Sheath-core Multicomponent Strand Or Fiber Material Patents (Class 442/364)
  • Patent number: 11897245
    Abstract: A method of recycling laminated fabrics and laminated fabric products and producing new laminated fabrics and laminated fabric products includes the steps of shredding scrap or used laminated fabric material, melt separating the polymers, pelletizing the melt separated polymers, extruding the pelletized material with at least one virgin material to form a film, and laminating the film to a nonwoven material to form a new laminated fabric. The scrap or recycled laminated fabric products can include plastic/polymer materials having different melting temperatures. The new laminated fabric can be utilized to produce new products, such as protective covers.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: February 13, 2024
    Assignee: Transhield, Inc.
    Inventors: Seckin Ozol, Na Qi, Gregory L. Todt
  • Patent number: 11898283
    Abstract: A spunbond nonwoven laminate has a plurality of stacked spunbond nonwoven layers, namely at least two and at most four spunbond nonwoven layers that have crimped continuous filaments or consist of crimped continuous filaments. The degree of crimping of the filaments is different in each of these spunbond nonwoven layers, and each of the crimped filaments of the spunbond nonwoven layers has a crimp with at least two, preferably at least three, and more preferably with at least four loops per centimeter of length. The crimped filaments of the spunbond nonwoven layers are multicomponent filaments, particularly bicomponent filaments, with a first plastic component and a second plastic component present in the respective filament in a proportion of at least 10 wt %.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: February 13, 2024
    Assignees: REIFENHAEUSER GMBH & CO. KG MASCHINENFABRIK, FIBERTEX PERSONAL CARE A/S
    Inventors: Sebastian Sommer, Tobias Wagner, Gerold Linke, Patrick Bohl, Morton Rise Hansen
  • Patent number: 11840783
    Abstract: A fully degradable non-woven fabric produced by melt-blown extrusion and an application thereof in the production of medical masks. The fully degradable non-woven fabric is produced through steps of: (S1) preparation of caprolactone-lactic acid random copolymer; (S2) preparation of copolymerized modified PLA; and (S3) preparation of non-woven fabric by the melt-blown extrusion.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: December 12, 2023
    Assignees: CHINA YUNHONG HOLDINGS CO., LTD., Yunhong Environmental Technology Co., Ltd., Guozhong Xinghe Biomedical Technology Co., Ltd.
    Inventors: Jingren He, Yubao Li, Dong Wu, Shuxin Ye, Sijia Jiang, Rui Zhang
  • Patent number: 11821121
    Abstract: Nonwoven fabrics including a first spunmelt through-air-bonded (TAB) nonwoven layer comprising a first plurality of spunmelt fibers, in which the first plurality of spunmelt fibers comprise a biopolymer. The first plurality of spunmelt fibers may be physically entangled with cellulosic fibers, such by hydroentangling. Methods of forming a nonwoven fabric including a first spunmelt TAB nonwoven layer are also provided.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: November 21, 2023
    Assignee: BERRY GLOBAL, INC.
    Inventors: Ralph A. Moody, III, Steven Brian Burgess
  • Patent number: 11806976
    Abstract: Nonwoven materials having at least one layer comprising high core bicomponent fibers are provided. The nonwoven materials can have multiple layers and are suitable for use in a variety of applications, including in absorbent products. The nonwoven materials can have improved resiliency and strength and can retain their structure under wetted conditions and after tension and compression.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: November 7, 2023
    Assignee: Glatfelter Corporation
    Inventors: James B. Parsons, Alan J. Campbell, Timothy J. Kistemaker, Ronald T. Moose, Jacek K. Dutkiewicz, Brian Fong, Thomas J. Cavanaugh
  • Patent number: 11668032
    Abstract: A nonwoven includes: framework fibers; an at least in part fused thermoplastic material; and a thermally embossed mesh pattern having a plurality of intersecting embossed grooves, between which a plurality of embossed elevations are arranged. At least the framework fibers are staple fibers. An equivalent diameter of the embossed elevations is smaller than 50% of a fiber length of the framework fibers. A ratio of a width of the embossed grooves to a thickness of the nonwoven in a region of the embossed elevations is less than or equal to 4/5 A ratio of the width of the embossed grooves to a thickness of the nonwoven in a region of the embossed grooves is from 0.5 to 2.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: June 6, 2023
    Assignee: CARL FREUDENBERG KG
    Inventors: Norbert Weis, Christoph Rieger, Klaus Schwoebel, Dieter Philipp
  • Patent number: 11465570
