Physical aging of ultrathin polymer films above and below the bulk glass transition temperature: Effects of attractive vs neutral polymer-substrate interactions measured by fluorescence

Rodney D. Priestley; Linda J. Broadbelt; John M. Torkelson

doi:10.1021/ma047994o

Physical aging of ultrathin polymer films above and below the bulk glass transition temperature: Effects of attractive vs neutral polymer-substrate interactions measured by fluorescence

Rodney D. Priestley, Linda J. Broadbelt, John M. Torkelson

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

114 Scopus citations

Abstract

The characterization of physical aging of ultrathin polymer films above and below the bulk glass transition temperature was discussed. Fluorescence of mobility-sensitive or free-volume-sensitive chromophores was used to show aging in bulk polymers. 4-tricyanovinyl-[N-(2-hydroxyethy-N-ethyl]aniline (TC1) was used to monitor the ageing at T _g.bulk-25K in ultrathin poly(isobutyl methacrylate) (PIMBA) films. It was found that the aging rate was independent of thickness down to 10 nm.

Original language	English (US)
Pages (from-to)	654-657
Number of pages	4
Journal	Macromolecules
Volume	38
Issue number	3
DOIs	https://doi.org/10.1021/ma047994o
State	Published - Feb 8 2005

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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10.1021/ma047994o

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abstract = "The characterization of physical aging of ultrathin polymer films above and below the bulk glass transition temperature was discussed. Fluorescence of mobility-sensitive or free-volume-sensitive chromophores was used to show aging in bulk polymers. 4-tricyanovinyl-[N-(2-hydroxyethy-N-ethyl]aniline (TC1) was used to monitor the ageing at T g.bulk-25K in ultrathin poly(isobutyl methacrylate) (PIMBA) films. It was found that the aging rate was independent of thickness down to 10 nm.",

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Physical aging of ultrathin polymer films above and below the bulk glass transition temperature: Effects of attractive vs neutral polymer-substrate interactions measured by fluorescence. / Priestley, Rodney D.; Broadbelt, Linda J.; Torkelson, John M.
In: Macromolecules, Vol. 38, No. 3, 08.02.2005, p. 654-657.

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

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T1 - Physical aging of ultrathin polymer films above and below the bulk glass transition temperature

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AU - Torkelson, John M.

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Physical aging of ultrathin polymer films above and below the bulk glass transition temperature: Effects of attractive vs neutral polymer-substrate interactions measured by fluorescence

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