CN104402342B - Modified polystyrene cement foam board and manufacturing method thereof - Google Patents

Modified polystyrene cement foam board and manufacturing method thereof Download PDF

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Publication number
CN104402342B
CN104402342B CN201410691967.9A CN201410691967A CN104402342B CN 104402342 B CN104402342 B CN 104402342B CN 201410691967 A CN201410691967 A CN 201410691967A CN 104402342 B CN104402342 B CN 104402342B
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parts
agent
cement
accounts
mps
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CN104402342A (en
Inventor
成军
石建新
卜爱群
张年祥
石建平
叶文春
冯敏
蒋东兴
刘伟
马新建
黄伟
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Jiangsu Jin He construction engineering corporation, Ltd
Nantong University
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Jiangsu Jin He Construction Engineering Corp Ltd
Nantong University
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Abstract

The invention provides a modified polystyrene cement foam board. The modified polystyrene cement foam board includes the following components in part by weight: 10 to 20 parts of polystyrene foam particles with a particle diameter between 3 millimeters and 5 millimeters, 200 to 300 parts of cement, 100 to 150 parts of water, 15 to 20 parts of fly ash with a particle diameter between 100 microns and 200 microns, 10 to 20 parts of kaolin, 3 to 5 parts of a flocculant, 2 to 4 parts of a surfactant, 5 to 10 parts of carbon dioxide, 3 to 8 parts of a hydrophobing agent, and 3 to 8 parts of an anti-freezing agent. The modified polystyrene cement foam board has the advantages that through the joint action of the anti-freezing agent, the hydrophobing agent, the carbon dioxide and the surfactant, the water absorption rate of the board is reduced, and the anti-freezing performance of the board is greatly improved, so that the cracking phenomenon is prevented even in a low-temperature environment, stable heat-retaining property and volume weight are maintained, and the reliability and a long service life of the board are guaranteed.

