Composite Materials from Renewable Resources as Sustainable Corrosion Protection Coatings

Epoxidized linseed oil (ELO) and kraft lignin (LnK) were used to obtain new sustainable composites as corrosion protection layers through a double-curing procedure involving UV radiation and thermal curing to ensure homogeneous distribution of the filler. The crosslinked structures were confirmed by...

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Autores principales:	Raluca Sanda Komartin, Brindusa Balanuca, Madalina Ioana Necolau, Anca Cojocaru, Raluca Stan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	epoxidized linseed oil lignin composites anti-corrosion coating Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/acd99f013760495a979cfe797bef8fd8
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id	oai:doaj.org-article:acd99f013760495a979cfe797bef8fd8
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spelling	oai:doaj.org-article:acd99f013760495a979cfe797bef8fd82021-11-11T18:47:34ZComposite Materials from Renewable Resources as Sustainable Corrosion Protection Coatings10.3390/polym132137922073-4360https://doaj.org/article/acd99f013760495a979cfe797bef8fd82021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/21/3792https://doaj.org/toc/2073-4360Epoxidized linseed oil (ELO) and kraft lignin (LnK) were used to obtain new sustainable composites as corrosion protection layers through a double-curing procedure involving UV radiation and thermal curing to ensure homogeneous distribution of the filler. The crosslinked structures were confirmed by Fourier-transform infrared spectrometry (FTIR), by comparative monitorization of the absorption band at 825 cm<sup>−1</sup>, attributed to the stretching vibration of epoxy rings. Thermal degradation behavior under N2 gas indicates that the higher LnK content, the better thermal stability of the composites (over 30 °C of Td10% for ELO + 15% LnK), while for the experiment under air-oxidant atmosphere, the lower LnK content (5%) conducted to the more thermo-stable material. Dynamic-mechanic behavior and water affinity of the new materials were also investigated. The increase of the Tg values with the increase of the LnK content (20 °C for the composite with 15% LnK) denote the reinforcement effect of the LnK, while the surface and bulk water affinity were not dramatically affected. All the obtained composites were tested as carbon steel corrosion protection coatings, resulting in significant increase of corrosion inhibition efficiency (IE) of 140–380%, highlighting the great potential of the bio-based ELO-LnK composites as a future perspective for industrial application.Raluca Sanda KomartinBrindusa BalanucaMadalina Ioana NecolauAnca CojocaruRaluca StanMDPI AGarticleepoxidized linseed oillignincompositesanti-corrosion coatingOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3792, p 3792 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	epoxidized linseed oil lignin composites anti-corrosion coating Organic chemistry QD241-441
spellingShingle	epoxidized linseed oil lignin composites anti-corrosion coating Organic chemistry QD241-441 Raluca Sanda Komartin Brindusa Balanuca Madalina Ioana Necolau Anca Cojocaru Raluca Stan Composite Materials from Renewable Resources as Sustainable Corrosion Protection Coatings
description	Epoxidized linseed oil (ELO) and kraft lignin (LnK) were used to obtain new sustainable composites as corrosion protection layers through a double-curing procedure involving UV radiation and thermal curing to ensure homogeneous distribution of the filler. The crosslinked structures were confirmed by Fourier-transform infrared spectrometry (FTIR), by comparative monitorization of the absorption band at 825 cm<sup>−1</sup>, attributed to the stretching vibration of epoxy rings. Thermal degradation behavior under N2 gas indicates that the higher LnK content, the better thermal stability of the composites (over 30 °C of Td10% for ELO + 15% LnK), while for the experiment under air-oxidant atmosphere, the lower LnK content (5%) conducted to the more thermo-stable material. Dynamic-mechanic behavior and water affinity of the new materials were also investigated. The increase of the Tg values with the increase of the LnK content (20 °C for the composite with 15% LnK) denote the reinforcement effect of the LnK, while the surface and bulk water affinity were not dramatically affected. All the obtained composites were tested as carbon steel corrosion protection coatings, resulting in significant increase of corrosion inhibition efficiency (IE) of 140–380%, highlighting the great potential of the bio-based ELO-LnK composites as a future perspective for industrial application.
format	article
author	Raluca Sanda Komartin Brindusa Balanuca Madalina Ioana Necolau Anca Cojocaru Raluca Stan
author_facet	Raluca Sanda Komartin Brindusa Balanuca Madalina Ioana Necolau Anca Cojocaru Raluca Stan
author_sort	Raluca Sanda Komartin
title	Composite Materials from Renewable Resources as Sustainable Corrosion Protection Coatings
title_short	Composite Materials from Renewable Resources as Sustainable Corrosion Protection Coatings
title_full	Composite Materials from Renewable Resources as Sustainable Corrosion Protection Coatings
title_fullStr	Composite Materials from Renewable Resources as Sustainable Corrosion Protection Coatings
title_full_unstemmed	Composite Materials from Renewable Resources as Sustainable Corrosion Protection Coatings
title_sort	composite materials from renewable resources as sustainable corrosion protection coatings
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/acd99f013760495a979cfe797bef8fd8
work_keys_str_mv	AT ralucasandakomartin compositematerialsfromrenewableresourcesassustainablecorrosionprotectioncoatings AT brindusabalanuca compositematerialsfromrenewableresourcesassustainablecorrosionprotectioncoatings AT madalinaioananecolau compositematerialsfromrenewableresourcesassustainablecorrosionprotectioncoatings AT ancacojocaru compositematerialsfromrenewableresourcesassustainablecorrosionprotectioncoatings AT ralucastan compositematerialsfromrenewableresourcesassustainablecorrosionprotectioncoatings
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Composite Materials from Renewable Resources as Sustainable Corrosion Protection Coatings

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