Stabilization and adsorption of polyelectrolyte : poly (allylamine-hydrochloride) (PAH)

We study the crosslinking of the polyelectrolyte poly (allylamine-hydrocloride) (PAH) using glutaraldehyde (GA), and use it to create stable oil-in-water emulsions. We show that, in addition to stabilizing the emulsion, the crosslinking leads to coalescence and formation of non-spherical droplet sha...

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Bibliographic Details
Main Author: Geng, Dalong
Other Authors: Lars Egil Helseth
Format: Theses and Dissertations
Language:English
Published: 2010
Subjects:
Online Access:http://hdl.handle.net/10356/41575
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Institution: Nanyang Technological University
Language: English
Description
Summary:We study the crosslinking of the polyelectrolyte poly (allylamine-hydrocloride) (PAH) using glutaraldehyde (GA), and use it to create stable oil-in-water emulsions. We show that, in addition to stabilizing the emulsion, the crosslinking leads to coalescence and formation of non-spherical droplet shapes. Our results may help us understand how polymers can help stabilizing emulsions and how oil droplets influence gel formation.