CN107326454B - A kind of method of electrostatic spinning preparation auxetic nano-fibre yams - Google Patents
A kind of method of electrostatic spinning preparation auxetic nano-fibre yams Download PDFInfo
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- CN107326454B CN107326454B CN201710435880.9A CN201710435880A CN107326454B CN 107326454 B CN107326454 B CN 107326454B CN 201710435880 A CN201710435880 A CN 201710435880A CN 107326454 B CN107326454 B CN 107326454B
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- Prior art keywords
- auxetic
- nano
- fibre yams
- electrostatic spinning
- fibre
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Classifications
-
- 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
Abstract
The invention discloses a kind of methods of electrostatic spinning preparation auxetic nano-fibre yams, which is characterized in that high polymeric solution or high polymer melt liquid are obtained 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 removed into simultaneously 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 the serialization of auxetic nano-fibre yams, prepare with scale, improve the production efficiency of auxetic nano-fibre yams；The auxetic yarn texture of preparation is stablized, and can be used for the fields such as clothes, super hydrophobic material, filtering material, bio-medical, organizational project, photoelectric material, surge guard, sensor, composite material.
Description
Technical field
The present invention relates to a kind of methods of electrostatic spinning preparation auxetic nano-fibre yams, and in particular to a kind of to utilize electrostatic
The method that spinning prepares auxetic nano-fibre yams, belongs to textile garment auxetic structure field of material technology.
Background technique
Nanofiber not only has many advantages, such as the characteristics such as specific surface area height, and there are also good mechanical stability, fiber continuity are good.
Its application has been directed to the fields such as filtering, separation, sound absorption, 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 material, organizational project and microelectronic component, oriented nanofibers beam and its twisting
Resulting nano-fibre yams are only the final developing direction that nanofiber moves towards application afterwards.
It is many for the research of nano-fibre yams about 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 (preparation method of a kind of electro-spun nanofiber yarn system and nano-fibre yams).It closes in recent years
The improvement of boundling and twister, including nozzle twisting method (what are essentially consisted in electro-spun nanofiber yarn systematic research
It builds new；The jet spun yarn device and preparation method patent of invention number of a kind of electrostatic spinning nano fiber of the such as Cui Shizhong
CN201210207250.3), metal circular target method (Qin little Hong；A kind of orientation electro-spun nanofiber yarn of Wu Shaohua is continuously made
For 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 friction of spinning nano fibre is at yarn feeding device and preparation method patent of invention CN201510545647.7), annulus receive
Collection method (Niu Haitao；Zhao Xiaoli change type electro-spun nanofiber yarn preparation facilities and preparation method thereof patent of invention number
CN201510149182.3), hollow rotating collecting method (Niu Haitao；Zhao Xiaoli rotating collector prepares 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；It congratulates
The preparation method patent of invention number of a kind of electrostatic spinning nano fiber yarn feeding device of the such as naval and nano fibre yarn
CN201610130682.7), (Wei takes good fortune to rotating centrifugal column method；A kind of one-step shaping preparation nano-fibre yams of the such as Lv Pengfei
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, so that it is had other performance, can only pass through rear place
The modes such as modified are managed, cost is significantly increased.
Negative poisson's ratio property is one of anti-convention characteristic of material, and material is made to have property, has negative poisson's ratio
The material of matter is otherwise known as auxetic materials, referred to as one of 21 century intellectual material, at present existing auxetic yarn prepare it is main
It is shaped using traditional positive Poisson's ratio long filament by helical structure, makes it when being acted on by axial tension, filament component is due to modulus
Different and lead to structure change, location swap, the apparent diameter for showing as yarn increases, and such as authorizes the Uses of Hook
Ofauxetic fibres (United States Patent (USP), patent of invention U.S.2011/8002879B2), the one kind for authorizing Hu Hong et al. are negative
Poisson's ratio yarn texture and its manufacturing method (patent of invention CN201210212844.3).And its product can also be used for traditional spinning
It knits, such as Hu Hongjiao in 2016 awards a kind of disclosed negative poisson's ratio woven fabric and manufacturing method (invention patent publication number
CN106149150A), repeat fabric construction unit by minimum to repeat to form, 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 its plane one or more direction, 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), it can be used for filtering, such as authorize the Filtering face- of Martin et al.
