The present invention relates to a method of preparing an oxidatively curable coating formulation made from an oxidatively curable alkyd-based resin, a complex comprising one or more manganese ions and one or more triazacyclononane-based ligands; and to the use of triazacyclononane-based ligands for accelerating the rate of curing of an alkyd-based resin formulation by such complexes. The formulations may be paints or other oxidatively curable coating compositions.

The invention provides a drier composition for an air-drying alkyd based coating composition, comprising: a) at least one metal complex comprising a metal and at least one monodentate, bidentate, tridentate, tetradentate, pentadentate and/or hexadentate nitrogen donor ligand, wherein the metal is selected from Fe and Mn, and wherein the metal complex is present in the drier composition in an amount of 0.005 to 99.5 percent by weight metal, based on the total weight of metal and potassium in the drier composition; and b) at least one K salt of octoic acid, naphthenic acid, neodecanoic acid, and/or 2-ethylhexanoic acid; wherein the K salt is present in the drier composition in an amount of 0.5 to 99.995 percent by weight potassium, based on the total weight of metal and potassium in the drier composition. The present invention also relates to a coating composition comprising said drier composition and the use thereof.

The invention provides a drier composition for an air-drying alkyd based coating composition, comprising: a) at least one metal complex comprising a metal and at least one monodentate, bidentate, tridentate, tetradentate, pentadentate and/or hexadentate nitrogen donor ligand, wherein the metal is selected from Fe and Mn, and wherein the metal complex is present in the drier composition in an amount of 0.005 to 99.5 percent by weight metal, based on the total weight of metal and potassium in the drier composition; and b) at least one K salt of octoic acid, naphthenic acid, neodecanoic acid, and/or 2-ethylhexanoic acid; wherein the K salt is present in the drier composition in an amount of 0.5 to 99.995 percent by weight potassium, based on the total weight of metal and potassium in the drier composition. The present invention also relates to a coating composition comprising said drier composition and the use thereof.

The invention relates to a coating composition comprising an autoxidizable alkyd-based resin and a drier composition, the drier composition comprising: a) an iron-ligand complex comprising iron and at least one bispidine ligand; and b) a vanadium compound; wherein the amount of the vanadium compound is such that the coating composition comprises vanadium in a concentration in the range of from 0.01 wt % to 1.0 wt %, based on the solid weight of alkyd-based resin and wherein the amount of iron-ligand complex is such that the coating composition comprises iron in a concentration in the range of from 0.5.Math.10.sup.?4 wt % to 5.Math.10.sup.?3 wt %, based on the solid weight of alkyd-based resin.

The invention relates to a coating composition comprising an autoxidizable alkyd-based resin and a drier composition, the drier composition comprising: a) an iron-ligand complex comprising iron and at least one bispidine ligand; and b) a vanadium compound; wherein the amount of the vanadium compound is such that the coating composition comprises vanadium in a concentration in the range of from 0.01 wt % to 1.0 wt %, based on the solid weight of alkyd-based resin and wherein the amount of iron-ligand complex is such that the coating composition comprises iron in a concentration in the range of from 0.5.Math.10.sup.?4 wt % to 5.Math.10.sup.?3 wt %, based on the solid weight of alkyd-based resin.

The invention relates to a drier composition for an autoxidizable alkyd based coating composition, comprising: a) at least one Fe complex comprising Fe and at least one nitrogen donor ligand, wherein the nitrogen donor ligand is selected from tridentate, tetradentate, pentadentate and hexadentate nitrogen donor ligands; b) at least one metal salt of a carboxylic acid, wherein the metal is selected from Mn, Ce, V, and Cu; and c) at least one ligand comprising at least one moiety selected from 1,4,7-tri-azacyclononanyl, 2,2-bipyridyl, 1,10-phenantrolinyl, imidazolyl, pyrazolyl, porphyrinyl, aliphatic, cycloaliphatic, and aromatic amines. The present invention also relates to coating composition comprising the drier composition, and a method of reducing skinning tendency of an autoxidizable alkyd based coating composition while accelerating drying time thereof upon application of the autoxidizable alkyd based coating composition to a substrate as a coating, comprising adding the above drier composition to the autoxidizable alkyd based coating composition.

The invention relates to a drier composition for an autoxidizable alkyd based coating composition, comprising: a) at least one Fe complex comprising Fe and at least one nitrogen donor ligand, wherein the nitrogen donor ligand is selected from tridentate, tetradentate, pentadentate and hexadentate nitrogen donor ligands; b) at least one metal salt of a carboxylic acid, wherein the metal is selected from Mn, Ce, V, and Cu; and c) at least one ligand comprising at least one moiety selected from 1,4,7-tri-azacyclononanyl, 2,2-bipyridyl, 1,10-phenantrolinyl, imidazolyl, pyrazolyl, porphyrinyl, aliphatic, cycloaliphatic, and aromatic amines. The present invention also relates to coating composition comprising the drier composition, and a method of reducing skinning tendency of an autoxidizable alkyd based coating composition while accelerating drying time thereof upon application of the autoxidizable alkyd based coating composition to a substrate as a coating, comprising adding the above drier composition to the autoxidizable alkyd based coating composition.

The invention relates to a drier composition for an oxidatively air-drying alkyd based coating composition, comprising: a) at least one metal complex comprising a metal and at least one nitrogen donor ligand, wherein the metal is selected from the group consisting of Fe and Mn, and wherein said at least nitrogen donor ligand is selected from the group comprising monodentate, bidentate, tridentate, tetradentate, pentadentate and hexadentate nitrogen donor ligands; and b) at least one K salt of an organic acid. The present invention also relates to a coating composition comprising said drier composition and the use thereof.

The invention relates to a drier composition for an oxidatively air-drying alkyd based coating composition, comprising: a) at least one metal complex comprising a metal and at least one nitrogen donor ligand, wherein the metal is selected from the group consisting of Fe and Mn, and wherein said at least nitrogen donor ligand is selected from the group comprising monodentate, bidentate, tridentate, tetradentate, pentadentate and hexadentate nitrogen donor ligands; and b) at least one K salt of an organic acid. The present invention also relates to a coating composition comprising said drier composition and the use thereof.

Compositions containing 1,1-difluoroethane and 3,3,3-trifluoropropene, that can be used in multiple fields of application. The composition may include from 25 to 65 mol % of 1,1-difluoroethane and from 75 to 35 mol % of 3,3,3-trifluoropropene at a temperature of between 25 C. and 25 C. and a pressure of between 1 and 6 bar. The composition may further include hydrogen fluoride. The composition may include from 20 to 55 mol % of HF, 30 to 40 mol % of 1,1-difluoroethane and 30 to 40 mol % of 3,3,3-trifluoropropene.