Convectional, sedimentation and drying dissipative patterns of colloidal crystals of poly(methyl methacrylate) spheres on a watch glass
Convectional, sedimentation and drying dissipative patterns of colloidal crystals of poly(methyl methacrylate) spheres on a watch glass
复制标题
表玻璃上聚甲基丙烯酸甲酯球胶体晶体的对流、沉降和干燥耗散模式
DOI：
10.1007/s00396-008-1898-7
复制
发表时间：
2008
影响因子：
2.4
通讯作者：
T. Okubo
中科院分区：
文献类型：
--
作者：
T. Okubo
直接观察对流耗散模式在室温下是成功的盖玻片在干燥过程中的胶体晶体的聚（甲基丙烯酸甲酯）胶体球。辐状线的对流图案的形成过程中观察到的球体的大小和球体浓度的函数。在悬浮液干燥过程中，灿烂的彩虹色发生了美丽的变化。观察干燥膜的宏观和微观干燥模式。特别是在低球形浓度下观察到多个宽环状图案。水的蒸发伴随着水的对流和胶体球的形成对耗散结构的形成起了重要作用。
Direct observation of the convectional dissipative patterns at room temperature was successful on a cover glass during the course of dryness of colloidal crystals of poly(methyl methacrylate) colloidal spheres. Formation processes of the convectional patterns of spoke-like lines were observed as a function of sphere size and also sphere concentration. During dryness of the suspensions, the brilliant iridescent colors changed beautifully. Macroscopic and microscopic drying patterns of the dried film were observed. Multiple broad ring-like patterns were observed especially at low sphere concentrations. The water evaporation accompanied with the convectional flow of water and the colloidal spheres played an important role for the dissipative structure formation.