CN103979542B - A kind of preparation method of SiCO micrometer ceramics cross bar - Google Patents
A kind of preparation method of SiCO micrometer ceramics cross bar Download PDFInfo
- Publication number
- CN103979542B CN103979542B CN201410230686.3A CN201410230686A CN103979542B CN 103979542 B CN103979542 B CN 103979542B CN 201410230686 A CN201410230686 A CN 201410230686A CN 103979542 B CN103979542 B CN 103979542B
- Authority
- CN
- China
- Prior art keywords
- cross bar
- preparation
- micrometer ceramics
- sico
- stirring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A preparation method for SiCO micrometer ceramics cross bar, relates to a kind of micrometer ceramics.0.8g template F127 is dissolved in 5ml xylene solution, after stirring, obtains mixed liquor A; The ceramic precursor Polyvinylsilazane of 0.8g is dissolved in 5ml Virahol, adds thermal cross-linking agent dicumyl peroxide, after stirring, obtain mixed liquid B; By mixed liquor A and mixed liquid B mixing, after stirring, mixed solution C; Mixed solution C is poured in polytetrafluoroethyldisk disk, is incubated in the baking oven of 50 DEG C, then 130 DEG C crosslinked after, become pale yellow transparent film, take out rear demoulding, then pyrolysis film in an inert atmosphere, obtain SiCO micrometer ceramics cross bar at film surface.The rib length of the SiCO micrometer ceramics cross bar of preparation is 1 ~ 4 μm, good stability.Important using value is had in fields such as matrix material and high-temperature device designs.Facility investment is few, processing ease, and technique is simple, reproducible.
Description
Technical field
The present invention relates to a kind of micrometer ceramics, especially relate to a kind of preparation method of SiCO micrometer ceramics cross bar.
Background technology
The preparation of micro-nano structure is difficult point and the focus in current application field.The self-assembling technique of segmented copolymer, as a kind of very potential ordered structure assemble method from bottom to top, has become one of the focus in nano fabrication technique field over nearly 20 years.Segmented copolymer is formed by connecting by chemical bond by segment mutual exclusive on thermodynamics, and this constructional feature causes segmented copolymer micron-scale phase separation can only occur, and meso-scale is formed colourful ordered phase form.These microcosmic ordered phase forms have good Modulatory character and relatively easy preparation method, segmented copolymer can be made to produce the microscopic pattern of various high-sequential by self-assembly by changing the composition of segmented copolymer, chain length, applying outfield or changing preparation method etc.
Segmented copolymer has been studied widely in organic polymer and electrochemical field etc. and has been paid attention to, and Chinese patent CN101914191A discloses a kind of preparation method of polyoxometallate-polymer hybridized segmented copolymer nanotube.The open one of Chinese patent CN101244818 is skeleton support body with polyurethane sponge, take nonionic surface active agent as structure directing agent, with polymer presoma for carbon source, with inorganic silicon source etc. for additive, through high temperature hot polymerization and carbonization, preparation has the mesoporous polymer, carbon material and the matrix material that have Order continuous mesopore orbit, high-specific surface area, macropore volume.Chinese patent CN101059472 discloses the method for assembling block copolymer for preparing gold nano array electrode in a kind of aqueous phase, by the poly-tetravinyl pyridine-polystyrene block copolymer of assembling in aqueous phase, the electrostatic interaction between cationic micelle and electronegative golden nanometer particle is utilized to prepare gold-nano array electrode.This making method is fast and convenient, does not introduce organic solvent, and electrode surface can upgrade to be reused, and reduces cost.Although the self-assembling technique of segmented copolymer is as the very potential ordered structure assemble method of one, but be applied in inorganic aspect or a newer field.It is simple that Chinese patent CN103073297A discloses a kind of preparation process, can prepare the method for SiCO nanometer ball efficiently.And the preparation of SiCO micrometer ceramics cross bar have not been reported.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of SiCO micrometer ceramics cross bar.
