C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/40 (2006.01) A61K 6/00 (2006.01) A61K 6/093 (2006.01) C07F 7/18 (2006.01) C08G 77/28 (2006.01) C08G 77/30 (2006.01)
Patent
CA 2446256
A composition including nanoparticles each having an acidic polymerizable siloxane moiety. For example, a hydrolysis stable, self-etching, self-priming dental adhesive composition including 90 to 10 percent by weight of an aqueous phase, and 10 to 90 percent by weight of acidic polymerizable nanoparticles. The acidic poylmerizable nanoparticles are obtainable by hydrolysis of a mixture containing one or more hydrolyzable organosilicon compounds wherein (i) at least a portion of the hydrolyzable organisilicon compounds contains one or more polymerizable groups and (ii) at least a portion of the hydrolyzable organisilicon compounds contain one or more acidic moieties.
L'invention concerne une composition contenant des nanoparticules ayant chacune une fraction siloxane acide polym~risable. Par exemple, l'invention a trait ~ une composition dentaire adh~sive stable ~ l'hydrolyse, ~ auto-mordan×age, auto-apprÚtante contenant 90 ~ 10 % en poids d'une phase aqueuse, et 10 ~ 90 % en poids de nanoparticules acides polym~risables. Les nanoparticules acides polym~risables peuvent Útre obtenues par hydrolyse d'un m~lange contenant un ou plusieurs compos~s d'organosilicium hydrolysables dans lequel (i) au moins une partie des compos~s d'organosilicium hydrolysables contient un ou plusieurs groupes polym~risables et (ii) au moins une partie des compos~s d'organosilicium hydrolysables contient une ou plusieurs fractions acides.
Klee Joachim E.
Lehmann Uwe
Walz Uwe
Dentsply International Inc.
Smart & Biggar
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