fibra de uhmwpe otimizada para fluência

The invention relates to a creep-optimized ultrahigh molecular weight polyethylene (UHMWPE) fiber obtained by spinning an UHMWPE comprising olefinic branches (OB) and having an elongational stress (ES), and a ratio (OB/1000 C/ES) between the number of olefinic branches per thousand carbon atoms (OB/...

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Bibliographische Detailangaben
Hauptverfasser: JOHANNES HENDRIKUS MARIE HEIJNEN, ROMAIN BERTHOUD, MARTIN PIETER VLASBLOM, TIMOTHY JAMES KIDD, JORN BOESTEN, PIOTR MATLOKA
Format: Patent
Sprache:por
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Beschreibung
Zusammenfassung:The invention relates to a creep-optimized ultrahigh molecular weight polyethylene (UHMWPE) fiber obtained by spinning an UHMWPE comprising olefinic branches (OB) and having an elongational stress (ES), and a ratio (OB/1000 C/ES) between the number of olefinic branches per thousand carbon atoms (OB/1000 C) and the elongational stress (ES) of at least 0.2, wherein said UHMWPE fiber when subjected to a load of 600 MPa at a temperature of 70° C., has a creep lifetime of at least 90 hours.