The molecular dynamics and orientation of vulcanized natural rubber stretched at low extension ratio were studied by solid-state 13C NMR and density functional theory (DFT) calculations. Isoprene units of the oriented rubber chains in stretched NR rotate rapidly around an axis that almost aligned with C=C bond direction of polyisoprene.
- Hideaki Kimura
- Hidehiko Dohi
- Tetsuo Asakura