The present invention includes following steps:
1) by 0.8g template F127 (PEO
106-PPO
70-PEO
106) be dissolved in 5ml xylene solution, after stirring, obtain mixed liquor A;
2) the ceramic precursor Polyvinylsilazane of 0.8g is dissolved in 5ml Virahol, adds thermal cross-linking agent dicumyl peroxide, after stirring, obtain mixed liquid B;
3) by mixed liquor A and mixed liquid B mixing, after stirring, mixed solution C;
4) mixed solution C is poured in polytetrafluoroethyldisk disk, is incubated in the baking oven of 50 DEG C, then 130 DEG C crosslinked after, become pale yellow transparent film, take out rear demoulding, then pyrolysis film in an inert atmosphere, obtain SiCO micrometer ceramics cross bar at film surface.
In step 1) in, the time of described stirring can be 2 ~ 4h.
In step 2) in, the consumption of described thermal cross-linking agent can be 4% of Polyvinylsilazane quality by mass percentage; Described add thermal cross-linking agent dicumyl peroxide after, preferably seal lucifuge; Described stirring can adopt magnetic agitation 2 ~ 4h.
In step 3) in, preferably seal after described mixing; The time of described stirring can be 18 ~ 36h.
In step 4) in, the time of insulation can be 36 ~ 96h; The described crosslinked time can be 30 ~ 50min; The program of described pyrolysis can be: rise to 130 DEG C of insulation 2h with 1 DEG C/min, rises to 300 DEG C of insulation 1h with 0.5 DEG C/min, rises to 400 DEG C of insulation 4h, rise to 500 DEG C and be incubated 4h, finally naturally cool to room temperature with 0.5 DEG C/min with 0.5 DEG C/min.
The present invention is first by template F127 (EO
106-PO
70-EO
106), ceramic forerunner Polyvinylsilazane and thermal cross-linking agent dicumyl peroxide be dissolved in the mixing solutions of dimethylbenzene and Virahol, obtain the mixing solutions of homogeneous transparent, SiCO micrometer ceramics cross bar is obtained by common assembling of Polyvinylsilazane and construction guidelines agent, carry out solvent evaporation subsequently, crosslinked, the demoulding, high temperature sintering obtain SiCO micrometer ceramics cross bar, rib length is between 1 ~ 4 μm.
The method of the SiCO of preparation micrometer ceramics cross bar provided by the invention has the following advantages:
1) the rib length of SiCO micrometer ceramics cross bar prepared of the present invention is between 1 ~ 4 μm, and good stability.
2) the SiCO micrometer ceramics cross bar that prepared by the present invention has important using value in fields such as matrix material and high-temperature device designs.
3) the present invention adopts Polyvinylsilazane and template F127 (PEO
106-PPO
70-PEO
106) the method for common assembling prepare SiCO micrometer ceramics cross bar, its great advantage is that facility investment is few, processing ease, and technical process is comparatively simple, reproducible.
Accompanying drawing explanation
Fig. 1 is the SEM photo (scale is 1 μm) of the SiCO micrometer ceramics cross bar prepared by the embodiment of the present invention 1.
Fig. 2 is the SEM photo (scale is 2 μm) of the SiCO micrometer ceramics cross bar prepared by the embodiment of the present invention 1.
Embodiment
Below by embodiment, the present invention will be further described by reference to the accompanying drawings.
Embodiment 1
Polytetrafluoroethyldisk disk ethanol purge is ultrasonic, put into baking oven dry for standby subsequently.The F127 taking 0.8g to be dissolved in the container of the dimethylbenzene of 5ml and to seal, and stirs 3h and obtains mixed liquor A.Add the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g in another container, be dissolved in 5ml Virahol, and seal rapidly, magnetic agitation 3h, obtain mixed liquid B.Subsequently by the also sealing rapidly of the solution mixing in two containers, irradiate light avoided by container, Keep agitation time 24h, obtains mixed solution C.Mixed solution C is poured in the polytetrafluoroethyldisk disk of 50 DEG C of insulations and be incubated 48h, after solvent evaporation, obtain transparent film.Film is put into the baking oven heat cross-linking 40min of 130 DEG C, film becomes faint yellow from water white transparency, takes out demoulding.After demoulding, film is placed on graphite paper.Subsequently, the tube furnace putting into protection of inert gas sinters.
