Study on Microstructure and Properties of the UV Curing Acrylic Epoxy/SiO2 Nanocomposite Coating

This study is aimed at exploring the effects of SiO2 nanoparticles on the crosslinking and mechanical and thermal properties of UV curing acrylic epoxy coating. The curing polymerization process and thermal and mechanical properties of UV-curable acrylate epoxy system have been evaluated with or wit...

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Autores principales:	Ngoc Linh Nguyen, Thi My Linh Dang, Tuan Anh Nguyen, Hoang Thu Ha, Thien Vuong Nguyen
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Technology (General) T1-995
Acceso en línea:	https://doaj.org/article/582309818f4042a5a3ff345d700d31dd
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spelling	oai:doaj.org-article:582309818f4042a5a3ff345d700d31dd2021-11-08T02:36:03ZStudy on Microstructure and Properties of the UV Curing Acrylic Epoxy/SiO2 Nanocomposite Coating1687-412910.1155/2021/8493201https://doaj.org/article/582309818f4042a5a3ff345d700d31dd2021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/8493201https://doaj.org/toc/1687-4129This study is aimed at exploring the effects of SiO2 nanoparticles on the crosslinking and mechanical and thermal properties of UV curing acrylic epoxy coating. The curing polymerization process and thermal and mechanical properties of UV-curable acrylate epoxy system have been evaluated with or without the presence of SiO2 nanoparticles. To fabricate the UV curing acrylic epoxy/SiO2 nanocomposite coating, nano-SiO2 particles (0.5–5 wt.% by weight of resin) were added in the photo-curable system using sonication for 3 h. Various techniques for characterization have been used, such as FESEM (field emission scanning electron microscope), FTIR (Fourier-transform infrared spectroscopy), TGA (thermogravimetry analysis), gel fraction, and swelling degree analyses. FESEM data indicated that at the content of 2.5 wt.%, nanosilica was homogeneously dispersed in the coating procedure. However, once added 5 wt.%, large aggregation portions were found inside the coating matrices. Surprisingly, nano-SiO2 could play dual roles, as both UV absorbers and nanoreinforcers, in this nanocomposite coating. Besides, data from FTIR, gel fraction, and swelling degree analyses confirmed the role of SiO2 nanoparticles as UV absorbers that reduced the conversion performance of acrylate double bonds, thus increased slightly the swelling degree of coating. In addition, incorporation of SiO2 nanoparticles (as nanofillers, at content of 2.5 wt.%) in the polymer matrix enhanced significantly the abrasion resistance and thermal stability of the coating, by 60% (from 98.3 to 158.4 lite/mil) and 9°C (from 348°C to 357°C), respectively.Ngoc Linh NguyenThi My Linh DangTuan Anh NguyenHoang Thu HaThien Vuong NguyenHindawi LimitedarticleTechnology (General)T1-995ENJournal of Nanomaterials, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Technology (General) T1-995
spellingShingle	Technology (General) T1-995 Ngoc Linh Nguyen Thi My Linh Dang Tuan Anh Nguyen Hoang Thu Ha Thien Vuong Nguyen Study on Microstructure and Properties of the UV Curing Acrylic Epoxy/SiO2 Nanocomposite Coating
description	This study is aimed at exploring the effects of SiO2 nanoparticles on the crosslinking and mechanical and thermal properties of UV curing acrylic epoxy coating. The curing polymerization process and thermal and mechanical properties of UV-curable acrylate epoxy system have been evaluated with or without the presence of SiO2 nanoparticles. To fabricate the UV curing acrylic epoxy/SiO2 nanocomposite coating, nano-SiO2 particles (0.5–5 wt.% by weight of resin) were added in the photo-curable system using sonication for 3 h. Various techniques for characterization have been used, such as FESEM (field emission scanning electron microscope), FTIR (Fourier-transform infrared spectroscopy), TGA (thermogravimetry analysis), gel fraction, and swelling degree analyses. FESEM data indicated that at the content of 2.5 wt.%, nanosilica was homogeneously dispersed in the coating procedure. However, once added 5 wt.%, large aggregation portions were found inside the coating matrices. Surprisingly, nano-SiO2 could play dual roles, as both UV absorbers and nanoreinforcers, in this nanocomposite coating. Besides, data from FTIR, gel fraction, and swelling degree analyses confirmed the role of SiO2 nanoparticles as UV absorbers that reduced the conversion performance of acrylate double bonds, thus increased slightly the swelling degree of coating. In addition, incorporation of SiO2 nanoparticles (as nanofillers, at content of 2.5 wt.%) in the polymer matrix enhanced significantly the abrasion resistance and thermal stability of the coating, by 60% (from 98.3 to 158.4 lite/mil) and 9°C (from 348°C to 357°C), respectively.
format	article
author	Ngoc Linh Nguyen Thi My Linh Dang Tuan Anh Nguyen Hoang Thu Ha Thien Vuong Nguyen
author_facet	Ngoc Linh Nguyen Thi My Linh Dang Tuan Anh Nguyen Hoang Thu Ha Thien Vuong Nguyen
author_sort	Ngoc Linh Nguyen
title	Study on Microstructure and Properties of the UV Curing Acrylic Epoxy/SiO2 Nanocomposite Coating
title_short	Study on Microstructure and Properties of the UV Curing Acrylic Epoxy/SiO2 Nanocomposite Coating
title_full	Study on Microstructure and Properties of the UV Curing Acrylic Epoxy/SiO2 Nanocomposite Coating
title_fullStr	Study on Microstructure and Properties of the UV Curing Acrylic Epoxy/SiO2 Nanocomposite Coating
title_full_unstemmed	Study on Microstructure and Properties of the UV Curing Acrylic Epoxy/SiO2 Nanocomposite Coating
title_sort	study on microstructure and properties of the uv curing acrylic epoxy/sio2 nanocomposite coating
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/582309818f4042a5a3ff345d700d31dd
work_keys_str_mv	AT ngoclinhnguyen studyonmicrostructureandpropertiesoftheuvcuringacrylicepoxysio2nanocompositecoating AT thimylinhdang studyonmicrostructureandpropertiesoftheuvcuringacrylicepoxysio2nanocompositecoating AT tuananhnguyen studyonmicrostructureandpropertiesoftheuvcuringacrylicepoxysio2nanocompositecoating AT hoangthuha studyonmicrostructureandpropertiesoftheuvcuringacrylicepoxysio2nanocompositecoating AT thienvuongnguyen studyonmicrostructureandpropertiesoftheuvcuringacrylicepoxysio2nanocompositecoating
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Study on Microstructure and Properties of the UV Curing Acrylic Epoxy/SiO2 Nanocomposite Coating

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