Novel diacrylates and dimethacrylates

Details Novel diacrylates and dimethacrylates Novel diacrylates and dimethacrylates

C - Chemistry, Metallurgy

07

C

C07C 69/54 (2006.01) C07C 69/75 (2006.01) C07C 317/46 (2006.01) C07C 323/62 (2006.01) G03F 7/027 (2006.01) G03F 7/028 (2006.01)

Patent

CA 2088031

FS/K-18945/A Novel diacrylates and dimethacrylates Abstract of the Disclosure Compounds of formulae (Ia) and (Ib) (Ia), Image (Ib), Image wherein the substituents R1 are each independently of the other hydrogen or methyl, R2 is an unsubstituted C1-C20alkyl group or a C1-C20alkyl group which is substituted by one or more than one substituent selected from the group consisting of hydroxy, C6-C14aryl and halogen, an unsubstituted phenyl group or a phenyl group which issubstituted by one or more than one substituent selected from the group consisting of C1-C6alkyl, hydroxy or halogen, or is a radical of formula -CH2-OR3, wherein R3 is an unsubstituted C1-C20alkyl group or a C1-C20alkyl group which is substituted by one or more than one substituent selected from the group consisting of hydroxy, C6-C14aryl and halogen, an unsubstituted phenyl group or a phenyl group which is substituted by one or more than one substituent selected from the group consisting of C1-C6alkyl, hydroxy and halogen, or is a C2-C6alkenyl group, a C2-C20acyl group or an unsubstituted cyclohexyl- carbonyl group or a cyclohexylcarbonyl group which is substituted by one or more than one substituent selected from the group consisting of C1-C6alkyl, hydroxy and halogen, Z is a group of formulae (IIa)-(IIe) Image (IIa), Image (IIb), Image (IIc), Image (IId), Image (IIe), wherein Y is a direct bond, C1-C6alkylene, -S-, -O-, -SO-, -SO2- or -CO-, and R1 is hydrogen or methyl, and wherein the aromatic and cycloaliphatic rings of formulae (IIa)-(IIe) are unsubstituted or substituted by one or more than one substituent selected from the group consisting of C1-C6alkyl, chloro and bromo, form, in conjunction with other acrylates or methacrylates, low viscosity photocurable compositions which, when fully cured, give moulded articles of excellent flexibility.

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