The Effect of Homogeneous Short Branching on Chain Folding Behavior

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概要

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• The effect of branch content on chain folding behavior was studied by molecular dynamics simulation. The study was carried out using a single linear chain composed of 300 CH2 units with short branches. The number of branches varied from 0 to 29. The short branches were located homogeneously along the backbone chain. The model polymer was assumed to be ethylene/$\alpha$-hexene copolymer produced with metallocene polymerization. There was a critical number of branches required to form the ideal folded structure. Most branches in the folded structures were excluded from the crystal region and were located at the folding surfaces. The chain with homogeneous branching could form a stable folded structure with shorter folding length than that with no branches. When the chain without branches folded, the sliding movement promoted thickening. When the chain with branches folded, thickening ceased on the way because branches inhibited the sliding movement of the chain.

• Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
• 2001-03-15

著者

• Iwata Masako

  Graduate School Of Humanities And Sciences Ochanomizu University

• Iwata Masako

  Graduate School of Humanities and Sciences, Ochanomizu University, 2-1-1 Ohtsuka, Bunkyo-ku, Tokyo 112-8610, Japan

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• The Effect of Homogeneous Short Branching on Chain Folding Behavior
• The Effect of Homogeneous Short Branching on Chain Folding Behavior

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