自由基/阳离子混杂型3D打印光敏树脂的合成及性能研究
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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.
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.
引文
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[2]Murphy S V,Atala A.3D bio-printing of tissues and organs[J].Nature Biotechnology,2014,32(8):773-785.
[3]Mannoor M S,Jiang Z,James T,et al.3D printed bionic ears[J].Nano Letters,2013,13(6):2 634-2 639.
[4]Hull Charles W.Apparatus for production of three-dimensional objects by stereolithography:US,4575330[P].1986-03-11.
[5]Hull Charles W.Method for production of three-dimensional objects by stereolithography:US,4929402[P].1990-05-29.
[6]张旭东.混杂型引发体系光敏树脂的研究[J].山东化工,2018,47(17):13-15.
[7]吴丽珍,傅兵,邓昌云,等.一种3D打印光敏树脂的研制及性能[J].塑料科技,2017,45(6):54-58.
[8]简凯,杨金梁,聂俊.自由基型光引发剂的研究进展[J].涂料技术及文摘,2016(4):41-53.
[9]付文,刘安华,李建雄,等.快速光固化用阳离子光引发剂研究进展[J].热固性树脂,2012,27(5):69-74.
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[12]简凯,李东兵,胡春青,等.适用于LED光固化体系的光引发剂的研究进展[J].涂料工业,2016(10):75-82.
[13]刘丹丹,王欣,刘甜,等.快速成型光固化树脂用光引发剂的种类与应用[J].精细化工与化学,2014,29(1):47-50.