磺酸盐表面活性剂与疏水缔合聚合物作用的热力学
Interactional Thermodynamics of Sulfonate Surfactants and Hydrophobically Associating Water-Soluble Polymers
查看参考文献9篇
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文摘
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采取物理涂敷的方式将疏水缔合聚合物(HAWP)直接涂敷到硅胶表面制备了HAWP涂敷硅胶固定相。对该固定相的元素分析结果表明HAWP被成功的涂敷到了硅胶表面。分别用蒸馏水、不同矿化度的试液作流动相,测定了不同碳数的单链苯磺酸盐、萘磺酸盐和双链苯磺酸盐在该固定相上的色谱保留参数,并对不同种类磺酸盐类表面活性剂和固载疏水缔合聚合物间的相互作用进行了热力学研究。结果表明,在蒸馏水溶液中,疏水缔合聚合物处于舒展状态,与磺酸盐表面活性剂之间的相互作用主要表现为疏水效应和位阻效应的竞争;在盐水溶液中,疏水缔合聚合物处于收缩状态,与磺酸盐表面活性剂之间的相互作用主要表现为疏水效应,且盐水的矿化度越高,HAWP收缩越严重,与磺酸盐之间的疏水效应也就越小。 |
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其他语种文摘
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A new HPLC stationary phase was prepared by directly physical coating hydrophobically associating water-soluble polymers (HAWP) on the surface of silica. Elements analysis of the stationary phase showed that HAWP was successfully coated onto the surface of silica. The retention parameters of single-chain alkylbenzene sulfonate, alkylnaphthalene sulfonate and double-chain alkylbenzene sulfonate with different carbon number on this stationary phase were investigated in the mobile phases of water and simulation formation water of different mineralization, respectively. The thermodynamics of the interaction between sulfonates surfactants and HAWP were investigated by HPLC. The result indicated that the HAWP was spread in distilled water, so the interaction between HAWP and sulfonates was mainly effected by the competition of hydrophobic effect and steric effect; while the HAWP was in the state of contraction in the simulation formation water, so the interaction between HAWP and sulfonates was mainly effected by hydrophobic effect, and the higher the mineralization, the severer the contraction of the polymers, the smaller the hydrophobic effect. |
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来源
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油田化学
,2013,30(2):226-230,239 【核心库】
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关键词
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疏水缔合聚合物
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磺酸盐表面活性剂
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高效液相色谱
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固定相
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热力学
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地址
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1.
中国科学院兰州化学物理研究所, 中国科学院西北特色植物资源化学重点实验室, 甘肃, 兰州, 730000
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中国石化胜利油田分公司地质科学研究院, 山东, 东营, 257015
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-4092 |
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学科
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石油、天然气工业 |
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基金
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国家科技重大专项“驱油剂分离分析及其与油藏环境相互作用研究”
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文献收藏号
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CSCD:4879240
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