    Abstract: The invention disclosed herein is an automotive acoustic panel including a porous sound-absorption material made from a polymer and an expanded perlite. One or more silane compounds may be coupled or coated onto the expanded perlite while a coupling agent and a chemical foaming agent may additionally be added to the automotive acoustic panel.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: October 11, 2022
    Assignee: Ford Global Technologies, LLC
    Inventors: Paul Kenneth Dellock, Stuart C. Salter, Richard Gall, David Brian Glickman, Michael A. Musleh
  • Patent number: 10640898
    Abstract: A polyolefin material that comprises a thermoplastic composition that is annealed and thereafter drawn in a solid state is provided. The composition contains a continuous phase that includes a polyolefin matrix polymer and a nanoinclusion additive dispersed within the continuous phase in the form of discrete domains. A porous network is defined within the thermoplastic composition that includes a plurality of nanopores, wherein the thermoplastic composition has a glass transition temperature of from about ?20° C. to about 50° C. as determined in accordance with ASTM E1640-13.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: May 5, 2020
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Vasily A. Topolkaraev, Ryan J. McEneany, Neil T. Scholl, Antonio J. Carrillo, Mark M. Mleziva, Hristo A. Hristov, Yuriy Galabura
  • Patent number: 10461294
    Abstract: Provided are an alkaline battery separator suitably used for an alkaline battery, and an alkaline battery using the separator. The separator includes a nonwoven fabric including subject fibers; at least a part of the subject fibers containing a chelate forming fiber having a chelate formable functional group being capable of forming a chelate with a metal ion. The alkaline battery includes a positive electrode, a negative electrode, the above-described separator placed therebetween, and an electrolyte.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: October 29, 2019
    Assignee: KURARAY CO., LTD.
    Inventors: Tomohiro Hayakawa, Hiroyuki Kawai
  • Patent number: 10413456
    Abstract: An object of the present disclosure is to provide an absorbent body that is both soft and resistant to twisting. The absorbent body of the present disclosure is as follows. An absorbent body for an absorbent article includes thermoplastic resin fibers and cellulose-based water-absorbing fibers, at least some of the thermoplastic resin fibers have a first section 6? exposed on a surface of the liquid-permeable layer side of the absorbent body, a second section 6? exposed on a surface of the liquid-impermeable layer side of the absorbent body and a joint section 6?? connecting the first section 6? and second section 6?, and the tensile strength in a thickness direction of the absorbent body is 100 Pa or greater.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: September 17, 2019
    Assignee: UNICHARM CORPORATION
    Inventors: Yuki Noda, Masashi Uda, Takashi Maruyama
  • Patent number: 10240260
    Abstract: An absorbent article containing a nonwoven web that includes a plurality of polyolefin fibers is provided. The polyolefin fibers are formed by a thermoplastic composition containing a continuous phase that includes a polyolefin matrix polymer and nanoinclusion additive is provided. The nanoinclusion additive is dispersed within the continuous phase as discrete nano-scale phase domains. When drawn, the nano-scale phase domains are able to interact with the matrix in a unique manner to create a network of nanopores.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: March 26, 2019
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Vasily A. Topolkaraev, Ryan J. McEneany, Antonio J. Carrillo, Mark M. Mleziva, Andy J. Meyer
  • Patent number: 9770844
    Abstract: A molding material comprising a fibrous reinforcement layer and a curable resin matrix. The fibrous reinforcement layer comprises a non-woven fabric comprising a single layer of unidirectional tows arranged at an angle greater than 0° in relation to the lengthwise direction of the fabric and a support structure for maintaining the arrangement of the tows.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: September 26, 2017
    Assignees: Hexcel Composites Limited, Hexcel Holding GMBH
    Inventors: Johannes Moser, Philip Hadley
  • Patent number: 9767782
    Abstract: An acoustic air flow resistive article and a method of making same. The acoustic air flow resistive article can include melt blown fibers having a fiber diameter of no greater than 10 ?m and binder fibers dispersed amongst the melt blown fibers and at least partially melt-adhered to the melt blown fibers. The melt blown fibers can be formed of a resin having a first melting point, and the surface of the binder fibers can be at least partially formed of a resin having a second melting point that is less than the first melting point. The method can include mixing the melt blown fibers and the binder fibers to form a web, and pressing the web at a temperature that is less than the first melting point and greater than the second melting point.
