Influence of fiber modifications on PLA/fiber composites: Behavior to accelerated weathering

Iuliana Spiridon, Raluca Nicoleta Darie, Heli Kangas

    Research output: Contribution to journalArticleScientificpeer-review

    29 Citations (Scopus)

    Abstract

    Cellulose fibers obtained by organosolv process were used in preparing PLA/fiber composites. In an attempt to improve the adhesion between the fibers and the polymer matrix, the cellulose fibers were treated chemically using stearoyl chloride as well as enzymatically by laccase. The addition of the cellulose fibers to the PLA matrix had a positive effect on some of the mechanical properties of the composites, while some properties were compromised. In addition, the thermal properties were improved, while the rheological properties were decreased. Generally, the fiber modifications did not have the desired effect of improving the mechanical properties further, while for the thermal properties, there was a significant difference when chemically modified fibers were used. Accelerated weathering generally led to the deterioration of the composites properties. However, some properties were better preserved with the inclusion of modified fibers into the PLA matrix, especially with the enzymatically modified fibers.
    Original languageEnglish
    Pages (from-to)19-27
    JournalComposites Part B: Engineering
    Volume92
    DOIs
    Publication statusPublished - 2016
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Weathering
    Fibers
    Composite materials
    Cellulose
    Thermodynamic properties
    Laccase
    Mechanical properties
    Polymer matrix
    Deterioration
    Adhesion

    Keywords

    • polymer-matrix composites (PMCs)
    • wood
    • mechanical properties
    • rheological properties
    • cellulose fibers

    Cite this

    @article{40962a9041af458fa5f4a5a66f88c054,
    title = "Influence of fiber modifications on PLA/fiber composites: Behavior to accelerated weathering",
    abstract = "Cellulose fibers obtained by organosolv process were used in preparing PLA/fiber composites. In an attempt to improve the adhesion between the fibers and the polymer matrix, the cellulose fibers were treated chemically using stearoyl chloride as well as enzymatically by laccase. The addition of the cellulose fibers to the PLA matrix had a positive effect on some of the mechanical properties of the composites, while some properties were compromised. In addition, the thermal properties were improved, while the rheological properties were decreased. Generally, the fiber modifications did not have the desired effect of improving the mechanical properties further, while for the thermal properties, there was a significant difference when chemically modified fibers were used. Accelerated weathering generally led to the deterioration of the composites properties. However, some properties were better preserved with the inclusion of modified fibers into the PLA matrix, especially with the enzymatically modified fibers.",
    keywords = "polymer-matrix composites (PMCs), wood, mechanical properties, rheological properties, cellulose fibers",
    author = "Iuliana Spiridon and Darie, {Raluca Nicoleta} and Heli Kangas",
    year = "2016",
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    language = "English",
    volume = "92",
    pages = "19--27",
    journal = "Composites Part B: Engineering",
    issn = "1359-8368",
    publisher = "Elsevier",

    }

    Influence of fiber modifications on PLA/fiber composites : Behavior to accelerated weathering. / Spiridon, Iuliana; Darie, Raluca Nicoleta; Kangas, Heli.

    In: Composites Part B: Engineering, Vol. 92, 2016, p. 19-27.

    Research output: Contribution to journalArticleScientificpeer-review

    TY - JOUR

    T1 - Influence of fiber modifications on PLA/fiber composites

    T2 - Behavior to accelerated weathering

    AU - Spiridon, Iuliana

    AU - Darie, Raluca Nicoleta

    AU - Kangas, Heli

    PY - 2016

    Y1 - 2016

    N2 - Cellulose fibers obtained by organosolv process were used in preparing PLA/fiber composites. In an attempt to improve the adhesion between the fibers and the polymer matrix, the cellulose fibers were treated chemically using stearoyl chloride as well as enzymatically by laccase. The addition of the cellulose fibers to the PLA matrix had a positive effect on some of the mechanical properties of the composites, while some properties were compromised. In addition, the thermal properties were improved, while the rheological properties were decreased. Generally, the fiber modifications did not have the desired effect of improving the mechanical properties further, while for the thermal properties, there was a significant difference when chemically modified fibers were used. Accelerated weathering generally led to the deterioration of the composites properties. However, some properties were better preserved with the inclusion of modified fibers into the PLA matrix, especially with the enzymatically modified fibers.

    AB - Cellulose fibers obtained by organosolv process were used in preparing PLA/fiber composites. In an attempt to improve the adhesion between the fibers and the polymer matrix, the cellulose fibers were treated chemically using stearoyl chloride as well as enzymatically by laccase. The addition of the cellulose fibers to the PLA matrix had a positive effect on some of the mechanical properties of the composites, while some properties were compromised. In addition, the thermal properties were improved, while the rheological properties were decreased. Generally, the fiber modifications did not have the desired effect of improving the mechanical properties further, while for the thermal properties, there was a significant difference when chemically modified fibers were used. Accelerated weathering generally led to the deterioration of the composites properties. However, some properties were better preserved with the inclusion of modified fibers into the PLA matrix, especially with the enzymatically modified fibers.

    KW - polymer-matrix composites (PMCs)

    KW - wood

    KW - mechanical properties

    KW - rheological properties

    KW - cellulose fibers

    U2 - 10.1016/j.compositesb.2016.02.032

    DO - 10.1016/j.compositesb.2016.02.032

    M3 - Article

    VL - 92

    SP - 19

    EP - 27

    JO - Composites Part B: Engineering

    JF - Composites Part B: Engineering

    SN - 1359-8368

    ER -