Macromolecular Research

, Volume 22, Issue 3, pp 324–328 | Cite as

Synthesis of PS-b-P2VP di-block copolymer particles with internal structure via simple reprecipitation method

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Abstract

The polystyrene-block-poly-2-vinylpyridine (PS-b-P2VP) di-block copolymer nanoparticles with onionlike internal structure have been synthesized by a simple reprecipitation method under stirring. The internal structures of the di-block copolymer nanoparticles were dependent on kinetic process in the reprecipitation method such as morphology quenching. Relatively quick reprecipitation conditions produced transient morphologies such as random-onion core-shell or random/cylindrical internal structure, while the slow reprecipitation conditions yielded the onion-like internal morphology. By adjusting the combination of common solvent and poor solvent, we could control the internal morphology of d-BCP nanoparticles in the simple reprecipitation method. In addition, we could synthesize porous titanium oxide nanoparticles by templating the d-BCP nanoparticles with internal structure.

Keywords

PS-b-P2VP onion-like internal structure reprecipitation porous titanium oxide 
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Supplementary material

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Copyright information

© The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht 2014

Authors and Affiliations

  1. 1.Korea Research Institute of Chemical TechnologyUlsanKorea
  2. 2.Department of Chemical Engineering, College of EngineeringKyung Hee UniversityGyeonggiKorea
  3. 3.R&BD CenterKolon Global Corp.GyeonggiKorea

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