CN103757742B - A kind of preparation method of nuclear shell structure nano fiber of fluorine-contained surface - Google Patents
A kind of preparation method of nuclear shell structure nano fiber of fluorine-contained surface Download PDFInfo
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Abstract
A preparation method for the nuclear shell structure nano fiber of fluorine-contained surface, belongs to functionalized nano-fiber preparation field.The present invention is by blended by polymer and fluorine-containing photoinitiator, fluorochemical monomer, utilize surface tension that fluorinated compound is low and to the characteristic of fiber surface migration, under UV-irradiation, carry out Electrospun, to have prepared internal layer be polymer fiber core and surface is the fluorine-containing nuclear shell structure nano fiber of new functionization of the photocured cross-linked shell of fluorochemical monomer.This new technology efficiently prepares the method for material in conjunction with Electrospun and photopolymerization two kinds, and completes in same process unlike two kinds of technology with reporting in the past.This novel nano fiber has had the excellent properties of polymer fiber and fluorine material concurrently, improve performance, widened its Application Areas, especially the automatically cleaning characteristic of fluorofibre super-hydrophobic/oleophobic makes this fabric nonwoven cloth have higher medical value as in wound dressing etc.
Description
Technical field
The present invention relates to a kind of preparation method of nanofiber of functionalized macromolecular nucleocapsid structure, belong to functionalized nano-fiber preparation field.
Background technology
Electric spinning device forms primarily of three parts: high voltage source, with sump assemblies and the collector of conductive spinneret.Its maximum feature of the nanofiber obtained by Electrospun be exactly diameter range generally at 3nm-5um, the fibre diameter little several order of magnitude more obtained than conventional method.Because electrospinning fibre nonwoven fabric porosity is high, specific area large (being more than 1000 times of conventional fibre), fiber fine degree and homogeneity high, the bionic performance that draw ratio is large and good, makes it carry at bioengineered tissue support, medicine to release, prepared by wound reparation and catalytic carrier and filter media material etc., and there is higher using value in field.
Photopolymerization has the advantage such as curing rate fast (thus production efficiency is high), of low pollution, energy-conservation, cured product excellent performance, is a kind of eco-friendly green technology.Owing to having above advantage, this technology has been widely used in coating, ink, adhesive, the fields such as biomaterial.
Nuclear shell structure nano fiber be with a size at the polymer spun fibers of micron to nano grade for core, a kind of compound heterogeneous structure formed at its Surface coating number layer even film.Be connected by physics or chemical action between core with shell.The shell being coated on outside can change and give the character such as new optical, electrical, the magnetic of stratum nucleare fiber, catalysis, biologically active.In a lot of fields, such as catalyst, medicine and bioengineering, pharmaceutical carrier, there is important using value the aspects such as device for non-linear optical to core-shell structured nanomaterials.The nano-composite fiber of usual core/shell structure has four kinds of preparation methods: chemical application method, surface chemistry combined techniques, blended method of electrostatic spinning, coaxial electrostatic spinning method.The new technology that the present invention will adopt blended electrostatic spinning and photocuring technology to combine, prepares the hud typed functionalized nano-fiber of fluorine-contained surface.
Fluoropolymer nuclear shell structure nano fiber, it has had the functional of general polymerization fibres character and fluorine element concurrently.The characteristic that conventional material do not have can be obtained by the combination of polymer fiber and fluorine-containing shell.Fluorine is the element that in the periodic table of elements, atomic radius is minimum in addition to hydrogen, and the bond energy of the C-F covalent bond of formation is very large, and bond distance is short, has extremely strong protective effect to main chain.This special structure imparts the performance of fluoropolymer uniqueness, as low-surface-energy, weatherability, oil resistivity, chemical-resistant, heat endurance and pollution resistance.Fluorine element can also improve the biologically active of some chemicals.The present invention utilizes fluorinated monomer and initator to have low-surface-energy, and to the feature that fiber surface moves, while electrostatic spinning, apply ultraviolet light cause fluorochemical monomer polymerization, prepare the functional shell layer fiber of fluorine-contained surface, this tunica fibrosa is super-hydrophobic/and the automatically cleaning characteristic of oleophobic makes this fabric nonwoven cloth have higher medical value as in wound dressing etc.
