CN110092609A - A kind of organically-modified styrofoam and preparation method thereof - Google Patents
A kind of organically-modified styrofoam and preparation method thereof Download PDFInfo
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- CN110092609A CN110092609A CN201910462464.7A CN201910462464A CN110092609A CN 110092609 A CN110092609 A CN 110092609A CN 201910462464 A CN201910462464 A CN 201910462464A CN 110092609 A CN110092609 A CN 110092609A
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- 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
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- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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Abstract
A kind of organically-modified styrofoam of the present invention and preparation method thereof, with expandable polystyrene, magnesia, magnesium chloride, reinforcing agent, curing agent, accumulation of salt in the surface soil agent, mill base is as raw material, using formula, mill base mixing, prefoam, molding, preparation fire prevention solidification enhancement solution, absorption, High Temperature Curing and etc. prepare organic modified polyphenyl plate, solidify enhancement solution using Novel fireproof, improve the toughness of modified polyphenyl plate and the flame retardant property of product, timber intensity, it is small traditional polystyrene foam plate thermal coefficient has been continued, the big advantage of heat storage coefficient, its thermal-insulation energy-conservation effect is better than common modifications styrofoam, the inflammable disadvantage of traditional polystyrene foam plate is also overcomed simultaneously, security performance is high, defined thermal insulation material A grades of fire-protection standards are reached, preparation method is mature, convenient for worker's construction, and it is safe and reliable, there is no it His unstable defect of new material system.
Description
Technical field
The present invention relates to the field of building materials, specifically a kind of organically-modified styrofoam and preparation method thereof.
Background technique
The full name of styrofoam refers to polystyrene foam plate, and styrofoam mainly uses expandable polystyrene bead,
Carry out a kind of white solid with fine hole-closing structure of hot briquetting in a mold later through overheating pre- hair, curing.
Styrofoam is since it is with lower thermal coefficient, good acid and alkali-resistance corruption in existing numerous external-wall heat-insulation materials
Corrosion, unsuitable warpage, it is easy to produce the features such as, so occupy very high market ratio, but styrofoam is inflammable because its material belongs to
Material, chance fire is inflammable, and when fire occurs, the rate of fire travel is fast, and with a large amount of molten drop object, smog and pernicious gas, no
Environment is only polluted, certain harm can be also caused to daily life, therefore the prior art is modified styrofoam
Processing, with this come overcome traditional styrofoam it is inflammable, burning when shrink, melting, drippage the disadvantages of.
In the prior art, patent CN104031325B " polystyrene foam plate, its production method and the solidification for it
Agent " discloses a kind of biomass modified polystyrene foam plate and preparation method thereof, and preparing raw material includes expandability polyphenyl second
Alkene particle, thermosetting resin, curing agent, fire retardant, the thermosetting resin is biomass modified furane resins, mainly by first
Aldehyde, urea, furfuryl alcohol, lignin are made, the relatively complicated complexity of production technology, are not easy to direct labor's operation, and production process is deposited
In certain unstability, it is unfavorable for modified polyphenyl plate and uses the method in largely producing by batch.
The polyphenyl panel products produced at present have a degree of production defect, and therefore, it is new how production development goes out one kind
Type styrofoam keeps its performance more excellent, and production is more stable, is to be badly in need of the problem to be solved.
Summary of the invention
Against the above technical problems, present invention technical effect to be achieved is to provide a kind of solidified using Novel fireproof and increased
Strong liquid, improves the flame retardant property and timber intensity of product, the easy organically-modified styrofoam and preparation method thereof of preparation method.
