article·2012-01-01

Preparation of functionalized nanocapsule and nanocolorants via miniemulsion technology

Liefeng Liang

Abstract

Carboxyl-functionalized polystyrene/acrylate nanocapsules were synthesized by miniemulsion copolymerization using hexadecane(HD) and methyl isobutyl ketone(MIBK) as costabilizer.Effects of type and amount of the costabilizer on the morphology of end products were studied.It was found by TEM examination that substantial polymer particles has void core structure were formed and the diameter of particles was about 100 nm when the mass ratio of monomer to costabilizer of 1∶1.Oil-soluble dyes could be encapsulated into nanocapsules using MIBK as costabilizer and UV irradiation experiments tests indicated that the obtained polymer/dye emulsion exhibited excellent photostability.However,the dye was unable to disperse evenly in the oil,leading to the emulsion labile when HD was employed as costablizer.
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Research context

OpenAlex topics: Advanced Polymer Synthesis and Characterization · Surfactants and Colloidal Systems · Photopolymerization techniques and applications

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