出版日期：2014-05-01 00:00:00

著者：Chang, Chao-Ching; Oyang, Tai-Yueh; Chen, Yu-Chen; Hwang, Feng-His; Cheng, Liao-Ping

單位：淡江大學化學工程與材料工程學系

出版者：New York: Springer New York LLC

著錄名稱、卷期、頁數：Journal of Coatings Technology and Research 11(3), pp.381-386

摘要：Colloidal silica nanoparticles synthesized from tetraethoxysiliane (TEOS) via a sol-gel process were surface-modified first by 3-(trimethoxysilyl)propyl methacrylate (MSMA), and then by trimethylethoxysilane (TMES). The former agent acts both as a coupling agent and as a C=C provider, whereas the latter agent is used to prevent particle aggregation and to increase hydrophobicity of the coating. The modified silica particles were UV-cured together with the monomer, 2-hydroxyethyl methacrylate (2-HEMA), and the crosslinking agent, dipentaethritol hexaacrylate (DPHA), to form hard coatings on plastic substrates. Both differential scanning calorimetric (DSC) and thermal gravimetric (TG) analyses of the hybrid materials indicated enhanced thermal stability with respect to the neat HEMA-DPHA copolymer. Furthermore, due to the incorporation of TMES, hydrophobicity of the hybrid coating increased considerably with increasing modified-silica content. In the extreme case, an anti-abrasive hard coating (7H on PMMA) with a water contact angle of 99o has been obtained at the silica content of 15%.

關鍵字：collodial silica; hard coatings; UV-curing; plastic substrate; hydrophobic

語言：en_US

ISSN：1547-0091

期刊性質：國外

收錄於：SCI

通訊作者：Cheng, Liao-Ping

審稿制度：是

國別：USA

出版型式：電子版