CN109851311A - A kind of water-fast building panel and preparation method thereof - Google Patents
A kind of water-fast building panel and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of water-fast building panel and preparation method thereof, the water-fast building panel mainly includes following component: 100 parts of magnesia, 120~135 parts of magnesium chloride, 1~2 part of polypropylene fibre, 12~17 parts of flyash, 5~10 parts of talcum powder, 4~6 parts of calcium carbonate, 1~3 part of silicon ash, 0.2~1.5 part of citric acid, 0.3~0.8 part of waterproofing agent and 20~30 parts of foaming agent.The waterproofing agent be oxidized polyethylene wax, polyamide wax, calcium lignosulfonate, Sodium Polyacrylate and octadecyl acrylate mixture.Using building panel obtained by the method for the present invention, fire resistance rating reaches A1, >=15d is non-swelling, does not crack, compression strength reaches 64~80MPa, compression strength still reaches 61~76MPa after impregnating 10 days in water, it can be seen that the water-fast effect of building panel of the present invention is good, it is a kind of water-fast building panel of high-quality that compression strength and fire resistance rating are high.
Description
Technical field
The present invention relates to a kind of water-fast building panels and preparation method thereof, belong to building board technical field.
Background technique
Magnesia building board has many advantages, such as fire resisting, light, impact resistance, sound insulation, but its intrinsic performance deficiency seriously hinders
Hinder its application range, such as the easy moisture absorption, poor water resistance, deformation easy to crack.Solve the problems, such as magnesia building board poor water resistance,
Plate property will be greatly improved, its application range is expanded to wider field, and then push magnesia building board industry
Development.Currently, the means for improving magnesia building board water resistance depend on water-repellent modified dose and admixture, but effect is still
It is unobvious.
Summary of the invention
In consideration of it, the present invention, which provides a kind of water-fast building panel and preparation method thereof, solves problem above.
The technical solution adopted by the present invention is as follows:
A kind of water-fast building panel includes following component by weight:
100 parts of magnesia, 120~135 parts of magnesium chloride, 1~2 part of polypropylene fibre, 12~17 parts of flyash, talcum powder 5
~10 parts, 4~6 parts of calcium carbonate, 1~3 part of silicon ash, 0.2~1.5 part of citric acid, 0.3~0.8 part of waterproofing agent and foaming agent 20~
30 parts.
The waterproofing agent is the mixing of oxidized polyethylene wax, polyamide wax, calcium lignosulfonate, Sodium Polyacrylate and octadecyl acrylate
Object.
Preferably, oxidized polyethylene wax, polyamide wax, calcium lignosulfonate, Sodium Polyacrylate and acrylic acid 18 in the waterproofing agent
The mass ratio of ester is 1:(7~9): (1~2): (0.4~1): (2~5).
It is furthermore preferred that oxidized polyethylene wax, polyamide wax, calcium lignosulfonate, Sodium Polyacrylate and acrylic acid ten in the waterproofing agent
The mass ratio of octaester is 1:7:2:0.5:3.
Preferably, the foaming agent is the mixing of rosin soap foaming agent and lauryl sodium sulfate 1:3~4 in mass ratio
Object.
Preferably, in use, uniformly mixed waterproofing agent is heated to 28~35 DEG C.
The present invention also provides a kind of preparation methods of water-fast building panel, comprising the following steps:
S1, the mixing compacting of panel material: the solution for taking magnesium chloride that water is added to be configured to 0.87~1.2g/L is heated to 35~40
DEG C, flyash, calcium carbonate and silicon ash is added, mixes, is cooled to 20~30 DEG C；Polypropylene fibre is added into magnesium chloride solution,
It stirs 10~15min to mix, magnesia is added, then sequentially add talcum powder, citric acid, waterproofing agent, 10~15min of stirring is equal
It is even；Foaming agent is added, suppresses after mixing evenly, press temperature is 80~90 DEG C, pressure is 0.2~0.3Mpa, and top panel is made；
Wherein, the dosage of all the components is the 1/3 of formula ratio；It is made in the same way of lower panel；
S2, the mixing compacting of sandwich layer material: the solution for taking magnesium chloride that water is added to be configured to 1.2~1.5g/L is heated to 25~30
DEG C, flyash and calcium carbonate is added, mixes, is cooled to 20~30 DEG C；Polypropylene fibre, stirring 10 are added into magnesium chloride solution
~15min is mixed, and magnesia is added, then sequentially adds silicon ash, talcum powder, waterproofing agent, and 10~15min is uniform to mix for stirring
Material；Citric acid is mixed with foaming agent, is added in the mixed material under the conditions of 65~70 DEG C of temperature, after mixing evenly
Compacting, press temperature is 85~100 DEG C, pressure is 0.2~0.3Mpa, and middle layer plate is made；Wherein, the dosage of all the components is
The 1/3 of formula ratio；
S3, respectively by top panel and lower panel compacting in the upper and lower surface of middle layer plate, press temperature is 100~120 DEG C, pressure
By force it is 0.3~0.4Mpa, 4~8h is conserved under room temperature then to get water-fast building panel.
