Alkenylphenoxy-substituted 1,1-diphenylethylenes, processes for their preparation, and their use

2:

• The alkenylphenoxy-1,1-diphenylethylene of claim 1, wherein alkenylphenoxy groups R1 and R2 are independently selected from the group consisting of the following structures:
• in which the ALKENYL residue is a 1-alkenyl group with 2 to 6 carbon atoms or a 2-alkenyl group with 3 to 6 carbon atoms.

The curable composition according to claim 3, wherein B in the polyimide according to formula (II) is selected from the group consisting of the following difunctional groups:

6:

• The curable composition according to claim 3, wherein the polyimide of formula (II) is selected from the group consisting of 4,4′-bismaleimidodiphenylmethane, bis(3-methyl-5-ethyl-4-maleimidophenyl)methane, bis(3,5-dimethyl-4-maleimidophenyl)methane, 4,4′-bismaleimido diphenylether, 4,4′-bismaleimidodiphenylsulfone, 3,3′-bismaleimidodiphenylsulfone, bismaleimidodiphenylindane, 2,4-bismaleimidotoluene, 2,6-bismaleimidotoluene, 1,3-bismaleimidobenzene, 1,2-bismaleimidobenzene, 1,4-bismaleimidobenzene, 1,2-bismaleimido ethane, 1,6-bismaleimidohexane, 1,6-bismaleimido-(2,2,4-trimethyl) hexane, 1,6-bis maleimido-(2,4,4-trimethyl)hexane, 1,4-bis(maleimidomethyl)cyclohexane, 1,3-bis(maleimidomethyl)cyclohexane, 1,4-bismaleimidodicyclohexylmethane, 1,3-bis(maleimidomethyl)benzene, and 1,4-bis(maleimidomethyl)benzene.

7:

• A process for manufacturing the curable composition of claim 3, the process comprising blending components (a) and (b) with a powder-, melt-, or solvent assisted blending process resulting in a solid, low-melting, or tacky curable composition.

8:

• A curable prepolymer obtained from the curable composition according to claim 3, by a process comprising heating the curable composition to a temperature ranging from 50° C. to 250° C. for a time sufficient to obtain a prepolymer, which is still formable upon the application of heat, pressure, or both.

9:

• A crosslinked polymer obtained from the curable composition according to claim 3 by a process comprising heating the curable composition to a temperature ranging from 70° C. to 280° C. for a time sufficient to obtain a polymer.

10:

• A process for manufacturing a composite material, the process comprising combining the curable composition according to claim 3, with a fibrous or particulate reinforcement, and curing the resultant product.

11:

• A composite material obtained by the process according to claim 10.