CN109251541B - Environment-friendly garden pavement material and preparation method thereof - Google Patents
Environment-friendly garden pavement material and preparation method thereof Download PDFInfo
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- CN109251541B CN109251541B CN201810892455.7A CN201810892455A CN109251541B CN 109251541 B CN109251541 B CN 109251541B CN 201810892455 A CN201810892455 A CN 201810892455A CN 109251541 B CN109251541 B CN 109251541B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention discloses an environment-friendly garden pavement material and a preparation method thereof, and aims to solve the technical problems of high production cost, poor environment friendliness and low mechanical strength of the existing pavement material. The environment-friendly garden pavement material is prepared from 20-50 parts by weight of asphalt, 10-30 parts by weight of ABS rubber powder, 15-40 parts by weight of high-strength ceramsite, 5-10 parts by weight of coconut shell powder, 3-10 parts by weight of bagasse, 5-8 parts by weight of sepiolite powder, 3-10 parts by weight of limestone mineral powder, 1-3 parts by weight of plasticizer and 0.5-2 parts by weight of vulcanizing agent DCP; the environment-friendly garden pavement material disclosed by the invention is simple in preparation method, low in cost and suitable for application and popularization.
Description
Technical Field
The invention relates to the technical field of garden materials, in particular to an environment-friendly garden pavement material and a preparation method thereof.
Background
In modern garden construction, materials such as cement, asphalt, colored pebbles, culture stones, and the like are widely used by garden workers in various forms, in addition to the continuing use of traditional materials.
At present, the existing garden pavement materials in China have poor performance, high raw material cost and environmental pollution, and cannot meet the requirements of current sustainable development. In addition, the service life of current this type of gardens road surface material is shorter, builds repeatedly, causes the very big waste of manpower, material resources and financial resources.
Disclosure of Invention
The invention aims to provide an environment-friendly garden pavement material, which aims to solve the technical problems of high production cost, poor environment friendliness and low mechanical strength of the existing pavement material.
The invention further discloses a preparation method of the environment-friendly garden pavement material, and the preparation method is used for solving the technical problems of high preparation cost and complex procedure of the existing garden pavement material.
In order to solve the technical problems, the invention adopts the following technical scheme:
the environment-friendly garden pavement material is designed and prepared from the following raw materials in parts by weight: 20-50 parts of asphalt, 10-30 parts of ABS rubber powder, 15-40 parts of high-strength ceramsite, 5-10 parts of coconut shell powder, 3-10 parts of bagasse, 5-8 parts of sepiolite powder, 3-10 parts of limestone mineral powder, 1-3 parts of plasticizer and 0.5-2 parts of vulcanizing agent DCP.
Preferably: the coconut shell powder and the bagasse are carbonized and processed by the following steps: firstly, mixing coconut shell powder and bagasse, and then mixing the coconut shell powder and the bagasse according to the proportion of 1: adding concentrated sulfuric acid into the mixture according to the mass ratio of 0.3-0.8, filtering out liquid after the reaction is complete, and washing solid residues with water and ethanol in sequence to obtain the catalyst.
Preferably: the reaction temperature is controlled to be 120-240 ℃, and the reaction time is controlled to be 1-3 h.
Preferably: the plasticizer is at least one of dimethyl phthalate, dibutyl phthalate and dioctyl phthalate.
The preparation method of the environment-friendly garden pavement material comprises the following steps:
(1) weighing the raw materials according to the mixture ratio;
(2) firstly, heating and stirring the asphalt uniformly, then adding ABS rubber powder, a plasticizer and a vulcanizing agent DCP, and continuously stirring to obtain a mixture A;
(3) adding high-strength ceramsite, sepiolite powder, limestone mineral powder, coconut shell powder and bagasse carbide into the mixture A, heating, and continuously stirring to obtain a mixture B;
(4) and pressing and forming the mixture B, maintaining for 9-12 h, cooling and drying in the shade to obtain the material.
Preferably: in the step (2), the heating temperature is 120-150 ℃, the stirring speed is 200-400 rad/min, the stirring time is 5-10 min, and the continuous stirring time is 15-30 min.
Preferably: in the step (3), the temperature is increased to 121-240 ℃, the continuous stirring speed is 300-600 rad/min, and the continuous stirring time is 15-30 min.
Preferably: in the step (4), saturated steam curing is adopted for curing.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the garden pavement material has the advantages of wide raw material source, no toxicity, no smell, environmental friendliness, simple manufacturing method, low cost and suitability for application and popularization.
2. The vulcanizing agent DCP added into the garden pavement material can improve the heat resistance, pressure resistance, crack resistance and mechanical strength of the material; the added high-strength ceramsite can make the material impervious and wear-resistant.
3. The carbides of the coconut shell powder and the bagasse added in the garden pavement material have porous and strong adsorbability, and can enhance the crack resistance and the mechanical strength of the material.
4. The raw materials in the formula are matched for synergism, so that the formed garden pavement material is environment-friendly, high in mechanical strength and excellent in crack resistance and stability.
Detailed Description
The following examples are given to illustrate specific embodiments of the present invention, but are not intended to limit the scope of the present invention in any way.