Summary of the invention
The object of the invention is to prepare a kind of nuclear shell structure nano fiber showing enrichment fluorine element, its principle is as follows: by fluorine-containing light trigger and fluorochemical monomer and electrospun polymer blended, regulate suitable solvent, in spinning process, utilize the difference of Small molecular fast transferring and surface energy to make fluorine element be enriched in fiber surface.
To achieve these goals, the present invention adopts following concrete implementation step:
1) preparation of Electrospun solution: compound concentration is the polymer solution of 7wt% ~ 20wt%, after it dissolves completely, to add in polymer solution, for Electrospun after it dissolves completely relative to polymer content 5wt% ~ 10wt% fluorine-containing photoinitiator and 5wt% ~ 10wt% fluorochemical monomer in darkroom;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation, surface is moved to due to fluorine-containing initator and the low surface energy of fluorochemical monomer, the spontaneous phase-splitting of polymer solution, light-initiated fluorochemical monomer polymerization in slenderizing solvent evaporates process in polymer solution electric field, reaches Electrospun and photopolymerization is synchronous.Arrange spinning voltage 10 ~ 20kv, spinning mouth is 15 ~ 25cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.2 ~ 0.8ml/h.
Above-mentioned steps 1) in polymer solution be DMF (DMF) solution of polyacrylonitrile (PAN), the DMF/CH of PLA (PLA)
2cl
2volume ratio is 1:1 double solvents solution, polyethylene glycol oxide (PEO
20) DMF/CH
2cl
2volume ratio is 1:1 double solvents solution.
Above-mentioned steps 1) in the molecular weight of polyacrylonitrile (PAN) be 20,000g/mol, polylactic acid PLA molecular weight is 20,000g/mol, and polyethylene glycol oxide molecular weight is 20,000g/mol(PEO
20).
Above-mentioned steps 1) in fluorine-containing photoinitiator be F-1173.
Above-mentioned steps 1) in fluorochemical monomer be trifluoroethyl methacrylate, Hexafluorobutyl mathacrylate, ten difluoro heptyl methacrylates.
Innovative point of the present invention is:
1) separate from Electrospun and situ-formed graft in the past and carry out different, Electrospun and photopolymerization combine by the present invention, achieve and synchronously carry out, and have prepared nuclear shell structure nano fiber.
2) utilize fluorinated monomer and the low surface tension of initator, to the feature of surface migration, polymer solution and fluorine-containing photoinitiator, fluorochemical monomer can spontaneous phase-splittings, easily form nucleocapsid structure.
3) dual property of polymer and fluorine element taken into account by the fiber of the inventive method gained, good biocompatibility, and the automatically cleaning characteristic of especially super-hydrophobic/oleophobic makes this fabric nonwoven cloth have higher medical value as in wound dressing etc.
Accompanying drawing explanation
Fig. 1 the present invention is by the PAN nanofiber scanning electron microscope (SEM) photograph of the fluorine-contained surface prepared by embodiment 1.
Detailed description of the invention
Embodiment 1
1) preparation of Electrospun solution: compound concentration is the molecular weight of 20wt% is 20, the N of 000g/mol polyacrylonitrile (PAN), dinethylformamide (DMF) solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 5wt% and 10wt% fluorochemical monomer trifluoroethyl methacrylate in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 20kv, spinning mouth is 25cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.8ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.Its scanning electron microscope (SEM) photograph is as figure mono-.
