RU2013150373A - METHOD FOR PRODUCING COLLOIDAL DISPERSIONS OF GRAPHENE - Google Patents
METHOD FOR PRODUCING COLLOIDAL DISPERSIONS OF GRAPHENE Download PDFInfo
- Publication number
- RU2013150373A RU2013150373A RU2013150373/05A RU2013150373A RU2013150373A RU 2013150373 A RU2013150373 A RU 2013150373A RU 2013150373/05 A RU2013150373/05 A RU 2013150373/05A RU 2013150373 A RU2013150373 A RU 2013150373A RU 2013150373 A RU2013150373 A RU 2013150373A
- Authority
- RU
- Russia
- Prior art keywords
- graphite
- intercalated compounds
- iodine
- ultrasonic dispersion
- split
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
- C01B32/19—Preparation by exfoliation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
- B82B3/0009—Forming specific nanostructures
- B82B3/0038—Manufacturing processes for forming specific nanostructures not provided for in groups B82B3/0014 - B82B3/0033
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
1. Способ получения коллоидных дисперсий графена, включающий расщепление графита нагревом интеркалированных соединений и ультразвуковое диспергирование расщепленного графита в дисперсной среде, отличающийся тем, что для расщепления используют интеркалированные соединения графита с гептафторидом иода.2. Способ по п.1, отличающийся тем, что используют интеркалированные соединения с отношением го содержания графита к гептафторидуа иода массы массе от 1:0,77 до 1:5,02.3. Способ по п.1, отличающийся тем, что интеркалированные соединения графита нагревают до температуры 50÷400°C.4. Способ по п.1, отличающийся тем, что ультразвуковому диспергированию подвергают смесь расщепленного графита и дисперсной среды при отношении их массовых долей от 0,000001:1 до 0,01:1.5. Способ по п.1, отличающийся тем, что ультразвуковое диспергирование расщепленного графита в дисперсной среде осуществляют в присутствии полиаминокарбоновых кислот или их солей.6. Способ по п.5, отличающийся тем, что в качестве полиаминокарбоновой кислоты используют этилендиаминтетрауксусную кислоту или ее соль.7. Способ по любому из пп.1-3, отличающийся тем, что для расщепления используют интеркалированные соединения из графита природного или искусственного происхождения.1. A method of producing colloidal dispersions of graphene, including the splitting of graphite by heating intercalated compounds and ultrasonic dispersion of split graphite in a dispersed medium, characterized in that intercalated compounds of graphite with iodine heptafluoride are used for splitting. The method according to claim 1, characterized in that intercalated compounds are used with a ratio of th graphite to heptafluoride-iodine iodine mass of from 1: 0.77 to 1: 5.02.3. The method according to claim 1, characterized in that the intercalated compounds of graphite are heated to a temperature of 50 ÷ 400 ° C. The method according to claim 1, characterized in that the mixture of split graphite and dispersed medium is subjected to ultrasonic dispersion with a ratio of their mass fractions from 0.000001: 1 to 0.01: 1.5. The method according to claim 1, characterized in that the ultrasonic dispersion of the split graphite in a dispersed medium is carried out in the presence of polyaminocarboxylic acids or their salts. The method according to claim 5, characterized in that ethylenediaminetetraacetic acid or its salt is used as the polyaminocarboxylic acid. The method according to any one of claims 1 to 3, characterized in that intercalated compounds of graphite of natural or artificial origin are used for cleavage.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013150373/05A RU2603834C2 (en) | 2013-11-12 | 2013-11-12 | Method of producing colloidal dispersions of graphene |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013150373/05A RU2603834C2 (en) | 2013-11-12 | 2013-11-12 | Method of producing colloidal dispersions of graphene |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2013150373A true RU2013150373A (en) | 2015-05-20 |
RU2603834C2 RU2603834C2 (en) | 2016-11-27 |
Family
ID=53283783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2013150373/05A RU2603834C2 (en) | 2013-11-12 | 2013-11-12 | Method of producing colloidal dispersions of graphene |
Country Status (1)
Country | Link |
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RU (1) | RU2603834C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2743523C1 (en) * | 2019-12-12 | 2021-02-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") | Method for producing graphene-containing suspensions and device for carrying out said method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2404121C2 (en) * | 2007-07-31 | 2010-11-20 | Открытое акционерное общество "Сибирский химический комбинат" (ОАО "СХК") | Method of obtaining graphite-based theroexpandable compound |
RU2411960C2 (en) * | 2009-05-04 | 2011-02-20 | Некоммерческое партнерство по научной и инновационной деятельности "Томский атомный центр" | Wound bandage |
EP2256087A1 (en) * | 2009-05-26 | 2010-12-01 | Belenos Clean Power Holding AG | Stable dispersions of single and multiple graphene layers in solution |
RU2419586C1 (en) * | 2009-12-18 | 2011-05-27 | Владимир Ильич Мазин | Method of producing graphite-based thermally expanding compound |
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2013
- 2013-11-12 RU RU2013150373/05A patent/RU2603834C2/en not_active Application Discontinuation
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Publication number | Publication date |
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RU2603834C2 (en) | 2016-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20160801 |
|
FZ9A | Application not withdrawn (correction of the notice of withdrawal) |
Effective date: 20161003 |