涂料固化过程中起皱的出现
Emergence of wrinkles during the curing of coatings
摘要：
当在已经涂覆的基材上施加第二层油漆时，油漆层上经常出现皱纹。当第一层从第二层吸收有机溶剂时，发生褶皱形成。我们建立了模拟双层涂层过程的实验，重点是油漆层和有机溶剂之间的相互作用。在实验中，我们研究了皱纹的特征波长和皱纹出现的时间。我们提出了一个简单的模型来解释（1）由于有机溶剂的吸收和（2）层从基板的分层的层的溶胀引起的屈曲。模型的线性稳定性分析提供了波长和特征时间尺度之间的关系，该关系与从我们的实验中获得的数据相当吻合。我们的研究结果表明，由于膨胀和分层的层的压缩都是形成皱纹的重要因素。
英文摘要：
Wrinkles often emerge on a paint layer when a second coat of paint is applied on an already-coated substrate. Wrinkle formation occurs when the first layer absorbs organic solvent from the second layer. We set up experiments to mimic the double-coating process, focusing on the interaction between a paint layer and an organic solvent. In the experiments, we investigated the characteristic wavelengths of the wrinkles and the time of wrinkle emergence. We propose a simple model to explain (1) the buckling induced by swelling of the layer due to absorption of the organic solvent and (2) delamination of the layer from the substrate. A linear stability analysis of the model provides a relationship between the wavelengths and the characteristic timescale that agrees reasonably well with the data obtained from our experiments. Our results indicate that compression of the layer due to swelling and delamination are both important factors in the formation of wrinkles.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
