Tensile strength of solution-spun, ultradrawn ultrahigh-molecular-weight polyethylene fibers. 1. Influence of fiber diameter

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    Abstract

    The influence of fiber diam. on the tensile strength of soln.-spun, ultradrawn, ultrahigh-mol.-wt. polyethylene (UHMWPE, mol. wt. >103 kg/mol) fibers was studied. Fibers with a wide range of diams. were produced by varying the polymer concn. in soln. and by applying a drawdown to the fibers. The tensile strength of drawn fibers was compared at a const. Young's modulus in order to eliminate the influence of morphol. parameters, such as degree of chain orientation and extension, on the fracture behavior. The tensile strength of UHMWPE fibers was independent of the fiber diam. Fiber fracture was initiated by mol. events, such as chain scission. [on SciFinder (R)]
    Original languageEnglish
    Pages (from-to)1649-1652
    JournalPolymer
    Volume33
    Issue number8
    DOIs
    Publication statusPublished - 1992

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