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Flexible thin films based on poly(ester imide) materials for optoelectronic applications
Polymer International ( IF 2.9 ) Pub Date : 2021-08-15 , DOI: 10.1002/pi.6288 Diana Serbezeanu 1 , Mihaela Homocianu 1 , Ana‐Maria Macsim 1 , Alexandru Alin Enache 2 , Tăchiță Vlad‐Bubulac 1
Polymer International ( IF 2.9 ) Pub Date : 2021-08-15 , DOI: 10.1002/pi.6288 Diana Serbezeanu 1 , Mihaela Homocianu 1 , Ana‐Maria Macsim 1 , Alexandru Alin Enache 2 , Tăchiță Vlad‐Bubulac 1
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A series of high-performance poly(ester imide)s bearing cycloaliphatic moieties was manufactured by a two-step procedure via solution polycondensation of an aromatic–aliphatic dianhydride containing preformed ester units and cyclohexanone ring in the main chain, with various aromatic diamines. The new dianhydride monomer, namely 2-oxocyclohexane-1,3-bis[4,4′-bis(trimellitate)benzylidene] dianhydride, was synthesized by the reaction between 2,6-bis(4-hydroxybenzylidene)cyclohexanone and trimellitic anhydride chloride. The chemical structure of the resulting dianhydride was confirmed by means of Fourier transform infrared, 1H NMR and 13C NMR spectroscopies. The poly(ester imide)s from the series exhibited water uptake capacity in the range 3.45–10.09%. The onset temperatures, corresponding to the first detected thermal weight loss in the samples, ranged from 367 to 441 °C. Besides the cycloaliphatic moieties coming from the dianhydride monomer, the other aliphatic segments present in the diamine structures were responsible for improved optical performance in the resulting poly(ester imide)s, the transmittance being higher than 80% at 684 nm. © 2021 Society of Industrial Chemistry.
中文翻译：
用于光电应用的基于聚（酯酰亚胺）材料的柔性薄膜
一系列含有脂环族部分的高性能聚（酯酰亚胺）是通过两步法通过芳族 - 脂族二酐与各种芳族二胺的溶液缩聚反应制备的。通过2,6-双(4-羟基苯亚甲基)环己酮与氯化偏苯三酸酐反应合成了新型二酐单体2-氧代环己烷-1,3-双[4,4'-双(偏苯三酸)苄基]二酐. 所得二酐的化学结构通过傅里叶变换红外光谱、1 H NMR 和13C NMR光谱。该系列的聚（酯酰亚胺）表现出 3.45-10.09% 的吸水能力。起始温度对应于样品中首次检测到的热失重，范围为 367 至 441 °C。除了来自二酐单体的脂环族部分之外，二胺结构中存在的其他脂族链段也有助于提高所得聚（酯酰亚胺）的光学性能，在 684 nm 处的透射率高于 80%。© 2021 工业化学学会。
更新日期：2021-08-15
中文翻译：
用于光电应用的基于聚（酯酰亚胺）材料的柔性薄膜
一系列含有脂环族部分的高性能聚（酯酰亚胺）是通过两步法通过芳族 - 脂族二酐与各种芳族二胺的溶液缩聚反应制备的。通过2,6-双(4-羟基苯亚甲基)环己酮与氯化偏苯三酸酐反应合成了新型二酐单体2-氧代环己烷-1,3-双[4,4'-双(偏苯三酸)苄基]二酐. 所得二酐的化学结构通过傅里叶变换红外光谱、1 H NMR 和13C NMR光谱。该系列的聚（酯酰亚胺）表现出 3.45-10.09% 的吸水能力。起始温度对应于样品中首次检测到的热失重，范围为 367 至 441 °C。除了来自二酐单体的脂环族部分之外，二胺结构中存在的其他脂族链段也有助于提高所得聚（酯酰亚胺）的光学性能，在 684 nm 处的透射率高于 80%。© 2021 工业化学学会。
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