Compared with prior art, the beneficial effects of the present invention are:
The research of the invention finds that be added silicon ash and citric acid can effectively shorten plate process time and improve water resistance
Can, but the two additive amount it is excessive may cause building panel anti-pressure ability weaken, so the addition of silicon ash and citric acid and
Consumption proportion between the two and other compositions is most important.
Waterproofing agent is oxidized polyethylene wax, polyamide wax, calcium lignosulfonate, Sodium Polyacrylate and octadecyl acrylate in the present invention
Mixture.Plate water resistance can be effectively improved by the waterproofing agent.
Foaming agent is the mixture of rosin soap foaming agent and lauryl sodium sulfate 1:3~4 in mass ratio in the present invention, can
Further shorten the sheet fabrication time, improves production efficiency.
Building panel obtained by the present invention, fire resistance rating reach A1, and >=15d is non-swelling, does not crack, and compression strength reaches 66
~80MPa, compression strength still reaches 62~76MPa after impregnating 10 days in water, it is seen that the water-fast effect of building panel of the present invention is good, resists
Compressive Strength and fire resistance rating are high, are a kind of water-fast building panels of high-quality.
The method of the present invention can effectively improve properties of product, and fire resistance rating reaches A1 grades, and >=18d is non-swelling, does not crack, resistance to compression
Intensity reaches 80MPa, and compression strength still reaches 76MPa after impregnating 10 days in water, and is suppressed using the method for the present invention in plate
It only needs room temperature to conserve 4h afterwards, further increases working efficiency, save the cost.
Specific embodiment
Below by specific embodiment, invention is further described in detail.
Experimental method used in the embodiment of the present invention is conventional method unless otherwise specified.
Material used in the embodiment of the present invention, reagent etc., are commercially available unless otherwise specified.
Embodiment 1
A kind of water-fast building panel includes following component by weight:
100 parts of magnesia, 120 parts of magnesium chloride, 1 part of polypropylene fibre, 12 parts of flyash, 5 parts of talcum powder, 4 parts of calcium carbonate,
1 part of silicon ash, 0.2 part of citric acid, 0.3 part of waterproofing agent and 20 parts of rosin foaming agent.
Oxidized polyethylene wax in waterproofing agent, polyamide wax, calcium lignosulfonate, Sodium Polyacrylate and octadecyl acrylate mass ratio be
1:7:1:0.4:2 in use, uniformly mixed waterproofing agent is heated to 28 DEG C.
The preparation method of water-fast building panel: according to a conventional method, after all materials are mixed, compacting, press temperature 100
DEG C, pressure 0.3Mpa, then under room temperature conserve 8h to get water-fast building panel.
