Abstract: Radically polymerizable dental material, which includes a catalyst paste and a base paste, wherein the catalyst pastes includes an oxidizing agent, preferably a peroxide or hydroperoxide, a radically polymerizable monomer and/or oligomer with acid group and a polyfunctional radically polymerizable monomer, and the base paste comprises a polyfunctional radically polymerizable monomer without an acid group and a dihydropyridine derivative of Formula (1) The material has good mechanical properties and does not exhibit a bitter taste.

Abstract: Dental material which comprises at least one compound of formula I, in which R1 is a linear, branched or cyclic aliphatic C1-C30 hydrocarbon radical or an aromatic C6-C30 hydrocarbon 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 —COOR2, —CON(R3R4)—, an aromatic C6-C10 hydrocarbon radical or CN, wherein R2, R3, R4 in each case independently of each other is hydrogen, a linear, branched or cyclic aliphatic C1-C30 hydrocarbon radical or an aromatic C6-C30 hydrocarbon 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.

Abstract: 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.

Abstract: 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).

Abstract: 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 C1-C50 hydrocarbon 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.

Abstract: 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.

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

Abstract: Dental material which comprises at least one compound of formula I, in which R1 is a linear, branched or cyclic aliphatic C1-C30 hydrocarbon radical or an aromatic C6-C30 hydrocarbon 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 -COOR2—, -CON(R3R4)—, an aromatic C6-C10 hydrocarbon radical or CN, wherein R2, R3, R4 in each case independently of each other is hydrogen, a linear, branched or cyclic aliphatic C1-C30 hydrocarbon radical or an aromatic C6-C30 hydrocarbon 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.

Abstract: 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.

Abstract: The present invention relates to polymerizable and photochemically crosslinkable compositions which contain at least one polymerizable benzaldehyde derivative according to general formula I and which are suitable as materials for technical and medical applications, for example in surgery or ophthalmology, and in particular as dental materials.

Abstract: Acyl germanium compound according to general formula [RmAr—(C?O)—]4—Ge and process for the preparation thereof. The compound is suitable as initiator for radical polymerization.

Abstract: Radically polymerizable silane according to the general formula I in which R1 is a linear or branched aliphatic C1-C9-alkyl radical, phenyl or alkylated phenyl radical, R2, R3 independently of each other in each case are absent or are a linear or branched aliphatic C1-C20-alkylene radical, which can be interrupted by S or O atoms, R4, R5, R6 independently of each other in each case are —Cl, —O—CH3, —O—C2H5, —CH3 or —C2H5, X is CH2 or O, Y is absent, or is O or NR?, wherein R? is H or a C1-5-alkyl radical, and Z is absent, or is O, NR?, —CO—O—, —CO—NR?—, —O—CO—O—, —O—CO—NR?—, or —NR?—CO—NR?—, wherein R? is H or a C1-5-alkyl radical and wherein the radicals R2 and R3 cannot be absent at the same time and Z is absent if R2 or R3 is absent, polycondensates based thereon and fillers surface-modified therewith.

Abstract: Radically polymerizable dental material, which contains at least one sulphonic acid ester of Formula 1: in which A is H, CN, an aromatic, cycloaliphatic, linear or branched aliphatic C1-C30-hydrocarbon radical or a combination thereof; X is COO— or —CON(R1)— or is absent; B is an aromatic, cycloaliphatic, linear or branched aliphatic C1-C30-hydrocarbon radical, or a combination thereof; R1 is hydrogen or an aromatic, cycloaliphatic, linear or branched aliphatic C1-C10-hydrocarbon radical; m is an integer from 1 to 6, n is an integer from 1 to 6 and p is an integer from 1 to 6; wherein m and p cannot simultaneously be greater than 1. The compounds of Formula 1 are active as chain transfer agents in radical polymerization.

Abstract: The invention relates to a polymerizable composition which comprises a thermolabile polymerizable compound of Formula I: A-[X-(T-X-Sp-X)p-T-X-Q-(Z)n]m?? Formula I, wherein T represents a thermolabile Diels-Alder or hetero-Diels-Alder group of the Formula The invention also relates to the use of the polymerizable composition according to the present invention and the compounds of Formula I according to the present invention as polymerization resin or for the preparation of polymerization resins and polymerizates such as adhesives, composites, stereolithographic materials, shaped parts, duromers and mounting and fixing elements, and as dental material and for the preparation of dental materials such as adhesives, cements and filling composites.

Abstract: Acyl germanium compound according to general formula [RmAr—(C?O)—]4—Ge and process for the preparation thereof. The compound is suitable as initiator for radical polymerization.

Abstract: Radically polymerizable composition which contains at least one vinyl ether according to general formula I: in which the variables have the following meanings: A is H, CN, a cycloaliphatic, linear or branched aliphatic C1-C30 hydrocarbon residue, an aromatic C6-C30 hydrocarbon residue or a combination thereof; X is —COO—, —CON(R3)— or is dispensed with; B is H, CN, a cycloaliphatic, linear or branched aliphatic C1-C30 hydrocarbon residue, an aromatic C6-C30 hydrocarbon residue or a combination thereof; Y is —COO—, —CON(R3)— or is dispensed with; R1-3 in each case independently of one another are hydrogen, a cycloaliphatic, linear or branched aliphatic C1-C10 hydrocarbon residue or an aromatic C6-C10 hydrocarbon residue; m is an integer from 1 to 6; n is an integer from 1 to 6; p is an integer from 1 to 6; wherein m and p cannot be greater than 1 at the same time and wherein if m=1, p=n, and if p=1, m=n.

Abstract: The present invention relates to polymerizable and photochemically crosslinkable compositions which contain at least one polymerizable benzaldehyde derivative according to general formula I and which are suitable as materials for technical and medical applications, for example in surgery or ophthalmology, and in particular as dental materials.

Abstract: Acyl germanium compound according to general formula [RmAr—(C?O)—]4—Ge and process for the preparation thereof. The compound is suitable as initiator for radical polymerization.

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

Abstract: Radically polymerizable dental material, which contains at least one compound of Formula I: and at least one thermolabile radically polymerizable compound and/or at least one photolabile radically polymerizable compound. The materials are characterized by debonding-on-demand properties.