非溶剂致相分离3D打印/复印成型技术研究

doi:10.19491/j.issn.1001-9278.2020.12.001

中国塑料 ›› 2020, Vol. 34 ›› Issue (12): 1-7.DOI: 10.19491/j.issn.1001-9278.2020.12.001

• 材料与性能 • 下一篇

非溶剂致相分离3D打印/复印成型技术研究

马昊鹏¹^,², 高丽洁¹^,², 焦志伟¹^,², 马具彪¹^,², 杨卫民¹^,²()

^1.北京化工大学有机无机复合材料国家重点实验室，北京 100029
^2.北京化工大学机电工程学院，北京 100029

收稿日期:2020-05-27 出版日期:2020-12-26 发布日期:2020-12-26
基金资助:
国家重点研发计划项目(2016YFB0302000);2018年度珠海市产业核心和关键技术攻关方向项目(ZH01084702180085HJL)

Research on Non⁃solvent Induced Phase Separation Technology for 3D Printing/Copying Forming

MA Haopeng¹^,²,GAO Lijie¹^,², JIAO Zhiwei¹^,², MA Jubiao¹^,²,YANG Weimin¹^,²()

#br#

^1.State Key Laboratory of Organic?Inorganic Composites，Beijing University of Chemical Technology，Beijing 100029，China
^2.College of Mechanical and Electrical Engineering，Beijing University of Chemical Technology，Beijing 100029，China

Received:2020-05-27 Online:2020-12-26 Published:2020-12-26
Contact: YANG Weimin E-mail:yangwm@mail.buct.edu.cn

摘要/Abstract

摘要：

初步探究了一种无需将材料熔融的成型技术即非溶剂致相分离三维（3D）打印/复印成型技术的可行性，并成功制备了聚丙烯腈三维立体制品。通过实验获得了先利用非溶剂致相分离法使制品固化并初步脱除溶剂再利用加热蒸发的方法彻底脱除溶剂的制品成型工艺路径。通过研究发现了减少环境溶液含水量有助于提高成型制品内部孔洞尺寸的均匀性，使生成的孔洞尺寸较小并使孔洞分布均匀。此外，探究了该技术在高性能陶瓷复合材料制品、导电制品以及催化剂载体的制备方面应用的可能，进一步开拓了该成型技术的应用前景。

关键词: 非溶剂致相分离, 3D打印/复印, 微孔结构, 溶剂脱除

Abstract:

This article investigated the feasibility of a non-solvent induced phase separation technology for 3D printing/copying forming. With this technology， the three-dimensional polyacrylonitrile products were successfully prepared without any molten materials. Based on the experimental results， the forming process route was determined as follows： the non-solvent induced phase separation method was first used to solidify the product and remove the solvent initially； the resultant product was then heated and evaporated to completely remove the internal solvent. The reduction of water content of the environmental solution could help to improve the size uniformity of the inner hole in the resulting product， reducing the hole size and leading to a more uniform hole distribution. In addition， we investigated the application possibility of this technology for the preparation of high-performance ceramic composites， conductive products and catalyst carriers as well as the application prospects of this forming technology.

Key words: non?solvent induced phase separation, 3D printing and copying, microporous structure, solvent removal

中图分类号:

TQ320.66

马昊鹏, 高丽洁, 焦志伟, 马具彪, 杨卫民. 非溶剂致相分离3D打印/复印成型技术研究[J]. 中国塑料, 2020, 34(12): 1-7.

MA Haopeng, GAO Lijie, JIAO Zhiwei, MA Jubiao, YANG Weimin∗. Research on Non⁃solvent Induced Phase Separation Technology for 3D Printing/Copying Forming[J]. China Plastics, 2020, 34(12): 1-7.

图/表 10

图1 非溶剂致相分离3D打印/复印技术生产的制品

Fig.1 Products produced by non?solvent induced phase separation 3D printing/copying technology

图2 制品形貌随非溶剂致相分离过程时长的变化

Fig.2 Morphology of the product changes with the time of the non?solvent?induced phase separation process

图3 制品质量随随非溶剂致相分离过程时长的变化

Fig.3 Change of product weight with time of non?solvent induced phase separation process

图4 不同样品的TG曲线

Fig.4 TG curves of different samples

图5 PAN体系脱除溶剂过程中制品的形貌

Fig.5 Morphology of the product during the solvent removal process of the PAN system

图6 PAN/碳化硅体系脱除溶剂过程中制品的形貌

Fig.6 Morphology of the PAN/silicon carbide system during solvent removal

图7 使用不同比例的非溶剂进行非溶剂致相分离后的制品形貌

Fig.7 Product morphology after non?solvent induced phase separation using different proportions of non?solvents

图8 使用不同比例的非溶剂进行非溶剂致相分离后的制品的抗拉伸性能

Fig.8 The tensile properties of products after using different proportions of non?solvents for non?solvent induced phase separation

图9 非溶剂致相分离3D打印/复印技术制造的陶瓷制品

Fig.9 Ceramic products manufactured by non?solvent induced phase separation 3D printing/copying technology

图10 非溶剂致相分离3D打印/复印技术制造的聚合物基导电制品

Fig.10 Polymer?based conductive products manufactured by non?solvent?induced phase separation 3D printing/copying technology

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非溶剂致相分离3D打印/复印成型技术研究

Research on Non⁃solvent Induced Phase Separation Technology for 3D Printing/Copying Forming

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