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Coloration and Fire Retardancy of Transparent Wood Composites by Metal Ions
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology. KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Centres, Wallenberg Wood Science Center.ORCID iD: 0000-0002-0185-1224
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0003-3595-5264
Politecn Torino, Dipartimento Sci Applicata & Tecnol, I-15121 Alessandria, Italy..ORCID iD: 0000-0001-6472-1382
Politecn Torino, Dipartimento Sci Applicata & Tecnol, I-15121 Alessandria, Italy..ORCID iD: 0000-0003-4067-503X
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2023 (English)In: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 15, no 50, p. 58850-58860Article in journal (Refereed) Published
Abstract [en]

Transparent wood composites (TWs) offer the possibility of unique coloration effects. A colored transparent wood composite (C-TW) with enhanced fire retardancy was impregnated by metal ion solutions, followed by methyl methacrylate (MMA) impregnation and polymerization. Bleached birch wood with a preserved hierarchical structure acted as a host for metal ions. Cobalt, nickel, copper, and iron metal salts were used. The location and distribution of metal ions in C-TW as well as the mechanical performance, optical properties, and fire retardancy were investigated. The C-TW coloration is tunable by controlling the metal ion species and concentration. The metal ions reduced heat release rates and limited the production of smoke during forced combustion tests. The potential for scaled-up production was verified by fabricating samples with a dimension of 180 x 100 x 1 (l x b x h) mm(3).

Place, publisher, year, edition, pages
American Chemical Society (ACS) , 2023. Vol. 15, no 50, p. 58850-58860
Keywords [en]
metal ion, methyl methacrylate (MMA), coloredtransparent wood, fire retardancy, scale-up
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-342301DOI: 10.1021/acsami.3c13585ISI: 001128280600001PubMedID: 38055951Scopus ID: 2-s2.0-85180100479OAI: oai:DiVA.org:kth-342301DiVA, id: diva2:1828207
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QC 20240116

Available from: 2024-01-16 Created: 2024-01-16 Last updated: 2024-01-16Bibliographically approved

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Samanta, PratickSamanta, ArchanaGao, YingMontanari, CelineBerglund, LarsLi, Yuan

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Samanta, PratickSamanta, ArchanaMaddalena, LorenzaCarosio, FedericoGao, YingMontanari, CelineWillhammar, TomBerglund, LarsLi, Yuan
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Fibre- and Polymer TechnologyWallenberg Wood Science CenterApplied PhysicsBiocomposites
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