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Diffusion-Controlled Release

  • Chapter
Controlled Release

Part of the book series: Polymers ((POLYMERS,volume 13))

Abstract

Molecular diffusion through polymers and synthetic membranes is an effective, simple and yet reliable means of attaining the controlled release of a variety of active agents. The principal devices utilizing this phenomenon are of the reservoir and monolithic types. In a reservoir device, the active agent is contained within the rate-controlling membrane, while in a monolithic device, the active agent is homogeneously dissolved or dispersed throughout the polymer matrix.

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Authors and Affiliations

  1. Department of Chemical Engineering, Kansas State University, Durland Hall, Manhattan, KS, 66506, USA

    Professor Liang-tseng Fan

  2. Kabi Pharma, Gårdsvägen 6, Box 1828, Solna, S-171 26, Sweden

    Dr. Satish Kumar Singh

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  1. Professor Liang-tseng Fan
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  2. Dr. Satish Kumar Singh
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© 1989 Springer-Verlag, Berlin Heidelberg

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Fan, Lt., Singh, S.K. (1989). Diffusion-Controlled Release. In: Controlled Release. Polymers, vol 13. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74507-2_2

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  • DOI: https://doi.org/10.1007/978-3-642-74507-2_2

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-74509-6

  • Online ISBN: 978-3-642-74507-2

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