Investigation of the influence of surfactant on the degree of supercooling (coexisting system of solid–liquid and gas–liquid interfaces)
Investigation of the influence of surfactant on the degree of supercooling (coexisting system of solid–liquid and gas–liquid interfaces)
复制标题
表面活性剂对过冷度影响的研究（固液和气液界面共存体系）
DOI：
10.1016/j.ijrefrig.2013.02.007
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发表时间：
2013
期刊：
影响因子：
--
通讯作者：
Keisuke Hayashi
中科院分区：
文献类型：
--
作者：
Koji Matsumoto;Yoshito Igarashi;D. Shirai;Keisuke Hayashi
在制冰过程中，可以避免导致制冰系统COP下降的过冷现象。因此，控制过冷溶解将为冰形成系统提供许多益处。为了控制过冷溶解，我们重点研究了亲水性表面活性剂的特性。当亲水性表面活性剂加入水中时，疏水（亲脂）表面活性剂分子很可能吸附在气-液和固-液界面上。吸附被认为是影响过冷溶解。在本研究中，在固-液和气-液界面共存系统中，纯水和少量亲水性表面活性剂的混合物在试管中冷却，澄清表面活性剂对混合物的过冷度的影响，并澄清在临界胶束浓度以上和以下的混合物的过冷度的趋势。
In the ice formation process, supercooling, which results in COP degradation of the ice formation system, is avoidable. Thus, controlling supercooling dissolution would provide numerous benefits to the ice formation system. In order to control supercooling dissolution, we focus on the characteristics of hydrophilic surfactants. When hydrophilic surfactant is added to water, it is a great possibility that hydrophobic (lipophilic) surfactant molecules are adsorbed at gas–liquid and solid–liquid interfaces. Adsorption is assumed to affect supercooling dissolution. In the present study, in a coexisting system of solid–liquid and gas–liquid interfaces, a mixture of pure water and a small amount of hydrophilic surfactant is cooled in a test tube, the influence of the surfactant on the degree of supercooling of the mixture is clarified, and the tendencies of the degree of supercooling of the mixture above and below the critical micelle concentration are clarified.