Search for dissertations about: "silica stabilisation"

Found 3 swedish dissertations containing the words silica stabilisation.

  2. 1. Inhibition of Aluminium Pigments for Waterborne Coatings

    Author : Philip Karlsson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; hydrogen evolution; AFM; surfactant; aluminium pigment; polymer; silica stabilisation; water based; adsorption; inhibition; waterborne; printing ink; QCM-D; AAS; reflectometry; encapsulation; paint; metallic pigment; coating; XPS;

    Abstract : Micrometer-sized aluminium flakes for use as pigments in waterborne coatings need protection, since the reaction between aluminium and water causes formation of aluminium hydroxide and hydrogen gas. The aluminium hydroxide destroys the metallic appearance of the pigment flakes and the evolution of hydrogen gas leads to a dangerous pressure build-up in the paint containers. READ MORE

  4. 2. Adsorption kinetics of cationic polyacrylamides on cellulose fibres and its influence on fibre flocculation

    Author : Daniel Solberg; KTH; []
    Keywords : Adsorption; bridging; cationic polymers; cellulose fibres; electrosteric stabilisation flocculation; ;

    Abstract : The adsorption of cationic polyacrylamide (C-PAM) and silicananoparticles onto a model surface of silicon oxide wascompared with the adsorption of C-PAM to fibres and theirinfluence on flocculation of a fibre suspension. An increase inionic strength affects the polyelectrolyte adsorption indifferent ways for these two systems. READ MORE

  5. 3. Synthesising colloidal molecules with tunable interactions from soft responsive microgel particles

    Author : Linda Månsson; NanoLund: Centre for Nanoscience; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; microgels; polymers; colloids; colloidal synthesis; self-assembly; material scaince; confocal microscopy; light scattering; microgels; polymers; colloids; colloidal synthesis; self-assembly; material science; confocal microscopy; light scattering;

    Abstract : Colloidal self-assembly is an attractive bottom-up approach to new superstructures and materials with new properties. However, the typical spherical shape and isotropic interaction potential limit the repertoire of ordered structures that can be obtained from synthetic colloids. READ MORE