Sökning: "Ring-opening polymerization"

Visar resultat 1 - 5 av 52 avhandlingar innehållade orden Ring-opening polymerization.

  1. 1. Controlled Ring-Opening Polymerization : Mechanism and Synthesis of Macromolecular Architectures with Tailored Properties

    Författare :Maria Ryner; KTH; []
    Nyckelord :controlled ring-opening polymerization; poly L-lactide ; poly 1; 5-dioxepan-2one ; stannous octoate; tin alkoxide; DFT methods; mechanism; triblock; multiblock; tailored hydrophilicity; elastomers; resorbable materials;

    Sammanfattning : .... LÄS MER

  2. 2. Controlled ring-opening polymerization : Polymers with designed macromolecular architechture

    Författare :Kajsa Stridsberg; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  3. 3. Ring-opening polymerization from cellulose for biocomposite applications

    Författare :Hanna Lönnberg; Anders Hult; David Plackett; KTH; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; cellulose; ring-opening polymerization; polycaprolactone; grafting from; Chemistry; Kemi;

    Sammanfattning : There is an emerging interest in the development of sustainable materials with high performance. Cellulose is promising in this regard as it is a renewablere source with high specific properties, which can be utilized as strong reinforcements in novel biocomposites. LÄS MER

  4. 4. Synthesis of functional degradable polymers by radical ring-opening polymerization

    Författare :Jenny Undin; Ann-Christine Albertsson; Mats Johansson; Monica Ek; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; tissue engineering; ring-opening polymerization; 2; 2´-azoisobutyronitrile; cyclic ketene acetals; 2-methylene- 1; 3; 6-trioxocane; 2-methylene- 1; 3-dioxepane; vinyl acetate; coopolymerization;

    Sammanfattning : The increased demand for understanding cell-material interactions and subsequently create personalized implants for tissue engineering has resulted in an increased interest in developing new monomers with functional groups. The focus of the work presented in this thesis has been on the synthesis of functional monomers and the polymerization of these into functional amorphous aliphatic polyesters. LÄS MER

  5. 5. Design of renewable and functional polyamides and polyhydroxyurethanes with tunable structure-property relationships

    Författare :Charalampos Pronoitis; Karin Odelius; Minna Hakkarainen; Stefan Naumann; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; polyamide; polyhydroxyurethane; polyester; ring-opening aminolysis; ring-opening polymerization; covalent adaptable network; copolymer; complex architecture; polyamid; polyhydroxyuretan; polyester; ringöppningsaminolys; ringöppningspolymerisation; dynamiska nätverk; sampolymer; komplex arkitektur; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Sammanfattning : Redesigning polymeric materials and rethinking their use is imperative in the prospect of a more sustainable future. Critical aspects in this endeavor are the use of renewable monomers to decrease the environmental footprint, implementing green syntheses and production processes and the design for increased recyclability as an end-of-life option to diverge from the generation of plastic waste. LÄS MER