CN107326454A - A kind of method that electrostatic spinning prepares auxetic nano-fibre yams - Google Patents
A kind of method that electrostatic spinning prepares auxetic nano-fibre yams Download PDFInfo
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- CN107326454A CN107326454A CN201710435880.9A CN201710435880A CN107326454A CN 107326454 A CN107326454 A CN 107326454A CN 201710435880 A CN201710435880 A CN 201710435880A CN 107326454 A CN107326454 A CN 107326454A
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- Prior art keywords
- auxetic
- nano
- fibre yams
- electrostatic spinning
- prepares
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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
-
- 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
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a kind of method that electrostatic spinning prepares auxetic nano-fibre yams, it is characterised in that high polymeric solution or high polymer melt liquid are obtained into micro nanometer fiber film by electrostatic force spinning using high voltage electric field and collected on auxetic structure collection device;The material that hole on the auxetic structure collection device on the bar of auxetic lines between bar is selected is different;The micro nanometer fiber film with auxetic structure being collected into is peeled off and boundling from auxetic structure collection device;Micro nanometer fiber film is post-processed, to improve interfibrous frictional behaviour, the mechanical property of auxetic nano-fibre yams is improved or assigns its function.The present invention can be used for serialization, the prepare with scale of auxetic nano-fibre yams, improve the production efficiency of auxetic nano-fibre yams;The auxetic yarn texture of preparation is stable, available for fields such as clothes, super hydrophobic material, filtering material, bio-medical, organizational project, photoelectric material, surge guard, sensor, composites.
Description
Technical field
The present invention relates to a kind of method that electrostatic spinning prepares auxetic nano-fibre yams, and in particular to one kind utilizes electrostatic
The method that spinning prepares auxetic nano-fibre yams, belongs to textile garment auxetic structure field of material technology.
Background technology
Nanofiber not only has a characteristic such as specific surface area height, also good mechanical stability, the advantages of fiber continuity is good.
The fields such as its application has been directed to filter, separates, absorbs sound, the energy, organizational project, biomedicine, sensor.But from textile material,
From the point of view of the application requirement in the fields such as composite, organizational project and microelectronic component, oriented nanofibers beam and its twisting
The nano-fibre yams of gained are only the final developing direction that nanofiber moves towards application afterwards.
It is many for the research of nano-fibre yams on electro-spinning at present, as authorized Zhu Meifang et al.
CN200710044034.0 (a kind of continuous preparation method of ultra-fine electrostatic spinning fibre yarn), Sun Runjun's et al.
CN200810018267.8 (a kind of preparation method of electro-spun nanofiber yarn system and nano-fibre yams).Close in recent years
The improvement of boundling and twister, including nozzle twisting method (what are essentially consisted in electro-spun nanofiber yarn systematic research
Build new;The jet spun yarn device and preparation method patents of invention number of a kind of electrostatic spinning nano fibers of the such as Cui Shizhong
CN201210207250.3), metal circular target method (Qin little Hong;Wu Shaohua one kind orientation electro-spun nanofiber yarns are continuously made
Standby device and method patent of invention CN201310058070.8), jet rubbing manipulation (Hopkinson, John Edmund;A kind of electrostatic of such as all jade Man
The multiply jet of spinning nano fibre rubs into yarn feeding device and preparation method patent of invention CN201510545647.7), annulus receive
Collection method (Niu Haitao;Zhao Xiao profit change type electro-spun nanofiber yarn preparation facilities and preparation method thereof patents of invention number
CN201510149182.3), hollow rotating collecting method (Niu Haitao;Zhao Xiao profit rotating collectors prepare electrostatic spinning nano fiber yarn
Line apparatus and preparation method thereof patent of invention CN201510148744.2), band draught line and false-twisting device method (Liu Chengkun;Congratulate
The preparation method patents of invention number of a kind of electrostatic spinning nano fiber yarn feeding devices of the such as naval and nano fibre yarn
CN201610130682.7), (Wei takes good fortune to rotating centrifugal post method;A kind of one-step shapings of the such as Lv Pengfei prepare nano-fibre yams
High speed centrifugation spinning equipment and nano-fibre yams preparation method patent of invention CN201610308336.3).Though the above method can
To prepare nano-fibre yams, but its function is mainly provided by nanofiber, it is possessed other performance, can only pass through rear place
The mode such as modified is managed, cost is significantly increased.
