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首页> 外文期刊>International Journal of Adhesion & Adhesives >Droplet-patterning of viscous adhesive assisted with microfluidic technique
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Droplet-patterning of viscous adhesive assisted with microfluidic technique

机译：微流体技术辅助粘性粘合剂的液滴图案化

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摘要

In transfer process of viscous adhesive, the initial geometrical shape of droplet has crucial influence on the filling completeness. Herein a droplet-patterning method assisted with microfluidic technique was presented to control the shape of viscous adhesive, in which three kinds of adhesives were selected as samples, spanning two orders of viscosity magnitude from 83 mPa s to 7792 mPa s. Microfluidic technique was developed to obtain the anti-adhesive boundaries of original polygon patterns. Considering viscous dissipation, a criterion was established to confirm the droplet-volume limitation of overflowing across anti-adhesive boundary. Moreover, the capability of droplet-patterning was evaluated with the ratio of droplet-pattern to original polygon and the dynamics of patterning was analyzed. Under the conditions of low Reynolds and Weber numbers, the smaller area and more edges of polygon, lower viscosity and more non-polar groups of adhesive are helpful to improve the patterning capability.
机译：在粘性粘合剂的转移过程中，液滴的初始几何形状对填充完整性的影响至关重要。本文提出了一种助长微流体技术的液滴 - 图案化方法以控制粘性粘合剂的形状，其中选择三种粘合剂作为样品，从83MPa S施加两个粘度幅度为7792MPa s。开发了微流体技术以获得原始多边形图案的抗粘接边界。考虑粘性耗散，建立了标准，以确认跨越抗粘性边界溢流的液滴数量限制。此外，评价液滴 - 图案的能力与原始多边形的液滴图案的比率评价，分析了图案化的动态。在低雷诺和韦伯数的条件下，多边形的较小面积和更多的边缘，较低的粘度和更多的非极性粘合剂粘合剂是有助于改善图案化能力。

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  • 作者

    Xu Zheng; Zhu Ping; Xu Xiaoyu; Zhao Wei; Wang Xiaodong; Liu Junshan; Wang Liding;

  • 作者单位

    Dalian Univ Technol Key Lab Micro Nano Technol &

    Syst Liaoning Prov Dalian 116024 Peoples R China;

    Dalian Univ Technol Key Lab Micro Nano Technol &

    Syst Liaoning Prov Dalian 116024 Peoples R China;

    Dalian Univ Technol Key Lab Micro Nano Technol &

    Syst Liaoning Prov Dalian 116024 Peoples R China;

    Dalian Univ Technol Key Lab Micro Nano Technol &

    Syst Liaoning Prov Dalian 116024 Peoples R China;

    Dalian Univ Technol Key Lab Precis &

    Nontradit Machining Technol Minist Educ Dalian 116085 Peoples R China;

    Dalian Univ Technol Key Lab Precis &

    Nontradit Machining Technol Minist Educ Dalian 116085 Peoples R China;

    Dalian Univ Technol Key Lab Precis &

    Nontradit Machining Technol Minist Educ Dalian 116085 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 胶粘剂工业;
  • 关键词

    Droplet-patterning; Anti-adhesive; Microfluidic technique;

    机译：液滴 - 图案化;防粘剂;微流体技术;

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