CN1272478C - Spinning solution and its preparation and application - Google Patents
Spinning solution and its preparation and application Download PDFInfo
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- CN1272478C CN1272478C CN 03129651 CN03129651A CN1272478C CN 1272478 C CN1272478 C CN 1272478C CN 03129651 CN03129651 CN 03129651 CN 03129651 A CN03129651 A CN 03129651A CN 1272478 C CN1272478 C CN 1272478C
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- phbv
- spinning solution
- solvent
- raw material
- solution
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- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
- D01F6/625—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters derived from hydroxy-carboxylic acids, e.g. lactones
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The present invention relates to a method for preparing PHBV spinning solution, and the application thereof, which belongs to the fields of preparing and applying spinning solution. The solution comprises raw material and solvent, wherein the raw material is PHBV powder, and the solvent can be one out of the follow substances: dichlorethylene, dichloromethane, pyridine and trichloromethane; the solution is prepared by dissolving the raw material into the solvent which is then uniformly agitated and statically placed for deaeration. PHBV superfine fiber is obtained by the perfusion of the spinning solution, electrostatic spinning and the collection of superfine fiber on an electrostatic spinning machine by using the solution, and the application of PHBV spinning solution is realized. The PHBV superfine fiber has the advantages of strong adsorption force, favorable filterability, good barrier property, high adhesiveness, good thermal insulating property and high biocompatibility, and is suitable to be used as adsorbing, filtrating, obstructing and heat-insulating materials, and medical dressings, such as suture threads, gauze fabrics, bandages, etc. The present invention is a new technique that can produce large economical benefits, and has wide development perspective.
Description
Technical field
The present invention relates to a kind of spinning solution and preparation thereof and application, exactly, relate to a kind of PHBV spinning solution and preparation thereof and application, belong to spinning solution preparation and applied technical field.
Background technology
Poly 3-hydroxy butyrate-3-hydroxyl pentanoate copolymer (PHBV) is the biodegradable polyester of class energy that obtains from the thalline biological cell by bacterial fermentation.Because it directly extracts from organism, thereby has excellent biological compatibility, Bioabsorbable and biodegradable performance, causes the very big interest of macromolecule circle.But since the performance characteristic of this kind material own, main at present processing as plastic products, there is certain difficulty in the fibre forming of this kind material always, the preparation of relevant PHBV superfine fibre, and not seeing yet so far both at home and abroad has report.Method of electrostatic spinning is a polymer thread electrostatic force stretch spinning method, is a kind of important method for preparing superfine fibre.The fiber that makes with this method is much thinner than traditional fibre spinning method, fibre diameter generally tens of to thousands of nanometers.Utilize this method, the preparation problem of PHBV superfine fibre is expected and can be resolved.
Summary of the invention
The objective of the invention is to propose a kind of PHBV spinning solution, this stoste contains raw material and solvent, and raw material is dissolved in solvent, it is characterized in that, described raw material is the PHBV powder, and described solvent is one of following four kinds: dichloroethylene, carrene, pyridine and chloroform.
Another object of the present invention provides a kind of preparation of PHBV spinning solution, and the PHBV spinning solution that makes can prepare the PHBV superfine fibre by method of electrostatic spinning.
This purpose is by realizing by the following technical solutions:
Be dissolved in solvent by raw material; Stir; Make the PHBV spinning solution with three steps of standing and defoaming.
Now describe the preparation of spinning solution of the present invention in detail.The preparation of described PHBV spinning solution is characterized in that, operating procedure:
First step raw material is dissolved in solvent
Take by weighing 1～20wt% raw material and 80～99wt% solvent, raw material is the PHBV powder, and solvent is one of following four kinds: dichloroethylene, carrene, pyridine and chloroform are dissolved in solvent with raw material;
Second step stirred
Under 20～80 ℃, the solution that the last step was made carries out high-speed stirred, and speed of agitator obtains uniform solution between 75～350rpm;
The 3rd step standing and defoaming
The solution that the last step was made is 20～80 ℃ of following standing and defoaming 1～5 hour, the PHBV spinning solution.
Another purpose of the present invention provides a kind of application of PHBV spinning solution.
