hydration reaction system, i.e. flyash-CaO-H
2The O system.
Along with the prolongation of hydration age, Ca (OH)
2Dissolving, excited molecule, C-S-H corrode the flyash particle, and the pH value that forms alkaline integument, this moment slurry around the fly ash grain will uprise.Have a large amount of Ca (OH) in the slurry
2Colloid and a small amount of tiny nucleus, wherein silicate negative ion group and Ca
2+Begin to combine, generate the C-S-H colloid on the top layer.The glassy phase on fly ash grain surface is at Ca (OH)
2, C-S-H and excited molecule common erosion under, Si-O and the disintegration of M-O bond rupture glass network take place, the C/S hydrated product of generation has improved the intensity of sclerotium.
Therefore become the priming effect of stone agent to accelerate gelating material aquation and setting rate, shortened the initial set and the final setting time of gelating material, reduced the water consumption of cement cementitious material, improved the resistance to compression and the folding strength of gelating material.
For making the present invention's " swollen stone composition board " have higher intensity, can also allocate reinforcing bar or woven wire in the preparation into, as allocate the low-carbon (LC) cold drawn steel wire into, the sheet material of processing has better load-bearing effect.
Preferably, have the polymer mortar layer of 2mm～3mm at the bottom of the plate of " swollen stone composition board " of the present invention, can resist the corrosion of acid, alkali, steam.
The preparation method of material of construction provided by the invention may further comprise the steps:
Proportional cement, flyash, the agent of one-tenth stone and water are dropped in the stirred pot, when the even slurry of a large amount of suspension microvesicle formulas occurring, drop into the lagging material aggregate then; Stir; Obtain slurry, re-use the moulding of mould one-time-concreting, this process can full-automaticly be produced;
Wherein each component proportions relation is: the mass ratio of cement and flyash is 2.0～3.5: 1.0; The mass ratio that water and cement add flyash is 1.0～1.2: 1.0; The mass ratio that cement adds flyash and lagging material aggregate is 2.0～3.0: 1.0; It is 1.0: 0.03～0.05 with the mass ratio that becomes the stone agent that cement adds flyash.
The method that the present invention adopts is the secondary batching method, than with cement, flyash, lagging material aggregate, becoming stone agent and water to put into stirred pot simultaneously, to carry out stirring method good.Because the proportion of cement is 3.1 times of water proportion; The proportion of flyash is 2.2 times of water proportion; The lagging material aggregate preferably uses pearlstone; The proportion of pearlstone is 0.16～0.18 times of water proportion, and the hydro-planing that all material stirring simultaneously can produce pearlstone makes slurry produce to a certain extent inhomogeneous.And method of the present invention has overcome grout and is difficult to mix the even defective of parcel of pearlstone, the contact area of cement and pearlstone increases, and has increased the intensity of material of construction after the preparation and has practiced thrift cement.
The present invention preferably before building, puts into reinforcing bar or woven wire in template, like the low-carbon (LC) cold drawn steel wire, the slurry that makes is poured into after fixing again.For resisting corrosion, also can, sheet material at the bottom of plate, scrape the polymer mortar of 2mm～3mm after building moulding, and polymkeric substance is the glued material of polymer, and what this area was commonly used gets final product, and generally adopts formaldehyde polyvinyl acetal.
Have according to " swollen stone composition board " can saw, can dig, assembly group flexible characteristic; Can make the specification of 1500 * 3000 * 100mm; Directly be layered on the purlin distance on the purlin of 1500mm; With 3000mm is that basic module can assembly be organized out the template that 6000mm, 7500mm, 9000mm etc. satisfy the actual requirement of engineering, can also be according to design and actual requirement of engineering, and the plate of sawing, dig into different shapes and size carries out assembly unit.
Embodiment:
Earlier cement, flyash, the agent of one-tenth stone and water are dropped in the stirred pot according to the secondary batching method, stir after 2～3 minutes, a large amount of suspension microvesicles appear in slurry, drop into pearlstone, stir; In template, allocate the low-carbon (LC) cold drawn steel wire into, the prefabricated panels that specification is 1500 * 3000 * 100mm is processed with the moulding of ready slurry one-time-concreting in fixing back.
Wherein cement 75kg, II level flyash 25kg, particle diameter are top grade pearlstone 45.5kg, the water 110kg of 1mm～3mm, and cement is that No. 42.5 aluminosulfate cements of 15kg and No. 42.5 ordinary Portland cements of 60kg mix.
