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http://dx.doi.org/10.5764/TCF.2010.22.3.229

Morphological Properties of Poly(ε-caprolactone) Nano/Microcapsules Prepared by Emulsion-diffusion Method  

Kim, Hea-In (Dept. of Organic Material Science and Engineering, Pusan National University)
Jeong, Cheon-Hee (Dept. of Organic Material Science and Engineering, Pusan National University)
Park, Soo-Min (Dept. of Organic Material Science and Engineering, Pusan National University)
Publication Information
Textile Coloration and Finishing / v.22, no.3, 2010 , pp. 229-238 More about this Journal
Abstract
Poly($\varepsilon$-caprolactone) nano/microcapsules(nmcPCL) containing phytoncide oil were synthesized by emulsion diffusion method using ethyl acetate and poly(vinyl alcohol) (PVA) as an organic solvent and an emulsion stabilizer respectively. The influence of the degree of saponofication of the PVA and the weight ratio of core to wall materials was investigated to design nanocapsules in terms of particle size, morphology, and emulsion stability. The encapsulated nmcPCL were characterized by FT-IR spectrometry, particle size analyzer and scanning electron microscope. Mean size of nanocapsules prepared with PVA with a degree of saponofication of 87% was smaller than those of PVA with a degree of saponofication of 98.5% and the mean particle size of the capsules decreased with increasing core/shell ratio.
Keywords
emulsion-diffusion method; nanocapsules; poly($\varepsilon$-caprolactone); poly(vinyl alcohol); degree of saponification;
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Times Cited By KSCI : 4  (Citation Analysis)
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