Chen Lei, He Yongchang, Dai Lu, Zhang Wang, Wang Hao, Liu Peng
College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China.
Engineering Product Development, Singapore University of Technology and Design, Singapore 487372, Singapore.
Polymers (Basel). 2024 Dec 11;16(24):3464. doi: 10.3390/polym16243464.
This work introduces an ultraviolet (UV)-curable elastomer through the co-polymerization of aliphatic polyurethane acrylate and hydroxypropyl acrylate via UV irradiation. The UV-curable elastomer presents superior mechanical properties (elongation at a break of 2992%) and high transparency (94.8% at 550 nm in the visible light region). A robust hydrogel-elastomer stretchable sensor is fabricated by coating an ionic hydrogel on the surface of an elastomer, which enables real-time monitoring of human motion. In addition, the UV-curable elastomer can be used for 3D printing, as demonstrated by complex lattice structures using a digital light processing 3D printer.
这项工作通过紫外线（UV）照射使脂肪族聚氨酯丙烯酸酯和羟丙基丙烯酸酯共聚，引入了一种可紫外线固化的弹性体。该可紫外线固化弹性体具有优异的机械性能（断裂伸长率达2992%）和高透明度（在可见光区域550nm处为94.8%）。通过在弹性体表面涂覆离子水凝胶制备了一种坚固的水凝胶-弹性体可拉伸传感器，能够实时监测人体运动。此外，如使用数字光处理3D打印机制作复杂晶格结构所示，该可紫外线固化弹性体可用于3D打印。
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