GLASS TRANSITION OF HYDRATED WHEAT GLIADIN POWDERS

Shao-min Sun; Li Zhao; Yi-hu Song; Qiang Zheng

doi:10.1007/s10118-011-1052-8

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GLASS TRANSITION OF HYDRATED WHEAT GLIADIN POWDERS

PAPER | Updated：2021-06-21

- GLASS TRANSITION OF HYDRATED WHEAT GLIADIN POWDERS
- Chinese Journal of Polymer Science Vol. 29, Issue 4, Pages: 483-489(2011)
- Affiliations：
  
  a.Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
  b.Key Laboratory of Macromolecular Synthesis and Functionalization of Ministry of Education, Zhejiang University, Hangzhou 310027, China
  c.Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
- Author bio：
  
  **Yi-hu Song (宋义虎), E-mail: s_yh0411@zju.edu.cn
  Qiang Zheng (郑强), E-mail: zhengqiang@zju.edu.cn
- Funds：
- DOI：10.1007/s10118-011-1052-8
  CLC：
- Received：19 July 2010，
  
  Revised：2010-09-26，
  
  Accepted：08 October 2010，
  
  Published：2011
- Accepted：
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Shao-min Sun, Li Zhao, Yi-hu Song, et al. GLASS TRANSITION OF HYDRATED WHEAT GLIADIN POWDERS[J]. Chinese Journal of Polymer Science, 2011, 29(4): 483-489.
DOI：

Shao-min Sun, Li Zhao, Yi-hu Song, et al. GLASS TRANSITION OF HYDRATED WHEAT GLIADIN POWDERS[J]. Chinese Journal of Polymer Science, 2011, 29(4): 483-489. DOI： 10.1007/s10118-011-1052-8.

摘要

Abstract

Modulated-temperature differential scanning calorimetric and dynamic mechanical analyses and dielectric spectroscopy were used to investigate the glass transition of hydrated wheat gliadin powders with moisture absorption ranged from 2.30 db% to 18.21 db%. Glass transition temperature (

) of dry wheat gliadin was estimated according to the Gordon-Taylor equation. Structural heterogeneity at high degrees of hydration was revealed in dielectric temperature and frequency spectra. The activation energies (

) of the two relaxations were calculated from Arrhenius equation.

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