Following program is set: temperature program(me) is, rise to 130 DEG C from room temperature with the temperature rise rate of 1 DEG C/min and be incubated 2h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 1h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and be incubated 4h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 4h, finally naturally cooling to room temperature.Take out graphite paper, obtain the film sample of black, obtain SiCO micrometer ceramics cross bar on its surface.As Fig. 1,2 SEM figure shown in, can clear view to SiCO micrometer ceramics cross bar.
Embodiment 2:
Polytetrafluoroethyldisk disk ethanol purge is ultrasonic, put into baking oven dry for standby subsequently.The F127 taking 0.8g to be dissolved in the container of the dimethylbenzene of 5ml and to seal, and stirs 2h and obtains mixed liquor A.Add the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g in another container, be dissolved in 5ml Virahol, and seal rapidly, magnetic agitation 2h, obtain mixed liquid B.Subsequently by the also sealing rapidly of the solution mixing in two containers, irradiate light avoided by container, Keep agitation time 18h, obtains mixed solution C.Mixed solution C is poured in the polytetrafluoroethyldisk disk of 50 DEG C of insulations and be incubated 36h, after solvent evaporation, obtain transparent film.Film is put into the baking oven heat cross-linking 40min of 130 DEG C, film becomes faint yellow from water white transparency, takes out demoulding.After demoulding, film is placed on graphite paper.Subsequently, the tube furnace putting into protection of inert gas sinters.
Following program is set: temperature program(me) is, rise to 130 DEG C from room temperature with the temperature rise rate of 1 DEG C/min and be incubated 2h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 1h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and be incubated 4h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 4h, finally naturally cooling to room temperature.Take out graphite paper, obtain the film sample of black, obtain SiCO micrometer ceramics cross bar on its surface.
Embodiment 3:
Polytetrafluoroethyldisk disk ethanol purge is ultrasonic, put into baking oven dry for standby subsequently.The F127 taking 0.8g to be dissolved in the container of the dimethylbenzene of 5ml and to seal, and stirs 4h and obtains mixed liquor A.Add the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g in another container, be dissolved in 5ml Virahol, and seal rapidly, magnetic agitation 4h, obtain mixed liquid B.Subsequently by the also sealing rapidly of the solution mixing in two containers, irradiate light avoided by container, Keep agitation time 24h, obtains mixed solution C.Mixed solution C is poured in the polytetrafluoroethyldisk disk of 50 DEG C of insulations and be incubated 60h, after solvent evaporation, obtain transparent film.Film is put into the baking oven heat cross-linking 40min of 130 DEG C, film becomes faint yellow from water white transparency, takes out demoulding.After demoulding, film is placed on graphite paper.Subsequently, the tube furnace putting into protection of inert gas sinters.
Following program is set: temperature program(me) is, rise to 130 DEG C from room temperature with the temperature rise rate of 1 DEG C/min and be incubated 2h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 1h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and be incubated 4h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 4h, finally naturally cooling to room temperature.Take out graphite paper, obtain the film sample of black, obtain SiCO micrometer ceramics cross bar on its surface.
