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首页> 外文期刊>日本写真学会志 >Counter-Anion Effect on the Thermal Stability of Amorphous Solid Films of Indotricarbocyanine Dyes under Highly Humid Conditions
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Counter-Anion Effect on the Thermal Stability of Amorphous Solid Films of Indotricarbocyanine Dyes under Highly Humid Conditions

机译：抗衡离子对高湿条件下吲哚硼花青染料非晶态固体膜热稳定性的影响

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摘要

In order to obtain an insight into the thermal stability of cyanine dye films for optical recording discs, deterioration rates of amorphous solid films of nine indotricarbocyanine dyes were measured at 60°C and 90% relative humidity. The dyes were made up of the combinations of 5-chloro-2-[7-(5-chloro-l,3-dihydro-l,3,3-trimethyl-2tf-indol-2-ylidene)-hepta-l,3,5-trienyl]-l,3,3-trimethyl-3ff-indoliurn and nine colorless anions. Films with relatively hydrophilic anions faded faster than those with hydrophobic ones did. The order of the deterioration rates coincides with the order of hydrophilicity of the films as estimated from water-contact angles, suggesting that the surface-adsorbed water participates in the rate-determining step.
机译：为了深入了解用于光记录盘的花青染料膜的热稳定性，在60°C和90％相对湿度下测量了9种吲哚三聚花青染料的非晶态固体膜的劣化率。染料由5-氯-2- [7-（5-氯-1,3-二氢-1,3,3-三甲基-2tf-吲哚-2-亚烷基）-庚-1的组合组成， 3，5-三烯基] -1，3，3-三甲基-3ff-吲哚啉和九个无色阴离子。具有相对亲水性阴离子的薄膜的褪色速度快于具有疏水性阴离子的薄膜。从水接触角估计，劣化速率的顺序与膜的亲水性顺序重合，这表明表面吸附的水参与了速率确定步骤。

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