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WO2006135147A1 - Procédé de fabrication d’un filament continu par électrofilage et filament continu fabriqué grâce à ce procédé - Google Patents

Procédé de fabrication d’un filament continu par électrofilage et filament continu fabriqué grâce à ce procédé Download PDF

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Publication number
WO2006135147A1
WO2006135147A1 PCT/KR2006/000958 KR2006000958W WO2006135147A1 WO 2006135147 A1 WO2006135147 A1 WO 2006135147A1 KR 2006000958 W KR2006000958 W KR 2006000958W WO 2006135147 A1 WO2006135147 A1 WO 2006135147A1
Authority
WO
WIPO (PCT)
Prior art keywords
collector
continuous filament
nozzles
nozzle block
filament
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2006/000958
Other languages
English (en)
Inventor
Hak-Yong Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industry Academic Cooperation Foundation of Chonbuk National University
Original Assignee
Industry Academic Cooperation Foundation of Chonbuk National University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industry Academic Cooperation Foundation of Chonbuk National University filed Critical Industry Academic Cooperation Foundation of Chonbuk National University
Publication of WO2006135147A1 publication Critical patent/WO2006135147A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • D01D5/0061—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/06—Washing or drying
    • 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
    • D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin

Definitions

  • the present invention relates to a method of manufacturing a continuous filament or yarn (hereinafter, commonly referred to as a a continuous filament or yarn (hereinafter, commonly referred to as a a continuous filament or yarn (hereinafter, commonly referred to as a a continuous filament or yarn (hereinafter, commonly referred to as a a continuous filament or yarn (hereinafter, commonly referred to as a a continuous filament or yarn (hereinafter, commonly referred to as a
  • filament by electrospinning and a continuous filament manufactured thereby, and more particularly, to a method of manufacturing a continuous filament which is superior in physical properties and composed of a nano fiber by a continuous procedure by continuously producing a filament superior in drawing properties because of nano fibers well arranged in the filament axis direction, and then putting them in canvas through a traverse movement or continuously drying, drawing, and winding them.
  • the nano fiber refers to a fiber having a fiber diameter 1,000 nm or less, and more preferably, 500 nm or less.
  • a filament composed of a nano fiber can be utilized for artificial leather, filters, diapers, sanitary pads, sutures, antisetting agents, wiping cloths, artificial vessels, bone fixing devices and the like, and in particular, it is very useful for the production of the artificial leather.
  • nano fiber suitable for the production of artificial leather there are
  • polyester and polyamide with different dyeing properties co-exist in a
  • the spinning dope main tank is continuously and constantly fed into a plurality of nozzles, which has a high voltage applied, through a metering pump. Subsequently, the spinning dope fed to the nozzles is spun and collected through the nozzles on a collector of an endless belt type having a high voltage more than 5 kV, thereby producing a fiber web.
  • the conventional electrospinning method can produce only a web or non-woven fabric composed of a nano fiber 1,000 nm or less. Thus, it is difficult to prepare a continuous filament using the conventional electrospinning method.
  • the produced nano fiber web has to be cut to a predetermined length to produce a staple fiber and this staple fiber has to be blown and undergone an additional spinning process, which makes the process complicated.
  • a spinning distance (distance between the nozzle and the collector) is so short in an electrospinning process that a method capable of drawing by applying a physical force is restrictive, and thus the mechanical properties are very low.
  • Korean Patent Application No. 2004-6402 discloses a process of preparing a filament composed of a nano fiber by preparing a ribbon-like nano fiber web by electrically spinning a nano fiber on a roller, twisting it while passing it through an air twisting machine, and then drawing it.
  • this conventional process is problematic in that the strength of the prepared filament is low due to poor arrangement of nano fibers in the fiber axis direction.
  • the present invention is intended to mass-produce a continuous filament composed of a nano fiber which is superior in physical properties with a simple and continuous procedure by preparing an undrawn filament composed of a nano fiber which is superior in drawing properties using an electrospinning method, and then performing a drawing procedure. Additionally, the present invention is intended to provide a continuous filament of a nano fiber without any additional spinning process.
  • the present invention is intended to provide a continuous filament of a nano fiber which is superior in physical properties and is suitable for various industrial materials, such as a filter, diaper, sanitary pad, artificial vessel and so on, as well as artificial leather.
  • a method of manufacturing a continuous filament by electrospinning method wherein electrospun nano fibers are collected on a collector 3 in webs having a small width that are separate from each other by electrically spinning a polymer spinning dope in a spinning dope main tank 1 onto the collector 3, which is a cylindrical conductive material with a high voltage applied thereto and which rotates with one side of the lower end covered by a nozzle block 2, the nozzle block 2 having a high voltage applied thereto and one or more unit blocks combined in a C-shape, and arranged in a transverse or longitudinal direction, through nozzles 2a in the unit blocks of the nozzle block 2, the unit blocks having segments repeatedly arranged at regular gaps (s), each of the segments having 1 to 5 nozzles 2a arranged within a predetermined length (n), and then the nano fiber webs collected on the collector 3 are prepared in the form of a continuous filament 12 by a doubling machine 11 and wound on a winding machine 16 or put in a
