• Choosing an appropriate combination of polymers with optimized rheological and surface properties, scientists have been able to produce melt-blown fibers with an average diameter as small as 36 nm. (wikipedia.org)
  • The same phenomenon applies for melt blowing of polymers. (wikipedia.org)
  • Polymers with thermoplastic behavior are applicable for melt blowing. (wikipedia.org)
  • As the director of UTNRL he has focused on production of nanofibers from thermoplastic polymers by meltblowing. (uga.edu)
  • N. Hoda, F. Mert, F. Kara, H. G. Atasagun, and G. S. Bhat " Effect of Process Parameters on Fiber Diameter and Fiber Distribution of Melt-Blown Polypropylene Microfibers Produced by Biax Line ," Fibers and Polymers, 22, 285-293, (2021). (uga.edu)
  • The main polymer types commonly processed with melt blowing: Polypropylene Polystyrene Polyesters Polyurethane Polyamides (nylons) Polyethylene Polycarbonate Melt blowing is a manufacturing process used to create nonwoven fabrics and materials. (wikipedia.org)
  • The lyocell nonwoven fabric is produced by centrifugal spinning, melt blowing or spunbonding. (patsnap.com)
  • Fiber Formation: The force of the air stretches and elongates the molten polymer into very fine fibers, which are then collected on a moving conveyor belt or drum. (wikipedia.org)
  • Melt blowing can produce drug-loaded fibers for controlled drug delivery. (wikipedia.org)
  • After earning his Ph.D. from Georgia Tech in textile and polymer engineering, Dr. Bhat joined the University of Tennessee, Knoxville (UTK) in August 1990, where his research covered nonwovens - melt blown, spunbonded and biodegradable, plastics recycling, nanotechnology, sustainable materials, and high performance fibers. (uga.edu)
  • The present invention more particularly applies to nanofiber spinning by a laser drawing method in which raw fibers are melted by laser light and the fibers are drawn by a drawing gas stream that is jetted from a nozzle. (justia.com)
  • It is important in the technique of Patent Document 2 to control a vibration angle of the multifilament, and if the vibration angle is significantly large, melted raw yarns and drawn fibers may come into contact with a nozzle surface. (justia.com)
  • When the melted raw yarns come into contact with an orifice surface, and when the drawn fibers fly around a drawing gas stream and the drawn fibers and the like adhere to the surroundings of the nozzle to contaminate the nozzle, a stable operation for a long time may not be possible. (justia.com)
  • It gives melt-blown non-woven fabric of monolithic structure in one step, composed of fine fibers having a diameter in a range from 1 to 10 mum diameter Variance ratio F of 2.0 or more and wide fiber diameter distribution. (patsnap.com)
  • The main uses of melt-blown nonwovens and other innovative approaches are as follows. (wikipedia.org)
  • Nonwoven melt-blown fabrics are porous. (wikipedia.org)
  • The high absorption of melt-blown fabrics is exploited in disposable diapers and feminine hygiene products. (wikipedia.org)
  • Melt-blown fabrics have three qualities that help make them useful for clothing, especially in harsh environments: thermal insulation, relative moisture resistance and breathability. (wikipedia.org)
  • 6. melt blown nonwoven process Retrieved 7 June 2016. (wikipedia.org)
  • Additionally, since a large number of nanofibers is generated from one orifice and are blown at random by vibration, a highly uniform nonwoven fabric can be obtained with a reduced number of orifices. (justia.com)
  • Melt blowing is a conventional fabrication method of micro- and nanofibers where a polymer melt is extruded through small nozzles surrounded by high speed blowing gas. (wikipedia.org)
  • Here's an overview of how melt blowing works: Melt Extrusion: The process begins with a polymer resin being melted and extruded through a spinneret, which is a device with tiny holes. (wikipedia.org)
  • Additionally, when the vibrational state of the multifilament is unstable, melted lumps (resin masses called "shot beads") of the raw yarn resin may be generated. (justia.com)
