电场驱动μ-3D打印蜡基微流控模具

doi:10.3969/j.issn.1004-132X.2020.15.012

中国机械工程 ›› 2020, Vol. 31 ›› Issue (15): 1846-1851.DOI: 10.3969/j.issn.1004-132X.2020.15.012

电场驱动μ-3D打印蜡基微流控模具

彭子龙^1,2, 韦子龙^1,2, 刘明杨^1,2, 李一楠², 兰红波^1,2

1. 青岛理工大学山东省增材制造工程技术研究中心, 青岛, 266520;
2. 青岛理工大学机械与汽车工程学院, 青岛, 266520

收稿日期:2019-07-03 出版日期:2020-08-10 发布日期:2020-08-26
作者简介:彭子龙,男,1979年生,博士,副教授。研究方向为3D打印及生物医学应用、微细特种加工工艺与装备、软体机器人技术。E-mail:pengzilong@qut.edu.cn。
基金资助:
国家自然科学基金资助项目(51875300，51775288)；山东省重点研发计划资助项目(2018GGX103036，2018GGX103022)；山东省自然科学基金资助项目(ZR2017MEE012, ZR2018MEE017)

Electric-field-driven μ-3D Printing Wax-based Molds for Microfluidic

PENG Zilong^1,2, WEI Zilong^1,2, LIU Mingyang^1,2, LI Yinan², LAN Hongbo^1,2

1. Shandong Engineering Research Center for Additive Manufacturing, Qingdao University of Technology, Qingdao, Shandong， 266520;
2. School of Mechanical & Automotive Engineering, Qingdao University of Technology, Qingdao, Shandong， 266520

Received:2019-07-03 Online:2020-08-10 Published:2020-08-26

摘要/Abstract

摘要： 提出了一种基于电场驱动微尺度3D打印制备蜡基材料微结构的工艺。通过脉冲直流产生自激发静电场驱动皮升级体积石蜡微滴喷射沉积成形；研究了打印参数如气压、电场强度、脉冲频率及占空比等因素对于蜡模打印的影响；优化实验参数，制作了可用于PDMS转印的石蜡微模板，模板线宽为61.25 μm，高度为44.13 μm；结合微转印技术和等离子改性技术制作了微米级微流道芯片样件，并通过实验验证了其具备微流控芯片的基本特征。

关键词: 电场驱动, &mu, -3D打印, 微流控, PDMS模具

Abstract: A new process for preparing wax-based microstructures using electric-field-driven μ-3D printing was proposed. The self-excited electrostatic field provided by pulsed direct currents driven the wax droplets deposition with the volume of picoliter degrees. The effects of printing parameters such as gas pressure, electrical field strength, pulse frequency and duty cycle on wax printing were investigated. A wax mold with 61.25 μm in line width of and 44.13 μm in height was fabricated, by optimized experimental parameters which may be used for PDMS transfer processes. Combining the micro-transfer technique and plasma modification, a microfluidic chip sample with the feature size of tens of microns was achieved. And the basic characteristics of microfluidic chip were verified by experiments.

Key words: electrical field driven, μ-3D printing, microfluidic, PDMS mold

中图分类号:

TH164

彭子龙, 韦子龙, 刘明杨, 李一楠, 兰红波. 电场驱动μ-3D打印蜡基微流控模具[J]. 中国机械工程, 2020, 31(15): 1846-1851.

PENG Zilong, WEI Zilong, LIU Mingyang, LI Yinan, LAN Hongbo. Electric-field-driven μ-3D Printing Wax-based Molds for Microfluidic[J]. China Mechanical Engineering, 2020, 31(15): 1846-1851.

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http://www.cmemo.org.cn/CN/Y2020/V31/I15/1846

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电场驱动μ-3D打印蜡基微流控模具

Electric-field-driven μ-3D Printing Wax-based Molds for Microfluidic

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