Sökning: "cationic starch"

Visar resultat 1 - 5 av 20 avhandlingar innehållade orden cationic starch.

  1. 1. Interactions between surfactants and starch : from starch granules to amylose solutions

    Författare :Isabel Mira; Per Claesson; James N. Bemiller; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; food science and technology; polymer chemistry; Surface and colloid chemistry; Yt- och kolloidkemi;

    Sammanfattning : Starch is a mixture of two polysaccharides, amylose (AM) and amylopectin, which occurs naturally in the form of microscopic granules that are abundantly found in tubers, roots, cereal grains and fruits. In order to bring out their functional properties as thickeners and texture enhancers, starch granules are often disrupted by heating in excess water. LÄS MER

  3. 2. Influence of Polymeric Multilayer Treatment on Out-of Plane Properties of CTMP-Based Paperboard

    Författare :Gunilla Pettersson; Mittuniversitetet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; CTMP; Bulk; Multilayer; Polymre adsorption; Scott-Bond; Tensile strength; anionic starch; paperboard; cationic starch; CMC; sack paper; Stagnation Point Adsorption Reflectometry; Chemical engineering; Kemiteknik;

    Sammanfattning : .... LÄS MER

  4. 3. Investigation of Modified Cellulose and Starch via Hydrolysis and Mass Spectrometry

    Författare :Arieh Cohen; Avdelningen för arbets- och miljömedicin; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; ESI-MS; Polysaccharides; Hydrolysis; Cellulases; Starch Hydrolases; Enzymatic Degradation; Enzymes; Substituent Distribution; Modified Cellulose; Mass Spectrometry; Modified Starch; Analytical chemistry; Analytisk kemi; HPAEC-PAD;

    Sammanfattning : Starches and celluloses can be chemically modified in order to affect their physiochemical properties. Modification of these carbohydrate polymers entails derivatising their free hydroxyl groups with functional groups. LÄS MER

  5. 4. Towards an understanding of surface hydrophobization of paper - Exploring the effect of polymer nanoparticles, starch, ionic strength and process parameters

    Författare :Frida Iselau; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; starch; ionic strength; paper hydrophobization; nanoparticles; penetration.; kinetics; charge ratio; temperature; aggregation; Surface sizing;

    Sammanfattning : Paper materials are cost effective and lightweight, they can easily be recycled and their use as an alternative to plastics is advantageous from an environmental and sustainability perspective. However, competing with plastics for packaging applications is a challenge for cellulosic products. LÄS MER

  7. 5. Characterisation of the Substituent Distribution in Starch and Cellulose Derivatives

    Författare :Sara Richardson; Centrum för analys och syntes; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Chemistry; Analytisk kemi; Cationic amylopectin; Hydroxypropyl amylopectin; Ethyl hydroxyethyl cellulose; Substituent distribution; Enzymic degradation; HPAEC-PAD; MALDI-TOF-MS; ESI-MS; Kemi; Analytical chemistry;

    Sammanfattning : Starch and cellulose can be chemically modified to produce derivatives with specific properties. Knowledge of correlations between the modification reaction, substituent distribution and properties is important in order to design modification processes so as to produce derivatives with the desired properties. LÄS MER