CN102219212A - Manufacture method for molded part of foamed active electrical carbon material - Google Patents
Manufacture method for molded part of foamed active electrical carbon material Download PDFInfo
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- CN102219212A CN102219212A CN2011100569377A CN201110056937A CN102219212A CN 102219212 A CN102219212 A CN 102219212A CN 2011100569377 A CN2011100569377 A CN 2011100569377A CN 201110056937 A CN201110056937 A CN 201110056937A CN 102219212 A CN102219212 A CN 102219212A
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Abstract
The invention relates to a manufacture method for a molded part of a foamed active electrical carbon material, which comprises the following components of: uniformly mixing a high-carbon material, a plasticizer, a modifier and a foaming agent according to a certain ratio, adding to a mold, solidifying at the temperature of 300-600 DEG C and the pressure of 10-30 MPa for 5-30 minutes to obtain a block-shaped foamed carbon material, and then cutting with a slicing machine to obtain a molded part with a specific shape; and then placing the molded part in a carbonizing and activating furnace for treatment, firstly heating to 150-350 DEG C at a rate of 1-20 DEG C/min in an air atmosphere to pre-oxidize for 10-120 minutes, then heating to 500-800 DEG C under the protection of an inert gas to carry out carbonizing treatment for 100-300 minutes, heating to 800-1100 DEG C, introducing an activating agent to carry out activating treatment for 100-400 minutes, and finally cooling to room temperature along with the furnace to obtain the molded part of the foamed active electrical carbon material. The manufacture method provided by the invention has a simple process and low cost, and is suitable for large-scale industrial production.
Description
Technical field
The present invention relates to the preparation field of new carbon, a kind of specifically preparation method of foaming activity electrical carbon material profiled member.
Background technology
Gac has flourishing pore texture and huge specific surface area, has just obtained application at aspects such as medicine, food since ancient times.Subsequently, it has also obtained widespread use as fine sorbent material and support of the catalyst in fields such as industry, national defence, agricultural, medical and health, environmental protection and the energy.But because the specific surface area and the absorption property of conventional gac are low, can't satisfy the demand in fields such as the high-efficiency energy-storage medium of growing environmental protection, the energy, Sweet natural gas and hydrogen and high-tech, thereby be badly in need of developing the novel absorption material with high-quality absorption property that has high-specific surface area, comes in every shape, to satisfy the special requirement of national economy.
Foamy carbon has the intensity height as a kind of carbonaceous functional materials of three-dimensional order, and heat conduction is good, and electric rate heat is high, and thermal expansivity is low to wait excellent properties, and becomes type materials such as conduction, heat transfer, mass transfer, suction ripple.Present domestic foaming method mainly contains high pressure nitriding and two kinds of methods of free foaming, because nitrogen is that non-polar molecule and pitch intermiscibility are poor, cause the foamy carbon aperture inhomogeneous, and free foaming is to utilize the cracked gas of rich carbon matrix precursor to make gas foaming, because good, the aperture homogeneous of its intermiscibility, perforate obtain easily using widely.
Summary of the invention
The objective of the invention is defective, provide that a kind of specific surface area is big, comprehensive cost is low, yield rate is high, the preparation method of the foaming activity electrical carbon material profiled member of suitable industrial mass production at prior art.
The objective of the invention is to solve by the following technical programs:
A kind of preparation method of foaming activity electrical carbon material profiled member, described preparation method is undertaken by following step:
(1) with high-carbon material, toughner, properties-correcting agent and whipping agent be by weight: high-carbon material: toughner: properties-correcting agent: the composition of whipping agent=100:5-20:2-8:5-15 mixes, the mixture that obtains stirring;
(2) mixture is put into mould, be heated to 300-600 ℃, under the High Temperature High Pressure of 10-30MPa, solidify 5-30min, obtain blocky foaming carbon material;
(3) blocky foaming carbon material is put into slicing machine, cut out the foaming carbon material profiled member of given configuration;
(4) the carbon material profiled member that will foam places the carbonization-activation stove; temperature rise rate according to 1-20 ℃/min in air atmosphere is warmed up to 150-350 ℃; preoxidation 10-120min; feed rare gas element then and under protection of inert gas; be warmed up to 500-800 ℃; carry out carbonization 100-300min; after finishing, carbonizing treatment is warmed up to 800-1100 ℃ and feed activator and carry out activation treatment; behind the activation treatment 100-400min; furnace cooling promptly gets the profiled member of foaming activity electrical carbon material to room temperature under inert atmosphere.
