C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 19/52 (2006.01) G01N 33/53 (2006.01) B32B 9/00 (2006.01) B32B 33/00 (2006.01)
Patent
CA 2633696
The present invention is directed to methods for providing a polyelectrolyte multilayer film at a liquid-liquid interface. Such methods include steps of sequentially-depositing layers of cationic and anionic polyelectrolytes at a liquid- liquid interface that is formed between immiscible first and second liquids whereby a polyelectrolyte multilayer film is provided at the liquid-liquid interface. In certain preferred embodiments, the first liquid is an aqueous solution and the second liquid is a liquid crystal. In alternative embodiments, the first liquid is an aqueous solution and the second liquid is an oil. The invention further encompasses polyelectrolyte multilayer films provided by the disclosed methods as well as applications utilizing such materials.
La présente invention concerne des procédés de production d'un film multicouche polyélectrolyte en une interface liquide/ liquide. De tels procédés comportent des étapes de déposition séquentielle de couches de polyélectrolytes cationiques et anioniques en une interface liquide/liquide formée entre des premier et second liquides immiscibles, un film multicouche polyélectrolyte étant aménagé au niveau de l'interface liquide/liquide. Dans certains modes de réalisation préférés, le premier liquide est une solution aqueuse et le second liquide est un cristal liquide. Dans d'autres modes de réalisation, le premier liquide est une solution aqueuse et le second liquide est une huile. L'invention concerne de plus des films multicouches polyélectrolytes fournis par les procédés selon l'invention de même que des applications utilisant lesdits matériaux.
Abbott Nicholas L.
Cadwell Katie D.
Caruso Frank
Lockwood Nathan A.
Tjipto Elvira
Goudreau Gage Dubuc
The University Of Melbourne
Wisconsin Alumni Research Foundation
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