The present invention realizes above purpose by the following technical solutions: utilize the PHBV spinning solution, on electrostatic spinning machine, make the PHBV superfine fibre by spinning solution dress notes, electrostatic spinning and three steps of collection superfine fibre, realize the application to the PHBV spinning solution.
Now in conjunction with the accompanying drawings, describe application of the present invention in detail.The application of described PHBV spinning solution, all operations is implemented on electrostatic spinning machine, it is characterized in that, utilizes the PHBV spinning solution to prepare the PHBV superfine fibre, operating procedure:
First step spinning solution dress is annotated
The PHBV spinning solution is injected self-injector 2;
The second step electrostatic spinning
The PHBV spinning solution is put 3 ejections in superfine fibre 5 modes from Taylor under the highfield effect, spinning journey is medium with 30～80 ℃ hot-air, and air velocity is between 0～1m/min, and the output voltage of high pressure generator 1 is between 15～60Kv;
The 3rd step was collected superfine fibre
Advantage of the present invention:
1. be spun into the PHBV superfine fibre first, filled up the blank of domestic and international this product of nothing and added new varieties for the fiber-like product.
2. product purpose is wide, is suitable for medical.The PHBV superfine fibre is mainly used in makes the PHBV nonwoven fabric.This nonwoven fabric is as common superfine fibre nonwoven cloth, have strong absorption affinity and good filterability, barrier, cohesiveness and heat insulating ability, be suitable for doing absorption, filtration, obstruct and insulation material, biological nature in conjunction with PHBV material itself: bio-compatible victory, Bioabsorbable and biodegradability, the PHBV superfine fibre also is suitable for doing medical dressing, as suture, gauze, bandage etc.
Description of drawings
Fig. 1 is the spinning schematic diagram of electrostatic spinning machine, and wherein 1 is high pressure generator, the 2nd, and self-injector, the 3rd, Taylor's point, the 4th, dash receiver, the 5th, superfine fibre.The output voltage of high pressure generator 1 is 10～60Kv, is applied between self-injector 2 and the dash receiver 4.
The specific embodiment
All embodiment are by the preparation and the application operating of above-mentioned PHBV spinning solution.
The preparation of PHBV spinning solution:
Solvent is a dichloroethylene, PHBV powder: dichloroethylene=1wt%:99wt%; Stir at 35 times; At 30 ℃ of following standing and defoaming 1.5hr.
The application of PHBV spinning solution:
Spinning journey is medium with 40 ℃ hot-air; Dash receiver 4 is metal aluminum foils, and receiving range is 20cm, and the diameter of the PHBV superfine fibre of collecting is between 100～600nm.
The preparation of PHBV spinning solution:
Solvent is a carrene, PHBV powder: carrene=8wt%: 92wt%; Stir down at 25 ℃; At 20 ℃ of following standing and defoaming 2hr.
The application of PHBV spinning solution:
Spinning journey is medium with 30 ℃ hot-air; Dash receiver 4 is plastic plates, and receiving range is 35cm, and the diameter of the PHBV superfine fibre of collecting is between 200～800nm.
The preparation of PHBV spinning solution:
Solvent is a pyridine, PHBV powder: pyridine=15wt%: 85wt%; Stir down at 70 ℃, at 60 ℃ of following standing and defoaming 2.5hr.
The application of PHBV spinning solution:
Spinning journey is medium with 80 ℃ hot-air; Dash receiver 4 is paper, and receiving range is 25cm, and the diameter of the PHBV superfine fibre of collecting is between 200～1000nm.
The preparation of PHBV spinning solution:
Solvent is a chloroform, PHBV powder: chloroform=20wt%: 80wt%; Stir down at 45 ℃; At 35 ℃ of following standing and defoaming 5hr.
The application of PHBV spinning solution:
Spinning journey is medium with 50 ℃ hot-air; Dash receiver 4 is wire nettings, and receiving range is 15cm, and the diameter of the PHBV superfine fibre of collecting is between 400～1000nm.
Claims (3)
1. a PHBV spinning solution contains raw material and solvent, and raw material is dissolved in solvent, it is characterized in that, described raw material is the PHBV powder, and described solvent is one of following four kinds: dichloroethylene, carrene, pyridine and chloroform.
