Physical properties of ultraviolet-cured films for applications to a protective layer against acids and organic solvents
- 18 October 2021
- journal article
- research article
- Published by Taylor & Francis Ltd in Molecular Crystals and Liquid Crystals
- Vol. 734 (1), 25-34
- https://doi.org/10.1080/15421406.2021.1972211
Abstract
For applications to a protective layer of a glass surface against a HF penetration, composition of UV-curable pastes was optimized by adjusting both the mixing ratio of oligomers and the content of the cross-linker. By use of the optimized paste consisting of tetrahydrofurfuryl acrylate as an acrylate monomer, di(trimethylolpropane) tetraacrylate as an acrylate cross-linker, mixed oligomer of bisphenol A glycerolate diacrylate and aliphatic urethane diacrylate, and a photoinitiator, we could fabricate a cured film with a high acid resistance, a high surface hardness and a high impact strength. In addition, the swelling ratio, the cross-linking density, and the average molecular weight between cross-linking points in the cured films were quantified. From the swelling tests, we found that the use of solvents such as toluene, chloroform, ethyl acetate and cyclohexanone, in which the films become highly swelled, should be avoided.Keywords
Funding Information
- Ministry of Education, Science and Technology
- Human Resources Program in Energy Technology of the Korea Institute of Energy Technology Evaluation and Planning
- Ministry of Trade, Industry & Energy, Republic of Korea (20194010201760)
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