Abstract: Described are fiber materials having improved malodor scavenger properties and a process for the manufacture of said materials. In particular, described are fiber materials usable in the manufacture of disposable or washable diapers, incontinent products, sanitary napkins and other such hygiene and personal care articles with improved malodor scavenger properties, and to methods of manufacturing such materials. It has been found that the incorporation of, especially nanosized, metal particles and/or a cyclodextrin material into fibers creates a “reactive” material having excellent malodor scavenging properties. More specifically, it has been found that the presence of nanosized metal or metal alloy particles and/or a cyclodextrin material in a fiber material, preferably a synthetic polymer material and more preferably a synthetic thermoplastic polymer fiber material leads to fiber materials or nonwovens having odor-controlling properties.

Abstract: Provided is a method of attaching a molecule-of-interest to a microtube, by co-electrospinning two polymeric solutions through co-axial capillaries, wherein a first polymeric solution of the two polymeric solutions is for forming a shell of the microtube and a second polymeric solution of the two polymeric solutions is for forming a coat over an internal surface of the shell, the first polymeric solution is selected solidifying faster than the second polymeric solution and a solvent of the second polymeric solution is selected incapable of dissolving the first polymeric solution and wherein the second polymeric solution comprises the molecule-of-interest, thereby attaching the molecule-of-interest to the microtube. Also provided is an electrospun microtube comprising an electrospun shell, an electrospun coat over an internal surface of the shell and a molecule-of-interest attached to the microtube.

Abstract: A biodegradable microfiber absorbent comprises a substantially homogeneous mixture of at least one hydrophilic polymer and at least one biodegradable polymer. The absorbent can be prepared by an electro hydrodynamic spinning of a substantially homogeneous polymer mixture. Medical dressings for burns and wounds, cavity dressings, drug delivery patches, face masks, implants, drug carriers that comprises at least one microfiber electrospun from a polymer mixture are provided. The dressings can have variable water vapor penetration characteristics and variable biodegradation times.

Abstract: The present invention provides a process for forming a composite material having improved interlaminar properties.

Abstract: An electrospinning system using a spinneret and a counter electrode is first operated for a fixed amount of time at known system and operational parameters to generate a fiber mat having a measured fiber mat width associated therewith. Next, acceleration of the fiberizable material at the spinneret is modeled to determine values of mass, drag, and surface tension associated with the fiberizable material at the spinneret output. The model is then applied in an inversion process to generate predicted values of an electric charge at the spinneret output and an electric field between the spinneret and electrode required to fabricate a selected fiber mat design. The electric charge and electric field are indicative of design values for system and operational parameters needed to fabricate the selected fiber mat design.

Abstract: Elevated temperature electrospinning apparatus comprises a pump upstream of or containing a resistance heater, means to shield applied electrostatic field from the resistance heater, and a temperature modulator for modulating temperature in the spinning region.

Abstract: A method of preparing electrospun fiber tubular material comprises: using single metal rod template or two-dimensional or three-dimensional metal rod combined-template which has cross structure and is composed of the said single metal rod templates to prepare tubular electrospun fiber material by controlling electrospinning process parameters. The method could control the macro-structure and micro-structure of the tubular electrospun fiber material by adjusting template parameters. The tubular electrospun fiber material obtained from the method could be used in such fields as biomedical material, tissue engineering scaffold, photo-electric material, filtering material and sensor etc.

Abstract: The present disclosure relates to the method for spinning of polymer matrix in an electrostatic field induced in a spinning space between a spinning electrode and a collecting electrode, at which the polymer matrix is delivered from a matrix reservoir into the electrostatic field on surface of the spinning electrode or by the spinning elements of the spinning electrode, whose principle consist in that the temperature of the spinning electrode or spinning elements of the spinning electrode, and/or reservoir, and/or of polymer matrix is increased above the surrounding temperature by means of resistance heating. The disclosure further relates to the device for performing of this method.