  • the continuous filament of the present invention is prepared by the above method, has nano fibers of the continuous filament arranged at an angle of 10" or less in the axis direction of the continuous filament, and shows a necking stress or a partial/ complete stretched stress-strain curve on a stress-strain graph.
  • electrospun nano fibers are collected on a collector 3 in webs having a small width that are separate from each other by electrically spinning a polymer spinning dope in a polymer spinning main tank 4 onto the collector 3, which is a cylindrical conductive material and which rotates with one side of the lower end covered by a nozzle block 2, the nozzle block 2 having a high voltage applied thereto and one or more unit blocks combined in a C-shape, and arranged in a transverse or longitudinal direction, through nozzles 2a in the unit blocks of the nozzle block 2, the unit blocks having segments repeatedly arranged at regular gaps (s), each of the segments having 1 to 5 nozzles 2a arranged within a predetermined length (n).
  • FIG. l is a schematic process diagram of the present invention for feeding a web separating mat 7 onto a collector 3.
  • the nozzle block 2 has a high voltage applied thereto, and has one or more unit blocks combined in a C-shape, and arranged in a transverse or longitudinal direction, the unit blocks having segments repeatedly arranged at regular gaps (s), each of the segments having 1 to 5 nozzles 2a arranged within a predetermined length (n)
  • FIG.2 is a perspective view of the C-shaped nozzle block 2 and the cylindrical collector 3 of FIG.1.
  • segments having 1 to 5 nozzles 2a arranged within a predetermined length (n) are repeatedly arranged at regular gaps (s). Due to this, the nano fibers electrically spun on the collector 3 are collected in webs having a small width (d) that are separate from each other.
  • a non-conductive plate is attached to the gaps (s) between the segments each having 1 to 5 nozzles arranged therein.
  • the width (d) of one of the small width gaps collected on the collector 3 in a separate state is 1 to 60 mm, and more preferably, 5 to 40 mm.
  • width (d) is below than lmm, nano fibers dispersed are increased to deteriorate the spinning property.
  • the width (d) is above 60mm, the orientation of the nano fibers relative to the width direction of the webs becomes nonuniform, thereby making it difficult to prepare a filament.
  • the unit length (n) of the segments each having 1 to 5 nozzles 2a arranged therein is preferably 1 to 200 mm, and the gap (s) between the segments is preferably 1 to 100 mm.
  • the collector 3 is a cylindrical conductive material, which rotates with one side of the lower end covered by the nozzle block, and has a high voltage applied thereto.
  • the above-explained C-shaped nozzle block 2 and the rotating cylindrical collector 3 are used at the same time.
  • the collected small width nano fiber webs are separated from the collector 3 in the form of a continuous filament 12 by a doubling machine 11 , and then they are wound on a winding machine 7 or put in a canvas.
  • the continuous filament 12 separated from the collector 3 may be dried or drawn before being wound around the winding machine. Meanwhile, in the present invention, as shown in FIG.4, it is also possible to prepare two or more types of a continuous filament simultaneously by using two or more C-shaped nozzle blocks 2 and two or more collectors 3, respectively.
  • the same polymer spinning dope may be fed into each of the two or more C-shaped nozzle blocks 2, and it is also possible to prepare filaments of different kinds by feeding different polymer spinning dopes.
  • FIG.4 is a schematic view of a process of preparing a continuous filament using two nozzle blocks and two collectors according to the
  • the nozzles 2a arranged in the C-shaped nozzle blocks and the
  • collectors 3 are connected to a high voltage generator 1 and have a high
  • the collector 3 rotates by a rotary motor.
  • the present invention can solve the limit of mass production,
  • nozzles can be arranged within a narrow space.
  • nozzles can be arranged within a narrow space.
  • the discharge amount is 0.6 to 2.0
  • the continuous filament prepared in the prior art electrospinning method is very weak in terms of physical properties.
  • the present invention can solve such a problem by
  • the orientation angle of nano fibers relative to a filament axis [traveling direction (machine direction) of the filament] is controlled to 3° or less, thereby greatly
  • isotropic composite filament by preparing two or more types of filaments having a different orientation angle of nano fibers relative to a filament axis, respectively, and then doubling them.
  • the nozzles 2a are arranged diagonally in a transverse or longitudinal direction, or linearly in a
  • a yield per unit time can be increased by arranging a large quantity of nozzles within a narrow space.
  • C-shaped nozzle block 2 may consists of one or two or more unit blocks, however, in a case where two or more unit blocks are combined, and
  • tip of the nozzles can be formed stably, thereby improving the nano fiber forming property. Moreover, it is possible to prepare a hybrid filament by a method of feeding polymer spinning dopes different in kind or concentration to the unit blocks of the nozzle block 2, respectively.
  • the distance (spinning distance) between the nozzle block 2 and the collector 3 can be adjusted by adjusting the diameter of the nozzle block 2 and of the collector 3.
  • the polymer spinning dope includes components selected from the group consisting of polyester resin, nylon resin, polysulfone resin, polylactic acid, chitosan, collagen, cellulose, fibrinogen, a copolymer thereof, sol-gel containing a metal component, a copolymer thereof and a mixture thereof.
  • the gist of the present invention is to easily control physical properties of the filament by freely adjusting the orientation angle of nano fibers relative to a filament axis direction according to the rotational linear velocity of the cylindrical collector 3 by using the nozzle block 2 and the cylindrical collector 3, the nozzle block 2 having one or more unit blocks combined in a C- shape, such that they are arranged in a transverse or longitudinal direction, the unit blocks having segments repeatedly arranged at regular gaps (s), each of the segments having 1 to 5 nozzles 2a arranged within a predetermined length (n), and the cylindrical collector 3 rotating with one side of the lower end covered by the nozzle block 2.
