CN105541269A - Magnesium oxysulfate plate and preparation method thereof - Google Patents
Magnesium oxysulfate plate and preparation method thereof Download PDFInfo
- Publication number
- CN105541269A CN105541269A CN201510963753.7A CN201510963753A CN105541269A CN 105541269 A CN105541269 A CN 105541269A CN 201510963753 A CN201510963753 A CN 201510963753A CN 105541269 A CN105541269 A CN 105541269A
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- magnesium oxysulfide
- sheet material
- water
- magnesium
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Classifications
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/30—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing magnesium cements or similar cements
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2111/20—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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The invention belongs to the technical field of building materials, and specifically relates to a magnesium oxysulfate plate and a preparation method thereof. The magnesium oxysulfate plate comprises the following components by weight: 200 to 300 parts of magnesium oxysulfate cement, 10 to 20 parts of alkali-resistant glass fiber, 30 to 50 parts of aggregate, 10 to 50 parts of water, 5 to 10 parts of an early-strength agent, 5 to 10 parts of a water reducing agent and 20 to 80 parts of a reinforcing material. The magnesium oxysulfate plate provided by the invention has low cost, is greatly improved in the aspects of strength and water resistance, has the advantages of light weight, low alkali, water resistance, high-temperature resistance, non-corrosion steel bar, etc., and is applicable to manufacturing of fireproof plates, refractory decorative materials, etc.
Description
Technical field
The invention belongs to building material technical field, relate to a kind of magnesium oxysulfide sheet material and preparation method thereof specifically.
Background technology
Glass magnesium PLASTIC LAMINATED is one of PLASTIC LAMINATED be most widely used at present, is take magnesite binding material as base-material, with medium-alkali glass fiber cloth for strongthener, take light material as the novel noncombustible construction sheet material that weighting material is composited.Can be used as heat-preserving building wallboard, door panel, ceiling board, tr etc., dado, sash, furniture etc. do in alternative wooden plywood.Also can be coated with ready mixed paint, clear water paint in surface as required, and various types of plate face can be processed into.Also can be used for the simple and easy FPE of the wet environment such as vault, mine.
In prior art, make glass magnesium PLASTIC LAMINATED magnesite binding material used and be mainly magnesia oxychloride cement, magnesia oxychloride cement is with magnesium oxide, magnesium chloride, and water ternary system, the air hardening cementitious materials made through rational proportion and employing admixture modification, has the feature of high-strength light.But the very poor shortcoming of its water resistance is also fairly obvious, and when running into high humidity weather, this material surface can return halogen and return frost, buckling deformation, reduces product strength, thus have a strong impact on its decorate properties and use range, shorten the work-ing life of goods.In recent years, although the modification technology of magnesium oxychloride product is showing improvement or progress day by day, the disadvantage of its poor water resistance still cannot be eradicated, and limits the widespread use of goods.
In magnesite binding material, the advantage of magnesium oxysulfide material is thoroughly to have broken away from the possibility of damp suction surface halide accumulation.But there is larger problem in intensity, the water resistance of traditional magnesium oxysulfide concrete, cannot meet the application requiring of construction work.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of magnesium oxysulfide sheet material and preparation method thereof.Magnesium oxysulfide sheet material provided by the invention has had very large lifting in intensity and water tolerance, and its lightweight, low alkali, water resistant, high temperature resistant, the not advantage such as Corrosion Reinforcement, make it be very suitable for making fire-proof board, fire-resistant finishing material etc.
Technical scheme provided by the invention is:
A kind of magnesium oxysulfide sheet material, comprises following component: magnesium oxysulfide concrete 200-300 part, alkali resistant glass fibre 10-20 part, 30-50 part of gathering materials, water 10-50 part, hardening accelerator 5-10 part, water reducer 5-10 part and strongthener 20-80 by weight.
As preferably, described gathers materials at least one in perlite and expanded vermiculite.
As preferably, described hardening accelerator is counted by weight and is comprised following component: high-alumina cement 50-80 part, sodium sulfate 5-10 part, water glass 5-10 part, ferrous sulfate 5-10 part, calcium stearate 5-10 part, carboxymethyl cellulose 5-10 part, magnesium chloride 5-10 part, calcium carbonate 5-10 part, tri-isopropanolamine 5-10 part, caoxalate 5-10 part, Fatty acid methyl ester sodium sulfonate 5-10 part.
As preferably, as preferably, described water reducer is at least one in sodium lignosulfonate, calcium lignin sulphonate, naphthalenesulfonate formaldehyde condensation compound and polycarboxylate.
As preferably, described strongthener is at least one in flyash, silicon ash, slag.
Present invention also offers described magnesium oxysulfide preparation of plates method, comprise the following steps:
(1) first by magnesium oxysulfide concrete, alkali resistant glass fibre, adds water in gathering materials, and stirs 2-10min;
(2) after then adding hardening accelerator, water reducer, strongthener, stir 1min, leave standstill 5-10min;
(3) send into roller horizontal line production plant, enter the filling roller of template and produce wet panel all one's life, send into a maintenance of caring the car after cutting, maintenance is complete, namely obtains described magnesium oxysulfide sheet material.
