The University of Southampton
University of Southampton Institutional Repository

The occurrence of hexagonal phases in three monodisperse long n-alkanes at high pressures

The occurrence of hexagonal phases in three monodisperse long n-alkanes at high pressures
The occurrence of hexagonal phases in three monodisperse long n-alkanes at high pressures
Stable hexagonal phases have been identified in the three monodisperse long n-alkanes C390H782, C294H590 and C246H494 at pressures similar to0.5 GPa and above. Their isobaric temperature range of stability widens with increasing pressure but decreases for shorter molecular lengths. Crystallization of hexagonal phases from the melt, often under metastable conditions and below the triple point, gives a characteristic morphology distinct from direct crystallization of the orthorhombic phase, as found for polyethylene. The data extend the known stability range of this two-dimensionally ordered phase to shorter molecules and complement previous work on polyethylene and short alkanes.
0032-3861
5979-5984
Hosier, I.L.
6a44329e-b742-44de-afa7-073f80a78e26
Bassett, D.C.
68fc1014-39cf-4f20-8d60-ab0545a02d19
Hosier, I.L.
6a44329e-b742-44de-afa7-073f80a78e26
Bassett, D.C.
68fc1014-39cf-4f20-8d60-ab0545a02d19

Hosier, I.L. and Bassett, D.C. (2002) The occurrence of hexagonal phases in three monodisperse long n-alkanes at high pressures. Polymer, 43 (22), 5979-5984.

Record type: Article

Abstract

Stable hexagonal phases have been identified in the three monodisperse long n-alkanes C390H782, C294H590 and C246H494 at pressures similar to0.5 GPa and above. Their isobaric temperature range of stability widens with increasing pressure but decreases for shorter molecular lengths. Crystallization of hexagonal phases from the melt, often under metastable conditions and below the triple point, gives a characteristic morphology distinct from direct crystallization of the orthorhombic phase, as found for polyethylene. The data extend the known stability range of this two-dimensionally ordered phase to shorter molecules and complement previous work on polyethylene and short alkanes.

Text
2002_Hexagonal.pdf - Other
Restricted to Registered users only
Download (662kB)
Request a copy

More information

Published date: October 2002
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 265719
URI: http://eprints.soton.ac.uk/id/eprint/265719
ISSN: 0032-3861
PURE UUID: 08d73a3a-0831-4aa2-9e12-11449912984b
ORCID for I.L. Hosier: ORCID iD orcid.org/0000-0003-4365-9385

Catalogue record

Date deposited: 15 May 2008 10:14
Last modified: 15 Mar 2024 03:18

Export record

Contributors

Author: I.L. Hosier ORCID iD
Author: D.C. Bassett

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×