Description

MPS cement-foam panel and its manufacture method
Technical field
The present invention relates to building material technical field, more particularly to a kind of MPS cement-foam panel and its manufacture Method.
Background technology
At present building heat preserving material on the market includes styrofoam, phenolic board, hard bubble composite polyurethane plate, rock wool, guarantor Warm mortar, cement board, although wherein phenolic board heat-insulating property is preferable, fire protecting performance is high, technology is also immature, also exists The problems such as water absorption rate is higher is not yet solved, and popularization and application are difficult in a short time;Hard bubble composite polyurethane plate combustibility index only GB8624-2012 can be reached《Construction material and product burns grading performance》B1Level, and technical threshold is higher, general enterprises It is difficult to reach the requirement of production, causes product price very high, greatly increases construction cost;Styrofoam full name polystyrene steeps Foam plate, referred to as EPS sheet, be by the expandable polystyrene particle containing volatile fluid foaming agent, after heated pre- The white solid with fine hole-closing structure of hot briquetting in mould.The fire protecting performance of EPS sheet is poor, belongs to combustible material, Meet fire dissolve immediately, shrink, trickling, spreading velocity of fire is fast, and burnt area is big;EPS sheet can be produced in combustion in a large number Toxic gas and smog, according to statistics, nearly injures and deaths most probably be because construction material burn release toxic gas and dense smoke caused by, The probability of surviving of survivor is had a strong impact on, increases rescue difficulty, and poison and dense smoke also can serious environment pollutions.
And the fire line of existing cement board is preferably, but have that water absorption rate is higher, freeze-proof is poor, and winter is especially It is northern easily cracking, just with being easily inhaled in plate, heat conductivity has risen rainwater after material water suction, causes heat-insulating property Reduce, and the security incident such as unit weight increases, and is susceptible to be separated with body of wall, falling from high altitude.
The content of the invention
The technical problem to be solved in the present invention is:In order to solve the freeze-proof of traditional cement and polystyrene vinyl foam plate compared with Difference, the higher problem of water absorption rate, the invention provides a kind of MPS cement-foam panel is solving the above problems.
The technical solution adopted for the present invention to solve the technical problems is:A kind of MPS cement-foam panel, presses Parts by weight meter includes following components:
Particle diameter is 10~20 parts of the polystyrene foam particles of 3~5mm;
200~300 parts of cement;
100~150 parts of water;
Particle diameter is 100~200 μm of 15~20 parts of flyash;
10~20 parts of Kaolin;
3~5 parts of flocculant;
2~4 parts of surfactant;
5~10 parts of carbon dioxide;
3~8 parts of water-repelling agent;
3~8 parts of antifreezing agent;
Wherein, the kaolinic granularity is 12000~15000 mesh.
Preferably, the granularity of the granules of polystyrene is 4mm, the particle diameter of the flyash is 185 μm, the kaolinite The granularity of soil is 13500 mesh.
Preferably, the flocculant is the combination of polyacrylamide and microbial flocculant, wherein the polyacrylamide Amine is 1 with the mass ratio of microbial flocculant:1.
Preferably, the surfactant is sodium lauryl sulphate or dodecyl sodium sulfate.
Preferably, the water-repelling agent be modified poly (methyl methacrylate), the modified poly (methyl methacrylate) by Poly methyl methacrylate plastic and additive are made, and the additive includes high temperature resistant agent, antioxidant, corrosion-resistant agent, fills out Fill agent and coupling agent, the high temperature resistant agent is carborundum, the antioxidant is dilauryl thiodipropionate, the corrosion resistant Erosion agent is politef, and the filler is mica powder, and the coupling agent is ethylenediaminepropyltriethoxysilane, described to change Property percentage by weight shared by each composition of polymethyl methacrylate is respectively poly methyl methacrylate plastic and accounts for 79.1%- 84.3%, carborundum accounts for 2.6%-3.5%, and dilauryl thiodipropionate accounts for 3.2%-4.1%, and politef accounts for 1.8%- 2.7%, mica powder accounts for 5.7%-7.3%, and ethylenediaminepropyltriethoxysilane accounts for 2.4%-3.3%.
Preferably, the antifreezing agent is dimethyl sulfoxide, Methanamide, calcium chloride, sodium acetate, magnesium chloride, methanol, second One or more combination in alcohol, isopropanol, ethylene glycol, Propylene Glycol or diethylene glycol.
A kind of manufacture method of MPS cement-foam panel, comprises the following steps:
A) count by weight by 10~20 parts of polystyrene foam particles, 200~300 parts of cement, 100~150 parts of water, Particle diameter is to be mixed in 100~200 μm of 15~20 parts of flyash and 10~20 parts of addition containers of Kaolin, and by stirring Machine stirs, and temperature is 60~80 DEG C in container;
B) after 30~45min, then by 3~5 parts of flocculant, 2~4 parts of surfactant, 3~8 parts of water-repelling agent and antifreezing agent 3 Stir in~8 parts of addition containers;
C) in pouring the mixture into closed mould, the air in mould is emptied, then passes to carbon dioxide 5~10 Part, by molded on hydraulic press after 30min, finished product is obtained after the demoulding.
The invention has the beneficial effects as follows, this MPS cement-foam panel passes through antifreezing agent, water-repelling agent, titanium dioxide The synergy of carbon and surfactant, not only reduces the water absorption rate of sheet material, and largely improves the anti-of sheet material Freeze performance, be also not in the phenomenon of cracking in the relatively low environment of temperature, maintain stable heat insulating ability and unit weight, it is ensured that plate The reliability and service life of material.
Specific embodiment
The invention provides a kind of MPS cement-foam panel, by weight meter include following components:
Particle diameter is 15 parts of the polystyrene foam particles of 4mm;
250 parts of cement;
125 parts of water;
Particle diameter is 185 μm of 18 parts of flyash;
15 parts of Kaolin;
4 parts of flocculant;
3 parts of surfactant;
8 parts of carbon dioxide;
6 parts of water-repelling agent;
6 parts of antifreezing agent;
Wherein, kaolinic granularity is 13500 mesh.
Flocculant is the combination of polyacrylamide and microbial flocculant, wherein polyacrylamide and microbial flocculant Mass ratio is 1:1, surfactant is sodium lauryl sulphate or dodecyl sodium sulfate, and water-repelling agent is modified polymethyl Sour methyl ester, modified poly (methyl methacrylate) is made up of poly methyl methacrylate plastic and additive, and additive includes resistance to height Warm agent, antioxidant, corrosion-resistant agent, filler and coupling agent, high temperature resistant agent is carborundum, and antioxidant is thio-2 acid Dilauryl, corrosion-resistant agent is politef, and filler is mica powder, and coupling agent is ethylenediaminepropyltriethoxysilane, Percentage by weight shared by each composition of modified poly (methyl methacrylate) is respectively poly methyl methacrylate plastic and accounts for 79.1%- 84.3%, carborundum accounts for 2.6%-3.5%, and dilauryl thiodipropionate accounts for 3.2%-4.1%, and politef accounts for 1.8%- 2.7%, mica powder accounts for 5.7%-7.3%, and ethylenediaminepropyltriethoxysilane accounts for 2.4%-3.3%, and antifreezing agent is dimethyl In sulfoxide, Methanamide, calcium chloride, sodium acetate, magnesium chloride, methanol, ethanol, isopropanol, ethylene glycol, Propylene Glycol or diethylene glycol one Plant or two or more combinations.
A kind of manufacture method of MPS cement-foam panel, comprises the following steps:
A) it is 185 μm to count 15 parts of polystyrene foam particles, 250 parts of cement, 125 parts of water, particle diameter by weight Mixed in 18 parts of flyash and 15 parts of addition containers of Kaolin, and stirred by blender, temperature is 75 in container ℃;
B) after 40min, then by 4 parts of flocculant, 3 parts of surfactant, 6 parts of addition containers of 6 parts of water-repelling agent and antifreezing agent Stir;
C) in pouring the mixture into closed mould, the air in mould is emptied, then passes to 8 parts of carbon dioxide, By molded on hydraulic press after 30min, finished product is obtained after the demoulding.
The connection that this MPS cement-foam panel passes through antifreezing agent, water-repelling agent, carbon dioxide and surfactant Cooperation is used, and not only reduces the water absorption rate of sheet material, and water absorption rate largely improves the anti-of sheet material only 18% or so Jelly performance, 25 freeze-thaw cycle tests of Jing, loss of strength is only 6% or so, in the relatively low environment of temperature, is also not in out The phenomenon split, maintains stable heat insulating ability and unit weight, it is ensured that the reliability and service life of sheet material.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention Property scope is not limited to the content in description, it is necessary to its technical scope is determined according to right.

