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 World Catalog > Business > Textiles and Nonwovens > Fibers > Man-made > Resources > Articles and Studies > Spinning Technology

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World Catalog > Business > Textiles and Nonwovens > Fibers > Man-made > Resources > Articles and Studies > Spinning Technology

Spinning Technology:

Allometric Scaling and Instability in Electrospinning

Technical paper discussing the regulatory mechanisms for controlling the radius of electrospun fibers. Authors: Ji-Huan He and others. [PDF]

http://www.ijnsns.com/2004-05-03/7scaling.pdf

Application of Vibration Technology to Polymer Electrospinning

Technical paper describing experiments at electrospinning of polymeric fibers at a lower applied voltage by vibration technology to produce finer nanofibers, and increasing mechanical strength through reduced threshold voltage. Authors: Ji-Huan He and others. [PDF]

http://www.ijnsns.com/2004-05-03/8-wan-electrospinning.pdf

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Bicomponent Extrusion

Feature article about a novel process for bi-component extrusion of core/sheath ceramic fibers for applications in metal and ceramic matrix composites. Author: Gerard Curran.

http://www.azom.com/details.asp?ArticleID=624

Biopersistence of Man-made Fibers by Animal Inhalation Experiments in Recent Reports

Study showing that the biopersistence and maximum tolerated dose are important factors for the hazard assessment of man-made fibers, in addition to fiber size, chemical composition and surface properties. Authors: Isamu Tanaka and others. [PDF]

http://www.journalarchive.jst.go.jp/jnlpdf.php?cdjournal=indhealth1963&cdvol=39&noissue=2&startpage=114&lang=en&from=jnlabstract

Cavitation of Polyethylene during Extrusion Processing Instabilities

Technical paper presenting observations of cavitation that occur inside a capillary die during the spinning process of polyethylene fibers. Authors: Younggon Son and Kalman B. Migler. [PDF]

http://polymers.msel.nist.gov/uploads/migler0402.pdf

Creep of Gel-Spun Polyethylene Fibers; Improvements by Impregnation and Crosslinking

Doctor of Science thesis about research into improving the creep resistance of gel-spun polyethylene fibers through supercritical CO2 assisted impregnation with benzophenone, followed by ultraviolet irradiated crosslinking. Author: M.J.N. Jacobs. [PDF]

http://alexandria.tue.nl/extra2/9903223.pdf

Crystal Structure, Conformation and Morphology of Solution-Spun Polylactide Fibers

Technical paper describing two different crystal structures which are obtained with solution spinning of polylactide (PLA) fibers, depending on spinning and drawing conditions. Authors: W. Hoogsteen and others. [PDF]

http://msc.eldoc.ub.rug.nl/FILES/root/BrinkeGten/1990/MacromolHoogsteen/1990MacromolHoogsteen.pdf

3-D Microscope Using Diffraction Grating

Technical paper about the adaptation of an optical microscope for three-dimensional inspection of small capillaries in spinnerets by placing a diffraction grating between the microscope objective and the specimen. Authors: Tom DeWitt and Douglas Lyon. [PDF]

http://home.earthlink.net/~scan3d/acrobat/microscope.pdf

DSC Experiments on Gel-Spun Polyethylene Fibers

Technical paper about distinguishing lamellar structures in gel-spun polyethylene fibers through DSC experimenting on strained fibers, on the basis of which qualitative predictions of the final tensile properties can be made. Authors: W. Hoogsteen, G. ten Brinke and A.J. Pennings. [PDF]

http://msc.eldoc.ub.rug.nl/FILES/root/BrinkeGten/1988/CollPolymScHoogsteen/1988CollPolymSciHoogsteen.pdf

The Effects of Processing Variables on the Morphology of Electrospun Nanofibers and Textiles

Extensive technical paper evaluating the effects of spinning voltage and solution concentration on the morphology of electrospun polymeric fibers. Authors: J.M. Deitzel and others. [PDF]

http://msewww.engin.umich.edu:81/people/milty/research/electrospinning/literature/2001_Deitzel_Tan_The%20effect%20of%20processing%20variables%20on%20the%20morphology%20of%20electrospun%20nanofibers%20and%20textiles.pdf

