CN101787651A - Method for preparing electrostatic spinning composite material on the basis of mesh fabric as reinforcement - Google Patents
Method for preparing electrostatic spinning composite material on the basis of mesh fabric as reinforcement Download PDFInfo
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- CN101787651A CN101787651A CN201010113456A CN201010113456A CN101787651A CN 101787651 A CN101787651 A CN 101787651A CN 201010113456 A CN201010113456 A CN 201010113456A CN 201010113456 A CN201010113456 A CN 201010113456A CN 101787651 A CN101787651 A CN 101787651A
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Abstract
The invention relates to a method for preparing a composite material, in particular to a method for preparing an electrostatic spinning composite material on the basis of mesh fabric as a reinforcement. The method comprises the following steps of: (1) dissolving a polymer into a solution to prepare a uniform spinning solution; (2) paving the mesh fabric onto an electrostatic spinning receiving plate; (3) adding the spinning solution into an injector of an electrostatic spinning device, extruding by the control of a micro injection pump, connecting the spraying opening of the injector to a high-voltage positive electrode, connecting the receiving plate to a negative electrode, adjusting the electrostatic spinning parameters, and carrying out electrostatic spinning. As the mesh fabric is paved on the electrostatic spinning receiving plate, the strength of the electrostatic spinning composite material is enhanced. The composite material has the superhigh specific surface of the nanometer fiber, enhances the strength of the nanometer film base body, and has good application prospect.
Description
Technical field
The present invention relates to a kind of preparation method of composite, especially a kind of is the preparation method who strengthens the electrostatically spun composite material of body with the eyelet fabric.
Background technology
Electrostatic spinning technique is by making charged Polymer Solution or melt flow deformation in electrostatic field, through solvent evaporation or melt cooling and solidify, thereby obtains fibrous material.Electrostatic spinning technique is the important basic skills of preparation nanofiber.Because nanofiber has numerous characteristics, for example fibre fineness is thin, specific area is big, thereby has application widely.
Summary of the invention
The purpose of this invention is to provide a kind of is the preparation method who strengthens the electrostatically spun composite material of body with the eyelet fabric, and can prepare with the eyelet fabric is the nano composite material that strengthens body.
According to technical scheme provided by the invention, described is the preparation method who strengthens the electrostatically spun composite material of body with the eyelet fabric, comprises the following steps:
(1), polymer dissolution is made the spinning solution of homogeneous in solvent;
(2), eyelet fabric is laid in static and spins on the dash receiver enhancing body as composite;
(3), spinning solution is joined in the syringe of electrostatic spinning device, extruded by micro-injection pump control, the syringe spout connects high-voltage positive electrode, and dash receiver connects negative pole, regulates static and spins each technological parameter, carries out electrostatic spinning.
The mesh diameter scope of described eyelet fabric be 0.005mm to 10mm, described eyelet fabric material is cotton, fiber crops, hair, silk and various chemical fibre.
Described solvent is a kind of material in water, carrene, dimethyl formamide, dimethylacetylamide, metacresol, sulfuric acid, dimethyl formamide, formic acid, acetate, propionic acid, isopropyl alcohol, acetone and the hexafluoroisopropanol.
Described polymer is a kind of material in polyethylene glycol, polyvinyl alcohol, polyacrylonitrile, PLA, acetate fiber, bamboo fibre, silk fibroin or the polyurethane elastomer.
In the described step (1), after polymer is dissolved in solvent, under 18-30 ℃ of environment temperature, continue to stir 12-24 hour with the preparation uniform solution.
Electrostatic spinning parameter in the described step (3) is voltage 5～30kV; The speed of micro-injection pump is 0.1～5.0 milliliter/hour; 18～30 ℃ of spinning environment temperatures; The spinning envionmental humidity is 40～65%RH; Distance between dash receiver and the syringe spout is 5.0～30.0 centimetres.
Utilizing the nanofiber diameter in the electrostatically spun composite material that described preparation method makes is 1～1000nm.
A kind of electrostatic spinning device of electrostatically spun composite material comprises propulsion plant, syringe, dash receiver, high voltage source and eyelet fabric; Described propulsion plant is arranged on the syringe, and the syringe spout connects the positive pole of high voltage source, and dash receiver connects the negative pole of high voltage source, and eyelet fabric is laid in the front of dash receiver.
The present invention combines electrostatic spinning technique with eyelet fabric, thereby can be basic unit with the electrostatic spinning nano fiber by additional eyelet fabric spinning on dash receiver, and eyelet fabric is for strengthening the electrostatically spun composite material of body.In the electrostatic spinning technique spinning process, nanofiber is owing to be subjected to the high pressure effect, be adsorbed on the dash receiver that is connected in electrode one end, thereby can pass the space of mesh and stick on the recipient, and eyelet fabric is coated in the nano fibrous membrane, thereby form composite along with gathering of nanofiber.This composite because of with eyelet fabric as strengthening body, improved the brute force of original nano fibrous membrane greatly.