Negative poisson's ratio property is one of anti-convention characteristic of material, material is possessed property, with negative poisson's ratio
The material of matter is otherwise known as auxetic materials, is referred to as one of 21 century intellectual material, preparing for auxetic yarn is had at present main
Shaped using traditional positive Poisson's ratio long filament by helical structure, make it when being acted on by axial tension, filament component is due to modulus
Different and cause structure change, location swap shows as the apparent diameter increase of yarn, such as authorizes Hook Uses
Ofauxetic fibres (United States Patent (USP), patent of invention U.S.2011/8002879B2), one kind for authorizing Hu Hong et al. is born
Poisson's ratio yarn texture and its manufacture method (patent of invention CN201210212844.3).And its product can also be used for traditional spinning
Knit, such as Hu Hongjiao in 2016 awards a kind of disclosed negative poisson's ratio woven fabric and manufacture method (patent of invention publication number
CN106149150A), repeat fabric construction unit by minimum to repeat to constitute, unit is interweaved jointly by warp thread and weft yarn to be constituted, most
It is small repeat fabric construction unit shape and structure be interior concave polygon, rotating polygon, star honeycomb, crosslinking polygon or
Person's indent foldable structure, makes woven fabric that negative poisson's ratio or zero effects of Poisson's ratio be presented on the one or more directions of its plane, can
For dressing, such as authorize Blakely et al. Articles ofapparel with auxetic fabrics (United States Patent (USP),
Patent of invention U.S.2014/0109286A1), available for filtering, such as authorize Martin et al. Filtering face-
Piece respirator having an auxetic mesh in the mask body (United States Patent (USP), patent of invention number
U.S.2015/8967147B2), available for surge guard, the Blast control blanket for such as authorizing Rossow et al. are (beautiful
State's patent, patent of invention U.S.2016/0040962A1), authorize Eberlein et al. Seating unit with
Auxetic support (United States Patent (USP), patent of invention U.S.2015/0320220A1) etc., it can be seen that, auxetic materials are used
Way has a extensive future.
The content of the invention
Problem to be solved by this invention is to provide a kind of preparation method of the nano-fibre yams with stretching property, prepares
Nano-fibre yams can be used as super hydrophobic material.
In order to solve the above problems, the invention provides a kind of method that electrostatic spinning prepares auxetic nano-fibre yams,
It is characterised in that it includes following steps:
Step 1):High polymeric solution or high polymer melt liquid are obtained by micro-nano by electrostatic force spinning using high voltage electric field
Rice tunica fibrosa is simultaneously collected on auxetic structure collection device;Auxetic in auxetic structure pattern on the auxetic structure collection device
Hole between the selection of material A on the bar of lines, the bar of auxetic lines is hollow out or the selection of material B, wherein, materials A is with material B
The material of the materials of different conductances or different magnetic conductivities, by the selection of material realize the fiber assembly deposited on bar compared with
Firmly, thicker, highly oriented, engraved structure or the fiber assembly of deposition are more soft, relatively thin, low orientated/disorderly arranged on hole between bar;
Step 2):The micro nanometer fiber film with auxetic structure being collected into is peeled off simultaneously from auxetic structure collection device
Boundling;
Step 3):Micro nanometer fiber film is post-processed, to improve interfibrous frictional behaviour, auxetic Nanowire is improved
Tie up the mechanical property of yarn or assign its function.
Preferably, the step 1) in electrostatic spinning mode use single needle hair style, spininess hair style or needle-free.
Preferably, the step 1) in the collection method of micro nanometer fiber collected using dry collection or wet method.
It is highly preferred that the wet method is collected as body lotion collecting method.
Preferably, the step 2) in micro nanometer fiber film it is shaped for stablizing by auxiliary equipment before boundling
Auxetic structure.
Preferably, the step 2) in boundling mode be annulus boundling, hollow rotating cylinder boundling, lever jack boundling, metal
Circular boundling or with traction fiber boundling.
