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.

Curing agents for air-drying alkyd-based resins, coatings, such as paint, varnish or wood stain, inks and linoleum floor coverings, based on an iron/manganese complex containing tetradentate, pentadentate or hexadentate nitrogen donor ligands are disclosed.

Curing agents for air-drying alkyd-based resins, coatings, such as paint, varnish or wood stain, inks and linoleum floor coverings, based on an iron/manganese complex containing tetradentate, pentadentate or hexadentate nitrogen donor ligands are disclosed.

A drier for air-drying an auto-oxidizable resin composition, said drier comprising: 1,4,7-trialkyl-1,4,7-triazacyclononane (L); a manganese salt having the general formula Mn.sup.2+[X].sub.n, wherein anion X is selected from PF.sub.6.sup., SbF.sub.6.sup., AsF.sub.6.sup., BF.sub.4.sup., B(C.sub.6F.sub.5).sub.4.sup., Cl.sup., Br.sup., I.sup., NO.sub.3, or R.sub.2COO.sup. in which case n=2, or the anion X is SO.sub.4.sup.2 in which case n=1, and wherein R.sub.2 is C.sub.1-C.sub.20 alkyl optionally substituted with heteroatoms, C.sub.6-C.sub.20) aryl optionally substituted with heteroatoms, or a polymeric residue; wherein the 1,4,7-trialkyl-1,4,7-triazacyclononane (L) is present in the mixture in an amount such that the molar ratio of Mn:L is at least 1.25:1 and preferably at least 1.5:1.

A drier for air-drying an auto-oxidizable resin composition, said drier comprising: 1,4,7-trialkyl-1,4,7-triazacyclononane (L); a manganese salt having the general formula Mn.sup.2+[X].sub.n, wherein anion X is selected from PF.sub.6.sup., SbF.sub.6.sup., AsF.sub.6.sup., BF.sub.4.sup., B(C.sub.6F.sub.5).sub.4.sup., Cl.sup., Br.sup., I.sup., NO.sub.3, or R.sub.2COO.sup. in which case n=2, or the anion X is SO.sub.4.sup.2 in which case n=1, and wherein R.sub.2 is C.sub.1-C.sub.20 alkyl optionally substituted with heteroatoms, C.sub.6-C.sub.20) aryl optionally substituted with heteroatoms, or a polymeric residue; wherein the 1,4,7-trialkyl-1,4,7-triazacyclononane (L) is present in the mixture in an amount such that the molar ratio of Mn:L is at least 1.25:1 and preferably at least 1.5:1.

A mixture for use as a drier for air-drying an auto-oxidizable resin composition, said mixture comprising : 1,4,7-trialkyl-1,4,7-triazacyclononane (L); and, a manganese salt having the general formula Mn.sup.2+[X].sub.n, wherein anion X is selected from PF.sub.6.sup., SbF.sub.6.sup., AsF.sub.6.sup., BF.sub.4.sup., B(C.sub.6F.sub.5).sub.4.sup., CI.sup., Br.sup., I.sup., NO.sub.3.sup., or R.sub.2COO.sup. in which case n=2, or the anion X is SO.sub.4.sup.2 in which case n=1, and wherein R.sub.2 is C.sub.1-C.sub.20 alkyl optionally substituted with heteroatoms, C.sub.6-C.sub.20 aryl optionally substituted with heteroatoms, or a polymeric residue; wherein the 1,4,7-trialkyl-1,4,7-triazacyclononane (L) is present in the mixture in an amount such that the molar ratio of L:Mn is at least 1.25:1 and more preferably at least 1.5:1.

A mixture for use as a drier for air-drying an auto-oxidizable resin composition, said mixture comprising : 1,4,7-trialkyl-1,4,7-triazacyclononane (L); and, a manganese salt having the general formula Mn.sup.2+[X].sub.n, wherein anion X is selected from PF.sub.6.sup., SbF.sub.6.sup., AsF.sub.6.sup., BF.sub.4.sup., B(C.sub.6F.sub.5).sub.4.sup., CI.sup., Br.sup., I.sup., NO.sub.3.sup., or R.sub.2COO.sup. in which case n=2, or the anion X is SO.sub.4.sup.2 in which case n=1, and wherein R.sub.2 is C.sub.1-C.sub.20 alkyl optionally substituted with heteroatoms, C.sub.6-C.sub.20 aryl optionally substituted with heteroatoms, or a polymeric residue; wherein the 1,4,7-trialkyl-1,4,7-triazacyclononane (L) is present in the mixture in an amount such that the molar ratio of L:Mn is at least 1.25:1 and more preferably at least 1.5:1.

The present invention relates to an oxidatively curable coating composition with which a formulation for use in catalysing the curing of oxidatively curable coating compositions, in particular oxidatively curable coating compositions comprising an oxidatively curable alkyd-based resin, has been contacted. The formulations described herein comprise a triazacyclononane-based chelant; a manganese (II), (III) or (IV) salt; and an alcohol or ketone, which alcohol or ketone typically acts as a solvent for the salt and the chelant. The invention also relates to preparing the oxidatively curable coating compositions of the invention, such coating compositions once cured and methods comprising applying such coating compositions to a substrate.

The present invention relates to an oxidatively curable coating composition with which a formulation for use in catalysing the curing of oxidatively curable coating compositions, in particular oxidatively curable coating compositions comprising an oxidatively curable alkyd-based resin, has been contacted. The formulations described herein comprise a triazacyclononane-based chelant; a manganese (II), (III) or (IV) salt; and an alcohol or ketone, which alcohol or ketone typically acts as a solvent for the salt and the chelant. The invention also relates to preparing the oxidatively curable coating compositions of the invention, such coating compositions once cured and methods comprising applying such coating compositions to a substrate.

A two-component solvent-based coating composition comprising a component A comprising an autoxidizable resin comprising unsaturated fatty acids and a metal-ligand complex as drying catalyst, wherein the metal is manganese, vanadium or iron; and a component B comprising a (meth)acrylate compound and a thiol compound, wherein the (meth)acrylate compound is a poly (meth)acryloyl functional ester of (meth)acrylic acid and a polyhydric alcohol or a poly (meth)acryloyl functional dimer of such ester, wherein component B is free of drying catalyst, wherein component A is free of a compound comprising a thiol group and of a compound comprising a (meth)acryloyl functional group, and wherein the coating composition is free of cobalt.