CN103979540B - The preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls - Google Patents
The preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls Download PDFInfo
- Publication number
- CN103979540B CN103979540B CN201410230575.2A CN201410230575A CN103979540B CN 103979540 B CN103979540 B CN 103979540B CN 201410230575 A CN201410230575 A CN 201410230575A CN 103979540 B CN103979540 B CN 103979540B
- Authority
- CN
- China
- Prior art keywords
- micron order
- ceramic balls
- preparation
- shape ceramic
- strawberry shape
- 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
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls, it 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 ethanol, adds the thermal cross-linking agent dicumyl peroxide of 0.032g, after stirring, obtain mixed liquid B; Mixed liquor A and mixed liquid B are mixed, mixed solution C after stirring; Mixed solution C is poured in polytetrafluoroethyldisk disk, is incubated in the baking oven of 80 DEG C, then 130 DEG C crosslinked after, turn into faint yellow transparent film, take out rear demoulding, then pyrolysis film in an inert atmosphere, obtain SiCO micron order strawberry shape Ceramic Balls at film surface. The diameter of the SiCO micrometer ceramics ball of preparation is 2��10 ��m, and good stability. In field application such as matrix material and high-temperature device designs. Facility investment is few, processing ease, and technique is simple, and repeatability is good.
Description
Technical field
The present invention relates to a kind of micrometer ceramics, especially relate to the preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls.
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, one of focus having become nano fabrication technique field over nearly 20 years. Segmented copolymer is formed by connecting by chemical bond by the segment of objectionable intermingling on thermodynamics, and this kind of constructional feature causes segmented copolymer that micron-scale phase separation can only occur, and forms colourful ordered phase form on meso-scale. 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 composition, chain length, the applying outfield of segmented copolymer or change 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 the preparation method of a kind of polyoxometallate polymer hybridized segmented copolymer nanotube. The open one of Chinese patent CN101244818 is that skeleton props up body taking polyurethane sponge, take nonionic surface active agent as structure directing agent, taking polymer presoma as carbon source, taking inorganic silicon source etc. as additive, poly-and the carbonization through high-temperature hot, 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 a kind of very potential ordered structure assemble method, but it is applied in inorganic aspect or a newer field. The open a kind of preparation process of Chinese patent CN103073297A is simple, it is possible to 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
It is an object of the invention to provide the preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls.
The present invention comprises the following steps:
1) by 0.8g template F127 (PEO106-PPO70-PEO106) be dissolved in 5ml xylene solution, after stirring, obtain mixed liquor A;
2) the ceramic precursor Polyvinylsilazane of 0.8g is dissolved in 5ml ethanol, adds the thermal cross-linking agent dicumyl peroxide of 0.032g, after stirring, obtain mixed liquid B;
3) mixed liquor A and mixed liquid B are mixed, after stirring, mixed solution C;
4) mixed solution C is poured in polytetrafluoroethyldisk disk, is incubated in the baking oven of 80 DEG C, then 130 DEG C crosslinked after, turn into faint yellow transparent film, take out rear demoulding, then pyrolysis film in an inert atmosphere, obtain SiCO micron order strawberry shape Ceramic Balls at film surface.
In step 1) in, the time of described stirring can be 1��2h.
In step 2) in, described in add the thermal cross-linking agent dicumyl peroxide of 0.032g after, preferably seal lucifuge; Described stirring can adopt magnetic agitation 1��2h.
In step 3) in, after described mixing, preferably seal; The time of described stirring can be 12��36h.
In step 4) in, the time of described insulation can be 24��96h; The described crosslinked time can be 30��50min; The program of described pyrolysis can be: rises to 130 DEG C of insulation 1h with 1 DEG C/min, rises to 300 DEG C of insulation 3h with 0.5 DEG C/min, rises to 400 DEG C of insulation 3h with 0.5 DEG C/min, rises to 500 DEG C with 0.5 DEG C/min and be incubated 4h, finally naturally cool to room temperature.
The present invention adopts ceramic precursor Polyvinylsilazane and template F127 (PEO106-PPO70-PEO106) blended in the mixed solvent of dimethylbenzene and Virahol, after assembling altogether, SiCO micron order strawberry shape Ceramic Balls is prepared in pyrolysis in an inert atmosphere.
