Physical ageing in poly(4-hydroxy styrene)/poly(vinyl methyl ether) blends

Valeria Arrighi; J. M G Cowie; Roderick Ferguson; Iain J. McEwen; Elizabeth Anne McGonigle; Richard A. Pethrick; Elisabetta Princi

doi:10.1002/pi.1910

Physical ageing in poly(4-hydroxy styrene)/poly(vinyl methyl ether) blends

Valeria Arrighi, J. M G Cowie, Roderick Ferguson, Iain J. McEwen, Elizabeth Anne McGonigle, Richard A. Pethrick, Elisabetta Princi

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

9 Citations (Scopus)

Abstract

The influence of blend composition on enthalpy-relaxation behaviour was assessed for miscible blends of poly(4-hydroxy styrene)/poly(vinyl methyl ether) (PHS/PVME). Values of enthalpy lost (?H(T_a, t_a)) were calculated from experimental data plotted against log (t_a) and modelled using the Cowie-Ferguson (CF) expression. This gives a set of values for three adjustable parameters, ?H8(T_a), log (t_c) and ß. Positron annihilation lifetime spectroscopy (PALS) measurements indicated that all of the blends, except the blend with 59 mol% of the PHS component, have greater free volume than pure PHS. Furthermore, infrared spectroscopy was useful for assessing the hydrogen-bonding interactions in the blends. The ageing results are discussed with reference to the strength of the interactions and free volumes, and are compared with related systems. © 2005 Society of Chemical Industry.

Original language	English
Pages (from-to)	749-756
Number of pages	8
Journal	Polymer International
Volume	55
Issue number	7
DOIs	https://doi.org/10.1002/pi.1910
Publication status	Published - Jul 2006

Keywords

Ageing
Blends
Enthalpy relaxation
FTIR spectroscopy
Hydrogen bonding

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10.1002/pi.1910

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@article{365a03ad1ec140eb90555dbdaaad0271,

title = "Physical ageing in poly(4-hydroxy styrene)/poly(vinyl methyl ether) blends",

abstract = "The influence of blend composition on enthalpy-relaxation behaviour was assessed for miscible blends of poly(4-hydroxy styrene)/poly(vinyl methyl ether) (PHS/PVME). Values of enthalpy lost (?H(Ta, ta)) were calculated from experimental data plotted against log (ta) and modelled using the Cowie-Ferguson (CF) expression. This gives a set of values for three adjustable parameters, ?H8(Ta), log (tc) and {\ss}. Positron annihilation lifetime spectroscopy (PALS) measurements indicated that all of the blends, except the blend with 59 mol% of the PHS component, have greater free volume than pure PHS. Furthermore, infrared spectroscopy was useful for assessing the hydrogen-bonding interactions in the blends. The ageing results are discussed with reference to the strength of the interactions and free volumes, and are compared with related systems. {\textcopyright} 2005 Society of Chemical Industry.",

keywords = "Ageing, Blends, Enthalpy relaxation, FTIR spectroscopy, Hydrogen bonding",

author = "Valeria Arrighi and Cowie, {J. M G} and Roderick Ferguson and McEwen, {Iain J.} and McGonigle, {Elizabeth Anne} and Pethrick, {Richard A.} and Elisabetta Princi",

year = "2006",

month = jul,

doi = "10.1002/pi.1910",

language = "English",

volume = "55",

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journal = "Polymer International",

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publisher = "John Wiley and Sons Ltd",

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T1 - Physical ageing in poly(4-hydroxy styrene)/poly(vinyl methyl ether) blends

AU - Arrighi, Valeria

AU - Cowie, J. M G

AU - Ferguson, Roderick

AU - McEwen, Iain J.

AU - McGonigle, Elizabeth Anne

AU - Pethrick, Richard A.

AU - Princi, Elisabetta

PY - 2006/7

Y1 - 2006/7

N2 - The influence of blend composition on enthalpy-relaxation behaviour was assessed for miscible blends of poly(4-hydroxy styrene)/poly(vinyl methyl ether) (PHS/PVME). Values of enthalpy lost (?H(Ta, ta)) were calculated from experimental data plotted against log (ta) and modelled using the Cowie-Ferguson (CF) expression. This gives a set of values for three adjustable parameters, ?H8(Ta), log (tc) and ß. Positron annihilation lifetime spectroscopy (PALS) measurements indicated that all of the blends, except the blend with 59 mol% of the PHS component, have greater free volume than pure PHS. Furthermore, infrared spectroscopy was useful for assessing the hydrogen-bonding interactions in the blends. The ageing results are discussed with reference to the strength of the interactions and free volumes, and are compared with related systems. © 2005 Society of Chemical Industry.

AB - The influence of blend composition on enthalpy-relaxation behaviour was assessed for miscible blends of poly(4-hydroxy styrene)/poly(vinyl methyl ether) (PHS/PVME). Values of enthalpy lost (?H(Ta, ta)) were calculated from experimental data plotted against log (ta) and modelled using the Cowie-Ferguson (CF) expression. This gives a set of values for three adjustable parameters, ?H8(Ta), log (tc) and ß. Positron annihilation lifetime spectroscopy (PALS) measurements indicated that all of the blends, except the blend with 59 mol% of the PHS component, have greater free volume than pure PHS. Furthermore, infrared spectroscopy was useful for assessing the hydrogen-bonding interactions in the blends. The ageing results are discussed with reference to the strength of the interactions and free volumes, and are compared with related systems. © 2005 Society of Chemical Industry.

KW - Ageing

KW - Blends

KW - Enthalpy relaxation

KW - FTIR spectroscopy

KW - Hydrogen bonding

UR - http://www.scopus.com/inward/record.url?scp=33745553171&partnerID=8YFLogxK

U2 - 10.1002/pi.1910

DO - 10.1002/pi.1910

M3 - Article

SN - 0959-8103

VL - 55

SP - 749

EP - 756

JO - Polymer International

JF - Polymer International

IS - 7

ER -

Physical ageing in poly(4-hydroxy styrene)/poly(vinyl methyl ether) blends

Abstract

Keywords

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