| 摘要 |
<p>This invention relates to a multi-component system comprising a first component, a second component and a third component wherein the first component being a resin composition comprising an hydroxy-functional unsaturated polyester resin with an acid value < 10 and/or an hydroxy-functional vinyl ester resin with an acid value < 10, reactive diluent and a ligand according to the following formula (1) wherein each R1, R2, R3 and R4 are independently selected from hydrogen, C1-C12 alkyl, C3-C8 cycloalkyl, C6-C12 aryl and C5-C12 heteroaryl; X is selected from C=O and -[C(R)2]z- wherein z is from 1 to 3 and each R is independently selected from hydrogen, hydroxyl, C1 -C4 alkoxy and C1 -C4 alkyl; each Rx and Ry are independently selected from hydrogen, C1 -C8 alkyl, C1-C8-alkyl-O-C1-C8-alkyl, C1-C8-alkyl-O-C6-C10-aryl, C6-C10-aryl, C1 -C8-hydroxyalkyl, and (CH2)nC(O)OR5 wherein n is from 0 to 4 and R5 is hydrogen, C1-C12 alkyl or an amide; Ra is a 2-pyridyl group or an alkylidene-2-pyridyl group; Rb is selected from C1-C24 alkyl, C6-C10 aryl and a group containing a heteroatom; and wherein the resin composition comprises an iron salt and/or complex; and the second component comprises an isocyanate compound with an average functionality > 1.7, and the third component comprises a peroxide compound.</p> |