In order to solve the above technical problems, the invention adopts the following technical scheme: a kind of organically-modified styrofoam and its preparation
The parts by weight of method, raw material components and each component are as follows: 100-140 parts of expandable polystyrene, 600-660 parts of magnesia,
600-660 parts of magnesium chloride, 8-12 parts of reinforcing agent, 16-23 parts of curing agent, 2-8 parts of accumulation of salt in the surface soil agent, 26-34 parts of mill base；It is described organic
The preparation method of modified polyphenyl plate, comprising the following steps:
(1) spare according to formula precise each raw material component；
(2) dispersator and turn on agitator are opened, by the load weighted expandable polystyrene and the mill base
It is put into the dispersator, until the expandable polystyrene and the mill base are uniformly mixed, obtains mixture；
(3) steam foaming machine is opened, the expandable polystyrene being uniformly mixed with the mill base is put into steam foaming machine
Middle carry out prefoam obtains coloring expandable polystyrene, and is cured, dried；
(4) the coloring expandable polystyrene after drying is placed in plate forming mold, in certain steam pressure
Under the conditions of, substrate plate is obtained, by the substrate plate after taking out in molding die, design requirement is cut by cutting machine
Thickness and size, obtain standard substrate plate；
(5) agitator tank is opened, the spare good magnesia, magnesium chloride, reinforcing agent, curing agent, accumulation of salt in the surface soil agent are successively thrown
Enter in agitator tank, and open agitator tank and stirred for the first time, after to be mixed, according to the weight of additive in agitator tank, adds
Enter equal proportion quality water of the water temperature at 35-40 DEG C, carry out secondary agitation, solidifies enhancement solution after stirring to get fire prevention；
(6) fire prevention solidification enhancement solution is passed through into negative pressure of vacuum adsorption plant uniform adsorption in the standard substrate plate
Surface obtains homogeneous sheet forming；
(7) the homogeneous sheet forming is put into steam-cured kettle, carries out high-temperature steam curing, obtains sheet forming.
Further, the curing agent is phosphoric acid, magnesium sulfate, and the accumulation of salt in the surface soil agent is magnesite modification agent, and the reinforcing agent is to have
Machine silicon defoaming agent, lotus root connect agent.
Further, in step (3), steam pre-foaming condition are as follows: steam pressure 0.5-0.8MPa, foamed time 3-4 points
Clock, obtaining the coloring expandable polystyrene expansion density is 12-18kg/m3。
Further, in step (4), plate forming condition are as follows: mold steam pressure 0.6-0.8MPa.
Further, in step (5), stirring condition for the first time are as follows: mixing time 5-8 minutes, mixing speed 27-35r/
min；The condition of secondary agitation are as follows: mixing time 5-6 minutes, mixing speed 27-35r/min.
Further, in step (6), the fire prevention solidifies enhancement solution overlay film thickness on the standard substrate plate surface
For 0.2-0.3mm.
Further, in step (7), High Temperature Curing condition are as follows: saturated vapour pressure 0.1-0.2MPa, when high-temperature steam curing
Between 40-48 hours.
Compared with the prior art, the present invention has the following advantages:
1. present invention fire prevention solidify reinforcing agent in enhancement solution, curing agent, accumulation of salt in the surface soil agent primary raw material be respectively phosphoric acid or
Magnesium sulfate, magnesite modification agent, organic silicon defoamer or lotus root connect agent, and the above material is organic matter, with existing polystyrene foam
Plate is compared, and content of formaldehyde is lower, has the preferable feature of environmental protection.
2. in the present invention organically-modified styrofoam produced and preparation method thereof, fire prevention solidification enhancement solution is mainly by aoxidizing
Magnesium, magnesium chloride, reinforcing agent, curing agent, accumulation of salt in the surface soil agent are prepared, and fire prevention solidification enhancement solution is so passed through negative pressure of vacuum adsorption plant
Make its uniform adsorption in standard substrate plate surface, can preferably improve the toughness of modified polyphenyl plate, improves and metope base
The sticking strength of layer, greatly ensure that modified polyphenyl plate can be improved again while can produce by batch the flame retardant property of product with
Timber intensity.
3. preparation method is simple, technical process in the present invention organically-modified styrofoam produced and preparation method thereof
It is easy to implement large-scale production operation, and safe and reliable, there is no the unstable defects of other new material systems.
4. the present invention organically-modified polyphenyl plate heat preserving heat-insulating and energy-saving effect produced is better than common modifications styrofoam, simultaneously
The inflammable disadvantage of traditional polystyrene foam plate is overcome, security performance is high, has reached defined thermal insulation material A grades of fire prevention mark
Standard, using can not only play heat-insulated effect in building and automobile industry, moreover it is possible to play fireproof effect.
5. the present invention organically-modified styrofoam produced, remain traditional polystyrene foam plate " thermal coefficient is low,
Heat insulation effect is good, technical maturity " the advantages of, and it is low in cost, price is well below similar A grades of flame retardant type thermal insulating material in the market
Material obtains A grades of fire-retardant effects with the price of common material, and cost performance is superior, wide market.
Specific embodiment
To better illustrate the object, technical solutions and advantages of the present invention, below in conjunction with specific embodiment to the present invention
It is described further.
