CN1480395A - Method for preparing nano diamond and n diamond powder by using catalysis method of carbon black under strong magnetic field - Google Patents
Method for preparing nano diamond and n diamond powder by using catalysis method of carbon black under strong magnetic field Download PDFInfo
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- CN1480395A CN1480395A CNA031338607A CN03133860A CN1480395A CN 1480395 A CN1480395 A CN 1480395A CN A031338607 A CNA031338607 A CN A031338607A CN 03133860 A CN03133860 A CN 03133860A CN 1480395 A CN1480395 A CN 1480395A
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Abstract
A process for preparing nano diamond and n diamond powder by strong-magnetic catalyzing method includes such steps as proportionally adding carbon black and catalyst nano Fe, nano Ni or nano Cu) into stainless steel container, heating to 200-400 deg.C, holding the temp for 30-100 min, sealing, heating to 900-1200 deg.C, holding the temp for 10-20 min under strong magnetic field, cooling to obtain black powder, washing with diluted acid and concentrated acid, flushing with distilled water, pulverizing and ultrasonic separation. Its advantage is high transform rate.
Description
Technical field
The invention belongs to nano-solid materials processing and preparing technical field, the preparation method of particularly a kind of Nano diamond and n bortz powder.
Background technology
At present, in the nano-solid material processing field, the preparation method of Nano diamond powder mainly is the explosive detonation method, and the TNT/RDX pyrotechnic composition are being filled with inert media (for example water or CO
2) the confined explosion container in explode, the detonation product collected is removed wherein impurity and non-diamond carbon through purifying, last products therefrom is exactly a nano-diamond powder.Prepare Nano diamond powder equipment more complicated by this way, the diamond transformation efficiency is lower, and operates cumbersomely, be difficult for to realize producing in enormous quantities continuously.The n diamond is the novel substance of just finding in 1991, and the main way of its preparation has: High Temperature High Pressure graphite changes method, plasma vapor phase deposition and low-temperature annealing method.03111585.3 proposed to prepare with high-intensity magnetic field carbon black iron catalysis method the method for Nano diamond and diamond chip, transformation efficiency increases substantially.
Summary of the invention
The purpose of this invention is to provide a kind of method for preparing Nano diamond and n bortz powder with the multiple catalyst method of high-intensity magnetic field carbon black, prepare Nano diamond and n bortz powder with this method, the adamantine transformation efficiency height of diamond and n, simple to operate and easy realization continuously, produce in enormous quantities.
Realize that the technical scheme that a kind of high-intensity magnetic field carbon black catalysis method of the present invention prepares Nano diamond and n bortz powder method is:
Carbon black and catalyzer (nanometer iron powder or nano-nickel powder or copper nanoparticle) are mixed, make that the mass ratio of C and catalyst elements is 200 in the mixture: 1-20: 1.Mixture is placed the stainless steel vessel of an opening, heat 30-100min down at 200-400 ℃, then with stainless steel vessel sealing, place a process furnace that the permanent steady high-intensity magnetic field of direct current of 0-15T arranged, at 900-1200 ℃ down behind the insulation 10-200min, close magnetic field and heating power supply, make its furnace cooling to room temperature, take out the black powder in the sealed vessel, clean with diluted acid, remove catalyst elements, use distilled water flushing again; After oven dry under 110 ℃, the powder that obtains black is removed non-diamond carbon wherein through purifying; With the powder ultrasonic separation, can obtain Nano diamond and n bortz powder respectively at last.
Effect of the present invention and benefit are that making method is simple, device is easy to use, can save the operating time, can be in enormous quantities, continuous production Nano diamond and n bortz powder.
Description of drawings
Accompanying drawing 1 is to produce Nano diamond and n bortz powder apparatus structure synoptic diagram with high-intensity magnetic field carbon black catalysis method.
Among the figure: (1) superconducting intense magnetic field device; (2) process furnace; (3) stainless steel vessel; (4) mixture of raw material.
Fig. 2 is that high-intensity magnetic field carbon black catalysis method is produced Nano diamond and n bortz powder FB(flow block).
Embodiment
Below in conjunction with accompanying drawing, describe the most preferred embodiment of the inventive method and device in detail.
Embodiment 1
20g carbon black and 0.1g nanometer nickel are mixed, mixture is placed the stainless steel vessel 3 of opening and is placed to process furnace 2, behind insulation 100min under 300 ℃, with stainless steel vessel 4 sealings, open superconducting intense magnetic field device 1 power supply and make its magneticstrength reach 10 teslas, simultaneously with process furnace at 1000 ℃ down behind the insulation 100min, close the power supply of superconducting intense magnetic field device 1 and process furnace 2, make stainless steel vessel 3 and mixture of raw material 4 be cooled to room temperature with process furnace 2, take out the black powder in the stainless steel vessel, clean with dilute sulphuric acid and perchloric acid, remove Ni element and non-diamond carbon, use distilled water flushing again; 110 ℃ of oven dry down, powdered sample has obtained 4g nano-diamond powder and 3g nanometer n bortz powder at last through ultrasonic separation.