Embodiment 4:
Polytetrafluoroethyldisk disk ethanol purge is ultrasonic, put into baking oven dry for standby subsequently.The F127 taking 0.8g to be dissolved in the container of the dimethylbenzene of 5ml and to seal, and stirs 2h and obtains mixed liquor A.Add the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g in another container, be dissolved in 5ml Virahol, and seal rapidly, magnetic agitation 2h, obtain mixed liquid B.Subsequently by the also sealing rapidly of the solution mixing in two containers, irradiate light avoided by container, Keep agitation time 36h, obtains mixed solution C.Mixed solution C is poured in the polytetrafluoroethyldisk disk of 50 DEG C of insulations and be incubated 96h, after solvent evaporation, obtain transparent film.Film is put into the baking oven heat cross-linking 40min of 130 DEG C, film becomes faint yellow from water white transparency, takes out demoulding.After demoulding, film is placed on graphite paper.Subsequently, the tube furnace putting into protection of inert gas sinters.
Following program is set: temperature program(me) is, rise to 130 DEG C from room temperature with the temperature rise rate of 1 DEG C/min and be incubated 2h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 1h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and be incubated 4h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 4h, finally naturally cooling to room temperature.Take out graphite paper, obtain the film sample of black, obtain hollow nanometer cross bar on its surface.
Embodiment 5:
Polytetrafluoroethyldisk disk ethanol purge is ultrasonic, put into baking oven dry for standby subsequently.The F127 taking 0.8g to be dissolved in the container of the dimethylbenzene of 5ml and to seal, and stirs 3h and obtains mixed liquor A.Add the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.04g in another container, be dissolved in 5ml Virahol, and seal rapidly, magnetic agitation 3h, obtain mixed liquid B.Subsequently by the also sealing rapidly of the solution mixing in two containers, irradiate light avoided by container, Keep agitation time 30h, obtains mixed solution C.Mixed solution C is poured in the polytetrafluoroethyldisk disk of 50 DEG C of insulations and be incubated 72h, after solvent evaporation, obtain transparent film.Film is put into the baking oven heat cross-linking 30min of 130 DEG C, film becomes faint yellow from water white transparency, takes out demoulding.After demoulding, film is placed on graphite paper.Subsequently, the tube furnace putting into protection of inert gas sinters.
Following program is set: temperature program(me) is, rise to 130 DEG C from room temperature with the temperature rise rate of 1 DEG C/min and be incubated 2h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 1h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and be incubated 4h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 4h, finally naturally cooling to room temperature.Take out graphite paper, obtain the film sample of black, obtain SiCO micrometer ceramics cross bar on its surface.
Embodiment 6:
Polytetrafluoroethyldisk disk ethanol purge is ultrasonic, put into baking oven dry for standby subsequently.The F127 taking 0.8g to be dissolved in the container of the dimethylbenzene of 5ml and to seal, and stirs 4h and obtains mixed liquor A.Add the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.024g in another container, be dissolved in 5ml Virahol, and seal rapidly, magnetic agitation 4h, obtain mixed liquid B.Subsequently by the also sealing rapidly of the solution mixing in two containers, irradiate light avoided by container, Keep agitation time 24h, obtains mixed solution C.Mixed solution C is poured in the polytetrafluoroethyldisk disk of 50 DEG C of insulations and be incubated 96h, after solvent evaporation, obtain transparent film.Film is put into the baking oven heat cross-linking 40min of 130 DEG C, film becomes faint yellow from water white transparency, takes out demoulding.After demoulding, film is placed on graphite paper.Subsequently, the tube furnace putting into protection of inert gas sinters.
Following program is set: temperature program(me) is, rise to 130 DEG C from room temperature with the temperature rise rate of 1 DEG C/min and be incubated 2h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 1h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and be incubated 4h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and be incubated 4h, finally naturally cooling to room temperature.Take out graphite paper, obtain the film sample of black, obtain SiCO micrometer ceramics cross bar on its surface.