Electroless Deposition of Nickel on Electrospun Fibers

Technical paper presenting the results of experimental work, combining electrospinning technology and electroless deposition techniques to prepare metal-coated conductive nonwoven fiber mats. Authors: N.J. Pinto and others. [PDF]

http://www1.uprh.edu/npinto/papers/ampsacoatingpaper.pdf

Electrospinning: A Whipping Fluid Jet Generates Submicron Polymer Fibers

Technical paper describing the phenomena responsible for the onset of whipping during the electrospinning process, and the behaviour of two competing instabilities; the Raleigh mode and the axisymmetric conducting mode. Authors: Y.M. Shin and others. [PDF]

http://www.deas.harvard.edu/brenner/apl.pdf

Electrospinning and Electrically Forced Jets. I. Stability Theory

First part of a series of technical papers analysing the mechanics of the rapidly whipping fluid jet in electrospinning, developing an asymptotic approximation of the equations of electrohydrodynamics for quantitative comparisons in experiments. Authors: Michael P. Brenner and others. [PDF]

http://www.deas.harvard.edu/brenner/physfluid1.pdf

Electrospinning and Electrically Forced Jets. II. Applications

Part two of a technical paper, presenting the development of a quantitative method for predicting when electrospinning occurs, based on the stability theory of the first part of this paper. Authors: Moses M. Hohman and others. [PDF]

http://www.deas.harvard.edu/brenner/physfluid2.pdf

Electrospinning Carbon Nanotube Polymer Composite Nanofibers

Technical paper presenting an overview of current developments in pre-processing, synthesis and characterization of electrospun polymer composite nanofibers, including the theoretical modelling of these fiber systems. Authors: Leslie Y. Yeo and James R. Friend. [PDF]

http://users.monash.edu.au/~lyeo/Dr_Leslie_Yeo/Publications_files/Yeo_Friend_JEN_1_177_2006.pdf

Electrospinning of Ceramic and Nanocomposite Nanofibers

Master of Science thesis discussing the principles of the electrospinning process; and electric field strength and point-to-plate distance, and the distance between the emission point and the collection point which effect the process of forming a nonwoven substrate of ceramic and titania nanofibers. Author: Peter Jared Goldstein. [PDF]

http://etd.fcla.edu/UF/UFE0003480/goldstein_p.pdf

Electrospinning of Low Surface Energy Quarternary Ammonium Salt Containing Polymers and Their Antibacterial Activity

Technical paper about research into electrospinning of antibacterial agents containing perfluorinated polymers to create fibers for antifouling applications in air filtration, marine products and medicine. Authors: Kazim Acatay and others. [PDF]

http://drexel.edu/coe/research/conferences/NATOASI2003/manuscripts/1.9%20Acatay.pdf

Elongational Flows in Polymer Processing

Doctoral theses discussing the quasilinear hyperbolic equations of melt-spinning polymeric fibers in viscous and viscoelastic flow which model the uniaxial extension of a fluid threat before its solidification. Author: Thomas Cristoph Hagen. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-110298-102457/unrestricted/hagenetd.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part 1

Title page, acknowledgments and index of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/titlecon.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part II

First chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, containing an introduction to and a description of the thesis. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/c1.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part III

Second chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, focused on a theoretical description and investigation of the intermeshing counter-rotating twin screw extruder. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/c2.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part IV

Third chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, providing an overview of the applications of polystyrene and styrene copolymers and a theoretical and experimental evaluation of the polymerisation rates. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/c3.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part V

Fourth chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, describing the copolymerisation of styrene-n-butylmethacrylate in a counter-rotating twin screw extruder. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/c4.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part VI

Fifth chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, focusing on the influence of the polymer melt viscosity on the working domain in reactive extrusion. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/c5.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part VII

Sixth chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, dealing with the rate of polymerisation on the working domain in reactive extrusion. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/c6.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part VIII

Seventh chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, describing the development of a new theory concerning reactive extrusion, resulting in a new optimisation diagram for the extruder used as a polymerisation reactor. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/c7.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part VIIII

Eighth chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, describing the possibilities of reactive extrusion for making polymer blends. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/c8.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part X

Ninth chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, outlining the conclusions concerning the theory of the extruder and the resulting product properties. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/c9.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part XI

Tenth chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, providing a Dutch language summary of the thesis. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/samenvat.pdf

The Extruder as a Polymerisation Reactor for Styrene Based Polymers. Part XII

Eleventh chapter of A. J. van der Goot's Doctoral thesis on polymer extruders for styrene based polymers, providing a summary of the thesis. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1996/a.j.van.der.goot/summary.pdf