Abstract: In accordance with certain embodiments of the present disclosure, a process of forming a prosthetic device is provided. The process includes forming a dispersion of polymeric nanofibers, a fiberizing polymer, and a solvent, the dispersion having a viscosity of at least about 50,000 cPs. A tubular frame is positioned over a tubular polymeric structure. Nanofibers from the dispersion are electrospun onto the tubular frame to form a prosthetic device. The prosthetic device is heated.

Abstract: An electrospinning process and apparatus for forming aligned electrospun fibers. A time-dependent (AC) voltage is applied to a multi-electrode collector in order to temporally control the location and orientation of fiber deposition.

Abstract: A carried material is carried only on a surface of nano-fibers. It includes a raw material liquid spray step that sprays raw material liquid (300), which is a raw material of nano-fibers (301), into a space, a raw material liquid electrically charging step, which applies an electric charge to the raw material liquid (300) and makes the raw material liquid electrically charged, a nano-fiber manufacturing step that manufactures the nano-fibers (301) by having the electrically'charged and sprayed raw material liquid (300) explode electrostatically, a carried material electrically charging step that electrically charges a carried material (302) carried on the nano-fibers (301) with a polarity opposite to a polarity of the electrically charged nano-fibers (301), and a mixing step that mixes the said manufactured nano-fibers (301) and the electrically charged carried material (302) in a space.

Abstract: There is provided a hybrid polymer fiber material containing a non-electrolytic polymer and an electrolytic polymer and having properties and advantages of both polymers, and provided a method of producing the hybrid polymer fiber material, and provided a filter made of the hybrid polymer fiber material. A voltage is applied between a nozzle 1 and a target 3 (opposite surface) such that the nozzle 1 is positive and such that the target 3 is negative. Then, the mixed solution of the non-electrolytic polymer and the electrolytic polymer is ejected from the nozzle 1 to the target 3, so that hybrid polymer fiber material 2 containing the non-electrolytic polymer and the electrolytic polymer is accumulated on the target 3. The hybrid polymer fiber material 2 is used as a filter for fluid filtration.

Abstract: Provided are functionalized nanodiamonds. Also provided are methods for fabricating such functionalized nanodiamonds. Also provided are composites including nanodiamonds and polymers. Also provided are methods for fabricating such composites including nanodiamonds and polymers. Also provided are electrospun fibers including nanodiamonds and polymers. Also provided are methods for fabricating such electrospun fibers including nanodiamonds and polymers.

Abstract: Provided herein are anisotropic muscle implants that have a biodegradable scaffold comprising a plurality of fibers oriented along a longitudinal axis. The implants may include mammalian muscle cells seeded and/or fused into myotubes on the scaffold. Methods of forming the muscle implants are provided, as are methods of treating a subject in need of skeletal muscle reconstruction.

Abstract: Provided is an electroactive structure for growing isolated differentiable cells comprising a three dimensional matrix of fibers formed of a biocompatible synthetic piezoelectric polymeric material, wherein the matrix of fibers is seeded with the isolated differentiable cells and forms a supporting scaffold for growing the isolated differentiable cells, and wherein the matrix of fibers stimulates differentiation of the isolated differentiable cells into a mature cell phenotype on the structure.

Abstract: An article can have a surface with selected wetting properties for various liquids.

Abstract: Disclosed are a graphene composite nanofiber and a preparation method thereof. The graphene composite nanofiber is produced by dispersing graphenes to at least one of a surface and inside of a polymer nanofiber or a carbon nanofiber having a diameter of 1˜1000 nm, and the graphenes include at least one type of monolayer graphenes, and multilayer graphenes having a thickness of 10 nm or less. The graphene composite nanofiber can be applied to various industrial fields, e.g., a light emitting display, a micro resonator, a transistor, a sensor, a transparent electrode, a fuel cell, a solar cell, a secondary cell, and a composite material, owing to a unique structure and property of graphene.

