PROCESS FOR PREPARING MICRO- AND NANOCRYSTALLINE CELLULOSE

MARKUS NUOPPONEN, (Inventor), ANNE MERILUOTO, (Inventor), EERO KONTTURI, (Inventor)

    Research output: Patent

    Abstract

    The invention relates to a process for preparing micro- and nanocrystailine cellulose material in the presence of an acid. More specifically, the invention relates to a process, in which the cellulose material is hydrolyzed in the presence of an acid in the gas phase while the moisture content of cellulose is between 1% and 80%, the cellulose material is surface-modified, and mechanically treated in order to obtain micro- and/or nanocrystailine cellulose material. The invention also relates to a cellulose product prepared by the said process and the use thereof in food and liquid crystal applications as well as in optical, cosmetic and medical applications.

    Original languageEnglish
    Patent numberCA2829156
    IPCC08B 15/ 08 A I
    Priority date21/03/2012
    Publication statusPublished - 27 Sep 2012
    MoE publication typeH1 Granted patent

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