    Type: Grant
    Filed: August 13, 2008
    Date of Patent: September 19, 2017
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Satoshi Takeda
  • Patent number: 9688847
    Abstract: Disclosed is a polyolefin composition for stretched film including an olefin-based polymer (A) having a melting endotherm (?H-D), as obtained from a melting endothermic curve which is obtained under a measurement condition of holding a sample at ?10° C. for 5 minutes in a nitrogen atmosphere and then increasing the temperature at a rate of 10° C./min with a differential scanning calorimeter (DSC), of 0 to 80 J/g; and an olefin-based polymer (B) having a melting endotherm (?H-D), as observed under the foregoing measurement condition, of more than 80 J/g, wherein a content of the olefin-based polymer (A) is 0.5% by mass or more and less than 17% by mass relative to a total content of the olefin-based polymer (A) and the olefin-based polymer (B), and the polyolefin composition has a melting endotherm (?H-D), as observed under the foregoing measurement condition, of 80 to 120 J/g.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: June 27, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Nozomu Fujii, Masahiro Kubo
  • Publication number: 20150133018
    Abstract: The present invention provides bi-component polymeric macrofibers having an ethylene-vinyl alcohol (EVOH) outer component and a core or second component comprising a polymer blend of polypropylene grafted with maleic anhydride and polypropylene or polyethylene. The bi-component polymeric macrofibers provide excellent fiber reinforcement in concrete applications.
    Type: Application
    Filed: November 10, 2014
    Publication date: May 14, 2015
    Inventor: Prasanna K. Jog
  • Publication number: 20150125504
    Abstract: Melt blown bicomponent fibers comprising a first thermoplastic polymeric material and a second thermoplastic polymeric material comprising homo- or co-polymer(s) of poly(m-xylene adipamide) or polyphenylene sulfide. The first thermoplastic polymeric material may be one or more homo- or co-polymer(s) of nylon 6 (polycaprolactam), nylon 6,6 (poly(hexamethylene adipamide)), polypropylene, and/or polybutylene terephthalate. A plurality of bicomponent fibers may thermally bonded to one another at spaced apart points of contact to define a porous structure that substantially resists crushing. The nonwoven fabric webs and rovings and self-supporting, three-dimensional porous elements may be formed from the plurality of bicomponent fibers.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 7, 2015
    Inventors: Bennett C. Ward, Brenton D. Dillie
  • Patent number: 8980299
    Abstract: A method of making a biocompatible, implantable medical device, including a vascular closure device is disclosed. The method includes forming a biocompatible polymer into at least one fiber and randomly orienting the at least one fiber into a fibrous structure having at least one interstitial spaces. Polymeric materials may be utilized to fabricate any of these devices. The polymeric materials may include additives such as drugs or other bioactive agents as well as antibacterial agents. In such instances, at least one agent, in therapeutic dosage, is incorporated into at least one of the fibrous structure and the at least one fiber.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: March 17, 2015
    Assignee: Cordis Corporation
    Inventors: Vipul Bhupendra Dave, Howard Scalzo, Jerome Fischer
  • Patent number: 8968859
    Abstract: A heat extensible fiber comprises a conjugate fiber including a first resin component having an orientation index of 30% to 70% and a second resin component having a lower melting point or softening point than the melting point of the first resin component and an orientation index of 40% or more, the second resin component being present on at least part of the surface of the conjugate fiber in a lengthwise continuous configuration. The conjugate fiber is a heat-treated or crimped fiber and being configured to thermally extend when heated at a temperature lower than the melting point of the first resin component. The heat extensible fiber has higher heat self-extensibility than conventional extensible fibers.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: March 3, 2015
    Assignees: Kao Corporation, Daiwabo Holdings Co., Ltd., Daiwabo Polytec Co., Ltd.
    Inventors: Manabu Matsui, Yoshiji Usui, Shigeki Kawakami
  • Publication number: 20150017867
    Abstract: A bi-component fiber (1), in particular for the production of spunbond fabrics (4), with a first component (2) and a second component (3), whereby the first component (2) has a first polymer as an integral part and the second component has a second polymer as an integral part. The polymer of one of the two components (2, 3) has been polymerized with a metallocene catalyst and the polymer of the other component (2, 3) has been polymerized with a Ziegler-Natta catalyst and subjected to a subsequent visbreaking treatment.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 15, 2015
    Inventors: Jörn Schröer, Daniel Placke
  • Publication number: 20150017411
    Abstract: A continuous filament spun-laid web includes a plurality of polymer fibers within the web, the web having a first thickness and the web being free of any thermal or mechanical bonding treatment. Activation of the web results in at least one of an increase from the first thickness prior to activation to a second thickness post activation in which the second thickness is at least about two times greater than the first thickness, a decrease in density of the web post activation in relation to a density of the web prior to activation, the web being configured to withstand an elastic elongation from about 10% to about 350% in at least one of a machine direction (MD) of the web and a cross-direction (CD) of the web, and the web having a tensile strength from about 50 gram-force/cm2 to about 5000 gram-force/cm2.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 15, 2015
    Inventors: Arnold Wilkie, James Brang, Jeffrey Haggard, Angel Antonio De La Hoz
  • Publication number: 20150013295
    Abstract: The present invention provides a filter medium causing a low pressure drop. The present invention is a filter medium including a porous fluororesin membrane and an air-permeable support member laminated on at least one surface of the porous fluororesin membrane. In this filter medium, the air-permeable support member is a blended nonwoven fabric containing: core-sheath fibers (A) having a polyester core and a polyolefin sheath; polyester fibers (B); and core-sheath fibers (C) having a polyester core and a copolymerized polyester sheath.
