Patent ID: 6569917
Filing Date: 2003-05-27
Classification: A61K

Abstract:
A dental material, comprising a polysiloxane which comprises an inorganic network of Siâ€”Oâ€”Si units prepared from the condensation reaction of a plurality of monomeric silanes according to Formula (I)[(Wqâ€”R6â€”Z)pâ€”R3]mYâ€”R2â€”SiXnR13âˆ’nâ€ƒâ€ƒFormula (I) in whichXstands for a halogen atom, a hydroxyl, alkoxy and/or acyloxy group;nis equal to 1 to 3;R1stands for an alkyl, alkenyl, aryl, alkylaryl, arylalkyl group;R2stands for an alkylene group;R3stands for a p-times substituted, straight, branched or cyclic,saturated or unsaturated, aromatic or aliphatic organic radicalwith 2 to 40 carbon atoms and optionally 1 to 6 heteroatoms;R6stands for a q-times substituted, straight, branched or cyclicorganic radical with 1 to 20 carbon atoms, or is absent;pis equal to 1 to 6;qis equal to 1 to 6;Ystands for â€”NR4â€”, N or â€”(C&boxH;O)â€”NHâ€”;mis equal to 2 for Y = N and equal to 1 for Y = â€”NR4â€” orâ€”(C&boxH;O)â€”NHâ€”;R4stands for an alkyl or aryl group;Zstands for O, S, â€”(C&boxH;O)â€”Oâ€”, â€”(C&boxH;O)â€”NHâ€”,â€”Oâ€”(C&boxH;O)â€”NHâ€” or is absent;Wstands for CH2&boxH;CR5â€”(C&boxH;O)â€”Oâ€”;R5stands for hydrogen atom or an alkyl group and optionally oneor several hydrolytically condensable compounds of silicon,aluminium, zirconium, titanium, boron, tin, vanadium and/orphosphorus.