Transformation of egg-white glass into partially crystallized glass induced by heat treatment and gamma-ray irradiation

Haruichi Kanaya, Tetsuaki Nishida, Masakazu Ohara, Kazuhiro Hara, Kazumi Matsushige, Eisei Takushi, Yasukuni Matsumoto

研究成果: ジャーナルへの寄稿記事

20 引用 (Scopus)

抄録

Egg-white gel is easily transformed into transparent “glass" by drying at ambient temperature, e.g. at 25° C for 140 min. The optical transmittance is increased from 2 to 25% accompanied with a decrease in the weight by more than 70%. Broad and intense IR absorption peaks observed at 3288–3308 and 1653–1657 cm-1 were respectively assigned to ν (NH) and να(C=O) stretching modes in the amido (RCONH-) groups, and the δ(NH) bending mode was observed at 1521–1546 cm-1. Differential thermal analysis (DTA) study showed a distinct endothermic peak due to the glass transition, and the peak position was located at 36, 42, 58 and 69° C when the heating rates were 2, 5, 10 and 20° C min-1, respectively. Heat treatment of egg-white glass at 60° C or γ-ray irradiation resulted in partial crystallization, and the XRD patterns showed a few diffraction peaks superimposed on the halo peak due to the glassy phase.

元の言語英語
ページ数1
ジャーナルJapanese Journal of Applied Physics
33
発行部数1R
DOI
出版物ステータス出版済み - 1 1 1994

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eggs
Gamma rays
heat treatment
Heat treatment
Irradiation
gamma rays
Glass
irradiation
glass
Opacity
Heating rate
Differential thermal analysis
Stretching
Glass transition
Drying
Gels
Diffraction
Crystallization
drying
ambient temperature

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

これを引用

Transformation of egg-white glass into partially crystallized glass induced by heat treatment and gamma-ray irradiation. / Kanaya, Haruichi; Nishida, Tetsuaki; Ohara, Masakazu; Hara, Kazuhiro; Matsushige, Kazumi; Takushi, Eisei; Matsumoto, Yasukuni.

:: Japanese Journal of Applied Physics, 巻 33, 番号 1R, 01.01.1994.

研究成果: ジャーナルへの寄稿記事

Kanaya, Haruichi ; Nishida, Tetsuaki ; Ohara, Masakazu ; Hara, Kazuhiro ; Matsushige, Kazumi ; Takushi, Eisei ; Matsumoto, Yasukuni. / Transformation of egg-white glass into partially crystallized glass induced by heat treatment and gamma-ray irradiation. :: Japanese Journal of Applied Physics. 1994 ; 巻 33, 番号 1R.
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abstract = "Egg-white gel is easily transformed into transparent “glass{"} by drying at ambient temperature, e.g. at 25° C for 140 min. The optical transmittance is increased from 2 to 25{\%} accompanied with a decrease in the weight by more than 70{\%}. Broad and intense IR absorption peaks observed at 3288–3308 and 1653–1657 cm-1 were respectively assigned to ν (NH) and να(C=O) stretching modes in the amido (RCONH-) groups, and the δ(NH) bending mode was observed at 1521–1546 cm-1. Differential thermal analysis (DTA) study showed a distinct endothermic peak due to the glass transition, and the peak position was located at 36, 42, 58 and 69° C when the heating rates were 2, 5, 10 and 20° C min-1, respectively. Heat treatment of egg-white glass at 60° C or γ-ray irradiation resulted in partial crystallization, and the XRD patterns showed a few diffraction peaks superimposed on the halo peak due to the glassy phase.",
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AU - Nishida, Tetsuaki

AU - Ohara, Masakazu

AU - Hara, Kazuhiro

AU - Matsushige, Kazumi

AU - Takushi, Eisei

AU - Matsumoto, Yasukuni

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