Dental materials based on polysiloxanes

Details Dental materials based on polysiloxanes Dental materials based on polysiloxanes

A - Human Necessities

61

K

A61K 6/093 (2006.01)

Patent

CA 2296227

The invention relates to dental materials which contain at least one polysiloxane based on one or several silanes according to formula (I) [(W q-R6-Z)p -R3]m Y-R2-SiX n R 1 3-n Formula (I) in which X stands for a halogen atom, a hydroxyl, alkoxy and/or acyloxy group; n is equal to 1 to 3, R1 stands for an alkyl, alkenyl, aryl, alkylaryl, arylalkyl group; R2 stands for an alkylene group; R3 stands for a p-time substituted, straight, branched or cyclic, saturated or unsaturated, aromatic or aliphatic organic radical with 2 to 40 carbon atoms and optionally 1 to 6 heteroatoms; R6 stands for a q-times substituted, straight, branched or cyclic organic radical with 1 to 20 carbon atoms or is absent; p is equal to 1 to 6; q is equal to 1 to 6; Y stands for -NR4-, N or -(C=O)-NH-; m is equal to 2 for Y = N and equal to 1 for Y = -NR4-, or -(C=O)-NH-; R4 stands for an alkyl or aryl group; Z stands for O, S, -(C=O)-O-, -(C=O)-NH-, -O-(C=O)-NH- or is absent; W stands for CH2=CR5-(C=O)-O-; and R5 stands for a hydrogen atom or an alkyl group and optionally one or several further hydrolytically condensable compounds of silicon, aluminium, zirconium, titanium, boron, tin, vanadium and/or phosphorus.

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