自由基/阳离子混杂型3D打印光敏树脂的合成及性能研究  

Synthesis and Properties of Free Radical/Cationic Hybrid 3D Printing Photosensitive Resin

作　　者：单俊杨 杨子俊 郑文旭[1,2] 杨卓鸿 董先明[1,2] 周武艺 Shan Junyang;Yang zijun;Zhen Wenxu;Yang Zhuohong;Dong Xianming;Zhou wuyi(Research Center for Biomass 3D Printing Materials,South China Agricultural University,Guangzhou 510642,China;College of Materials and Energy,South China Agricultural University,Guangzhou 510642,China)

机构地区：[1]华南农业大学生物质3D打印材料研究中心,广东广州510642 [2]华南农业大学材料与能源学院,广东广州510642

出　　处：《塑料科技》2019年第8期33-37,共5页Plastics Science and Technology

基　　金：广州经济技术开发区国际科技合作项目(2017GH09)

摘　　要：以丙烯酸类光敏树脂为基体,加入不同比例的环氧稀释单体3,4-环氧环己基甲基-3,4-环氧环己基甲酸酯,研制出可在405 nm光照下固化的3D打印光敏树脂。系统研究了3,4-环氧环己基甲基-3,4-环氧环己基甲酸酯含量对光敏树脂力学性能、黏度、疏水性和体积收缩率等的影响。结果表明:当环氧单体3,4-环氧环己基甲基-3,4-环氧环己基甲酸酯填加量为20%时,合成的光敏树脂材料力学性能最高,拉伸强度达到32 MPa,弯曲强度达到50 MPa。Using acrylic photosensitive resin as matrix and adding epoxy diluent monomer 3,4-epoxy cyclohexyl methyl-3,4-epoxy cyclohexyl formate in different proportions,a 3D printed photosensitive resin curable under 405 nm light was prepared.The effects of 3,4-epoxy cyclohexyl methyl-3,4-epoxy cyclohexyl formate content on the mechanical properties,viscosity,hydrophobicity and volume shrinkage of photosensitive resins were studied.The results show that the mechanical properties of epoxy monomer 3,4-epoxy cyclohexyl methyl-3,4-epoxy cyclohexyl formate are the best when the content of epoxy monomer 3,4-cyclohexyl methyl-3,4-epoxy cyclohexyl formate is 20%.The tensile strength is up to 32 MPa and the flexural strength is up to 50 MPa.

关 键 词：光固化3D打印 混杂光敏树脂 3 4-环氧环己基甲基-3 4-环氧环己基甲酸酯 

分 类 号：TQ324.8[化学工程—合成树脂塑料工业] TB381[一般工业技术—材料科学与工程]