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Effect of β-phase nucleating additives on structure and properties of blow extruded polypropylene
, M. Tapale, , E. Rairkar, V. Shirodkar, H.P. Natu
Published in John Wiley and Sons Inc.
Volume: 64
Issue: 7
Pages: 1247 - 1253
The structure development and mechanical properties of blow extruded polypropylene containing β-phase nucleating additives was studied. Quinacridone red and cadmium red were both found to nucleate the β phase in polypropylene, the former being a much more efficient nucleator than the latter. The β-phase spherulites formed in the presence of these nucleating agents were small and extensively volume filled, yielding high crystallinity. The modulus increased 2-3 times, elongation at break decreased, and there was a sharp break point without much yield when the β-phase nucleating agents were added as compared to the pure α-phase polypropylene. © 1997 John Wiley of Sons, Inc.
About the journal
JournalData powered by TypesetJournal of Applied Polymer Science
PublisherData powered by TypesetJohn Wiley and Sons Inc.
Open AccessNo