2. the preparation of the described PHBV spinning solution of claim 1 is characterized in that operating procedure:
First step raw material is dissolved in solvent
Take by weighing 1～20wt% raw material and 80～99wt% solvent, raw material is the PHBV powder, and solvent is one of following four kinds: dichloroethylene, carrene, pyridine and chloroform are dissolved in solvent with raw material;
Second step stirred
Under 20～80 ℃, the solution that the last step was made carries out high-speed stirred, and speed of agitator obtains uniform solution between 75～350rpm;
The 3rd step standing and defoaming
The solution that the last step was made is 20～80 ℃ of following standing and defoaming 1～5 hour, the PHBV spinning solution.
3. the application of the described PHBV spinning solution of claim 1, all operations is implemented on electrostatic spinning machine, it is characterized in that, utilizes the PHBV spinning solution to prepare the PHBV superfine fibre, operating procedure:
First step spinning solution dress is annotated
The PHBV spinning solution is injected self-injector (2);
The second step electrostatic spinning
The PHBV spinning solution under the highfield effect in superfine fibre (5) mode from Taylor's point (3) ejection, spinning journey is medium with 30～80 ℃ hot-air, air velocity is between 0～1m/min, the output voltage of high pressure generator (1) is between 15～60Kv;
The 3rd step was collected superfine fibre
Dash receiver (4) is collected the PHBV superfine fibre of Taylor's point (3) ejection, dash receiver (4) is metallic plate, wire netting, plastic plate or paper, receiving range, promptly dash receiver (4) to the distance of Taylor's point (3) between 10～40cm, the diameter of the PHBV superfine fibre of collecting is between 100～1000nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03129651 CN1272478C (en) | 2003-07-02 | 2003-07-02 | Spinning solution and its preparation and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03129651 CN1272478C (en) | 2003-07-02 | 2003-07-02 | Spinning solution and its preparation and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1493719A CN1493719A (en) | 2004-05-05 |
| CN1272478C true CN1272478C (en) | 2006-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03129651 Expired - Fee Related CN1272478C (en) | 2003-07-02 | 2003-07-02 | Spinning solution and its preparation and application |
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| CN (1) | CN1272478C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009127166A1 (en) * | 2008-04-18 | 2009-10-22 | 中国科学院上海硅酸盐研究所 | Electrospinning fiber tubular material and preparation method thereof |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334267C (en) * | 2005-03-25 | 2007-08-29 | 东南大学 | Device and method for preparing combined continuous electro-spinning nano fibrous membrane |
| CN100406632C (en) * | 2006-01-18 | 2008-07-30 | 东华大学 | Nanometer grade diameter biodegradable fiber non-woven fabric and preparation method |
| JP4803113B2 (en) * | 2007-05-29 | 2011-10-26 | パナソニック株式会社 | Nanofiber compounding method and apparatus |
| CN101624728B (en) * | 2008-07-07 | 2012-07-04 | 常州市久联蓄电池材料有限公司 | System for electrospinning nanofiber from polymer |
| CN102166372B (en) * | 2011-02-14 | 2013-09-04 | 东南大学 | Manufacturing method of composite nanofiber scaffold for promoting repair of bone defect |
| CN102641520A (en) * | 2012-05-07 | 2012-08-22 | 吉林大学 | Preparation method of biological repair nano dressing containing wood frog skin polypeptide and being used for wounds and burn |
| CN105063790A (en) * | 2013-10-30 | 2015-11-18 | 清华大学 | PHBV/PLA absorbable suture |
| CN104288845B (en) * | 2014-10-17 | 2016-03-30 | 苏州大学 | A kind of three-dimensional porous fibrous framework, preparation method and application |
| CN108743566B (en) * | 2018-05-23 | 2021-02-02 | 中南大学湘雅二医院 | Preparation method and application of PHBV/rosiglitazone sustained-release membrane |
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2003
- 2003-07-02 CN CN 03129651 patent/CN1272478C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009127166A1 (en) * | 2008-04-18 | 2009-10-22 | 中国科学院上海硅酸盐研究所 | Electrospinning fiber tubular material and preparation method thereof |
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| CN1493719A (en) | 2004-05-05 |
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