Abstract: An article is provided that comprises fibers, as is a method of forming the article. The fibers comprise an organopolysiloxane component selected from (i) an organopolysiloxane having the formula (R3SiOi/2)w(R2Si?2/2)x(RSi?3/2)y(Si?4/2)z (I), wherein each R is selected from the group of an inorganic group, an organic group, and combinations thereof, w is from 0 to 0.95, x is from 0 to 0.95, y is from 0 to 1, z is from 0 to 0.9, and w+x+y+z=1, and (ii) a cured product of said organopolysiloxane having the formula (I), and combinations of (i) and (ii), provided that the fibers are free from organic polymers, organic copolymers, and organosiloxane-organic copolymers. The method of forming the article includes the step of forming fibers from a composition. The composition used to form the fibers comprises the organopolysiloxane having the formula (I), provided that the composition is free from organic polymers, all-organic copolymers, and organosiloxane-organic copolymers.

Abstract: The present invention is directed to a method for preparing a nanofiber web by feeding a polymer solution, which has at least one polymer dissolved in at least one flammable solvent to a spinning nozzle, discharging the polymer solution from the spinning nozzle into a blowing gas or gas mixture that will not support combustion, wherein the blowing gas exits a jet at a lower end of the spinning nozzle, to form polymer nanofibers and collecting the polymer nanofibers on a collector under the spinning nozzle, wherein an applied high voltage differential is maintained between the spinneret and the collector.

Abstract: The present invention relates generally to textile fabrics, and more particularly, to a stretchable, nonwoven nanofiber fabric which is impermeable to water but allows vapor transport, capable of conforming to body parts, and is particularly useful in high performance apparels and personal care products. The fabric is combined with different substrates to form a laminate. The fabric and its laminate can retain their dimensional integrity on repeated stretching, have relatively high air permeability while maintaining liquid repellency, and have high stretching recovery. Methods of preparing and applying the nanofiber fabric and its laminate are also provided.

Abstract: The present invention relates to scaffolds which can be used as medical devices for guided tissue regeneration and repair, in particular the invention is directed to a scaffold comprising fibres having a mean fibre diameter of between from about 1.2 to 4.0 microns, wherein the fibres comprise a glycolide. The invention further relates to the use of the scaffolds for the selective capture of cell populations for a cell source material.

Abstract: An ultrafine composite fiber of the present invention is obtained by heating and melting a composite-resin-formed product in front of a supply-side electrode and/or in a space between electrodes and extending the composite-resin-formed product by electrospinning, wherein the composite-resin-formed product is a solid-state composite-resin-formed product having two or more phases and including a resin that has a volume specific resistance of 1015 ?·cm or less, and that is exposed on 30% or more of a surface of the composite-resin-formed product. With this, an ultrafine composite synthetic fiber and an ultrafine synthetic fiber can be obtained by electrospinning, without a solvent being mixed in a supply resin, and further, a method for manufacturing an ultrafine composite fiber, as well as a fiber structure containing an ultrafine composite fiber, are provided.

Abstract: A nanofibrillar structure for cell culture and tissue engineering is disclosed. The nanofibrillar structure can be used in a variety of applications including methods for proliferating and/or differentiating cells and manufacturing a tissue. Also disclosed is an improved nanofiber comprising a lipid, lipophilic molecule, or chemically modified surface. The nanofibers can be used in a variety of applications including the formation of nanofibrillar structures for cell culture and tissue engineering.

Abstract: The present invention relates to a process for producing electrospun fibers comprising polyethyleneimine nanoparticles (PEIN). The use of PEIN permits the antibacterial finishing of electrospinnable polymers, provided that these polyethyleneimine nanoparticles are particles of derivatized polyethyleneimine (PEI), since pure underivatized PEI has no antibacterial action. Preference is given to using quaternized polyethyleneimine. The electrospinnable polymers can be coated with PEIN during and/or after the electrospinning. The polymeric fibers obtainable by the process according to the invention can be used for textile fibers, for example for the production of fibers for functional apparel or for fibrous nonwoven webs or fibrous mats for cell culture substrates.