Embodiment 2
20g carbon black and 0.5g copper nanoparticle are mixed, mixture is placed the stainless steel vessel 3 of opening and is placed to process furnace 2, behind insulation 100min under 300 ℃, with stainless steel vessel 4 sealings, with process furnace at 1050 ℃ down behind the insulation 30min, close the power supply of process furnace 2, make stainless steel vessel 3 and mixture of raw material 4 be cooled to room temperature with process furnace 2, take out the black powder in the stainless steel vessel, clean with dilute sulphuric acid and perchloric acid, remove Cu element and non-diamond carbon, use distilled water flushing again; 110 ℃ of oven dry down, the final powder sample has obtained 2g nano-diamond powder and 2g nanometer n bortz powder respectively through ultrasonic separation again.
Claims (1)
1. method for preparing Nano diamond and n bortz powder with high-intensity magnetic field carbon black catalysis method, the method for preparing Nano diamond and n bortz powder with high-intensity magnetic field carbon black catalysis method is that to utilize carbon black be carbon source, nanometer iron, nanometer nickel, nanometer steel are that catalyzer comes synthesizing nano diamond powder and n diamond, and its feature is as follows:
1) carbon black and nanocatalyst powder (nanometer iron, nanometer nickel, nanometer copper) are mixed, make that the mass ratio of C and catalyst elements is 200 in the mixture: 1-20: 1;
2) mixture is placed the stainless steel vessel of opening and be placed to process furnace, at 200-400 ℃ of insulation 30-100min down;
3) with the stainless steel vessel sealing, under the action of a magnetic field of 0-15 tesla, process furnace behind insulation 10-200min under 900-1200 ℃, is closed the power supply of process furnace, make stainless steel vessel and mixture of raw material be cooled to room temperature with process furnace;
4) black powder in the taking-up stainless steel vessel after successively cleaning with diluted acid and concentrated acid, is used distilled water flushing, again 110 ℃ of oven dry down; With the powder ultrasonic separation, can obtain Nano diamond and n bortz powder respectively at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03133860 CN1216799C (en) | 2003-07-02 | 2003-07-02 | Method for preparing nano diamond and n diamond powder by using catalysis method of carbon black under strong magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03133860 CN1216799C (en) | 2003-07-02 | 2003-07-02 | Method for preparing nano diamond and n diamond powder by using catalysis method of carbon black under strong magnetic field |
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| Publication Number | Publication Date |
|---|---|
| CN1480395A true CN1480395A (en) | 2004-03-10 |
| CN1216799C CN1216799C (en) | 2005-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03133860 Expired - Fee Related CN1216799C (en) | 2003-07-02 | 2003-07-02 | Method for preparing nano diamond and n diamond powder by using catalysis method of carbon black under strong magnetic field |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210999A (en) * | 2011-06-10 | 2011-10-12 | 东北大学 | Method for synthesizing nano diamond by irradiating graphite suspension with high current pulsed electron beam |
| CN103285772A (en) * | 2013-05-17 | 2013-09-11 | 燕山大学 | Method for preparing diamond without non-contact agent |
| CN111686637A (en) * | 2019-03-14 | 2020-09-22 | 三门峡天钻晶体材料有限公司 | Method for synthesizing superhard material |
| WO2022020990A1 (en) * | 2020-07-27 | 2022-02-03 | 蔡博 | Diamond, and diamond synthesis method and device |
-
2003
- 2003-07-02 CN CN 03133860 patent/CN1216799C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210999A (en) * | 2011-06-10 | 2011-10-12 | 东北大学 | Method for synthesizing nano diamond by irradiating graphite suspension with high current pulsed electron beam |
| CN102210999B (en) * | 2011-06-10 | 2013-12-25 | 东北大学 | Method for synthesizing nano diamond by irradiating graphite suspension with high current pulsed electron beam |
| CN103285772A (en) * | 2013-05-17 | 2013-09-11 | 燕山大学 | Method for preparing diamond without non-contact agent |
| CN111686637A (en) * | 2019-03-14 | 2020-09-22 | 三门峡天钻晶体材料有限公司 | Method for synthesizing superhard material |
| WO2022020990A1 (en) * | 2020-07-27 | 2022-02-03 | 蔡博 | Diamond, and diamond synthesis method and device |
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| Publication number | Publication date |
|---|---|
| CN1216799C (en) | 2005-08-31 |
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