The method of the SiCO of preparation micron order strawberry shape Ceramic Balls provided by the invention has the following advantages:
1) diameter of the SiCO micron order strawberry shape Ceramic Balls that prepared by the present invention is between 2��10 ��m, and good stability.
2) the SiCO micron order strawberry shape Ceramic Balls 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 (PEO106-PPO70-PEO106) the method for common assembling prepare SiCO micron order strawberry shape Ceramic Balls, its great advantage is that facility investment is few, processing ease, and technical process is relatively simple, and repeatability is good.
Accompanying drawing explanation
Fig. 1 is the SEM photograph (scale is 10 ��m) of the SiCO micron order strawberry shape Ceramic Balls prepared by the embodiment of the present invention 1.
Fig. 2 is the SEM photograph (scale is 4 ��m) of the SiCO micron order strawberry shape Ceramic Balls 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:
By polytetrafluoroethyldisk disk ethanol purge and ultrasonic, put into baking oven dry for standby subsequently. The F127 taking 0.8g is dissolved in the container of the dimethylbenzene of 5ml and seals, and stirs 1h and obtains mixed liquor A. Another container adds the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g, is dissolved in 5ml ethanol, and seals rapidly, magnetic agitation 1h, obtain mixed liquid B. Being mixed by solution in two containers subsequently and seal rapidly, container avoids light to irradiate, and continues churning time 24h, obtains mixed solution C. Being poured into by mixed solution C in the polytetrafluoroethyldisk disk of 80 DEG C of insulations and be incubated 48h, solvent obtains transparent film after evaporating. Film is put into the baking oven heat cross-linking 40min of 130 DEG C, and film turns into faint yellow from water white transparency, takes out demoulding. After demoulding, film is placed on graphite paper. Subsequently, the tube furnace sintering of protection of inert gas is put into.
Following program is set: temperature program(me) is, rise to 130 DEG C with the temperature rise rate of 1 DEG C/min from room temperature and it is incubated 1h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 3h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and it is incubated 3h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 4h, finally naturally cool to room temperature. Take out graphite paper, obtain the film sample of black, obtain SiCO micron order strawberry shape Ceramic Balls on its surface. As illustrated in fig. 1 and 2, it is possible to clear view is to SiCO micron order strawberry shape Ceramic Balls.
Embodiment 2:
By polytetrafluoroethyldisk disk ethanol purge and ultrasonic, put into baking oven dry for standby subsequently. The F127 taking 0.8g is dissolved in the container of the dimethylbenzene of 5ml and seals, and stirs 2h and obtains mixed liquor A. Another container adds the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g, is dissolved in 5ml ethanol, and seals rapidly, magnetic agitation 2h, obtain mixed liquid B. Being mixed by solution in two containers subsequently and seal rapidly, container avoids light to irradiate, and continues churning time 12h, obtains mixed solution C. Being poured into by mixed solution C in the polytetrafluoroethyldisk disk of 80 DEG C of insulations and be incubated 48h, solvent obtains transparent film after evaporating. Film is put into the baking oven heat cross-linking 50min of 130 DEG C, and film turns into faint yellow from water white transparency, takes out demoulding. After demoulding, film is placed on graphite paper. Subsequently, the tube furnace sintering of protection of inert gas is put into.
Following program is set: temperature program(me) is, rise to 130 DEG C with the temperature rise rate of 1 DEG C/min from room temperature and it is incubated 1h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 3h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and it is incubated 3h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 4h, finally naturally cool to room temperature. Take out graphite paper, obtain the film sample of black, obtain SiCO micron order strawberry shape Ceramic Balls on its surface.
