SLA printing of shape memory bio-based composites consisting of soybean oil and cellulose nanocrystals

被引：0
作者：
Chu, Beizhi [1 ]
Cui, Xin [1 ]
Dong, Xing [1 ]
Li, Yu [1 ]
Liu, Xueqing [2 ,3 ,4 ]
Guo, Zhan [1 ]
Xia, Yumin [4 ]
Huang, Shuohan [4 ]
Zhang, Jianming [1 ]
Chen, Yuwei [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Key Lab Rubber Plast, Shandong Prov Key Lab Rubber Plast, Minist Educ, Qingdao 266042, Peoples R China
[2] Jianghan Univ, Key Lab Optoelect Chem Mat & Devices, Minist Educ, Wuhan, Peoples R China
[3] Jianghan Univ, Flexible Display Mat & Technol Coinnovat Ctr Hubei, Wuhan, Peoples R China
[4] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai, Peoples R China
来源：
VIRTUAL AND PHYSICAL PROTOTYPING | 2024年 / 19卷 / 01期
基金：
中国国家自然科学基金;
关键词：
3D Printing; bio-based composites; cellulose nanocrystals; epoxy soybean oil; POLYMERS; ACID;
D O I：
10.1080/17452759.2024.2401933
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Improving the sustainability and processability of shape memory composites is key to expanding their applications. This work introduces a novel bio-based shape memory composite resin with renewable cellulose nanocrystals, suitable for stereolithography (SLA) printing. We prepared epoxy soybean oil-based composites by incorporating Itaconic acid monomethyl ester (IAME) modified cellulose nanocrystals (CNCs-IAME) into IAME modified epoxy soybean oil (IESO). The CNCs-IAME/IESO composite resin, with a viscosity of 1.01-1.22 Pa center dot s, is ideal for SLA printing. Adding 0.75 wt% CNCs-IAME particles enhances mechanical properties, yielding a tensile strength of 19.54 MPa and elongation at a break of 34.03%. Demonstrated applications include flexible supports and temperature-responsive sensors. This innovative composite offers excellent sustainability and SLA-printability, showing great potential for new bio-based heat-activated shape memory materials.
引用
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页数：10
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