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The effect of specific beta-nucleation on morphology and mechanical behavior of isotactic polypropylene
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SYSNO ASEP 0188832 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title The effect of specific beta-nucleation on morphology and mechanical behavior of isotactic polypropylene Author(s) Kotek, Jiří (UMCH-V) RID
Raab, Miroslav (UMCH-V)
Baldrian, Josef (UMCH-V)
Grellmann, W. (DE)Source Title Journal of Applied Polymer Science. - : Wiley - ISSN 0021-8995
Roč. 85, č. 6 (2002), s. 1174-1184Number of pages 11 s. Language eng - English Country US - United States Keywords polypropylene ; morphology ; beta-nucleation Subject RIV CD - Macromolecular Chemistry R&D Projects GA106/99/P011 GA ČR - Czech Science Foundation (CSF) GA106/98/0718 GA ČR - Czech Science Foundation (CSF) IAA4050904 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z4050913 - UMCH-V Annotation It was found that at a critical concentration of a specific beta-nucleant of 0.03 wt % the content of the beta-modification virtually reaches a saturation level. The long period passes through a distinct maximum at the same nucleant concentration. This singularity in structure remarkably correlates with a minimum of the yield stress and maxima of strain at break and fracture toughness. Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2003
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