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  • 1995-1999
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  • 1992  (1)
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    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Acta Polymerica 43 (1992), S. 27-29 
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Hochfest/Hochmodulus-Fasern können durch Kaltrecken von UHMW-Polyethylen-Gelfasern erhalten werden. Es wird gezeigt, daß die kristalline Ordnung in diesen Fasern nicht vollkommen ist. Die übermolekulare Struktur wir durch eine ”shish-kebab“ -Morphologie charakterisiert. Die Ergebnisse röntgenographischer und mechanischer Untersuchungen erlauben es, den Reckvorgang durch einen Dreistufenprozeß gekoppelt mit molekularen und fibrillären Gleitvorgängen zu erklären.
    Notes: High strength/high modulus fibres can be prepared by cold drawing of UHMW-PE gel fibres. It is shown that the crystalline order in this fibres is not perfect. The supermolecular structure is characterized by a shish-kebab morphology. Results of X-ray and mechanical investigations permit to explain the drawing process by a three-step mechanism of molecular orientation and stretching coupled with molecular and fibrillar sliding.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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