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通过电荷控制物质增强聚合物的光电粉末沉积

Enhancing Photoelectric Powder Deposition of Polymers by Charge Control Substances.

作者信息

Düsenberg Björn, Kopp Sebastian-Paul, Tischer Florentin, Schrüfer Stefan, Roth Stephan, Schmidt Jochen, Schmidt Michael, Schubert Dirk W, Peukert Wolfgang, Bück Andreas

机构信息

Institute of Particle Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstraße 4, D-91058 Erlangen, Germany.

Collaborative Research Center 814-Additive Manufacturing, Am Weichselgarten 9, D-91058 Erlangen, Germany.

出版信息

Polymers (Basel). 2022 Mar 25;14(7):1332. doi: 10.3390/polym14071332.

DOI:10.3390/polym14071332
PMID:35406208
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9002572/
Abstract

Charge control substances (CCS) as additives for polymer powders are investigated to make polymer powders suitable for the electrophotographic powder deposition in powder-based additive manufacturing. The use of CCS unifies the occurring charge of a powder, which is crucial for this novel deposition method. Therefore, commercially available polymer powder is functionalized via dry coating in a shaker mixer with two different CCS and analyzed afterwards. The flowability and the degree of coverage of additives on the surface are used to evaluate the coating process. The thermal properties are analyzed by use of differential scanning calorimetry. Most important, the influence of the CCS on the powder charge is shown by measurements of the electrostatic surface potential at first and the powder deposition itself is performed and analyzed with selected formulations afterwards to show the potential of this method. Finally, tensile strength specimens are produced with the conventional deposition method in order to show the usability of the CCS for current machines.

摘要

研究了作为聚合物粉末添加剂的电荷控制物质（CCS），以使聚合物粉末适用于基于粉末的增材制造中的电子照相粉末沉积。CCS的使用使粉末产生的电荷统一，这对于这种新型沉积方法至关重要。因此，通过在振动混合器中用两种不同的CCS进行干涂覆，对市售聚合物粉末进行功能化处理，然后进行分析。使用添加剂的流动性和表面覆盖度来评估涂覆过程。通过差示扫描量热法分析热性能。最重要的是，首先通过测量静电表面电位来显示CCS对粉末电荷的影响，然后使用选定的配方进行粉末沉积本身并进行分析，以展示该方法的潜力。最后，用传统沉积方法制作拉伸强度试样，以展示CCS在现有机器上的可用性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/d6092fe0f657/polymers-14-01332-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/10ef5b145bee/polymers-14-01332-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/4a98105b5a49/polymers-14-01332-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/3d36af78f0a9/polymers-14-01332-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/922411f1ecd2/polymers-14-01332-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/5654ab498d3b/polymers-14-01332-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/ac3ba0fffcd9/polymers-14-01332-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/6ad638e7ff80/polymers-14-01332-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/32b04340448b/polymers-14-01332-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/1d753bd53810/polymers-14-01332-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/bb1229a6ed8c/polymers-14-01332-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/d6092fe0f657/polymers-14-01332-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/10ef5b145bee/polymers-14-01332-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/4a98105b5a49/polymers-14-01332-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/3d36af78f0a9/polymers-14-01332-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/922411f1ecd2/polymers-14-01332-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/5654ab498d3b/polymers-14-01332-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/ac3ba0fffcd9/polymers-14-01332-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/6ad638e7ff80/polymers-14-01332-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/32b04340448b/polymers-14-01332-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/1d753bd53810/polymers-14-01332-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/bb1229a6ed8c/polymers-14-01332-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4852/9002572/d6092fe0f657/polymers-14-01332-g011.jpg

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