Patent ID: 7625993

Claim:
A polyaldimine which is obtainable from at least one polyamine A having aliphatic primary amino groups and at least one aldehyde B of the formula where Y 1 and Y 2 either independently of one another are an alkyl, aryl, arylalkyl group, a substituted alkyl, a substituted aryl, an alkyl containing one or more heteroatoms, an aryl containing one or more heteratoms, a substituted alkyl containing one or more heteroatoms, or a substituted aryl containing one or more heteratoms; or Y 1 and Y 2 are connected to one another to form a carbocyclic or heterocyclic ring which has a ring size of between 5 and 8 atoms; and R 1 stands either for a linear or branched alkyl chain having 11 to 30 carbon atoms, with or without at least one heteroatom, or for a singly or multiply unsaturated linear or branched hydrocarbon chain having 11 to 30 carbon atoms; or for or for where R 2 is a linear or branched or cyclic alkylene chain having 2 to 16 carbon atoms, with or without at least one heteroatom, or is a singly or multiply unsaturated linear or branched or cyclic hydrocarbon chain having 2 to 16 carbon atoms, and R 3 is a linear or branched alkyl chain having 1 to 8 carbon atoms; wherein the polyaldimine is odorless.