CN110386829A - Magnesium gel material, preparation method and application for preparing glass magnesium flat plate - Google Patents
Magnesium gel material, preparation method and application for preparing glass magnesium flat plate Download PDFInfo
- Publication number
- CN110386829A CN110386829A CN201910595577.4A CN201910595577A CN110386829A CN 110386829 A CN110386829 A CN 110386829A CN 201910595577 A CN201910595577 A CN 201910595577A CN 110386829 A CN110386829 A CN 110386829A
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- Prior art keywords
- magnesia
- phenolic resin
- magnesium
- gel rubber
- rubber material
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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
- 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
- C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
-
- 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
-
- 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
- C04B2111/40—Porous or lightweight 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
- 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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- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a magnesium gel material, a preparation method and application for preparing a glass magnesium flat plate. During preparation, mixing phenolic resin, a foaming agent, a catalyst and a toughening agent, preserving heat for 2-4 hours at 50-70 ℃, adding magnesium cement slurry and mixing; and (3) primarily curing for 24 hours at 55-65 ℃ after plate manufacturing, and then curing under natural conditions until the water content meets the requirements, thus obtaining the glass magnesium flat plate. According to the invention, the foamed phenolic resin is mixed with the magnesia cement, and the water resistance, the adhesive force and the fire resistance of the phenolic resin are utilized, so that the internal structure of the magnesia cement is more compact, the water resistance, the crack resistance and the fire resistance of the glass magnesium flat plate are greatly improved, the long-term performance is stable, and all performance requirements of the glass magnesium flat plate for a flue and an exhaust passage at present can be met.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of magnesia gel rubber material, preparation method and for making
The application of standby glass fibre and magnesium cement board.
Background technique
Glass fibre and magnesium cement board is to be configured and add modifying agent and manufactured, the stable magnesium gelatinous material of performance, with neutral and alkali glass
Fibre web is reinforcing material, using the novel noninflammability ornament materials that light material is combined as filler, using special producing work
Skill is process, have fire prevention, waterproof, it is tasteless, nontoxic, do not freeze, be stale-proof, not splitting, is constant, is non-ignitable, high-strength light, construction party
Just, the features such as long service life, there is compound property in national similar product.
In order to mitigate the weight of glass fibre and magnesium cement board, current Normal practice be using the granular polystyrene of lightweight, glass bead,
Sawdust stalk, vermiculite etc. are raw material.Granular polystyrene belongs to organic material, and individual particle volume is big, and surface gloss is high, after compression
Cubic deformation is big, poor with the interface cohesion degree of inorganic coagulation material；Glass bead water absorption easily occurs greatly, in whipping process broken
It is broken, the uneven distribution of particle is be easy to cause so that influencing plate property；Sawdust stalk and vermiculite equally have water absorption big
Defect, it is very high to factory formula and manufacturing technique requirent, not can guarantee the long-time stability of product.
In addition, since magnesium cement itself rigidity is excessive board-like material being made, fragility fracture easily occurring, arrisdefect is more prominent
Out.The light-weight aggregates such as granular polystyrene, sawdust stalk are added, is only capable of playing the role of filling with slurry mixed-forming, is also only
Product bulk density is reduced, the flexural strength of product is not promoted, product is also easy to warpage and cracking layering.
Summary of the invention
In view of the drawbacks of the prior art and insufficient, the object of the present invention is to provide a kind of magnesia gel rubber materials, preparation method
And it is used to prepare the application of glass fibre and magnesium cement board, solve the problems, such as existing glass fibre and magnesium cement board poor water resistance and is easy warpage and cracking.
To achieve the goals above, the present invention is realised by adopting the following technical scheme:
A kind of magnesia gel rubber material, including magnesium cement, foamed phenolic resin, filler and toughener；The foaming phenol
Urea formaldehyde includes phenolic resin, foaming agent and catalyst.
Specifically, the quality of the foamed phenolic resin accounts for the 5%~20% of magnesium cement quality；The filler
Quality account for 20%~50% of magnesia quality in magnesium cement.
Specifically, in the foamed phenolic resin each raw material mass fraction are as follows: 100 parts of phenolic resin, foaming agent 3
~9 parts, 1~15 part of catalyst；1~1.5 part of the toughener.
Specifically, the foaming agent is pentane, petroleum ether or methylene chloride；The catalyst is phosphoric acid or lemon
One or both of lemon acid it is compound.
Specifically, the magnesium cement includes the magnesia that molar ratio is 5:1:8, magnesium chloride and water or molar ratio is
Magnesia, magnesium sulfate and the water of 5:1:7.
