Crystallization of a (1-butene)-Ethylene Copolymer in Phase I Directly from the Melt in Nanocomposites with Montmorillonite

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Abstract:

Nanocomposites based on a copolymer of 1-butene and ethylene filled with montmorillonite (Cloisite 15A) were studied, obtaining for the first time crystallization from the melt directly into phase I. The polymorphism of the polymer and the dispersion of the filler in the matrix were investigated. The effect of the compatibilizer (PB-g-MA) on these properties was also singled out. The dramatic increase in the rate of the II→I phase transition due to montmorillonite was attributed to the alteration in the phase stability diagram of the matrix, due to the introduction of defects and to induction of local pressure on the crystalline domains.

Keywords: PHASE TRANSFORMATION KINETICS; POLYBUTENE; SAXS; X-RAY DIFFRACTION

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2184

Publication date: May 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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