Abstract: The disclosure relates to composite nonwoven fibrous webs including a population of sub-micrometer fibers having a median diameter less than one micrometer (?m), and a population of microfibers having a median diameter of at least 1 ?m. At least, one of the fiber populations is oriented, and each composite nonwoven fibrous web has a thickness and exhibits a Solidity of less than 10%. The disclosure also relates to methods of making composite nonwoven fibrous webs, and articles including composite nonwoven fibrous webs made according to the methods. In exemplary applications, the articles may be used as gas filtration articles, liquid filtration articles, sound absorption articles, surface cleaning articles, cellular growth support articles, drug delivery articles, personal hygiene articles, or wound dressing articles.

Abstract: The invention relates to a novel method for electrospinning fibers wherein the fiber-spinning solution is infused with gas bubbles which travel through the electrospinning fluid, causing the bubbles to be coated with electrospinning solution. The coated bubbles, in turn, in response to an applied electrical force, generate jets of the electrospinning fluid that travel away from the bubble surface. The invention further relates to the fibers formed by this bubble-jet process and to products made therefrom.

Abstract: Disclosed are methods of forming three dimensional arrays of aligned nanofibers in an open, loose structure of any desired depth. The arrays are formed according to an electrospinning process utilizing two parallel conducting plates to align the fibers and rotating tracks to distribute the fibers throughout the array. Arrays can be used as formed, for instance in tissue engineering applications as three dimensional scaffolding constructs. As-formed arrays can be combined with other materials to form a composite 3-D structure. For instance, composite polymeric materials can be electrospun to form composite nanofibers within the array. Multiple polymeric materials can be electrospun at different areas of the array to form a composite array including materially different nanofibers throughout the array. The arrays can be loaded with other fibrous or non-fibrous materials to form a composite array. Arrays can also be rolled to form a uniaxial fiber bundle.

Abstract: Medical devices, such as stents, including a fibrous layer including particles are disclosed. Methods of forming such medical devices using electrospinning are disclosed.

Abstract: The present invention relates to a connector of an electromagnetic clutch for a compressor and a manufacturing method thereof. The method includes the steps of arranging a leading end of a lead wire 62 or 72 of at least one discharge device 60 or remaining magnetic field removing device 70, which configures a surge absorbing circuit, to a terminal 50 installed in a connector 30 configuring a field coil assembly and having a coupling slot 56 formed in one side thereof; plastically deforming at least one slot bridge 57 to fix the lead wire 62 or 72 to the coupling slot 56; and making the connector 30 in a state where the terminal 50 is fixed to an assembly of at least the discharge device 60 or remaining magnetic field removing device 70 by injection molding.

Abstract: Disclosed are a method for fabricating a conductive film, and a conductive film fabricated by the same. The method comprises: forming a mixed solution consisting of at least one of a metallic precursor and a conductive polymer; spraying atomized droplets of the mixed solution on a surface of a substrate so as to form conductive frames; and coupling carbon nanotubes to the conductive frames so as to enhance electric conductivity. Accordingly, the conductive film can have enhanced electric conductivity, and can be easily fabricated.

Abstract: The vinyl-type conducting polymer precursor is dissolved in solution containing volatile solvent such as methanol, and the precursor fibers are produced by electrospinning. The vinyl-type conducting polymer fibers are produced by heat treatment of the precursor fibers at certain temperature and time in a vacuum or in an inert gas atmosphere, or by zone reaction method, followed by doping with dopant.

Abstract: An article includes fibers formed from a compound having the general chemical formula R—Si—H. In this formula, R is an organic or an inorganic group. The fibers also have metal disposed thereon. The article is formed from a method including two steps. The method of forming the article includes the step of electrospinning the compound to form the fibers. The method also includes the step of disposing the metal onto the fibers to form the article.

Abstract: A method for producing a continuous filament made up of nanofibers is disclosed. A ribbon-shaped nanofiber web is prepared by electrospinning a polymer spinning solution onto a collector 7 applied with a high voltage, the collector 7 consisting of (I) an endless belt type nonconductive plate 7a with grooves having a predetermined width (u) and depth (h) formed at regular intervals along a lengthwise direction and a conductive plate 7b inserted into the grooves of the nonconductive plate, and then the nanofiber web is isolated (separated) from the collector 7, focused, drawn and wound. A continuous filament (yarn) made up of nanofibers can be produced by a simple and continuous process by providing a method for continuously producing a filament (yarn) by an electrospinning technique without a spinning process. The focusability and the drawability can be greatly improved by orienting nanofibers well in the fiber axis direction.

