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Composition Distributions Within Poly(vinylidene Fluoride) Spherulites as Grown in Blends with Poly(methyl Methacrylate) by Jieping Liu; Bernd-Joachim Jungnickel is a Materials Science article available to read on EtoBox.
What is Composition Distributions Within Poly(vinylidene Fluoride) Spherulites as Grown in Blends with Poly(methyl Methacrylate) about?
## Abstract Upon crystalline solidification of one component in a homogeneously molten polymer blend, composition profiles develop outside (i.e., in the rest melt) and behind (i.e., within the spherulites) the crystal growth front. The present article is devoted to the detailed verification and the interpretation of these distributions and their temporal development inside growing spherulites. To this end, the energy dispersive X‐ray emission (EDX) of suitable elements has been recorded locally resolved in a scanning electron microscope and evaluated correspondingly. The investigations were performed at the melt homogeneous blend of poly(vinylidene fluoride) (PVDF) as crystallizing and poly(methyl methacrylate) (PMMA) as steadily amorphous component. If the spherulites are not volume filling, the mean PMMA content 〈φ~PMMA~〉 inside the PVDF spherulites is for all blends about 0.2 below the starting composition. φ~PMMA~ increases however slightly from the center of a spherulite to its border. That increase reflects the PMMA concentration in front of the spherulite surface, which increases likewise with time, and is clearly above the initial composition. There is at the spherulite sur
Who reads Composition Distributions Within Poly(vinylidene Fluoride) Spherulites as Grown in Blends with Poly(methyl Methacrylate)?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Jieping Liu; Bernd-Joachim Jungnickel
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0887-6266)
- Published
- 2005
- Language
- EN
- Field
- Materials Science (Physical Sciences)