Claims (9)
1. a preparation method for SiCO micrometer ceramics cross bar, is characterized in that comprising the following steps:
1) 0.8g template F127 is dissolved in 5ml xylene solution, after stirring, obtains mixed liquor A;
2) the ceramic precursor Polyvinylsilazane of 0.8g is dissolved in 5ml Virahol, adds thermal cross-linking agent dicumyl peroxide, after stirring, obtain mixed liquid B;
3) by mixed liquor A and mixed liquid B mixing, after stirring, mixed solution C;
4) mixed solution C is poured in polytetrafluoroethyldisk disk, is incubated in the baking oven of 50 DEG C, then 130 DEG C crosslinked after, become pale yellow transparent film, take out rear demoulding, then pyrolysis film in an inert atmosphere, obtain SiCO micrometer ceramics cross bar at film surface; The program of described pyrolysis is: rise to 130 DEG C of insulation 2h with 1 DEG C/min, rises to 300 DEG C of insulation 1h with 0.5 DEG C/min, rises to 400 DEG C of insulation 4h, rise to 500 DEG C and be incubated 4h, finally naturally cool to room temperature with 0.5 DEG C/min with 0.5 DEG C/min.
2. the preparation method of a kind of SiCO micrometer ceramics cross bar as claimed in claim 1, is characterized in that in step 1) in, the time of described stirring is 2 ~ 4h.
3. the preparation method of a kind of SiCO micrometer ceramics cross bar as claimed in claim 1, is characterized in that in step 2) in, the consumption of described thermal cross-linking agent is 4% of Polyvinylsilazane quality by mass percentage.
4. the preparation method of a kind of SiCO micrometer ceramics cross bar as claimed in claim 1, is characterized in that in step 2) in, described in add thermal cross-linking agent dicumyl peroxide after, sealing lucifuge.
5. the preparation method of a kind of SiCO micrometer ceramics cross bar as claimed in claim 1, is characterized in that in step 2) in, described stirring adopts magnetic agitation 2 ~ 4h.
6. the preparation method of a kind of SiCO micrometer ceramics cross bar as claimed in claim 1, is characterized in that in step 3) in, seal after described mixing.
7. the preparation method of a kind of SiCO micrometer ceramics cross bar as claimed in claim 1, is characterized in that in step 3) in, the time of described stirring is 18 ~ 36h.
8. the preparation method of a kind of SiCO micrometer ceramics cross bar as claimed in claim 1, is characterized in that in step 4) in, the time of insulation is 36 ~ 96h.
9. the preparation method of a kind of SiCO micrometer ceramics cross bar as claimed in claim 1, is characterized in that in step 4) in, the described crosslinked time is 30 ~ 50min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230686.3A CN103979542B (en) | 2014-05-28 | 2014-05-28 | A kind of preparation method of SiCO micrometer ceramics cross bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230686.3A CN103979542B (en) | 2014-05-28 | 2014-05-28 | A kind of preparation method of SiCO micrometer ceramics cross bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103979542A CN103979542A (en) | 2014-08-13 |
| CN103979542B true CN103979542B (en) | 2016-02-03 |
Family
ID=51271750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410230686.3A Active CN103979542B (en) | 2014-05-28 | 2014-05-28 | A kind of preparation method of SiCO micrometer ceramics cross bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103979542B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5792416A (en) * | 1996-05-17 | 1998-08-11 | University Of Florida | Preparation of boron-doped silicon carbide fibers |
| CN103073297A (en) * | 2013-02-22 | 2013-05-01 | 厦门大学 | Preparation method of SiCO ceramic nanospheres |
| CN103466590A (en) * | 2013-09-13 | 2013-12-25 | 厦门大学 | Preparation method of SiCO hollow nanospheres |
-
2014
- 2014-05-28 CN CN201410230686.3A patent/CN103979542B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5792416A (en) * | 1996-05-17 | 1998-08-11 | University Of Florida | Preparation of boron-doped silicon carbide fibers |