Abstract: A first method comprises: dissolving a polymer in a terpene, terpenoid, or aromatic solvent to form a polymer solution; dissolving a salt in a polar organic solvent to form a salt solution; and mixing the salt solution and the polymer solution to form a mixture. The salt and the polar organic solvent do not cause substantial precipitation of the polymer upon mixing with the polymer solution. A resulting terpene, terpenoid, or aromatic solvent phase of the mixture is suitable for forming fibers by electric-field-driven spinning from one or more spinning tips onto a target substrate. A composition comprises the terpene, terpenoid, or aromatic solvent phase of the mixture resulting from the method. A second method comprises forming fibers by electric-field-driven spinning of the first composition from one or more spinning tips onto a target substrate. A second composition comprises the fibers formed by the second method.

Abstract: The invention is directed to a method of making continuous filament by electrospinning, wherein electrospun nanofibers are collected on a multi-layer type collector consisting of two or more, rotating disk-shaped conductive materials by electrospinning a polymer dope onto the multi-layer collector with a high voltage applied thereto and which rotates at a rotational linear velocity of 5 m/sec or more, through nozzles having a high voltage applied thereto, and then collecting the nanofibers on the collector in the form of a continuous filament by the use of a collecting roller, and conveying the nanofibers to a canvas through a traverse, or dried, drawn, and wound consecutively.

Abstract: An electrospinning apparatus is described. The electrospinning apparatus has a rotary nozzle mechanism that moves simultaneously along a non-linear track for forming polymeric fibrils, so that the polymeric fibrils can be piled to form a uniform web on a receiving carrier from any receiving angle. Therefore, the electrospinning apparatus resolves problems of the prior polymeric fibrils, such as various distribution and slow production rate. In addition, a method of manufacturing polymeric fibrils in the aforementioned electrospinning apparatus is further described.

Abstract: An electrospinning apparatus and methodology is described that produces medical devices, such as scaffolds that induce the formation of a natural fibrous structure (primarily collagen and elastin) in a tissue-engineered medical device. The apparatus uses collection surfaces designed to manipulate or change the electrostatic field so that the electrospun fibers are arranged in desirable patterns that are similar to or mimic the fibrillar structure of an animal tissue. The manipulation results in fibers that are preferentially oriented in a predefined pattern. In addition, the interfiber space between the fibers and the fiber diameter are consistently within a predefined range. Using these techniques in conjunction with controlling polymer properties enables the production of a scaffold that has the structural and mechanical characteristics similar to the native tissue.

Abstract: The present invention relates to a process for producing polymer fibers, especially nano- and mesofibers, by electrospinning a colloidal dispersion of at least one essentially water-insoluble polymer in an aqueous medium, and to fibers obtainable by this process, to textile fabrics comprising the inventive fibers, and to the use of the inventive fibers and of the inventive textile fabrics.

Abstract: The invention relate to fibrous mats comprising chitosan nanofibers and, optionally, at least one filler material, at least one additive, or both. The invention also relates to methods of making same, and devices that include a fibrous mat comprising chitosan nanofibers.

Abstract: A cross-linked fiber is provided by cross-linking a fiber made of polyglutamic acid sodium of molecular weight of 200,000 or more and a polymer cross-linking agent. The polymer cross-linking agent is preferably a polymer having an oxazoline group or a polymer having an epoxy group. The cross-linked fiber is manufactured by: spinning threads from a solution in which the material is mixed by an electrostatic spinning to form a fiber and a fiber assembly; and heating the fiber and the fiber assembly to form the cross-linked fiber.

