CN101875489A - Preparation method of large-size carbon spheres - Google Patents
Preparation method of large-size carbon spheres Download PDFInfo
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- CN101875489A CN101875489A CN2009102596579A CN200910259657A CN101875489A CN 101875489 A CN101875489 A CN 101875489A CN 2009102596579 A CN2009102596579 A CN 2009102596579A CN 200910259657 A CN200910259657 A CN 200910259657A CN 101875489 A CN101875489 A CN 101875489A
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Abstract
The invention provides a preparation method of large-size carbon spheres, which comprises the following steps: (1) adding an anionic surfactant into a glucose solution to form a mixed liquor, wherein the concentrations of glucose and the anionic surfactant in the mixed liquor are respectively 0.2-0.6 g/ml and 0.005-0.02 g/ml; (2) heating the mixed liquor to 230-250 DEG C, keeping the temperature for 500-800 minutes, and cooling to room temperature; (3) and taking out the product, washing, filtering, and drying to obtain the large-size carbon spheres. By adding the surfactant and using the glucose as the raw material, the large-size carbon spheres are prepared. The invention has the advantages of simple equipment, simple production technique and low cost.
Description
Technical field
The present invention relates to a kind of preparation method of carbon ball, especially relate to a kind of preparation method of carbon ball with big size.
Background technology
Along with the discovery of carbon materials such as CNT (carbon nano-tube), soccerballene and Graphene, people recognize the importance of carbon material in Development of Human Civilization.Carbon material has high chemical stability, good high-temperature resistance toheat, and extensive application prospect in biological field and electronic applications has caused people's very big attention.Wherein, spherical carbon material (carbon ball) also is used as medicine, catalyst support material, biomass parting material, medicament slow release material etc.
The preparation method of carbon ball material has a lot, as chemical vapor deposition (CVD), asphalt pyrolysis, arc process and carbohydrate evaporation etc.Wherein, CVD and arc process required equipment costliness, complicated operation; The asphalt pyrolysis method not only needs high temperature service, also needs atmosphere protection, and pitch belongs to petroleum resources, and is non-renewable; And the carbohydrate evaporation, desired raw material is a carbohydrate, and sugar is reproducible, and this method technology is simple, reaction conditions is gentle (＜300 ℃), is suitable for scale operation.But described carbohydrate evaporation is that sugar soln is put into water heating kettle, reacts for some time at a certain temperature, makes the sugar dehydration, finally forms the carbon ball, and the resulting carbon ball of this method size is generally all at nanometer and submicron order, and particle diameter is less.
Carbon material has very excellent chemical stability, and parting material is used for the separation and the enrichment of material, but the size of the required carbon ball of this Application Areas is bigger.In the existing literature report, by the carbohydrate dehydration prepared be nanometer or sub-micrometer range, maximum carbon spherical diameter is 5um only also.The present invention by adding tensio-active agent, has solved the difficult problem of carbon ball with big size preparation with the sugared source of glucose, has successfully prepared carbon ball with big size (diameter＞5um), further widened the carbon ball in the separating substances Application for Field.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of preparation method of carbon ball with big size; This method is a raw material with glucose and tensio-active agent (sodium laurylsulfonate, Sodium dodecylbenzene sulfonate, perhaps both arbitrary proportions mix), through hydrothermal treatment consists, can obtain micron-sized carbon ball, the carbon ball with big size of diameter dimension between 5-15 μ m; Simultaneously, can regulate carbon ball size by regulating glucose and surfactant concentrations; This method equipment input is little, technology is simple, cost is low, is suitable for large-scale industrial production.
For solving the problems of the technologies described above, the preparation method of a kind of carbon ball with big size of the present invention comprises the steps:
(1) anion surfactant is joined form mixed solution in the glucose solution, the concentration of glucose and anion surfactant is respectively 0.2-0.6g/ml and 0.005-0.02g/ml in this mixed solution;
(2) above-mentioned mixed solution is heated to 230-250 ℃, is incubated 500-800 minute; Then, be cooled to room temperature;
(3) product is taken out, through washing, suction filtration and drying process, get final product carbon ball with big size.
Further, described anion surfactant is the mixture of a kind of or two kinds of arbitrary proportions among sodium laurylsulfonate, the Sodium dodecylbenzene sulfonate.
The present invention has following beneficial effect:
(1) the carbon ball size that a process for preparing is big, and particle size range is between 5-15 μ m;
(2) required equipment is simple, production technique is simple and cost is low.
Description of drawings
Fig. 1 is scanning electron microscope (SEM) photo of example 1 prepared carbon ball.
Embodiment
In order to show substantive distinguishing features of the present invention and marked improvement, further specify embodiment and effect with following indefiniteness embodiment.
Embodiment 1
A kind of preparation method of carbon ball with big size comprises the steps:
(1) sodium laurylsulfonate is joined form mixed solution in the glucose solution, wherein the concentration of glucose and sodium laurylsulfonate is respectively: 0.2g/ml and 0.005g/ml;
(2) above-mentioned mixed solution is heated to 240 ℃, kept this temperature 600 minutes; Then, be cooled to room temperature;
(3) product is taken out, through washing, suction filtration and drying process, get final product carbon ball with big size.
Characterize through scanning electronic microscope, the diameter of carbon ball is 5-11 μ m.
