CN105565767A - Environment-friendly glass fiber-magnesium cement board and preparation method thereof - Google Patents
Environment-friendly glass fiber-magnesium cement board and preparation method thereof Download PDFInfo
- Publication number
- CN105565767A CN105565767A CN201410536829.3A CN201410536829A CN105565767A CN 105565767 A CN105565767 A CN 105565767A CN 201410536829 A CN201410536829 A CN 201410536829A CN 105565767 A CN105565767 A CN 105565767A
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- China
- Prior art keywords
- environmental protection
- flyash
- protection glass
- glass magnesium
- magnesium plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to an environment-friendly glass fiber-magnesium cement board and a preparation method thereof. The environment-friendly glass fiber-magnesium cement board comprises, by weight, 20 to 30% of MgO, 20 to 30% of MgCl2, 0.1 to 0.5% of a composite water reducer, 30 to 50% of fly ash, 1.2 to 2% of an exciting agent, 6 to 10% of wood chip and 6 to 10% of perlite. According to the invention, the water reducer and exciting agent are used in combination to excite activity of fly ash, so the strength of the whole board is improved, and in particular, later strength of the board is improved by nearly 20%; the concept of a four-component gelling system is provided for the first time, and the complex four-component gelling system SiO2-MgO-MgCl2-H2O exists in the process of hydration of magnesium cement; formation of novel crystal phases provides sufficient mechanical support; eventual addition of fly ash enables silicon-containing mine dregs to pose decisive influence on the strength of the fireproof board; disadvantages of original boards are overcome, an interior crystal structure is more compact, and the prepared board has the advantages of high strength, no overflowing of brine water, warping resistance, good resistance to freezing and thawing, etc.; and the preparation method is a green technology with development prospects.
Description
Technical field
The present invention relates to technical field prepared by PLASTIC LAMINATED, specifically a kind of method utilizing flyash in great mixed amount to prepare PLASTIC LAMINATED, particularly relate to environmental protection glass magnesium plate and preparation method thereof.
Background technology
At present in magnesium gelatinous material, large dosage utilizes the example preparing fireproof building material of flyash little, particularly for conventional chlorine oxygen magnesium fire-proof board, the incorporation of its practicality is generally below 20%, to reach some functions improving chlorine oxygen magnesium PLASTIC LAMINATED, as improved the performance such as waterproof, surface halide accumulation resistance, warpage of PLASTIC LAMINATED.Almost not having more than 30% for flyash in great mixed amount, this is because flyash in great mixed amount is not when having suitable exciting agent, having a strong impact on the physicals of fire-proof board, so utilizing in PLASTIC LAMINATED of flyash in great mixed amount is a bottleneck.
The example of flyash in great mixed amount existing large dosage practicality in silicate cement mud product, be not for magnesium-made fire-proof sheet material, silicate cement mud product does not have fire-proof function in addition.Utilize in the example of flyash all, exciting agent serves a vital effect, but the exciting agent research still blank of flyash in magnesium cement, is of great significance so study and prepare flyash in great mixed amount PLASTIC LAMINATED for green building material development tool.
Summary of the invention
Environmental protection glass magnesium plate that the object of the present invention is to provide a kind of improvement and preparation method thereof, it can overcome the not good some shortcomings of the performance such as waterproof, surface halide accumulation resistance, warpage of PLASTIC LAMINATED in prior art.
To achieve these goals, technical scheme of the present invention is: a kind of environmental protection glass magnesium plate, is characterized in that: described environmental protection glass magnesium plate is become to be grouped into by following: weight percent is the MgO of 20-30%, the MgCl of 20-30%
2, 0.1-0.5% composite water-reducing agent, 30-55% flyash, the exciting agent of 1.2-2%, the wood chip of 6-10% and 6-10% perlite.
A preparation method for environmental protection glass magnesium plate, is characterized in that: described preparation method comprises the steps: a, takes weight percent is the MgO of 20-30%, the MgCl of 20-30%
2, 0.1-0.5% composite water-reducing agent, 30-55% flyash, the exciting agent of 1.2-2%, the wood chip of 6-10% and 6-10% perlite for subsequent use; B, above-mentioned materials to be uniformly mixed, or to add successively and be uniformly mixed in batches, finally make slurry; C, slurry is prepared sheet material by the mode of roll extrusion; D, the sheet material prepared carry out maintenance, and maintenance 1-2d carries out the demoulding, then carry out wetting-doing-circulating maintenance that wets-do.