Piece respirator having an auxetic mesh in the mask body (United States Patent (USP), patent of invention number
U.S.2015/8967147B2), it can be used for surge guard, such as authorize the Blast control blanket (beauty of Rossow et al.
State's patent, patent of invention U.S.2016/0040962A1), authorize the Seating unit with of Eberlein et al.
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.
Summary of the invention
The problem to be solved by the invention is to provide a kind of preparation method of nano-fibre yams with stretching property, preparations
Nano-fibre yams can use as super hydrophobic material.
To solve the above-mentioned problems, the present invention provides a kind of electrostatic spinning preparation auxetic nano-fibre yams method,
Characterized by comprising the following steps:
Step 1): high polymeric solution or high polymer melt liquid are obtained by electrostatic force spinning by micro-nano 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
The selection of material A on the bar of lines, the hole between the bar of auxetic lines are hollow out or the selection of material B, wherein materials A is with material B
The material of the materials of different conductivities 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 removed simultaneously from auxetic structure collection device
Boundling；
Step 3): micro nanometer fiber film is post-processed, and to improve interfibrous frictional behaviour, improves auxetic Nanowire
It ties up the mechanical property of yarn or assigns its function.
Preferably, the mode of electrostatic spinning uses single needle hair style, spininess hair style or needle-free in the step 1).
Preferably, the collection method of micro nanometer fiber is collected using dry collection or wet process in the step 1).
It is highly preferred that the wet process is collected as bath foam collecting method.
Preferably, micro nanometer fiber film carries out shaping with stabilization it by ancillary equipment before boundling in the step 2)
Auxetic structure.
Preferably, the mode of boundling is annulus boundling, hollow rotating cylinder boundling, lever jack boundling, metal in the step 2)
Circular boundling or with traction fiber boundling.
Preferably, the micro nanometer fiber film in the step 2) with auxetic structure is referred to through stretching, bending, rotation
Turn, translation, the deformation mechanisms such as hinged act on the pattern or structure to form auxetic effect, for two dimension or three-dimensional auxetic structure.
Preferably, the auxetic structure of the micro nanometer fiber film is indent honeycomb, star network, indent diamond shape, positive 12
Face body, triangle grid, center rotation rectangle, center rotary triangle shape, center rotation tetrahedron, chiral honeycomb, center rotation are more
Any one or the combination of several of them in face body, hinged hexagon, articulated quadrilateral and hinged triangle.
Preferably, postprocessing working procedures are twisted using mechanical twisting, false twisting, air in the step 3), vortex is twisted, 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 both the characteristic of nanofiber.
The principle of the invention lies in led high polymeric solution or high polymer melt liquid by electric field force by high voltage electric field
Draw in 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 that different conductivities are selected on the bar of auxetic lines or different magnetic conductivities is crossed, and between auxetic lines
Hole selects the material for the different conductivities being different from the bar of auxetic lines or the material or common material of different magnetic conductivities
Expect the controllable deposition, it can be achieved that 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 is post-processed by boundling, not only increases its mechanical property
With its function of imparting, the auxetic structure before fibrinogen aggregate boundling is also maintained, to have 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 stable structure of line, deformation is not too big, and can restore after external force removal.
Compared with prior art, the beneficial effects of the present invention are:
1. the method for the present invention uses once-forming method, do not need post-process etc. secondary process and can be made to have
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
Deformed recovery capability is kept with lower, the characteristic for keeping nano material exclusive 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 stable structure, 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 material, 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.
