Long-term Study of Cu/SiO2 Microspheres as Antimicrobial Additives in Paints

Cu/SiO2 microspheres were prepared with the sol-gel process by adding 3-(glycidyloxypropyl)trimethoxysilane (GLYMO), using tetraethoxysilane (TEOS) as a silica precursor. Sol-gel formation with acid catalysts and copper acetate monohydrate was used in combination with a spray dryer, to obtain Cu/Si...

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Main Authors: Kanita Boonruang, Panus Sundarapura, Wanwipa Siriwatwechakul
Language:English
Published: Science Faculty of Chiang Mai University 2019
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Online Access:http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=10142
http://cmuir.cmu.ac.th/jspui/handle/6653943832/66026
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Institution: Chiang Mai University
Language: English
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spelling th-cmuir.6653943832-660262019-08-21T09:18:20Z Long-term Study of Cu/SiO2 Microspheres as Antimicrobial Additives in Paints Kanita Boonruang Panus Sundarapura Wanwipa Siriwatwechakul copper silica microspheres antimicrobial particles paint additives long-term biocides Cu/SiO2 microspheres were prepared with the sol-gel process by adding 3-(glycidyloxypropyl)trimethoxysilane (GLYMO), using tetraethoxysilane (TEOS) as a silica precursor. Sol-gel formation with acid catalysts and copper acetate monohydrate was used in combination with a spray dryer, to obtain Cu/SiO2 microspheres. SEM-EDS showed the surface morphology, the particle size, and the shape of the Cu/SiO2 microspheres. The long-term effects of Cu/SiO2 microspheres against microorganisms in paint were determined using the fungus (P. funiculosum), gram-negative bacteria (E. coli), and gram-positive bacteria (S. aureus). The addition of GLYMO increased the stability of antimicrobial properties by lengthening the biocidal effect up to 12 months with 85% inhibition, in comparison with the commercial antimicrobial paint, which showed only 40% inhibition in the same time period. 2019-08-21T09:18:19Z 2019-08-21T09:18:19Z 2019 Chiang Mai Journal of Science 46, 3 (May 2019), 523 - 536 0125-2526 http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=10142 http://cmuir.cmu.ac.th/jspui/handle/6653943832/66026 Eng Science Faculty of Chiang Mai University
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
language English
topic copper
silica microspheres
antimicrobial particles
paint additives
long-term biocides
spellingShingle copper
silica microspheres
antimicrobial particles
paint additives
long-term biocides
Kanita Boonruang
Panus Sundarapura
Wanwipa Siriwatwechakul
Long-term Study of Cu/SiO2 Microspheres as Antimicrobial Additives in Paints
description Cu/SiO2 microspheres were prepared with the sol-gel process by adding 3-(glycidyloxypropyl)trimethoxysilane (GLYMO), using tetraethoxysilane (TEOS) as a silica precursor. Sol-gel formation with acid catalysts and copper acetate monohydrate was used in combination with a spray dryer, to obtain Cu/SiO2 microspheres. SEM-EDS showed the surface morphology, the particle size, and the shape of the Cu/SiO2 microspheres. The long-term effects of Cu/SiO2 microspheres against microorganisms in paint were determined using the fungus (P. funiculosum), gram-negative bacteria (E. coli), and gram-positive bacteria (S. aureus). The addition of GLYMO increased the stability of antimicrobial properties by lengthening the biocidal effect up to 12 months with 85% inhibition, in comparison with the commercial antimicrobial paint, which showed only 40% inhibition in the same time period.
author Kanita Boonruang
Panus Sundarapura
Wanwipa Siriwatwechakul
author_facet Kanita Boonruang
Panus Sundarapura
Wanwipa Siriwatwechakul
author_sort Kanita Boonruang
title Long-term Study of Cu/SiO2 Microspheres as Antimicrobial Additives in Paints
title_short Long-term Study of Cu/SiO2 Microspheres as Antimicrobial Additives in Paints
title_full Long-term Study of Cu/SiO2 Microspheres as Antimicrobial Additives in Paints
title_fullStr Long-term Study of Cu/SiO2 Microspheres as Antimicrobial Additives in Paints
title_full_unstemmed Long-term Study of Cu/SiO2 Microspheres as Antimicrobial Additives in Paints
title_sort long-term study of cu/sio2 microspheres as antimicrobial additives in paints
publisher Science Faculty of Chiang Mai University
publishDate 2019
url http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=10142
http://cmuir.cmu.ac.th/jspui/handle/6653943832/66026
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