Three-dimensional conformation of folded polymers in single crystals

Y Hong, S Yuan, Z Li, Y Ke, K Nozaki, T Miyoshi - Physical Review Letters, 2015 - APS
The chain-folding mechanism and structure of semicrystalline polymers have long been
controversial. Solid-state NMR was applied to determine the chain trajectory of C 13 CH 3 …

Folding of polymer chains in the early stage of crystallization

S Yuan, Z Li, Y Hong, Y Ke, J Kang… - ACS Macro …, 2015 - ACS Publications
Understanding the structure formation of an ordered domain in the early stage of
crystallization is one of the long-standing issues in polymer science. In this study, we …

Molecular structural basis for stereocomplex formation of polylactide enantiomers in dilute solution

W Chen, S Wang, W Zhang, Y Ke, Y Hong… - ACS Macro …, 2015 - ACS Publications
Poly (l-lactide)(PLLA) and poly (d-lactide)(PDLA) alternatively pack with each other and form
stereocomplex crystals (SCs). The crystal habits of SCs formed in the dilute solution highly …

Determination of Chain-Folding Structure of Isotactic Polypropylene in Melt-Grown α Crystals by 13C–13C Double Quantum NMR and Selective Isotopic Labeling

Z Li, Y Hong, S Yuan, J Kang, A Kamimura… - …, 2015 - ACS Publications
Chain-folding (CF) patterns, successive CF number⟨ n⟩, and fraction⟨ F⟩ of 13C CH3 15%
labeled isotactic polypropylene (i PP) in melt-grown crystals at two crystallization …

[图书][B] Chain-packing and chain-folding structures of isotactic polypropylene characterized by solid-state NMR

Z Li - 2015 - search.proquest.com
Semi-crystalline polymers undergo drastic structural changes from random coils in the melt
states to folded chains in the crystalline lamellae during crystallization. One fundamental …