Journal
JOURNAL OF PHYSICAL CHEMISTRY B
Volume 122, Issue 48, Pages 10928-10933Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcb.8b07499
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Funding
- National Natural Science Foundation of China [21474050, 21734005]
- Program for Changjiang Scholars and Innovative Research Teams in University
- CAS Interdisciplinary Innovation Team
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We performed dynamic Monte Carlo simulations to investigate strain-induced polymer crystallization under separate enhancements of the driving forces for homocomponent and stereocomplex crystallization in the half-half symmetric racemic polymer blends. The results showed that the polymer strain significantly enhances the stereocomplex crystallization, in comparison to the parallel cases of template-induced crystal growth without any strain in the previous simulations. We attributed the results to the strain-induced polymer crystallization favoring intermolecular crystal nucleation at high temperatures, which benefits the stereocomplex crystallization. Our observations provided a molecular-level interpretation to the strain- or shear-enhanced stereocomplex crystallization in the racemic polylactide blends.
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