CN1733823A - High temperature special synthesis method of novel carbon polyfluoride polymer - Google Patents
High temperature special synthesis method of novel carbon polyfluoride polymer Download PDFInfo
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- CN1733823A CN1733823A CN 200410053684 CN200410053684A CN1733823A CN 1733823 A CN1733823 A CN 1733823A CN 200410053684 CN200410053684 CN 200410053684 CN 200410053684 A CN200410053684 A CN 200410053684A CN 1733823 A CN1733823 A CN 1733823A
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- fluorine gas
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Abstract
The invention expounds a high-temperature special synthesis method for polyfluorocarbon. Wherein, adding fluorine or the mixture of fluorine, nitrogen and inert gas, and kinds of carbon powder (carbite, coke, active carbon, charcoal and carbon fiber) into designed special reactor at given temperature. The product has well lubrication and fit to prepare new high-energy lithium cell.
Description
Technical field
The polyfluoro carbon polymer of manufacturing of the present invention belongs to a kind of high-tech product of chemical field
Background technology
The polyfluoro carbon polymer is a kind of Chemicals that are widely used and are worth, and can be used as the high-quality solid lubricant, battery material etc.We have synthesized this compounds of different stage at this by the high-temperature special method.
Summary of the invention
Our Shanghai chemical industry company limited of good fortune nation, in patent of making the high-temperature special synthetic method of multiple polyfluoro carbon polymer of this application, new polyfluoro carbon polymer that this patent is protected and the special concrete following description of synthetic operation method thereof:
This kind invention institute synthetic compound is a kind of novel polyfluoro carbon polymer, and the composition of the polyfluoro carbon polymer that this kind is novel can be with reaching as shown in the formula sublist:
(C
xF
y)
N
In this formula,
x＝0＜x＜1；
0.5＜y＜1.2；
The scope of n is: 100＜n＜10000, n is an integer.
The raw material of this reaction is carbon containing simple substance such as coke, graphite, gac, carbon fiber; Another kind of raw material is the fluorine gas behind fluorine gas or the process inert gas dilution, the two is reacted at a certain temperature obtain in the special reaction vessel of copper or nickel or Monel material.
Preparing the described polyfluoro carbon polymer of this patent carries out according to following steps: one, add carbon containing simple substance, vacuumize; Two, system is heated to specific temperature of reaction.Three, feed fluorine gas, fluorine gas and graphite generate the polymkeric substance of many fluorocarbonss in reaction vessel; Four, the tail gas that is generated in the reaction process absorbs fluorine gas by two cuvettes that alkali lye is housed; Five, open reactor, the polyfluoro carbon polymer in the reactor is taken out, be divided into different grades according to the color difference.
Embodiment
Below some examples set forth the preparation process of said these fluorocarbons polymkeric substance among the present invention and these compounds.
Example one
Coke powder is joined in the reaction vessel, and oil pump vacuumizes under postcondition half an hour, is warmed up to about 200 degree temperature, and inflated with nitrogen is driven air out of, three times repeatedly.Temperature of reaction kettle is elevated to 500 to 600 degree, slowly feed fluorine gas, the flow velocity that adds fluorine gas by the control of fluorine gas flow meter is 3 a milliliters/per second, continue reaction 12 hours, stop heating, allow the temperature of reactor naturally cool to room temperature, in the reactor behind the cool to room temperature, feed nitrogen, drive fluorine gas remaining in the reactor away, reaction finishes.To receive two through the pneumatic outlet behind the reactor in this reaction process is equipped with in potassium hydroxide or other alkali lye absorption towers to absorb complete fluorine gas.Open reactor, the pressed powder in the reactor is taken out, promptly obtain product.