During use, the present invention adopts water reducer and exciting agent conbined usage to excite the method for flyash activity, and the intensity of whole sheet material is improved, and particularly improves nearly about 20% in later strength.Propose the concept of quaternary gelling system first, in magnesium cement hydration process, there are 4 yuan of complicated gelling system SiO
2-MgO-MgCl
2-H
2o.The formation of these new crystalline phases provides enough mechanical support.Wherein flyash finally adds, and the intensity of considering to be worth doing for PLASTIC LAMINATED containing siliceous ore deposit has conclusive impact.Improve some shortcomings of original sheet material, internal crystal structure is finer and close, prepared sheet material the is had advantage such as high, the not general halogen of intensity, warpage preventing, freeze-thaw-be good, is a kind of green technology with development prospect.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
A kind of environmental protection glass magnesium plate of the present invention, its difference with the prior art is: described environmental protection glass magnesium plate is become to be grouped into by following: weight percent is the MgO of 20-30%, the MgCl of 20-30%
2, 0.1-0.5% composite water-reducing agent, 30-55% flyash, the exciting agent of 1.2-2%, the wood chip of 6-10% and 6-10% perlite.Adopt the MgCl of degree Beaume 24
2, described exciting agent adopts institute of Nuo Shengtai Creative Science and Technology Co. Ltd to produce, and product are called flyash early activity exciting agent, and the composite water-reducing agent of employing is that Jinan Ai Terun building materials company limited produces, name of an article AD-M.
There is gelling system in environmental protection glass magnesium plate, described gelling system is SiO
2-MgO-MgCl
2-H
2o.Flyash is a kind of containing siliceous ore deposit bits, and wherein main component is that siliceous content reaches more than 30%, aluminum oxide 6-10%, ferric oxide 8-25%, and all the other are conventional ingredient.
A preparation method for environmental protection glass magnesium plate, is characterized in that: described preparation method comprises the steps: a, takes weight percent is the MgO of 20-30%, the MgCl of 20-30%
2, 0.1-0.5% composite water-reducing agent, 30-55% flyash, the exciting agent of 1.2-2%, the wood chip of 6-10% and 6-10% perlite for subsequent use; B, above-mentioned materials to be uniformly mixed, or to add successively and be uniformly mixed in batches, finally make slurry; C, slurry is prepared sheet material by the mode of roll extrusion; D, the sheet material prepared carry out maintenance, and maintenance 1-2d carries out the demoulding, then carry out wetting-doing-circulating maintenance that wets-do.
In a step, taking weight percent is the MgO of 22-25%, the MgCl of 22-25%
2, 0.2-0.3% composite water-reducing agent, 30-55% flyash, the exciting agent of 1.2-2%, the wood chip of 8-10% and 8-10% perlite for subsequent use.In a step, adopt the MgCl of degree Beaume 24
2, described exciting agent is that institute of Nuo Shengtai Creative Science and Technology Co. Ltd produces, and product are called flyash early activity exciting agent, and the composite water-reducing agent of employing is that Jinan Ai Terun building materials company limited produces, name of an article AD-M.
In b step, put together by raw material and stir, churning time is 5min; In b step, water reducer is joined MgCl
2dissolve in solution, then add MgO and stir, then add wood chip, perlite successively, stir 5min, finally add flyash and exciting agent stirs.In Step d, maintaining process is alternation of wetting and drying maintenance, wherein wet-cured condition be humidity more than 80%, temperature 20-30 DEG C, curing time is 7d, dry curing condition be humidity below 60%, temperature 20-30 DEG C, curing time is 7d.
In the present invention, water reducer and exciting agent conbined usage excite flyash activity, and the intensity of whole sheet material is improved, and particularly improve nearly about 20% in later strength.Simultaneously in gelling system of the present invention, propose quaternary gelling system concept first, in flyash in great mixed amount situation, define SiO
2-MgO-MgCl
2-H
2o complex system, this is the crystalline structure of formation different from the past.The wherein introducing of silicon-dioxide, the crystal morphology formed is made to there occurs change, cross structure is closely become by original needle-like short texture, with regard to making the crystalline structure formed, there is better mechanics and waterproof effect, the present invention simultaneously innovates at conservation system, define wet-dry-wet-dry maintenance process, be beneficial to the reactive behavior of different adulterant like this, be beneficial to increase later strength.Flyash add some shortcomings effectively improving original sheet material, internal crystal structure is finer and close, makes the performance such as PLASTIC LAMINATED water-repellancy, anti-general halogen, that resist warping be improved like this.Sometimes intensity is also improved.