A kind of embodiment 1: organically-modified styrofoam and preparation method thereof
(1) according to formula precise each raw material component: expandable polystyrene 13kg, magnesia 62kg, magnesium chloride
62kg, organic silicon defoamer 0.90kg, magnesium sulfate 1.80kg, magnesite modification agent 0.6kg, mill base 3.20kg；
(2) dispersator and turn on agitator are opened, load weighted expandable polystyrene and mill base are put into this point
It dissipates in blender, until expandable polystyrene and mill base are uniformly mixed, obtains mixture；
(3) steam foaming machine is opened, said mixture is put into steam foaming machine and carries out prefoam, keeps steam pressure
For 0.5MPa, foamed time 3 minutes, coloring expandable polystyrene, expansion density 14kg/m are obtained3, then will coloring
Expandable polystyrene is dried；
(4) the coloring expandable polystyrene after drying is placed in plate forming mold, holding steam pressure is
0.6MPa obtains substrate plate, and by substrate plate after taking out in molding die, the thickness of design requirement is cut by cutting machine
Degree and size, obtain standard substrate plate；
(5) agitator tank is opened, by spare good magnesia, magnesium chloride, organic silicon defoamer, magnesium sulfate, magnesite modification agent
It is sequentially sequentially placed into agitator tank according to the proportion, opens agitator tank and at the uniform velocity stir 6 minutes, mixing speed 30r/min, to
After stirring 6 minutes, according to the total weight of additive in agitator tank, the water of quality 140.30kg such as be added, water temperature at 36 DEG C,
Mixing speed is 32r/min, is stirred for solidifying enhancement solution to get fire prevention in 5 minutes.
(6) fire prevention solidification enhancement solution is passed through into negative pressure of vacuum adsorption plant uniform adsorption in the standard substrate plate table
Face makes fire prevention solidification enhancement solution overlay film on standard substrate plate surface obtain homogeneous sheet forming with a thickness of 0.2mm；
(7) homogeneous sheet forming is put into steam-cured kettle, carries out high-temperature steam curing, protect saturated vapour pressure 0.2MPa, high temperature
42 hours steam-cured time, finally obtain sheet forming.
A kind of embodiment 2: organically-modified styrofoam and preparation method thereof
(1) according to formula precise each raw material component: expandable polystyrene 11kg, magnesia 65kg, magnesium chloride
65kg, lotus root connect agent 1.10kg, phosphoric acid 2.20kg, magnesite modification agent 0.30kg, mill base 2.80kg；
(2) dispersator and turn on agitator are opened, load weighted expandable polystyrene and mill base are put into this point
It dissipates in blender, until expandable polystyrene and mill base are uniformly mixed, obtains mixture；
(3) steam foaming machine is opened, said mixture is put into steam foaming machine and carries out prefoam, keeps steam pressure
For 0.6MPa, foamed time 3 minutes, coloring expandable polystyrene, expansion density 16kg/m are obtained3, then will coloring
Expandable polystyrene is dried；
(4) the coloring expandable polystyrene after drying is placed in plate forming mold, holding steam pressure is
0.7MPa obtains substrate plate, and by substrate plate after taking out in molding die, the thickness of design requirement is cut by cutting machine
Degree and size, obtain standard substrate plate；
(5) agitator tank is opened, spare good magnesia, magnesium chloride, lotus root are connected into agent, phosphoric acid, magnesite modification agent according to the proportion
Sequence is sequentially placed into agitator tank, is opened agitator tank and at the uniform velocity stir 5 minutes, mixing speed 28r/min, 5 points to be mixed
After clock, according to the total weight of additive in agitator tank, the water of the quality 147.40kg such as addition, water temperature is at 38 DEG C, stirring speed
Degree is 30r/min, is stirred for solidifying enhancement solution to get fire prevention in 6 minutes.
(6) fire prevention solidification enhancement solution is passed through into negative pressure of vacuum adsorption plant uniform adsorption in the standard substrate plate table
Face makes fire prevention solidification enhancement solution overlay film on standard substrate plate surface obtain homogeneous sheet forming with a thickness of 0.2mm；
(7) homogeneous sheet forming is put into steam-cured kettle, carries out high-temperature steam curing, protect saturated vapour pressure 0.2MPa, high temperature
41 hours steam-cured time, finally obtain sheet forming.