Example two
Coke powder is joined in the reaction vessel, and oil pump vacuumizes under postcondition half an hour, is warmed up to about 200 degree temperature, and inflated with nitrogen is driven air out of, three times repeatedly.Temperature of reaction kettle is elevated to 600 to 800 degree, slowly feed fluorine gas, the stream that adds fluorine gas by the control of fluorine gas flow meter is 10 milliliters/per second, continue reaction 12 hours, stop heating, allow the temperature of reactor naturally cool to room temperature, in the reactor behind the cool to room temperature, feed nitrogen, drive fluorine gas remaining in the reactor away, reaction finishes.To receive two through the pneumatic outlet behind the reactor in this reaction process is equipped with in potassium hydroxide or other alkali lye absorption towers to absorb complete fluorine gas.Open reactor, the pressed powder in the reactor is taken out, promptly obtain product.
Example three
Graphite Powder 99 is joined in the reaction vessel, and oil pump vacuumizes under postcondition half an hour, is warmed up to about 200 degree temperature, and inflated with nitrogen is driven air out of, three times repeatedly.Temperature of reaction kettle is elevated to 600 to 800 degree, slowly feed fluorine gas, the stream that adds fluorine gas by the control of fluorine gas flow meter is 10 milliliters/per second, continue reaction 12 hours, stop heating, allow the temperature of reactor naturally cool to room temperature, in the reactor behind the cool to room temperature, feed nitrogen, drive fluorine gas remaining in the reactor away, reaction finishes.To receive two through the pneumatic outlet behind the reactor in this reaction process is equipped with in potassium hydroxide or other alkali lye absorption towers to absorb complete fluorine gas.Open reactor, the pressed powder in the reactor is taken out, promptly obtain product.
Example four
Gac is joined in the reaction vessel, and oil pump vacuumizes under postcondition half an hour, is warmed up to about 200 degree temperature, and inflated with nitrogen is driven air out of, three times repeatedly.Temperature of reaction kettle is elevated to 500 to 600 degree, slowly feed fluorine gas and nitrogen ratios and be 1: 1 mixed gas, the stream that adds fluorine gas by the control of fluorine gas flow meter is 3-30 milliliter/per second, continue reaction 5 hours, stop heating, allow the temperature of reactor naturally cool to room temperature, in the reactor behind the cool to room temperature, feed nitrogen, drive fluorine gas remaining in the reactor away, reaction finishes.To receive two through the pneumatic outlet behind the reactor in this reaction process is equipped with in potassium hydroxide or other alkali lye absorption towers to absorb complete fluorine gas.Open reactor, the pressed powder in the reactor is taken out, promptly obtain product.
Example five
Graphite is joined in the reaction vessel, and oil pump vacuumizes under postcondition half an hour, is warmed up to about 200 degree temperature, and inflated with nitrogen is driven air out of, three times repeatedly.Temperature of reaction kettle is elevated to 600 to 800 degree, slowly feed fluorine gas and nitrogen ratios and be 1: 1 mixed gas, the stream that adds fluorine gas by the control of fluorine gas flow meter is 3-30 milliliter/per second, continue reaction 5 hours, stop heating, allow the temperature of reactor naturally cool to room temperature, in the reactor behind the cool to room temperature, feed nitrogen, drive fluorine gas remaining in the reactor away, reaction finishes.To receive two through the pneumatic outlet behind the reactor in this reaction process is equipped with in potassium hydroxide or other alkali lye absorption towers to absorb complete fluorine gas.Open reactor, the pressed powder in the reactor is taken out, promptly obtain product.
Example six
Carbon fiber is joined in the reaction vessel, and oil pump vacuumizes under postcondition half an hour, is warmed up to about 200 degree temperature, and inflated with nitrogen is driven air out of, three times repeatedly.Temperature of reaction kettle is elevated to 500 to 700 degree, slowly feed fluorine gas and nitrogen ratios and be 1: 10 mixed gas, the stream that adds fluorine gas by the control of fluorine gas flow meter is 3-30 milliliter/per second, continue reaction 5 hours, stop heating, allow the temperature of reactor naturally cool to room temperature, in the reactor behind the cool to room temperature, feed nitrogen, drive fluorine gas remaining in the reactor away, reaction finishes.To receive two through the pneumatic outlet behind the reactor in this reaction process is equipped with in potassium hydroxide or other alkali lye absorption towers to absorb complete fluorine gas.Open reactor, the pressed powder in the reactor is taken out, promptly obtain product.
