Chain Trajectory, Chain Packing, and Molecular Dynamics of Semicrystalline Polymers as Studied by Solid-State NMR

Shijun Wang; You-Lee Hong; Shichen Yuan; Wei Chen; Wenxuan Zhou; Zhen Li; Kun Wang; Xu Min; Takashi Konishi; Toshikazu Miyoshi

doi:10.3390/polym10070775

Chain Trajectory, Chain Packing, and Molecular Dynamics of Semicrystalline Polymers as Studied by Solid-State NMR

Polymers (Basel). 2018 Jul 15;10(7):775. doi: 10.3390/polym10070775.

Authors

Shijun Wang¹, You-Lee Hong^{2

3}, Shichen Yuan⁴, Wei Chen^{5

6}, Wenxuan Zhou⁷, Zhen Li⁸, Kun Wang⁹, Xu Min¹⁰, Takashi Konishi^{11

12}, Toshikazu Miyoshi¹³

Affiliations

¹ Department of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA. sw105@zips.uakron.edu.
² Department of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA. yh35@zips.uakron.edu.
³ RIKEN CLST-JEOL Collaboration Center, RIKEN, Yokohama, Kanagawa 230-0045, Japan. yh35@zips.uakron.edu.
⁴ Department of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA. sy33@zips.uakron.edu.
⁵ Department of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA. weichendave@163.com.
⁶ State Key Lab of Pollution Control and Resource Reuse Study, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China. weichendave@163.com.
⁷ Department of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA. wz35@zips.uakron.edu.
⁸ Department of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA. zl16@zips.uakron.edu.
⁹ Department of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA. kw104@zips.uakron.edu.
¹⁰ School of Physics and Materials Science & Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai 200062, China. mxu1@uakron.edu.
¹¹ Department of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA. konishi.takashi.8c@kyoto-u.ac.jp.
¹² Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606-8501, Japan. konishi.takashi.8c@kyoto-u.ac.jp.
¹³ Department of Polymer Science, The University of Akron, Akron, OH 44325-3909, USA. miyoshi@uakron.edu.

Abstract

Chain-level structure of semicrystalline polymers in melt- and solution-grown crystals has been debated over the past half century. Recently, ¹³C⁻¹³C double quantum (DQ) Nuclear Magnetic Resonance (NMR) spectroscopy has been successfully applied to investigate chain-folding (CF) structure and packing structure of ¹³C enriched polymers after solution and melt crystallization. We review recent NMR studies for (i) packing structure, (ii) chain trajectory, (iii) conformation of the folded chains, (iv) nucleation mechanisms, (v) deformation mechanism, and (vi) molecular dynamics of semicrystalline polymers.

Keywords: chain packing; chain trajectory; molecular dynamics; polymer crystallization; semicrystalline polymer; solid-state NMR.

Publication types

Review

Grants and funding

DMR-1708999/National Science Foundation