CN109957852A - A kind of composite nano fiber electrostatic spinning process - Google Patents
A kind of composite nano fiber electrostatic spinning process Download PDFInfo
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- CN109957852A CN109957852A CN201910265156.5A CN201910265156A CN109957852A CN 109957852 A CN109957852 A CN 109957852A CN 201910265156 A CN201910265156 A CN 201910265156A CN 109957852 A CN109957852 A CN 109957852A
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- Prior art keywords
- electrostatic spinning
- spinning
- fibre
- forming polymer
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
Abstract
The invention discloses a kind of composite nano fiber electrostatic spinning process, comprise the following steps that S1, fibre-forming polymer is carried out sorting break process；S2, the broken rear fibre-forming polymer of step S1 is subjected to decolorization by hydrogen peroxide；S3, fibre-forming polymer after step S2 decoloration is subjected to washing process, be washed with deionized water completely, moisture removal is removed in drying；S4, fibre-forming polymer is subjected to dissolution process；S5, spinning is carried out to solution using electrostatic spinning technique, obtain nanofiber, beneficial effects of the present invention are as follows: the technique is using conventional electrostatic spinning, raw material can be made using waste and old fibrous material, mixing electrostatic spinning liquid can be produced by simple processing step, can relatively easily prepare the lower composite nano fiber product of diameter, relatively simple solvent and separation method can be adapted for multiple polymers nanofiber, raw material is cheap and easy to get, low in cost, environmentally protective.
Description
Technical field
The invention discloses a kind of composite nano fiber electrostatic spinning process, belong to textile technology technical field.
Background technique
Electrostatic spinning technique refers to that polymer solution or melt occur injection under the effect of high-voltage electrostatic field power and stretch, through molten
Agent volatilization or cooling and solidifying, obtain a kind of method of fibrous material.Electrostatic spinning is most main relative to other conventional spinning processes
The characteristics of wanting is that the nanofiber that large specific surface area, porosity are high, aperture is small, draw ratio is big can be obtained, in cell culture, environment
There is significant meaning in the fields such as protection and improvement.
Summary of the invention
The purpose of the invention is to provide a kind of composite nano fiber electrostatic spinning process.
To achieve the above object, the invention provides the following technical scheme: a kind of composite nano fiber electrostatic spinning process, packet
Include that steps are as follows:
S1, fibre-forming polymer is subjected to sorting break process；
S2, the broken rear fibre-forming polymer of step S1 is subjected to decolorization by hydrogen peroxide；
S3, fibre-forming polymer after step S2 decoloration is subjected to washing process, be washed with deionized water completely, drying goes to remove water
Point；
S4, fibre-forming polymer is subjected to dissolution process:
A, polyacrylonitrile and n,N-Dimethylformamide are placed in container, are stirred under room temperature completely molten to polyacrylonitrile
Solution obtains polyacrylonitrile solution in n,N-Dimethylformamide；
B, acetylbutyrylcellulose and n,N-Dimethylformamide and acetone are placed in container, are stirred under room temperature to vinegar
Sour cellulose butyrate is completely dissolved, and obtains acetylbutyrylcellulose solution；
C, it weighs polyacrylonitrile solution and acetylbutyrylcellulose solution is placed in container, mixed after being stirred under room temperature
Electrostatic spinning liquid；
S5, spinning is carried out to solution using electrostatic spinning technique, obtains composite nano fiber:
D, mixing electrostatic spinning liquid is fitted into the syringe that volume is 10mL, and spinning syringe needle uses No. 21 stainless steel syringe needles,
For precise injection pump control spinning speed in 1.5mL/h, high voltage power supply controls voltage in 15kV, air compressor control auxiliary gas
Pressure in 80~200kpa；
E, spinning is carried out in the reception device of electrostatic spinning, prepares disorderly arranged nanofiber.
Preferably, the concentration for mixing electrostatic spinning liquid in the step S4 is 12%~15%.
Preferably, regulating environmental humidity is 20~50% in the step S5, temperature is 20~50 DEG C, in spinning syringe needle
Diameter is 0.2~2mm, and receiving distance is 10~20cm.