  • The invention comprises polymer compositions containing 3-hydroxypropanoxy terminated polymer that exhibit reduced levels of degradation product emissions during processing, by contacting the polymer in the molten state with a melt stable, organic nitrogen-containing stabilizing compound, such as polyamide. (patsnap.com)
  • Without intending to be limited by theory, it is believed that the polyepoxide modifier reacts with the polylactic acid and results in branching of its polymer backbone, thereby improving its melt strength and stability during fiber spinning without significantly reducing glass transition temperature. (patsnap.com)
  • During volcanic activity a fibrous material may be drawn by vigorous wind from molten basaltic magma called Pele's hair. (wikipedia.org)
  • The substantial benefits of melt blowing are simplicity, high specific productivity[jargon] and solvent-free operation. (wikipedia.org)
  • In Patent Document 2, the multifilament is fed into a nozzle and vibrated so that, from the viewpoint of forming a plurality of nanofibers, the nanofibers can be produced with high productivity. (justia.com)
  • The first research on melt blowing was a naval attempt in the US to produce fine filtration materials for radiation measurements on drone aircraft in the 1950s. (wikipedia.org)
  • It was found while added appropriate content of PE in PC formulations, melt viscosity and strength of the mixture could decrease, which was beneficial in foaming of PC. (4spe.org)
  • But if excessive PE was added, the melt strength of PC/PE mixtures became too low to form cell structure. (4spe.org)
  • Later on, Exxon Corporation developed the first industrial process based on the melt blowing principle with high throughput levels. (wikipedia.org)
  • The high drug throughput rate (extrusion feeding), solvent-free operation and increased surface area of the product make melt blowing a promising new formulation technique. (wikipedia.org)
  • Patent Document 1 discloses a method for producing nanofibers by laser drawing. (justia.com)
  • Patent Document 2 proposes a method for producing nanofibers using vibration spinning of a multifilament. (justia.com)
  • The high drug throughput rate (extrusion feeding), solvent-free operation and increased surface area of the product make melt blowing a promising new formulation technique. (wikipedia.org)
  • 6. Angelica gigas Nakai and Soluplus-Based Solid Formulations Prepared by Hot-Melting Extrusion: Oral Absorption Enhancing and Memory Ameliorating Effects. (nih.gov)
  • 8. Improvement in antiproliferative activity of Angelica gigas Nakai by solid dispersion formation via hot-melt extrusion and induction of cell cycle arrest and apoptosis in HeLa cells. (nih.gov)
  • TL-Trinity Three in one ElectroSpinning machine combines Melt Direct Writing, Near Field ElectroSpinning, and High voltage electroSpinning functions. (electro-spinning.com)
  • It can be used as Melt Direct Writing Machine, Near Field ElectroSpinning Machine, and High Voltage ElectroSpinning Machine. (electro-spinning.com)
  • Electrospinning can be used to produce nanofiber mats by a relatively simple technique. (encyclopedia.pub)
  • investigated the influence of the spinning temperature as well as of the solid content in the solution on the morphology of the gelatin nanofiber mat [ 23 ] . (encyclopedia.pub)
  • Both Nanofiber film and well-ordered single micro-fiber can be made by this machine. (electro-spinning.com)
  • The first research on melt blowing was a naval attempt in the US to produce fine filtration materials for radiation measurements on drone aircraft in the 1950s. (wikipedia.org)
  • Melt blowing can produce drug-loaded fibers for controlled drug delivery. (wikipedia.org)
  • 19. Novel Synergistic Approach: Tazarotene-Calcipotriol-Loaded-PVA/PVP-Nanofibers Incorporated in Hydrogel Film for Management and Treatment of Psoriasis. (nih.gov)
  • 2. Phloretin-loaded fast dissolving nanofibers for the locoregional therapy of oral squamous cell carcinoma. (nih.gov)
  • During volcanic activity a fibrous material may be drawn by vigorous wind from molten basaltic magma called Pele's hair. (wikipedia.org)