Fabrication of Aligned PVA Nanofibers by Electrospinning

Technical paper describing a novel method for the fabrication of an uniaxially-aligned electrospun polyvinyl alcohol (PVA) fiber tow, obtained by utilizing two stainless steel wires vertically set in a parallel manner between a charged needle and a grounded collector plate. Authors: Surawut Chuangchote and Pitt Supaphol. [PDF]

http://www.ppc.chula.ac.th/Pitt/papers/PS_SC_1.pdf

Feasibility of Electrospinning the Globular Proteins Hemoglobin and Myoglobin

Scientific paper describing the process of electrospinning of two globular proteins hemoglobin and myoglobin into nonwoven structures to be used as an oxygen delivering scaffold for optimal wound healing. Authors: Catherine P. Barnes and others. [PDF]

http://www.jeffjournal.org/papers/06Dec_Electrospinning.pdf

A Fundamental Investigation of the Formation and Properties of Electrospun Fibers

Technical paper presenting a project aimed at developing fundamental engineering science and technologies of electrostatic fiber spinning. Authors: G.C. Rutledge and others. [PDF]

http://www.ntcresearch.org/pdf-rpts/AnRp01/M98-D01-01.pdf

A Fundamental Investigation of the Formation and Properties of Electrospun Fibers

Technical paper describing a new project with the objective of developing fundamental engineering science and technology for electrostatic fiber production. Authors: S.B. Warner and others. [PDF]

http://www.ntcresearch.org/pdf-rpts/AnRp99/M98-D01.pdf

High-Speed Gel-Spinning of Ultra-High Molecular Weight Polyethylene

Technical paper reporting on an experiment in gel-spinning of ultra-high molecular weight polyethylene (UHMWPE) in parafin oil at speeds of 1500 meters per minute and around 200 degrees Centigrade, yielding filaments with a tensile strength of 3.5 GPa. Authors: A.J. Pennings and others. [PDF]

http://msc.eldoc.ub.rug.nl/FILES/root/BrinkeGten/1986/PolymBullPennings/1986PolymBullPennings.pdf

In Situ Small-Angle X-Ray Scattering Experiment in Melt Spinning of High-Density Polyethylene

Technical paper reporting on an in situ experiment to determine the effect of flow on the structure formation in polymeric melt under non-isothermal conditions. Authors: Hiroki Murase and others. [PDF]

http://www.spring8.or.jp/pdf/en/res_fro/03/110-111.pdf

The Influence of Branching and Intermolecular Interactions on the Formation of Electrospun Fibers

Doctor of Philosophy thesis investigting the implications of chain topology and intermolecular interactions on the electrospinning process for linear and randomly branched polymer fibers. Author: Matthew G. McKee. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-10252005-103247/unrestricted/McKeedissertation.pdf

Interferometric Studies for the Annealing Effects on the Necking Deformation along Polypropylene Fibers

Technical paper, describing test procedures under different conditions of the annealing process, to investigate a method by which necking deformation of polypropylene fiber axis due to fast drawing processes could be avoided. Authors: Hassan Mohamed El-Dessouky and others. [PDF]

http://www.jeffjournal.org/papers/Volume2/El-Dessouky.pdf

An Internet-Accessible Software Package for Modelling Viscoelastic Flow

Extensive article focusing on research and development of a web-based C++ software package which numerically models viscoelastic flow in polymer processing. Authors: J. Barr von Oehsen and others. [PDF]

http://www.symbolicnet.org/conferences/iamc2002/cox.pdf

Investigation of the High Speed Spinning Process of Polyethylene Terephthalate

Technical paper presenting an experiment measuring wide-angle diffraction during high speed spinning of polyethylene terephthalate (PET) using synchroton radiation. Authors: R. Klob and others. [PDF]

http://www.chemie.uni-hamburg.de/tmc/stribeck/pub/xv055.pdf

Isothermal Viscoelastic Fiber Spinning Model

Description and mathematical model of meltspinning process. From Dr. Greg Beaucage homepage.

http://www.eng.uc.edu/~gbeaucag/RyanBreese/Meltprocessing/fiber.htm

The Manufacture of Micro Capillary Polymer Film Extrusions

Technical paper presenting a novel method for manufacturing flat, capillary-embedded polymer extrudates such as hollow fiber by injecting gas into a convergent extrusion die. Authors: B. Hallmark and M.R. Mackley. [PDF]

http://www.cheng.cam.ac.uk/research/groups/polymer/RMP/bart/mcf/papers%20and%20talks/THE%20MANUFACTURE%20OF%20MICRO%20CAPILLARY%20POLYMER%20FILM%20EXTRUSIONS.pdf

