Polysiloxanes with nitrogen-containing groups

Polysiloxanes of formula 1:

• MaDbDAcDBdDCeTfQg (formula 1)
• where:
• M=[R2R12SiO1/2]
• D=[R12SiO2/2]
• DA=[R1Si(R7NHR3)O2/2]
• DB=[R1SiR4O2/2]
• DC=[R1SiR5O2/2]
• T=[R1SiO3/2]
• Q=[SiO4/2]
• in which:
• R1 in each occurrence independently represents identical or different linear or branched, saturated or unsaturated hydrocarbon radicals having 1 to 30 carbon atoms or else aromatic hydrocarbon radicals having 6 to 30 carbon atoms;
• R2 in each occurrence independently represents R1, an alkoxy radical or a hydroxyl group;
• R3 in each occurrence independently represents hydrogen or a hydrocarbon radical substituted with nitrogen atoms;
• R4 in each occurrence independently represents identical or different linear or branched, saturated or olefinically unsaturated hydrocarbon radicals having 8 to 30 carbon atoms;
• R5 in each occurrence is independently selected from the group consisting of:
• identical or different linear or branched, saturated or unsaturated polar hydroxyl-substituted amide radicals having 1 to 30 carbon atoms;
• hydroxyl-substituted carbamate radicals having 1 to 30 carbon atoms;
• ethoxylated amine radicals having 1 to 30 carbon atoms;
• and
• guanidine radicals or alkylenylguanidine radicals having 1 to 30 carbon atoms;
• R7 in each occurrence independently represents identical or different linear or branched, saturated or unsaturated, divalent hydrocarbon groups having 1 to 20 carbon atoms;
• a is 2 to 20;
• b is 10 to 5000;
• c is 1 to 500;
• d is 0 to 500;
• e is >0 to 500;
• f is 0 to 20;
• g is 0 to 20;
• and
• c is >0.5*e;
• or their ionic adducts with protic reactants H+A−;
• with the proviso that:
• at least 50% of the R2 radicals are =R1;
• and
• at least one occurrence of R5 is a guanidine radical or an alkylenylguanidine radical having 1 to 30 carbon atoms.