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Erschienen in:
2015 | OriginalPaper | Buchkapitel
60. Electrospun Fibers from Synthetic Biopolymers
Electrospun Fibers from Biopolymers
verfasst von : Narendra Reddy, Yiqi Yang
Erschienen in: Innovative Biofibers from Renewable Resources
Verlag: Springer Berlin Heidelberg
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Abstract
Synthetic biopolymers such as PLA, PEG, and PHBV that are considered to be suitable for medical applications have been made into electrospun structures. Unique crimped and bicomponent nanofibers were produced from high shrinkage polyethylene terephthalate (PET) and polytrimethylene terephthalate (PTT). The polymers were separately dissolved and electrospun into the same collector from different sources and with opposite charges. Such an arrangement led to the attraction between the oppositely charged polymers and formation of twisted fibers. Such twisted fibers were also produced from polyurethane and polyacrylonitrile and termed as artificial wool [12Li]. Figure 60.1a–d shows SEM images of the twisted fibers obtained with an average diameter of about 800 nm [12Li].