Precoated plate to the present invention's preparation carries out performance test, compares with present several kinds of building boards, and data are seen table 1:
Table 1 technical characteristic with prefabricated panels and existing building sheet material of the present invention
Annotate: each association of this table only limits to general roof boarding.
Can see that the prefabricated panels that the present invention prepares compares with existing several kinds of building boards, it is higher to have a bearing capacity, and thermal conductivity is low; Good heat insulating, the advantage that fire endurance is high, and this prefabricated panels is compared with steel skeleton light-duty plate; Do not have the steel frame, " cold bridge " effect can not take place, the steam air transmission coefficient is low; Be merely 0.00004g/ (mhPa), can effectively stop the erosion of moisture and obnoxious flavour, guarantee the weather resistance of sheet material.
More than a kind of prefabricated panels provided by the present invention and preparation method thereof has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (14)
1. a prefabricated panels is characterized in that, the preparation raw material comprises cement, flyash, lagging material aggregate, becomes stone agent and water;
The mass ratio of said cement and flyash is 2.0～3.5: 1.0; The mass ratio that water and cement add flyash is 1.0～1.2: 1.0; The mass ratio that cement adds flyash and said lagging material aggregate is 2.0～3.0: 1.0; The agent of said one-tenth stone is a polymkeric substance, and component comprises AS, lauryl alcohol, starch, sodium cellulosate, gypsum, sodium sulfate, and it is 1.0: 0.03～0.05 with the mass ratio that becomes the stone agent that cement adds flyash.
2. prefabricated panels according to claim 1 is characterized in that inside is furnished with reinforcing bar or woven wire.
3. prefabricated panels according to claim 1 and 2 is characterized in that, has the polymer mortar layer of 2mm～3mm at the bottom of the plate of said prefabricated panels.
4. prefabricated panels according to claim 1 and 2 is characterized in that, the mass ratio that said water and cement add flyash is 1.1: 1.0.
5. prefabricated panels according to claim 1 and 2 is characterized in that, said lagging material aggregate is one or more material blends in pearlstone, glass bead, multicellular glass, the phenol formaldehyde foam.
6. prefabricated panels according to claim 5 is characterized in that, said lagging material aggregate is a pearlstone, and particle diameter is 1mm～3mm, and the mass ratio that said cement adds flyash and said pearlstone is 2.2: 1.0.
7. prefabricated panels according to claim 1 and 2 is characterized in that, said cement is that mass ratio is that No. 42.5 aluminosulfate cements and No. 42.5 ordinary Portland cements of 2: 8 mix.
8. prefabricated panels according to claim 1 and 2 is characterized in that, said flyash is II level flyash.
9. prefabricated panels according to claim 1 and 2 is characterized in that, specification for long * wide * thick: 1500mm * 3000mm * 100mm.
10. the preparation method of a prefabricated panels is characterized in that, may further comprise the steps:
Cement, flyash, the agent of one-tenth stone and water are mixed stirring, drop into the lagging material aggregate then and stir, obtain slurry, re-use template and build moulding;
The mass ratio of said cement and flyash is 2.0～3.5: 1.0; The mass ratio that water and cement add flyash is 1.0～1.2: 1.0; The mass ratio that cement adds flyash and said lagging material aggregate is 2.0～3.0: 1.0; The agent of said one-tenth stone is a polymkeric substance, and component comprises AS, lauryl alcohol, starch, sodium cellulosate, gypsum, sodium sulfate, and it is 1.0: 0.03～0.05 with the mass ratio that becomes the stone agent that cement adds flyash.
11. preparation method according to claim 10 is characterized in that, in said template, puts into reinforcing bar or woven wire before building, and more said slurry is built the progressive die sheet metal forming.
12. according to claim 10 or 11 described preparing methods, it is characterized in that, behind the casting, at the bottom of plate, scrape the polymer mortar of 2mm～3mm.
13. according to claim 10 or 11 described preparing methods, it is characterized in that said lagging material aggregate is a pearlstone, particle diameter is 1mm～3mm.
14., it is characterized in that said cement is that mass ratio is that No. 42.5 aluminosulfate cements and No. 42.5 ordinary Portland cements of 2: 8 mix according to claim 10 or 11 described preparing methods.