    Type: Application
    Filed: February 18, 2013
    Publication date: January 15, 2015
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shiho Uchiyama, Yuri Horie, Masahiro Arai, Masaaki Mori, Tetsuo Asano, Nobuhiro Matsunaga
  • Publication number: 20150004386
    Abstract: A sheet for packaging edible meat is provided that includes a layer A and a layer B thermally adhered to each other. In the sheet, the layer A is a wet-laid nonwoven fabric produced by mixing a first core-in-sheath fiber (a) having a core made of polyester and a sheath made of polyethylene, a second core-sheath fiber (b) having a core made of polyester and a sheath made of a low-melting-point polyester, and an ultrafine polyester fiber (c). The layer B is a spunbonded nonwoven fabric produced from a third core-sheath fiber having a core made of polyester and a sheath made of polyethylene. Also a casing for packaging edible meat is provided that is formed from the sheet for packaging edible meat.
    Type: Application
    Filed: May 23, 2013
    Publication date: January 1, 2015
    Inventors: Takeo Okami, Hajime Itoshiro, Yasuhiko Ogi, Hidekazu Kito
  • Publication number: 20140363653
    Abstract: A structural fiber product usable as an adsorbent or the like is provided. A graft component for forming a graft chain is graft-polymerized onto a structural fiber object; the structural fiber object comprises a fiber assembly comprising at least a conjugated fiber, and an ethylene-vinyl alcohol-series copolymer exists on at least part of a surface of the fiber. The graft polymerization may be conducted, for example, by exposing a structural fiber object to radiation to generate an active species and immersing the structural fiber object in a liquid containing a graft component to bring the structural fiber object into contact with the graft component. According to the method, the graft component can be polymerized at a high degree of grafting, and a structural fiber product having an excellent adsorption characteristic is obtained.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 11, 2014
    Applicants: University of Fukui, Kuraray Co., Ltd.
    Inventors: Teruo Hori, Tomoki Sakai, Hideki Hoshiro, Atsumi Adachi, Yasuro Araida, Sumito Kiyooka
  • Publication number: 20140349539
    Abstract: A nonwoven fabric having improved air permeability and manufacturing method thereof are presented. The nonwoven fabric has improved air permeability and is formed with long fiber nonwoven fabric of single or multi layer, wherein the long fiber nonwoven fabric is produced by spinning polytrimethylene terephthalate having viscosity of 0.8 to 1.2 and polyethylene terephthalate having viscosity of 0.6 to 0.8 to sheath/core shape with using each spinneret pack which can spin filaments having different denier from each other and arranged in parallel with each other, and then heat pressing with free-embossing or embossing pattern to bind the filaments. The nonwoven fabric has excellent air permeability, softness and resistance, which are required for nonwoven fabric sheets used for various purposes as well as their economical production.
    Type: Application
    Filed: April 7, 2014
    Publication date: November 27, 2014
    Inventors: Seo Jin Park, Dong Wook Kim, Je Deuk Yoon
  • Patent number: 8895459
    Abstract: The present invention relates to a new bicomponent fiber, a nonwoven fabric comprising said new bicomponent fiber and sanitary articles made therefrom. The bicomponent fiber contains a polyethylene-based resin forming at least part of the surface of the fiber longitudinally continuously and is characterized by a Co-monomer Distribution Constant greater than about 45, a recrystallization temperature between 85° C. and 110° C., a tan delta value at 0.1 rad/sec from about 15 to 50, and a complex viscosity at 0.1 rad/second of 1400 Pa·sec or less. The nonwoven fabric comprising the new bicomponent fiber according to the instant invention are not only excellent in softness, but also high in strength, and can be produced in commercial volumes at lower costs due to higher thoughputs and requiring less energy.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: November 25, 2014
    Assignee: Trevira GmbH
    Inventors: Jorg Dahringer, Bernd Blech, Werner Stefani, Werner Grasser, Mehmet Demirors, Gert Claåsen
  • Patent number: 8889573
    Abstract: The present invention relates to a fiber assembly obtained by electrifying a resin in a melted state by application of voltage between a supply-side electrode and a collection-side electrode so as to extend the resin into an ultrafine composite fiber by electrospinning, and accumulating the ultrafine composite fiber, wherein the ultrafine composite fiber includes at least two polymeric components and the ultrafine composite fiber includes at least one type of composite fiber selected from a sea-island structure composite fiber and a core-sheath structure composite fiber as viewed in fiber cross section, at least one selected from an island component and a core component has a volume specific resistance of 1015?·cm or less, and at least one selected from a sea component and a sheath component has a volume specific resistance exceeding 1015?·cm.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: November 18, 2014
    Assignees: Daiwabo Holdings Co., Ltd., Daiwabo Polytec Co., Ltd.