Preferably, the step 2) in have auxetic structure micro nanometer fiber film be refer to by stretching, bending, rotation
The deformation mechanism such as turn, translate, being hinged and acting on the pattern or structure to form auxetic effect, being two dimension or three-dimensional auxetic structure.
Preferably, the auxetic structure of the micro nanometer fiber film is indent honeycomb, star network, indent rhombus, positive 12
Face body, triangle grid, central rotation rectangle, central rotation triangle, central rotation tetrahedron, chiral honeycomb, central rotation are more
Face body, any one or a few the combination for being hinged hexagon, articulated quadrilateral and being hinged in triangle.
Preferably, the step 3) in postprocessing working procedures using mechanical twisting, false twisting, air twisting, vortex twisting, jet
Friction and chemical bonding process in any one or a few.
Auxetic nano-fibre yams produced by the present invention have stretching property, also have the characteristic of nanofiber concurrently.
The principle of the present invention is to lead high polymeric solution or high polymer melt liquid by electric field force by high voltage electric field
Draw spinning to the auxetic structure collection device with auxetic structure;Auxetic structure pattern on auxetic structure collection device, leads to
The material of the material or different magnetic conductivities on the bar of auxetic lines from different conductances is crossed, and between auxetic lines
Hole is from the material for the different conductances being different from the bar of auxetic lines or the material or common material of different magnetic conductivities
Material, can be achieved the controllable deposition of high polymer fibre, realizes that the fiber assembly deposited on bar is harder, thicker, highly oriented, and between bar
Hole on the fiber assembly that deposits it is more soft, relatively thin, low orientated or disorderly arranged.It is deposited on auxetic structure collection device
High polymer fibre aggregate forms auxetic structure before boundling, is acted on and post-processed by boundling, not only increases its mechanical property
With its function of imparting, the auxetic structure before fibrillation aggregate boundling is also maintained, so as to possess auxetic effect.Again because receiving
Substantially disordered structure in rice fiber deposition process and the fiber effect of tangling in boundling post processing, make auxetic nano fibre yarn
The Stability Analysis of Structures of line, deformation will not be excessive, and can recover after external force removal.
Compared with prior art, the beneficial effects of the present invention are:
1. the inventive method uses once-forming method, it is not necessary to which progress, which such as post-processes at the secondary process, to be had to be made
The functional nano-fiber yarn of auxetic performance;
2. prepared auxetic nano-fibre yams show auxetic effect under auxetic structure effect, the phase interaction between fiber
With the lower recovery capability kept after deformation, the exclusive characteristic of nano material is kept in the presence of nanofiber individual, i.e., simultaneously
In the presence of stablizing auxetic performance and nano material monopolizing characteristic;
3. prepared auxetic nano-fibre yams Stability Analysis of Structures, can be applied to clothes, super hydrophobic material field filtering material,
The fields such as bio-medical, organizational project, photoelectric material, surge guard, sensor, composite, wide market, especially
Super hydrophobic material field;
4. the present invention can be used for serialization, the prepare with scale of auxetic nano-fibre yams.
Brief description of the drawings
Fig. 1 is the schematic diagram of the chiral two-dimentional auxetic structure micro nanometer fiber film of honeycomb made from embodiment 1;
Fig. 2 is the schematic diagram of sinusoidal two-dimentional auxetic structure made from embodiment 2;
Fig. 3 is the schematic diagram of indent hexagon cellular two dimension auxetic structure made from embodiment 3;
Fig. 4 is the schematic diagram of double-head arrow two dimension auxetic structure made from embodiment 4;
Fig. 5 is the schematic diagram of Star Network two dimension auxetic structure made from embodiment 5;
Fig. 6 is the schematic diagram of indent honeycomb three-dimensional auxetic structure made from embodiment 6;
Fig. 7 a are the schematic diagram of double-head arrow three-dimensional auxetic structure made from embodiment 7;
Fig. 7 b are the partial enlarged drawing of I parts in Fig. 7 a.
