Staff View: Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll

Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll

This paper aims to discuss about the benefits of Cu(NO3)(2) applied in coating paint film that consists of plant extract from Cassia Alata. Cu(NO3)(2) has been added to the coating paint film as a colour stabilizer and as an antifungal property by forming a zone of inhibition towards fungal growth....

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Main Authors:	Sulaiman, L., Abidin, Z. H. Z., Yunus, S. A. M., Mazni, N. A., Hadi, A. N., Arof, A. K., Simarani, K.
Format:	Article
Published:	Emerald Group Publishing Ltd 2021
Subjects:	QC Physics
Online Access:	http://eprints.um.edu.my/28623/
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spelling	my.um.eprints.286232022-03-24T04:02:27Z http://eprints.um.edu.my/28623/ Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll Sulaiman, L. Abidin, Z. H. Z. Yunus, S. A. M. Mazni, N. A. Hadi, A. N. Arof, A. K. Simarani, K. QC Physics This paper aims to discuss about the benefits of Cu(NO3)(2) applied in coating paint film that consists of plant extract from Cassia Alata. Cu(NO3)(2) has been added to the coating paint film as a colour stabilizer and as an antifungal property by forming a zone of inhibition towards fungal growth. Design/methodology/approach The coating paint film resin consists of a mixture of poly (methyl methacrylate) (PMMA) and acrylic polyol. The coating paint film's performances were observed in terms of visible optical and physical appearance. Findings When exposed to the fungus Trichoderma Sp., a zone of inhibition of 208 mm(2) was formed around the coating paint film and therefore it gave the coating paint films an antifungal property. The commission internationale de l'eclairage (CIE) Lab* colour coordinate system was used to identify the colour changes in the coating paint film and it was found that the addition of Cu(NO3)(2) to the coating paint film has a better colour stability, as it has a lower standard deviation (STD) value of 6.46 than the pure dye coating paint film of 8.95. The gloss of coating paint film with the addition of Cu(NO3)(2) was found to behave as a more stable gloss based on its smaller STD value at both angles taken at 20 degrees and 60 degrees. Research limitations/implications The Cassia Alata plant has a different amount of antifungal properties based on the location of its growth. Practical implications The coating paint film developed in this study is suitable for indoor applications. Originality/value The plant extract from the Cassia Alata gives the coating paint film an antifungal property. Emerald Group Publishing Ltd 2021 Article PeerReviewed Sulaiman, L. and Abidin, Z. H. Z. and Yunus, S. A. M. and Mazni, N. A. and Hadi, A. N. and Arof, A. K. and Simarani, K. (2021) Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll. Pigment & Resin Technology, 50 (2). pp. 177-182. ISSN 0369-9420, DOI https://doi.org/10.1108/PRT-11-2017-0086 <https://doi.org/10.1108/PRT-11-2017-0086>. 10.1108/PRT-11-2017-0086
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	QC Physics
spellingShingle	QC Physics Sulaiman, L. Abidin, Z. H. Z. Yunus, S. A. M. Mazni, N. A. Hadi, A. N. Arof, A. K. Simarani, K. Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll
description	This paper aims to discuss about the benefits of Cu(NO3)(2) applied in coating paint film that consists of plant extract from Cassia Alata. Cu(NO3)(2) has been added to the coating paint film as a colour stabilizer and as an antifungal property by forming a zone of inhibition towards fungal growth. Design/methodology/approach The coating paint film resin consists of a mixture of poly (methyl methacrylate) (PMMA) and acrylic polyol. The coating paint film's performances were observed in terms of visible optical and physical appearance. Findings When exposed to the fungus Trichoderma Sp., a zone of inhibition of 208 mm(2) was formed around the coating paint film and therefore it gave the coating paint films an antifungal property. The commission internationale de l'eclairage (CIE) Lab* colour coordinate system was used to identify the colour changes in the coating paint film and it was found that the addition of Cu(NO3)(2) to the coating paint film has a better colour stability, as it has a lower standard deviation (STD) value of 6.46 than the pure dye coating paint film of 8.95. The gloss of coating paint film with the addition of Cu(NO3)(2) was found to behave as a more stable gloss based on its smaller STD value at both angles taken at 20 degrees and 60 degrees. Research limitations/implications The Cassia Alata plant has a different amount of antifungal properties based on the location of its growth. Practical implications The coating paint film developed in this study is suitable for indoor applications. Originality/value The plant extract from the Cassia Alata gives the coating paint film an antifungal property.
format	Article
author	Sulaiman, L. Abidin, Z. H. Z. Yunus, S. A. M. Mazni, N. A. Hadi, A. N. Arof, A. K. Simarani, K.
author_facet	Sulaiman, L. Abidin, Z. H. Z. Yunus, S. A. M. Mazni, N. A. Hadi, A. N. Arof, A. K. Simarani, K.
author_sort	Sulaiman, L.
title	Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll
title_short	Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll
title_full	Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll
title_fullStr	Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll
title_full_unstemmed	Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll
title_sort	dual functions of cu(no3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll
publisher	Emerald Group Publishing Ltd
publishDate	2021
url	http://eprints.um.edu.my/28623/
_version_	1735409563987869696
score	13.211869

Dual functions of Cu(NO3)(2) as antifungal and colour stabilizer for coating paint film consisting of chlorophyll

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