    Inventor: Toshio Kamisasa
  • Publication number: 20140276517
    Abstract: Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Inventors: Stephen O. Chester, Albert Witarsa, Stefanie Streich, Helmut Hartl, Harald Siebner, Daniel Kong, David D. Newkirk
  • Publication number: 20140234604
    Abstract: Laminates with a layer of bonded nonwoven material attached to a layer of film.
    Type: Application
    Filed: April 28, 2014
    Publication date: August 21, 2014
    Applicant: The Procter & Gamble Company
    Inventors: Jonathan Aaron Lu, Robert Haines Turner, Lisa Marie Reynolds, Thomas Burkhart, Helmut Hartl, Deying Kong, David D. Newkirk
  • Patent number: 8790421
    Abstract: A non-woven fabric reacting with a liquid to generate gas fuel is provided. The non-woven fabric includes a plurality of core-sheath fibers, and each of the core-sheath fibers includes a core layer, a sheath layer, and a plurality of solid particles. The core layer has a first melting point. The sheath layer wraps the core layer and has a second melting point, wherein the first melting point is higher than the second melting point. The solid particles are combined to each of the sheath layers. Moreover, a method for fabricating the non-woven fabric, a gas fuel generation device using the non-woven fabric, and a method for generating the gas fuel are also provided.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: July 29, 2014
    Assignee: Young Green Energy Co.
    Inventors: Cheng Wang, Po-Kuei Chou
  • Publication number: 20140163446
    Abstract: The present invention pertains to nonwoven webs, and multi-component fibers comprising polydiorganosiloxane polyamide as well as method of making microfibers and multi-component fibers comprising a polydiorganosiloxane polyamide copolymer.
    Type: Application
    Filed: August 8, 2012
    Publication date: June 12, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Joon Chatterjee, Donald R. Battles, Matthew T. Scholz, David S. Hays, Bradley W. Eaton, Torrence B. Stahl
  • Publication number: 20140120301
    Abstract: Sheathing assemblies and methods for making and using same are provided. The sheathing assembly can include a body and a barrier secured to a first side of the body. The body can include a plurality of lignocellulosic substrates. Any adhesive disposed between the body and the barrier can consist of: (1) a first adhesive disposed throughout the body and having a substantially constant concentration within the body, (2) a second adhesive disposed throughout the barrier and having a substantially constant concentration within the barrier, or (3) a first adhesive disposed throughout the body and having a substantially constant concentration within the body and a second adhesive disposed throughout the barrier and having a substantially constant concentration within the barrier.
    Type: Application
    Filed: October 29, 2013
    Publication date: May 1, 2014
    Applicant: Georgia-Pacific Wood Products LLC
    Inventors: Richard David Jordan, Michael Eugene Carroll
  • Publication number: 20140087618
    Abstract: A nonwoven fabric comprising a meltspun fibre of a lignin compound. Also claimed a laminated fabric comprising the nonwoven fabric, a nonwoven fabric product comprising the nonwoven fabric, a structured multicomponent fibre comprising a lignin compound, a web comprising a meltspun fibre of a lignin compound and a method of producing a nonwoven fabric by forming a web of meltspun fibre comprising a lignin compound and bonding at least a portion of the fibre in the web to form the nonwoven fabric.
    Type: Application
    Filed: October 19, 2011
    Publication date: March 27, 2014
    Applicant: FITESA NONWOVEN, INC.
    Inventors: David Dudley Newkirk, Juergen Friedrich Rudolph, Helmut Hartl
  • Publication number: 20140080377
    Abstract: Crosslinking systems suitable for use in a polymer melt composition wherein the polymer melt composition comprises a hydroxyl polymer; polymeric structures made from such polymer melt compositions; and processes/methods related thereto are provided.
    Type: Application
    Filed: November 20, 2013
    Publication date: March 20, 2014
    Applicant: THE PROCTER & GAMBLE COMPANY
    Inventors: Stephen Wayne HEINZMAN, Linda EVERS SMITH, Gregory Charles GORDON, Larry Neil MACKEY, John Gerhard MICHAEL, Mark Ryan RICHARDS
  • Publication number: 20140072788
    Abstract: Disclosed are highly extensible bonded webs or multilayered sheets containing these. These products can be processed in a ring-roll process without damage. The bonded webs or multilayered sheets can be used, for example in the manufacture of diapers.
