Sökning: "polymer solution"

Visar resultat 1 - 5 av 294 avhandlingar innehållade orden polymer solution.

  1. 1. Design, Synthesis and Characterization of Conjugated Polymers for Photovoltaics and Electrochromics

    Detta är en avhandling från Gothenburg : Chalmers tekniska högskola

    Författare :Kim Bini; [2018]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; organic electronics; conjugated polymers; electrochromic polymers; polymer solar cells; all-polymer solar cells; side chain engineering;

    Sammanfattning : With the invention of organic electronics, a new class of materials needed to be explored and suitable applications found. The use as semiconductors in many different devices has been explored, where photovoltaics, light-emitting diodes and field-effect transistors have been prominent. LÄS MER

  2. 2. Cu(I) stabilizing polymers for marine anti-fouling applications

    Detta är en avhandling från Gothenburg : Chalmers tekniska högskola

    Författare :Alireza Movahedi; [2015]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; coordinating polymers; copper; anti-fouling coatings; CuAAC; triazole; epoxide.; polymer functionalization; click chemistry;

    Sammanfattning : The growth of marine organisms on immersed surfaces in seawater is known as biofouling and causes several problems for marine transportation. The need to combat fouling is thus of great importance. Copper has to be used in extreme amounts to act as an efficient biocide. LÄS MER

  3. 3. Coagulation of Cellulose: from Ionic-Liquid Solution to Cellulose Nanostructure

    Detta är en avhandling från Gothenburg : Chalmers tekniska högskola

    Författare :Artur Hedlund; [2018]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Ionic Liquids; Wet Spinning; Coagulation; Cellulose; Nonsolvent; Diffusion;

    Sammanfattning : Abstract A linear chain of glucose monomers, cellulose, provides the structural reinforcement of the cell walls of plants and constitutes almost half of their dry mass. Wood and other plant-based raw materials are processed on a large industrial scale to isolate the cellulose, which is then dissolved. LÄS MER

  4. 4. SALDI-MS Method Development for Analysis of Pharmaceuticals and Polymer Degradation Products

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

    Författare :Nina Aminlashgari; Minna Hakkarainen; Klas Engvall; Åsa Emmer; [2012]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Surface assisted laser desorption ionization-mass spectrometry SALDI-MS ; polyester degradation products; pharmaceutical compounds; nanoparticles; nanocomposites.;

    Sammanfattning : Surface assisted laser desorption ionization-mass spectrometry (SALDI-MS) was evaluated as a new tool for analysis of polymer degradation products. A SALDI method was developed enabling rapid analysis of low molecular mass polyesters and their degradation products. LÄS MER

  5. 5. Porous Polymeric Monoliths by Less Common Pathways Preparation and Characterization

    Detta är en avhandling från Umeå : Umeå university

    Författare :Ahmed Elhaj; Knut Irgum; Sebastiaan Eeltink; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Monolith; commodity polymer; thermally induced phase separation; dissolution-precipitation; polymer solvents; porogenic polymer; step-growth polymerization; separation science; melamine-formaldehyde;

    Sammanfattning : This thesis focuses on my endeavors to prepare new porous polymeric monoliths that are viable to use as supports in flow-through processes. Polymer monoliths of various porous properties and different chemical properties have been prepared utilizing the thermally induced phase separation (TIPS) phenomenon and step-growth polymerization reactions. LÄS MER