2-Komponenten-Dentalmaterialien auf Basis von Vernetzter Polymerteilchen mit Acylthioharnstoffgruppen

Details

Veröffentlichungs-Nr.

EP4591847

Aktenzeichen

EP24153454

Anmeldetag

23. Januar 2024

Veröffentlichung

30. Juli 2025

Rechtsraum

EP

IPC

A61K6/887C08F2/38C08F220/18C08F222/10C08F265/06C09D4/06C08F4/40A61K6/76A61K6/77C08F2/48C08F2/50C08F4/04C08F4/34A61K6/61// A61C13/08

Abstract

Crosslinked polymeric particles obtainable by copolymerization, in the presence of a chain transfer reagent, of at least one difunctional radically polymerizable monomer, optionally at least one monofunctional radically polymerizable monomer and at least one thiourea derivative according to the following Formula (I):in which R is an (n+1)-valent, aromatic, aliphatic, linear or branched C₁-C₅₀ hydrocarbon radical, which can be interrupted by one or more, preferably 1 to 8, particularly preferably 1 to 6, ether, thioether, ester, amide or urethane groups; PG is a radically polymerizable (meth)acrylate, (meth)acrylamide or vinyl group and n is 1 or 2. In combination with a hydroperoxide, the crosslinked polymeric particles are suitable as redox initiator system for the free-radical polymerization of compositions comprising at least one radically polymerizable monomer. These compositions are particularly suitable as dental materials.

Anmelder

Firma

Ivoclar Vivadent AG

Land

🇱🇮 Liechtenstein

Fachgebiete