Crystalline structure of polyethylene containing vinylene units in the main chain

Naofumi Naga; Rika Arai; Genzo Kikuchi; Akinori Toyota; Keiichi Noguchi; Masato Sone; Fukiko Shirae; Tomoka Gotoh; Hiromichi Kurosu

doi:10.1016/j.polymer.2011.08.058

Crystalline structure of polyethylene containing vinylene units in the main chain

Naofumi Naga, Rika Arai, Genzo Kikuchi, Akinori Toyota, Keiichi Noguchi, Masato Sone, Fukiko Shirae, Tomoka Gotoh, Hiromichi Kurosu

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Polyethylene containing trans- or cis-vinylene units in the main chain has been synthesized by means of partial hydrogenation of trans- or cis-polypentenamer (TP or CP), and trans-polyoctenamer (TO). Crystalline structure of the polymers has been investigated with wide-angle X-ray diffraction, FT-IR analyses, solid-state NMR measurements and quantum chemical calculations of the NMR chemical shifts. These results clear that the partially hydrogenated TP or CP samples having an average number of methylene units of 6.9-8.4 per vinylene unit forms not only orthorhombic crystal but hexagonal-like crystal.

Original language	English
Pages (from-to)	4857-4866
Number of pages	10
Journal	Polymer
Volume	52
Issue number	21
DOIs	https://doi.org/10.1016/j.polymer.2011.08.058
Publication status	Published - 2011 Sept 29

Keywords

Crystalline structure
Polyethylene
Vinylene unit

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1016/j.polymer.2011.08.058

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title = "Crystalline structure of polyethylene containing vinylene units in the main chain",

abstract = "Polyethylene containing trans- or cis-vinylene units in the main chain has been synthesized by means of partial hydrogenation of trans- or cis-polypentenamer (TP or CP), and trans-polyoctenamer (TO). Crystalline structure of the polymers has been investigated with wide-angle X-ray diffraction, FT-IR analyses, solid-state NMR measurements and quantum chemical calculations of the NMR chemical shifts. These results clear that the partially hydrogenated TP or CP samples having an average number of methylene units of 6.9-8.4 per vinylene unit forms not only orthorhombic crystal but hexagonal-like crystal.",

keywords = "Crystalline structure, Polyethylene, Vinylene unit",

author = "Naofumi Naga and Rika Arai and Genzo Kikuchi and Akinori Toyota and Keiichi Noguchi and Masato Sone and Fukiko Shirae and Tomoka Gotoh and Hiromichi Kurosu",

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T1 - Crystalline structure of polyethylene containing vinylene units in the main chain

AU - Naga, Naofumi

AU - Arai, Rika

AU - Kikuchi, Genzo

AU - Toyota, Akinori

AU - Noguchi, Keiichi

AU - Sone, Masato

AU - Shirae, Fukiko

AU - Gotoh, Tomoka

AU - Kurosu, Hiromichi

PY - 2011/9/29

Y1 - 2011/9/29

N2 - Polyethylene containing trans- or cis-vinylene units in the main chain has been synthesized by means of partial hydrogenation of trans- or cis-polypentenamer (TP or CP), and trans-polyoctenamer (TO). Crystalline structure of the polymers has been investigated with wide-angle X-ray diffraction, FT-IR analyses, solid-state NMR measurements and quantum chemical calculations of the NMR chemical shifts. These results clear that the partially hydrogenated TP or CP samples having an average number of methylene units of 6.9-8.4 per vinylene unit forms not only orthorhombic crystal but hexagonal-like crystal.

AB - Polyethylene containing trans- or cis-vinylene units in the main chain has been synthesized by means of partial hydrogenation of trans- or cis-polypentenamer (TP or CP), and trans-polyoctenamer (TO). Crystalline structure of the polymers has been investigated with wide-angle X-ray diffraction, FT-IR analyses, solid-state NMR measurements and quantum chemical calculations of the NMR chemical shifts. These results clear that the partially hydrogenated TP or CP samples having an average number of methylene units of 6.9-8.4 per vinylene unit forms not only orthorhombic crystal but hexagonal-like crystal.

KW - Crystalline structure

KW - Polyethylene

KW - Vinylene unit

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Crystalline structure of polyethylene containing vinylene units in the main chain

Abstract

Keywords

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