Journal
COMPOSITES COMMUNICATIONS
Volume 10, Issue -, Pages 52-56Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2018.04.006
Keywords
Organosolv lignin; epoxy acrylate; UV-cured; dual-cured; coatings
Categories
Funding
- National Natural Science Foundation of China [21404013]
- Science and Technology Development Plan of Jilin Province, China [20160101323JC, 20170101110JC, 20180201075GX]
- Jilin Provincial Development and Reform Commission [2018C041-1]
- Open Research Fund of State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
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Organosolv lignin (OL) was used to synthesize organosolv-lignin-based epoxy acrylate (OLBEA) coatings. The reaction process was determined by epoxy and acid values. OLBEA coatings were prepared by dual (Ultraviolet (UV) and thermal) curing to achieve a deep and complete process. The structures of lignin-based epoxy (OLBE) and OLBEA were characterized by Fourier transform infrared spectroscopy (FTIR). The properties of the dualand UV-cured coatings were then compared by measuring gel content and mechanical properties. Results revealed that the dual-cured films had higher cross-linking degree and better mechanical properties than the UVcured films. The chemical resistance of the dual-cured coatings was also examined. The properties of OLBEA coatings obtained by dual curing were shown to be excellent and promising for wide-ranging applications.
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