High-carbon material, toughner, properties-correcting agent and whipping agent in the described step (1) are by weight: high-carbon material: toughner: properties-correcting agent: whipping agent=100:5-15:2-6:5-12.
High-carbon material in the described step (1) is meant resol, pitch, styrene-butadiene rubber(SBR), propylene cyanogen or ABS resin.
Stating raw material in the step (1) finishes to be input to after mixing in high speed agitator and carries out further uniform mixing, the mixture that obtains stirring in the static mixer.
Temperature in the described step (2) is heated to 300-500 ℃, and pressure is 15-30MPa.
Preoxidation temperature rise rate in the described step (4) is 5-15 ℃/min.
Preoxidation temperature in the described step (4) is 200-350 ℃.
Carbonization temperature in the described step (4) is 500-700 ℃.
Activation temperature in the described step (4) is 900-1100 ℃.
Activator in the described step (4) is potassium hydroxide, sodium hydroxide or sodium bicarbonate.
The present invention has following advantage compared to existing technology:
Preparation technology of the present invention is simple, processing ease, good product performance, and yield rate height, comprehensive cost are low, entire mechanization operation, control operation automatically, suitable large-scale industrial production.
The product that the present invention prepares has bigger specific surface area, good adsorption activity and physical strength.
The preparation method of the present invention ratio that consumes energy is low, and the whole recycles of waste gas wastewater and waste materials are pollution-free.
Embodiment
The present invention is further illustrated with specific embodiment below.
Embodiment 1
Join powder, 5 gram toughner, 6 gram properties-correcting agent and the 10 gram whipping agents of 100 gram resol in the high speed agitator together, after high speed agitator fully mixes, be input to and carry out further uniform mixing, the mixture that obtains mixing in the static mixer; This mixture is put in the mould, and the pressure in the mould is increased to 25MPa, carry out High Temperature High Pressure after temperature is elevated to 350 ℃ and solidify, obtain blocky foaming carbon material behind the curing 20min; Then blocky foaming carbon material is put into slicing machine, cut out the foaming carbon material profiled member of given configuration according to the profile of prior setting; Next again the profiled member of foaming carbon material is put into the carbonization-activation stove and carry out the carbonization-activation processing; the profiled member of carbon material of will foaming earlier places air atmosphere to be warmed up to 200 ℃ according to the temperature rise rate of 5 ℃/min to carry out preoxidation; behind the preoxidation 100min; feed rare gas element and under protection of inert gas; be warmed up to 550 ℃; carry out carbonization 200min; after finishing, carbonizing treatment is warmed up to 950 ℃ and feed potassium hydroxide and carry out activation treatment; behind the activation treatment 120min; furnace cooling promptly gets the profiled member of foaming activity electrical carbon material to room temperature under inert atmosphere.The profiled member of this foaming activity electrical carbon material has bigger specific surface area, well absorption, inhales ripple, conductivity and physical strength.
Embodiment 2
Join powder, 12 gram toughner, 5 gram properties-correcting agent and the 8 gram whipping agents of 100 gram styrene-butadiene rubber(SBR) in the high speed agitator together, after high speed agitator fully mixes, be input to and carry out further uniform mixing, the mixture that obtains mixing in the static mixer; This mixture is put in the mould, and the pressure in the mould is increased to 25MPa, carry out High Temperature High Pressure after temperature is elevated to 400 ℃ and solidify, obtain blocky foaming carbon material behind the curing 15min; Then blocky foaming carbon material is put into slicing machine, cut out the foaming carbon material profiled member of given configuration according to the profile of prior setting; Next again the profiled member of foaming carbon material is put into the carbonization-activation stove and carry out the carbonization-activation processing; the profiled member of carbon material of will foaming earlier places air atmosphere to be warmed up to 350 ℃ according to the temperature rise rate of 12 ℃/min to carry out preoxidation; behind the preoxidation 80min; feed rare gas element and under protection of inert gas; be warmed up to 700 ℃; carry out carbonization 250min; after finishing, carbonizing treatment is warmed up to 1000 ℃ and feed sodium hydroxide and carry out activation treatment; behind the activation treatment 300min; furnace cooling promptly gets the profiled member of foaming activity electrical carbon material to room temperature under inert atmosphere.The profiled member of this foaming activity electrical carbon material has bigger specific surface area, well absorption, inhales ripple, conductivity and physical strength.