    Type: Application
    Filed: September 19, 2013
    Publication date: March 13, 2014
    Inventors: Thomas Burkhart, Walter D. Daniels, Helmut Hartl, Jonathan A. Lu, Deying Kong, David Dudley Newkirk, Robert H. Turner, Lisa Reynolds, Tonny Debeer
  • Publication number: 20140030947
    Abstract: Processes for preparing ultra-high molecular weight polyethylene yarns, and the yarns and articles produced therefrom. The surfaces of highly oriented yarns are subjected to a treatment that enhances the surface energy at the yarn surfaces and are coated with a protective coating immediately after the treatment to increase the expected shelf life of the treatment.
    Type: Application
    Filed: March 12, 2013
    Publication date: January 30, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: HENRY GERARD ARDIFF, RALF KLEIN, JOHN ARMSTRONG YOUNG, THOMAS TAM
  • Publication number: 20140017966
    Abstract: A polyphenylene sulfide composite fiber which consists primarily of component A and component B, the component A being a resin primarily containing polyphenylene sulfide made from p-phenylene sulfide as a primary unit, the component B being a resin primarily containing a copolymerized polyphenylene sulfide made from at least one kind of copolymerization unit other than p-phenylene sulfide, wherein at least one part of a fiber surface is made of component B. A thermally adhesive composite fiber and a nonwoven fabric which are made of a resin consisting primarily of polyphenylene sulfide and are excellent in heat resistance, flame retardancy and chemical resistance can be provided.
    Type: Application
    Filed: February 28, 2012
    Publication date: January 16, 2014
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Yohei Nakano, Yoshikazu Yakake, Masashi Ito
  • Publication number: 20130344763
    Abstract: Methods for electrospinning a hydrophobic coaxial fiber into a superhydrophobic coaxial fiber mat can include providing an electrospinning coaxial nozzle comprising a core outlet coaxial with a sheath outlet, ejecting an electrospinnable core solution from the core outlet of the electrospinning coaxial nozzle, ejecting a hydrophobic sheath solution from the sheath outlet of the electrospinning coaxial nozzle, wherein the hydrophobic sheath solution annularly surrounds the core solution, applying a voltage between the electrospinning coaxial nozzle and a collection plate, wherein the voltage induces a jet of the electrospinnable core solution annularly surrounded by the hydrophobic sheath solution to travel from the electrospinning coaxial nozzle to the collection plate to form the hydrophobic coaxial fiber comprising an electrospinnable polymer core coated with a hydrophobic sheath material, and wherein collection of the hydrophobic coaxial fiber on the collection plate yields the superhydrophobic coaxial fib
    Type: Application
    Filed: August 26, 2013
    Publication date: December 26, 2013
    Applicant: University of Cincinnati
    Inventors: Andrew J. Steckl, Daewoo Han
  • Publication number: 20130337249
    Abstract: Insulating materials are provided, the insulating materials comprising a nonwoven web comprising a plurality of continuous spunbonded polyester bicomponent fibers. Each of the plurality of bicomponent fibers comprises a) from about 20% by weight to about 80% by weight of poly(ethylene terephthalate) in a core, and b) from about 80% by weight to about 20% by weight of poly(trimethylene terephathalate) in a sheath surrounding the core, wherein the amounts in percent by weight are based on the total weight of each of the plurality of bicomponent fibers. Also provided are electrical apparatuses comprising the insulating materials and a dielectric fluid, as well as a dielectric material comprising the nonwoven web impregnated with at least 10 weight percent of a dielectric fluid.
    Type: Application
    Filed: August 24, 2012
    Publication date: December 19, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Gyorgyi Fenyvesi, Mark Andrew Harmer, Byoung Sam Kang, Lakshmi Krishnamurthy, Serge Rebouillat, Peter A. Brown, Weiming Qiu
  • Publication number: 20130323995
    Abstract: The nonwoven fabric has excellent secondary fabrication properties, specially, low temperature heat-sealing properties. The textile product is formed by using the nonwoven fabric. More specifically, the nonwoven fabric includes one or more layers, wherein the nonwoven fabric made of one layer, or at least one layer of the nonwoven fabric composed of two layers, or at least one layer of the two outermost layers of the nonwoven fabric of multi-layer consisting of three or more layers is formed by using a crystalline resin composition containing 1 to 99% by mass of a low crystalline olefin polymer satisfying the following expression (a): ?H?6×(Tm?140° C.) wherein ?H represents a melt endotherm, and Tm represents a melting point.
