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Fabrication of Polymeric Capsules Enclosing Eletrophoretic Particle Dispersion

  • Ru Qiao (a1), Xiao Li Zhang (a2), Ri Qiu (a2), Yan Li (a2) and Young Soo Kang (a3)...


Poly(urea-formaldehyde) capsules enclosing electrophoretic particle dispersion were formed by carrying out an in-situ polymerization reaction in an oil-in-water emulsion. The internal dispersion was composed of pigment particles Yellow-14 modified by charge control agent to have superior electrophoresis velocity and the mixture of tetrachloroethylene and sec-butylbenzene, using Span 80 as the stabilizer and emulsifier. FE-SEM, TEM, and optical microscope (OM) were performed to investigate on the capsule size and surface morphology. Contact angle measurements showed that UF prepolymer deposited at the o/w interface to form hollow capsules only when the interfacial tension is large enough.



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1. Yutaka, U.; Kenichi, H.; Kageyosi, S.; Kazunori, A.; Yoshikazu, T.; Mutsuo, S. Surgery 2001, 130, 513.
2. Geest, B. G.De; Déjugnat, C.; Sukhorukov, G. B.; Braeckmans, K.; Smedt, S. C.De; Demeester, J. Adv. Mater. 2005, 17, 2357.
3. Yúfera, M.; Fernández-Díaz, C.; Pascual, E. Aquaculture 2005, 248, 253.
4. Giraud, S.; Bourbigot, S.; Rochery, M.; Vroman, I.; Tighzert, L.; Delobel, R. Polym. Degrad. Stab. 2002, 77, 285.
5. Krishnan, S.; Bhosale, R.; Singhal, R.S. Carbohydrate Polymers 2005, 61, 95.
6. Sawada, K.; Urakawa, H. Dyes Pigments 2005, 61, 45.
7. Schubert, F.E. US Pat. 5,403,518, 1995.
8. Hou, W. H.; Schubert, F. E.; Semertzidis, G. US Pat. 5,573,711, 1996.
9. Hou, W. H.; Schubert, F. E. US Pat. 6,113,810, 2000.
10. Yu, D. G.; An, J. H.; Bae, J. Y.; Ahn, S. D.; Kang, S. Y.; Suh, K.S. Macromolecules 38 (2005) 7485.
11. Elmasry, M. A.; Kidnie, K.M. US Pat. 5,066,559.
12. Comiskey, B.; Albert, J.D.; Yoshizawa, H.; Jacobson, J. Nature 394 (1998) 253.
13. Loxley, A.; Comiskey, B. US Pat. 6,262,833 B1, 2001.
14. Yu, D. G.; An, J. H.; Bae, J.Y. et al. Chem. Mater. 16 (2004) 4693.
15. Dowding, P. J.; Atkin, R.; Vincent, B.; Bouillot, P. Langmuir 20 (2004) 11374.
16. Atkin, R.; Davies, P.; Hardy, J.; Vincent, B. Macromolecules 37 (2004) 7979.



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