Embodiment 1
Taking weight percent is the MgO of 20%, the MgCl of 20%
2, 0.3% composite water-reducing agent, 40% flyash, the exciting agent of 2%, the wood chip of 8% and 9.7% perlite for subsequent use.Adopt the MgCl of degree Beaume 24
2, described exciting agent is that institute of Nuo Shengtai Creative Science and Technology Co. Ltd produces, and product are called flyash early activity exciting agent, and the composite water-reducing agent of employing is that Jinan Ai Terun building materials company limited produces, name of an article AD-M.Water reducer is joined MgCl
2dissolve in solution, then add MgO and stir, then add wood chip, perlite successively, stir 5min, finally add flyash and exciting agent stirs, slurry is prepared sheet material by the mode of roll extrusion.The sheet material prepared carries out maintenance, maintenance 1-2d carries out the demoulding, then carries out wetting-doing-circulating maintenance that wets-do, is beneficial to excite flyash and other reactive behavior with adulterant, be beneficial to increase later strength, maintaining process is alternation of wetting and drying maintenance, wherein wet-cured condition be humidity more than 80%, temperature 20-30 DEG C, curing time is 7d, dry curing condition be humidity below 60%, temperature 20-30 DEG C, curing time is 7d.
Preparing in fire-proof board process, adding the activity influence of flyash of the addition sequence of flyash and exciting agent is very large, and wherein flyash finally adds, and it has conclusive impact containing siliceous ore deposit bits for intensity of PLASTIC LAMINATED.Flyash add some shortcomings effectively improving original sheet material, internal crystal structure is finer and close, makes the performance such as PLASTIC LAMINATED water-repellancy, anti-general halogen, that resist warping, intensity be improved like this.
Embodiment 2
Taking weight percent is the MgO of 25%, the MgCl of 25%
2, 0.2% composite water-reducing agent, 31.8% flyash, the exciting agent of 2%, the wood chip of 8% and 8% perlite for subsequent use.Adopt the MgCl of degree Beaume 24
2, described exciting agent is that institute of Nuo Shengtai Creative Science and Technology Co. Ltd produces, and product are called flyash early activity exciting agent, and the composite water-reducing agent of employing is that Jinan Ai Terun building materials company limited produces, name of an article AD-M.
Put together by raw material and stir, churning time is 5min, and above-mentioned slurry is prepared sheet material by the mode of roll extrusion.The sheet material prepared carries out maintenance, and maintenance 1-2d carries out the demoulding, then carries out wetting-doing-circulating maintenance that wets-do, is beneficial to the activity exciting flyash.Simultaneously in gelling system of the present invention, propose quaternary gelling system concept first, in flyash in great mixed amount situation, define SiO
2-MgO-MgCl
2-H
2o complex system, this is the crystalline structure of formation different from the past.The wherein introducing of silicon-dioxide, the crystal morphology formed is made to there occurs change, cross structure is closely become by original needle-like short texture, with regard to making the crystalline structure formed, there is better mechanics and waterproof effect, the present invention simultaneously innovates at conservation system, define wet-dry-wet-dry maintenance process, be beneficial to the reactive behavior of different adulterant like this, be beneficial to increase later strength.Flyash add some shortcomings effectively improving original sheet material, internal crystal structure is finer and close, makes the performance such as PLASTIC LAMINATED water-repellancy, anti-general halogen, that resist warping be improved like this.
Claims (9)
1. an environmental protection glass magnesium plate, is characterized in that: described environmental protection glass magnesium plate is become to be grouped into by following: weight percent is the MgO of 20-30%, the MgCl of 20-30%
2, 0.1-0.5% composite water-reducing agent, 30-55% flyash, the exciting agent of 1.2-2%, the wood chip of 6-10% and 6-10% perlite.
2. a kind of environmental protection glass magnesium plate according to claim, is characterized in that: the MgCl adopting degree Beaume 24
2, described exciting agent is flyash early activity exciting agent.