Claims (1)
- The invention describes a kind of synthetic method of polyfluoro carbon polymer.Carbon raw material can be graphite, coke, gac and carbon fiber etc.; Another raw material can be a fluorine gas, the mixed gas of fluorine gas and nitrogen or fluorine gas and argon gas; The two reacts in special container at a certain temperature and obtains the polyfluoro carbon polymer.This base polymer has better oilness than solid lubricants such as graphite and molybdenumdisulphide, chemical stability, high temperature resistant and low temperature ability.The various fluorocarbons polymkeric substance that 1 reaction generates, it forms general formula can use (C xF y) nExpression.0＜x＜1；0＜y＜1.2；100＜n＜10000。A kind of fluorocarbons polymkeric substance that reaction generates in 2 the 1st, it forms general formula is (C xF y) nX=1 wherein, 0.5＜y＜0.8, n=100-10000;A kind of fluorocarbons polymkeric substance that generates in 3 the 1st, it forms general formula is (C xF y) nX=1 wherein; 0.8＜y＜1.2; N=100-10000;A kind of fluorocarbons polymkeric substance that generates in 4 the 1st, it forms general formula is (C xF y) nX=1 wherein; 0.5＜y＜1.2; N=100-10000;A kind of fluorocarbons polymkeric substance that generates in 5 the 1st, it forms general formula is (C xF y) nX=1 wherein; 0.5＜y＜0.8; N=100-10000;A kind of fluorocarbons polymkeric substance that generates in 6 the 1st, it forms general formula is (C xF y) nX=1 wherein; 0.8＜y＜1.2; N=100-10000;A kind of fluorocarbons polymkeric substance that generates in 7 the 1st, it forms general formula is (C xF y) nX=1 wherein; 0.5＜y＜1.2; N=100-10000;The carbon raw material of 8 these compounds of preparation can be the simple substance of carbon elements such as coke, graphite, gac.Another raw material of 9 these compounds of preparation can be the mixed gas of fluorine gas, fluorine gas and nitrogen or the mixed gas of fluorine gas and argon gas.10 the 8th and the 9th described two kinds of raw materials react at the 500-800 degree.11 the 10th described is reflected at the special container internal reaction that copper, nickel, Monel or their mixing material are made.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053684 CN1733823A (en) | 2004-08-12 | 2004-08-12 | High temperature special synthesis method of novel carbon polyfluoride polymer |
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| CN 200410053684 CN1733823A (en) | 2004-08-12 | 2004-08-12 | High temperature special synthesis method of novel carbon polyfluoride polymer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927981A (en) * | 2010-08-17 | 2010-12-29 | 北京矿冶研究总院 | Preparation method of graphite fluoride |
| CN102730663A (en) * | 2012-06-13 | 2012-10-17 | 西北核技术研究所 | Carbon fluoride and application thereof |
| CN110330007A (en) * | 2019-06-19 | 2019-10-15 | 黄有桂 | A kind of preparation method of high-specific surface area fluorinated carbon material |
| CN111170302A (en) * | 2020-01-16 | 2020-05-19 | 厦门稀土材料研究所 | Preparation method and application of carbon fluoride material |
-
2004
- 2004-08-12 CN CN 200410053684 patent/CN1733823A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927981A (en) * | 2010-08-17 | 2010-12-29 | 北京矿冶研究总院 | Preparation method of graphite fluoride |
| CN101927981B (en) * | 2010-08-17 | 2012-04-04 | 北京矿冶研究总院 | Preparation method of graphite fluoride |
| CN102730663A (en) * | 2012-06-13 | 2012-10-17 | 西北核技术研究所 | Carbon fluoride and application thereof |
| CN102730663B (en) * | 2012-06-13 | 2014-11-26 | 西北核技术研究所 | Carbon fluoride and application thereof |
| CN110330007A (en) * | 2019-06-19 | 2019-10-15 | 黄有桂 | A kind of preparation method of high-specific surface area fluorinated carbon material |
| CN111170302A (en) * | 2020-01-16 | 2020-05-19 | 厦门稀土材料研究所 | Preparation method and application of carbon fluoride material |
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