Detailed description of the invention
Fig. 1 is the schematic diagram of chirality honeycomb two dimension auxetic structure micro nanometer fiber film made from embodiment 1；
Fig. 2 is the schematic diagram of the two-dimentional auxetic structure of sine 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 is the schematic diagram of double-head arrow three-dimensional auxetic structure made from embodiment 7；
Fig. 7 b is the partial enlarged view of the part I in Fig. 7 a.
Specific embodiment
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
The method that embodiment 1-7 is all made of a kind of electrostatic spinning preparation auxetic nano-fibre yams provided by the invention, institute
State method the following steps are included:
(a) preparation of auxetic structure collection device；
(b) high polymeric solution or high polymer melt liquid are spun by electrostatic force traction by micro-nano fibre using high voltage electric field
It ties up film and collects on auxetic structure collection device prepared by (a)；
(c) the micro nanometer fiber film with auxetic structure for being collected into (b) is removed 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
It ties up the mechanical property of yarn or assigns its function.
The present invention can be used for the serialization of auxetic nano-fibre yams, prepare with scale, improve auxetic nano-fibre yams
Production efficiency；The auxetic yarn texture of preparation is stablized, and can be used for clothes, super hydrophobic material, filtering material, bio-medical, group
The fields such as weaver's journey, photoelectric material, surge guard, sensor, composite material are used especially for super hydrophobic material field.
Embodiment 1
Use polyamide 6 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 process collection deposit fiber, auxetic structure pattern selects chiral honeycomb, later plus auxiliary
Help drier dry, the nanometer fiber net (as shown in Figure 1) deposited using metal circular target boundling is finally twisted using air
At auxetic nano-fibre yams.
Embodiment 2
Use polyurethanes for raw material, the bar selection copper wire of the auxetic structure pattern on auxetic structure collection device,
Hole is aluminium wire, Multi needle Static Spinning, dry collection deposit fiber, the sinusoidal two-dimentional auxetic knot of auxetic structure pattern selection between bar
Structure, the nanometer fiber net (as shown in Figure 2) deposited using metal circular target boundling are finally twisted using air into auxetic Nanowire
Tie up yarn.
Embodiment 3
Raw material uses terylene, and the bar of the auxetic structure pattern on auxetic structure collection device selects copper wire, and hole is between bar
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 at auxetic nano-fibre yams.
Embodiment 4
Use polyacrylonitrile 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, needle-less Static Spinning, dry collection deposit fiber, and auxetic structure pattern selects double-head arrow auxetic structure, is adopted
The nanometer fiber net (as shown in Figure 4) deposited with metal circular target boundling, finally using friction twisting at auxetic nano fibre yarn
Line.
Embodiment 5
Use polypropylene 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 select Star Network
Structure, the nanometer fiber net (as shown in Figure 5) deposited using annulus boundling finally form auxetic nano fibre yarn using false twisting
Line.
Embodiment 6
Use polyvinyl alcohol 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 select indent hexagon cellular (such as Fig. 6 institute
Show), the nanometer fiber net deposited using annulus boundling, finally using mechanical twisting at auxetic nano-fibre yams.
Embodiment 7
Use polylactic acid 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, needle-less Static Spinning, dry collection deposit fiber, and auxetic structure pattern selects double-head arrow three-dimensional auxetic structure, is adopted
The nanometer fiber net (as shown in Fig. 7 a, 7b) deposited with metal circular target boundling is finally twisted using air into auxetic Nanowire
Tie up yarn.
Claims (9)
1. a kind of method of electrostatic spinning preparation auxetic nano-fibre yams, which comprises the following steps:
Step 1): high polymeric solution or high polymer melt liquid are obtained by electrostatic force spinning by micro-nano fibre using high voltage electric field
It ties up film and collects 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 conductivity 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 removed into union from auxetic structure collection device
Beam；
Step 3): micro nanometer fiber film is post-processed, and to improve interfibrous frictional behaviour, improves auxetic nano fibre yarn
The mechanical property of line assigns its function.