Abstract: An electrospinning device is described for producing fibrous porous structures. The device is adapted for providing a predetermined distance profile for the distance between outlets of the electrospinning device and the receiving surface. The latter may be obtained by geometrically adapting the electrospinning device or by moving the outlets with respect to the receiving surface during growth of the fibrous structure. A fibrous structure obtained by the described electrospinning device is also described which comprises fibres, wherein the diameter of the fibres has a predetermined profile along a dimension of the electrospun fibrous structure. Furthermore application of the laminated structure for wound dressing and teeth bleaching is discussed.

Abstract: Preferred embodiment stimuli-responsive low solubility copolymer hydrogel compositions of the invention include polymerized N-isopropylacrylamide and water insoluble monomer or oligomer repeating units. The repeating units are arranged within the polymer backbone of the copolymer hydrogel. In a preferred fabrication method, precursors of N-isopropylacrylamide and precursors of the water insoluble monomer of oligomer are solved in a liquid solvent to form a solution in a container. An initiator is added to the solution. Gas is bubbled through the solution, and the container is sealed. The solution is stirred while heating to a polymerization temperature and polymerization is permitted to complete to form the copolymer hydrogel composition.

Abstract: Composite structures and a method for improving the electromagnetic characteristics of composite structures produces epoxy nanofibres during the lay-up of structural elements of carbon fibre composite laminates. The epoxy nanofibres are fabricated by electro-spinning and may be doped with carbon nanotubes or other conducting nanoparticles. The nanofibres are selectively applied to one or more carbon fibre plys in a controlled manner of distribution.

Abstract: The present invention generally relates to solution electrospinning processes for fabricating fibers, to the fibers prepared thereby, and to non-woven webs, fabrics, porous composite filter media, and articles comprising the fibers.

Abstract: A fiber containing an eggshell membrane component. The fiber is produced by spinning using a solution containing the eggshell membrane component by employing an electrospinning method. A fiber assembly formed from the fiber obtained by employing the electrospinning method imitates a natural eggshell membrane, whereby sufficient air permeability is exhibited. Since the fiber assembly is also excellent in adherence to skin tissue of a human body and stypticity, the fiber assembly may be preferably used as a wound dressing or a cosmetic sheet.

Abstract: Disclosed herein are sol-gel compositions for fabricating conductive fibers in an electrospinning process and methods for producing the same.

Abstract: This invention is directed to fibers comprising copolymers or homopolymer blends, superstructures comprising said fibers, process for the preparation of the same and uses thereof. The fibers of this invention have long range order and superstructures produced from said fibers can be used in applications including but not limited to membranes, filtration media, high surface area substrates for sensors and catalysis, stents, tissue scaffolds and drug delivery.

Abstract: Nanofibers are produced by converting/electrospinning a solution of polyamides into nanofibers having a mean diameter ranging from about 40 nm to about 350 nm; products containing such nanofibers are useful as filters in particle systems, as separation membranes for the textile industry or in the cell or polar solvent industry, or as humidity sensors or the like, as well as for applications in the materials industry.

Abstract: A method of forming electrospun fiber mats from a plurality of different biodegradable polymeric fibers is provided, in which a plurality of up to six different biodegradable polymer solutions are electrospun together by a method comprising the steps of providing a plurality of up to six different biodegradable polymer solutions each containing at least one biologically or pharmaceutically active material and each in communication with a needle for electrospinning a biodegradable polymer fiber from the solution, and pumping each solution through its respective needle into an electric field under conditions effective to produce uncontrolled charged jet streams of the polymer solutions directed at a grounded rotating mandrel, thereby forming fiber threads of the biologically or pharmaceutically active compounds and polymers in the solutions that are deposited on the mandrel to form an electrospun non-woven fiber mat, wherein the needles are positioned for co-deposition of the fiber threads from the polymer solu

Abstract: This invention relates to carbon nanofiber having a skin-core structure containing pitch and polyacrylonitrile, to a method of producing the carbon nanofiber, and to a product including the carbon nanofiber. The carbon nanofiber includes polyacrylonitrile and pitch having different properties respectively constituting a skin layer and/or a core layer, with a diameter of 1 ?m or less, and thus functions of the carbon nanofiber vary depending on change in composition thereof.