The preparation method of the water-fast building panel, comprising the following steps:
S1, the mixing compacting of panel material: the solution for taking magnesium chloride that water is added to be configured to 0.87g/L is heated to 30 DEG C, and powder is added
Coal ash, calcium carbonate and silicon ash mix, are cooled to 20 DEG C；Polypropylene fibre is added into magnesium chloride solution, stirring 10min is mixed,
Magnesia is added, then sequentially adds talcum powder, citric acid, waterproofing agent, stirring 10min is uniform；Foaming agent is added, stirs evenly
After suppress, press temperature is 70 DEG C, pressure 0.2Mpa, and top panel is made；Wherein, the dosage of all the components is formula ratio
1/3；It is made in the same way of lower panel；
S2, the mixing compacting of sandwich layer material: the solution for taking magnesium chloride that water is added to be configured to 0.87g/L is heated to 30 DEG C, and powder is added
Coal ash and calcium carbonate mix, are cooled to 20 DEG C；Polypropylene fibre is added into magnesium chloride solution, stirring 10min is mixed, is added
Then magnesia sequentially adds silicon ash, talcum powder, waterproofing agent, stirring 10min is uniform to obtain mixed material；By citric acid and foaming
Agent mixing, is added in the mixed material under the conditions of 80 DEG C of temperature, suppresses after mixing evenly, and press temperature is 120 DEG C, presses
It is by force 0.2Mpa, middle layer plate is made；Wherein, the dosage of all the components is the 1/3 of formula ratio；
S3, respectively by top panel and lower panel compacting in the upper and lower surface of middle layer plate, press temperature is 120 DEG C, pressure is
Then 0.5Mpa conserves 8h to get water-fast building panel under room temperature.
Embodiment 2
A kind of water-fast building panel includes following component by weight:
100 parts of magnesia, 135 parts of magnesium chloride, 2 parts of polypropylene fibre, 17 parts of flyash, 10 parts of talcum powder, calcium carbonate 6
Part, 3 parts of silicon ash, 1.5 parts of citric acid, 0.8 part of waterproofing agent and 30 parts of rosin foaming agent.
Oxidized polyethylene wax, polyamide wax, calcium lignosulfonate, the quality of Sodium Polyacrylate and octadecyl acrylate in the waterproofing agent
Than for 1:9:2:1:5, in use, uniformly mixed waterproofing agent is heated to 35 DEG C.
The preparation method of the water-fast building panel is same as Example 1.
Embodiment 3
Embodiment 3 the difference from example 2 is that:
Oxidized polyethylene wax in waterproofing agent, polyamide wax, calcium lignosulfonate, Sodium Polyacrylate and octadecyl acrylate mass ratio be
1:7:2:0.5:3。
Embodiment 4
Embodiment 4 and the difference of embodiment 3 are:
Foaming agent is rosin soap foaming agent and the lauryl sodium sulfate mixture of 1:3 in mass ratio.After plate compacting only
6h need to be conserved.
Embodiment 5
Embodiment 5 and the difference of embodiment 4 are:
Foaming agent is rosin soap foaming agent and the lauryl sodium sulfate mixture of 1:4 in mass ratio.
Embodiment 6
Embodiment 6 and the difference of embodiment 5 are:
The preparation method of the water-fast building panel, comprising the following steps:
S1, the mixing compacting of panel material: the solution for taking magnesium chloride that water is added to be configured to 0.87g/L is heated to 35 DEG C, and powder is added
Coal ash, calcium carbonate and silicon ash mix, are cooled to 20 DEG C；Polypropylene fibre is added into magnesium chloride solution, stirring 10min is mixed,
Magnesia is added, then sequentially adds talcum powder, citric acid, waterproofing agent, stirring 10min is uniform；Foaming agent is added, stirs evenly
After suppress, press temperature is 80 DEG C, pressure 0.2Mpa, and top panel is made；Wherein, the dosage of all the components is formula ratio
1/3；It is made in the same way of lower panel；
S2, the mixing compacting of sandwich layer material: the solution for taking magnesium chloride that water is added to be configured to 1.2g/L is heated to 25 DEG C, and powder is added
Coal ash and calcium carbonate mix, are cooled to 20 DEG C；Polypropylene fibre is added into magnesium chloride solution, stirring 10min is mixed, is added
Then magnesia sequentially adds silicon ash, talcum powder, waterproofing agent, stirring 10min is uniform to obtain mixed material；By citric acid and foaming
Agent mixing, is added in the mixed material under the conditions of 65 DEG C of temperature, suppresses after mixing evenly, and press temperature is 85 DEG C, presses
It is by force 0.2Mpa, middle layer plate is made；Wherein, the dosage of all the components is the 1/3 of formula ratio；
S3, respectively by top panel and lower panel compacting in the upper and lower surface of middle layer plate, press temperature is 100 DEG C, pressure is
Then 0.3Mpa conserves 4h to get water-fast building panel under room temperature.