Melt Spinning

Report of a laboratory project in melt spinning of polymers, co-polymers and blends into fiber for yarn manufacture and nonwovens. Flow charts. Basic equations. From the Institute for Polymer Research Dresden. Authors: Prof. Dr. Roland Beyreuther and others.

http://www.ipfdd.de/research/res25/res25.html

Melt-Spinning and Laser-Heated Drawing of a New Semi-Aromatic Polyamide, PA9-T Fiber

Extensive technical paper describing the manufacture of melt-spun fibers of a new semi-aromatic polyamide (PA9-T), which were subsequently drawn with a CO2 laser-heated drawing system at different draw ratios and various drawing velocities. Authors: Ahmed Jalal Uddin and others. [PDF]

http://texsys.shinshu-u.ac.jp/ohkoshi/home/research/report/PA-9T%20Laser-Drawing.pdf

Melt-Spinning Dynamics of Phan-Thien Tanner Fluids

Technical paper about an investigation into the dynamic behaviour of non-isothermal melt-spinning by employing the Phan-Thien Tanner (PTT) fluids model. Author: Joo Sung Lee and others. [PDF]

http://www.rheology.or.kr/down/12-2(4).pdf

Methematical Models for a Rotor Spinning Process

Interim research report for a Master of Science thesis about the development of various methematical models for rotor spinning of para-aramid polymers. Author: Everdien Kolk. [PDF]

http://ta.twi.tudelft.nl/nw/users/vuik/numanal/kolk_scriptie.pdf

Neck Formation in Drawing Processes of Fibers

Technical paper focused on an analysis of the strain distribution during the drawing processes of polymeric fibers to enhance understanding of neck formation in the process of spinning. Authors: Kwansoo Chung and others. [PDF]

http://pdf.ricta.or.kr/FAP/02010018.pdf

New Methods for Producing Nylon 6.6 Fibers with Enhanced Mechanical Properties

Doctor of Philosophy dissertation about the development of a new method for dry-jet wet spinning of GaCl3/polyamide 66 with increased low draw ratio by disrupting the interchain hydrogen bondsed network. Author: Jung Dongwook. [PDF]

http://www.lib.ncsu.edu/theses/available/etd-12122004-153758/unrestricted/etd.pdf

A Nonlinear Instability of Viscoelastic Poiseuille Flow

Technical paper presenting qualitative and quantitative evidence of the existence of an intrinsic route towards non-linear instability of viscoelastic Poiseuille flow which is limiting the extrusion rate of polymer fibers. Authors: Volfango Bertola and others. [PDF]

http://www.lorentz.leidenuniv.nl/~saarloos/Papers/meltfractureexp.pdf

On Viscoelastic Fluids in Elongation

Scientific paper proving the existence and uniqueness result for the isothermal elongational flow of fluids with differential constitutive law of Maxwell type in the production of polymeric filaments. Author: Thomas Hagen. [PDF]

https://umdrive.memphis.edu/thagen/preprints/nova.pdf

Process Optimization and Emperical Modelling Using Response Surface Methodology

Scientific paper about the modelling and optimization of the electrospinning process parameters for the spinning of regenerated nanoscale Bombyx mori silk fibers, using the response surface methodology. Authors: Sachiko Sukigara and others. [PDF]

http://www.materials.drexel.edu/fml/Downloads/polymer45(3701-3708).pdf

Processing, Structure and Property Studies of Submicron Fibers Produced By Electrospinning. 1

Title page of a Doctor of Philosophy thesis on electrospinning of polymeric fibers. Author: Pankaj Gupta. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-12142004-090652/unrestricted/title.pdf

Processing, Structure and Property Studies of Submicron Fibers Produced By Electrospinning. 2

Pankaj Gupta's introduction to his doctoral thesis about electrospinning of polymeric fibers, containing a detailed description of his work, acknowledgments and contents of the thesis. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-12142004-090652/unrestricted/abstract-contents.pdf

Processing, Structure and Property Studies of Submicron Fibers Produced By Electrospinning. 3

