CN109056115A - A kind of Sc2W3O12The preparation method of fiber - Google Patents
A kind of Sc2W3O12The preparation method of fiber Download PDFInfo
- Publication number
- CN109056115A CN109056115A CN201810749726.3A CN201810749726A CN109056115A CN 109056115 A CN109056115 A CN 109056115A CN 201810749726 A CN201810749726 A CN 201810749726A CN 109056115 A CN109056115 A CN 109056115A
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- CN
- China
- Prior art keywords
- fiber
- scandium
- preparation
- dimethylformamide
- pva
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Inorganic Fibers (AREA)
Abstract
The invention belongs to provide a kind of Sc2W3O12The preparation method of fiber, which comprises the following steps: tungstates, scandium salts and PVA are dissolved in n,N-Dimethylformamide；Tungsten and scandium atomic ratio are Zr: W=3: 2, and mixed solution is made and carries out jet spinning in electrospinning device, the distance between injector and collector are 12-30cm, voltage 10-15KV；Obtained fiber is put into calcining 2-3 hours of 600~800 DEG C of Muffle furnace, and natural cooling obtains Sc2W3O12Fiber.The present invention prepares Sc with electrospinning process2W3O12Fiber, raw material is cheap, technical process simple and stable, is easy to large-scale production, and product can be used for the filler of Electronic Packaging metal support plate or polymer support plate, plays the role of compensation thermal expansion and enhancing mechanical property.
Description
Technical field
The invention belongs to material chemistry technical fields, are related to a kind of Sc2W3O12The preparation method of fiber.
Background technique
As electronics industry Highgrade integration develops, the very big shadow of the thermal expansion character of wiring board support plate and electronic package material
Ring the reliability of electronic device.The molybdate of many class skeleton structures and with tungstate material with unique negative expansion imitate
It answers.Sc2W3O12Fibrous material is within the scope of -263~927 DEG C it is observed that negative expansion effect, applied widely, with suitable
Component ratio matching metal powder metallurgy or be blended the composite encapsulating material that can be obtained close to zero thermal expansion with high molecular material.
Sc2W3O12The common preparation method of particle has solid phase method, sol-gal process, combustion method, hydro-thermal method, coprecipitation etc..One-dimensional knot
Structure Sc2W3O12Material is as can not only compensate the thermal expansion of electronic circuit support plate or encapsulating material, while it is multiple to be conducive to enhancing
The mechanical strength of condensation material.
Summary of the invention
The purpose of the present invention is to provide a kind of Sc2W3O12The preparation method of fiber, which is characterized in that including following step
It is rapid: tungstates, scandium salts and PVA are dissolved in n,N-Dimethylformamide；Tungsten and scandium atomic ratio are Sc: W=2: 3, are made mixed
It closes solution and carries out jet spinning in electrospinning device, the distance between injector and collector are 12-30cm, and voltage is
10-15KV；Obtained fiber is put into calcining 2-3 hours of 600~800 DEG C of Muffle furnace, and natural cooling obtains Sc2W3O12Fiber.
The tungstates includes one of ammonium tungstate, ammonium metatungstate or combinations thereof, and scandium salts includes scandium nitrate, in scandium chloride
One kind or combinations thereof, concentration of the scandium salts in n,N-Dimethylformamide is 0.05~0.1mol/L.
Concentration of the PVA in n,N-Dimethylformamide is 50~60g/L.
The present invention prepares Sc with electrospinning process2W3O12Fiber, raw material is cheap, and technical process simple and stable is easy to advise
Mould production, product can be used for the filler of Electronic Packaging metal support plate or polymer support plate, play compensation thermal expansion and enhancing mechanics
The effect of performance.
The contents of the present invention and feature have revealed that as above, however the present invention that describes of front only briefly or pertains only to this
The specific part of invention, feature of the invention may be more than what content disclosed herein was related to.Therefore, protection model of the invention
The revealed content of embodiment should be not limited to by enclosing, and should include the combination of all the elements embodied in different piece, with
And it is various without departing substantially from replacement and modification of the invention, and covered by claims of the present invention.
Detailed description of the invention
Fig. 1 is to synthesize Sc using (embodiment 1) of the invention2W3O12The SEM photograph of fiber.
Specific embodiment
Embodiment 1
0.75mol/L ammonium tungstate, 0.05mol/L scandium nitrate and 50g/L PVA are dissolved in n,N-Dimethylformamide；
Mixed solution is made and carries out jet spinning in electrospinning device, the distance between injector and collector are 20cm, voltage
For 12KV；Obtained fiber is put into 600 DEG C of Muffle furnace and calcines 3 hours, and natural cooling obtains Sc as shown in Figure 12W3O12Fiber.
