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Concepts of Nucleation in Polymer Crystallization

by 1,*, 2,* and 3,*
1
Advanced Materials Laboratory of Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
2
Institute of Physics and Freiburg Materials Research Center, Albert-Ludwig-University of Freiburg, 79104 Freiburg, Germany
3
FAMU-FSU College of Engineering, Department of Chemical and Biomedical Engineering, 2525 Pottsdamer St, Tallahassee, FL 32310, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Jean-Marc Haudin
Crystals 2021, 11(3), 304; https://doi.org/10.3390/cryst11030304
Received: 27 February 2021 / Revised: 16 March 2021 / Accepted: 17 March 2021 / Published: 19 March 2021
(This article belongs to the Topic Polymer Crystallization)
Nucleation plays a vital role in polymer crystallization, in which chain connectivity and thus the multiple length and time scales make crystal nucleation of polymer chains an interesting but complex subject. Though the topic has been intensively studied in the past decades, there are still many open questions to answer. The final properties of semicrystalline polymer materials are affected by all of the following: the starting melt, paths of nucleation, organization of lamellar crystals and evolution of the final crystalline structures. In this viewpoint, we attempt to discuss some of the remaining open questions and corresponding concepts: non-equilibrated polymers, self-induced nucleation, microscopic kinetics of different processes, metastability of polymer lamellar crystals, hierarchical order and cooperativity involved in nucleation, etc. Addressing these open questions through a combination of novel concepts, new theories and advanced approaches provides a deeper understanding of the multifaceted process of crystal nucleation of polymers. View Full-Text
Keywords: nucleation; polymer crystallization; primary nucleation; secondary nucleation; non-equilibrium nucleation; polymer crystallization; primary nucleation; secondary nucleation; non-equilibrium
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MDPI and ACS Style

Xu, J.; Reiter, G.; Alamo, R.G. Concepts of Nucleation in Polymer Crystallization. Crystals 2021, 11, 304. https://doi.org/10.3390/cryst11030304

AMA Style

Xu J, Reiter G, Alamo RG. Concepts of Nucleation in Polymer Crystallization. Crystals. 2021; 11(3):304. https://doi.org/10.3390/cryst11030304

Chicago/Turabian Style

Xu, Jun, Günter Reiter, and Rufina G. Alamo 2021. "Concepts of Nucleation in Polymer Crystallization" Crystals 11, no. 3: 304. https://doi.org/10.3390/cryst11030304

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