| CN103073297A (en) * | 2013-02-22 | 2013-05-01 | 厦门大学 | Preparation method of SiCO ceramic nanospheres |
| CN103466590A (en) * | 2013-09-13 | 2013-12-25 | 厦门大学 | Preparation method of SiCO hollow nanospheres |
Non-Patent Citations (3)
| Title |
|---|
| A Facile Route to Construct SiCO Nanospheres with Tunable Sizes;Yuxi Yu;《International Journal of Applied Ceramic Technology》;20130822;第11卷(第4期);第671页Resultss and Discussion以及第674页第2段 * |
| Si-Al-C-N陶瓷先驱体研究进展;蔡溪南等;《现代化工》;20100930;第30卷(第9期);全文 * |
| 苯及其衍生物在Pluronic嵌段共聚物胶束水溶液中的增溶;郑玉婴等;《环境科学学报》;20011130;第21卷(第6期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103979542A (en) | 2014-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Graphene oxide-based evaporator with one-dimensional water transport enabling high-efficiency solar desalination | |
| CN104129780B (en) | Graphene film and preparation method thereof | |
| CN103560016B (en) | A kind of preparation method of multistage pore canal graphene/carbon composite | |
| CN105529404B (en) | A kind of organic solar batteries with two-dimensional nano bowl array light trapping structure and preparation method thereof | |
| CN106698446A (en) | Low-cost method for preparing aerogel by means of atmospheric pressure drying | |
| CN103881278A (en) | Method for preparing three-dimensional porous nano composite material of graphene oxide-water soluble polymer | |
| CN103073297B (en) | Preparation method of SiCO ceramic nanospheres | |
| CN104528740B (en) | A kind of preparation method of ordered meso-porous silicon oxide-carbon composite | |
| CN106395737A (en) | Method for preparing micron and nano structure array having gradient changed material surface morphology | |
| CN105951218A (en) | Preparation of nano-carbon fiber with high specific surface area | |
| CN103979967B (en) | A kind of preparation method of SiCO micron order vermiform pottery | |
| CN108217632A (en) | The preparation method of graphene aerogel with superhigh specific surface area | |
| CN103979969B (en) | A kind of preparation method of SiCO micrometer ceramics ball | |
| CN103979542B (en) | A kind of preparation method of SiCO micrometer ceramics cross bar | |
| CN104888626A (en) | Preparation method of degradable polylactic acid microporous membrane | |
| CN104016347B (en) | A kind of preparation method of SiCO nanometer scale ceramics spherocrystal | |
| CN110451561A (en) | A kind of synthetic method of big-pore mesoporous double metal oxide semiconductor gas sensitive | |
| CN103979540B (en) | The preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls | |
| CN103979541B (en) | The preparation method of a kind of SiCO micron order ditetrahedron pottery | |
| CN107403929B (en) | A kind of preparation method of lithium ion battery negative material | |
| CN103979968B (en) | A kind of preparation method of SiCO micrometer ceramics rectangular parallelepiped | |
| CN105895952A (en) | Fabrication method of porous SnO2/C composite fiber | |
| CN104953097B (en) | Silica carbon composite nano-fiber lithium ion battery negative material and preparation method | |
| CN106554205A (en) | A kind of preparation method of the micrometer level porous hollow ceramic ball of SiCO | |
| CN108630447A (en) | A kind of preparation method of the graphene film electrode with tubular structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210402 Address after: 100020 605, unit 1, 6 / F, 20 Gongti East Road, Chaoyang District, Beijing Patentee after: Zhongke Runzi Technology Co.,Ltd. Address before: Xiamen City, Fujian Province, 361005 South Siming Road No. 422 Patentee before: XIAMEN University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230323 Address after: 401120 Office Building, No. 1148, Gaoyang Road, Nanjin Street Sub-district Office, Hechuan District, Chongqing Patentee after: Zhongke Runzi (Chongqing) energy saving Technology Co.,Ltd. Address before: 100020 605, unit 1, 6 / F, 20 Gongti East Road, Chaoyang District, Beijing Patentee before: Zhongke Runzi Technology Co.,Ltd. |