Embodiment 2
1.5mol/L ammonium tungstate, 0.1mol/L scandium chloride and 60g/L PVA are dissolved in n,N-Dimethylformamide；System
It obtains mixed solution and carries out jet spinning in electrospinning device, the distance between injector and collector are 15cm, and voltage is
12KV；Obtained fiber is put into 800 DEG C of Muffle furnace and calcines 2 hours, and natural cooling obtains Sc2W3O12Fiber.
Embodiment 3
0.75mol/L ammonium metatungstate, 0.05mol/L scandium nitrate and 55g/L PVA are dissolved in n,N-Dimethylformamide
In；Mixed solution is made and carries out jet spinning in electrospinning device, the distance between injector and collector are 12cm, electricity
Pressure is 10KV；Obtained fiber is put into 700 DEG C of Muffle furnace and calcines 2 hours, and natural cooling obtains Sc2W3O12Fiber.
Embodiment 4
1.5mol/L ammonium metatungstate, 0.1mol/L scandium chloride and 60g/L PVA are dissolved in n,N-Dimethylformamide；
Mixed solution is made and carries out jet spinning in electrospinning device, the distance between injector and collector are 30cm, voltage
For 15KV；Obtained fiber is put into 700 DEG C of Muffle furnace and calcines 3 hours, and natural cooling obtains Sc2W3O12Fiber.
Claims (4)
1. a kind of Sc2W3O12The preparation method of fiber, which comprises the following steps: dissolve tungstates, scandium salts and PVA
In n,N-Dimethylformamide；Tungsten and scandium atomic ratio are Sc: W=2: 3, and mixed solution is made and carries out in electrospinning device
Jet spinning, the distance between injector and collector are 12-30cm, voltage 10-15KV；Obtained fiber is put into Muffle furnace
600~800 DEG C calcining 2-3 hours, natural cooling obtains Sc2W3O12Fiber.
2. a kind of Sc according to claim 12W3O12The preparation method of fiber, it is characterised in that: the tungstates includes wolframic acid
One of ammonium, ammonium metatungstate or combinations thereof, scandium salts include one of scandium nitrate, scandium chloride or combinations thereof, and scandium salts is in N, N-
Concentration in dimethylformamide is 0.05~0.1mol/L.
3. a kind of Sc according to claim 12W3O12The preparation method of fiber, it is characterised in that: the PVA is in N, N- diformazan
Concentration in base formamide is 50~60g/L.
4. a kind of Sc as described in claims 1 to 3 any one2W3O12Sc made by the preparation method of fiber2W3O12It is fine
Dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810749726.3A CN109056115A (en) | 2018-07-02 | 2018-07-02 | A kind of Sc2W3O12The preparation method of fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810749726.3A CN109056115A (en) | 2018-07-02 | 2018-07-02 | A kind of Sc2W3O12The preparation method of fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109056115A true CN109056115A (en) | 2018-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810749726.3A Withdrawn CN109056115A (en) | 2018-07-02 | 2018-07-02 | A kind of Sc2W3O12The preparation method of fiber |
Country Status (1)
| Country | Link |
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| CN (1) | CN109056115A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612565A (en) * | 2009-07-21 | 2009-12-30 | 中国科学院上海硅酸盐研究所 | A kind of Bi 2WO 6Nano-fiber cloth, preparation method and application |
| CN106466599A (en) * | 2016-08-30 | 2017-03-01 | 华南师范大学 | A kind of preparation method of the tungsten trioxide nano fiber of nucleocapsid structure |
| CN107460562A (en) * | 2017-08-02 | 2017-12-12 | 肇庆市华师大光电产业研究院 | One-step method prepares Copper-cladding Aluminum Bar tungstic acid composite nano-fiber material |
-
2018
- 2018-07-02 CN CN201810749726.3A patent/CN109056115A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612565A (en) * | 2009-07-21 | 2009-12-30 | 中国科学院上海硅酸盐研究所 | A kind of Bi 2WO 6Nano-fiber cloth, preparation method and application |
| CN106466599A (en) * | 2016-08-30 | 2017-03-01 | 华南师范大学 | A kind of preparation method of the tungsten trioxide nano fiber of nucleocapsid structure |
| CN107460562A (en) * | 2017-08-02 | 2017-12-12 | 肇庆市华师大光电产业研究院 | One-step method prepares Copper-cladding Aluminum Bar tungstic acid composite nano-fiber material |
Non-Patent Citations (2)
| Title |
|---|
| 居相文等: "负热膨胀材料Sc2W3O12的研究进展", 《化工新型材料》 * |
| 陈观文等: "《膜技术新进展与工程应用》", 31 August 2013, 国防工业出版社，第1版 * |
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Application publication date: 20181221 |