Magnetic-field induced alignment of low molecular weight polyethylene

Naofumi Naga; Gaku Ishikawa; Keiichi Noguchi; Kohki Takahashi; Kazuo Watanabe; Masafumi Yamato

doi:10.1016/j.polymer.2012.12.016

Magnetic-field induced alignment of low molecular weight polyethylene

Naofumi Naga, Gaku Ishikawa, Keiichi Noguchi, Kohki Takahashi, Kazuo Watanabe, Masafumi Yamato

High Field Laboratory for Superconducting Materials

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

Magnetic-field induced alignment of polyethylene is firstly reported. Isothermal crystallization of low molecular weight polyethylene samples, high density polyethylene (HDPE) and linear low density polyethylene (LLDPE), from melting state was conducted under the magnetic-field of 2 or 10 T. Isothermal crystallization at the temperatures which induced effective self-seeding achieved alignment of polymer chains. The b axis of polyethylene unit cell was aligned parallel to the magnetic-field. Low viscosity and low crystallization rate of the polyethylene samples were favorable for high degree of the magnetic-field alignment.

Original language	English
Pages (from-to)	784-790
Number of pages	7
Journal	Polymer
Volume	54
Issue number	2
DOIs	https://doi.org/10.1016/j.polymer.2012.12.016
Publication status	Published - 2013 Jan 24

Keywords

Isothermal crystallization
Magnetic-field alignment
Polyethylene

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Materials Chemistry

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title = "Magnetic-field induced alignment of low molecular weight polyethylene",

abstract = "Magnetic-field induced alignment of polyethylene is firstly reported. Isothermal crystallization of low molecular weight polyethylene samples, high density polyethylene (HDPE) and linear low density polyethylene (LLDPE), from melting state was conducted under the magnetic-field of 2 or 10 T. Isothermal crystallization at the temperatures which induced effective self-seeding achieved alignment of polymer chains. The b axis of polyethylene unit cell was aligned parallel to the magnetic-field. Low viscosity and low crystallization rate of the polyethylene samples were favorable for high degree of the magnetic-field alignment.",

keywords = "Isothermal crystallization, Magnetic-field alignment, Polyethylene",

author = "Naofumi Naga and Gaku Ishikawa and Keiichi Noguchi and Kohki Takahashi and Kazuo Watanabe and Masafumi Yamato",

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T1 - Magnetic-field induced alignment of low molecular weight polyethylene

AU - Naga, Naofumi

AU - Ishikawa, Gaku

AU - Noguchi, Keiichi

AU - Takahashi, Kohki

AU - Watanabe, Kazuo

AU - Yamato, Masafumi

PY - 2013/1/24

Y1 - 2013/1/24

N2 - Magnetic-field induced alignment of polyethylene is firstly reported. Isothermal crystallization of low molecular weight polyethylene samples, high density polyethylene (HDPE) and linear low density polyethylene (LLDPE), from melting state was conducted under the magnetic-field of 2 or 10 T. Isothermal crystallization at the temperatures which induced effective self-seeding achieved alignment of polymer chains. The b axis of polyethylene unit cell was aligned parallel to the magnetic-field. Low viscosity and low crystallization rate of the polyethylene samples were favorable for high degree of the magnetic-field alignment.

AB - Magnetic-field induced alignment of polyethylene is firstly reported. Isothermal crystallization of low molecular weight polyethylene samples, high density polyethylene (HDPE) and linear low density polyethylene (LLDPE), from melting state was conducted under the magnetic-field of 2 or 10 T. Isothermal crystallization at the temperatures which induced effective self-seeding achieved alignment of polymer chains. The b axis of polyethylene unit cell was aligned parallel to the magnetic-field. Low viscosity and low crystallization rate of the polyethylene samples were favorable for high degree of the magnetic-field alignment.

KW - Isothermal crystallization

KW - Magnetic-field alignment

KW - Polyethylene

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DO - 10.1016/j.polymer.2012.12.016

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JF - Polymer (United Kingdom)

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