Claims (6)

1. a kind of MPS cement-foam panel, it is characterised in that:By weight meter includes following components:
Particle diameter is 10~20 parts of the polystyrene foam particles of 3~5mm;
200~300 parts of cement;
100~150 parts of water;
Particle diameter is 100~200 μm of 15~20 parts of flyash;
10~20 parts of Kaolin;
3~5 parts of flocculant;
2~4 parts of surfactant;
5~10 parts of carbon dioxide;
3~8 parts of water-repelling agent;
3~8 parts of antifreezing agent;
Wherein, the kaolinic granularity is 12000~15000 mesh;
The flocculant is the combination of polyacrylamide and microbial flocculant, wherein the polyacrylamide and microbial flocculation The mass ratio of agent is 1:1.
2. MPS cement-foam panel as claimed in claim 1, it is characterised in that:The polystyrene foam particles Granularity be 4mm, the particle diameter of the flyash is 185 μm, and the kaolinic granularity is 13500 mesh.
3. MPS cement-foam panel as claimed in claim 1, it is characterised in that:The surfactant is 12 Alkyl sodium sulfate or dodecyl sodium sulfate.
4. MPS cement-foam panel as claimed in claim 1, it is characterised in that:The water-repelling agent is the poly- first that is modified Base acrylic acid methyl ester., the modified poly (methyl methacrylate) is made up of poly methyl methacrylate plastic and additive, described Additive include high temperature resistant agent, antioxidant, corrosion-resistant agent, filler and coupling agent, the high temperature resistant agent be carborundum, institute Antioxidant is stated for dilauryl thiodipropionate, the corrosion-resistant agent is politef, the filler is mica powder, institute Coupling agent is stated for ethylenediaminepropyltriethoxysilane, percentage by weight shared by each composition of the modified poly (methyl methacrylate) Respectively poly methyl methacrylate plastic accounts for 79.1%-84.3%, and carborundum accounts for 2.6%-3.5%, thiodipropionic acid dilauryl Osmanthus ester accounts for 3.2%-4.1%, and politef accounts for 1.8%-2.7%, and mica powder accounts for 5.7%-7.3%, the second of ethylenediamine propyl group three TMOS accounts for 2.4%-3.3%.
5. the MPS cement-foam panel as described in any one of Claims 1 to 4, it is characterised in that:The antifreezing agent It is sweet for dimethyl sulfoxide, Methanamide, calcium chloride, sodium acetate, magnesium chloride, methanol, ethanol, isopropanol, ethylene glycol, Propylene Glycol or two One or more combination in alcohol.
6. a kind of manufacture method of the MPS cement-foam panel as described in any one of Claims 1 to 5, its feature exists In:Comprise the following steps:
A) count 10~20 parts of polystyrene foam particles, 200~300 parts of cement, 100~150 parts of water, particle diameter by weight Mixed in 15~20 parts of flyash and 10~20 parts of addition containers of Kaolin for 100~200 μm, and stirred by blender Mix uniform, temperature is 60~80 DEG C in container;
B) after 30~45min, then by 3~5 parts of flocculant, 2~4 parts of surfactant, 3~8 parts of water-repelling agent and antifreezing agent 3~8 Stir in part addition container;
C) in pouring the mixture into closed mould, the air in mould is emptied, then passes to 5~10 parts of carbon dioxide, By molded on hydraulic press after 30min, finished product is obtained after the demoulding.
CN201410691967.9A 2014-11-25 2014-11-25 Modified polystyrene cement foam board and manufacturing method thereof Active CN104402342B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410691967.9A CN104402342B (en) 2014-11-25 2014-11-25 Modified polystyrene cement foam board and manufacturing method thereof

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CN104402342B true CN104402342B (en) 2017-04-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104831860B (en) * 2015-05-06 2017-03-22 张家港市盛港绿色防火建材有限公司 Portable house wallboard
CN105399435A (en) * 2015-11-17 2016-03-16 合肥候鸟新型材料有限公司 Homogeneous fire-proof insulating plate and manufacture method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60200875A (en) * 1984-03-26 1985-10-11 宇部興産株式会社 Cement composition
CN1255360C (en) * 2002-09-29 2006-05-10 陈星� On-site casting polyphenyl-magnesia cement composite foamed material and construction method
CN102849992A (en) * 2011-06-28 2013-01-02 张戈 Polystyrene fire retardant material and its preparation method
CN103910963A (en) * 2014-04-29 2014-07-09 苏州新区华士达工程塑胶有限公司 Modified polymethyl methacrylate
CN104018589B (en) * 2014-06-12 2016-07-06 凯盟节能建材科技江苏有限公司 Inorganic modified styrofoam

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