Search for dissertations about: "pmt"

Showing result 1 - 5 of 81 swedish dissertations containing the word pmt.

  2. 1. Acid-base properties of and metal ion affinity for oxygen-delignified kraft pulps

    Author : Karin Athley; KTH; []
    Keywords : Oxygen-delignified kraft pulps; Carboxylate groups; Potentiometric titration; Acid base properties; Constant capacitance model; Metal ion dsitribution; Surface complexes; Complex formation; Donnan theory;

    Abstract : .... READ MORE

  4. 2. Modelling of rheological properties of coating colours

    Author : Fabio Barbesta; KTH; []
    Keywords : ;

    Abstract : .... READ MORE

  5. 3. Local variability in chemical and physical properties of spruce wood fibers

    Author : Anna Bergander; KTH; []
    Keywords : cell walls; chemical composition; elastic constants; elastic strength; Fiber properties; Fibril angles; Mathematical models; Microscopy techniques; Picea Abies; Stiffness; Tensile properties; Wood polymers; Wood;

    Abstract : Wood is well known to be a heterogeneous native materialwith large variations in its composite properties, includingvariations whose origins have not yet been completelyidentified. Traditionally, the macroscopic variations in woodhave received the most attention; for example, the variation indensity from the pith to the bark in trees. READ MORE

  6. 4. Radial mechanical properties of the native wood fibre wall

    Author : Anna Bergander; KTH; []
    Keywords : ;

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  7. 5. Cellulose degradation in pulp fibers studied as changes in molar mass distributions

    Author : Rickard Berggren; KTH; []
    Keywords : cellulose; kraft pulp; birch; spruce; ozonation; acid hydrolysis; degradation; MMD; size-exclusion chromatography; light scattering; molar mass; chain scission;

    Abstract : In this thesis, size-exclusion chromatography (SEC) of woodpolymers dissolved in lithium chloride/N,N-dimethylacetamide(LiCl/DMAc) has been used to characterize the molar massdistributions (MMD) of wood polymers in pulp fibers afterchemical degradation.Characterization of birch kraft pulps subjected to ozonedegradation and acid hydrolysis, respectively, rendereddifferent changes in the MMD. READ MORE