Three-Dimensional Printing of Molecularly Imprinted Polymers by Digital Light Processing for Copper Ion Sequestration.

IF 2.3 4区工程技术 Q3 ENGINEERING, MANUFACTURING

3D Printing and Additive Manufacturing Pub Date : 2024-04-01 Epub Date: 2024-04-16 DOI:10.1089/3dp.2022.0107

Roya Rezanavaz, Miruna Petcu, Marie-Joo Le Guen, Antoine Dubois

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Abstract

Highly structured, molecularly imprinted polymer (MIP) networks for copper(II) ion sequestration have been realized using the additive manufacturing technology. Photopolymerizable formulations with acrylic functional monomers and two different porogens (water and methanol) in different ratios were studied to produce emulsions with 50 vol% of the internal phase. The results of morphological characterization indicate that all MIPs have cauliflower-like multiscale structures that change as a function of the solvent combination and fabrication process. X-ray fluorescence microscopy maps presented a layered structure and homogeneous distribution of copper in the printed MIP. Copper(II) ion adsorption-desorption tests were performed on MIPs prepared using a three-dimensional (3D) printing approach and MIPs prepared by bulk polymerization. Results indicate that the 3D printed MIP is able to absorb copper up to ten times more efficiently than the nonprinted one and the printed MIP with 100% water content has the highest imprint recognition.

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分子印迹聚合物在铜离子螯合中的数字光处理三维打印

利用增材制造技术实现了用于封存铜（II）离子的高结构分子印迹聚合物（MIP）网络。研究了丙烯酸功能单体与两种不同孔隙剂（水和甲醇）以不同比例进行光聚合的配方，以生产内相含量为 50 Vol% 的乳液。形态表征结果表明，所有 MIP 都具有菜花状多尺度结构，这种结构随溶剂组合和制造工艺的变化而变化。X 射线荧光显微镜图显示了铜在印刷 MIP 中的分层结构和均匀分布。对采用三维打印方法制备的 MIP 和采用批量聚合法制备的 MIP 进行了铜（II）离子吸附-解吸测试。结果表明，三维打印 MIP 的吸铜效率是非打印 MIP 的十倍，含水量为 100%的打印 MIP 的印记识别率最高。

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来源期刊

3D Printing and Additive Manufacturing Materials Science-Materials Science (miscellaneous)

CiteScore

6.00

自引率

6.50%

发文量

126

期刊介绍： 3D Printing and Additive Manufacturing is a peer-reviewed journal that provides a forum for world-class research in additive manufacturing and related technologies. The Journal explores emerging challenges and opportunities ranging from new developments of processes and materials, to new simulation and design tools, and informative applications and case studies. Novel applications in new areas, such as medicine, education, bio-printing, food printing, art and architecture, are also encouraged. The Journal addresses the important questions surrounding this powerful and growing field, including issues in policy and law, intellectual property, data standards, safety and liability, environmental impact, social, economic, and humanitarian implications, and emerging business models at the industrial and consumer scales.