The instruments and devices referred to in the following examples are conventional instruments and devices unless otherwise specified; the industrial raw materials are all conventional industrial raw materials which are sold on the market if not specifically indicated; the processing and manufacturing methods are conventional methods unless otherwise specified.
Example 1: environment-friendly garden pavement material
Weighing 5kg of coconut shell powder and 5kg of bagasse, mixing, adding 3kg of concentrated sulfuric acid, reacting at 120 ℃ for 1h, performing suction filtration, washing with water for multiple times, finally washing with ethanol, and drying to obtain carbide of 5kg of coconut shell powder and 5kg of bagasse.
Weighing 25kg of asphalt, adding the asphalt into a reaction kettle, heating to 121 ℃, stirring for 6min at the rotating speed of 210 rad/min, adding 15kg of ABS rubber powder, 1kg of plasticizer and 0.6kg of vulcanizing agent DCP, and continuously stirring for 16min to obtain a mixture A; adding 20kg of high-strength ceramsite, 5kg of sepiolite powder, 5kg of limestone mineral powder, 5kg of coconut shell powder and 5kg of bagasse carbide into the mixture A, heating to 125 ℃, and stirring for 16min at the rotating speed of 310 rad/min to obtain a mixture B; and pressing and molding the mixture B, curing the molded blank in a saturated steam curing furnace for 9 hours, naturally cooling and drying in the shade to obtain the material.
Example 2: environment-friendly garden pavement material
Weighing 8kg of coconut shell powder and 7kg of bagasse, mixing, adding 9kg of concentrated sulfuric acid, reacting at 180 ℃ for 2 hours, performing suction filtration, washing with water for multiple times, finally washing with ethanol, and drying to obtain carbides of 8kg of coconut shell powder and 7kg of bagasse.
Weighing 35kg of asphalt, adding the asphalt into a reaction kettle, heating to 135 ℃, stirring for 8min at the rotating speed of 300 rad/min, then adding 20kg of ABS rubber powder, 2kg of plasticizer and 1.3kg of vulcanizing agent DCP, and continuously stirring for 22min to obtain a mixture A; adding 27kg of high-strength ceramsite, 6kg of sepiolite powder, 7kg of limestone mineral powder, 8kg of coconut shell powder and 7kg of bagasse carbide into the mixture A, heating to 180 ℃, and stirring for 22min at the rotation speed of 450 rad/min to obtain a mixture B; and pressing and molding the mixture B, curing the molded blank in a saturated steam curing furnace for 11h, naturally cooling and drying in the shade to obtain the material.
Example 3: environment-friendly garden pavement material
Weighing 10kg of coconut shell powder and 9kg of bagasse, mixing, adding 15.2kg of concentrated sulfuric acid, reacting at 240 ℃ for 3h, performing suction filtration, washing with water for multiple times, finally washing with ethanol, and drying to obtain carbides of 10kg of coconut shell powder and 9kg of bagasse.
Weighing 45kg of asphalt, adding the asphalt into a reaction kettle, heating to 145 ℃, stirring for 10min at the rotating speed of 390 rad/min, then adding 25kg of ABS rubber powder, 2.5kg of plasticizer and 1.9kg of vulcanizing agent DCP, and continuously stirring for 29min to obtain a mixture A; adding 35kg of high-strength ceramsite, 8kg of sepiolite powder, 9kg of limestone mineral powder, 10kg of coconut shell powder and 9kg of bagasse carbide into the mixture A, heating to 235 ℃, stirring for 29min at the rotation speed of 590 rad/min to obtain a mixture B; and pressing and molding the mixture B, curing the molded blank in a saturated steam curing furnace for 12 hours, naturally cooling and drying in the shade to obtain the material.
Comparative example: conventional asphalt pavement material
The performance test is carried out by taking examples 1-3 as a test group and taking a comparative example as a control group, the test is carried out by referring to a T0728-2000 asphalt mixture bending creep test in JTC E20-2011 road engineering asphalt and asphalt mixture experimental regulation, a wheel track forming test piece is cut into small beams of 40mm x 200mm, the test temperature is-10 ℃, the loading rate is 50mm/min, and the test results are shown in Table 1.
Table 1 table of performance test results
From table 1, it can be seen that the maximum bending strain values of the environment-friendly type garden pavement materials prepared in examples 1 to 3 are all greater than those of the conventional asphalt pavement materials of the control group, and the bending stiffness modulus values of the environment-friendly type garden pavement materials prepared in examples 1 to 3 are all less than those of the conventional asphalt pavement materials of the control group, i.e., the environment-friendly type garden pavement materials prepared in examples 1 to 3 have high mechanical strength and excellent crack resistance and stability.
Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes in the specific parameters of the embodiments may be made without departing from the spirit of the present invention, and a plurality of specific embodiments are formed, which are common variations of the present invention, and will not be described in detail herein.