    Type: Application
    Filed: January 31, 2012
    Publication date: December 5, 2013
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yohei Koori, Tomoaki Takebe, Yutaka Minami
  • Publication number: 20130316607
    Abstract: There is provided a nonwoven fabric laminate that is capable of being disinfection-treated with e.g., electron beam and is excellent in tensile strength, barrier properties, low-temperature sealability, and softness. The present invention provides a nonwoven fabric laminate obtained by laminating a spunbonded nonwoven fabric on at least one surface of a melt-blown nonwoven fabric (A), the melt-blown nonwoven fabric (A) including fibers of an ethylene-based polymer resin composition of an ethylene-based polymer (a) and an ethylene-based polymer wax (b), the spunbonded nonwoven fabric including a conjugate fiber formed from a polyester (x) and an ethylene-based polymer (y) such that at least part of the fiber surface is the ethylene-based polymer (y).
    Type: Application
    Filed: February 15, 2012
    Publication date: November 28, 2013
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Taro Ichikawa, Kuniaki Kawabe
  • Patent number: 8563449
    Abstract: A non-woven material and method of formation thereof is provided to form a substantially flat or planar self supporting core of an inorganic base fiber and an organic binding fiber preferably using an air-laid forming head. In certain preferred embodiments, the organic base fiber has a fiber strength with a break load of about 10 grams or less and an elongation of about 20 percent or less. Preferably, the organic binding fiber has a binding component and a structural component within unitary fiber filaments. In one aspect, the structural component of the organic binding fiber has a composition effective to provide a strength thereof so that the non-woven material can be manually cut with minimal effort. In such form, the non-woven material is suitable to function as an acoustic ceiling tile.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: October 22, 2013
    Assignee: USG Interiors, LLC
    Inventors: Donald Mueller, Weixin Song, Bangji Cao
  • Patent number: 8541323
    Abstract: A splittable conjugate fiber comprising a polyester segment and a polyolefin segment, wherein the splittable conjugate fiber comprises two or more parts of the polyester segment extending from a center of the fiber toward an outer edge of the fiber in a cross-sectional configuration perpendicular to its longitudinal direction, in which at least one of the two or more parts of the polyester segment extending from the center of the fiber toward the outer edge of the fiber is exposed at the outer edge of the fiber and at least one of the two or more parts of the polyester segment extending from the center of the fiber toward the outer edge of the fiber is unexposed at the outer edge of the fiber.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: September 24, 2013
    Assignees: ES Fibervisions Co., Ltd., ES Fibervisions Hong Kong Limited, ES Fibervisions LP, ES Fibervisions APS
    Inventors: Yukiharu Shimotsu, Minoru Miyauchi, Kazuyuki Sakamoto
  • Patent number: 8513148
    Abstract: A thermally adhesive laminated nonwoven fabric that is a laminated nonwoven fabric in which nonwoven fabrics of the following (a) layer, (b) layer and (c) layer are integrated by heat contact bonding: (a) layer having at least one filament yarn nonwoven fabric layer composed of a thermoplastic resin; (b) layer having at least one extremely fine yarn nonwoven fabric layer composed of the same type of thermoplastic resin as that of the (a) layer; and (c) layer having at least one composite filament yarn nonwoven fabric layer composed of a thermoplastic resin, and that satisfies the following (1) and (2): (1) a difference between the melting point of the yarn forming the nonwoven fabric of the (a) layer and that of a yarn forming the nonwoven fabric of the (b) layer is 30° C.
    Type: Grant
    Filed: January 24, 2007
    Date of Patent: August 20, 2013
    Assignee: Asahi Kasei Fibers Corporation
    Inventors: Takaharu Irie, Ikuo Ueno
  • Patent number: 8501646
    Abstract: A non-woven fabric laminate that is excellent in strechability, flexibility, and bulkiness, and that is less sticky and is suitable for a mechanical fastening female material. The non-woven fabric laminate includes a mixed fiber spunbonded non-woven fabric and a non-woven fabric comprising a crimped fiber that is laminated on at least one face of the mixed fiber spunbonded non-woven fabric, which includes a continuous fiber of a thermoplastic elastomer (A) in the range of 10 to 90% by weight and a continuous fiber of a thermoplastic resin (B) in the range of 90 to 10% by weight (where (A)+(B)=100% by weight). The non-woven fabric laminate can be suitably used for a sanitary material and other materials. More specifically, there can be mentioned for instance an absorbent article such as a disposable diaper and a menstrual sanitary product as a sanitary material.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: August 6, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Shigeyuki Motomura, Kenichi Suzuki, Kazuhiko Masuda, Hisashi Morimoto, Naosuke Kunimoto
  • Patent number: 8501317
    Abstract: Cloth, in which air permeability is variable by energization, includes: a fibrous object composed of composite fibers, each of the composite fibers including: an electrical-conductive polymeric material; and a material different from the electrical-conductive polymeric material, the different material being directly stacked on the electrical-conductive polymeric material; and electrodes which are attached to the fibrous object, and energize the electrical-conductive polymeric material. Each of the composite fibers has a structure in which the material different from the electrical-conductive polymeric material is stacked on at least a part of a surface of the electrical-conductive polymeric material, or a structure in which either one of the electrical-conductive polymeric material and the material different from the electrical-conductive polymeric material penetrates the other material in a longitudinal direction.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: August 6, 2013
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Hiroaki Miura
  • Patent number: 8481437
    Abstract: The invention relates to a thermally bound non-woven material containing a low-shrinkage dual-component core-sheath fiber consisting of a crystalline polyester core and a crystalline polyester sheath which has a melting point at least 10° C. lower than the core, the heat-shrinkage characteristic of said fiber being less than 10% at 170° C.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: July 9, 2013
    Assignee: Carl Freudenberg KG
    Inventors: Armin Greiner, Klaus Veeser, Holger Schilling, Guenter Frey, Ralph Berkemann
  • Publication number: 20130160638
    Abstract: A fiber includes at least a first portion extending axially and including a shear thickening fluid. The fiber further includes at least a second portion extending radially outwardly from the first portion. The second portion extends axially and radially encompasses the first portion over a length thereof. The shear thickening fluid may, for example, include particles suspended in a liquid phase. The second portion may, for example, include an abrasion resistant material. The fiber may further include at least a third portion extending axially and positioned radially inward of the first portion. The third portion may, for example, include a material having a higher strength than the second portion.
