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Supramolecular morphology of two-step melt-spun poly(dioxanone) fibers
- Source :
- Journal of Materials Science. 47:1887-1892
- Publication Year :
- 2011
- Publisher :
- Springer Science and Business Media LLC, 2011.
-
Abstract
- Structure of poly(dioxanone) (PPDX) fibers produced through a two-step melt-spinning process with an additional short-period annealing above the melting temperature of PPDX was investigated and the effect of annealing on the degradation behavior was discussed. The morphological study carried out by etching the fibers using a phosphate or permanganate solution suggested that the fibers take a skin–core structure, and both the skin layer and the core region consist of a bundle of microfibrils. The micro-beam X-ray diffraction analysis revealed that the short-period annealing in the production process only slightly promotes the crystallization in the skin layer but contributes to increasing the packing of amorphous chains near the skin, which seems to be the controlling factor of the hydrolytic degradation behavior of the fibers.
- Subjects :
- Diffraction
Materials science
Annealing (metallurgy)
Mechanical Engineering
Melting temperature
Two step
Permanganate
Supramolecular chemistry
law.invention
Amorphous solid
chemistry.chemical_compound
chemistry
Mechanics of Materials
law
General Materials Science
Composite material
Crystallization
Subjects
Details
- ISSN :
- 15734803 and 00222461
- Volume :
- 47
- Database :
- OpenAIRE
- Journal :
- Journal of Materials Science
- Accession number :
- edsair.doi.dedup.....2e744f92be286df9bbe818a752c29b68