Embodiment 2
A kind of preparation method of carbon ball with big size comprises the steps:
(1) Sodium dodecylbenzene sulfonate is joined form mixed solution in the glucose solution, wherein the concentration of glucose and Sodium dodecylbenzene sulfonate is respectively 0.6g/ml and 0.02g/ml;
(2) above-mentioned mixed solution is heated to 230 ℃, kept this temperature 800 minutes; Then, be cooled to room temperature;
(3) product is taken out, through washing, suction filtration and drying process, get final product carbon ball with big size;
Characterize through scanning electronic microscope, the diameter of carbon ball is 9-13 μ m.
Embodiment 3
A kind of preparation method of carbon ball with big size comprises the steps:
(1) tensio-active agent is joined form mixed solution in the glucose solution, glucose, surfactant concentrations are respectively 0.4g/ml and 0.015g/ml in the described mixed solution; Wherein tensio-active agent is the mixing of sodium laurylsulfonate and Sodium dodecylbenzene sulfonate, and both mass ratioes are 7: 8;
(2) above-mentioned mixed solution is heated to 240 ℃, kept this temperature 500 minutes, then, be cooled to room temperature;
(3) product is taken out, through washing, suction filtration and drying process, get final product carbon ball with big size.
Characterize through scanning electronic microscope, the diameter of carbon ball is 7-10 μ m.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here can't give exhaustive to all embodiments.Everyly belong to the row that conspicuous variation that technical scheme of the present invention extends out or change still are in protection scope of the present invention.
Claims (2)
1. the preparation method of a carbon ball is characterized in that, comprises the steps:
(1) anion surfactant is joined form mixed solution in the glucose solution, the concentration of glucose and anion surfactant is respectively 0.2-0.6g/ml and 0.005-0.02g/ml in this mixed solution;
(2) above-mentioned mixed solution is heated to 230-250 ℃, is incubated 500-800 minute; Then, be cooled to room temperature;
(3) product is taken out, through washing, suction filtration and drying process, get final product carbon ball with big size.
2. the preparation method of a kind of carbon ball according to claim 1 is characterized in that: described anion surfactant is the mixture of a kind of or two kinds of arbitrary proportions among sodium laurylsulfonate, the Sodium dodecylbenzene sulfonate.
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| CN2009102596579A CN101875489A (en) | 2009-12-22 | 2009-12-22 | Preparation method of large-size carbon spheres |
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| CN2009102596579A CN101875489A (en) | 2009-12-22 | 2009-12-22 | Preparation method of large-size carbon spheres |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698754A (en) * | 2012-05-28 | 2012-10-03 | 北京化工大学 | Nanometer iron oxide/carbon sphere compound catalyst and preparation method and application thereof |
| CN107042089A (en) * | 2017-03-28 | 2017-08-15 | 大连理工大学 | A kind of synthetic method of function carbon material and its application in heavy metal-polluted water process |
| CN107285295A (en) * | 2017-05-24 | 2017-10-24 | 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 | A kind of preparation method with level hole high graphitization degree Nano carbon balls |
| CN107746056A (en) * | 2017-11-06 | 2018-03-02 | 江苏森森炭业科技有限公司 | A kind of production method of spherical activated charcoal |
| CN109319760A (en) * | 2018-11-12 | 2019-02-12 | 青岛科技大学 | A kind of carbon micron-spheres and preparation method thereof |
| CN110408190A (en) * | 2019-07-30 | 2019-11-05 | 湖北大学 | Preparation method, product and the purposes of ultraviolet resistance radiation carbon ball modified polyurethane |
| CN111217352A (en) * | 2018-11-26 | 2020-06-02 | 中国科学院大连化学物理研究所 | Preparation method of cyclodextrin derived micron carbon sphere matrix |
| CN113415798A (en) * | 2021-05-12 | 2021-09-21 | 江西农业大学 | Preparation method of phosphorus-doped microporous, mesoporous and macroporous coexisting grade pore structure nano carbon spheres |
-
2009
- 2009-12-22 CN CN2009102596579A patent/CN101875489A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698754A (en) * | 2012-05-28 | 2012-10-03 | 北京化工大学 | Nanometer iron oxide/carbon sphere compound catalyst and preparation method and application thereof |
| CN102698754B (en) * | 2012-05-28 | 2014-12-03 | 北京化工大学 | Nanometer iron oxide/carbon sphere compound catalyst and preparation method and application thereof |
| CN107042089A (en) * | 2017-03-28 | 2017-08-15 | 大连理工大学 | A kind of synthetic method of function carbon material and its application in heavy metal-polluted water process |
| CN107285295A (en) * | 2017-05-24 | 2017-10-24 | 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 | A kind of preparation method with level hole high graphitization degree Nano carbon balls |
| CN107746056A (en) * | 2017-11-06 | 2018-03-02 | 江苏森森炭业科技有限公司 | A kind of production method of spherical activated charcoal |
| CN109319760A (en) * | 2018-11-12 | 2019-02-12 | 青岛科技大学 | A kind of carbon micron-spheres and preparation method thereof |
| CN111217352A (en) * | 2018-11-26 | 2020-06-02 | 中国科学院大连化学物理研究所 | Preparation method of cyclodextrin derived micron carbon sphere matrix |
| CN110408190A (en) * | 2019-07-30 | 2019-11-05 | 湖北大学 | Preparation method, product and the purposes of ultraviolet resistance radiation carbon ball modified polyurethane |
| CN113415798A (en) * | 2021-05-12 | 2021-09-21 | 江西农业大学 | Preparation method of phosphorus-doped microporous, mesoporous and macroporous coexisting grade pore structure nano carbon spheres |
| CN113415798B (en) * | 2021-05-12 | 2023-02-24 | 江西农业大学 | Preparation method of phosphorus-doped microporous, mesoporous and macroporous coexisting grade pore structure carbon nanospheres |
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Open date: 20101103 |