Structural relaxation of confined glassy polymers

Yunlong Guo; Rodney D. Priestley

doi:10.1007/978-3-319-21948-6_3

Structural relaxation of confined glassy polymers

Yunlong Guo, Rodney D. Priestley

Research output: Chapter in Book/Report/Conference proceeding › Chapter

2 Scopus citations

Abstract

Glasses are non-equilibrium, amorphous materials. They undergo glassy-state structural relaxation towards thermodynamic equilibrium. Consequently, glasses exhibit time-dependent engineering properties in a process termed physical aging. Understanding structural relaxation is important for predicting long-term material properties and useful lifetimes. Here, we highlight the influence of nanoscale confinement and interfaces on the structural relaxation of polymers. Whenever possible, we also discuss correlations or lack thereof between the well-documented influence of confinement on the glass transition temperature (T_g). How confinement might be used to engineer different aging responses in polymer glasses is also mentioned. Finally, we conclude with perspectives and future work.

Original language	English (US)
Title of host publication	Non-equilibrium Phenomena in Confined Soft Matter
Subtitle of host publication	Irreversible Adsorption, Physical Aging and Glass Transition at the Nanoscale
Publisher	Springer International Publishing
Pages	47-88
Number of pages	42
ISBN (Electronic)	9783319219486
ISBN (Print)	9783319219479
DOIs	https://doi.org/10.1007/978-3-319-21948-6_3
State	Published - Aug 28 2015

All Science Journal Classification (ASJC) codes

General Engineering
General Chemistry
General Materials Science
General Physics and Astronomy

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10.1007/978-3-319-21948-6_3

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abstract = "Glasses are non-equilibrium, amorphous materials. They undergo glassy-state structural relaxation towards thermodynamic equilibrium. Consequently, glasses exhibit time-dependent engineering properties in a process termed physical aging. Understanding structural relaxation is important for predicting long-term material properties and useful lifetimes. Here, we highlight the influence of nanoscale confinement and interfaces on the structural relaxation of polymers. Whenever possible, we also discuss correlations or lack thereof between the well-documented influence of confinement on the glass transition temperature (Tg). How confinement might be used to engineer different aging responses in polymer glasses is also mentioned. Finally, we conclude with perspectives and future work.",

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AB - Glasses are non-equilibrium, amorphous materials. They undergo glassy-state structural relaxation towards thermodynamic equilibrium. Consequently, glasses exhibit time-dependent engineering properties in a process termed physical aging. Understanding structural relaxation is important for predicting long-term material properties and useful lifetimes. Here, we highlight the influence of nanoscale confinement and interfaces on the structural relaxation of polymers. Whenever possible, we also discuss correlations or lack thereof between the well-documented influence of confinement on the glass transition temperature (Tg). How confinement might be used to engineer different aging responses in polymer glasses is also mentioned. Finally, we conclude with perspectives and future work.

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Structural relaxation of confined glassy polymers

Abstract

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