油化学
Online ISSN : 1884-2003
ISSN-L : 0513-398X
トリリノレノイルグリセリン薄膜の熱酸化反応
不飽和トリアシルグリセリン薄膜の熱酸化反応 (第 3 報)
高岡 京高砂子 昌久小林 光一多留 康矩
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1992 年 41 巻 12 号 p. 1185-1190

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The thermal oxidation of thin film (thickness 1318 μm) of trilinolenoylglycerol (TLNG) under air and under oxygen was investigated by thermogravimetric analysis.
The weight of TLNG increased from of 20°C to 190°C and decreased from 190°C to 600°C.
The relationship between a maximum weight-increased sample (Y) (mg·cm-2) and film thickness of TLNG (X) (μm) at a heating rate of 1 °C/min was found to be expressed by the following equations.
Film thickness of TLNG Equations Atomospheres
<30μm Y=14.4X under air
30218μm Y=4.4X+290 under air
<30μm Y=15.0X under oxygen
3085μm Y=9.0X+180 under oxygen
The relationship between the thickness of a layer degradated by thermal oxidation (Y') (μ m) and film thickness of TLNG (X') (μm) could be obtained from the following equations.
Film thickness of TLNG Equations Atomospheres
<30μm Y'=0.50X' under air
30168μm Y'=0.25X'+7 under air
<30μm Y'=0.83X' under oxygen
30168μm Y'=0.14X'+21 under oxygen

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