Catalysis by Complexes: Drying of Linseed Oil

Zettlemoyer, A. C.; Myers, Raymond R.

doi:10.1021/ie50538a059

Cited by 9 publications

(1 citation statement)

References 3 publications

(6 reference statements)

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“…A disadvantage is the need to add a co‐reductant, which introduces difficulties in formulation of paint compositions. Addition of nitrogen‐donor ligands such as 1,10‐phenanthroline (phen) to iron(II) 2‐ethylhexanoate also improves the paint drying activity here, but it is still not sufficient to warrant consideration as a potential replacement for cobalt‐based paint driers 24. One of the few iron catalysts not based on iron carboxylates reported thus far is a porphyrin complex isolated from haemoglobin, which exhibits a high drying activity for oils.…”

Section: Iron‐based Primary Driersmentioning

confidence: 99%

The Quest for Cobalt‐Free Alkyd Paint Driers

Böer¹,

Wesenhagen²,

Wenker³

et al. 2013

Eur J Inorg Chem

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Paint formulations, based either on organic solvents or on water, often contain alkyd resins that depend on catalysts for their oxidative curing. Cobalt carboxylates are the most widely used to date, but the use of these compounds is under pressure because classification as carcinogens under the REACh system is probable, and as a consequence there is great interest in the development of alternative driers to cobalt-based ones. A variety of manganese and iron carboxylates have been studied as paint drying catalysts in the last[a] Catexel BV, www.eurjic.org MICROREVIEW coating dries. Metal ions and complexes can facilitate these oxidation reactions and polymerisations. During the autooxidation of alkyd paints the unsaturated fatty acids react with molecular oxygen from the air to form -initiallyalkyl hydroperoxides (Scheme 1). [3,4] Subsequent decomposition of these alkyl hydroperoxides yields alkoxy and per-Johannes W. de Boer received his PhD in chemistry (2008) from the University of Groningen, the Netherlands, under the guidance of Prof. Ben L. Feringa and Dr. Ronald Hage and was awarded the Backer Prize by the Royal Dutch Chemical Society for his thesis on manganese-catalysed oxidation reactions. In 2007 he joined Rahu Catalytics, currently Catexel, where he works as Research Principal. His current research interests include the development of new oxidation catalysts and processes for a wide variety of (industrial) applications, focussing on manganese-and iron-catalysed activation of hydrogen peroxide and oxygen. Philana V. Wesenhagen gained her master's degree in chemistry at the University of Groningen in 2006 and joined the team of Rahu Catalytics from 2007 to 2009. After this she switched her fields of interest from chemistry to biotechnology and obtained a second master's degree, in cellular and molecular biotechnology at Wageningen University, in 2011. Currently she is doing her PhD at the Forschungszentrum in Jülich at the Institut für Bio-und Geowissenschaften. Erica C. M. Wenker gained a master's degree in chemistry (2010) at Leiden University, the Netherlands. During her master's she carried out mechanistic research on paint-drying catalysts at Rahu Catalytics. She is currently doing a PhD in coordination chemistry and catalysis under the guidance of Prof. Dr. Elisabeth Bouwman at Leiden University. Karin Maaijen obtained a bachelor's degree in chemistry in 2007 and a master's degree in chemistry and physics (2009) from Utrecht University (the Netherlands) with a major in inorganic chemistry and catalysis. In 2010 she joined Rahu Catalytics, currently Catexel, where she works as a Research Scientist on iron and manganese catalysts for various industrial applications. Franjo Gol gained a master's degree in chemistry and a Dr. rer. nat. in inorganic and organophosphorus chemistry at Wuppertal University. He has worked in the chemical industry for 26 years, initially on the development of water-borne binders for coatings for Herberts and then on binders, metal carboxylates and paint additives for Abshag...

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Section: Iron‐based Primary Driersmentioning

confidence: 99%

The Quest for Cobalt‐Free Alkyd Paint Driers

Böer¹,

Wesenhagen²,

Wenker³

et al. 2013

Eur J Inorg Chem

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Organische Katalysatoren, XLII. Mitteil.: Chelatkatalysen III

Langenbeck¹,

Oehler²

1956

Chem. Ber.

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Dio peroxydatische und katalatische Wirkung von Ionen des Mangans, Kobalta und Eisens wird durch Komplexbildung mit Sulfosalicylaldehyd-ilthylendiimin ( SS AD) oder Pyridoxalphosphatiithylendiimin (PPAD) stark aktiviert. Die besten Aktivierungen liegen in der GroBenordnung 1:loooO. ' ) T. Tsumaki, T. Yoehino u. M. K u r e m o t o , J. chem; SOC. Japan 64,1611 [1943]; A. J. Chalk u. J. F. Smite, Nature [London] 174, 802 [1954]; A. C. Z e t t l e m o y e r u. R. R. Myers, Ind. Engng. Chem. 46, 2220 [1954]; K. J. Anan, J. Japan. Biochem.

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Die Maskierung prooxygener Schwermetall‐Ionen in eiweishaltigen Emulsionen

Becker¹,

Gander²,

Heimann

1957

Fette, Seifen, Anstrichm.

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10 bis 20 ml Wasser unterschichtet und rnit Petrolather entfarbt. Dann setzt man den Kolben in ein mit warmem Wasser (+30 bis +40°) gefiilltes GefaB, setzt auf 166. F E T T E . S E I F E N . A N S T R I C H M I T T E L 59 JahrydngNr. 8 1957 El enmascaramiento de iones de metales pesados pro-oxigeno en emulsiones conteniendo proteinasInvestigaciones detalladas sobre la inhibici6n de la oxidacion de grasas con leche desnatada y suer0 de sangre de buey, muestran que la parte proteiea puede tener un efecto antioxidante de importancia. El efecto es causado por una inactivaci6n 6 en otra forma por trazas de metales pro-oxigeno, y depende grandemente del pH. Masking of pro-oxygen heavy metal ions in proleine containing emulsionsDetailed investigations on the inhibition of fat oxidation by skimmed milk and beef serum have shown that the proteine pdrt can have a very significant antioxygen effect. The effect is caused by an inactivation of otherwise prooxygen metal trclces, and is strongly pH dependent.

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Catalysis by Complexes: Drying of Linseed Oil

Cited by 9 publications

References 3 publications

The Quest for Cobalt‐Free Alkyd Paint Driers

The Quest for Cobalt‐Free Alkyd Paint Driers

Organische Katalysatoren, XLII. Mitteil.: Chelatkatalysen III

Die Maskierung prooxygener Schwermetall‐Ionen in eiweishaltigen Emulsionen

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