CIGLOSILOXAN-BASED RECITLABLE MONOMERS, ITS PREPARATION AND ITS USE IN POLYMERIZABLE MASSES.

摘要

Polysiloxanes, obtainable by condensation in the form of sol-gel of A1. 60 to 100 mol%, based on the condensate of A1, A2 and A3, of monomers or pre-condensates of cyclic sol-gel condensable siloxanes of the general formula (1) ** (See formula 1) ** in which means: R1, R2: alkyl with 1 to 10 C atoms, alkenyl with 1 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: R5-Z, R4: R6- (A-R5) c-SiXaR7b, R5, R6: linear or branched alkylene with 1 to 10 C atoms, linear or branched alkenylene with 1 to 10 C atoms, cycloalkylene with 3 to 12 atoms of C, cycloalkenylene with 3 to 12 atoms of C, alkylene with 6 to 18 atoms of C with up to 3 heteroatoms of the group O, N and S, R7: alkyl with 1 to 10 atoms of C, alkenyl with 1 at 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 straight, branched or cyclic straight chain organic radical with at least double link C = C or me We have an epoxide function and at least 4 to 50 carbon atoms and up to 10 heteroatoms of the group O, N and S, A: O, S, NHC (O) O, NHC (O) NR8, OC (O) NH, OC (O), C (O) O, X: H, halogen, hydroxy, acyloxy, alkylcarbonyl, NR82, alkoxy and alkoxycarbonyl, the acyl, alkyl and alkoxy radicals having 1 to 10 C atoms, R8: H, alkyl having 1 at 10 atoms of C, aryl with 6 to 18 atoms of C, 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%, referred to the condensate of A1, A2 and A3, of condensable organic monomers in the form of sol-gel, and A3. 0 to 40 mol%, referring to the condensate of A1, A2 and A3, of one or more condensible silicon compounds in the form of sol-gel and, possibly, of other elements of group B, Al, P, Sn, Pb, of transition metals, lanthanides and actinides, the sum of the amounts of A2 and A3 must be exceeded by 40% by mole, and the amounts of A1, A2 and A3 must be completed up to 100 mol%.