Coupling of PLA and bleached softwood kraft pulp (BSKP) for enhanced properties of biocomposites

Kirsi Immonen (Corresponding Author), Upi Anttila, Lisa Wikström

    Research output: Contribution to journalArticleScientificpeer-review

    4 Citations (Scopus)

    Abstract

    The interest in totally bio-based materials is increasing due to their low carbon footprint and improved properties through intensive research. Polylactide (PLA)-based cellulose fibre compounds are finding their way into various injection-moulded applications. In addition to gain high-performance PLA–cellulose pulp fibre composites, there are also needed for additives such as plasticizers and coupling agents in the compounds. This research presents the use of a renewable material–based combined plasticizer-coupling agent as an additive in PLA bleached softwood kraft pulp (BSKP) composite. An epoxy-modified linseed oil showed capability for cross-linking PLA and cellulose fibre so enabling simultaneously improved strength tensile and impact properties for composite materials when added in amount of below 8% to fibre.
    Original languageEnglish
    Pages (from-to)328-341
    Number of pages14
    JournalJournal of Thermoplastic Composite Materials
    Volume32
    Issue number3
    DOIs
    Publication statusPublished - 1 Mar 2019
    MoE publication typeNot Eligible

    Keywords

    • polylactic acid
    • PLA
    • soft wood kraft pulp
    • cellulose
    • biocomposites
    • fibre-polymer coupling

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