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The spherulitic crystallization of isotactic polypropylene from solution: On the evolution of monoclinic spherulites from dendritic chain-folded crystal precursors

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Khoury, F.·1966·Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry

Abstract

-crystallographic axis in intercrossing branches is circa 80°. The possible origin of this unusual mode of twinning, which involves an 80° change in the orientation of the chain axes in offspring branches from that in parent branches, is briefly presented. The process of evolution of monoclinic polypropylene spherulites from the unusually twinned dendritic crystal precursors is contrasted with the evolution of spherulites in other polymers; furthermore, the relevance of the observations presented in this study to an understanding of the origin of the previously reported atypical fine structures exhibited by monoclinic spherulites of polypropylene crystallized from the melt, is discussed.

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Metadata

Authors
Khoury, F.
Venue
Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry
Published
1966-01
Volume
70A
Issue
1
Pages
29
ISSN
0022-4332 (ISSN-L)
OpenAlex
W2166427507
Cited by
229
References
0
FWCI
8.27
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The spherulitic crystallization of isotactic polypropylene from solution: On the evolution of monoclinic spherulites from dendritic chain-folded crystal precursors. https://app.cochat.ai/papers/10.6028/jres.070a.006
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Khoury, F. (1966). The spherulitic crystallization of isotactic polypropylene from solution: On the evolution of monoclinic spherulites from dendritic chain-folded crystal precursors. Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry. https://doi.org/10.6028/jres.070a.006

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.