Process for the preparation of a dendritic macromolecule

Details Process for the preparation of a dendritic macromolecule Process for the preparation of a dendritic macromolecule

C - Chemistry, Metallurgy

08

F

C08F 297/00 (2006.01) C08F 6/12 (2006.01) C08F 8/04 (2006.01) C08F 8/30 (2006.01) C08G 73/02 (2006.01) C08G 83/00 (2006.01) C08L 101/00 (2006.01) C09D 201/00 (2006.01)

Patent

CA 2166720

The invention relates to a process for the preparation of a dendritic macromolecule, wherein an amount of a core molecule comprising at least one functional group is dissolved in a solvent, after which alternatingly an addition reaction and a hydrogenation reaction are carried out, during the addition reaction vinyl cyanide units being added to the solution which react with the functional groups in such a manner that a dendritic macromolecule with terminal cyanide groups is formed, and during the hydrogenation reaction the cyanide groups being reduced in solution by means of hydrogen and a suitable catalyst in such a manner that functional amine groups are formed, wherein the solvent in which the hydrogenation reaction takes place is an alcohol which contains an amount of ammonia, the molar ratio between the amount of ammonia and the number of cyanide groups being higher than 0.8.

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