Embodiment 3
Powder, 15 gram toughner, the 4 gram properties-correcting agent and 12 of 100 grams through synthetic high softening point bitumen are restrained whipping agents and join in the high speed agitator together, after high speed agitator fully mixes, be input to and carry out further uniform mixing, the mixture that obtains mixing in the static mixer; This mixture is put in the mould, and the pressure in the mould is increased to 20MPa, carry out High Temperature High Pressure after temperature is elevated to 500 ℃ and solidify, obtain blocky foaming carbon material behind the curing 25min; Then blocky foaming carbon material is put into slicing machine, cut out the foaming carbon material profiled member of given configuration according to the profile of prior setting; Next again the profiled member of foaming carbon material is put into the carbonization-activation stove and carry out the carbonization-activation processing; the profiled member of carbon material of will foaming earlier places air atmosphere to be warmed up to 230 ℃ according to the temperature rise rate of 15 ℃/min to carry out preoxidation; behind the preoxidation 50min; feed rare gas element and under protection of inert gas; be warmed up to 600 ℃; carry out carbonization 140min; after finishing, carbonizing treatment is warmed up to 1100 ℃ and feed sodium bicarbonate and carry out activation treatment; behind the activation treatment 200min; furnace cooling promptly gets the profiled member of foaming activity electrical carbon material to room temperature under inert atmosphere.The profiled member of this foaming activity electrical carbon material has bigger specific surface area, well absorption, inhales ripple, conductivity and physical strength.
Embodiment 4
Join powder, 9 gram toughner, 4 gram properties-correcting agent and the 10 gram whipping agents of 100 gram ABS resin in the high speed agitator together, after high speed agitator fully mixes, be input to and carry out further uniform mixing, the mixture that obtains mixing in the static mixer; This mixture is put in the mould, and the pressure in the mould is increased to 30MPa, carry out High Temperature High Pressure after temperature is elevated to 450 ℃ and solidify, obtain blocky foaming carbon material behind the curing 25min; Then blocky foaming carbon material is put into slicing machine, cut out the foaming carbon material profiled member of given configuration according to the profile of prior setting; Next again the profiled member of foaming carbon material is put into the carbonization-activation stove and carry out the carbonization-activation processing; the profiled member of carbon material of will foaming earlier places air atmosphere to be warmed up to 500 ℃ according to the temperature rise rate of 15 ℃/min to carry out preoxidation; behind the preoxidation 100min; feed rare gas element and under protection of inert gas; be warmed up to 650 ℃; carry out carbonization 300min; after finishing, carbonizing treatment is warmed up to 1100 ℃ and feed sodium hydroxide and carry out activation treatment; behind the activation treatment 350min; furnace cooling promptly gets the profiled member of foaming activity electrical carbon material to room temperature under inert atmosphere.The profiled member of this foaming activity electrical carbon material has bigger specific surface area, well absorption, inhales ripple, conductivity and physical strength.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (10)
1. the preparation method of a foaming activity electrical carbon material profiled member is characterized in that described preparation method is undertaken by following step:
(1) with high-carbon material, toughner, properties-correcting agent and whipping agent be by weight: high-carbon material: toughner: properties-correcting agent: the composition of whipping agent=100:5-20:2-8:5-15 mixes, the mixture that obtains stirring;
(2) mixture is put into mould, be heated to 300-600 ℃, under the High Temperature High Pressure of 10-30MPa, solidify 5-30min, obtain blocky foaming carbon material;
(3) blocky foaming carbon material is put into slicing machine, cut out the foaming carbon material profiled member of given configuration;
(4) the carbon material profiled member that will foam places the carbonization-activation stove; temperature rise rate according to 1-20 ℃/min in air atmosphere is warmed up to 150-350 ℃; preoxidation 10-120min; feed rare gas element then and under protection of inert gas; be warmed up to 500-800 ℃; carry out carbonization 100-300min; after finishing, carbonizing treatment is warmed up to 800-1100 ℃ and feed activator and carry out activation treatment; behind the activation treatment 100-400min; furnace cooling promptly gets the profiled member of foaming activity electrical carbon material to room temperature under inert atmosphere.
2. the preparation method of a kind of foaming activity electrical carbon material profiled member according to claim 1 is characterized in that high-carbon material, toughner, properties-correcting agent and the whipping agent in the described step (1) is by weight: high-carbon material: toughner: properties-correcting agent: whipping agent=100:5-15:2-6:5-12.
3. the preparation method of a kind of foaming activity electrical carbon material profiled member according to claim 1 and 2 is characterized in that the high-carbon material in the described step (1) is meant resol, pitch, styrene-butadiene rubber(SBR), propylene cyanogen or ABS resin.