Description of drawings
Fig. 1 is an electrostatic spinning device.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
Use electrostatic spinning device to prepare electrostatically spun composite material among the present invention, electrostatic spinning device comprises propulsion plant 1, syringe 2, syringe needle 3, dash receiver 4, eyelet fabric 5, high voltage source 6.Described propulsion plant 1 is arranged on the syringe 2, and syringe needle 3 connects the positive pole of high voltage source, and dash receiver 4 connects the negative pole of high voltage source, the dash receiver 4 positive eyelet fabrics 5 of laying.
Embodiment one: based on the preparation method of eyelet fabric for the electrostatically spun composite material of enhancing body.
With acetone: dimethylacetylamide is made into the homogeneous solvent by 2: 1 volume ratio; molecular weight distribution be 30000, acetyl turns to 39.8% cellulose diacetate and is dissolved in this solvent; under 25 ℃ of room temperatures, stirred 12 hours; make the spinning solution of homogeneous, the cellulose diacetate mass fraction is 11% in the spinning solution.The mesh diameter of weaving into two cellulose acetate filaments is that the eyelet fabric of 8mm is laid in static and spins and receive on the aluminium film; Spinning solution is joined in the syringe of electrostatic spinning device, extruded by micro-injection pump control, the syringe spout connects high-voltage positive electrode, and dash receiver connects negative pole, carries out electrostatic spinning.Electrostatic spinning voltage is 20kV, and the speed of micro-injection pump is 0.8 milliliter/hour, 25 ℃ of spinning environment temperatures, and the spinning envionmental humidity is 50%RH, and the distance between dash receiver and the syringe spout is 12.0cm, and the spinning time is 8h.
Embodiment two: based on the preparation method of eyelet fabric for the electrostatically spun composite material of enhancing body
With relative molecular mass is that 75000 polyacrylonitrile is dissolved in the dimethylacetylamide, stirs 12 hours under 28 ℃ of room temperatures, makes the spinning solution of homogeneous, and the mass fraction of polyacrylonitrile is 10% in the solution; The mesh diameter that the polyacrylonitrile long filament is weaved into is that the eyelet fabric of 5mm is laid in static and spins on the dash receiver; Spinning solution is joined in the syringe of electrostatic spinning device, extruded by micro-injection pump control, the syringe spout connects high-voltage positive electrode, and dash receiver connects negative pole, carries out electrostatic spinning.Electrostatic spinning voltage is 30kV, and the speed of micro-injection pump is 0.5 milliliter/hour, 28 ℃ of spinning environment temperatures, and the spinning envionmental humidity is 50%RH, and the distance between dash receiver and the syringe spout is 11.5cm, and the spinning time is 16h.
Embodiment three: based on the preparation method of eyelet fabric for the electrostatically spun composite material of enhancing body
With mean molecule quantity is that 10000 PLA is dissolved in the carrene, stirs 12 hours under 25 ℃ of room temperatures, makes the spinning solution of homogeneous, and the mass fraction of PLA is 8% in the solution; The mesh diameter that the PLA long filament is weaved into is that the eyelet fabric of 1mm is laid in static and spins dash receiver; Spinning solution is joined in the syringe of electrostatic spinning device, extruded by micro-injection pump control, the syringe spout connects high-voltage positive electrode, and dash receiver connects negative pole, carries out electrostatic spinning.Electrostatic spinning voltage is 15kV, and the speed of micro-injection pump is 0.8 milliliter/hour, 25 ℃ of spinning environment temperatures, and the spinning envionmental humidity is 60%RH, and the distance between dash receiver and the syringe spout is 20cm, and the spinning time is 8h.
Claims (8)
1. one kind is the preparation method who strengthens the electrostatically spun composite material of body based on eyelet fabric, it is characterized in that: comprise the following steps:
(1), polymer dissolution is made the spinning solution of homogeneous in solvent;
(2), eyelet fabric being laid in static spins on the dash receiver;
(3), spinning solution is joined in the syringe of electrostatic spinning device, extruded by micro-injection pump control, the syringe spout connects the positive pole of high voltage source, and dash receiver connects the negative pole of high voltage source, carries out electrostatic spinning.
2. preparation method as claimed in claim 1 is characterized in that: described mesh diameter is that 0.005mm is to 10mm.
3. preparation method as claimed in claim 1 is characterized in that: the material of described eyelet fabric is cotton, fiber crops, silk, hair and various chemical long filament.
4. preparation method as claimed in claim 1 is characterized in that: described solvent is a kind of material in water, carrene, dimethyl formamide, dimethylacetylamide, metacresol, sulfuric acid, dimethyl formamide, formic acid, acetate, propionic acid, isopropyl alcohol, acetone and the hexafluoroisopropanol.
