期刊
PROGRESS IN ORGANIC COATINGS
卷 77, 期 11, 页码 1695-1700出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2014.05.013
关键词
UV-curable coating; Photopolymerization; Abrasion resistance; Refractive index; Sulfur
资金
- Hanyang University [HY-201200000001975]
We synthesized UV-curable di-functional sulfur-containing thioacrylate and thiourethane acrylate with high refractive indices. The structures of monomers were confirmed by nuclear magnetic resonance spectroscopy (NMR) and Fourier transform infrared spectroscopy (FT-ER). The formulation of UV-curable coating film was prepared by thioacrylate monomer, thiourethane acrylate monomer, alpha-hydroxy-alpha-methylpropiophenone as the photoinitiator, and bisphenol A epoxy acrylate as the oligomer. The cured coating films were investigated using thermogravimetric analysis (TGA), dynamic mechanical analysis (DMA), Taber abraser tests, transmittance, and refractive index. The value of refractive index for all coating films increased after UV-curing. Transparent, photocurable coating films with high abrasion resistance were prepared. The monomers showed high refractive index. The refractive indices of synthesized monomers (thioacrylate and thiourethane acrylate monomer) are 1.623 and 1.577, respectively. (C) 2014 Elsevier B.V. All rights reserved.
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