Specifically, the toughener is that the one or more kinds of of PP fiber, basalt fibre or glass fibre answer
It closes.
Specifically, the filler is dicalcium powder, flyash or miberal powder.
The invention also discloses a kind of preparation methods of magnesia gel rubber material, comprising: by phenolic resin, foaming agent, catalysis
Agent and toughener mixing after keeping the temperature 2~4h at 50~70 DEG C, are added the mixing of magnesium cement slurry agitation, obtain magnesia gel
Material.
The invention also discloses the applications that above-mentioned magnesia gel rubber material is used to prepare glass fibre and magnesium cement board.
Specifically, phenolic resin, foaming agent, catalyst and toughener are mixed, 2~4h is kept the temperature at 50~70 DEG C, is added
Enter the mixing of magnesium cement slurry, obtains magnesia gel rubber material；It will tentatively be conserved at 55~65 DEG C after magnesia gel rubber material making sheet
For 24 hours, it then conserves to moisture content and meets the requirements under field conditions (factors), obtain glass fibre and magnesium cement board.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention by the way that foamed phenolic resin is mixed with magnesium cement, using the water resistance of phenolic acid resin itself,
Cohesive force and fire line substantially increase water resistance, the cracking resistance of glass fibre and magnesium cement board so that magnesium cement internal structure is more closely knit
Property and fire line, long-term behaviour stablize, can satisfy currently to the requirement of the over-all properties of flue, exhaust duct glass fibre and magnesium cement board.
(2) present invention makes full use of the curing temperature of phenolic resin and magnesium cement the same section the characteristics of, will
Phenolic resin after foaming is realized that the solidification process of phenolic resin and cement carries out simultaneously, is saved directly with the mixing of magnesium cement
Save the curing time.
Specific embodiment
The present invention solves glass fibre and magnesium cement board by the phenolic resin after foaming is added in magnesium cement, from crystalline solid inside
Water resistance and crack resistance problem so that have waterproof, lightweight, the performance of cracking resistance.Glass fibre and magnesium cement board prepared by the present invention is especially full
Over-all properties requirement of the foot to flue, exhaust duct glass fibre and magnesium cement board.
Magnesium cement of the invention is mainly made of magnesia and magnesium chloride or magnesia and magnesium sulfate.
Foaming of phenolic resin glass fibre and magnesium cement board of the invention, including magnesium cement, foamed phenolic resin, filler and toughener；
Wherein, foamed phenolic resin includes phenolic resin, foaming agent, catalyst, the mass fraction of each raw material are as follows: phenolic resin 100
Part, 3~9 parts of foaming agent, 1~15 part of catalyst, meanwhile, toughener is 1~1.5 part.The quality of filler accounts for oxygen in magnesium cement
Change the 20%~50% of magnesia amount.
Wherein, foaming agent is pentane, petroleum ether or methylene chloride, preferably pentane.Catalyst is phosphoric acid or lemon
Acid, one or both of it is compound, preferably the anti-halogen and anti-frost of glass magnesium board product can be effectively suppressed in phosphoric acid, phosphoric acid.
Toughener is the compound of the one or more of PP fiber, basalt fibre or glass fibre.Filler is coarse whiting
Powder, flyash or miberal powder etc..
Wherein, magnesium cement is made of the magnesia, magnesium chloride and water for forming " 5.1.8 " Xiang Suoxu, and " 5.1.8 " is mutually
The molar ratio for referring to magnesia, magnesium chloride and water is respectively 5:1:8.Magnesium cement slurry can also be by forming " 5.1.7 " Xiang Suoxu
Magnesia, magnesium sulfate and water composition.With specific reference to actual use demand selection.
The present invention selects the additional amount of foamed phenolic resin according to " glass fibre and magnesium cement board " GB/T 33544-2017 performance requirement,
Specifically, the quality of foamed phenolic resin accounts for the 5%~20% of magnesium cement quality.
The present invention increases pigment also according to actual operation requirements in foamed phenolic resin, and the addition matter number of pigment is 1
~5 parts.
The preparation process of Foaming of phenolic resin glass fibre and magnesium cement board of the invention, first according to prepare the density of plate, size and
Quality determines the quality of each raw material；Then phenolic resin, foaming agent, catalyst and toughener are mixed according to proper ratio,
2~4h is kept the temperature at 50~70 DEG C, and the mixing of magnesium cement slurry is added；Into the making sheet stage, the making sheet stage mainly includes being laid with
Grid cloth, fixed thick molding etc., after tentatively conserved at 55~65 DEG C for 24 hours, demoulding, then conserved under field conditions (factors) to containing
Water rate is met the requirements, and general moisture content < 8% is to get glass fibre and magnesium cement board.
