Patent ID: 6624236
Filing Date: 2003-09-23
Classification: C07F

Abstract:
Polysiloxanes obtainable by sol-gel-condensation of A1, 60 to 100 mol % relative to the condensate from A1, A2 and A3, monomers or precondensates of sol-gel condensable cyclic siloxanes of the general formula (1): â€ƒin which the following mean: R1, R2: alkyl with 1 to 10 C atoms, alkenyl with 2 to 10 C atoms, fluoroalkyl with 1 to 10 C atoms, cycloalkyl with 3 to 12 C atoms, aryl with 6 to 18 C atoms, R3: R5â€”Z R4: R6â€”(Aâ€”R6)Câ€”SiXaR7b, R5, R6: alkylene linear or branched with 2 to 10 C atoms, alkenylene linear or branched with 1 to 10 C atoms, cycloalkylene with 3 to 12 C atoms, cycloalkenylene with 3 to 12 C atoms, alkarylene with 6 to 18 C atoms with up to 3 heteroatoms selected from the group consisting of O, N, and S, R7: alkyl with 1 to 10 C atoms, alkenyl with 2 to 10 C atoms, aryl with 6 to 18 C atoms, alkylaryl with 6 to 24 C atoms, arylalkyl with 6 to 24 C atoms, Z: a linear, branched or cyclic organic radical with at least one C&boxH;C double bond or at least one epoxide function and at least 4 to 50 carbon atoms and up to 10 heteroatoms selected from the group consisting of O, N and S, A: O, S, NHC(O)O, NHC(O)NR8, OC(O)NH, OC(O), or C(O)O, X: H, halogen, hydroxy, acyloxy, alkylcarbonyl, NR82, alkoxy, alkoxycarbonyl, the acyl, alkyl or alkoxy radicals containing 1 to 10 C atoms, R8: H, alkyl with 1 to 10 C atoms, or aryl with 6 to 18 C atoms, n: 2 to 16, a: 1, 2 or 3, b: 0, 1 or 2, with the proviso that a+b=3, and c: 0 or 1, A2 0 to 40 mol %, relative to the condensate from A1, A2, and A3, of organic sol-gel-condensable monomers, and A3 0 to 40 mol %, relative to the condensate from A1, A2, and A3, of one or more sol-gel-condensable compounds of silicon and optionally other elements form the group selected from the group consisting of B, Al, P, Sn, Pb, the transition metals, the lanthanides and aktinides, where the sum of the amounts from A2 and A3 does not exceed 40 mol % and the amounts of A1, A2 and A3 must be made up to 100 mol %.