  • the filament prepared by electrospinning it is difficult for the filament prepared by electrospinning to have a system capable of applying a physical force during an electro spinning process. Because the distance between the
  • nozzles and the collector is 30cm or less, which is very slight, it is very difficult to apply a mechanical force to a narrow space.
  • nano fibers are arranged in a filament axis direction using a centrifugal force of the collector 3 which is rotating.
  • a partially or completely drawn filament is prepared by electrically spinning a polymer spinning dope onto a rotating collector 3 through a plurality of nozzles arranged in a C-shaped nozzle block 2 and arranging nano fibers side by side on the collector 3.
  • a fiber prepared by electrospinning it is a general phenomenon that crystallization is performed to a considerable extent according to the characteristics of the material.
  • the orientation degree of nano fibers relative to a filament axis is very low, thus the mechanical properties are very low and it is very difficult to increase the physical properties through a separate drawing process. The reason of which is because the drawing properties are substantially deteriorated due to formed crystalline and the mechanical properties are very low due to a low orientation degree relative to the filament axis direction.
  • the nano fibers can be arranged in a row relative to the filament axis, thereby enabling it to prepare a filament which has superior physical properties. If the rotational linear velocity of the collector is too low, it is
  • nano fibers oriented well relative to the filament axis. Additionally, if drawing is required, if necessary, a filament
  • composed of nano fibers having superior mechanical properties can be prepared by performing drawing using a difference in the linear velocity of a roller.
  • the nozzles 2 may be of a dual core-shell structure or a triple or more core- shell structure.
  • the number of the nozzles 2 is one or more, and more preferably,
  • the nano fiber isolating solution is one or two or more types of mixtures selected from water, an organic solvent, surfactant, and silicon oil.
  • the present invention comprises, if necessary, feeding a nano fiber separating mat 7 onto a cylindrical collector 3 to collect the nano fibers on the nano fiber separating mat 7 when electrically spinning nano fibers.
  • the nano fiber separating mat 7 where the nano fibers are collected is cut to a width of 1 to 60 mm by a cutting machine 8.
  • the nano fiber separating mat 7 is discharged from its supply roller 5, passes through its feed rollers 6 and 9, and wound on its winding roller 10.
  • the nano fiber webs collected on the nano fiber separating mat 7 are separated from the nano fiber separating mat 7 before passing through the doubling machine 11 , and thereafter are made into a continuous filament 12 as they pass through the doubling machine 11.
  • the doubling machine 11 includes a typical air crosslinking device, a texturing device, etc.
  • the continuous filament of the present invention prepared by the above-described process according to the present invention has nano fibers of the continuous filament arranged at an angle of 10° or less in the
  • the nano fibers of the filament of the present invention may have a hollow shape or have pores formed on the surfaces.
  • the continuous filament of the present invention is very superior in physical properties because the nano fibers are arranged at an orientation angle of 10° or less in the filament axis direction.
  • the present invention allows easy adjustment of the orientation angle of nano fibers relative to a filament axis direction, and offers a high yield per unit time because a large quantity of nozzles can be arranged even in a narrow space.
  • the present invention can mass produce a nano fiber filament having various physical properties in a continuous process.
  • the present invention can easily produce a hybrid filament composed of nano fibers having a different type of polymer or a different diameter.
  • FIG.1 is a schematic view of a process of preparing a continuous filament according to the present invention.
  • FIG.2 is a schematic perspective view of a C-shaped nozzle block 2
  • FIG.3 is a schematic plane view of the C-shaped nozzle block 2 and
  • FIG.4 is a schematic view of a process of preparing a continuous
  • high voltage generator 2 C-shaped nozzle block
  • n length of one segment having 1 to 5 nozzles arranged in unit blocks of
  • nozzle block 2 d width of one of webs collected on collector separated from each other
  • a polymer spinning dope was prepared by dissolving nylon 66 resin, which has a relative viscosity of 3.0 in a 96% sulfuric acid solution, in formic acid/acetic acid (volume ratio: 70:30) at a concentration of 15% by weight.
  • the polymer spinning dope had a surface tension of 37 mN/m, a solution viscosity of 1, 100 centipoise at an ambient temperature and an electrical conductivity of 440 mS/m. Then, as shown in FIG.
  • the prepared spinning dope was electrically spun onto a cylindrical (stainless steel) collector 3, which is a cylindrical conductive material with a high voltage applied thereto and which rotates at a rotational linear velocity of 5 m/min, with one side of the lower end covered by a nozzle block 2, the nozzle block 2 having a high voltage applied thereto and 370 unit blocks combined in a C-shape, and arranged in a transverse direction, through nozzles 2a in the unit blocks of the nozzle block 2, the unit blocks having segments arranged repeatedly 10 times at gaps (s) of 7cm, the segments each having three nozzles within a length (n) of 6.5 cm, such that the electrospun nano
  • the collector rotates by being connected to a rotary motor by a
  • the radius of the nozzle block 2 was 6 m, and the
  • transverse length thereof was 4.2 m.
  • 30 nozzles were arranged as above
  • the nozzle block 2 was 1 1, 100.
  • the diameter of the nozzles was lmm,
  • the thickness of the prepared continuous filament was 54 deniers
  • the stress thereof was 176 MPa
  • the degree of elongation thereof was 26 %
  • the continuous filament prepared in the present invention is useful as materials for various industrial fields, such as an artificial dialyzing filter, artificial vessel, anti-adhesion agent, artificial bone, bottom decoration material, compound material and so on, as well as daily necessities, such as artificial leather, air cleaning filters, wiping cloths, golf gloves, wigs and so on.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

