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Biodegradable poly(ethylene oxide)/poly(ϵ‐caprolactone) multiblock copolymers

Biodegradable poly(ethylene oxide)/poly(ϵ‐caprolactone) multiblock copolymers A series of poly(ethylene oxide) (PEO)/poly(ϵ‐caprolactone) (PCL) containing biodegradable poly(ether ester urethane)s, covering a wide range of compositions, were synthesized and characterized. The synthesis consisted of a two‐step process. During the first step, the ring‐opening reaction of ϵ‐caprolactone was carried out, initiated by the hydroxyl terminal groups of the PEO chain. The second step involved the chain extension of these PCL–PEO–PCL tri‐ mers with hexamethylene diisocyanate. By varying either the ethylene oxide/ϵ‐caprolactone ratio or the length of both segments, we obtained a series of polymers having different morphologies and displaying a broad range of properties. © 2001 Wiley Periodicals, Inc. J Biomed Mater Res 59: 273–281, 2002 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Biomedical Materials Research Part A Wiley

Biodegradable poly(ethylene oxide)/poly(ϵ‐caprolactone) multiblock copolymers

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References (40)

Publisher
Wiley
Copyright
Copyright © 2002 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1549-3296
eISSN
1552-4965
DOI
10.1002/jbm.1242
Publisher site
See Article on Publisher Site

Abstract

A series of poly(ethylene oxide) (PEO)/poly(ϵ‐caprolactone) (PCL) containing biodegradable poly(ether ester urethane)s, covering a wide range of compositions, were synthesized and characterized. The synthesis consisted of a two‐step process. During the first step, the ring‐opening reaction of ϵ‐caprolactone was carried out, initiated by the hydroxyl terminal groups of the PEO chain. The second step involved the chain extension of these PCL–PEO–PCL tri‐ mers with hexamethylene diisocyanate. By varying either the ethylene oxide/ϵ‐caprolactone ratio or the length of both segments, we obtained a series of polymers having different morphologies and displaying a broad range of properties. © 2001 Wiley Periodicals, Inc. J Biomed Mater Res 59: 273–281, 2002

Journal

Journal of Biomedical Materials Research Part AWiley

Published: Feb 1, 2002

Keywords: ; ; ; ; ;

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