Sökning: "Alexander Idström"

Hittade 2 avhandlingar innehållade orden Alexander Idström.

  1. 1. Investigating cellulose structure using solid-state NMR spectroscopy

    Författare :Alexander Idström; [2015]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; pulp; 2D NMR; hornification; CP MAS 13C-NMR; crystallinity index; ionic liquids; regenerated cellulose; CNC; Solid-state NMR; native cellulose;

    Sammanfattning : Cellulose is the most abundant polymer in nature and it is an important constituent in most flowers, trees, and even some animals. Cellulose has an established use in many important products, such as textile fibers, paper and paperboard, and recently new applications have received increased attention. LÄS MER

  2. 2. Investigating structural changes of cellulose using NMR spectroscopy

    Författare :Alexander Idström; [2013]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; pulp; NMR cryoporometry; ionic liquids; regenerated cellulose; Solid-state NMR; hornification; crystallinity index; NCC; native cellulose; CP MAS 13C-NMR;

    Sammanfattning : In this thesis solid-state NMR and NMR cryoporometry were used to gain information of the structure of cellulose. Measurements were conducted on both native and regenerated cellulose, exposed to a range of different treatments. LÄS MER