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Small and wide-angle X-ray scattering study of metallocene isotactic poly(propylene) (2000)

Dai, P.S. ; Cebe, P. ; Capel, M. ; [et al.]

Copenhagen : International Union of Crystallography (IUCr)

Applied crystallography online 33 (2000), S. 714-717

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ISSN: 1600-5767

Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001

Topics: Geosciences , Physics

Notes: We report a study of metallocene isotactic poly(propylene) (m-iPP) which crystallizes into α and γ crystal modifications. Simultaneous in-situ small- and wide-angle X-ray scattering (SAXS and WAXS) were used to study kinetics during crystallization. Both techniques provide information about time development of crystallinity, while WAXS gives also kinetics of formation of α and γ crystals. During the earliest stages of crystal formation, the SAXS Bragg peak occurs simultaneously, or slightly lags, the appearance of crystalline WAXS reflections. We conclude crystallization occurs by a nucleation and growth process in this m-iPP.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1107/S0021889899013321

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