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 | |
| State | Published - Feb 8 2005 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Organic Chemistry
- Polymers and Plastics
- Inorganic Chemistry
- Materials Chemistry
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