A kind of embodiment 3: organically-modified styrofoam and preparation method thereof
(1) according to formula precise each raw material component: expandable polystyrene 12kg, magnesia 64kg, magnesium chloride
64kg, organic silicon defoamer 1.00kg, phosphoric acid 2.00kg, magnesite modification agent 0.50kg, mill base 3.00kg；
(2) dispersator and turn on agitator are opened, load weighted expandable polystyrene and mill base are put into this point
It dissipates in blender, until expandable polystyrene and mill base are uniformly mixed, obtains mixture；
(3) steam foaming machine is opened, said mixture is put into steam foaming machine and carries out prefoam, keeps steam pressure
For 0.7MPa, foamed time 4 minutes, coloring expandable polystyrene, expansion density 17kg/m are obtained3, then will coloring
Expandable polystyrene is dried；
(4) the coloring expandable polystyrene after drying is placed in plate forming mold, holding steam pressure is
0.6MPa obtains substrate plate, and by substrate plate after taking out in molding die, the thickness of design requirement is cut by cutting machine
Degree and size, obtain standard substrate plate；
(5) agitator tank is opened, spare good magnesia, magnesium chloride, organic silicon defoamer, phosphoric acid, magnesite modification agent are pressed
It is sequentially placed into agitator tank according to proportion sequence, opens agitator tank and at the uniform velocity stir 7 minutes, mixing speed 31r/min, wait stir
After mixing 7 minutes, according to the total weight of additive in agitator tank, the water of the quality 146.50kg such as addition, water temperature is stirred at 37 DEG C
Mixing speed is 35r/min, is stirred for solidifying enhancement solution to get fire prevention in 5 minutes.
(6) fire prevention solidification enhancement solution is passed through into negative pressure of vacuum adsorption plant uniform adsorption in the standard substrate plate table
Face makes fire prevention solidification enhancement solution overlay film on standard substrate plate surface obtain homogeneous sheet forming with a thickness of 0.3mm；
(7) homogeneous sheet forming is put into steam-cured kettle, carries out high-temperature steam curing, protect saturated vapour pressure 0.15MPa, high temperature
45 hours steam-cured time, finally obtain sheet forming.
A kind of embodiment 4: organically-modified styrofoam and preparation method thereof
(1) according to formula precise each raw material component: expandable polystyrene 10kg, magnesia 60kg, magnesium chloride
60kg, lotus root connect agent 0.80kg, magnesium sulfate 1.60kg, magnesite modification agent 0.2kg, mill base 2.60kg；
(2) dispersator and turn on agitator are opened, load weighted expandable polystyrene and mill base are put into this point
It dissipates in blender, until expandable polystyrene and mill base are uniformly mixed, obtains mixture；
(3) steam foaming machine is opened, said mixture is put into steam foaming machine and carries out prefoam, keeps steam pressure
For 0.6MPa, foamed time 3.5 minutes, coloring expandable polystyrene, expansion density 15kg/m are obtained3, then incite somebody to action
Color expandable polystyrene is dried；
(4) the coloring expandable polystyrene after drying is placed in plate forming mold, holding steam pressure is
0.6MPa obtains substrate plate, and by substrate plate after taking out in molding die, the thickness of design requirement is cut by cutting machine
Degree and size, obtain standard substrate plate；
(5) agitator tank is opened, spare good magnesia, magnesium chloride, lotus root are connected into agent, magnesium sulfate, magnesite modification agent according to matching
Than being sequentially sequentially placed into agitator tank, opens agitator tank and at the uniform velocity stir 5 minutes, mixing speed 28r/min, to be mixed 5
After minute, according to the total weight of additive in agitator tank, the water of the quality 135.20kg such as addition, water temperature is at 35 DEG C, stirring
Speed is 29r/min, is stirred for solidifying enhancement solution to get fire prevention in 6 minutes.
(6) fire prevention solidification enhancement solution is passed through into negative pressure of vacuum adsorption plant uniform adsorption in the standard substrate plate table
Face makes fire prevention solidification enhancement solution overlay film on standard substrate plate surface obtain homogeneous sheet forming with a thickness of 0.2mm；
(7) homogeneous sheet forming is put into steam-cured kettle, carries out high-temperature steam curing, protect saturated vapour pressure 0.1MPa, high temperature
43 hours steam-cured time, finally obtain sheet forming.