Embodiment 3:
By polytetrafluoroethyldisk disk ethanol purge and ultrasonic, put into baking oven dry for standby subsequently. The F127 taking 0.8g is dissolved in the container of the dimethylbenzene of 5ml and seals, and stirs 1h and obtains mixed liquor A. Another container adds the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g, is dissolved in 5ml ethanol, and seals rapidly, magnetic agitation 1h, obtain mixed liquid B. Being mixed by solution in two containers subsequently and seal rapidly, container avoids light to irradiate, and continues churning time 12h, obtains mixed solution C. Being poured into by mixed solution C in the polytetrafluoroethyldisk disk of 80 DEG C of insulations and be incubated 24h, solvent obtains transparent film after evaporating. Film is put into the baking oven heat cross-linking 50min of 130 DEG C, and film turns into faint yellow from water white transparency, takes out demoulding. After demoulding, film is placed on graphite paper. Subsequently, the tube furnace sintering of protection of inert gas is put into.
Following program is set: temperature program(me) is, rise to 130 DEG C with the temperature rise rate of 1 DEG C/min from room temperature and it is incubated 1h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 3h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and it is incubated 3h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 4h, finally naturally cool to room temperature. Take out graphite paper, obtain the film sample of black, obtain SiCO micron order strawberry shape Ceramic Balls on its surface.
Embodiment 4:
By polytetrafluoroethyldisk disk ethanol purge and ultrasonic, put into baking oven dry for standby subsequently. The F127 taking 0.8g is dissolved in the container of the dimethylbenzene of 5ml and seals, and stirs 2h and obtains mixed liquor A. Another container adds the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g, is dissolved in 5ml ethanol, and seals rapidly, magnetic agitation 2h, obtain mixed liquid B. Being mixed by solution in two containers subsequently and seal rapidly, container avoids light to irradiate, and continues churning time 24h, obtains mixed solution C. Being poured into by mixed solution C in the polytetrafluoroethyldisk disk of 80 DEG C of insulations and be incubated 72h, solvent obtains transparent film after evaporating. Film is put into the baking oven heat cross-linking 40min of 130 DEG C, and film turns into faint yellow from water white transparency, takes out demoulding. After demoulding, film is placed on graphite paper. Subsequently, the tube furnace sintering of protection of inert gas is put into.
Following program is set: temperature program(me) is, rise to 130 DEG C with the temperature rise rate of 1 DEG C/min from room temperature and it is incubated 1h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 3h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and it is incubated 3h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 4h, finally naturally cool to room temperature. Take out graphite paper, obtain the film sample of black, obtain SiCO micron order strawberry shape Ceramic Balls on its surface.
Embodiment 5:
By polytetrafluoroethyldisk disk ethanol purge and ultrasonic, put into baking oven dry for standby subsequently. The F127 taking 0.8g is dissolved in the container of the dimethylbenzene of 5ml and seals, and stirs 1h and obtains mixed liquor A. Another container adds the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g, is dissolved in 5ml ethanol, and seals rapidly, magnetic agitation 1h, obtain mixed liquid B. Being mixed by solution in two containers subsequently and seal rapidly, container avoids light to irradiate, and continues churning time 24h, obtains mixed solution C. Being poured into by mixed solution C in the polytetrafluoroethyldisk disk of 80 DEG C of insulations and be incubated 96h, solvent obtains transparent film after evaporating. Film is put into the baking oven heat cross-linking 30min of 130 DEG C, and film turns into faint yellow from water white transparency, takes out demoulding. After demoulding, film is placed on graphite paper. Subsequently, the tube furnace sintering of protection of inert gas is put into.
Following program is set: temperature program(me) is, rise to 130 DEG C with the temperature rise rate of 1 DEG C/min from room temperature and it is incubated 1h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 3h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and it is incubated 3h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 4h, finally naturally cool to room temperature. Take out graphite paper, obtain the film sample of black, obtain SiCO micron order strawberry shape Ceramic Balls on its surface.
Embodiment 6:
By polytetrafluoroethyldisk disk ethanol purge and ultrasonic, put into baking oven dry for standby subsequently. The F127 taking 0.8g is dissolved in the container of the dimethylbenzene of 5ml and seals, and stirs 1h and obtains mixed liquor A. Another container adds the Polyvinylsilazane of 0.8g and the dicumyl peroxide of 0.032g, is dissolved in 5ml ethanol, and seals rapidly, magnetic agitation 1h, obtain mixed liquid B. Being mixed by solution in two containers subsequently and seal rapidly, container avoids light to irradiate, and continues churning time 36h, obtains mixed solution C. Being poured into by mixed solution C in the polytetrafluoroethyldisk disk of 80 DEG C of insulations and be incubated 72h, solvent obtains transparent film after evaporating. Film is put into the baking oven heat cross-linking 40min of 130 DEG C, and film turns into faint yellow from water white transparency, takes out demoulding. After demoulding, film is placed on graphite paper. Subsequently, the tube furnace sintering of protection of inert gas is put into.
