Ivoclar Vivadent Ag

Ivoclar Ag

Technische Universitāt Wien

Karlsruher Institut Fur Technologie

Technicshe Universität Wien

Haraeus Kulzer Gmbh

Norbert Moszner

Volker Rheinberger

Urs Karl Fischer

Iris Lamparth

Ulrich Salz

Frank Zeuner

Peter Burtscher

Robert Liska

Yohann Catel

Jörg Angermann

Thorsten Bock

Christian Gorsche

Alexandros Gianasmidis

Sabine Stein

Thomas Voelkel

Armin De Meijere

Kai Rist

Jörg Zimmermann

Urs-Karl Fischer

Thomas V&ouml;lkel

Simone Klapdohr

Helmut Ritter

Ulrich Sigmar Schubert

Wolfgang Josef Wachter

Martin Hager

Harald Stüger

Karin Vogel

Michael Haas

Sven Tauscher

Jorg Angermann

Konstanze Seidler

Thomas Völkel

Andr&eacute; Rumphorst

Jürgen Stampfl

Andreas Utterodt

Thomas Hirt

Heinrich Gruber

Dieter Voser

Kurt Grabher

Bobby Happ

Benedict Sandmann

Angela Mucke

Beate Ganster

Pascal Fässler

Georg Gescheidt Demner

Gernot Peer

Michael Westphal

Monir Tabatabai

Christian Ritzberger

Wolfram Höland

Marcel Schweiger

Rolf Mulhaupt

Jörg Ebert

Franz Stelzer

Harald Kerschbaumer

Christoph Weder

Gerhard Zanghellini

Rolf Mülhaupt

Sotiris Emmanuel Pratsinis

Wolfram H&ouml;land

Johannes Patzer

Christoph Appert

Brigitte Isabell Voit

Patrick Knaack

Ulrich Schubert

Benjamin Gebhardt

Johannes Homa

Martina Hauner-Westphal

Andre Rumphorst

Paul Gauss

Doris Pospiech

Rolf Mühlhaupt

Werner Längle

Lutz Mädler

Armin Burgath

Rüdiger Landers

Thomas Köhler

Gina Fiore

Moritz Mitterbauer

Christian Heinzmann

Bernd Strehmel

Thomas Brömme

Astrid Gugg

Matthias Schaub

Urs Karl Fisher

Ricardo Dellagiacoma

John Hendrik

Viktor Bahutski

Christopher Barner-Kowollik

Gerald Ullrich

Tim Krappitz

Sonja Smolak

Giancarlo Galli

Florian Feist

Marina Ragnoli

Emo Chiellini

Alfred Noels

Lionel Delaude

Radically polymerizable dental material, which includes a combination of a hydroperoxide and a thiourea derivative according to the following Formula (I) as initiator system for the radical polymerization: in which R is absent or is an (n+1)-valent, aromatic, aliphatic, linear or branched C-Chydrocarbon radical, which can be interrupted by one or more ether, thioether, ester, amide or urethane groups; PG is a radically polymerizable (meth)acrylate, (meth)acrylamide or vinyl group; and n is 1, 2 or 3.

Dental materials based on polymerizable thiourea derivatives

Radically polymerizable dental material, which contains at least one ABA or AB block copolymer, preferably at least one monofunctional, radically polymerizable monomer (a) and preferably at least one radically polymerizable urethane di(meth)acrylate telechel (b).

Transparent, fracture-tough polymerization resins for the production of dental shaped bodies

Dental material which comprises at least one compound of formula I, in which Ris a linear, branched or cyclic aliphatic C-Chydrocarbon radical or an aromatic C-Chydrocarbon radical, wherein the aliphatic or aromatic hydrocarbon radical can be substituted or unsubstituted and wherein aliphatic hydrocarbon radicals can be interrupted by one or more urethane groups, ester groups, oxygen atoms and/or sulfur atoms; X, Y, Z independently of each other in each case are &#x2014;COOR, &#x2014;CON(RR)&#x2014;, an aromatic C-Chydrocarbon radical or CN, wherein R, R, Rin each case independently of each other is hydrogen, a linear, branched or cyclic aliphatic C-Chydrocarbon radical or an aromatic C-Chydrocarbon radical, wherein the aliphatic or aromatic hydrocarbon radical can be substituted or unsubstituted and wherein aliphatic hydrocarbon radicals can be interrupted by one or more oxygen atoms, and m is 2 or 3.

Dental materials based on cyclopolymerizable crosslinkers

Radically polymerizable material, which contains (a) 0.01 to 5 wt.-% of at least one transfer reagent, (b) 5 to 60 wt.-% of at least one multifunctional (meth)acrylate or a mixture of mono- and multifunctional (meth)acrylates, (c) 0.01 to 3.0 wt.-% of a mixture of at least one monomolecular and at least one bimolecular photoinitiator, (d) 30 to 90 wt.-% of at least one filler, and (e) optionally additive(s), wherein the material contains as transfer reagent (a) at least one allyl sulfone of Formula I and/or a vinyl sulfone ester of Formula II.