L’invention concerne un procédé de fabrication d’un filament continu par électrofilage, et un filament continu fabriqué grâce à ce procédé. Dans le procédé de fabrication d’un filament continu par électrofilage, des nano fibres électrofilées sont recueillies sur un collecteur (3) en trames de faible largeur et séparées l’une de l’autre par filage électrique d’une solution à filer polymère dans un réservoir principal de solution à filer (1) sur le collecteur (3), qui est fait d’un matériau conducteur cylindrique avec une haute tension appliquée à celui-ci et qui tourne avec un côté de l’extrémité inférieure recouverte d’un bloc de buse (2), le bloc de buse (2) ayant une haute tension appliquée à celui-ci et un ou plusieurs blocs unitaires combinés en forme de C, et disposé dans la direction transversale ou longitudinale, à travers des buses (2a) dans les blocs unitaires du bloc de buse (2), les blocs unitaires ayant des segments disposés de manière répétée à intervalles réguliers, chacun des segments ayant (1) à (5) buses (2a) disposées sur une longueur prédéterminée, puis les trames de nano fibres recueillies sur le collecteur (3) sont préparées en forme de filament continu (12) par une machine à retordre (11) et enroulées sur une machine d’enroulement (16) ou rangées dans une toile.
PCT/KR2006/000958 2005-06-17 2006-03-16 Procédé de fabrication d’un filament continu par électrofilage et filament continu fabriqué grâce à ce procédé Ceased WO2006135147A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050052134A KR100621428B1 (ko) 2005-06-17 2005-06-17 전기방사를 이용한 연속상 필라멘트의 제조방법 및 이로제조된 연속상 필라멘트
KR10-2005-0052134 2005-06-17

