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首页> 外文期刊>Advanced Functional Materials >Preparation of self-organized mesoscale polymer patterns on a solid substrate: Continuous pattern formation from a receding meniscus
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Preparation of self-organized mesoscale polymer patterns on a solid substrate: Continuous pattern formation from a receding meniscus

机译：在固体基质上制备自组织的中尺度聚合物图案：从后退的弯月面连续形成图案

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摘要

Regular polymer patterns are formed from casting a dilute polymer solution on a solid substrate. Dissipative structures, e.g., convection patterns, fingering instabilities, and so on, are formed in the evaporation process of casting polymer films. Controlled production and manufacturing of patterned polymer films can be achieved when the evaporating solution edge, especially the meniscus region on the casting substrate, is formed under controlled casting conditions. In this report, we describe a computer-controlled apparatus which has two precisely manipulated sliding glass plates. A narrow, thin liquid film of polymer solution with a receding meniscus is continuously supplied from a small gap between two glass plates (one sliding and the other stationary), and a patterned polymer film is subsequently formed on the stationary substrate from the evaporating solution edge. Several types of polymer patterns from various polymers are reproducibly prepared by changing preparation conditions such as sliding speed and polymer concentration.
机译：通过将稀聚合物溶液浇铸在固体基材上形成规则的聚合物图案。在流延聚合物膜的蒸发过程中形成诸如对流型式，指状不稳定性等的耗散结构。当在受控的流延条件下形成蒸发溶液边缘，尤其是流延基材上的弯液面区域时，可以实现图案化的聚合物膜的受控生产和制造。在此报告中，我们描述了一种计算机控制的设备，该设备具有两个精确操纵的滑动玻璃板。从两个玻璃板（一个滑动而另一个固定）之间的小间隙连续提供弯月面缩小的窄而窄的聚合物溶液液膜，随后在固定基板上从蒸发溶液边缘形成图案化的聚合物膜。 。通过改变制备条件，例如滑动速度和聚合物浓度，可重复地从各种聚合物制备几种类型的聚合物图案。

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