STUDY ON CRITICAL SOLUTION PHENOMENA AND CAHN TRANSITION
临界解现象与CAHN转变研究
基本信息
- 批准号:04453010
- 负责人:
- 金额:$ 3.58万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (B)
- 财政年份:1992
- 资助国家:日本
- 起止时间:1992 至 1993
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
1 The phase behavior of ternary two-phase system composed of water, nonane, and ethylene glycol monobutyl ether(C4E1) was investigated thermodynamically. The compositions of the water and nonane phases were measured precisely as a function of total concentration of C4E1 and temperature under atmospheric pressure by gas liquid chromatography. A new kind of criterion of ideality for the two-phase equilibrium was proposed and examined by using the composition data obtained. The composition region of ideal dilute solution behavior was determined for the two phases as a function of temperature. It was suggested that the formation of aggregate of C4E1 in the water phase is enhanced at lower temperatures and that in the nonane phase does at higher temperatures, respectively. Furthermore the entropy and enthapy of transfer of ether molecules from the water to the nonane phase were evaluated not by calorimetry but by applying the thermodynamics to the composition data. The transfer was found to … More accompany the positive entropy and be endothermic.2 The interfacial tension of the ternary two-phase system of water -nonane- ethylene glycol monobutyl ether(C4E1) was measured as a function of the total mole fraction of C4E1 at siz temperatures under atmospheric pressure. To analyze the experimental results thermodynamically, it was shown that the value should be plotted not against the total mole fraction of C4E1 but against the equilibrium one in the nonane and water phases. It was found that the entropy of adsorption of C4E1 from the nonane phase decreases and that from the water phase increases from the entropy of the pure nonane/water interface formation with increasing the surface density of C4E1. The adsorption was discussed on the basis of the thermodynamic quantities of adsorption and transfer of C4E1 molecules.3 The dihedral angle of the lens of long chain alcohol at air/water interface was measured by using video microscopy. The phase transition of the interfacial film of alcohol, wetting-nonwetting transition, and the intruding of water phase into air/alcohol interface was observed. Furthermore the dihedral angles were examined by the values of interfacial tension. Less
1通过热力学研究了由水,nonane和乙二醇单丁基(C4E1)组成的三阶段系统的相行为。精确测量水和非烷相的组成是通过气体色谱法在大气压力下的总浓度C4E1和温度的函数。提出了一种针对两相等效物的理想性的新型标准,并使用获得的组合数据进行了检查。确定了两个阶段的理想稀释溶液行为的组成区域作为温度的函数。有人提出,在较低温度下,水相中C4E1的聚集体的形成分别在较高的温度下会增强。此外,不是通过量热法对乙醚分子从水到非烷相的转移的熵和渗入进行评估,而是通过将热力学应用于组成数据进行评估。发现转移的含量更大,是吸热性的。2水 - 硝基 - 东烷 - 乙烯 - 乙二醇单丁基醚(C4E1)的界面两相系统的界面张力是在大气压下在锡兹温度下C4E1的总分子分数测量的。为了在热力学上分析实验结果,结果表明,应绘制该值不针对C4E1的总分子分数,而应针对非平衡和水相中的平衡。发现从非烷相中增加C4E1的熵降低,并且从水相开始,随着纯净的非烷/水界面形成的熵增加,随着C4E1的表面密度的增加。根据使用视频显微镜测量了在空气/水界面上长链酒精镜头的二面角度的添加和转移的热力学量,讨论了增加的吸附。3使用视频显微镜测量。观察到观察到酒精界面膜的相变,润湿透明过渡以及水相中的空气/酒精界面的侵入。此外,通过界面张力值检查了二面角。较少的
项目成果
期刊论文数量(12)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Makoto Aratomo, Fujiharu Nagoya, Takanori Takiue, and Norihiro Ikeda: "Thermodynamic study o adsorption of the ternary two-phase system of water-nonane-ethylene glycol monobutyl ether" J.Colloid Interface Sci.(IN PRESS). (1994)
Makoto Aratomo、Fujiharu Nagoya、Takanori Takiue 和 Norihiro Ikeda:“水-壬烷-乙二醇单丁醚三元两相体系吸附的热力学研究”J.Colloid Interface Sci.(印刷中)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
荒殿 誠: "Thermodynamic study on adsorption of the ternary two-phase system of water-nonane-ethylene glycol monobutyl ether" Journal of Colloid and Interface Science. (in press). (1994)
Makoto Aradono:“水-壬烷-乙二醇单丁醚三元两相体系吸附的热力学研究”胶体与界面科学杂志(1994 年出版)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Makoto Aratomo, Fujiharu Nagoya, Takanori Takiue, and Norihiro Ikeda: "Thermodynamic consideration on phase behavior of the ternary two-phase system of water, nonane, and ethylene glycol monobutyl ether" J.Pnys. Chem.91. 13820-13823 (1993)
Makoto Aratomo、Fujiharu Nagoya、Takanori Takiue 和 Norihiro Ikeda:“水、壬烷和乙二醇单丁醚三元两相体系的相行为的热力学考虑”J.Pnys。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
荒殿 誠: "Thermodynamic study on adsorption of the ternary two-phase system of waternonane-ethylene glycol monobutyl ether" Journal of Colloid and Interface Science. (in press). (1994)
Makoto Aradono:“水壬烷-乙二醇单丁醚三元两相体系吸附的热力学研究”胶体与界面科学杂志(1994 年出版)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
荒殿 誠: "Thermodynamic consideration on phase behavior of the ternary two-phase system of water,nonane,and ethylene glycol monobutyl ether" Journal of Physical Chemistry. 91. 13820-13823 (1993)
Makoto Aradono:“水、壬烷和乙二醇单丁基醚三元两相体系的相行为的热力学考虑”物理化学杂志 91. 13820-13823 (1993)。
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ARATONO Makoto其他文献
ARATONO Makoto的其他文献
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{{ truncateString('ARATONO Makoto', 18)}}的其他基金
Meso・and microscopic IeveI studies on mechanisms and dynamics of phasetransitionofadsorbedfiImsatsoftinterfaces
吸附薄膜软界面相变机理和动力学的细观、微观水平研究
- 批准号:
21350078 - 财政年份:2009
- 资助金额:
$ 3.58万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Spontaneous Vesicle Formation and Spontaneous Vesicle-Micelle Transition
自发囊泡形成和自发囊泡-胶束转变
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10440210 - 财政年份:1998
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$ 3.58万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
STUDY ON MEASUREMENTS OF CONTACT ANGLES AND LINE TENSION BY DIFFERENTIAL INTERFEROMETRY
微分干涉法测量接触角和线张力的研究
- 批准号:
06453057 - 财政年份:1994
- 资助金额:
$ 3.58万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
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