Sökning: "Polymerer"

Visar resultat 1 - 5 av 142 avhandlingar innehållade ordet Polymerer.

  1. 1. Cellulosafyllda polymerer

    Författare :Anders Mathiasson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : .... LÄS MER

  3. 2. Conjugated polymer surface switches for active cell control

    Författare :Maria Bolin; Magnus Berggren; Edwin Jager; Danilo De Rossi; Linköpings universitet; []
    Nyckelord :Elektronik; Polymerer; Organisk elektronik; NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : Conjugated polymers have been found useful in a wide range of applications such as sensors, electrochemical transistors, solar cells, and printed electronics due to their mechanical, optical and electronic properties. An amazing research field has grown during the last three decades since the discovery of conducting polymers in 1976. LÄS MER

  4. 3. Microphase Separated Cation Conducting Polymers : Design, Synthesis, and Properties

    Författare :Hannes Nederstedt; Centrum för analys och syntes; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Polymer; Litiumbatteri; Mikrofasseparering; Bränslceller; Elektrolyt; Polymerelektrolyt; Polymera bränslecellsmembran; Polymer electrolyte fuel cells; Polymer electrolyte; Polymer electrolyte membrane; Microphase separation; Lithium battery; Polymer; Fuel cell; Proton exchange membrane PEM ;

    Sammanfattning : This thesis describes the synthesis and properties of five different cation conducting polymer systems. These systems were designed so that the polymers would be able to microphase separate into distinct phases with one phase for mechanical strength and one for ionic conductivity. LÄS MER

  5. 4. Covalent Surface Modification of Degradable Polymers for Increased Biocompatibility

    Författare :Martina Källrot; Ann-Christine Albertsson; Mikael Lindström; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Vapor phase grafting; covalent surface modification; solvent free; nano patterned topography; degradable polymers; poly ε-caprolactone ; poly L-lactide ; poly lactide-co-glycolide ; poly trimethylene carbonate ; N-vinylpyrrolidone; maleic anhydride; acrylamide; Gasfasympning; kovalent ytmodifiering; lösningsmedelsfri; nedbrytbara polymerer; nanomönstrad topografi; poly L-laktid ; poly ε-kaprolakton ; poly laktid-co-glykolid ; poly trimetylen karbonat ; N-vinylpyrrolidon; maleinsyraanhydrid; akrylamid; Polymer chemistry; Polymerkemi;

    Sammanfattning : Degradable polymers have gained an increased attention in the field of biomedical applications over the past decades, for example in tissue engineering. One way of improving the biocompatibility of these polymers is by chemical surface modification, however the risk of degradation during the modification procedure is a limiting factor. LÄS MER

  7. 5. Covalent Vapor-Phase Grafting of Degradable Polymers

    Författare :Martina Källrot; Ann-Christine Albertsson; Maria Nowokowska; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Vapor-phase grafting; covalent surface modification; functionalization; solvent-free grafting; sub-micron patterned topography; scaffolds; degradable polymers; poly L-lactide ; poly ε-caprolactone ; poly trimethylene carbonate ; poly L-lactide-co-glycolide ; poly 1; 5-dioxepan-2-one-co-L-lactide ; poly ε-caprolactone-co-L-lactide ; N-vinylpyrrolidone; maleic anhydride; acrylamide; acrylic acid; hyaluronic acid; in vitro degradation; Gasfasympning; kovalent ytmodifiering; funktionalisering; lösningsmedelsfri ympning; sub-micrometer mönstrad topografi; nedbrytbara polymerer; poly L-laktid ; poly ε-kaprolakton ; poly trimetylen karbonat ; poly L-laktid-co-glykolid ; poly 1; 5-dioxepan-2-one-co-L-laktid ; poly ε-kaprolakton-co-L-laktid N-vinylpyrrolidon; maleinsyraanhydrid; akrylamid; akrylsyra; hyaluronsyra; in vitro nedbrytning; Polymer chemistry; Polymerkemi;

    Sammanfattning : Gasfasympning är en del i den moderna strategin för optimering av den molekylära designen av biomaterial. Kovalent ytmodifiering med hydrofila vinylmonomerer och koppling med bioaktiva grupper används för att öka biokompatibiliteten och bioaktiviteten hos biomaterialen.. LÄS MER