A kind of embodiment 5: organically-modified styrofoam and preparation method thereof
(1) according to formula precise each raw material component: expandable polystyrene 14kg, magnesia 66kg, magnesium chloride
66kg, lotus root connect agent 1.20kg, phosphoric acid 2.30kg, magnesite modification agent 0.80kg, mill base 3.40kg；
(2) dispersator and turn on agitator are opened, load weighted expandable polystyrene and mill base are put into this point
It dissipates in blender, until expandable polystyrene and mill base are uniformly mixed, obtains mixture；
(3) steam foaming machine is opened, said mixture is put into steam foaming machine and carries out prefoam, keeps steam pressure
For 0.8MPa, foamed time 4 minutes, coloring expandable polystyrene, expansion density 16kg/m are obtained3, then will coloring
Expandable polystyrene is dried；
(4) the coloring expandable polystyrene after drying is placed in plate forming mold, holding steam pressure is
0.8MPa obtains substrate plate, and by substrate plate after taking out in molding die, the thickness of design requirement is cut by cutting machine
Degree and size, obtain standard substrate plate；
(5) agitator tank is opened, spare good magnesia, magnesium chloride, lotus root are connected into agent, phosphoric acid, magnesite modification agent according to the proportion
Sequence is sequentially placed into agitator tank, is opened agitator tank and at the uniform velocity stir 8 minutes, mixing speed 32r/min, 8 points to be mixed
After clock, according to the total weight of additive in agitator tank, the water of the quality 153.70kg such as addition, water temperature is at 40 DEG C, stirring speed
Degree is 32r/min, is stirred for solidifying enhancement solution to get fire prevention in 6 minutes.
(6) fire prevention solidification enhancement solution is passed through into negative pressure of vacuum adsorption plant uniform adsorption in the standard substrate plate table
Face makes fire prevention solidification enhancement solution overlay film on standard substrate plate surface obtain homogeneous sheet forming with a thickness of 0.3mm；
(7) homogeneous sheet forming is put into steam-cured kettle, carries out high-temperature steam curing, protect saturated vapour pressure 0.2MPa, high temperature
46 hours steam-cured time, finally obtain sheet forming.
A kind of embodiment 6: organically-modified styrofoam and preparation method thereof
(1) according to formula precise each raw material component: expandable polystyrene 11kg, magnesia 61kg, magnesium chloride
61kg, lotus root connect agent 0.90kg, magnesium sulfate 1.90kg, magnesite modification agent 0.4kg, mill base 3.10kg；
(2) dispersator and turn on agitator are opened, load weighted expandable polystyrene and mill base are put into this point
It dissipates in blender, until expandable polystyrene and mill base are uniformly mixed, obtains mixture；
(3) steam foaming machine is opened, said mixture is put into steam foaming machine and carries out prefoam, keeps steam pressure
For 0.6MPa, foamed time 4 minutes, coloring expandable polystyrene, expansion density 18kg/m are obtained3, then will coloring
Expandable polystyrene is dried；
(4) the coloring expandable polystyrene after drying is placed in plate forming mold, holding steam pressure is
0.6MPa obtains substrate plate, and by substrate plate after taking out in molding die, the thickness of design requirement is cut by cutting machine
Degree and size, obtain standard substrate plate；
(5) agitator tank is opened, spare good magnesia, magnesium chloride, lotus root are connected into agent, magnesium sulfate, magnesite modification agent according to matching
Than being sequentially sequentially placed into agitator tank, opens agitator tank and at the uniform velocity stir 7 minutes, mixing speed 29r/min, to be mixed 7
After minute, according to the total weight of additive in agitator tank, the water of the quality 139.30kg such as addition, water temperature is at 39 DEG C, stirring
Speed is 30r/min, is stirred for solidifying enhancement solution to get fire prevention in 6 minutes.
(6) fire prevention solidification enhancement solution is passed through into negative pressure of vacuum adsorption plant uniform adsorption in the standard substrate plate table
Face makes fire prevention solidification enhancement solution overlay film on standard substrate plate surface obtain homogeneous sheet forming with a thickness of 0.2mm；
(7) homogeneous sheet forming is put into steam-cured kettle, carries out high-temperature steam curing, protect saturated vapour pressure 0.2MPa, high temperature
44 hours steam-cured time, finally obtain sheet forming.
