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Article

Rubber Seed Oil-Based UV-Curable Polyurethane Acrylate Resins for Digital Light Processing (DLP) 3D Printing

by
Yun Hu
1,2,
Guoqiang Zhu
1,2,
Jinshuai Zhang
1,2,
Jia Huang
1,2,
Xixi Yu
1,2,
Qianqian Shang
1,2,
Rongrong An
3,
Chengguo Liu
1,2,*,
Lihong Hu
1,2 and
Yonghong Zhou
1,2
1
Key Lab of Biomass Energy and Material, Jiangsu Province, Key Lab of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, National Engineering Lab for Biomass Chemical Utilization, Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, China
2
Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
3
Smart Health Big Data Analysis and Location Services Engineering Lab of Jiangsu Province, Nanjing 210023, China
*
Author to whom correspondence should be addressed.
Molecules 2021, 26(18), 5455; https://doi.org/10.3390/molecules26185455
Submission received: 4 August 2021 / Revised: 27 August 2021 / Accepted: 30 August 2021 / Published: 8 September 2021
(This article belongs to the Special Issue Functional Biomass Derived Materials)
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Abstract

Novel UV-curable polyurethane acrylate (PUA) resins were developed from rubber seed oil (RSO). Firstly, hydroxylated rubber seed oil (HRSO) was prepared via an alcoholysis reaction of RSO with glycerol, and then HRSO was reacted with isophorone diisocyanate (IPDI) and hydroxyethyl acrylate (HEA) to produce the RSO-based PUA (RSO-PUA) oligomer. FT-IR and 1H NMR spectra collectively revealed that the obtained RSO-PUA was successfully synthesized, and the calculated C=C functionality of oligomer was 2.27 per fatty acid. Subsequently, a series of UV-curable resins were prepared and their ultimate properties, as well as UV-curing kinetics, were investigated. Notably, the UV-cured materials with 40% trimethylolpropane triacrylate (TMPTA) displayed a tensile strength of 11.7 MPa, an adhesion of 2 grade, a pencil hardness of 3H, a flexibility of 2 mm, and a glass transition temperature up to 109.4 °C. Finally, the optimal resin was used for digital light processing (DLP) 3D printing. The critical exposure energy of RSO-PUA (15.20 mJ/cm2) was lower than a commercial resin. In general, this work offered a simple method to prepare woody plant oil-based high-performance PUA resins that could be applied in the 3D printing industry.
Keywords: rubber seed oil; polyurethane acrylates; UV-curable resins; high-performance; 3D printing rubber seed oil; polyurethane acrylates; UV-curable resins; high-performance; 3D printing

Share and Cite

MDPI and ACS Style

Hu, Y.; Zhu, G.; Zhang, J.; Huang, J.; Yu, X.; Shang, Q.; An, R.; Liu, C.; Hu, L.; Zhou, Y. Rubber Seed Oil-Based UV-Curable Polyurethane Acrylate Resins for Digital Light Processing (DLP) 3D Printing. Molecules 2021, 26, 5455. https://doi.org/10.3390/molecules26185455

AMA Style

Hu Y, Zhu G, Zhang J, Huang J, Yu X, Shang Q, An R, Liu C, Hu L, Zhou Y. Rubber Seed Oil-Based UV-Curable Polyurethane Acrylate Resins for Digital Light Processing (DLP) 3D Printing. Molecules. 2021; 26(18):5455. https://doi.org/10.3390/molecules26185455

Chicago/Turabian Style

Hu, Yun, Guoqiang Zhu, Jinshuai Zhang, Jia Huang, Xixi Yu, Qianqian Shang, Rongrong An, Chengguo Liu, Lihong Hu, and Yonghong Zhou. 2021. "Rubber Seed Oil-Based UV-Curable Polyurethane Acrylate Resins for Digital Light Processing (DLP) 3D Printing" Molecules 26, no. 18: 5455. https://doi.org/10.3390/molecules26185455

APA Style

Hu, Y., Zhu, G., Zhang, J., Huang, J., Yu, X., Shang, Q., An, R., Liu, C., Hu, L., & Zhou, Y. (2021). Rubber Seed Oil-Based UV-Curable Polyurethane Acrylate Resins for Digital Light Processing (DLP) 3D Printing. Molecules, 26(18), 5455. https://doi.org/10.3390/molecules26185455

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