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Colloid and Polymer Science

, Volume 289, Issue 10, pp 1111–1117 | Cite as

Synthesis of hydrophilic polyurethane particles in non-aqueous inverse miniemulsions

  • Christine Herrmann
  • Daniel CrespyEmail author
  • Katharina Landfester
Original Contribution

Abstract

It is shown that it is possible to synthesize high molecular weight hydrophilic polyurethane particles by reacting either tolylene-2,4-diisocyanate or isophorone diisocyanate and oligoethylene glycol (M n ∼200 g mol−1) in non-aqueous inverse emulsions. This procedure offers the advantage that the formation of polyurea can be prevented in consequence of the absence of water in the emulsion. Apparent molecular weights of hydrophilic polyurethane as high as 19,000 g mol−1 (M n) were obtained.

Keywords

Miniemulsion Nanoparticle Non-aqueous emulsion Polyaddition Polyurethane 

Notes

Acknowledgments

We gratefully acknowledge Petra Räder, Gunnar Glaser and Katrin Kirchhoff, and Christine Rosenauer, Ute Heinz, and Sandra Seywald for the DSC, electron microscopy, and GPC measurements, respectively. We would like also to thank Dr. Anja Kröger-Brinkmann for interesting discussions and Dr. Eyk Schreiber for testing the isocyanate titration.

Supplementary material

396_2011_2430_MOESM1_ESM.doc (424 kb)
ESM 1 (DOC 424 kb)

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Christine Herrmann
    • 1
  • Daniel Crespy
    • 1
    Email author
  • Katharina Landfester
    • 1
  1. 1.Max Planck Institute for Polymer ResearchMainzGermany

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