Take respectively above-described embodiment 1-6 sample according to GB8624-2012 " construction material and classification of combustion properties of building materials and products ",
JG/T536-2017 " thermosetting composite polystyrene foam heat-insulating board " building industry professional standard, " builds with GB/T5464-2010
Build material not so property test method ", GB/T20284-2006 " test of the monomer combustion of construction material or product ", GB/
T14402-2007 " measurement of the new energy combustion heat value of the burning of construction material and product ", " inorganic hard is exhausted by GB/T5486-2008
Hot article test method ", GB/T10294-2008 " Technology of Steady State Thermal Resistance of Thermal Insulating Material and the measurement in relation to the characteristic " method of inspection carry out
Performance detection, testing result are as shown in the table:
Embodiment sample inspection result statistical form
The various performance parameters that can be seen that 6 embodiment samples from the above inspection result meet GB8624-2012
" construction material and classification of combustion properties of building materials and products ", JG/T536-2017 " thermosetting composite polystyrene foam heat-insulating board " building industry
The index of correlation requirement of professional standard.Wherein with the sustained combustion time of 3 sample of embodiment is most short, thermal coefficient highest, resistance to compression
Maximum intensity, flexural strength are maximum.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of organically-modified styrofoam and preparation method thereof, it is characterised in that: the parts by weight of its raw material components and each component
Are as follows: 100-140 parts of expandable polystyrene, 600-660 parts of magnesia, 600-660 parts of magnesium chloride, 8-12 parts of reinforcing agent, solidification
16-23 parts of agent, 2-8 parts of accumulation of salt in the surface soil agent, 26-34 parts of mill base；The preparation method of the organically-modified styrofoam, comprising the following steps:
(1) spare according to formula precise each raw material component；
(2) dispersator and turn on agitator are opened, the load weighted expandable polystyrene and the mill base are put into
In the dispersator, until the expandable polystyrene and the mill base are uniformly mixed, mixture is obtained；
(3) steam foaming machine is opened, said mixture is put into steam foaming machine and carries out prefoam, it is poly- to obtain coloring expandability
Styrene, and cured, dried；
(4) the coloring expandable polystyrene after drying is placed in plate forming mold, in certain steam pressure condition
Under, substrate plate is obtained, by the substrate plate after taking out in molding die, the thickness of design requirement is cut by cutting machine
Degree and size, obtain standard substrate plate；
(5) agitator tank is opened, the spare good magnesia, magnesium chloride, reinforcing agent, curing agent, accumulation of salt in the surface soil agent are successively put into and stirred
It mixes in tank, and opens agitator tank and stirred for the first time, after to be mixed, according to the weight of additive in agitator tank, water is added
Equal proportion quality water of the temperature at 35-40 DEG C carries out secondary agitation, solidifies enhancement solution after stirring to get fire prevention；
(6) fire prevention solidification enhancement solution is passed through into negative pressure of vacuum adsorption plant uniform adsorption in the standard substrate plate table
Face obtains homogeneous sheet forming；
(7) the homogeneous sheet forming is put into steam-cured kettle, carries out high-temperature steam curing, obtains sheet forming.
2. a kind of organically-modified styrofoam according to claim 1 and preparation method thereof, it is characterised in that: the curing agent
For phosphoric acid, magnesium sulfate, the accumulation of salt in the surface soil agent is magnesite modification agent, and the reinforcing agent is organic silicon defoamer, lotus root connects agent.
3. a kind of organically-modified styrofoam according to claim 1 and preparation method thereof, it is characterised in that: in step (3)
In, steam pre-foaming condition are as follows: steam pressure 0.5-0.8MPa foamed time 3-4 minutes, obtains the coloring expandability polyphenyl
Ethylene expansion density is 12-18kg/m3.
4. a kind of organically-modified styrofoam according to claim 1 and preparation method thereof, it is characterised in that: in step (4)
In, plate forming condition are as follows: mold steam pressure 0.6-0.8MPa.
5. a kind of organically-modified styrofoam according to claim 1 and preparation method thereof, it is characterised in that: in step (5)
In, stirring condition for the first time are as follows: mixing time 5-8 minutes, mixing speed 27-35r/min；The condition of secondary agitation are as follows: stirring
Time 5-6 minute, mixing speed 27-35r/min.
6. a kind of organically-modified styrofoam according to claim 1 and preparation method thereof, it is characterised in that: in step (6)
In, fire prevention solidification enhancement solution on the standard substrate plate surface overlay film with a thickness of 0.2-0.3mm.
7. a kind of organically-modified styrofoam according to claim 1 and preparation method thereof, it is characterised in that: in step (7)
In, High Temperature Curing condition are as follows: saturated vapour pressure 0.1-0.2MPa, the high-temperature steam curing time 40-48 hours.
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