Sugar amines and sugar amides and use as glues

An adhesive compound which satisfies the formula:

• Y-NQ-›-A-N(X)-!.sub.n -A-NQ-Y 1
• where:
• A represents a hydrocarbon group which has 2 carbon atoms, or a hydrocarbon group which as 3-8 carbon atoms and which may be interrupted by an oxygen atom and may be substituted by a hydroxyl group or a group -NHY;
• n=0-10;
• Q represents hydrogen, alkanoyl or hydroxyalkyl, or the two X represents a group Y, a group -A-NH-Y, an alkanoyl group or a hydroxyalkyl group;
• Y represents hydrogen or a group Z, provided that at least two groups Y have the meaning Z;
• and
• Z represents the residue of an oligosaccharide or derivative thereof, whereas two groups having symbol Z may be different.

A condensation product complying with the formula:

• Y-NQ-›-A-N(X)-!.sub.n -A-NQ-Y 1
• where:
• A represents a hydrocarbon group which has 2 carbon atoms, or a hydrocarbon group which has 3-8 carbon atoms and which may be interrupted by an oxygen atom and may be substituted by a hydroxyl group or a group -NHY;
• n=0-10;
• Q represents hydrogen, alkanoyl or hydroxyalkyl, or the two X represents a group Y, a group -A-NH-Y, an alkanoyl group or a hydroxyalkyl group;
• Y represents hydrogen or a group Z, provided that at least two groups Y have the meaning Z;
• and
• Z represents the residue of an oligosaccharide or derivative thereof, whereas two groups having symbol Z may be different.

A process for preparing an adhesive condensation product of a polyamine and at least two equivalents of an oligosaccharide or a derivative thereof, comprising reacting a polyamine of the formula:

• Q-NH-›-A-N(X')-!.sub.n -A-NH-Q 3
• where:
• A represents a hydrocarbon group which may be interrupted by an oxygen atom, has 2-8 carbon atoms and, in the case of at least three carbon atoms, may be substituted by a hydroxyl group or a group -NHY;
• n=0-10;
• Q represents hydrogen, alkanoyl or hydroxyalkyl, or the two groups Q jointly represent a group A;
• X' represents hydrogen, a group -A-NH.sub.2 or a hydroxyalkyl group;
• with at least two equivalents of a glyconic acid or glycaric acid or a lactone thereof.

A process for preparing an adhesive condensation product of a polyamine and at least two equivalents of an oligosaccharide or a derivative thereof, comprising reacting a polyamine of the formula:

• Q-NH-›-A-N(X')-!.sub.n -A-NH-Q 3
• where:
• A represents a hydrocarbon group which may be interrupted by an oxygen atom, has 2-8 carbon atoms and, in the case of at least three carbon atoms, may be substituted by a hydroxyl group or a group -NHY;
• n=0-10;
• Q represents hydrogen, alkanoyl or hydroxyalkyl, or the two groups Q jointly represent a group A;
• X' represents hydrogen or a group -A-NH.sub.2 ;
• with at least two equivalents of an oligosaccharide, and the reaction product may be reduced either at the same time or subsequently, or the reaction product is acylated with a reactive C.sub.1 -C.sub.8 acylating agent.