PROCESS FOR CURING (METH)ACRYLATE-CONTAINING UP OR VE RESIN
Process for curing an unsaturated polyester resin or vinyl ester resin, the resin comprising a reactive diluent selected from the group consisting of acrylic acid, methacrylic acid, acrylates, methacrylates, acrylamides, methacrylamides, and combinations thereof, said process comprising the addition to said resin of (i) a ketone peroxide selected from the group consisting of methyl isopropyl ketone peroxide, methyl isobutyl ketone peroxide, cyclohexanone peroxide, and combinations thereof and (ii) a compound of a transition metal selected from the group consisting of Mn, Fe, and Cu, and combinations thereof.
1 . Process for curing an unsaturated polyester resin or vinyl ester resin, the resin comprising a reactive diluent selected from the group consisting of acrylic acid, methacrylic acid, acrylates, methacrylates, acrylamides, methacrylamides, and combinations thereof, said process comprising the addition to said resin of (i) a ketone peroxide selected from the group consisting of methyl isopropyl ketone peroxide, methyl isobutyl ketone peroxide, cyclohexanone peroxide, and combinations thereof, and (ii) a compound of a transition metal selected from the group consisting of Mn, Fe, and Cu, and combinations thereof.
2 . Process according to claim 1 wherein the ketone peroxide is methyl isopropyl ketone peroxide.
3 . Process according to claim 1 wherein the ketone peroxide is methyl isobutyl ketone peroxide.
4 . Process according to claim 1 wherein the ketone peroxide is cyclohexanone peroxide.
5 . Process according to claim 1 wherein the transition metal is Cu.
6 . Process according to claim 1 wherein the reactive diluent is selected from the group consisting of acrylates, methacrylates, and combinations thereof.
7 . Process according to claim 6 wherein the reactive diluent is selected from the group consisting of methyl methacrylate, tert-butylacrylate, glycidyl acrylate, glycidyl methacrylate, methylacrylate, diacrylates, dimethacrylates, triacrylates, trimethacrylates, tetra-acrylates, tetramethacrylates, and combinations thereof.
8 . Process according to claim 7 wherein the reactive diluent is selected from the group consisting of diacrylates, dimethacrylates, triacrylates, trimethacrylates, tetra-acrylates, tetramethacrylates, and combinations thereof.
9 . Process according to claim 8 wherein the reactive diluent is selected from the group consisting of poly(ethylene glycol) di(meth)acrylates, 1,2-ethanediol di(meth)acrylate, 1,2-propanediol di(meth)acrylate, 1,3-propanediol di(meth)acrylate, 1,5-pentanediol di(meth)acrylate, 1,4-butanediol di(meth)acrylate, 1,3-butanediol di(meth)acrylate, 2,3-butanediol di(meth)acrylate, 1,6-hexanediol di(meth)acrylate, diethyleneglycol di(meth)acrylate, triethyleneglycol di(meth)acrylate, glycerol di(meth)acrylate, trimethylolpropane di(meth)acrylate, neopentyl glycol di(meth)acrylate, dipropyleneglycol di(meth)acrylate, tripropyleneglycol di(meth)acrylate, poly(propyleneglycol) di(meth)acrylates, tricyclodecane dimethylol di(meth)acrylate, 1,10-decanediol di(meth)acrylate, tetraethylene glycol di(meth)acrylate, trimethylolpropanetri(meth)acrylate, pentaerythritol tetra(meth)acrylate, glycidyl (meth)acrylate, and combinations thereof.
10 . Process according to claim 9 wherein the reactive diluent is selected from the group consisting of 1,4-butanediol dimethacrylate, trimethylolpropane tri(meth)acrylate, pentaerythritol tetra(meth)acrylate, and combinations thereof.
11 . Radically curable resin composition comprising (i) an unsaturated polyester resin or vinyl ester resin, (ii) a ketone peroxide selected from the group consisting of methyl isopropyl ketone peroxide, methyl isobutyl peroxide, cyclohexanone peroxide, and combinations thereof, (iii) a compound of a transition metal selected from the group consisting of Mn, Fe, and Cu, and combinations thereof, and (iv) a reactive diluent selected from the group consisting of acrylic acid, methacrylic acid, acrylates, methacrylates, acrylamides, methacrylamides, and combinations thereof.
12 . Radically curable resin composition according to claim 11 wherein the reactive diluent is selected from the group consisting of methyl methacrylate, tert-butylacrylate, methylacrylate, glycidyl acrylate, glycidyl methacrylate, diacrylates, dimethacrylates, triacrylates, trimethacrylates, tetra-acrylates, tetramethacrylates, and combinations thereof.
13 . Radically curable resin composition according to claim 12 wherein the reactive diluent is selected from the group consisting of diacrylates, dimethacrylates, triacrylates, trimethacrylates, tetra-acrylates, tetramethacrylates, and combinations thereof.
14 . Radically curable resin composition according to claim 13 wherein the reactive diluent is selected from the group consisting of poly(ethylene glycol) di(meth)acrylates, 1,2-ethanediol di(meth)acrylate, 1,2-propanediol di(meth)acrylate, 1,3-propanediol di(meth)acrylate, 1,5-pentanediol di(meth)acrylate, 1,4-butanediol di(meth)acrylate, 1,3-butanediol di(meth)acrylate, 2,3-butanediol di(meth)acrylate, 1,6-hexanediol di(meth)acrylate, diethyleneglycol di(meth)acrylate, triethyleneglycol di(meth)acrylate, glycerol di(meth)acrylate, trimethylolpropane di(meth)acrylate, neopentyl glycol di(meth)acrylate, dipropyleneglycol di(meth)acrylate, tripropyleneglycol di(meth)acrylate, poly(propyleneglycol) di(meth)acrylates, tricyclodecane dimethylol di(meth)acrylate, 1,10-decanediol di(meth)acrylate, tetraethylene glycol di(meth)acrylate, trimethylolpropane tri(meth)acrylate, pentaerythritol tetra(meth)acrylate, and combinations thereof.
15 . Radically curable resin composition according to claim 14 wherein the reactive diluent is selected from the group consisting of 1,4-butanediol dimethacrylate, trimethylolpropane tri(meth)acrylate, pentaerythritol tetra(meth)acrylate, and combinations thereof.