Dear experts,
I have a reaction that happens in a Petri dish, and as the reaction progress it will generates beautiful patterns as attached herewith. I am wondering is there any way to print the observed patterns by using some polymer materials or any other methodology.
Looking forward to hear from you.
Note: The reaction is oscillatory Belousov-Zhabotinksy reaction.
Extrusion 3D Printing of Polymeric Materials with Advanced Properties
Zhen Jiang, Broden Diggle, Ming Li Tan, Jekaterina Viktorova, Christopher W Bennett, Luke A. Connal,
First published: 05 August 2020
https://doi.org/10.1002/advs.202001379
Abstract 3D printing is a rapidly growing technology that has an enormous potential to impact a wide range of industries such as engineering, art, education, medicine, and aerospace. The flexibility in design provided by this technique offers many opportunities for manufacturing sophisticated 3D devices. The most widely utilized method is an extrusion-based solid-freeform fabrication approach, which is an extremely attractive additive manufacturing technology in both academic and industrial research communities. This method is versatile, with the ability to print a range of dimensions, multimaterial, and multifunctional 3D structures. It is also a very affordable technique in prototyping. However, the lack of variety in printable polymers with advanced material properties becomes the main bottleneck in further development of this technology. Herein, a comprehensive review is provided, focusing on material design strategies to achieve or enhance the 3D printability of a range of polymers including thermoplastics, thermosets, hydrogels, and other polymers by extrusion techniques. Moreover, diverse advanced properties exhibited by such printed polymers, such as mechanical strength, conductance, self-healing, as well as other integrated properties are highlighted. Lastly, the stimuli responsiveness of the 3D printed polymeric materials including shape morphing, degradability, and color changing is also discussed.
Introduction
3D printing, is the conversion of a computer-generated model into a real, physical object. The model is first converted into a series of triangulated coordinates which can be read by a printer and then transformed to a series of sequential layers. A computer-controlled translation stage then moves based on the designed pattern, either in the form of laser optics or an ink based printhead, to fabricate objects one layer at a time. Various 3D printing technologies used in fabricating advanced polymers have been well reviewed and summarized,[23] namely light-based 3D printing[24-26] extrusion-based printing,[27, 28] inkjet 3D printing,[29] and powder bed fusion-based methods.[30] Extrusion-based printing is widely used due to its simple printing mechanism and low-cost of fabrication.
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