5. preparation method as claimed in claim 1 is characterized in that: described polymer is a kind of material in polyethylene glycol, polyvinyl alcohol, polyacrylonitrile, PLA, cellulose acetate, bamboo cellulose, silk fibroin or the polyurethane elastomer.
6. preparation method as claimed in claim 1 is characterized in that: the electrostatic spinning parameter in the described step (3) is voltage 10～30kV; The speed of micro-injection pump is 0.1～5.0 milliliter/hour; 18～30 ℃ of spinning environment temperatures; The spinning envionmental humidity is 40～65%RH; Distance between dash receiver and the syringe spout is 5.0～30.0 centimetres.
7. the electrostatically spun composite material that utilizes the described preparation method of one of claim 1 to 6 to make is characterized in that: the diameter of described electrostatically spun composite material is 1～1000nm.
8. the electrostatic spinning device of an electrostatically spun composite material comprises propulsion plant (1), syringe (2), syringe needle (3), dash receiver (4), eyelet fabric (5) and high voltage source (6); It is characterized in that: described propulsion plant (1) is arranged on the syringe (2), and syringe needle (3) connects the positive pole of high voltage source, and dash receiver (4) connects the negative pole of high voltage source, the positive eyelet fabric (5) of laying of dash receiver (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010113456A CN101787651A (en) | 2010-01-26 | 2010-01-26 | Method for preparing electrostatic spinning composite material on the basis of mesh fabric as reinforcement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010113456A CN101787651A (en) | 2010-01-26 | 2010-01-26 | Method for preparing electrostatic spinning composite material on the basis of mesh fabric as reinforcement |
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| CN101787651A true CN101787651A (en) | 2010-07-28 |
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| CN201010113456A Pending CN101787651A (en) | 2010-01-26 | 2010-01-26 | Method for preparing electrostatic spinning composite material on the basis of mesh fabric as reinforcement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428927A (en) * | 2011-09-16 | 2012-05-02 | 彭可扬 | Method for preventing and treating environmental microbial pollution by antibiotic loaded bifunctional active nanofiber membrane |
| CN102454115A (en) * | 2010-10-21 | 2012-05-16 | 江南大学 | Continuous shaping process for wide-width flat carbon fiber strand |
| CN103340483A (en) * | 2013-06-17 | 2013-10-09 | 江苏圣华盾服饰有限公司 | Windproof warm-keeping composite garment fabric |
| CN107022097A (en) * | 2017-04-21 | 2017-08-08 | 天津工业大学 | A kind of nanofiber enhancing fibroin protein film and preparation method thereof |
| CN111826728A (en) * | 2020-07-03 | 2020-10-27 | 东华大学 | Self-curling electrostatic spinning micro-nanofiber with wool fibers as receiving substrate |
| CN115262788A (en) * | 2022-07-29 | 2022-11-01 | 深圳市航天新材科技有限公司 | Composite sound absorption plate with multi-scale hole structure and preparation method thereof |
-
2010
- 2010-01-26 CN CN201010113456A patent/CN101787651A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454115A (en) * | 2010-10-21 | 2012-05-16 | 江南大学 | Continuous shaping process for wide-width flat carbon fiber strand |
| CN102454115B (en) * | 2010-10-21 | 2013-07-31 | 江南大学 | Continuous shaping process for wide-width flat carbon fiber strand |
| CN102428927A (en) * | 2011-09-16 | 2012-05-02 | 彭可扬 | Method for preventing and treating environmental microbial pollution by antibiotic loaded bifunctional active nanofiber membrane |
| CN103340483A (en) * | 2013-06-17 | 2013-10-09 | 江苏圣华盾服饰有限公司 | Windproof warm-keeping composite garment fabric |
| CN107022097A (en) * | 2017-04-21 | 2017-08-08 | 天津工业大学 | A kind of nanofiber enhancing fibroin protein film and preparation method thereof |
| CN111826728A (en) * | 2020-07-03 | 2020-10-27 | 东华大学 | Self-curling electrostatic spinning micro-nanofiber with wool fibers as receiving substrate |
| CN111826728B (en) * | 2020-07-03 | 2022-05-06 | 东华大学 | Self-curling electrostatic spinning micro-nanofiber with wool fibers as receiving substrate |
| CN115262788A (en) * | 2022-07-29 | 2022-11-01 | 深圳市航天新材科技有限公司 | Composite sound absorption plate with multi-scale hole structure and preparation method thereof |
| CN115262788B (en) * | 2022-07-29 | 2023-08-15 | 深圳市航天新材科技有限公司 | Composite sound absorption board with multi-scale hole structure and preparation method thereof |
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Open date: 20100728 |