Embodiment 7
Embodiment 7 and the difference of embodiment 6 are:
A kind of preparation method of water-fast building panel, comprising the following steps:
S1, the mixing compacting of panel material: the solution for taking magnesium chloride that water is added to be configured to 1.2g/L is heated to 40 DEG C, and powder is added
Coal ash, calcium carbonate and silicon ash mix, are cooled to 30 DEG C；Polypropylene fibre is added into magnesium chloride solution, stirring 15min is mixed,
Magnesia is added, then sequentially adds talcum powder, citric acid, waterproofing agent, stirring 15min is uniform；Foaming agent is added, stirs evenly
After suppress, press temperature is 90 DEG C, pressure 0.3Mpa, and top panel is made；Wherein, the dosage of all the components is formula ratio
1/3；It is made in the same way of lower panel；
S2, the mixing compacting of sandwich layer material: the solution for taking magnesium chloride that water is added to be configured to 1.5g/L is heated to 30 DEG C, and powder is added
Coal ash and calcium carbonate mix, are cooled to 30 DEG C；Polypropylene fibre is added into magnesium chloride solution, stirring 15min is mixed, is added
Then magnesia sequentially adds silicon ash, talcum powder, waterproofing agent, stirring 15min is uniform to obtain mixed material；By citric acid and foaming
Agent mixing, is added in the mixed material under the conditions of temperature 70 C, suppresses after mixing evenly, and press temperature is 100 DEG C, presses
It is by force 0.3Mpa, middle layer plate is made；Wherein, the dosage of all the components is the 1/3 of formula ratio；
S3, respectively by top panel and lower panel compacting in the upper and lower surface of middle layer plate, press temperature is 120 DEG C, pressure is
Then 0.4Mpa conserves 4h to get water-fast building panel under room temperature.
Comparative example 1
Comparative example 1 the difference from embodiment 1 is that:
Oxidized polyethylene wax in the waterproofing agent, polyamide wax, calcium lignosulfonate and Sodium Polyacrylate mass ratio be 1:7:1:1.
Comparative example 2
Comparative example 2 the difference from embodiment 1 is that:
Waterproofing agent is waterproofing agent of organosilicon.
Comparative example 3
Comparative example 3 the difference from embodiment 1 is that:
A kind of building panel includes following component by weight:
100 parts of magnesia, 120 parts of magnesium chloride, 1 part of polypropylene fibre, 10 parts of flyash, 5 parts of talcum powder, 3 parts of calcium carbonate,
0.5 part of silicon ash, 0.1 part of citric acid, 0.2 part of waterproofing agent and 20 parts of foaming agent.
Oxidized polyethylene wax in waterproofing agent, polyamide wax, calcium lignosulfonate, Sodium Polyacrylate and octadecyl acrylate mass ratio be
1:5:1:2:1。
Test example:
The performance data of the building panel as made from embodiment and comparative example the method is shown in Table 1.Compression strength is in table
The intensity measured after impregnating 0 day, 10 days in water.
Table 1
| Fire resistance rating | Water resistance | Compression strength (0 day) | Compression strength (10 days) | |
| Embodiment 1 | A2 | >=12d, it is non-swelling, it does not crack | 65.2MPa | 61.9MPa |
| Embodiment 2 | A2 | >=12d, it is non-swelling, it does not crack | 64.8MPa | 61.2MPa |
| Embodiment 3 | A1 | >=15d, it is non-swelling, it does not crack | 69.2MPa | 63.2MPa |
| Embodiment 4 | A1 | >=15d, it is non-swelling, it does not crack | 68.2MPa | 65.5MPa |
| Embodiment 5 | A1 | >=15d, it is non-swelling, it does not crack | 69.7MPa | 62.0MPa |
| Embodiment 6 | A1 | >=18d, it is non-swelling, it does not crack | 80.0MPa | 76.2MPa |
| Embodiment 7 | A1 | >=18d, it is non-swelling, it does not crack | 78.2MPa | 73.2MPa |
| Comparative example 1 | A2 | >=5d, it is non-swelling, it does not crack | 50.2MPa | 36.2MPa |
| Comparative example 2 | A2 | >=5d, it is non-swelling, it does not crack | 47.2MPa | 29.0MPa |
| Comparative example 3 | A2 | >=8d, it is non-swelling, it does not crack | 55.2MPa | 37.2MPa |
Test result shows that, using building panel obtained by the method for the present invention, fire resistance rating reaches A1, >=15d is non-swelling,
It does not crack, compression strength reaches 64~80MPa, and compression strength still reaches 61~76MPa after impregnating 10 days in water, it is seen that this hair
The bright water-fast effect of building panel is good, and it is a kind of water-fast building panel of high-quality that compression strength and fire resistance rating are high.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made.
