Sökning: "Xylan"

Visar resultat 31 - 35 av 91 avhandlingar innehållade ordet Xylan.

  1. 31. Strategies for improving kraftliner pulp properties

    Författare :Stefan Antonsson; Mikael E. Lindström; Gunnar Henriksson; Mats Johansson; Hans Theliander; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; lignin; xylan; kraftliner pulp; mechano-sorptive creep; hygroexpansion; stiffness; fibre shape; fibre width; lignin; xylan; kraftlinermassa; mekanosorptivt kryp; hygroexpansion; styvhet; fiberform; fiberbredd; Cellulose and paper engineering; Cellulosa- och pappersteknik;

    Sammanfattning : A large part of the world paper manufacturing consists of production of corrugated board components, kraftliner and fluting, that are used in many different types of corrugated boxes. Because these boxes are stored and transported, they are often subjected to changes in relative humidity. LÄS MER

  3. 32. 3D Printing Wood Tissue

    Författare :Kajsa Markstedt; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hydrogel; Galactoglucomannan; Crosslinking; Biocomposite; 3D Printing; Wood Tissue; Xylan; Printability; Cellulose Nanofibrils;

    Sammanfattning : Biomass from forests provides society with energy, materials and chemicals, thus contributing to the circular bioeconomy. The majority of biomass is found in the wood tissue of trees. LÄS MER

  4. 33. Hydrogels based on hardwood hemicelluloses

    Författare :Inge Gabrielii; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; hardwood hemicellulose; pH; Characterization; Chitosan; Swelling; Hydrogel; Ionic strength; Xylan;

    Sammanfattning : .... LÄS MER

  5. 34. on the thermal yellowing of TCF- bleached birch kraft pulp

    Författare :Anders Granström; KTH; []
    Nyckelord :Ageing; Brightness reversion; Chalaton; Colour reversion; Dicarboxylic acids; Discoloration; HexA; Hexenuronic acid; Kraft pulp; Metal profile; Thermal yellowing; Xylan;

    Sammanfattning : .... LÄS MER

  7. 35. Strategies for Renewable Barriers with Enhanced Performance

    Författare :Anas Ibn Yaich; Ulrica Edlund; Ann-Christine Albertsson; Monika Österberg; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wood hydrolysate; xylan; birch; layered silicates; oxygen barrier; packaging; film; coating; reductive amination; chain-extension; cationic cellulose; polyelectrolyte complexes; hemicellulose; vedhydrolysat; xylan; björk; silikat; syrgasbarriär; förpackningar; film; bestrykning; reducerande aminering; kedjeförlängning; katjonisk cellulosa; polyelektrolytkomplex; hemicellulosa; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Sammanfattning : Forest biomass is expected to play an increasingly important role in tomorrow´s global bio-economy as one of the main renewable sources of materials, chemicals and energy. In the framework of the biorefinery concept, the forestry industry is looking for new processes to utilize several fractions in the biomass (cellulose, hemicelluloses, lignin etc. LÄS MER