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Method of staining wood and method of determination of phenolic compounds content in wood
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SYSNO ASEP 0481624 Document Type P - Patent R&D Document Type The record was not marked in the RIV Title Method of staining wood and method of determination of phenolic compounds content in wood Author(s) Palcer, J. (CZ)
Pařil, P. (CZ)
Baar, J. (CZ)
Foret, František (UIACH-O) RID, ORCID
Křenková, Jana (UIACH-O) RID, ORCIDNumber of authors 5 Year of issue 2019 Publication form Online - E Possible third party use of the result A - Pro využití výsledku jiným subjektem je vždy nutné nabytí licence Royalty requested A - Poskytovatel licence požaduje licenční poplatek Patent no. or utility model no. or industrial design no. EP3710211 Date of the patent acceptance 23.09.2020 Name of the patent owner Ústav analytické chemie AV ČR, v. v. i., Mendelova univerzita v Brně Code of the issuer name NL001 - Netherlands Patent Office Rijswijk Current use A - Pouze udělený (dosud nevyužívaný) patent nebo patent využívaný jeho vlastníkem Territorial Protection MEU - národní patent v členském státě EU Language eng - English Keywords phenolic compounds ; colour change ; UV resistance ; tannin-containing wood ; iron oxide nanoparticles Subject RIV CB - Analytical Chemistry, Separation OECD category Analytical chemistry Institutional support UIACH-O - RVO:68081715 Annotation The present invention provides a method of staining wood using iron nanoparticles, characterized in that it comprises the following steps: - iron oxide nanoparticles are prepared by precipitation of iron(II) and/or iron(III) ions in basic medium, wherein the base is a non-ammonium base, to form iron oxide nanoparticles having a Z-average particle size in the range of 1 to 500 nm, as measured by dynamic light scattering method (DLS), and - wood, preferably tannin-containing wood, is impregnated with a composition containing said iron oxide nanoparticles in concentration within the range of 0.1 g/l to 100 g/l. The method results in improved UV resistance properties of the stained wood. Furthermore, method of determination of phenolic compounds content is provided, using the staining method. Workplace Institute of Analytical Chemistry Contact Iveta Drobníková, drobnikova@iach.cz, Tel.: 532 290 234 Year of Publishing 2024 Electronic address https://data.epo.org/publication-server/document?iDocId=7056135&iFormat=0
Number of the records: 1