| 邻-间-对苯二酚固液平衡测定与关联 |
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| 引用本文： | 魏东炜,李复生,张文想.邻-间-对苯二酚固液平衡测定与关联[J].化学工业与工程,2004,21(3):227-230. |
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| 作者姓名： | 魏东炜 李复生 张文想 |
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| 作者单位： | 天津大学石油化工技术开发中心,天津,300072;北京燕山石油化工股份有限公司树脂应用研究所,北京,102500 |
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| 摘 要： | 采用差示扫描量热法测定了邻苯二酚与间苯二酚、邻苯二酚与对苯二酚、间苯二酚与对苯二酚二元固液平衡数据，同时绘制出相应的简单低共熔型二元相图。低共熔组成和温度为：邻苯二酚(1) 间苯二酚(2)，x1=0.5077，336.3K；邻苯二酚(1) 对苯二酚(3)，x1=0.7879，365.8K；对苯二酚(3) 间苯二酚(2)，x3=0.2305，366.1K。采用Wilson方程关联，标准偏差分别为0.48K，0.48K和0.56K。
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| 关 键 词： | 固液平衡 相图 邻苯二酚 间苯二酚 对苯二酚 差示扫描量热法 |
| 文章编号： | 1004-9533(2004)03-0227-03 |
| 修稿时间： | 2003年5月26日 |
Determination of Solid-Liquid Equilibria Data of Dihydroxyphenols |
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| WEI Dong-wei,LI Fu-sheng,ZHANG Wen-xiang.Determination of Solid-Liquid Equilibria Data of Dihydroxyphenols[J].Chemical Industry and Engineering,2004,21(3):227-230. |
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| Authors: | WEI Dong-wei LI Fu-sheng ZHANG Wen-xiang |
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| Affiliation: | WEI Dong-wei~1,LI Fu-sheng~1,ZHANG Wen-xiang~2 |
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| Abstract: | Solid-liquid equilibrium data for binary mixtures of pyrocatechol with resorcinol,pyrocatechol with hydroquinone and hydroquinone with resorcinol were determined by differential scanning calorimetry and their corresponding eutectic type phase diagrams were presented respectively. The eutectics are x _1=(0.507 7) at T =336.3K in pyrocatechol(1)+resorcinol (2); x _1=(0.787 9), T =365.8K in pyrocatechol(1)+hydroquinone (3); x_3 =(0.230 5), T =366.1K in hydroquinone (3)+resorcinol(2).The data were fitted by Wilson formula with standard deviations 0.48K,0.48K and 0.56K,respectively. |
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| Keywords: | solid-liquid equilibrium phase diagram hydroquinone pyrocatechol resorcinol differential scanning calorimetry |
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