Sökning: "oxygen permeability"

Visar resultat 1 - 5 av 78 avhandlingar innehållade orden oxygen permeability.

  1. 1. Structure-Performance Relations of Oxygen Barriers for Food Packaging

    Detta är en avhandling från Karlstad : Karlstads universitet

    Författare :Åsa Nyflött; Karlstads universitet.; [2017]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Barrier coating; Permeability; Dynamic Mass Transport; Modelling; Diffusion; Polymer; Dispersion; Kaolin; LCA; Starch; Hemicellulose; Materials Science; Materialvetenskap;

    Sammanfattning : Food packaging should ensure the safety and quality of food, minimize spoilage and provide an easy way of storing and handling it. Barrier coatings are generally used to meet the demands placed on fibre-based food packages, as these have the ability to regulate the amount of gases that can enter them. LÄS MER

  2. 2. Material Properties of Cereal Protein Films

    Detta är en avhandling från Karlstad : Karlstads universitet

    Författare :Thomas Gillgren; [2008]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; water vapour permeability; prolamin; mechanical properties; plasticization; kafirin; glass transition temperature; oxygen permeability; zein; avenin; protein; film;

    Sammanfattning : Materials that are renewable and biodegradable are demanded due to environmental aspects. Biopolymeric materials, such as materials from prolamins, fulfil both of these requirements. Prolamins are cereal storage proteins. Examples of such are zein, gluten, kafirin and avenin from maize, wheat, sorghum and oats, respectively. LÄS MER

  3. 3. Properties of chitosan and whey protein films blended with poly(e-caprolactone)

    Detta är en avhandling från Stockholm : Fiber- och polymerteknologi

    Författare :Idoia Olabarrieta; KTH.; [2002]
    Nyckelord :Biodegradable polymers; Edible polymers; Chitosan; Whey protein; Poly e-caprolactone ; Food packaging; Oxygen permeability; Water vapour permeability; Physical properties; Optical properties; Mechanical properties;

    Sammanfattning : .... LÄS MER

  4. 4. Hemicellulose as barrier material

    Detta är en avhandling från Stockholm : KTH

    Författare :Hartman Jonas; KTH.; [2006]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hemicellulose; galactoglucomannan; plasma surface treatment; vaporphase grafting; benzylation; contact angle; oxygen permeability; solution casting; TECHNOLOGY Chemical engineering Chemical process and manufacturing engineering Cellulose and paper engineering; TEKNIKVETENSKAP Kemiteknik Kemisk process- och produktionsteknik Cellulosa- och pappersteknik;

    Sammanfattning : Polysaccharides constitute an important source of raw materials for the packaging industry today. Polysaccharides have good natural barrier properties which are necessary for packaging films. Cellulose is the forerunner among renewable polymers for such applications. Hemicelluloses represent a new interesting breed of barrier materials. LÄS MER

  5. 5. Bio-based barriers from wood hydrolysates : A pilot-scale approach

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

    Författare :Soheil Saadatmand; KTH.; [2014]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wood hydrolysate; biorefinery; oxygen permeability; multilayer barriers; food packaging.; vedhydrolysat; syrgaspermeabilitet; barriärskikt; livsmedelsförpackning;

    Sammanfattning : Wood hydrolysates (WHs) are liquids extracted from the hydrothermal treatment of wood. They exist as the byproduct of forestry industries such as the dissolving pulp and fiberboard industries. WHs are hemicellulose-based with a large share of lignin in the chemical composition. LÄS MER