Sökning: "thermoresponsive"

Hittade 4 uppsatser innehållade ordet thermoresponsive.

  1. 1. Simulations of polymer solutions displaying a lower critical solution temperature

    Kandidat-uppsats, Lunds universitet/Kemiska institutionen

    Författare :Sandra Larsson; [2018]
    Nyckelord :Monte Carlo simulations; polymer solutions; lower critical solution temperature; thermoresponsive polymers; LCST; theoretical chemistry; teoretisk kemi; Chemistry;

    Sammanfattning : Thermoresponsive polymers with a lower critical solution temperature, LCST, have attracted interest in the development of new ``smart materials'', which change properties in response to external stimuli. Polymers with an LCST near physiological temperatures are especially relevant in biomedical applications, most notably perhaps in drug delivery systems. LÄS MER

  3. 2. Synthesis and characterization of amine-functionalized microgel particles and their subsequent assembly into colloidal molecule-like clusters by droplet-based microfluidics

    Kandidat-uppsats, Lunds universitet/Kemiska institutionen

    Författare :Emil Gustafsson; [2015]
    Nyckelord :Physical chemistry; fysikalisk kemi; Chemistry;

    Sammanfattning : The ability of thermoresponsive, amine-functionalized microgel particles to take part in microgelmicrogel inter-cross-linking has previously been reported in the literature, in connection to applications such as for example the formation of stimuli-responsive colloidal gels and colloidosomes [1]. This thesis deals with the synthesis of such thermoresponsive, cross-linkable microgels and their subsequent assembly into clusters using droplet-based microfluidics, with the goal of forming responsive colloidal molecules with well-defined valency. LÄS MER

  4. 3. Ion association to poly(N-isopropylacrylamide) by diffusion and electrophoretic NMR

    Master-uppsats, KTH/Skolan för kemivetenskap (CHE)

    Författare :Cedrik Wiberg von Schantz; [2013]
    Nyckelord :PNIPAM; poly N-isopropylacrylamide ; electrophoretic NMR; diffusion NMR; LCST; ion association;

    Sammanfattning : PNIPAM (poly(N-Isopropylacrylamide)) is a well-known thermoresponsive polymer. Dissolved in water, it shows a structural change at 32 oC, above which the polymer folds together, and a phase separation occurs. LÄS MER

  5. 4. Modification of nanofibrillated cellulose with stimuli-responsive polymers

    Master-uppsats, KTH/Skolan för kemivetenskap (CHE)

    Författare :Carmen Cobo Sanchez; [2012]
    Nyckelord :thermoresponsive; nanofibrillated cellulose; biocomposites; block-copolymer; stimuliresponsive;

    Sammanfattning : Research of new sustainable and low cost materials, such as cellulose, is of high interest. Modifications of the cellulose can be performed in order to create a “smart” material which responds to external stimuli, such as variations in pH and temperature, by changing its properties. LÄS MER