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Hinüber, C. ; Häußler, L. ; Vogel, R. ; Brünig, H. ; Werner, C.
Hollow poly(3-hydroxybutyrate) fibers produced by melt spinning

Native and nucleated PHB has been melt-spun and the properties of the resulting fibers have been investigated. Biocompatible nucleating agents such as HAP and THY were compared to BN as a reference material. DSC was used to investigate the non-isothermal crystallization kinetics as a function of processing temperature and cooling rate. It was found that particularly the choice of process temperature can ensure sufficient primary crystallization of native PHB: heating not higher than 10–15·K above the melting temperature induced a favorable crystallization behavior of native PHB. Thus, melt spinning at low process temperatures without additives was demonstrated to be the key to the formation of well-defined hollow PHB fibers.

Quelle
Macromolecular Materials and Engineering 295

Seiten
585-594

DOI
http://dx.doi.org/10.1002/mame.201000023

Erschienen am
October 2010
 
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