    Type: Application
    Filed: August 29, 2012
    Publication date: June 27, 2013
    Applicant: Protective Products Enterprises, Inc.
    Inventor: Gerrad S. Allison
  • Patent number: 8444896
    Abstract: Disclosed are water-dispersible fibers derived from sulfopolyesters having a Tg of at least 25° C. The fibers may contain a single sulfopolyester or a blend of a sulfopolyester with a water-dispersible or water-nondispersible polymer. Also disclosed are multicomponent fibers comprising a water dispersible sulfopolyester having a Tg of at least 57° C. and a water non-dispersible polymer. The multicomponent fibers may be used to produce microdenier fibers. Fibrous articles may be produced from the water-dispersible fibers, multicomponent fibers, and microdenier fibers. The fibrous articles include water-dispersible and microdenier nonwoven webs, fabrics, and multilayered articles such as wipes, gauze, tissue, diapers, panty liners, sanitary napkins, bandages, and surgical dressings. Also disclosed is a process for water-dispersible fibers, nonwoven fabrics, and microdenier webs.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: May 21, 2013
    Assignee: Eastman Chemical Company
    Inventors: William Alston Haile, Scott Ellery George, Wesley Raymond Hale, Waylon Lewellyn Jenkins
  • Patent number: 8444895
    Abstract: Disclosed are water-dispersible fibers derived from sulfopolyesters having a Tg of at least 25° C. The fibers may contain a single sulfopolyester or a blend of a sulfopolyester with a water-dispersible or water-nondispersible polymer. Also disclosed are multicomponent fibers comprising a water dispersible sulfopolyester having a Tg of at least 57° C. and a water non-dispersible polymer. The multicomponent fibers may be used to produce microdenier fibers. Fibrous articles may be produced from the water-dispersible fibers, multicomponent fibers, and microdenier fibers. The fibrous articles include water-dispersible and microdenier nonwoven webs, fabrics, and multilayered articles such as wipes, gauze, tissue, diapers, panty liners, sanitary napkins, bandages, and surgical dressings. Also disclosed is a process for water-dispersible fibers, nonwoven fabrics, and microdenier webs.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: May 21, 2013
    Assignee: Eastman Chemical Company
    Inventors: William Alston Haile, Scott Ellery George, Wesley Raymond Hale, Waylon Lewellyn Jenkins
  • Patent number: 8435908
    Abstract: Disclosed are water-dispersible fibers derived from sulfopolyesters having a Tg of at least 25° C. The fibers may contain a single sulfopolyester or a blend of a sulfopolyester with a water-dispersible or water-nondispersible polymer. Also disclosed are multicomponent fibers comprising a water dispersible sulfopolyester having a Tg of at least 57° C. and a water non-dispersible polymer. The multicomponent fibers may be used to produce microdenier fibers. Fibrous articles may be produced from the water-dispersible fibers, multicomponent fibers, and microdenier fibers. The fibrous articles include water-dispersible and microdenier nonwoven webs, fabrics, and multilayered articles such as wipes, gauze, tissue, diapers, panty liners, sanitary napkins, bandages, and surgical dressings. Also disclosed is a process for water-dispersible fibers, nonwoven fabrics, and microdenier webs.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: May 7, 2013
    Assignee: Eastman Chemical Company
    Inventors: William Alston Haile, Scott Ellery George, Wesley Raymond Hale, Waylon Lewellyn Jenkins