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Entanglements of Macromolecules and Their Influence on Rheological and Mechanical Properties of Polymers
by
Andrzej Pawlak
Andrzej Pawlak *
and
Justyna Krajenta
Justyna Krajenta
Dr. Justyna Krajenta is a specialist at the Center of
Molecular and Macromolecular Studies, Polish [...]
Dr. Justyna Krajenta is a specialist at the Center of
Molecular and Macromolecular Studies, Polish Academy of Sciences, in Lodz. She
obtained a master’s degree from Nicolaus Copernicus University in Torun (2012)
and a Ph.D. degree in chemistry from the CMMS Polish Academy of Sciences in
Lodz (2021). Her scientific interests concern the mechanical properties and
crystallization of partially crystalline polymers. She is also involved in
research on polymer composites.
Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, 90-363 Lodz, Poland
*
Author to whom correspondence should be addressed.
Molecules 2024, 29(14), 3410; https://doi.org/10.3390/molecules29143410 (registering DOI)
Submission received: 28 June 2024
/
Revised: 11 July 2024
/
Accepted: 17 July 2024
/
Published: 20 July 2024
Abstract
Flexible macromolecules easily become entangled with neighboring macromolecules. The resulting network determines many polymer properties, including rheological and mechanical properties. Therefore, a number of experimental and modeling studies were performed to describe the relationship between the degree of entanglement of macromolecules and polymer properties. The introduction presents general information about the entanglements of macromolecule chains, collected on the basis of studies of equilibrium entangled polymers. It is also shown how the density of entanglements can be reduced. The second chapter presents experiments and models leading to the description of the movement of a single macromolecule. The next part of the text discusses how the rheological properties change after partial disentangling of the polymer. The results on the influence of the degree of chain entanglement on mechanical properties are presented.
Share and Cite
MDPI and ACS Style
Pawlak, A.; Krajenta, J.
Entanglements of Macromolecules and Their Influence on Rheological and Mechanical Properties of Polymers. Molecules 2024, 29, 3410.
https://doi.org/10.3390/molecules29143410
AMA Style
Pawlak A, Krajenta J.
Entanglements of Macromolecules and Their Influence on Rheological and Mechanical Properties of Polymers. Molecules. 2024; 29(14):3410.
https://doi.org/10.3390/molecules29143410
Chicago/Turabian Style
Pawlak, Andrzej, and Justyna Krajenta.
2024. "Entanglements of Macromolecules and Their Influence on Rheological and Mechanical Properties of Polymers" Molecules 29, no. 14: 3410.
https://doi.org/10.3390/molecules29143410
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