The objective of the presented doctoral thesis aims to investigate the morphology of linear and long-chain branched polypropylene, with a particular focus on identifying optimal conditions for controlling the phase structure. This includes exploring the influence of process parameters and chemical composition on the phase formation and structure. Special attention is dedicated to the effect of incorporating long branches of long-chain branched polypropylene into the linear polypropylene.
Key findings of the study reveal that long-chain branched polypropylene can enhance the crystallization process, outperforming traditional nucleating agents. Long-chain branched polypropylene not only reduces haze and speeds up crystallization but also promotes the formation of finer crystalline structures in polypropylene blends, even at low concentrations. The research further identifies long-chain branched polypropylene as a potential alternative to conventional nucleating agents, especially in high-temperature processing applications.
Additionally, the thesis explores annealing as a method for improving the crystalline phases and mechanical properties of polypropylene. It also highlights the transformation of the β-phase into the α-phase as an effective method of improving material performance.
| ISBN: | 978-80-7678-325-6 |
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| EAN: | 9788076783256 |
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| Počet stran |
44 stran |
| Datum vydání |
19. 03. 2025 |
| Pořadí vydání |
První |
| Jazyk |
anglický |
| Vazba |
e-kniha - ostatní |
| Autor: |
Soňa Zenzingerová |
| Nakladatelství |
Univerzita Tomáše Bati ve Zlíně |
| Tématická skupina |
999 - nezařazeno |
| Neprodejná publikace. Publikaci je možné poptávat zde: Volně dostupné na http://hdl.handle.net/10563/56827 |
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