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Performance of Manganese(III) Acetylacetonate in Solvent-Borne and High-Solid Alkyd Formulations
Year: 2020
Type of publication: článek v odborném periodiku
Name of source: Materials
Publisher name: MDPI
Place: BASEL
Page from-to: "642-1"-"642-14"
Titles:
Language Name Abstract Keywords
cze Účinek acetylacetonátu manganatého v rozpouštědlových a vysokosušinových alkydových formulacích Tento článek popisuje vysokou sikativační aktivitu acetyl acetonátu manganatého, která je popsána na několika rozpouštědlových a vysokosušinových pojivech. alkydové nátěrové hmoty; mangan; primární sikativ; infračervená spektroskopie; Ramanova spektroskopie; EPR spektroskopie
eng Performance of Manganese(III) Acetylacetonate in Solvent-Borne and High-Solid Alkyd Formulations This paper reports a strong drying activity of manganese(III) acetylacetonate. It is documented on several solvent-borne and high-solid alkyd binders. Solubility problems, which often appear upon application of new primary driers, were overcome by use of dimethyl sulfoxide. Interestingly, intense coloration of the drier does not influence the transparent paint films due to in situ reduction to manganese(II) as evidenced by colorimetric measurements. Kinetics of the autoxidation process was investigated by infrared and Raman spectroscopy. For selected formulation, the effect of film thickness on through drying was estimated by infrared spectroscopy using attenuated total reflection sampling technique. alkyd paints; manganese; primary drier; infrared spectroscopy; Raman spectroscopy; EPR spectroscopy