Following program is set: temperature program(me) is, rise to 130 DEG C with the temperature rise rate of 1 DEG C/min from room temperature and it is incubated 1h, rise to 300 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 3h, rise to 400 DEG C with the temperature rise rate of 0.5 DEG C and it is incubated 3h, rise to 500 DEG C with the temperature rise rate of 0.5 DEG C/min and it is incubated 4h, finally naturally cool to room temperature. Take out graphite paper, obtain the film sample of black, obtain SiCO micron order strawberry shape Ceramic Balls on its surface.
First ceramic forerunner Polyvinylsilazane and thermal cross-linking agent dicumyl peroxide are dissolved in ethanolic soln by the present invention, simultaneously by template F127 (PEO106-PPO70-PEO106Mw=12600g/mol) it is dissolved in xylene solution, stir 30��60min respectively, again by two solution mixing, obtain mixing solutions, subsequently mixing solutions be laid on tetrafluoroethylene panel, be placed in 80 DEG C of thermostat containers evaporation, crosslinked, obtaining SiCO micron order strawberry shape Ceramic Balls through the demoulding, high-temperature heat treatment again, diameter is between 2��10 ��m. The method preparation technology is simple, and preparation condition is gentle, it is possible to prepare SiCO micron order strawberry shape Ceramic Balls efficiently.
Claims (8)
1. the preparation method of a SiCO micron order strawberry shape Ceramic Balls, it is characterised in that comprise the following steps:
1) being dissolved in 5ml xylene solution by 0.8g template F127, after stirring, obtain mixed liquor A, described template F127 is PEO106-PPO70-PEO106;
2) the ceramic precursor Polyvinylsilazane of 0.8g is dissolved in 5ml ethanol, adds the thermal cross-linking agent dicumyl peroxide of 0.032g, after stirring, obtain mixed liquid B;
3) mixed liquor A and mixed liquid B are mixed, after stirring, mixed solution C;
4) mixed solution C is poured in polytetrafluoroethyldisk disk, is incubated in the baking oven of 80 DEG C, then 130 DEG C crosslinked after, turn into faint yellow transparent film, take out rear demoulding, then pyrolysis film in an inert atmosphere, obtain SiCO micron order strawberry shape Ceramic Balls at film surface; The program of described pyrolysis is: rise to 130 DEG C of insulation 1h with 1 DEG C/min, rises to 300 DEG C of insulation 3h with 0.5 DEG C/min, rises to 400 DEG C of insulation 3h with 0.5 DEG C/min, rises to 500 DEG C with 0.5 DEG C/min and be incubated 4h, finally naturally cool to room temperature.
2. the preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls as claimed in claim 1, it is characterised in that in step 1) in, the time of described stirring is 1��2h.
3. the preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls as claimed in claim 1, it is characterised in that in step 2) in, described in add the thermal cross-linking agent dicumyl peroxide of 0.032g after, sealing lucifuge.
4. the preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls as claimed in claim 1, it is characterised in that in step 2) in, described stirring adopts magnetic agitation 1��2h.
5. the preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls as claimed in claim 1, it is characterised in that in step 3) in, after described mixing, sealing.
6. the preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls as claimed in claim 1, it is characterised in that in step 3) in, the time of described stirring is 12��36h.
7. the preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls as claimed in claim 1, it is characterised in that in step 4) in, the time of described insulation is 24��96h.
