| 氧乙烯数对辛基苯酚聚氧乙烯醚表面扩张粘弹性质的影响 |
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| 引用本文： | 张春荣,李振泉,罗澜,张路,宋新旺,曹绪龙,赵濉,俞稼镛. 氧乙烯数对辛基苯酚聚氧乙烯醚表面扩张粘弹性质的影响[J]. 物理化学学报, 2007, 23(2): 247-252. DOI: 10.3866/PKU.WHXB20070221 |
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| 作者姓名： | 张春荣 李振泉 罗澜 张路 宋新旺 曹绪龙 赵濉 俞稼镛 |
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| 作者单位： | Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, P. R. China;Graduate School of the Chinese Academy of Sciences, Beijing 100049, P. R. China;Geological Research Institute of Shengli Oilfield Co． Ltd, SINOPEC, Dongying 257015, Shandong Province, P. R. China |
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| 摘 要： | 研究了非离子表面活性剂辛基苯酚聚氧乙烯醚TX-100、TX-102和TX-165(平均氧乙烯数依次为10、12、16)水溶液的表面扩张粘弹性质, 考察了氧乙烯数变化对表面吸附膜特性的影响. 研究结果表明, 随着氧乙烯数的增大, 表面膜表现出较大的模量和较强的弹性. 这是由于较长氧乙烯链在表面上的“平躺”产生较慢的弛豫过程造成的.
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| 关 键 词： | 辛基苯酚聚氧乙烯醚 表面 扩张模量 相角 界面张力弛豫 |
| 收稿时间： | 2006-07-06 |
| 修稿时间： | 2006-07-16 |
Effect of Oxyethylene Numbers on Surface Dilational Properties of Octylphenol Polyoxyethylene Ethers |
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| ZHANG Chun-Rong,LI Zhen-Quan,LUO Lan,ZHANG Lu,SONG Xin-Wang,CAO Xu-Long,ZHAO Sui,YU Jia-Yong. Effect of Oxyethylene Numbers on Surface Dilational Properties of Octylphenol Polyoxyethylene Ethers[J]. Acta Physico-Chimica Sinica, 2007, 23(2): 247-252. DOI: 10.3866/PKU.WHXB20070221 |
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| Authors: | ZHANG Chun-Rong LI Zhen-Quan LUO Lan ZHANG Lu SONG Xin-Wang CAO Xu-Long ZHAO Sui YU Jia-Yong |
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| Affiliation: | Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, P. R. China;Graduate School of the Chinese Academy of Sciences, Beijing 100049, P. R. China;Geological Research Institute of Shengli Oilfield Co． Ltd, SINOPEC, Dongying 257015, Shandong Province, P. R. China |
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| Abstract: | The surface dilational viscoelasticities of octylphenol polyoxyethylene ethers solutions, TX-100(10 oxyethylene (EO), TX-102(12EO) and TX-165(16EO), were investigated by Langmuir trough method. The influences of polyoxyethylene numbers on surface dilational properties were expounded. It showed that the increase of polyoxyethylene numbers resulted in the increase of surface dilational modulus and elasticity, which may be attributed to the slower relaxation processes caused by the "flat-configuration" of the longer polyoxyethylene chain at the surface. |
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| Keywords: | Octylphenol polyoxyethylene ether Surface Dilational modulus Phase angle Interfacial tension relaxation |
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