CN110776295A - Cement-free artificial stone and preparation method thereof - Google Patents
Cement-free artificial stone and preparation method thereof Download PDFInfo
- Publication number
- CN110776295A CN110776295A CN201911169740.7A CN201911169740A CN110776295A CN 110776295 A CN110776295 A CN 110776295A CN 201911169740 A CN201911169740 A CN 201911169740A CN 110776295 A CN110776295 A CN 110776295A
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- Prior art keywords
- artificial stone
- cement
- weight
- waste
- slate
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
- C04B2111/542—Artificial natural stone
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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)
Abstract
The invention discloses a cement-free artificial stone and a preparation method thereof, wherein the cement-free artificial stone comprises slate particle waste materials: the weight percentage is 10% -40%; slate powdery waste: 30-70% by weight; pigment: 1-3% by weight; calcia cement: the weight percentage is 10% -40%; cotton fiber: 1-3 percent of water glass, calcium silicate powder and SiO
2Reinforcing agent consisting of superfine powder and polyacrylamide: the weight percentage is 1% -3%. The preparation method comprises the following steps: (1) sample preparation, (2) fluffing, (3) color spraying, (4) mixture preparation, (5) compression molding, (6) demolding, (7) steam curing, and (8) later stage. The invention solves the technical problems that some existing unsaturated polyester plates are poor in strength and easy to crack, a certain amount of VOC is released in production, and cement base plates are long in maintenance period and low in early strength.
Description
Technical Field
The invention belongs to the technical field of artificial stones, and particularly relates to a cement-free artificial stone.
Background
Engineered stone is typically referred to as engineered stone solid facestock, engineered quartz stone, engineered stone granite, and the like. The artificial stone has different types, and compared with traditional building materials such as stainless steel, ceramics and the like, the artificial stone has various functions, rich color and wider application range. The artificial stone has no toxicity, no radioactivity, flame retardance, no oil adhesion, antibiosis, mildew resistance, wear resistance, impact resistance and easy maintenance.
At present, unsaturated polyester or cement is mostly adopted as a bonding material for artificial stones produced in the building decoration industry, unsaturated polyester plates have the characteristics of poor strength and easiness in cracking, and certain VOC is released in production, so that the health of human bodies is threatened, and the environment is polluted; the cement-based plate has the defects of overlong curing period, low early strength and large curing time in the production process.
All of the present invention proposes a cement-free artificial stone having high strength and simple production and maintenance, so as to solve the problems set forth above.
Disclosure of Invention
The invention provides an inorganic artificial stone with high strength and simple production and maintenance, and aims to solve the problems that some unsaturated polyester plates have poor strength and are easy to crack, a certain amount of VOC is released in production, and cement base plates have long maintenance period and low early strength.
In order to achieve the purpose, the invention provides the following technical scheme: an artificial stone comprises slate particle waste, slate powder waste, pigment, calcium oxide cementing material, cotton fiber, reinforcing agent and water; the weight percentages of the slate particle waste, the slate powdery waste, the pigment, the calcium oxide cementing material, the cotton fiber and the reinforcing agent are as follows:
slate particle waste: 10% -40%;
slate powdery waste: 30% -70%;
pigment: 1% -3%;
calcia cement: 10% -40%;
cotton fiber: 1% -3%;
reinforcing agent: 1% -3%;
the amount of water is 20-40% of the total mass of the raw materials.
The raw materials of the reinforcing agent comprise water glass, calcium silicate powder and SiO
2Ultra fine powder and polyacrylamide, water glass: silicon calcium powder: SiO 2
2Ultra-fine powder: the polyacrylamide comprises the following components in percentage by weight: 2.1: 3.3: 1: 1.4.
preferably, the particle size of the particle waste is 20mm-50 mm.
Preferably, the particle size of the powdery waste is less than or equal to 0.45 mm.
The method for preparing the cement-free based artificial stone includes the following steps:
the method comprises the following steps: preparing a sample, namely crushing, screening and weighing the rock waste sample;
step two: defibering, namely dispersing fibers by a defibering machine for 10 min;
step three: spraying color, blending according to the required color, and then spraying on a die;
step four: preparing a mixture, pouring all the raw materials into a stirrer according to the weight percentage, and stirring for 30 minutes at a rotating speed of 50 r/min;
step five: pressing and forming, namely pouring the uniformly stirred semi-slurry into a mold with a sprayed color, filling the whole mold with the semi-slurry to ensure that the surface of the mold is smooth, and performing pressing and forming under the forming pressure of 15MPa and the pressure of 30S;
step six: demoulding, namely demoulding the pressed artificial stone for simple repair;
step seven: steam curing, namely putting the prepared artificial stone rough blank into a steam curing kettle, wherein the steam curing temperature is 180 ℃, and the steam curing time is 8-10 h;
step eight: and in the later stage, the steamed artificial stone is repaired and polished, and the production of the artificial stone is completed.
