聚合物凝胶表面斑图形成的控制及其三维测量方法
Control of polymer gel surface pattern formation and its three dimensional measurement method
摘要：
我们报道了凝胶化表面斑图形成的可控性。最近，我们发现并研究了一种新型的斑图形成，发生在自由基聚合（凝胶化）过程中。斑图形成是在准二维凝胶化的开顶边界中观察到的。在以前的研究中，我们已经使用二维照片的图像处理来分析模式。然而，实际图案是三维表面变形。因此，我们开发了一个三维测量系统，使用线激光位移传感器和自动X-工作台。利用方向图可控性对系统测量的方向图进行了分析和讨论。特别是，我们专注于使用外部温度场的图案控制的可能性。其结果是，我们揭示了全球结构可以控制，而特征长度尺度（波长和振幅）是不可控制的。
英文摘要：
We report the controllability of a gelation surface pattern formation. Recently, we have found and studied a novel kind of pattern formation that occurs during a radical polymerization (gelation) process. The pattern formation is observed in an open top boundary of quasi two dimensional gelation. In previous studies, we have used two dimensional photo based image processing to analyze the patterns. However, the actual pattern is a three dimensional surface deformation. Thus we develop a three dimensional measurement system using a line laser displacement sensor and an automatic x-stage. Patterns measured by the system are analyzed and discussed by means of pattern controllability. In particular, we focus on the possibility of the pattern control using an external temperature field. As a result, we reveal that the global structure can be controlled, whereas the characteristic length scales (wavelength and amplitude) are not controllable.
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