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The influence of thermal treatment and processing on the structure and morphology of poly(propylene-ran-1-butene) copolymers

✍ Scribed by Carla Marega; Antonio Marigo; Roberta Saini; Paolo Ferrari

Book ID
104528752
Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
135 KB
Volume
50
Category
Article
ISSN
0959-8103

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✦ Synopsis

Abstract

New poly(propylene‐ran‐1‐butene) copolymers were analyzed to study the influence of different processing techniques on their structure and morphology. Wide‐angle X‐ray diffraction allowed determination of the percentage of the γ form and the crystallinity in the samples and also the influence of the percentage of 1‐butene on the cell parameters. Furthermore, it was possible to appraise the contributions of different stacks of lamellae to the small‐angle X‐ray diffraction patterns.

© 2001 Society of Chemical Industry

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Blends of isotactic polypropene (i-PP) with random ethene/1-butene (EB) copolymers containing 10, 24, 48, 58, 62, 82, and 90 wt % 1-butene were prepared in order to examine the influence of the EB molecular architecture on the morphology development as well as on the thermal and mechanical propertie