Presentation 2005/10/13
Elastic Properties of Cryoprotective Alcohols
Yuji Ike, Seiji Kojima,
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Abstract(in English) The elastic properties of lower aminoalcohol of 1-amino-2-propnaol aqueous solutions during liquid-glass transitions were measured by micro-Brillouin scattering. Although the glass transition temperatures of the aqueous solutions have no drastic molar fraction dependence, it is found that the glass-forming tendency and behavior of elastic properties are affected. In the case of aqueous solution, tendency of vitrification becomes higher than in water or aminopropanol rich regions. The longitudinal elastic modulus of glassy state increases by lowering the aminopropanol content. The structural relaxation time was derived by using the simple viscoelastic theory and it obeys the Arrhenius law.
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Keyword(in English) Cryopretectant / aminopropanol / glass transition / Brillouin scattering
Paper # US2005-60
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Committee US
Conference Date 2005/10/13(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Elastic Properties of Cryoprotective Alcohols
Sub Title (in English)
Keyword(1) Cryopretectant
Keyword(2) aminopropanol
Keyword(3) glass transition
Keyword(4) Brillouin scattering
1st Author's Name Yuji Ike
1st Author's Affiliation Graduate School of Pure and Applied Sciences, University of Tsukuba()
2nd Author's Name Seiji Kojima
2nd Author's Affiliation Graduate School of Pure and Applied Sciences, University of Tsukuba
Date 2005/10/13
Paper # US2005-60
Volume (vol) vol.105
Number (no) 345
Page pp.pp.-
#Pages 4
Date of Issue