Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 47: Issue 4
Crystallization kinetics of metallocene type polypropylenes Influence of molecular weight and comparison with Ziegler-Natta type systems
Authors: M. J. Galante 1 , L. Mandelkern 1 , R. G. Alamo 2 , A. Lehtinen 3 , and R. Paukker 3
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  • 1 Institute of Molecular Biophysics and Department of Chemistry Florida State University 32306-3015 Tallahassee FL
  • | 2 Department of Chemical Engineering FAMU/FSU College of Engineering 2525 Pottsdamer St. 32310-6046 Tallahassee FL USA
  • | 3 Polymer Department Research and Technology Borealis Polymers OY P. O. Box 330 FIN-06101 Porvoo Finland
Pages:
913–929
Online Publication Date:
02 Aug 2005
Publication Date:
01 Oct 1996
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01979439
Keywords:
crystallization kinetics; metallocene type poly(propylenes)
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The crystallization kinetics from the melt of metallocene type isotactic poly(propylenes) having the same chain defect concentration and molecular weights ranging from 68480 to 288430 have been studied by differential scanning calorimetry. The crystallization rates and the variation of the rates with crystallization temperature follow a pattern that is basically independent of molecular weight. This result contrasts with the molecular weight dependence on the crystallization rate observed in linear polyethylene, random ethylene copolymers as well as other semicrystalline systems.

Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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