文献类型：期刊文献

英文题名：Recyclable and Reprintable Biobased Photopolymers for Digital Light Processing 3d Printing

作者：Zhu, Guoqiang[1,2] Zhang, Jinshuai[1,2] Huang, Jia[1,2] Qiu, Yuhao[1,2] Liu, Meiting[1,2] Yu, Jinni[1,2] Liu, Chengguo[1] Shang, Qianqian[1,2] Hu, Yun[1,2] Hu, Lihong[1,2] Zhou, Yonghong[1,2]

第一作者：Zhu, Guoqiang

机构：[1] National Engineering Research Center of Low-Carbon and Efficient Utilization of Forestry Biomass, Key Lab of Biomass Energy and Material of Jiangsu Province, Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing, 210042, China; [2] Co-Innovation Center of Efficient Processing and Utilization of Forest Resources of Jiangsu Province, Nanjing, 210037, China

年份：2022

外文期刊名：SSRN

收录：EI(收录号：20220180727)

语种：英文

外文关键词：3D printers - Cryptography - Metabolism - Recycling - Resins - Shrinkage - Tensile strength

摘要：In this work, we report a novel recyclable and reprintable castor oil (CO)-based photopolymer for digital light processing (DLP) printing by taking the advantage of the dissociation of hindered urea bonds (HUBs). Remarkably, the recycling process of CO-based materials was very green and efficient (90 o C for 4 h or 100 o C for 2 h, without any catalysts or solvents), and important properties like color, viscosity, volumetric shrinkage, tensile strength, T g , polymerization rate, and penetration depth of the recycled resins were almost the same as the original resin. Furthermore, recyclable and reprintable sacrificial molds and thermochromic materials were achieved by using the optimal biobased resin, which can be used in complicated model casting, information encryption, and anti-counterfeiting areas. In particular, nondestructive recycling of thermochromic microcapsules from printed objects was also achieved. ? 2022, The Authors. All rights reserved.