Formability of Printing Ink for Melt Electrowriting

doi:10.1007/s12204-021-2313-5

J Shanghai Jiaotong Univ Sci ›› 2021, Vol. 26 ›› Issue (3): 411-415.doi: 10.1007/s12204-021-2313-5

Formability of Printing Ink for Melt Electrowriting

HAN Yu‡ (韩煜), SUN Binbin‡ (孙彬彬), JIANG Wenbo(姜闻博), DAI Kerong (戴尅戎)

(Department of Orthopaedic Surgery; Shanghai Key Laboratory of Orthopaedic Implants; Clinical and Translational
Research Center for 3D Printing Technology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of
Medicine, Shanghai 200011, China)

出版日期:2021-06-28 发布日期:2021-06-02
通讯作者: JIANG Wenbo (姜闻博), DAI Kerong(戴尅戎) E-mail:jwb 3dprinting@163.com, krdai@163.com
基金资助:
the National Key R&D Program of
China (Nos. 2018YFB1105600 and 2018YFA0703000),
the National Natural Science Foundation of China
(No. 81802131), and the China Postdoctoral Science
Foundation (No. 2019T120347)

Formability of Printing Ink for Melt Electrowriting

HAN Yu‡ (韩煜), SUN Binbin‡ (孙彬彬), JIANG Wenbo(姜闻博), DAI Kerong (戴尅戎)

(Department of Orthopaedic Surgery; Shanghai Key Laboratory of Orthopaedic Implants; Clinical and Translational
Research Center for 3D Printing Technology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of
Medicine, Shanghai 200011, China)

Online:2021-06-28 Published:2021-06-02
Contact: JIANG Wenbo (姜闻博), DAI Kerong(戴尅戎) E-mail:jwb 3dprinting@163.com, krdai@163.com
Supported by:
the National Key R&D Program of
China (Nos. 2018YFB1105600 and 2018YFA0703000),
the National Natural Science Foundation of China
(No. 81802131), and the China Postdoctoral Science
Foundation (No. 2019T120347)

摘要/Abstract

摘要： 3D printing, also called additive manufacturing, is being used increasingly in tissue engineering. However, the printing accuracy remains limited, making it difficult to prepare a tissue engineering scaffold with high precision and high porosity. Melt electrowriting (MEW) technology is based on extrusion printing, in which an extruded material is pulled by the action of an electric field, thereby reducing the fiber diameter and improving the printing accuracy. However, MEW technology imposes high requirements on the material properties, and therefore, few printing materials are currently available for use in this process. The present study investigates the characteristics and molding conditions of polycaprolactone, a commonly used printing material, as well as other materials such as poly(lactic-co-glycolic acid), poly(ethylene glycol) diacrylate/polyethylene oxide, gelatin methacrylate, and hyaluronic acid methacrylate for MEW applications, and develops new and suitable inks for MEW that will provide more and better choices for constructing a bioactive scaffold in future tissue engineering research. Experiments suggest that a printing ink should have low electrical conductivity, suitable viscosity, and high curing speed for realizing successful printing.

Abstract: 3D printing, also called additive manufacturing, is being used increasingly in tissue engineering. However, the printing accuracy remains limited, making it difficult to prepare a tissue engineering scaffold with high precision and high porosity. Melt electrowriting (MEW) technology is based on extrusion printing, in which an extruded material is pulled by the action of an electric field, thereby reducing the fiber diameter and improving the printing accuracy. However, MEW technology imposes high requirements on the material properties, and therefore, few printing materials are currently available for use in this process. The present study investigates the characteristics and molding conditions of polycaprolactone, a commonly used printing material, as well as other materials such as poly(lactic-co-glycolic acid), poly(ethylene glycol) diacrylate/polyethylene oxide, gelatin methacrylate, and hyaluronic acid methacrylate for MEW applications, and develops new and suitable inks for MEW that will provide more and better choices for constructing a bioactive scaffold in future tissue engineering research. Experiments suggest that a printing ink should have low electrical conductivity, suitable viscosity, and high curing speed for realizing successful printing.

中图分类号:

R 318.08

HAN Yu(韩煜), SUN Binbin (孙彬彬), JIANG Wenbo (姜闻博), DAI Kerong(戴尅戎). Formability of Printing Ink for Melt Electrowriting[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(3): 411-415.

HAN Yu (韩煜), SUN Binbin (孙彬彬), JIANG Wenbo(姜闻博), DAI Kerong (戴尅戎). Formability of Printing Ink for Melt Electrowriting[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(3): 411-415.

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Formability of Printing Ink for Melt Electrowriting

Formability of Printing Ink for Melt Electrowriting

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