Sökning: "Ytbehandlingsteknik"

Visar resultat 6 - 10 av 57 avhandlingar innehållade ordet Ytbehandlingsteknik.

  1. 6. Exploring bio-based monomers for UV-curable polymer networks

    Författare :Sara Brännström; Eva Malmström; Yves Leterrier; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Bio-based; polymers; vinyl ether; polyester; photopolymerization; lipase; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Sammanfattning : Increased environmental awareness and concern has led to a high demand for sustainable, bio-based materials. Consequently, there is a need for research and development of new bio-based polymeric materials that can be synthesized via routes eliminating excessively toxic reactants and by-products. LÄS MER

  3. 7. Surface Modification of Cellulose by Covalent Grafting and Physical Adsorption

    Författare :Linn Carlsson; Anna Carlmark; Eva Malmström; M. Naceur Belgacem; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Surface modification; cellulose; covalent modification; physical adsorption; polymer synthesis;

    Sammanfattning : The interest in new environmentally friendly cellulose‐based productshas increased tremendously over the last years. At the same time theSwedish forest industry faces new challenges in its strive to increase the utilization of cellulose fibers in high‐value end‐products. LÄS MER

  4. 8. Macromolecular design : UV-curable thiol-ene networks based on renewable resources

    Författare :Mauro Claudino; Mats Johansson; Michael Meier; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Plant oils and terpenes are ubiquitous natural renewable compounds. The double bonds contained in most of these monomers can be utilized via the photo-induced free-radical thiol–ene reaction to create novel bio-derived polymer thermosets representing a valuable ‘green’ alternative to petrochemical olefins and resulting synthetic plastic materials. LÄS MER

  5. 9. Thiol−ene Coupling of Renewable Monomers : at the forefront of bio-based polymeric materials

    Författare :Mauro Claudino; Mats K. G. Johansson; Mats Jonsson; Anna Wistrand; Sven Göthe; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Thiol-ene chemistry; monounsaturated fatty-acids; renewable resources; cis trans-isomerization; photopolymerization; networks; polyesters; thermal viscoelastic properties; thin-films; unsaturated macro lactones; coatings;

    Sammanfattning : Plant derived oils bear intrinsic double-bond functionality that can be utilized directly for the thiol–ene reaction. Although terminal unsaturations are far more reactive than internal ones, studies on the reversible addition of thiyl radicals to 1,2-disubstituted alkenes show that this is an important reaction. LÄS MER

  7. 10. Inorganic and organic polymer-grafted nanoparticles : their nanocomposites and characterization

    Författare :Carmen Cobo Sanchez; Eva Malmström; Henrik Hillborg; Anna Barros Timmons; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Si-ATRP; ATRP; polyelectrolytes; rGO; aluminium oxide; silica; CNF; CNC; PCL; LDPE; EBA; nanocomposites; matrix-free; extrusion; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Sammanfattning : Nanocomposites (NCs) have been widely studied in the past decades due to the promising properties that nanoparticles (NPs) offer to a polymer matrix, such as increased thermal stability and non-linear electrical resistivity. It has also been shown that the interphase between the two components is the key to achieving the desired improvements. LÄS MER