Claims (6)
1. a kind of water-fast building panel, which is characterized in that by weight include following component:
100 parts of magnesia, 120~135 parts of magnesium chloride, 1~2 part of polypropylene fibre, 12~17 parts of flyash, talcum powder 5~10
Part, 4~6 parts of calcium carbonate, 1~3 part of silicon ash, 0.2~1.5 part of citric acid, 0.3~0.8 part of waterproofing agent and 20~30 parts of foaming agent；
The waterproofing agent be oxidized polyethylene wax, polyamide wax, calcium lignosulfonate, Sodium Polyacrylate and octadecyl acrylate mixture.
2. water-fast building panel according to claim 1, which is characterized in that oxidized polyethylene wax, polyamides in the waterproofing agent
Amine wax, calcium lignosulfonate, Sodium Polyacrylate and octadecyl acrylate mass ratio be 1:(7~9): (1~2): (0.4~1): (2~5).
3. water-fast building panel according to claim 1, which is characterized in that oxidized polyethylene wax, polyamides in the waterproofing agent
Amine wax, calcium lignosulfonate, Sodium Polyacrylate and octadecyl acrylate mass ratio be 1:7:2:0.5:3.
4. water-fast building panel according to claim 1, which is characterized in that the foaming agent is rosin soap foaming agent and 12
The mixture of sodium alkyl sulfate 1:3~4 in mass ratio.
5. water-fast building panel according to claim 1, which is characterized in that in use, uniformly mixed waterproofing agent is heated
To 28~35 DEG C.
6. the preparation method of described in any item water-fast building panels according to claim 1~5, which is characterized in that including following step
It is rapid:
S1, the mixing compacting of panel material: the solution for taking magnesium chloride that water is added to be configured to 0.87~1.2g/L is heated to 35~40 DEG C,
Flyash, calcium carbonate and silicon ash is added, mixes, is cooled to 20~30 DEG C；Polypropylene fibre is added into magnesium chloride solution, stirs
10~15min is mixed, and magnesia is added, and then sequentially adds talcum powder, citric acid, waterproofing agent, and 10~15min of stirring is uniform；
Foaming agent is added, suppresses after mixing evenly, press temperature is 80~90 DEG C, pressure is 0.2~0.3Mpa, and top panel is made；Its
In, the dosage of all the components is the 1/3 of formula ratio；It is made in the same way of lower panel；
S2, the mixing compacting of sandwich layer material: the solution for taking magnesium chloride that water is added to be configured to 1.2~1.5g/L is heated to 25~30 DEG C, adds
Enter flyash and calcium carbonate, mixes, be cooled to 20~30 DEG C；It is added polypropylene fibre into magnesium chloride solution, stirring 10~
15min is mixed, and magnesia is added, and then sequentially adds silicon ash, talcum powder, waterproofing agent, and 10~15min of stirring is uniform to obtain mixture
Material；Citric acid is mixed with foaming agent, is added in the mixed material under the conditions of 65~70 DEG C of temperature, presses after mixing evenly
System, press temperature is 85~100 DEG C, pressure is 0.2~0.3Mpa, and middle layer plate is made；Wherein, the dosage of all the components is to match
1/3 just measured；
S3, respectively by top panel and lower panel compacting in the upper and lower surface of middle layer plate, press temperature is 100~120 DEG C, pressure is
Then 0.3~0.4Mpa conserves 4~8h to get water-fast building panel under room temperature.
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2019
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| CN102964110A (en) * | 2012-12-25 | 2013-03-13 | 山东建科特种建筑工程技术中心 | Water-resistant fireproof inorganic light-weight thermal-insulation foam board |
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Application publication date: 20190607 |