Compared with prior art, the present invention has following beneficial effect:
(1) magnesium oxysulfide board cost of the present invention is low, has had very large lifting in intensity and water tolerance.
(2) magnesium oxysulfide board lightweight of the present invention, low alkali, water resistant, high temperature resistant, the not advantage such as Corrosion Reinforcement, make it be very suitable for making fire-proof board, fire-resistant finishing material etc.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification sheets and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or integral part, and do not get rid of other element or other integral part.
embodiment 1:
A kind of magnesium oxysulfide sheet material, comprises following component by weight: magnesium oxysulfide concrete 200 parts, alkali resistant glass fibre 10 parts, gather materials 30 parts, 10 parts, water, hardening accelerator 5 parts, water reducer 5 parts and strongthener 20; Described gathers materials for perlite; Described hardening accelerator is counted by weight and is comprised following component: high-alumina cement 50 parts, 5 parts, sodium sulfate, water glass 5 parts, 5 parts, ferrous sulfate, calcium stearate 5 parts, carboxymethyl cellulose 5 parts, 5 parts, magnesium chloride, 5 parts, calcium carbonate, tri-isopropanolamine 5 parts, caoxalate 5 parts, Fatty acid methyl ester sodium sulfonate 5 parts; Described water reducer is sodium lignosulfonate; Described strongthener is flyash.
Described magnesium oxysulfide preparation of plates method, comprises the following steps:
(1) first by magnesium oxysulfide concrete, alkali resistant glass fibre, adds water in gathering materials, and stirs 2min;
(2) after then adding hardening accelerator, water reducer, strongthener, stir 1min, leave standstill 5min;
(3) send into roller horizontal line production plant, enter the filling roller of template and produce wet panel all one's life, send into a maintenance of caring the car after cutting, maintenance is complete, namely obtains described magnesium oxysulfide sheet material.
embodiment 2:
A kind of magnesium oxysulfide sheet material, comprises following component by weight: magnesium oxysulfide concrete 300 parts, alkali resistant glass fibre 20 parts, gather materials 50 parts, 50 parts, water, hardening accelerator 10 parts, water reducer 0 part and strongthener 0; Described gathers materials for expanded vermiculite; Described hardening accelerator is counted by weight and is comprised following component: high-alumina cement 80 parts, 10 parts, sodium sulfate, water glass 10 parts, 10 parts, ferrous sulfate, calcium stearate 10 parts, carboxymethyl cellulose 10 parts, 10 parts, magnesium chloride, 10 parts, calcium carbonate, tri-isopropanolamine 10 parts, caoxalate 10 parts, Fatty acid methyl ester sodium sulfonate 10 parts; Described water reducer is naphthalenesulfonate formaldehyde condensation compound; Described strongthener is silicon ash.
Described magnesium oxysulfide preparation of plates method, comprises the following steps:
(1) first by magnesium oxysulfide concrete, alkali resistant glass fibre, adds water in gathering materials, and stirs 10min;
(2) after then adding hardening accelerator, water reducer, strongthener, stir 1min, leave standstill 10min;
(3) send into roller horizontal line production plant, enter the filling roller of template and produce wet panel all one's life, send into a maintenance of caring the car after cutting, maintenance is complete, namely obtains described magnesium oxysulfide sheet material.
embodiment 3:
A kind of magnesium oxysulfide sheet material, comprises following component by weight: magnesium oxysulfide concrete 250 parts, alkali resistant glass fibre 15 parts, gather materials 40 parts, 20 parts, water, hardening accelerator 8 parts, water reducer 8 parts and strongthener 50; Described gathers materials for perlite; Described hardening accelerator is counted by weight and is comprised following component: high-alumina cement 60 parts, 8 parts, sodium sulfate, water glass 7 parts, 8 parts, ferrous sulfate, calcium stearate 8 parts, carboxymethyl cellulose 7 parts, 6 parts, magnesium chloride, 7 parts, calcium carbonate, tri-isopropanolamine 8 parts, caoxalate 8 parts, Fatty acid methyl ester sodium sulfonate 8 parts; Described water reducer is polycarboxylate; Described strongthener is slag.
Described magnesium oxysulfide preparation of plates method, comprises the following steps:
(1) first by magnesium oxysulfide concrete, alkali resistant glass fibre, adds water in gathering materials, and stirs 5min;
(2) after then adding hardening accelerator, water reducer, strongthener, stir 1min, leave standstill 8min;
(3) send into roller horizontal line production plant, enter the filling roller of template and produce wet panel all one's life, send into a maintenance of caring the car after cutting, maintenance is complete, namely obtains described magnesium oxysulfide sheet material.
comparative example 1:
A kind of magnesium oxysulfide sheet material, comprises following component: magnesium oxysulfide concrete 250 parts, alkali resistant glass fibre 15 parts, 15 parts, slag, 20 parts, water and wood chip 10 parts by weight.
