Sökning: "swelling"
Visar resultat 21 - 25 av 331 avhandlingar innehållade ordet swelling.
21. Engineering and Functionalization of Hemicellulose Hydrogels
Sammanfattning : Hemicellulose is the second most abundant component in wood and is an important renewable resource that is used in films, paper composites and biofuels. Hemicelluloses have several advantages, including their abundance, degradability and renewability. LÄS MER
22. Properties and applications of materials based on graphite oxide
Sammanfattning : Graphite oxide (GO) is a hydrophilic, layered material prepared by oxidation of graphite. In the first part of this thesis, we studied materials produced from GO by intercalation and functionalization. The second part of the thesis was focused on supercapacitor applications of high surface area carbons prepared from GO using chemical activation. LÄS MER
23. Functional Copolymers of Polyvinylpyrrolidone
Sammanfattning : In many ways, polyvinylpyrrolidone (PVP) has a unique combination of chemical and physical properties. Unlike most polymers it is soluble in water as well as a number of organic solvents. PVP also has excellent film forming properties, outstanding chemical stability, complexing ability, low toxicity, and good adherence to many different substrates. LÄS MER
24. Structure and Mechanical/Transport properties of Single and Multilayer Polyethylene-based Materials
Sammanfattning : The current study discusses the structure, mechanical and transport properties of polyethylene-based materials into two parts. The first part deals with the migration and chemical depletion of active substance such as insecticides from moulded polyethylene sheets. LÄS MER
25. Development of Novel In Situ ESEM Techniques for the Study of Water Interaction with Soft Materials
Sammanfattning : The transport of water is central to many applications of soft biomaterials; for example water management in personal care products, controlled drug release in pharmaceuticals and, on a fundamental level, the activities of living cells. Water transport through a material may occur in both liquid and gas phase, and is highly dependent on the microstructure. LÄS MER