Sum-frequency vibrational spectroscopic study of surface glass transition of poly(vinyl alcohol)

Chun Zhang, Seok Cheol Hong, Na Ji, Yen Po Wang, Kung Hwa Wei, Y. R. Shen

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

Sum-frequency vibrational spectroscopy was employed to study surface glass transition of poly(vinyl alcohol) by monitoring the relaxation of rubbing-induced alignment of surface chains with increase of temperature. The observed chain relaxation is two-dimensional, parallel to the surface. The surface transition temperature is 58 ± 2 °C, essentially the same as the bulk one.

Original languageEnglish
Pages (from-to)3303-3306
Number of pages4
JournalMacromolecules
Volume36
Issue number9
DOIs
Publication statusPublished - 2003 May 6
Externally publishedYes

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

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