Publications (1)

Publication Number Publication Date
WO2006135147A1 true WO2006135147A1 (fr) 2006-12-21

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KR (1) KR100621428B1 (fr)
WO (1) WO2006135147A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1929074A4 (fr) * 2005-09-26 2009-09-02 Hak-Yong Kim Dispositif d electrofilature conjuguee, non-tisse et filament conjugues comprenant des nanofibres ainsi produites
CN102251393A (zh) * 2011-05-18 2011-11-23 哈尔滨工程大学 海藻酸钠与明胶表面改性脂肪族聚酯电纺纤维的方法
CN102912458A (zh) * 2012-11-08 2013-02-06 厦门大学 一种具有加热功能的电纺纳米纤维膜制备装置
CN103114450A (zh) * 2013-02-22 2013-05-22 东华大学 用于癌细胞捕获的叶酸修饰的静电纺纳米纤维的制备方法
US8522520B2 (en) 2006-11-20 2013-09-03 Stellenbosch University Yarn and a process for manufacture thereof
US9359694B2 (en) 2014-08-18 2016-06-07 University of Central Oklahoma Method and apparatus for controlled alignment and deposition of branched electrospun fiber
CN106222762A (zh) * 2016-04-14 2016-12-14 浙江海洋学院 纳米纤维静电纺丝设备及其使用方法
US9809906B2 (en) 2014-08-18 2017-11-07 University of Central Oklahoma Method and apparatus to coat a metal implant with electrospun nanofiber matrix
US10415156B2 (en) 2014-08-18 2019-09-17 University of Central Oklahoma Method and apparatus for controlled alignment and deposition of branched electrospun fiber
US10633766B2 (en) 2014-08-18 2020-04-28 University of Central Oklahoma Method and apparatus for collecting cross-aligned fiber threads
US10932910B2 (en) 2014-08-18 2021-03-02 University of Central Oklahoma Nanofiber coating to improve biological and mechanical performance of joint prosthesis
US10953133B2 (en) 2016-02-23 2021-03-23 University of Central Oklahoma Process to create 3D tissue scaffold using electrospun nanofiber matrix and photosensitive hydrogel
US11058521B2 (en) 2014-08-18 2021-07-13 University of Central Oklahoma Method and apparatus for improving osseointegration, functional load, and overall strength of intraosseous implants

