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Effects of in-situ Polymerization on Mechanical Properties of 3D Printing Mortars and Its Mechanism
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Pan FENG1, Zhaolong LIU1, Lijing SHAO1, Wei WANG2, 3, Jinxiang HONG2, 3, Changwen MIAO1, 2
Journal of the Chinese Ceramic Society | 2023, 51(5) : 1093 - 1103
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Journal of the Chinese Ceramic Society | 2023, 51(5): 1093-1103
• Research Articles •
Effects of in-situ Polymerization on Mechanical Properties of 3D Printing Mortars and Its Mechanism
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Pan FENG1, Zhaolong LIU1, Lijing SHAO1, Wei WANG2, 3, Jinxiang HONG2, 3, Changwen MIAO1, 2
Affiliations
  • 1.School of Materials Science and Engineering, Southeast University, Jiangsu Key Laboratory of Construction Materials, Nanjing 211189, China
  • 2.State Key Laboratory of High Performance Civil Engineering Materials, Nanjing 210008, China
  • 3.Jiangsu Sobute New Materials Co., Ltd., Nanjing 211103, China

    • FENG Pan (1988-), female, Ph.D., Professor. E-mail:

About Author:

FENG Pan (1988-), female, Ph.D., Professor. E-mail:

Published: 2023-05-20 doi: 10.14062/j.issn.0454-5648.20220751
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Acrylamide was selected as a monomer to generate polyacrylamide network in 3D printing mortars via in-situ polymerization, and the effect of in-situ polymerization on the mechanical properties of 3D printing mortars was investigated. The influence mechanism was analyzed by Fourier transform infrared spectroscopy, scanning electron microscopy, mercury intrusion porosimetry, and X-ray computed tomography. The results show that the in-situ polymerization of AM can enhance the fluidity of 3D printing mortars, reduce the generation of macroscopic defects, and improve the printing quality. After AM monomers are polymerized, a "rigid-flexible" composite network structure is formed, in which the organic network and the cement hydration products are intertwined. This structure greatly enhances the flexural strength and relative bonding strength of the 3D printed specimen. The 28 d flexural strength and the relative interfacial bonding strength can be increased by 52.4% and 78.1%, respectively.

3D printing mortar  /  in-situ polymerization  /  acrylamide  /  mechanical properties
冯攀, 刘钊龙, 邵丽静, 王伟, 洪锦祥, 缪昌文. 原位聚合对3D打印砂浆力学性能的影响及机理. 硅酸盐学报, 2023 , 51 (5) : 1093 -1103 . DOI: 10.14062/j.issn.0454-5648.20220751
Pan FENG, Zhaolong LIU, Lijing SHAO, Wei WANG, Jinxiang HONG, Changwen MIAO. Effects of in-situ Polymerization on Mechanical Properties of 3D Printing Mortars and Its Mechanism[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (5) : 1093 -1103 . DOI: 10.14062/j.issn.0454-5648.20220751
Appendix
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Year 2023 volume 51 Issue 5
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Article Info
doi: 10.14062/j.issn.0454-5648.20220751
  • Receive Date：2022-09-13
  • Online Date：2026-10-20
  • Published：2023-05-20
Article Data
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History
  • Received：2022-09-13
  • Revised：2022-10-06
Funding
Affiliations
    1.School of Materials Science and Engineering, Southeast University, Jiangsu Key Laboratory of Construction Materials, Nanjing 211189, China
    2.State Key Laboratory of High Performance Civil Engineering Materials, Nanjing 210008, China
    3.Jiangsu Sobute New Materials Co., Ltd., Nanjing 211103, China

Corresponding:

MIAO Changwen (1957-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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