Sökning: "pulp characterization"

Visar resultat 1 - 5 av 62 avhandlingar innehållade orden pulp characterization.

  1. 1. Chemical Functionalization and Characterization of Cellulosic Materials

    Författare :Hanna de la Motte; [2011]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Cationization; High bulk networks; Crosslinking; Softwood kraft pulp; Nuclear magnetic resonance; Characterization; Nanocrystalline cellulose; Cotton linters;

    Sammanfattning : Polysaccharides are the most abundant biopolymers produced in nature and belong, together with proteins and nucleic acids, to the main components of life. Polysaccharides are polyhydroxylic polymers that can be functionalized by a wide selection of chemical reactions, and modifications of these biopolymers are applicable in the development of new materials. LÄS MER

  2. 2. Dissolution of cellulose for textile fibre applications

    Detta är en avhandling från Karlstad : Karlstad University Press

    Författare :Martin Kihlman; Karlstads universitet.; [2012]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; alkaline aqueous solvent systems; cellulose; dissolution; dissolving pulp; kraft pulp; pretreatment; pulp characterization; sulfite pulp; textile fibres;

    Sammanfattning : This thesis forms part of a project with the objective of developing and implementing a novel, wood-based, process for the industrial production of cellulose textile fibres. This new process should not only be cost effective but also have far less environmental impact then current processes. LÄS MER

  3. 3. Manufacturing and Characterization of Cellulose Nanofibers

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Carl Moser; KTH.; [2018]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cellulose; Nanofibers; Characterization; Homogenization; Endoglucanase; TEMPO; Specific surface area; Atomic force microscopy; Cellulosa; Nanofibrer; Karakterisering; Homogenisering; Endoglukanas; TEMPO; Specifik ytarea; Atomkraftmikroskopi; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Sammanfattning : The usage of wood has been a dominant driving force during the evolution of the human species. It allowed us to cook food, build tools, put roofs over our head and explore the world. The fibers making up the tree has been the most important way to store and transmit knowledge in the form of paper for centuries. LÄS MER

  4. 4. Characterization of chemical pulp fiber surfaces with an emphasis on the hemicelluloses

    Detta är en avhandling från Stockholm : Fiber- och polymerteknologi

    Författare :John Sjöberg; KTH.; [2003]
    Nyckelord :adsorption; analytical pyrolysis; capillary electrophoresis; carbohydrate; chemical pulp; ECF pulp; enzymatic hydrolysis; fibre surface; hardwood; hemicellulose; hexenuronic acid; kraft pulp; molecular weight distribution; peeling; residual lignin; s;

    Sammanfattning : .... LÄS MER

  5. 5. Bonding Ability Distribution of Fibers in Mechanical Pulp Furnishes

    Detta är en avhandling från Sundsvall : FSCN - Fibre Science and Communication Network

    Författare :Sofia Reyier; Mittuniversitetet.; [2008]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fiber; mechanical pulp; bonding ability; fiber characterization; Bonding Indicator; BIN; acoustic emission; hydrocyclone; Fiberlab; collapse resistance; fibrillation; Fiber; mekanisk massa; bindningsförmåga; fiber karakterisering; Bindnings Indikator; BIN; akustisk emission; hydrocyklon; Fiberlab; kollaps resistans; fibrillering; TECHNOLOGY Chemical engineering Chemical process and manufacturing engineering Cellulose and paper engineering; TEKNIKVETENSKAP Kemiteknik Kemisk process- och produktionsteknik Cellulosa- och pappersteknik;

    Sammanfattning : This thesis presents a method of measuring the distribution of fiber bonding ability in mechanical pulp furnishes. The method is intended for industrial use, where today only average values are used to describe fiber bonding ability, despite the differences in morphology of the fibers entering the mill. LÄS MER