Preferably, the hydrogen peroxide concentration in the step S2 is 20-30%.
Compared with prior art, beneficial effects of the present invention are as follows:
In the present invention, which can make raw material using waste and old fibrous material, by simple using conventional electrostatic spinning
Processing step can produce mixing electrostatic spinning liquid, can relatively easily prepare the lower nanofiber product of diameter, compared with
It can be adapted for multiple polymers nanofiber for simple solvent and separation method, raw material is cheap and easy to get, low in cost, green
Environmental protection.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one
A kind of composite nano fiber electrostatic spinning process, comprises the following steps that
S1, fibre-forming polymer is subjected to sorting break process；
S2, the broken rear fibre-forming polymer of step S1 is subjected to decolorization by hydrogen peroxide；
S3, fibre-forming polymer after step S2 decoloration is subjected to washing process, be washed with deionized water completely, drying goes to remove water
Point；
S4, fibre-forming polymer is subjected to dissolution process:
A, polyacrylonitrile and n,N-Dimethylformamide are placed in container, are stirred under room temperature completely molten to polyacrylonitrile
Solution obtains polyacrylonitrile solution in n,N-Dimethylformamide；
B, acetylbutyrylcellulose and n,N-Dimethylformamide and acetone are placed in container, are stirred under room temperature to vinegar
Sour cellulose butyrate is completely dissolved, and obtains acetylbutyrylcellulose solution；
C, it weighs polyacrylonitrile solution and acetylbutyrylcellulose solution is placed in container, mixed after being stirred under room temperature
Electrostatic spinning liquid；
S5, spinning is carried out to solution using electrostatic spinning technique, obtains nanofiber:
D, mixing electrostatic spinning liquid is fitted into the syringe that volume is 10mL, and spinning syringe needle uses No. 21 stainless steel syringe needles,
For precise injection pump control spinning speed in 1.5mL/h, high voltage power supply controls voltage in 15kV, air compressor control auxiliary gas
Pressure in 80kpa；
E, spinning is carried out in the reception device of electrostatic spinning, prepares disorderly arranged nanofiber, and spinning process is suitable
Freely, gained fiber is continuous, and surface is smooth, and it is few between fiber be adhered, have preferable spinnability.
Wherein, the concentration that electrostatic spinning liquid is mixed in the step S4 is 12%.
Wherein, regulating environmental humidity is 20% in the step S5, and temperature is 20 DEG C, and spinning syringe needle internal diameter is 0.2mm, is connect
Receiving distance is 10cm.
Wherein, the hydrogen peroxide concentration in the step S2 is 20%.
Embodiment two
A kind of composite nano fiber electrostatic spinning process, comprises the following steps that
S1, fibre-forming polymer is subjected to sorting break process；
S2, the broken rear fibre-forming polymer of step S1 is subjected to decolorization by hydrogen peroxide；
S3, fibre-forming polymer after step S2 decoloration is subjected to washing process, be washed with deionized water completely, drying goes to remove water
Point；
S4, fibre-forming polymer is subjected to dissolution process:
A, polyacrylonitrile and n,N-Dimethylformamide are placed in container, are stirred under room temperature completely molten to polyacrylonitrile
Solution obtains polyacrylonitrile solution in n,N-Dimethylformamide；
B, acetylbutyrylcellulose and n,N-Dimethylformamide and acetone are placed in container, are stirred under room temperature to vinegar
Sour cellulose butyrate is completely dissolved, and obtains acetylbutyrylcellulose solution；
C, it weighs polyacrylonitrile solution and acetylbutyrylcellulose solution is placed in container, mixed after being stirred under room temperature
Electrostatic spinning liquid；
S5, spinning is carried out to solution using electrostatic spinning technique, obtains nanofiber:
D, mixing electrostatic spinning liquid is fitted into the syringe that volume is 10mL, and spinning syringe needle uses No. 21 stainless steel syringe needles,
For precise injection pump control spinning speed in 1.5mL/h, high voltage power supply controls voltage in 15kV, air compressor control auxiliary gas
Pressure in 200kpa；
E, spinning is carried out in the reception device of electrostatic spinning, prepares disorderly arranged nanofiber, and spinning process is suitable
Freely, gained fiber is continuous, and surface is smooth, and it is few between fiber be adhered, have preferable spinnability.