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| CN201110351242.1A CN102503337B (en) | 2011-11-08 | 2011-11-08 | Prefabricated panels and preparation method thereof |
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|---|---|---|---|
| CN201110351242.1A CN102503337B (en) | 2011-11-08 | 2011-11-08 | Prefabricated panels and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304212A (en) * | 2013-06-10 | 2013-09-18 | 嘉兴学院 | Foam glass insulation board |
| CN103664101A (en) * | 2013-11-26 | 2014-03-26 | 蚌埠市天网渔需用品有限公司 | Inorganic phenolic aldehyde compound thermal insulation mortar |
| CN106116433A (en) * | 2016-06-30 | 2016-11-16 | 唐兴彦 | A kind of high-strength fire-retardant precoated plate and production technology thereof |
| CN106316458A (en) * | 2016-08-30 | 2017-01-11 | 石家庄冉川建材科技有限公司 | Mortar for lightweight board of steel framework and preparation method of mortar |
| CN107963840A (en) * | 2017-10-09 | 2018-04-27 | 西南科技大学 | A kind of pressure release building board and its mounting structure using modified expanded glass bead |
| CN108017344A (en) * | 2017-12-02 | 2018-05-11 | 广东新元素板业有限公司 | It is used to prepare the wood-fibred enhancing inorganic gel material and preparation method of venting of dust explosion plate |
| CN109159280A (en) * | 2018-08-17 | 2019-01-08 | 中国人民解放军63926部队 | A kind of launching workplace diversion trench i.e. dress formula ablation prefabricated component resistant to high temperatures and protective refractory layer construction method |
| CN113860839A (en) * | 2021-10-29 | 2021-12-31 | 广西新筑新材料科技有限公司 | Cement ribbon board and preparation method thereof |
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| CN1458356A (en) * | 2003-05-27 | 2003-11-26 | 王凤蕊 | Air-entraining thermal insulation board and its producing method and special forming device |
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| CN1458356A (en) * | 2003-05-27 | 2003-11-26 | 王凤蕊 | Air-entraining thermal insulation board and its producing method and special forming device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304212A (en) * | 2013-06-10 | 2013-09-18 | 嘉兴学院 | Foam glass insulation board |
| CN103304212B (en) * | 2013-06-10 | 2014-12-24 | 嘉兴学院 | Foam glass insulation board |
| CN103664101A (en) * | 2013-11-26 | 2014-03-26 | 蚌埠市天网渔需用品有限公司 | Inorganic phenolic aldehyde compound thermal insulation mortar |
| CN106116433A (en) * | 2016-06-30 | 2016-11-16 | 唐兴彦 | A kind of high-strength fire-retardant precoated plate and production technology thereof |
| CN106116433B (en) * | 2016-06-30 | 2017-10-24 | 唐兴彦 | A kind of high-strength fire-retardant prefabricated board and its production technology |
| CN106316458A (en) * | 2016-08-30 | 2017-01-11 | 石家庄冉川建材科技有限公司 | Mortar for lightweight board of steel framework and preparation method of mortar |
| CN107963840A (en) * | 2017-10-09 | 2018-04-27 | 西南科技大学 | A kind of pressure release building board and its mounting structure using modified expanded glass bead |
| CN108017344A (en) * | 2017-12-02 | 2018-05-11 | 广东新元素板业有限公司 | It is used to prepare the wood-fibred enhancing inorganic gel material and preparation method of venting of dust explosion plate |
| CN108017344B (en) * | 2017-12-02 | 2020-09-29 | 广东新元素板业有限公司 | Wood fiber reinforced inorganic cementitious material for preparing explosion venting plate and preparation method thereof |
| CN109159280A (en) * | 2018-08-17 | 2019-01-08 | 中国人民解放军63926部队 | A kind of launching workplace diversion trench i.e. dress formula ablation prefabricated component resistant to high temperatures and protective refractory layer construction method |
| CN109159280B (en) * | 2018-08-17 | 2023-12-05 | 中国人民解放军63926部队 | Ready-to-install high-temperature ablation-resistant prefabricated member for launching station diversion trench and construction method of fire-resistant protective layer |
| CN113860839A (en) * | 2021-10-29 | 2021-12-31 | 广西新筑新材料科技有限公司 | Cement ribbon board and preparation method thereof |
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|---|---|
| CN102503337B (en) | 2014-07-30 |
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