8. the preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls as claimed in claim 1, it is characterised in that in step 4) in, the described crosslinked time is 30��50min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230575.2A CN103979540B (en) | 2014-05-28 | 2014-05-28 | The preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230575.2A CN103979540B (en) | 2014-05-28 | 2014-05-28 | The preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103979540A CN103979540A (en) | 2014-08-13 |
| CN103979540B true CN103979540B (en) | 2016-06-01 |
Family
ID=51271748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410230575.2A Active CN103979540B (en) | 2014-05-28 | 2014-05-28 | The preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103979540B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022434A (en) * | 2012-11-23 | 2013-04-03 | 中国科学院宁波材料技术与工程研究所 | Precursor ceramic-carbon nano tube composite material and preparation method thereof |
| CN103073297A (en) * | 2013-02-22 | 2013-05-01 | 厦门大学 | Preparation method of SiCO ceramic nanospheres |
| CN103137968A (en) * | 2011-11-30 | 2013-06-05 | 北京有色金属研究总院 | Positive electrode composite material for lithium ion batteries and preparation method thereof |
| CN103466590A (en) * | 2013-09-13 | 2013-12-25 | 厦门大学 | Preparation method of SiCO hollow nanospheres |
-
2014
- 2014-05-28 CN CN201410230575.2A patent/CN103979540B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137968A (en) * | 2011-11-30 | 2013-06-05 | 北京有色金属研究总院 | Positive electrode composite material for lithium ion batteries and preparation method thereof |
| CN103022434A (en) * | 2012-11-23 | 2013-04-03 | 中国科学院宁波材料技术与工程研究所 | Precursor ceramic-carbon nano tube composite material and preparation method thereof |
| 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 (1)
| Title |
|---|
| A Facile Route to Construct SiCO Nanospheres with Tunable Sizes;Yuxi Yu;《Int. J. Appl. Ceram. Technol.》;20130822;第11卷(第4期);670-675 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103979540A (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 | |
| CN107240643B (en) | Bromo element adulterates methylamine lead iodine perovskite solar battery and preparation method thereof | |
| CN106698446A (en) | Low-cost method for preparing aerogel by means of atmospheric pressure drying | |
| CN106981570A (en) | A kind of fast preparation method of perovskite thin film and its application | |
| CN103881278A (en) | Method for preparing three-dimensional porous nano composite material of graphene oxide-water soluble polymer | |
| CN104528740B (en) | A kind of preparation method of ordered meso-porous silicon oxide-carbon composite | |
| 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 | |
| CN103979540B (en) | The preparation method of a kind of SiCO micron order strawberry shape Ceramic Balls | |
| CN107833969A (en) | A kind of high efficiency planar heterojunction perovskite thin film solar cell and preparation method | |
| CN103979967B (en) | A kind of preparation method of SiCO micron order vermiform pottery | |
| CN104944411A (en) | Method for preparing nano mesoporous carbon microspheres by adopting soft template | |
| CN108380203A (en) | A kind of hollow nucleocapsid spherical shape LaMnO of mesoporous wall3Perovskite catalyst and preparation method thereof | |
| CN104888626A (en) | Preparation method of degradable polylactic acid microporous membrane | |
| CN104692444B (en) | A kind of method preparing ceria nano-crystalline film | |
| CN103979541B (en) | The preparation method of a kind of SiCO micron order ditetrahedron pottery | |
| CN110451561A (en) | A kind of synthetic method of big-pore mesoporous double metal oxide semiconductor gas sensitive | |
| CN104016347B (en) | A kind of preparation method of SiCO nanometer scale ceramics spherocrystal | |
| CN103979542B (en) | A kind of preparation method of SiCO micrometer ceramics cross bar | |
| CN103566604A (en) | Efficient liquid steaming method based on liquid surface electromagnetic wave absorption structure membrane | |
| CN105118684A (en) | Mesoporous cobalt/carbon nano composite material preparation method and use thereof | |
| CN103979968B (en) | A kind of preparation method of SiCO micrometer ceramics rectangular parallelepiped | |
| CN104953097B (en) | Silica carbon composite nano-fiber lithium ion battery negative material and preparation method | |
| CN108630447A (en) | A kind of preparation method of the graphene film electrode with tubular structure | |
| CN106554205A (en) | A kind of preparation method of the micrometer level porous hollow ceramic ball of SiCO |
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: 20210414 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: 20230322 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. |