Wherein, the concentration that electrostatic spinning liquid is mixed in the step S4 is 15%.
Wherein, regulating environmental humidity is 50% in the step S5, and temperature is 50 DEG C, and spinning syringe needle internal diameter is 0.2mm, is connect
Receiving distance is 20cm.
Wherein, the hydrogen peroxide concentration in the step S2 is 30%.
Embodiment three
A kind of composite nano fiber electrostatic spinning process, comprises the following steps that
S1, fibre-forming polymer is subjected to sorting break process；
S2, the broken rear fibre-forming polymer of step S1 is subjected to decolorization by hydrogen peroxide；
S3, fibre-forming polymer after step S2 decoloration is subjected to washing process, washed with clean water, moisture removal is removed in drying；
S4, fibre-forming polymer is subjected to dissolution process:
A, polyacrylonitrile and n,N-Dimethylformamide are placed in container, are stirred under room temperature completely molten to polyacrylonitrile
Solution obtains polyacrylonitrile solution in n,N-Dimethylformamide；
B, acetylbutyrylcellulose and n,N-Dimethylformamide and acetone are placed in container, are stirred under room temperature to vinegar
Sour cellulose butyrate is completely dissolved, and obtains acetylbutyrylcellulose solution；
C, it weighs polyacrylonitrile solution and acetylbutyrylcellulose solution is placed in container, mixed after being stirred under room temperature
Electrostatic spinning liquid；
S5, spinning is carried out to solution using electrostatic spinning technique, obtains nanofiber:
D, mixing electrostatic spinning liquid is fitted into the syringe that volume is 10mL, and spinning syringe needle uses No. 21 stainless steel syringe needles,
For precise injection pump control spinning speed in 1.5mL/h, high voltage power supply controls voltage in 15kV, air compressor control auxiliary gas
Pressure in 150kpa；
E, spinning is carried out in the reception device of electrostatic spinning, prepares disorderly arranged nanofiber, and gained fiber connects
Continuous, surface is smooth, and it is few between fiber be adhered, there is preferable spinnability.
Wherein, the concentration that electrostatic spinning liquid is mixed in the step S4 is 14%.
Wherein, regulating environmental humidity is 35% in the step S5, and temperature is 35 DEG C, and spinning syringe needle internal diameter is 1.5mm, is connect
Receiving distance is 15cm.
Wherein, the hydrogen peroxide concentration in the step S2 is 25%.
Beneficial effects of the present invention are as follows: the technique can be made using conventional electrostatic spinning using waste and old fibrous material
Raw material can produce mixing electrostatic spinning liquid by simple processing step, and it is lower multiple can relatively easily to prepare diameter
Nanofiber product is closed, relatively simple solvent and separation method can be adapted for multiple polymers nanofiber, and raw material is cheap
It is easy to get, it is low in cost, it is environmentally protective.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of composite nano fiber electrostatic spinning process, which is characterized in that comprise the following steps that
S1, fibre-forming polymer is subjected to sorting break process；
S2, the broken rear fibre-forming polymer of step S1 is subjected to decolorization by hydrogen peroxide；
S3, fibre-forming polymer after step S2 decoloration is subjected to washing process, be washed with deionized water completely, moisture removal is removed in drying；
S4, fibre-forming polymer is subjected to dissolution process:
A, polyacrylonitrile and n,N-Dimethylformamide are placed in container, stirring to polyacrylonitrile is dissolved completely under room temperature
In n,N-Dimethylformamide, polyacrylonitrile solution is obtained；
B, acetylbutyrylcellulose and n,N-Dimethylformamide and acetone are placed in container, are stirred under room temperature to acetic acid fourth
Acid cellulose is completely dissolved, and obtains acetylbutyrylcellulose solution；
C, it weighs polyacrylonitrile solution and acetylbutyrylcellulose solution is placed in container, mixing electrostatic is obtained after stirring under room temperature
Spinning solution；
S5, spinning is carried out to solution using electrostatic spinning technique, obtains nanofiber:
D, mixing electrostatic spinning liquid is fitted into the syringe that volume is 10mL, and spinning syringe needle uses No. 21 stainless steel syringe needles, accurate
Syringe pump controls spinning speed in 1.5mL/h, and high voltage power supply controls voltage in 15kV, the pressure of air compressor control auxiliary gas
In 80~200kpa；
E, spinning is carried out in the reception device of electrostatic spinning, prepares disorderly arranged nanofiber.