Embodiment
To become apparent the present invention, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
The method that a kind of electrostatic spinning that embodiment 1-7 is provided using the present invention prepares auxetic nano-fibre yams, institute
The method of stating comprises the following steps:
(a) preparation of auxetic structure collection device;
(b) high polymeric solution or high polymer melt liquid are spun by micro-nano fibre by electrostatic force traction using high voltage electric field
Tie up film and collect on the auxetic structure collection device prepared at (a);
(c) the micro nanometer fiber film with auxetic structure that (b) is collected into is peeled off simultaneously from auxetic structure collection device
Boundling;
(d) it will be handled after micro nanometer fiber film boundling, to improve interfibrous frictional behaviour, improve auxetic Nanowire
Tie up the mechanical property of yarn or assign its function.
The present invention can be used for serialization, the prepare with scale of auxetic nano-fibre yams, improve auxetic nano-fibre yams
Production efficiency;The auxetic yarn texture of preparation is stable, available for clothes, super hydrophobic material, filtering material, bio-medical, group
The fields such as weaver's journey, photoelectric material, surge guard, sensor, composite, are used especially for super hydrophobic material field.
Embodiment 1
Polyamide 6 is used for raw material, the bar of the auxetic structure pattern on auxetic structure collection device selects hole between spun gold, bar
Gap is copper wire, and Multi needle Static Spinning, wet method collects deposit fiber, and auxetic structure pattern is afterwards plus auxiliary from chiral honeycomb
Drier is helped to dry, the nanometer fiber net (as shown in Figure 1) deposited using metal circular target boundling is finally twisted using air
Into auxetic nano-fibre yams.
Embodiment 2
Polyurethanes is used for raw material, the bar of the auxetic structure pattern on auxetic structure collection device from copper wire,
Hole is aluminium wire between bar, and Multi needle Static Spinning, dry collection deposit fiber, auxetic structure pattern selects sinusoidal two-dimentional auxetic knot
Structure, the nanometer fiber net (as shown in Figure 2) deposited using metal circular target boundling finally twists into auxetic Nanowire using air
Tie up yarn.
Embodiment 3
Raw material uses the bar of the auxetic structure pattern on terylene, auxetic structure collection device to select the hole between copper wire, bar to be
Stainless steel, single needle Static Spinning, dry collection deposit fiber, auxetic structure pattern selects indent hexagon cellular, using annulus collection
The nanometer fiber net (as shown in Figure 3) of beam deposition, finally using mechanical twisting into auxetic nano-fibre yams.
Embodiment 4
Polyacrylonitrile is used for raw material, the bar of the auxetic structure pattern on auxetic structure collection device is selected between filamentary silver, bar
Hole is stainless steel, and needle-less Static Spinning, dry collection deposit fiber, auxetic structure pattern is selected double-head arrow auxetic structure, adopted
The nanometer fiber net (as shown in Figure 4) deposited with metal circular target boundling, finally using friction twisting into auxetic nano fibre yarn
Line.
Embodiment 5
Polypropylene is used for raw material, the bar of the auxetic structure pattern on auxetic structure collection device selects stainless steel wire, bar
Between hole be polytetrafluoroethylene film, Multi needle Static Spinning, dry collection deposit fiber, auxetic structure pattern selects Star Network
Structure, the nanometer fiber net (as shown in Figure 5) deposited using annulus boundling finally forms auxetic nano fibre yarn using false twisting
Line.
Embodiment 6
Polyvinyl alcohol is used for raw material, the bar of the auxetic structure pattern on auxetic structure collection device is selected between copper wire, bar
Hole hollow out, needle-less Static Spinning, dry collection deposit fiber, auxetic structure pattern is from indent hexagon cellular (such as Fig. 6 institutes
Show), the nanometer fiber net deposited using annulus boundling, finally using mechanical twisting into auxetic nano-fibre yams.
Embodiment 7
PLA is used for raw material, the bar of the auxetic structure pattern on auxetic structure collection device selects hole between filamentary silver, bar
Gap is aluminium wire, and needle-less Static Spinning, dry collection deposit fiber, auxetic structure pattern is adopted from the three-dimensional auxetic structure of double-head arrow
The nanometer fiber net (as shown in Fig. 7 a, 7b) deposited with metal circular target boundling, finally twists into auxetic Nanowire using air
Tie up yarn.
