Mechanical properties of fibers of linear poly(ester urethanes) and poly(ether urethanes) in relation to details of their chemical structures

A.C.A.M. Bleijenberg, D. Heikens, A. Meijers, H.G.M. Lampe, P.H. Reth, von

    Research output: Contribution to journalArticleAcademicpeer-review

    Abstract

    Elastic fibres soluble in dimethylformamide were made from essentially linear polyester- and polyetherurethanes. The molecular structures of the polyurethanes were varied by using as chain extenders aliphatic diamines with a successively increasing number of carbon atoms. Mechanical investigations resulted in modulus, stress relaxation and creep data which oscillated with increasing number of carbon atoms of the diamines used. These results and the temperature- and time-dependence of these data can be explained by a model proposing the existence of hard segment domains in a matrix of soft but crystallisable polyester or polyether material.
    Original languageEnglish
    Pages (from-to)125-132
    JournalBritish Polymer Journal
    Volume4
    Issue number2
    DOIs
    Publication statusPublished - 1972

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