Photopolymerizable dental composites with rapid curing and low shrinkage stress

Radically polymerizable dental material which contains at least one compound of Formulae I to III:  The material preferably additionally contains a radically polymerizable monomer, an initiator for the radical polymerization and filler. It is characterized in particular by a low polymerization contraction stress.

Composite with reduced polymerization shrinkage stress

Compounds according to general formula (I) in which M is Ge or Sn, RAr is R, R, R, R, R, independently of one another in each case, are &#x2014;H, &#x2014;F, &#x2014;Cl, &#x2014;OR, &#x2014;SR, &#x2014;N(R), &#x2014;CF, &#x2014;CN, &#x2014;NO, &#x2014;COOR, &#x2014;CONHR, a branched, cyclic or preferably linear Calkyl, Calkenyl, Calkyloxy or a Calkenoxy radical, which can be interrupted one or more times by O, S or &#x2014;NR&#x2014; and substituted by one or more polymerizable groups and/or radicals R, Ris H, a branched, cyclic or preferably linear Calkyl or Calkenyl radical, Ris a chemical bond, an n-valent aromatic radical or a branched, cyclic or preferably linear Calkylene radical, which can be interrupted one or more times by O, S or &#x2014;NR&#x2014; and substituted by one or more polymerizable groups, &#x2550;O and/or radicals R, n is 2 or 3 and m is 0 or 1. The compounds are particularly suitable as photoinitiators for radical polymerization and in particular for the production of dental materials.

Long-wave absorbing photoinitiators

Dental material which contains (a) at least one mono- or multifunctional radically polymerizable monomer, (b) at least one organic halogen compound as initiator for the radical polymerization, (c) at least one transition metal compound as catalyst and (d) at least one reducing agent. The material is characterized by a high storage stability at room temperature and does not have the disadvantages associated with peroxides.

Dental composites with improved storage stability

Radically polymerizable dental material, which contains a combination of a thiourea derivative and a hydroperoxide according to the following Formula (I) as initiator system for the radical polymerization: 

Dental materials based on redox systems with low-odour cumene hydroperoxide derivatives

Radically polymerizable composition which contains at least one vinyl ether according to general formula I: 

Polymer materials with unsaturated transfer reagents

Radically polymerizable dental material, which contains a combination of a thiourea derivative, a hydroperoxide and at least one peroxide as well as a transition metal compound as initiator system for the radical polymerization.

Dental materials with improved mechanical properties

Radically polymerizable dental material, which contains a combination of a thiourea derivative, a hydroperoxide and at least one peroxide as initiator system for the radical polymerization.

Dental materials with improved setting behaviour

Polymerizable compositions are described which contain, as photoinitiator, at least one acyltin compound according to the general formula (I): 

Polymerizable compositions with acyltin photoinitiators

Vinylcyclopropane of general formulae I in which X, Y in each case are O or NH, wherein X and Y cannot have the same meaning, Ris a linear or branched C-C-alkyl radical, which can be interrupted by O, S, an ester group or a urethane group, Ris a linear or branched C-C-alkylene radical, which can be interrupted by O, S, an ester group or a urethane group, Ris a hydrocarbon radical with 1 to 20 carbon atoms, which additionally can contain one or more N, O or S atoms, and n is 1, 2, 3 or 4, preferably 1 or 2. The vinylcyclopropanes are characterized by a low shrinkage and a high reactivity on radical polymerization and are suitable in particular for the preparation of dental materials.

Dental materials based on urethane-group-containing vinylcyclopropane derivatives

The invention relates to a radically polymerizable dental material having photochromic properties, which contains at least one compound of formula (I) and optionally radically polymerizable monomers, an initiator for radical polymerization and other components.

Dental materials with light-induced reversible coloring

The invention relates to the use of sulfonic acid esters of the following Formula 1 and/or Formula 2, individually or as a mixture of more than one thereof, as regulators in polymerization reactions of radically polymerizable, ethylenically unsaturated monomers: whereinA in each case independently is selected from H, CN, linear, branched or cyclic aliphatic or aromatic C-Chydrocarbon residues;X in each case independently is &#x2014;COO&#x2014; or &#x2014;CON(R)&#x2014;, wherein the binding to A occurs via O or N, or is absent if A is an aromatic hydrocarbon residue or CN;B in each case independently is selected from linear, branched or cyclic aliphatic or aromatic C-Chydrocarbon residues;Rin each case independently is selected from hydrogen and linear, branched or cyclic aliphatic or aromatic C-Chydrocarbon residues, which are optionally substituted with one or more OH groups, wherein the aliphatic hydrocarbon residues are optionally interrupted by one or more oxygen atoms; andn in each case independently is an integer from 1 to 6.

Sulfonic acid esters as regulators in radical polymerization reactions

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Norbert Moszner