Detailed Description
Example 1
The mass percentages of the slate particle waste, the slate powder waste, the pigment, the calcium oxide cementing material, the cotton fiber and the reinforcing agent are 10 percent, 70 percent, 3 percent, 21 percent, 3 percent and 3 percent; the using amount of water is 40 percent of the total mass of the raw materials; the reinforcing agent is 24 percent of water glass and 11 percent of SiO
2The composition of the silicon micropowder, 15% of calcium silico-calcium powder, 10% of polyacrylamide and 40% of water is as follows:
the particle size of the slate particle waste is 20-30mm, the particle size of the slate powder waste is less than or equal to 0.45mm, and the concrete steps of the manufacturing process of the cement-free base artificial stone are as follows:
(1) preparing a sample: crushing, screening and weighing the rock waste sample;
(2) fluffing: dispersing cotton fiber by fluffer for 10 min;
(3) color spraying: blending according to the required color, and spraying on a die;
(4) preparing a mixture: pouring all the raw materials into a stirrer according to the weight percentage, stirring for 30 minutes at the rotating speed of 50 r/min;
(5) and (3) pressing and forming: pouring the uniformly stirred semi-slurry into a mold with a sprayed color, filling the whole mold with the semi-slurry, ensuring the surface of the mold to be smooth, performing compression molding, wherein the molding pressure is 15MPa, and keeping the pressure for 30S;
(6) demolding: demoulding the pressed artificial stone, and simply repairing;
(7) steaming: putting the prepared artificial stone rough blank into a steam curing kettle, wherein the steam curing temperature is 180 ℃, and the steam curing time is 9 hours;
(8) and (3) later stage: and repairing and polishing the steamed artificial stone to finish the production of the artificial stone.
Example 2
The mass percentages of the slate particle waste, the slate powder waste, the pigment, the calcium oxide cementing material, the cotton fiber and the reinforcing agent are 40 percent, 30 percent, 1 percent, 27 percent, 1 percent and 1 percent; the using amount of water is 20 percent of the total mass of the raw materials; the reinforcing agent is 24 percent of water glass and 11 percent of SiO
2The composition of the silicon micropowder, 7% of calcium silico-calcium powder, 10% of polyacrylamide and 40% of water is as follows:
the particle size of the slate particle waste is 30-50mm, the particle size of the slate powder waste is 0.45-0.55mm, and the concrete steps of the manufacturing process of the cement-free artificial stone are as follows:
(1) preparing a sample: crushing, screening and weighing the rock waste sample;
(2) fluffing: dispersing the fiber by a fluffer for 10 min;
(3) color spraying: blending according to the required color, and spraying on a die;
(4) preparing a mixture: pouring all the raw materials into a stirrer according to the weight percentage, stirring for 30 minutes at the rotating speed of 50 r/min;
(5) and (3) pressing and forming: pouring the uniformly stirred semi-slurry into a mold with a sprayed color, filling the whole mold with the semi-slurry, ensuring the surface of the mold to be smooth, performing compression molding, wherein the molding pressure is 15MPa, and keeping the pressure for 30S;
(6) demolding: demoulding the pressed artificial stone, and simply repairing;
(7) steaming: putting the prepared artificial stone rough blank into a steam curing kettle, wherein the steam curing temperature is 180 ℃, and the steam curing time is 10 hours;
(8) and (3) later stage: and (5) repairing and polishing the steamed artificial stone to finish the production of the artificial stone.
Example 3
20 percent of slate particle waste, slate powder waste, pigment, calcium oxide cementing material, cotton fiber and reinforcing agent,50%, 2%, 23%, 2%, 3%; the using amount of water is 40 percent of the total mass of the raw materials; 24 percent of water glass and 11 percent of SiO as reinforcing agents
2The composition of the silicon micropowder, 7% of calcium silico-calcium powder, 10% of polyacrylamide and 40% of water is as follows:
the particle size of the slate particle waste is 40-50mm, the particle size of the slate powder waste is less than or equal to 0.45mm, and the concrete steps of the manufacturing process of the cement-free base artificial stone are as follows:
(1) preparing a sample: crushing, screening and weighing the rock waste sample;
(2) fluffing: dispersing the fiber by a fluffer for 10 min;
(3) color spraying: blending according to the required color, and spraying on a die;
(4) preparing a mixture: pouring all the raw materials into a stirrer according to the weight percentage, stirring for 30 minutes at the rotating speed of 50 r/min;
(5) and (3) pressing and forming: pouring the uniformly stirred semi-slurry into a mold with a sprayed color, filling the whole mold with the semi-slurry, ensuring the surface of the mold to be smooth, performing compression molding, wherein the molding pressure is 15MPa, and keeping the pressure for 30S;
(6) demolding: demoulding the pressed artificial stone, and simply repairing;
(7) steaming: putting the prepared artificial stone rough blank into a steam curing kettle, wherein the steam curing temperature is 180 ℃, and the steam curing time is 10 hours;
(8) and (3) later stage: and repairing and polishing the steamed artificial stone to finish the production of the artificial stone.