Embodiment 2
1) preparation of Electrospun solution: compound concentration is the molecular weight of 15wt% is 20, the N of 000g/mol polyacrylonitrile (PAN), dinethylformamide (DMF) solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 7wt% and 7wt% fluorochemical monomer trifluoroethyl methacrylate in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 15kv, spinning mouth is 20cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.6ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 3
1) preparation of Electrospun solution: compound concentration is the molecular weight of 10wt% is 20, the N of 000g/mol polyacrylonitrile (PAN), dinethylformamide (DMF) solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 6wt% and 6wt% fluorochemical monomer trifluoroethyl methacrylate in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 13kv, spinning mouth is 18cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.4ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 4
1) preparation of Electrospun solution: compound concentration is the molecular weight of 7wt% is 20, the N of 000g/mol polyacrylonitrile (PAN), dinethylformamide (DMF) solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 10wt% and 5wt% fluorochemical monomer trifluoroethyl methacrylate in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 10kv, spinning mouth is 15cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.2ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 5
1) preparation of Electrospun solution: compound concentration is the molecular weight of 10wt% is 20, the N of 000g/mol polyacrylonitrile (PAN), dinethylformamide (DMF) solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 5wt% and 10wt% fluorochemical monomer Hexafluorobutyl mathacrylate in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 15kv, spinning mouth is 20cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.3ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 6
1) preparation of Electrospun solution: compound concentration is the molecular weight of 7wt% is 20, the N of 000g/mol polyacrylonitrile (PAN), dinethylformamide (DMF) solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 7wt% and 10wt% fluorochemical monomer ten difluoro heptyl methacrylates in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 15kv, spinning mouth is 20cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.5ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 7
1) preparation of Electrospun solution: the DMF/CH of compound concentration to be the molecular weight of 10wt% be 20,000g/mol PLA (PLA)
2cl
2volume ratio is 1:1 double solvents solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 8wt% and 8wt% fluorochemical monomer trifluoroethyl methacrylate in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 17kv, spinning mouth is 22cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.8ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 8
1) preparation of Electrospun solution: the DMF/CH of compound concentration to be the molecular weight of 15wt% be 20,000g/mol PLA (PLA)
2cl
2volume ratio is 1:1 double solvents solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 6wt% and 7wt% fluorochemical monomer Hexafluorobutyl mathacrylate in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 15kv, spinning mouth is 20cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.6ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 9
1) preparation of Electrospun solution: the DMF/CH of compound concentration to be the molecular weight of 8wt% be 20,000g/mol PLA (PLA)
2cl
2volume ratio is 1:1 double solvents solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 5wt% and 10wt% fluorochemical monomer ten difluoro heptyl methacrylates in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 10kv, spinning mouth is 15cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.4ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 10
1) preparation of Electrospun solution: compound concentration is the molecular weight of 20wt% is 20,000g/mol polyethylene glycol oxide (PEO
20) DMF/CH
2cl
2volume ratio is 1:1 double solvents solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 9wt% and 9wt% fluorochemical monomer trifluoroethyl methacrylate in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 20kv, spinning mouth is 25cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.8ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 11
1) preparation of Electrospun solution: compound concentration is the molecular weight of 17wt% is 20,000g/mol polyethylene glycol oxide (PEO
20) DMF/CH
2cl
2volume ratio is 1:1 double solvents solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 7wt% and 8wt% fluorochemical monomer Hexafluorobutyl mathacrylate in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 15kv, spinning mouth is 20cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.6ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Embodiment 12
1) preparation of Electrospun solution: compound concentration is the molecular weight of 10wt% is 20,000g/mol polyethylene glycol oxide (PEO
20) DMF/CH
2cl
2volume ratio is 1:1 double solvents solution, after it dissolves completely, by adding in polymer solution for the fluorine-containing photoinitiator F-1173 of polymer content 10wt% and 5wt% fluorochemical monomer ten difluoro heptyl methacrylates in darkroom, after it dissolves completely, obtain Electrospun solution;
2) preparation of nuclear shell structure nano fiber: the Electrospun solution prepared by step 1) is carried out Electrospun under UV-irradiation.Arrange spinning voltage 10kv, spinning mouth is 15cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.2ml/h.The core-shell nano fiber of fluorine-contained surface is prepared by Electrospun and photopolymerization.
Claims (5)
1. there is a preparation method for the nuclear shell structure nano fiber of the fluorine-contained surface of super-hydrophobic/oleophobic function, it is characterized in that comprising the following steps:
1) preparation of Electrospun solution: compound concentration is the polymer solution of 7wt% ~ 20wt%, after it dissolves completely, to add in polymer solution, for Electrospun after it dissolves completely relative to polymer content 5wt% ~ 10wt% fluorine-containing photoinitiator and 5wt% ~ 10wt% fluorochemical monomer in darkroom;
2) preparation of nuclear shell structure nano fiber: by step 1) prepared by Electrospun solution under UV-irradiation, carry out Electrospun, spinning voltage 10 ~ 20kv is set, spinning mouth is 15 ~ 25cm to the distance of recipient, and spinning mouth diameter is 1.0mm, flow control 0.2 ~ 0.8ml/h.
