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Influence of Aqueous Environment on Surface Molecular Mobility and Surface Microphase Separated Structure of Segmented Poly(ether urethanes) and Segmented Poly(ether urethane ureas)

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Progress in Biomedical Polymers

Abstract

Segmented poly(ether urethanes) (SPUs) and segmented poly(ether urethane ureas) (SPUUs) with various hard and soft segment components were prepared. The surface characterization of SPU and SPUU in aqueous environment was done by means of X-ray photoelectron spectroscopy, XPS and dynamic contact angle measurements. XPS revealed that in the hydrated state, the component with the higher surface free energy is enriched on the surfaces of SPU and SPUU in order to minimize the interfacial free energy. The SPU and SPUU with hydrophilic soft segment showed the large increase in surface tension after immersing in water environment. It has been revealed that the surface molecular mobility reflects the bulk molecular mobility. Also, the effect of introduction of a fluorocarbon-containing diol into hard segment was investigated. The fluorocarbon chains in the diol of the hard segment did not influence the surface characteristics of SPU due to the bulky structure of diphenylmethane group.

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Author information

Authors and Affiliations

  1. Department of Applied Chemistry, Faculty of Engineering, Kyushu University 36, Higashi-ku, Fukuoka 812, Japan

    Atsushi Takahara, Nam-Ju Jo, Katsuya Takamori & Tisato Kajiyama

Authors
  1. Atsushi Takahara
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  2. Nam-Ju Jo
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  3. Katsuya Takamori
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  4. Tisato Kajiyama
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Editor information

Editors and Affiliations

  1. Department of Chemistry, Youngstown State University, Youngstown, Ohio, USA

    Charles G. Gebelein

  2. Atrix Laboratories, Inc., Fort Collins, Colorado, 80525, USA

    Richard L. Dunn

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© 1990 Springer Science+Business Media New York

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Takahara, A., Jo, NJ., Takamori, K., Kajiyama, T. (1990). Influence of Aqueous Environment on Surface Molecular Mobility and Surface Microphase Separated Structure of Segmented Poly(ether urethanes) and Segmented Poly(ether urethane ureas). In: Gebelein, C.G., Dunn, R.L. (eds) Progress in Biomedical Polymers. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-0768-4_23

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  • DOI: https://doi.org/10.1007/978-1-4899-0768-4_23

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4899-0770-7

  • Online ISBN: 978-1-4899-0768-4

  • eBook Packages: Springer Book Archive

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