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Polymer Bulletin

, Volume 76, Issue 12, pp 6371–6386 | Cite as

The preparation of hydrogel-like polyurethane using the graft polymerization of N,N-dimethylaminoethyl methacrylate and acrylic acid

  • Yong-Chan Chung
  • Jin Cheol Bae
  • Jae Won Choi
  • Byoung Chul ChunEmail author
Original Paper
  • 113 Downloads

Abstract

The surface of polyurethane (PU) was modified by the graft polymerization of N,N-dimethylaminoethyl methacrylate (DAMA) and acrylic acid (AA) to enhance its water compatibility. Portions of poly(DAMA) and poly(AA) could be ionized by mutual acid–base neutralization and could notably improve the surface hydrophilicity of PU. The water contact angle, water absorption, and water vapor permeation test results jointly demonstrate the increase in water compatibility resulting from the inclusion of poly(DAMA) and poly(AA) in PU. The melting and glass transition temperatures of PU were not significantly influenced by the grafting of poly(DAMA) and poly(AA) onto PU. Small portions of the grafted poly(DAMA) and poly(AA) were involved in the cross-linking of PU, which sharply increased the shape recovery and the breaking tensile stress while maintaining high shape retention and breaking tensile strain.

Keywords

Water compatibility Grafting Modification Polyurethane 

Notes

Funding

This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2016R1D1A1B01014308).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Yong-Chan Chung
    • 2
  • Jin Cheol Bae
    • 1
  • Jae Won Choi
    • 1
  • Byoung Chul Chun
    • 1
    Email author
  1. 1.School of Nano EngineeringInje UniversityGimhaeSouth Korea
  2. 2.Department of ChemistryThe University of SuwonHwaseongSouth Korea

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