2. a kind of composite nano fiber electrostatic spinning process according to claim 1, it is characterised in that: in the step S4
The concentration for mixing electrostatic spinning liquid is 12%~15%.
3. a kind of composite nano fiber electrostatic spinning process according to claim 1, it is characterised in that: in the step S5
Regulating environmental humidity is 20~50%, and temperature is 20~50 DEG C, and spinning syringe needle internal diameter is 0.2~2mm, receive distance for 10~
20cm。
4. a kind of composite nano fiber electrostatic spinning process according to claim 1, it is characterised in that: in the step S2
Hydrogen peroxide concentration be 20-30%.
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| CN201910265156.5A CN109957852A (en) | 2019-04-03 | 2019-04-03 | A kind of composite nano fiber electrostatic spinning process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349871A (en) * | 2022-01-11 | 2022-04-15 | 万华化学集团股份有限公司 | Method for decoloring and decontaminating cellulose acetate butyrate |
| CN115385442A (en) * | 2022-05-25 | 2022-11-25 | 天津大学 | Composite functional micro-nano fiber carrier and preparation method and application thereof |
Citations (5)
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| US4357389A (en) * | 1979-09-10 | 1982-11-02 | Asahi Kasei Kogyo Kabushiki Kaisha | Polymer dope composition, composite fibers made therefrom and process for making same |
| CN101270198A (en) * | 2008-05-15 | 2008-09-24 | 东华大学 | Method for electrostatic blending polyacrylonitrile/glycol cellulose nano-fibrous membrane |
| CN106978647A (en) * | 2017-04-26 | 2017-07-25 | 四川大学 | A kind of production technology of nanofiber |
| CN108149339A (en) * | 2018-01-24 | 2018-06-12 | 湖州科博信息科技有限公司 | A kind of recycling terylene nanometer Electrostatic spinning of fibres liquid |
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2019
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Patent Citations (5)
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|---|---|---|---|---|
| US4357389A (en) * | 1979-09-10 | 1982-11-02 | Asahi Kasei Kogyo Kabushiki Kaisha | Polymer dope composition, composite fibers made therefrom and process for making same |
| CN101270198A (en) * | 2008-05-15 | 2008-09-24 | 东华大学 | Method for electrostatic blending polyacrylonitrile/glycol cellulose nano-fibrous membrane |
| CN106978647A (en) * | 2017-04-26 | 2017-07-25 | 四川大学 | A kind of production technology of nanofiber |
| CN108149339A (en) * | 2018-01-24 | 2018-06-12 | 湖州科博信息科技有限公司 | A kind of recycling terylene nanometer Electrostatic spinning of fibres liquid |
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Non-Patent Citations (3)
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| HEM PRAKASH KARKI等: "Cellulose/polyacrylonitrile electrospun compositefiber for effective separation of the surfactant-free oil-in-water mixture under a versatile condition", 《SEPARATION AND PURIFICATION TECHNOLOGY》 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349871A (en) * | 2022-01-11 | 2022-04-15 | 万华化学集团股份有限公司 | Method for decoloring and decontaminating cellulose acetate butyrate |
| CN114349871B (en) * | 2022-01-11 | 2022-11-08 | 万华化学集团股份有限公司 | Method for decoloring and decontaminating cellulose acetate butyrate |
| CN115385442A (en) * | 2022-05-25 | 2022-11-25 | 天津大学 | Composite functional micro-nano fiber carrier and preparation method and application thereof |
| CN115385442B (en) * | 2022-05-25 | 2023-07-04 | 天津大学 | Composite functional micro-nanofiber carrier and preparation method and application thereof |
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Application publication date: 20190702 |
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