Types of polyester-modified organopolysiloxanes

Polyester-polysiloxane copolymers characterized in that a trimethylcaprolactone is used for building up the polyester block and are compounds of the general formula (I)

• M2+f+2g-a-bM′aM″bDcD′dD″eTfQg formula (I)
• where
• M=(R13SiO1/2),
• M′=(R12R2SiO1/2),
• M″=(R12R3SiO1/2),
• D=(R12SiO2/2),
• D′=(R1R2SiO2/2),
• D″=(R1R3SiO2/2),
• T=(R1SiO3/2) and
• Q=(SiO4/2);
• where
• a=0 to 10,
• b=0 to 15,
• c=0 to 350,
• d=0 to 50,
• e=0 to 100,
• f=0 to 12,
• g=0 to 8,
• with the proviso that
• b+e≧1
• where
• R1=independently of the others, identical or different linear or branched, optionally aromatic hydrocarbon radicals having 1 to 30 carbon atoms, which optionally carry hydroxyl or ester functions,
• R2=independently of the others, identical or different polyether radicals, or those radicals of the formula (II)
• and
• R3=independently of the others, identical or different radicals of the general formulae (IIIa) or (IIIb)
• -A(BC)k formula (IIIa),
• -A(B′C′)k formula (IIIb),
• where
• C=independently of the others, identical or different polyester radicals of the formula (IV)
• B=independently of the others, identical or different divalent heteroatom groups;
• A=independently of the others and identical or different, a (k+1)-valent organic radical;
• C′=independently of the others, identical or different polyester radicals of the formula (V)
• B′=independently of the others, identical or different divalent radicals containing carbonyl groups,
• where
• X=independently of the others and identical or different, O or NH, preferably oxygen O,
• R4 is a linear or branched alkyl radicals having 1 to 16 carbon atoms or hydrogen,
• R5, R7=independently of one another, identical or different alkyl or aryl radicals,
• R6=independently of the others, identical or different, optionally branched alkyl radicals or an acyl radical,
• R8, R11=independently of one another, identical or different linear or branched alkyl radicals having 1 to 16 carbon atoms or hydrogen, preferably methyl or hydrogen, in particular hydrogen, and
• and
• h=0 to 22,
• i=0 to 50,
• j=0 to 50,
• k=1 to 3,
• l=0 to 50,
• m=0 to 50,
• n, o, s, t=0 to 50,
• p, u=1 to 4,
• q, v=0 to 50,
• with the proviso that
• n+o≧2 or s+t≧2.