| abstract |
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 2+ [X] n , wherein anion X is selected from PF 6 n - , SbF 6 n - , AsF 6 n - , BF 4 n - , B(C 6 F 5 ) 4 n - , CI - , Br - , I - , NO 3 n - , or R 2 COO - in which case n=2, or the anion X is SO 4 n 2- in which case n = 1, and wherein R 2 is C 1 -C 20 alkyl optionally substituted with heteroatoms, C 6 -C 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. |