2. preparation method according to claim 1, is characterized in that above-mentioned steps 1) in fluorine-containing photoinitiator be
。
3. preparation method according to claim 1, is characterized in that above-mentioned steps 1) in polymer solution be the DMF solution of polyacrylonitrile, the DMF/CH of PLA
2cl
2volume ratio is the DMF/CH of 1:1 double solvents solution and polyethylene glycol oxide
2cl
2volume ratio is 1:1 double solvents solution.
4. preparation method according to claim 3, it is characterized in that the molecular weight of polyacrylonitrile (PAN) used is 20,000g/mol, polylactic acid PLA molecular weight used is 20,000g/mol, and polyethylene glycol oxide PEO molecular weight used is 20,000g/mol.
5. preparation method according to claim 1, is characterized in that above-mentioned steps 1) fluorochemical monomer is trifluoroethyl methacrylate, Hexafluorobutyl mathacrylate, ten difluoro heptyl methacrylates.
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102268745A (en) * | 2011-06-17 | 2011-12-07 | 北京化工大学常州先进材料研究院 | Method for preparing porous polyacrylonitrile (PAN) nano fibres by electrospinning method |
CN102605466A (en) * | 2012-03-02 | 2012-07-25 | 北京化工大学 | Preparation method of natural polyelectrolyte-based core-shell structured nano-fiber |
CN102828275A (en) * | 2012-08-28 | 2012-12-19 | 北京化工大学常州先进材料研究院 | Low-polylactic acid-beta-cyclodextrin and polylactic acid blended nano-fiber prepared by electrospinning |
CN102912472A (en) * | 2012-11-07 | 2013-02-06 | 北京化工大学 | Method for preparing electrospinning nanofiber with surface photosensitive activity |
CN103122583A (en) * | 2013-01-31 | 2013-05-29 | 北京化工大学常州先进材料研究院 | Preparation method of novel amphiphilic nano fiber having core-shell structure |
CN103304943A (en) * | 2013-05-30 | 2013-09-18 | 玖青涂料(上海)有限公司 | Core-shell fluorine-containing acrylate water-based emulsion with rust, and preparation method and use thereof |
CN103396520A (en) * | 2013-08-05 | 2013-11-20 | 陕西科技大学 | Core-shell structure nanometer titanium dioxide/ fluorine-containing polyacrylate soap-free composite emulsion and preparation method thereof |
-
2014
- 2014-01-03 CN CN201410003978.3A patent/CN103757742B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102268745A (en) * | 2011-06-17 | 2011-12-07 | 北京化工大学常州先进材料研究院 | Method for preparing porous polyacrylonitrile (PAN) nano fibres by electrospinning method |
CN102605466A (en) * | 2012-03-02 | 2012-07-25 | 北京化工大学 | Preparation method of natural polyelectrolyte-based core-shell structured nano-fiber |
CN102828275A (en) * | 2012-08-28 | 2012-12-19 | 北京化工大学常州先进材料研究院 | Low-polylactic acid-beta-cyclodextrin and polylactic acid blended nano-fiber prepared by electrospinning |
CN102912472A (en) * | 2012-11-07 | 2013-02-06 | 北京化工大学 | Method for preparing electrospinning nanofiber with surface photosensitive activity |
CN103122583A (en) * | 2013-01-31 | 2013-05-29 | 北京化工大学常州先进材料研究院 | Preparation method of novel amphiphilic nano fiber having core-shell structure |
CN103304943A (en) * | 2013-05-30 | 2013-09-18 | 玖青涂料(上海)有限公司 | Core-shell fluorine-containing acrylate water-based emulsion with rust, and preparation method and use thereof |
CN103396520A (en) * | 2013-08-05 | 2013-11-20 | 陕西科技大学 | Core-shell structure nanometer titanium dioxide/ fluorine-containing polyacrylate soap-free composite emulsion and preparation method thereof |
Non-Patent Citations (1)
Title |
---|
《电纺丝法制备含氟聚合物核壳结构纳米纤维膜》;王美策等;《2013年中国化工学会年会论文集》;20130923;摘要第4-6行 * |
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