4. the preparation method of a kind of foaming activity electrical carbon material profiled member according to claim 1, it is characterized in that raw material in the described step (1) is finished to be input to after mixing in high speed agitator carries out further uniform mixing, the mixture that obtains stirring in the static mixer.
5. the preparation method of a kind of foaming activity electrical carbon material profiled member according to claim 1 is characterized in that the temperature in the described step (2) is heated to 300-500 ℃, and pressure is 15-30MPa.
6. the preparation method of a kind of foaming activity electrical carbon material profiled member according to claim 1 is characterized in that the preoxidation temperature rise rate in the described step (4) is 5-15 ℃/min.
7. the preparation method of a kind of foaming activity electrical carbon material profiled member according to claim 1 is characterized in that the preoxidation temperature in the described step (4) is 200-350 ℃.
8. the preparation method of a kind of foaming activity electrical carbon material profiled member according to claim 1 is characterized in that the carbonization temperature in the described step (4) is 500-700 ℃.
9. the preparation method of a kind of foaming activity electrical carbon material profiled member according to claim 1 is characterized in that the activation temperature in the described step (4) is 900-1100 ℃.
10. the preparation method of a kind of foaming activity electrical carbon material profiled member according to claim 1 is characterized in that the activator in the described step (4) is potassium hydroxide, sodium hydroxide or sodium bicarbonate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100569377A CN102219212B (en) | 2011-03-10 | 2011-03-10 | Manufacture method for molded part of foamed active electrical carbon material |
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| CN2011100569377A CN102219212B (en) | 2011-03-10 | 2011-03-10 | Manufacture method for molded part of foamed active electrical carbon material |
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| CN102219212A true CN102219212A (en) | 2011-10-19 |
| CN102219212B CN102219212B (en) | 2013-03-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021486A (en) * | 2017-04-28 | 2017-08-08 | 无锡德碳科技股份有限公司 | A kind of preparation method of activated carbon |
| CN108622893A (en) * | 2018-03-29 | 2018-10-09 | 深圳大学 | A kind of preparation method and porous carbon materials of porous carbon materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070350A1 (en) * | 2001-10-12 | 2003-04-17 | Rogers Darren Kenneth | Activated, coal-based carbon foam |
| CN1587033A (en) * | 2004-09-10 | 2005-03-02 | 东华大学 | Process for preparing asphalt foam material |
| CN101041432A (en) * | 2007-03-20 | 2007-09-26 | 中国科学院山西煤炭化学研究所 | Preparation method of lightweight heat-proof phenolic resin radical foam charcoal |
| CN101439852A (en) * | 2008-12-12 | 2009-05-27 | 中国科学院山西煤炭化学研究所 | Method for preparing open cell type phenolic resin based foam carbon by one-step process |
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2011
- 2011-03-10 CN CN2011100569377A patent/CN102219212B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070350A1 (en) * | 2001-10-12 | 2003-04-17 | Rogers Darren Kenneth | Activated, coal-based carbon foam |
| CN1587033A (en) * | 2004-09-10 | 2005-03-02 | 东华大学 | Process for preparing asphalt foam material |
| CN101041432A (en) * | 2007-03-20 | 2007-09-26 | 中国科学院山西煤炭化学研究所 | Preparation method of lightweight heat-proof phenolic resin radical foam charcoal |
| CN101439852A (en) * | 2008-12-12 | 2009-05-27 | 中国科学院山西煤炭化学研究所 | Method for preparing open cell type phenolic resin based foam carbon by one-step process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021486A (en) * | 2017-04-28 | 2017-08-08 | 无锡德碳科技股份有限公司 | A kind of preparation method of activated carbon |
| CN108622893A (en) * | 2018-03-29 | 2018-10-09 | 深圳大学 | A kind of preparation method and porous carbon materials of porous carbon materials |
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| CN102219212B (en) | 2013-03-20 |
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Owner name: BEIJING ZHONGSHIHONG INSTALLATION ENGINEERING CO., Free format text: FORMER OWNER: JIANGSU GUOZHENG NEW MATERIAL TECHNOLOGY CO., LTD. Effective date: 20141120 |
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Effective date of registration: 20141120 Address after: 100020, Beijing, Chaoyang District, 16 Wai Street, China Life Building, 5 floor, South District Patentee after: BEIJING ZHONGSHIHONG INSTALLATION ENGINEERING CO., LTD. Address before: Xinjiezhen Zhenxin West Road Yixing Jiangsu province 214204 city of Wuxi City, No. 6-8 Patentee before: Jiangsu Guozheng New Material Technology Co., Ltd. |
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