First chapter of Pankaj Gupta's doctoral thesis about electrospinning of polymeric fibers, providing an introduction to the electrospinning technology and a literature review. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-12142004-090652/unrestricted/Part-I-CHAPTER-1.pdf

Processing, Structure and Property Studies of Submicron Fibers Produced By Electrospinning. 4

Second chapter of Pankaj Gupta's doctoral thesis about electrospinning of polymeric fibers, exploring the relationships between fiber formation, viscosity, molecular weight and concentration in a solvent. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-12142004-090652/unrestricted/CHAPTER-2.pdf

Processing, Structure and Property Studies of Submicron Fibers Produced By Electrospinning. 5

Third chapter of Pankaj Gupta's doctoral thesis about electrospinning of polymeric fibers, focused on in-situ photocrosslinking of cinnamate functionalized poly(methyl methacrylate-CO2-hydroxy ethyl acrylate) fibers during the electrospinning process. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-12142004-090652/unrestricted/CHAPTER-3.pdf

Processing, Structure and Property Studies of Submicron Fibers Produced By Electrospinning. 6

Fourth chapter of Pankaj Gupta's doctoral thesis about electrospinning of polymeric fibers, presenting the results of an investigation into the creation of a flexible superparamagnetic substrate by incorporating nano-sized ferrite particles of Mn-Zn-Ni into polyester based segmented polyurethane via electrospinning. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-12142004-090652/unrestricted/CHAPTER-4.pdf

Processing, Structure and Property Studies of Submicron Fibers Produced By Electrospinning. 7

Fifth chapter of Pankaj Gupta's doctoral thesis about electrospinning of polymeric fibers, investigating the possibilities of manufacturing bi-component fibers. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-12142004-090652/unrestricted/CHAPTER-5.pdf

Processing, Structure and Property Studies of Submicron Fibers Produced By Electrospinning. 8

Sixth chapter of Pankaj Gupta's doctoral thesis about electrospinning of polymeric fibers, focusing on the examination of the effect of electrospinning on inducing charges of different polarity on two electrically dissimilar polymers, and determine the effect of three types of electrospun nonwoven web constructions on the charge retention and filtration properties of the resulting nanofibers. [PDF]

http://scholar.lib.vt.edu/theses/available/etd-12142004-090652/unrestricted/CHAPTER-6.pdf

Regenerated Silk Fiber Wet Spinning from an Ionic Liquid Solution

Scientific article about extruding regenerated silk fibroin from Bombix Mori silk worms, using 1-ethyl-3-methylimidazolium chloride ionic liquid solvent. From the Journal of Materials Chemistry. Authors: David M. Phillips and others.

http://www.rsc.org/delivery/_ArticleLinking/DisplayArticleForFree.cfm?doi=b510069k&JournalCode=JM

Regeneration of Bombix Mori Silk Nanifibers and Nanocomposite Fibrils by the Electrospinning Proces

Doctor of Philosophy thesis about the scientific implications and potential applications of reducing the diameter of Bombix mori silkworm fibers to nanoscale, changing its triangular shape and adding nanofillers in the form of single wall carbon nanotubes by the electrospinning process. Author: Jonathan Eyitouyo Ayutsede. [PDF]

http://idea.library.drexel.edu/bitstream/1860/546/13/Ayutsede_Jonathan.pdf

SAXS Experiments on Gel-Spun Polyethylene Fibers

Technical paper about performing meridional SAXS experiments on gel-spun polyethylene fiber in order to identify their structure after the spinning process. Authors: W. Hoogsteen, A.J. Pennings and G. ten Brinke. [PDF]

http://msc.eldoc.ub.rug.nl/FILES/root/BrinkeGten/1990/CollPolymScHoogsteen/1990CollPolymSciHoogsteen.pdf

Simulation of the Fiber Spinning Process

Technical paper describing a fiber model coupled with CFD calculations of the quench air flow, used to simulate the influence of process parameters to the melt spinning process. Authors: T. Goetz and others. [PDF]

http://www.itwm.fraunhofer.de/zentral/download/berichte/bericht26.pdf

Structure Development in Polyketone and Polyalcohol Fibers

Doctoral thesis about the structural development in oriented perfectly alternating ethylene-carbon monoxide copolymer (polyketone) fiber, and new polyalcohol fibers obtained by reduction of polyketone. Author: Bert Jan Lommerts. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1994/j.b.lommerts/sc_nl_rug_lommerts_bj.pdf

