Continuous Optical 3D Printing of Green Aliphatic Polyurethanes
Continuous Optical 3D Printing of Green Aliphatic Polyurethanes
复制标题
DOI：
10.1021/acsami.6b12500
复制
发表时间：
2017-01-11
影响因子：
9.5
通讯作者：
Chen, Shaochen
中科院分区：
文献类型：
--
作者：
Pyo, Sang-Hyun;Wang, Pengrui;Chen, Shaochen
采用绿色化学合成方法，以甲基丙烯酸酯功能化的六元环碳酸酯和生物胺为原料，合成了光敏二聚体。开发了一种连续光学3D打印方法，用于在几秒钟内创建用户定义的梯度刚度和光滑的复杂表面微观结构。绿色化学衍生的聚氨酯（gPU）显示出高的光学透明度，我们证明了通过控制曝光时间和选择各种胺化合物来调整印刷结构沿着梯度的材料刚度的能力。使用我们的gPU打印具有光滑曲线和复杂轮廓的高分辨率3D仿生结构。在使用直接接种在打印结构上的C3 H 10 T1/2细胞的细胞相容性测试期间证明了高细胞活力（超过95%）。
Photosensitive diurethanes were prepared from a green chemistry synthesis pathway based on methacrylate-functionalized six-membered cyclic carbonate and biogenic amines. A continuous optical 3D printing method for the diurethanes was developed to create user-defined gradient stiffness and smooth complex surface microstructures in seconds. The green chemistry-derived polyurethane (gPU) showed high optical transparency, and we demonstrate the ability to tune the material stiffness of the printed structure along a gradient by controlling the exposure time and selecting various amine compounds. High-resolution 3D biomimetic structures with smooth curves and complex Contours were printed using our gPU. High cell viability (over 95%) was demonstrated during cytocompatibility testing using C3H 10T1/2 cells seeded directly on the printed structures.