In glass fibre and magnesium cement board preparation process of the invention, preferably 70 DEG C of the blowing temperature of phenolic resin.
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below
In example, all equivalent transformations made on the basis of the technical solutions of the present application each falls within protection scope of the present invention.
Embodiment 1
The present embodiment makes the white plate of 2440mm × 1220mm × 15mm, panel density 900kg/m3, plate
Gross mass about 40.2kg, material fiting ratio are as follows:
Magnesia 11.75kg, magnesium chloride 7.05kg, water 10.575kg, filler dicalcium powder 5.875kg, phenolic resin
4.7kg, foaming agent pentane 0.132kg, catalyst phosphoric acid 0.47kg, PP fiber 0.235kg.Foamable phenolic in the present embodiment
The quality of resin is account for magnesium cement quality 15.7%.
Magnesia, magnesium chloride, water are mixed to form magnesium cement slurry, by phenolic resin, foaming agent, catalyst and increasing
After keeping the temperature 2h at 70 DEG C after tough dose of mixing, the mixing of magnesium cement slurry is added；Be laid with after grid cloth, fixed thick molding
It tentatively conserves for 24 hours, demoulding, then conserves under field conditions (factors) to moisture content < 8% at 55 DEG C, obtain glass magnesium needed for the present embodiment
Plate.
According to " glass fibre and magnesium cement board " GB/T 33544-2017 performance requirement, the glass fibre and magnesium cement board that the present embodiment is prepared
It can test, as a result shown in table 1.
Embodiment 2
The present embodiment makes the red plate of 2440mm × 1220mm × 15mm, panel density 600kg/m3, plate
Gross mass about 26.8kg, material fiting ratio are as follows:
Magnesia 7.875kg, magnesium chloride 4.725kg, water 7.1kg, filler dicalcium powder 3.94kg, phenolic resin 3.15kg,
Foaming agent pentane 0.22kg, catalyst phosphoric acid 0.315kg, glass fibre 0.235kg, ferric oxide red colorant 0.13kg.This reality
The quality for applying foamed phenolic resin in example is account for magnesium cement quality 16.58%.
The preparation process of the glass fibre and magnesium cement board of the present embodiment is same as Example 1.The glass fibre and magnesium cement board that the present embodiment is prepared
Performance test is shown in Table 1.
Embodiment 3
The present embodiment the difference from embodiment 1 is that: in glass fibre and magnesium cement board preparation process the blowing temperature of phenolic resin be 50
DEG C, time 4h.
The preparation process of the glass fibre and magnesium cement board of the present embodiment is same as Example 1.The glass fibre and magnesium cement board that the present embodiment is prepared
Performance test is shown in Table 1.
The performance test results of the glass fibre and magnesium cement board product of each embodiment of table 1
| Test item | Static bending strength | Impact strength | Surface halide accumulation resistance |
| Performance requirement | ≥10.0Mpa | ≥3.5Mpa | Should not have |
| Embodiment 1 | 15.1Mpa | 6Mpa | It is qualified |
| Embodiment 2 | 11.2Mpa | 4Mpa | It is qualified |
| Embodiment 3 | 14.8Mpa | 5.6Mpa | It is qualified |
Comparative example 1
This comparative example makes the white plate of 2440mm × 1220mm × 15mm, panel density 400kg/m3, plate
Gross mass about 17.86kg, material fiting ratio are as follows:
Magnesia 4.112kg, magnesium chloride 2.468kg, water 3.622kg, dicalcium powder 2.057kg, phenolic resin 4.7kg, hair
Infusion pentane 0.16kg, catalyst phosphoric acid 0.5kg, PP fiber 0.235kg.Foamed phenolic resin accounts for magnesium cement mass parts
45.68%.
The preparation process of the plate of this comparative example is with embodiment 1, and compared with Example 1, prepared plate goes out this comparative example
It phenomena such as existing large area recess, edge out-of-flatness, causes plate integral thickness uneven, is unable to satisfy " glass fibre and magnesium cement board " GB/T
The index request of " thickness tolerance ± 0.5mm " in 33544-2017.
Claims (10)
1. a kind of magnesia gel rubber material, which is characterized in that including magnesium cement, foamed phenolic resin, filler and toughener；It is described
Foamed phenolic resin include phenolic resin, foaming agent and catalyst.