Structure-Properties Relationships in Polymeric Fibres

Doctoral thesis about an investigation into the relationship between the structure and mechanical properties of high molecular weight gel-spun polyethylene fibers. Author: Jan Paul Penning. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1994/j.p.penning/thesis.pdf

A Study of Spin Finish Application on a Fiber

Scientific dissertation on the understanding of wetting phenomena on cylindrically symmetrical objects, important for spin finish applications in the man-made fiber industry. Author: Eunkyoung Shim. [PDF]

http://www.tx.ncsu.edu/ncrc/acrobatfiles/thesis/Shim.pdf

Synthetic Fibers

Study of hazardous emissions during the manufacturing processes of man-made fibers. Detailed descriptions of polymer materials, and the dry- and solvent fiber spinning technologies and processes. Glossary of terms. Tables and figures. List of references. From the U.S. Environmental Protection Agency. [PDF]

http://www.epa.gov/ttn/chief/ap42/ch06/final/c06s09.pdf

Tensile Behaviour of Polyethylene and Poly(p-xylylene) Fibers

Doctoral thesis about the tensile strength and modulus of polyethylene fibers obtained by gel-spinning and by spinning with the surface-growth method. Author: Harm van der Werf. [PDF]

http://dissertations.ub.rug.nl/FILES/faculties/science/1991/h.van.der.werff/thesis.pdf

Texture Evolution of Sheared Liquid Chrystalline Polymers

Extensive technical paper presenting the results of a theoretical and experimental study of the textural evolution of liquid crystal polymer (LCP) systems under planar shear at high shear rates, based on computational simulation using a molecular model with distortional elasticity. Authors: G. Sgalari, L.G. Leal and E. Meiburg. [PDF]

http://www.me.ucsb.edu/meiburg_web/pubs/Sgalari_et_al_2003.pdf

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Man City fail in Santa Cruz bid

Blackburn reject a bid in excess of £12m from Manchester City for striker Roque Santa Cruz.

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Gadgets galore

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Bad signs

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Advertising body may have to rule on God's existence

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UN backs ceasefire call for Gaza

The UN Security Council votes for an immediate ceasefire in Gaza as Israeli bombs reportedly claim more lives in the Strip.

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UK e-mail law 'attack on rights'

A law ensuring the details of every e-mail sent in the UK are kept is an attack on civil liberties, critics say.

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England rugby star's driving ban

The England and Gloucester rugby player Mike Tindall is banned from driving for three years after admitting being over the drink-drive limit.

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Send your video, pictures and story ideas

Have you got a good story? BBC News wants to hear from you.

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Private funeral for Travolta son

A private memorial service is held in Florida for Hollywood actor John Travolta's son Jett, dead at 16 from a seizure.

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Dementia drug death risk warning

Experts have condemned the commonplace prescribing of sedatives to people in the UK with dementia.

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Monitors key to Russian gas deal

Russia says it will resume pumping gas to Europe once independent monitors are in place to check the flow to EU markets.

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BBC Sound of 2009

Is this Britain's new pop queen? Electro princess Little Boots is named brightest rising music star

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Mosquitoes are the insect world's Barry White, scientists discover

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Strauss ready to rebuild England

Andrew Strauss insists he has the backing of predecessor Kevin Pietersen as he takes over the England captaincy.

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Pakistan slum-dwellers die in blaze

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Murray win sets up Federer clash

Britain's Andy Murray will face Roger Federer in the semi-finals of the Qatar Open after a 6-4 6-2 win over Sergiy Stakhovsky.

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Falling interest

Pensioners worried as saving rate cuts hit income

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Private school exodus 'expected'

The Liberal Democrats demand government action to prepare schools for a predicted influx of pupils from the private sector.

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Nissan plant to shed 1,200 jobs

Car maker Nissan announces it is to axe around 1,200 jobs at its Wearside plant - around a quarter of the workforce.

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Ronaldo survives Ferrari smash

Manchester United forward Cristiano Ronaldo writes off his Ferrari in a crash near Manchester Airport.

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Pakistan al-Qaeda chief 'killed'

Al-Qaeda's operations chief in Pakistan and another top aide are believed to have been killed, US intelligence sources say.

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Impeachment call for Blagojevich

Senators in Illinois recommend impeaching Governor Rod Blagojevich, accused of selling Barack Obama's US Senate seat.

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Fond farewell

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