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101291090B1 (ko) 2011-10-04 2013-08-01 천석원 스피커 진동판
CN103334163B (zh) * 2013-06-18 2015-11-25 清华大学 电纺喷头单元，电纺液成丝装置及静电纺丝机
KR101801246B1 (ko) 2015-10-21 2017-11-27 주식회사 우리나노 나노섬유로 구성된 필라멘트의 제조방법
CN114717669B (zh) * 2022-03-30 2023-05-26 南通纺织丝绸产业技术研究院 一种纳米纤维纱线及其连续成纱方法

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US4044404A (en) * 1974-08-05 1977-08-30 Imperial Chemical Industries Limited Fibrillar lining for prosthetic device
US5045248A (en) * 1989-09-22 1991-09-03 E. I. Du Pont De Nemours And Company Process for making a non-woven sheet
US6110590A (en) * 1998-04-15 2000-08-29 The University Of Akron Synthetically spun silk nanofibers and a process for making the same
KR20040076006A (ko) * 2003-02-24 2004-08-31 김학용 나노섬유로 구성된 연속상 필라멘트의 제조방법

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Publication number Priority date Publication date Assignee Title
US4044404A (en) * 1974-08-05 1977-08-30 Imperial Chemical Industries Limited Fibrillar lining for prosthetic device
US5045248A (en) * 1989-09-22 1991-09-03 E. I. Du Pont De Nemours And Company Process for making a non-woven sheet
US6110590A (en) * 1998-04-15 2000-08-29 The University Of Akron Synthetically spun silk nanofibers and a process for making the same
KR20040076006A (ko) * 2003-02-24 2004-08-31 김학용 나노섬유로 구성된 연속상 필라멘트의 제조방법

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1929074A4 (fr) * 2005-09-26 2009-09-02 Hak-Yong Kim Dispositif d electrofilature conjuguee, non-tisse et filament conjugues comprenant des nanofibres ainsi produites
US8522520B2 (en) 2006-11-20 2013-09-03 Stellenbosch University Yarn and a process for manufacture thereof
CN102251393A (zh) * 2011-05-18 2011-11-23 哈尔滨工程大学 海藻酸钠与明胶表面改性脂肪族聚酯电纺纤维的方法
CN102912458A (zh) * 2012-11-08 2013-02-06 厦门大学 一种具有加热功能的电纺纳米纤维膜制备装置
CN103114450A (zh) * 2013-02-22 2013-05-22 东华大学 用于癌细胞捕获的叶酸修饰的静电纺纳米纤维的制备方法
US10415156B2 (en) 2014-08-18 2019-09-17 University of Central Oklahoma Method and apparatus for controlled alignment and deposition of branched electrospun fiber
US9809906B2 (en) 2014-08-18 2017-11-07 University of Central Oklahoma Method and apparatus to coat a metal implant with electrospun nanofiber matrix
US10206780B2 (en) 2014-08-18 2019-02-19 University of Central Oklahoma Method and apparatus to coat a metal implant with electrospun nanofiber matrix
US9359694B2 (en) 2014-08-18 2016-06-07 University of Central Oklahoma Method and apparatus for controlled alignment and deposition of branched electrospun fiber
US10633766B2 (en) 2014-08-18 2020-04-28 University of Central Oklahoma Method and apparatus for collecting cross-aligned fiber threads
US10932910B2 (en) 2014-08-18 2021-03-02 University of Central Oklahoma Nanofiber coating to improve biological and mechanical performance of joint prosthesis
US11058521B2 (en) 2014-08-18 2021-07-13 University of Central Oklahoma Method and apparatus for improving osseointegration, functional load, and overall strength of intraosseous implants
US10953133B2 (en) 2016-02-23 2021-03-23 University of Central Oklahoma Process to create 3D tissue scaffold using electrospun nanofiber matrix and photosensitive hydrogel
CN106222762A (zh) * 2016-04-14 2016-12-14 浙江海洋学院 纳米纤维静电纺丝设备及其使用方法

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