Claims (9)
1. a kind of method that electrostatic spinning prepares auxetic nano-fibre yams, it is characterised in that comprise the following steps:
Step 1):High polymeric solution or high polymer melt liquid are obtained by micro-nano fibre by electrostatic force spinning using high voltage electric field
Tie up film and collect on auxetic structure collection device;Auxetic lines in auxetic structure pattern on the auxetic structure collection device
Bar on the selection of material A, the hole between the bar of auxetic lines is hollow out or the selection of material B, wherein, materials A is different with material B
The material of the material of conductance or different magnetic conductivities, by the selection of material realize the fiber assembly deposited on bar it is harder, compared with
Thick, highly oriented, engraved structure or the fiber assembly of deposition are more soft, relatively thin, low orientated/disorderly arranged on hole between bar;
Step 2):The micro nanometer fiber film with auxetic structure being collected into is peeled off into union from auxetic structure collection device
Beam;
Step 3):Micro nanometer fiber film is post-processed, to improve interfibrous frictional behaviour, auxetic nano fibre yarn is improved
The mechanical property of line assigns its function.
2. the method that electrostatic spinning as claimed in claim 1 prepares auxetic nano-fibre yams, it is characterised in that the step
1) mode of electrostatic spinning uses single needle hair style, spininess hair style or needle-free in.
3. the method that electrostatic spinning as claimed in claim 1 prepares auxetic nano-fibre yams, it is characterised in that the step
1) collection method of micro nanometer fiber is collected using dry collection or wet method in.
4. the method that electrostatic spinning as claimed in claim 3 prepares auxetic nano-fibre yams, it is characterised in that the wet method
It is collected as body lotion collecting method.
5. the method that electrostatic spinning as claimed in claim 1 prepares auxetic nano-fibre yams, it is characterised in that the step
2) micro nanometer fiber film is shaped for stablizing auxetic structure by auxiliary equipment before boundling to it in.
6. the method that electrostatic spinning as claimed in claim 1 prepares auxetic nano-fibre yams, it is characterised in that the step
2) mode of boundling is annulus boundling, hollow rotating cylinder boundling, lever jack boundling, metal circular target boundling or with traction fiber collection in
Beam.
7. the method that electrostatic spinning as claimed in claim 1 prepares auxetic nano-fibre yams, it is characterised in that the step
2) the micro nanometer fiber film with auxetic structure is two dimension or three-dimensional auxetic structure in.
8. the method that electrostatic spinning as claimed in claim 7 prepares auxetic nano-fibre yams, it is characterised in that the micro-nano
The auxetic structure of rice tunica fibrosa is indent honeycomb, star network, indent rhombus, regular dodecahedron, triangle grid, central rotation square
Shape, central rotation triangle, central rotation tetrahedron, chiral honeycomb, central rotation polyhedron, it is hinged hexagon, is hinged four sides
Shape and any one or a few the combination being hinged in triangle.
9. the method that electrostatic spinning as claimed in claim 1 prepares auxetic nano-fibre yams, it is characterised in that the step
3) postprocessing working procedures are using in mechanical twisting, false twisting, air twisting, vortex twisting, jet friction and chemical bonding process in
Any one or a few.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110141683A (en) * | 2019-04-28 | 2019-08-20 | 东华大学 | A kind of ligament implant of tough belt supporting frame, its manufacturing process and its composition |
WO2021120568A1 (en) * | 2019-12-18 | 2021-06-24 | 青岛理工大学 | Negative poisson's ratio structure having three-dimensional characteristics and combination method therefor |
WO2022006920A1 (en) * | 2020-07-09 | 2022-01-13 | 中山大学 | Three-dimensional multi-cell structure with adjustable poisson's ratio and coefficient of thermal expansion |
US11771183B2 (en) | 2021-12-16 | 2023-10-03 | Joon Bu Park | Negative Poisson's ratio materials for fasteners |
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CN106801296A (en) * | 2017-03-06 | 2017-06-06 | 东华大学 | The flexible auxetic fabric and its manufacture method of a kind of adjustable yardstick and shape memory |
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WO2022006920A1 (en) * | 2020-07-09 | 2022-01-13 | 中山大学 | Three-dimensional multi-cell structure with adjustable poisson's ratio and coefficient of thermal expansion |
US11771183B2 (en) | 2021-12-16 | 2023-10-03 | Joon Bu Park | Negative Poisson's ratio materials for fasteners |
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