Claims (7)
1. The utility model provides an environment-friendly gardens road surface material which characterized in that: the feed is prepared from the following raw materials in parts by weight: 20-50 parts of asphalt, 10-30 parts of ABS rubber powder, 15-40 parts of high-strength ceramsite, 5-10 parts of coconut shell powder, 3-10 parts of bagasse, 5-8 parts of sepiolite powder, 3-10 parts of limestone mineral powder, 1-3 parts of plasticizer and 0.5-2 parts of vulcanizing agent DCP; the coconut shell powder and the bagasse are subjected to carbonization treatment by the following steps: firstly, mixing coconut shell powder and bagasse, and then mixing the coconut shell powder and the bagasse according to the proportion of 1: adding concentrated sulfuric acid into the mixture according to the mass ratio of 0.3-0.8, filtering out liquid after the reaction is complete, and washing solid residues with water and ethanol in sequence to obtain the catalyst.
2. The environment-friendly garden pavement material according to claim 1, characterized in that: the reaction temperature is controlled to be 120-240 ℃, and the reaction time is controlled to be 1-3 h.
3. The environment-friendly garden pavement material according to claim 1, characterized in that: the plasticizer is at least one of dimethyl phthalate, dibutyl phthalate and dioctyl phthalate.
4. A method for preparing the environment-friendly garden pavement material according to claim 1, which is characterized in that: the method comprises the following steps:
(1) weighing the raw materials according to the proportion of claim 1;
(2) firstly, heating and stirring the asphalt uniformly, then adding ABS rubber powder, a plasticizer and a vulcanizing agent DCP, and continuously stirring to obtain a mixture A;
(3) adding high-strength ceramsite, sepiolite powder, limestone mineral powder, coconut shell powder and bagasse carbide into the mixture A, heating, and continuously stirring to obtain a mixture B;
(4) and pressing and forming the mixture B, maintaining for 9-12 h, cooling and drying in the shade to obtain the material.
5. The preparation method of the environment-friendly garden pavement material according to claim 4, characterized in that: in the step (2), the heating temperature is 120-150 ℃, the stirring speed is 200-400 rad/min, the stirring time is 5-10 min, and the continuous stirring time is 15-30 min.
6. The preparation method of the environment-friendly garden pavement material according to claim 4, characterized in that: in the step (3), the temperature is increased to 121-240 ℃, the continuous stirring speed is 300-600 rad/min, and the continuous stirring time is 15-30 min.
7. The preparation method of the environment-friendly garden pavement material according to claim 4, characterized in that: in the step (4), the curing adopts saturated steam curing.
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| CN201810892455.7A CN109251541B (en) | 2018-08-07 | 2018-08-07 | Environment-friendly garden pavement material and preparation method thereof |
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| CN201810892455.7A CN109251541B (en) | 2018-08-07 | 2018-08-07 | Environment-friendly garden pavement material and preparation method thereof |
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| CN109251541B true CN109251541B (en) | 2020-11-03 |
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Citations (5)
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|---|---|---|---|---|
| JPS5296622A (en) * | 1976-02-10 | 1977-08-13 | Nichireki Chem Ind Co | Method of improving nature of asphalt or asphalt composition for pavememt |
| CN102875058A (en) * | 2012-09-17 | 2013-01-16 | 湖北益通建设工程有限责任公司 | High-strength shale ceramsite and asphalt mixing material and paving method |
| CN103589175A (en) * | 2013-11-13 | 2014-02-19 | 广东筑奥园林有限公司 | Novel garden pavement material and preparation method thereof |
| CN106629661A (en) * | 2016-12-22 | 2017-05-10 | 泉州师范学院 | Process for preparing carbon nanospheres from bagasse |
| CN107188517A (en) * | 2017-07-19 | 2017-09-22 | 合肥申沃园艺有限公司 | A kind of ecological, environmental protective high-performance gardens ground surface material and preparation method thereof |
-
2018
- 2018-08-07 CN CN201810892455.7A patent/CN109251541B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5296622A (en) * | 1976-02-10 | 1977-08-13 | Nichireki Chem Ind Co | Method of improving nature of asphalt or asphalt composition for pavememt |
| CN102875058A (en) * | 2012-09-17 | 2013-01-16 | 湖北益通建设工程有限责任公司 | High-strength shale ceramsite and asphalt mixing material and paving method |
| CN103589175A (en) * | 2013-11-13 | 2014-02-19 | 广东筑奥园林有限公司 | Novel garden pavement material and preparation method thereof |
| CN106629661A (en) * | 2016-12-22 | 2017-05-10 | 泉州师范学院 | Process for preparing carbon nanospheres from bagasse |
| CN107188517A (en) * | 2017-07-19 | 2017-09-22 | 合肥申沃园艺有限公司 | A kind of ecological, environmental protective high-performance gardens ground surface material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| Mechanical performance of asphalt mixture containing nano-charcoal coconut shell ash;Siti Nur Amiera Jeffry等;《Construction and Building Materials》;20180407;第173卷;第40-48页 * |
| Utilization of reclaimed asphalt pavement aggregates containing waste from Sugarcane Mill for production of concrete mixes;Surender Singh等;《Journal of Cleaner Production》;20171019;第174卷;第42-45页 * |
| 生物炭改性沥青的路用性能;傅珍等;《广西大学学报( 自然科学版)》;20170825;第42卷(第4期);第1496-1504页 * |
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