Bringing new properties to lignin rich fiber materials

Anna Suurnäkki, Johanna Buchert, Stina Grönqvist, Hannu Mikkonen, Soili Peltonen, Liisa Viikari

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

    14 Citations (Scopus)

    Abstract

    A new method to enhance the native surface properties of lignin rich fibers or even to bring completely novel properties to these fiber materials has been developed at VTT.The method is based on enzymatic fiber activation combined with either enzymatic or chemo-enzymatic functionalization, or bonding of selected chemical component, to lignin rich fiber materials.Study of the activation of wood pulp fibers showed that various factors including pulp type, enzyme dosage and treatment conditions affect the radical formation in pulp material.Bonding of the chemical functionalities to activated pulps was successful both by enzymatic and chemical means.Various properties such as charge, hydrophobicity, and conductivity of lignin rich fiber materials could be modified by the chemo-enzymatic functionalisation method.For effective exploitation of the potential of the enzyme-based method, both understanding of the activation and bonding mechanisms and optimisation of the targeted fiber modification for the customer's needs is essential.
    Original languageEnglish
    Title of host publicationApplied Material Research at VTT
    Subtitle of host publicationSymposium on Applied Materials
    Place of PublicationEspoo
    PublisherVTT Technical Research Centre of Finland
    Pages61-70
    ISBN (Electronic)951-38-6312-3
    ISBN (Print)951-38-6311-5
    Publication statusPublished - 2006
    MoE publication typeB3 Non-refereed article in conference proceedings
    EventInternal Symposium on Applied Materials - Espoo, Finland
    Duration: 8 Jun 20068 Jun 2006

    Publication series

    SeriesVTT Symposium
    Number244
    ISSN0357-9387

    Conference

    ConferenceInternal Symposium on Applied Materials
    CountryFinland
    CityEspoo
    Period8/06/068/06/06

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