Facile fabrication of colloidal particles based on the electrostatic aggregation of block copolymer micelles

Jinkee Hong, Sang Wook Kang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Block copolymer assembled colloidal particles were successfully prepared through electrostatic interactions between cationic polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) and anionic polystyrene-block-poly(acrylic acid) (PS-b-PAA) in a one-pot process. The colloidal particles were prepared by simple mixing of complementary charged block copolymer micelle aqueous solution. This process presents the possibility of very simple and versatile method of mass production of BCM based colloidal particles. Both hairy and crew-cut types of block copolymer micelles (BCMs) showed different electrostatic assembly tendencies as confirmed by Field emission scanning electron microscopy (FE-SEM). These phenomena are mainly caused by the different degrees of electrostatic interdigitation and entanglement between the protonated and deprotonated corona block regions of the micelles.

Original languageEnglish
Pages (from-to)354-357
Number of pages4
JournalChemical Engineering Journal
Volume165
Issue number1
DOIs
Publication statusPublished - 2010 Nov 15

Fingerprint

Micelles
Block copolymers
Electrostatics
Agglomeration
Fabrication
Particles (particulate matter)
Polystyrenes
corona
aqueous solution
Coulomb interactions
scanning electron microscopy
Field emission
Acrylics
acid
Scanning electron microscopy
Acids
particle

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

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abstract = "Block copolymer assembled colloidal particles were successfully prepared through electrostatic interactions between cationic polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) and anionic polystyrene-block-poly(acrylic acid) (PS-b-PAA) in a one-pot process. The colloidal particles were prepared by simple mixing of complementary charged block copolymer micelle aqueous solution. This process presents the possibility of very simple and versatile method of mass production of BCM based colloidal particles. Both hairy and crew-cut types of block copolymer micelles (BCMs) showed different electrostatic assembly tendencies as confirmed by Field emission scanning electron microscopy (FE-SEM). These phenomena are mainly caused by the different degrees of electrostatic interdigitation and entanglement between the protonated and deprotonated corona block regions of the micelles.",
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Facile fabrication of colloidal particles based on the electrostatic aggregation of block copolymer micelles. / Hong, Jinkee; Kang, Sang Wook.

In: Chemical Engineering Journal, Vol. 165, No. 1, 15.11.2010, p. 354-357.

Research output: Contribution to journalArticle

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