2. magnesia gel rubber material as described in claim 1, which is characterized in that the quality of the foamed phenolic resin accounts for magnesia
The 5%~20% of cement quality；The quality of the filler accounts for 20%~50% of magnesia quality in magnesium cement.
3. magnesia gel rubber material as described in claim 1, which is characterized in that the matter of each raw material in the foamed phenolic resin
Measure number are as follows: 100 parts of phenolic resin, 3~9 parts of foaming agent, 1~15 part of catalyst；1~1.5 part of the toughener.
4. magnesia gel rubber material as claimed in claim 1 or 3, which is characterized in that the foaming agent is pentane, petroleum ether
Or methylene chloride；The catalyst is the compound of one or both of phosphoric acid or citric acid.
5. magnesia gel rubber material as described in claim 1, which is characterized in that the magnesium cement includes that molar ratio is 5:1:
8 magnesia, magnesium chloride and water or molar ratio is magnesia, magnesium sulfate and the water of 5:1:7.
6. magnesia gel rubber material as described in claim 1, which is characterized in that the toughener is PP fiber, basalt fibre
Dimension or glass fibre it is one or more kinds of compound.
7. magnesia gel rubber material as described in claim 1, which is characterized in that the filler is dicalcium powder, flyash or mine
Powder.
8. the preparation method of the described in any item magnesia gel rubber materials of claim 1 to 7 characterized by comprising by phenolic aldehyde tree
Rouge, foaming agent, catalyst and toughener mixing, after keeping the temperature 2~4h at 50~70 DEG C, it is mixed to be added magnesium cement slurry agitation
It closes, obtains magnesia gel rubber material.
9. the application that the described in any item magnesia gel rubber materials of claim 1 to 7 are used to prepare glass fibre and magnesium cement board.
10. application as claimed in claim 9, which is characterized in that phenolic resin, foaming agent, catalyst and toughener are mixed,
2~4h is kept the temperature at 50~70 DEG C, and the mixing of magnesium cement slurry is added, obtains magnesia gel rubber material；By magnesia gel rubber material system
It is tentatively conserved for 24 hours at 55~65 DEG C after plate, then conserves to moisture content meet the requirements under field conditions (factors), obtain glass fibre and magnesium cement board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595577.4A CN110386829B (en) | 2019-07-03 | 2019-07-03 | Magnesium gel material, preparation method and application for preparing glass magnesium flat plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595577.4A CN110386829B (en) | 2019-07-03 | 2019-07-03 | Magnesium gel material, preparation method and application for preparing glass magnesium flat plate |
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| Publication Number | Publication Date |
|---|---|
| CN110386829A true CN110386829A (en) | 2019-10-29 |
| CN110386829B CN110386829B (en) | 2022-04-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116496104A (en) * | 2023-05-18 | 2023-07-28 | 江阴市威腾铝箔合成材料有限公司 | Magnesium material plate and preparation method thereof |
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| CN101475360A (en) * | 2009-01-22 | 2009-07-08 | 焦胜利 | Light magnesium cement heat preserving external wall panel and method of processing the same |
| CN103043991A (en) * | 2013-01-10 | 2013-04-17 | 周先明 | Inorganic magnesian chloridion-free fireproof gel material and preparation method |
| CN104891941A (en) * | 2015-05-21 | 2015-09-09 | 安徽鑫润新型材料有限公司 | Multipurpose glass fibre and magnesium eco-plate and preparation method thereof |
| CN105036795A (en) * | 2015-07-23 | 2015-11-11 | 梅蒎 | Silicon powder polymer thermal insulation material and production process thereof |
| CN107304122A (en) * | 2016-04-25 | 2017-10-31 | 蒋寿春 | A kind of string composite magnesia brick containing and preparation method thereof |
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2019
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| CN101475360A (en) * | 2009-01-22 | 2009-07-08 | 焦胜利 | Light magnesium cement heat preserving external wall panel and method of processing the same |
| CN103043991A (en) * | 2013-01-10 | 2013-04-17 | 周先明 | Inorganic magnesian chloridion-free fireproof gel material and preparation method |
| CN104891941A (en) * | 2015-05-21 | 2015-09-09 | 安徽鑫润新型材料有限公司 | Multipurpose glass fibre and magnesium eco-plate and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116496104A (en) * | 2023-05-18 | 2023-07-28 | 江阴市威腾铝箔合成材料有限公司 | Magnesium material plate and preparation method thereof |
| CN116496104B (en) * | 2023-05-18 | 2024-03-22 | 江阴市威腾铝箔合成材料有限公司 | Magnesium material plate and preparation method thereof |
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| CN110386829B (en) | 2022-04-15 |
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