Described magnesium oxysulfide preparation of plates method is with embodiment 3.
embodiment 4: the performance measurement of magnesium oxysulfide sheet material of the present invention
Adopt 300KN (WE30) universal hydraulic testing machine (testing tool is AEC-201 type strength of cement trier) to measure its folding strength the magnesium oxysulfide board product of preparation in embodiment 1-3, comparative example 1, test result is in table 1.
The performance measurement of table 1 magnesium oxysulfide sheet material of the present invention
As can be seen from Table 1, the folding strength of magnesium oxysulfide sheet material of the present invention is far above comparative example 1, and its density is also lower than comparative example 1; Water-intake rate is lower than comparative example 1; Coefficient of softening is higher than in comparative example 1.
embodiment 5: the water tolerance of magnesium oxysulfide sheet material of the present invention measures
5.1 test materialss and method
Test materials uses embodiment of the present invention 1-3 and the magnesium oxysulfide sheet material obtained by comparative example 1.
Get 4 blocks of sheet materials, with paraffin and rosin blend (mass ratio 1:1), sheet material edge and the back side are closed.Then immerse 1/2 of sheet material area in the tap water of room temperature, observe, till surface appearance foaming, efflorescence, peeling off.
5.2 test results and analysis
The water tolerance of table 2 magnesium oxysulfide sheet material of the present invention measures
As can be seen from Table 2, the water tolerance of magnesium oxysulfide sheet material of the present invention is far above comparative example 1.
In sum, magnesium oxysulfide board cost of the present invention is low, has had very large lifting in intensity and water tolerance; Magnesium oxysulfide board lightweight of the present invention, low alkali, water resistant, high temperature resistant, the not advantage such as Corrosion Reinforcement, be very suitable for making fire-proof board, fire-resistant finishing material etc.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (6)
1. a magnesium oxysulfide sheet material, it is characterized in that, comprise following component by weight: magnesium oxysulfide concrete 200-300 part, alkali resistant glass fibre 10-20 part, 30-50 part of gathering materials, water 10-50 part, hardening accelerator 5-10 part, water reducer 5-10 part and strongthener 20-80.
2. magnesium oxysulfide sheet material according to claim 1, is characterized in that: described gathers materials at least one in perlite and expanded vermiculite.
3. magnesium oxysulfide sheet material according to claim 1, is characterized in that: described hardening accelerator is counted by weight and comprised following component: high-alumina cement 50-80 part, sodium sulfate 5-10 part, water glass 5-10 part, ferrous sulfate 5-10 part, calcium stearate 5-10 part, carboxymethyl cellulose 5-10 part, magnesium chloride 5-10 part, calcium carbonate 5-10 part, tri-isopropanolamine 5-10 part, caoxalate 5-10 part, Fatty acid methyl ester sodium sulfonate 5-10 part.
4. magnesium oxysulfide sheet material according to claim 1, is characterized in that: described water reducer is at least one in sodium lignosulfonate, calcium lignin sulphonate, naphthalenesulfonate formaldehyde condensation compound and polycarboxylate.
5. magnesium oxysulfide sheet material according to claim 1, is characterized in that: described strongthener is at least one in flyash, silicon ash, slag.
6., according to the arbitrary described magnesium oxysulfide preparation of plates method of claim 1-5, it is characterized in that, comprise the following steps:
(1) first by magnesium oxysulfide concrete, alkali resistant glass fibre, adds water in gathering materials, and stirs 2-10min;
(2) after then adding hardening accelerator, water reducer, strongthener, stir 1min, leave standstill 5-10min;
(3) send into roller horizontal line production plant, enter the filling roller of template and produce wet panel all one's life, send into a maintenance of caring the car after cutting, maintenance is complete, namely obtains described magnesium oxysulfide sheet material.
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Cited By (4)
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CN105541268A (en) * | 2015-12-18 | 2016-05-04 | 卓达新材料科技集团威海股份有限公司 | Magnesium oxysulfate plate and preparation method thereof |
CN105565766A (en) * | 2015-12-18 | 2016-05-11 | 卓达新材料科技集团威海股份有限公司 | Magnesium oxysulfate plate and preparation method thereof |
CN106587896A (en) * | 2016-12-07 | 2017-04-26 | 台山市龙板科技有限公司 | Fireproof plate and production method thereof |
WO2024023714A1 (en) * | 2022-07-26 | 2024-02-01 | Smart Building Panels Ltd | Improved building board |
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CN105541268A (en) * | 2015-12-18 | 2016-05-04 | 卓达新材料科技集团威海股份有限公司 | Magnesium oxysulfate plate and preparation method thereof |
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WO2024023714A1 (en) * | 2022-07-26 | 2024-02-01 | Smart Building Panels Ltd | Improved building board |
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