2. the method for electrostatic spinning preparation auxetic nano-fibre yams as described in claim 1, which is characterized in that the step
1) mode of electrostatic spinning uses single needle hair style, spininess hair style or needle-free in.
3. the method for electrostatic spinning preparation auxetic nano-fibre yams as described in claim 1, which is characterized in that the step
1) collection method of micro nanometer fiber is collected using dry collection or wet process in.
4. the method for electrostatic spinning preparation auxetic nano-fibre yams as claimed in claim 3, which is characterized in that the wet process
It is collected as bath foam collecting method.
5. the method for electrostatic spinning preparation auxetic nano-fibre yams as described in claim 1, which is characterized in that the step
2) micro nanometer fiber film carries out shaping it by ancillary equipment to stablize auxetic structure before boundling in.
6. the method for electrostatic spinning preparation auxetic nano-fibre yams as described in claim 1, which is characterized 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 for electrostatic spinning preparation auxetic nano-fibre yams as described in claim 1, which is characterized in that the step
2) the micro nanometer fiber film in auxetic structure is two dimension or three-dimensional auxetic structure.
8. the method for electrostatic spinning preparation auxetic nano-fibre yams as claimed in claim 7, which is characterized in that the micro-nano
The auxetic structure of rice tunica fibrosa is indent honeycomb, star network, indent diamond shape, regular dodecahedron, triangle grid, center spin moment
In shape, center rotary triangle shape, chiral honeycomb, center polygonal, hinged hexagon, articulated quadrilateral and hinged triangle
Any one or the combination of several of them.
9. the method for electrostatic spinning preparation auxetic nano-fibre yams as described in claim 1, which is characterized 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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| 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 |
| CN110984416B (en) * | 2019-12-18 | 2021-06-11 | 青岛理工大学 | Negative Poisson ratio structure with three-dimensional characteristic and combination method thereof |
| CN111950095B (en) * | 2020-07-09 | 2024-02-23 | 中山大学 | Three-dimensional multicellular structure with adjustable poisson ratio and thermal expansion coefficient |
| US11771183B2 (en) | 2021-12-16 | 2023-10-03 | Joon Bu Park | Negative Poisson's ratio materials for fasteners |
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| CN1360096A (en) * | 2000-12-20 | 2002-07-24 | 赫马特罗公司 | Electrostatic spinning method for making starch filament for flexible structure |
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| CN101302673A (en) * | 2008-05-22 | 2008-11-12 | 西安工程大学 | Electrostatic spinning nano-fibre yarn system and preparation of nano-fiber yarn |
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| CN103214728A (en) * | 2012-01-19 | 2013-07-24 | 中国科学院化学研究所 | Bionic negative-Poisson's ratio material and preparation method thereof |
| CN104947211A (en) * | 2015-05-27 | 2015-09-30 | 西安工程大学 | Film-slitting method electrostatic spinning continuous nanofiber yarn device and nanofiber yarn preparing method |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7252870B2 (en) * | 2003-12-31 | 2007-08-07 | Kimberly-Clark Worldwide, Inc. | Nonwovens having reduced Poisson ratio |
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|---|---|---|---|---|
| CN1360096A (en) * | 2000-12-20 | 2002-07-24 | 赫马特罗公司 | Electrostatic spinning method for making starch filament for flexible structure |
| CN101037809A (en) * | 2007-04-02 | 2007-09-19 | 苏州大学 | Continuously static spinning method of polyamide 6/66 copolymer filament yarn |
| CN101302673A (en) * | 2008-05-22 | 2008-11-12 | 西安工程大学 | Electrostatic spinning nano-fibre yarn system and preparation of nano-fiber yarn |
| GB2463930A (en) * | 2008-10-01 | 2010-04-07 | Global Composites Group Ltd | Auxetic monofilaments |
| CN103214728A (en) * | 2012-01-19 | 2013-07-24 | 中国科学院化学研究所 | Bionic negative-Poisson's ratio material and preparation method thereof |
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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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