3. a kind of environmental protection glass magnesium plate according to claim, is characterized in that: there is gelling system in environmental protection glass magnesium plate, described gelling system is SiO
2-MgO-MgCl
2-H
2o.
4. a kind of environmental protection glass magnesium plate according to claim, is characterized in that: flyash is that a kind of containing siliceous ore deposit bits, its mediosilicic content reaches more than 30%, and quality reaches more than country's 2 grades of ashes.
5. a preparation method for environmental protection glass magnesium plate, is characterized in that: described preparation method comprises the steps: a, takes weight percent is the MgO of 20-30%, the MgCl of 20-30%
2, 0.1-0.5% composite water-reducing agent, 30-55% flyash, the exciting agent of 1.2-2%, the wood chip of 6-10% and 6-10% perlite for subsequent use; B, above-mentioned materials to be uniformly mixed, or to add successively and be uniformly mixed in batches, finally make slurry; C, slurry is prepared sheet material by the mode of roll extrusion; D, the sheet material prepared carry out maintenance, and maintenance 1-2d carries out the demoulding, then carry out wetting-doing-circulating maintenance that wets-do.
6. the preparation method of a kind of environmental protection glass magnesium plate according to claim 5, is characterized in that: in a step, and taking weight percent is the MgO of 22-25%, the MgCl of 22-25%
2, 0.2-0.3% composite water-reducing agent, 30-55% flyash, the exciting agent of 1.2-2%, the wood chip of 8-10% and 8-10% perlite for subsequent use.
7. the preparation method of a kind of environmental protection glass magnesium plate according to claim 5, it is characterized in that: in b step, put together by raw material and stir, churning time is 5min; In b step, water reducer is joined MgCl
2dissolve in solution, then add MgO and stir, then add wood chip, perlite successively, stir 5min, finally add flyash and exciting agent stirs.
8. the preparation method of a kind of environmental protection glass magnesium plate according to claim 5, is characterized in that: in a step, adopts the MgCl of degree Beaume 24
2, described exciting agent is flyash early activity exciting agent.
9. the preparation method of a kind of environmental protection glass magnesium plate according to claim 5, it is characterized in that: in Step d, maintaining process is alternation of wetting and drying maintenance, wherein wet-cured condition is that humidity is more than 80%, temperature 20-30 DEG C, curing time is 7d, and dry curing condition is that humidity is below 60%, temperature 20-30 DEG C, curing time is 7d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410536829.3A CN105565767A (en) | 2014-10-13 | 2014-10-13 | Environment-friendly glass fiber-magnesium cement board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410536829.3A CN105565767A (en) | 2014-10-13 | 2014-10-13 | Environment-friendly glass fiber-magnesium cement board and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105565767A true CN105565767A (en) | 2016-05-11 |
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ID=55876483
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410536829.3A Pending CN105565767A (en) | 2014-10-13 | 2014-10-13 | Environment-friendly glass fiber-magnesium cement board and preparation method thereof |
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| CN (1) | CN105565767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240453A (en) * | 2019-07-17 | 2019-09-17 | 李大为 | A kind of mineral filler modified high-strength polymer cement mortar and preparation method thereof |
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|---|---|---|---|---|
| CN1385395A (en) * | 2002-07-01 | 2002-12-18 | 徐清江 | Light high-strength thermal-insulation material for builidng |
| CN1468706A (en) * | 2002-07-17 | 2004-01-21 | 丁玉峒 | Light composite flyash-calcium silicate board |
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2014
- 2014-10-13 CN CN201410536829.3A patent/CN105565767A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1385395A (en) * | 2002-07-01 | 2002-12-18 | 徐清江 | Light high-strength thermal-insulation material for builidng |
| CN1468706A (en) * | 2002-07-17 | 2004-01-21 | 丁玉峒 | Light composite flyash-calcium silicate board |
Non-Patent Citations (1)
| Title |
|---|
| 钱文勋等: "复合型粉煤灰早期活性激发剂的研制", 《水利水运工程学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240453A (en) * | 2019-07-17 | 2019-09-17 | 李大为 | A kind of mineral filler modified high-strength polymer cement mortar and preparation method thereof |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160511 |
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| RJ01 | Rejection of invention patent application after publication |