Results of the main performance index tests of examples 1-3:
| example number | Impact of falling ball | Compressive Strength (MB) | Bending Strength (MB) |
| 1 | Qualified | 85 | 18 |
| 2 | Qualified | 80 | 17 |
| 3 | Qualified | 82 | 18 |
The above-described embodiments are merely preferred embodiments of the present invention, which should not be construed as limiting the invention, and any modifications, equivalents, improvements, etc. made within the spirit of the present invention should be included in the scope of the present invention.
Claims (4)
1. The cement-free artificial stone comprises the following raw materials of slate particle waste: the weight percentage is 10% -40%; slate powdery waste: 30-70% by weight; pigment: 1-3% by weight; calcia cement: the weight percentage is 10% -40%; cotton fiber: 1-3% by weight; the cement-free base artificial stone is characterized by also comprising a reinforcing agent: 1-3 percent of water glass, calcium silicate powder and SiO
2Ultra fine powder and polyacrylamide, water glass: silicon calcium powder: SiO 2
2Ultra-fine powder: the weight ratio of polyacrylamide is equal to 2.1: 3.3: 1: 1.4.
2. the cement-free artificial stone according to claim 1, wherein the particle waste has a particle size of 20mm to 50 mm.
3. The cement-free artificial stone according to claim 1, wherein the particle size of the powdery waste is 0.45mm or less.
4. A method for preparing the cement-free artificial stone according to any one of claims 1 to 3, characterized by comprising the steps of:
the method comprises the following steps: preparing a sample, namely crushing, screening and weighing the rock waste sample;
step two: defibering, namely dispersing fibers by a defibering machine for 10 min;
step three: spraying color, blending according to the required color, and then spraying on a die;
step four: preparing a mixture, pouring all the raw materials into a stirrer according to the weight percentage, and stirring for 30 minutes at a rotating speed of 50 r/min;
step five: pressing and forming, namely pouring the uniformly stirred semi-slurry into a mold with a sprayed color, filling the whole mold with the semi-slurry to ensure that the surface of the mold is smooth, and performing pressing and forming under the forming pressure of 15MPa and the pressure of 30S;
step six: demoulding, namely demoulding the pressed artificial stone for simple repair;
step seven: steam curing, namely putting the prepared artificial stone rough blank into a steam curing kettle, wherein the steam curing temperature is 180 ℃, and the steam curing time is 8-10 h;
step eight: and in the later stage, the steamed artificial stone is repaired and polished, and the production of the artificial stone is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169740.7A CN110776295A (en) | 2019-11-26 | 2019-11-26 | Cement-free artificial stone and preparation method thereof |
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|---|---|---|---|
| CN201911169740.7A CN110776295A (en) | 2019-11-26 | 2019-11-26 | Cement-free artificial stone and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978636A (en) * | 2020-08-20 | 2020-11-24 | 河北瞻著机械设备有限公司 | Graphite fiber composite carrier roller |
| CN112094076A (en) * | 2020-08-28 | 2020-12-18 | 湖南阿太克新材料股份有限公司 | Manufacturing method of cement-free base stone-like EPS lines |
| EP3798198A1 (en) * | 2019-07-26 | 2021-03-31 | Empresa das Lousas de Valongo, SA | Composite material, method for obtaining the same and articles thereof |
| CN117228985A (en) * | 2023-09-27 | 2023-12-15 | 福建超瓷新型材料有限公司 | Quartz stone composition, preparation method and application thereof |
-
2019
- 2019-11-26 CN CN201911169740.7A patent/CN110776295A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3798198A1 (en) * | 2019-07-26 | 2021-03-31 | Empresa das Lousas de Valongo, SA | Composite material, method for obtaining the same and articles thereof |
| CN111978636A (en) * | 2020-08-20 | 2020-11-24 | 河北瞻著机械设备有限公司 | Graphite fiber composite carrier roller |
| CN112094076A (en) * | 2020-08-28 | 2020-12-18 | 湖南阿太克新材料股份有限公司 | Manufacturing method of cement-free base stone-like EPS lines |
| CN117228985A (en) * | 2023-09-27 | 2023-12-15 | 福建超瓷新型材料有限公司 | Quartz stone composition, preparation method and application thereof |
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Application publication date: 20200211 |