Abstract:
The present invention relates to an alkylenediamine-N,N,N′,N′-tetraacetic acid-(meth)acrylamide of formula (I) The invention also relates to a polymerizable composition which is characterized in that it comprises at least one alkylenediamine-N,N,N′,N′-tetraacetic acid-(meth)acrylamide of formula (I), and its use in particular as dental material.
Abstract:
Dental material being polymerizable by ring-opening metathesis polymerization comprising (i) at lest one ruthenium complex bearing at least one N-heterocyclic carbene ligand or precursors which generate a ruthenium complex bearing at least one N-heterocyclic carbene ligand in situ; and (ii) at least one cyclic olefin capable of metathesis.
Abstract:
Composition with at least one polymerizable binder and at least one polymerization initiator, which contains at least one acylgermanium compound according to general Formula (I), in which R0 is a substituted or unsubstituted C1-18-alkyl radical or an acyl group; R1 and R2 are H, an acyl group or have one of the meanings given for R3; R3 is a branched or linear C1-18-alkyl radical which can be unsubstituted or substituted one or more times by —O—, —NH—, —NR—, —S— or interrupted by other groups, trimethylsilyl, hal-(CH3)2Si—[OSi(CH3)2]r−, (CH3)3Si—[OSi(CH3)2]r—, —COOH, —COO—R10, —CO—NR11R12, —CO-vinyl, —CO-phenyl, phenyl-C1-4-alkyl, phenyl, naphthyl or biphenyl, C5-12 cycloalkyl, a 5 or 6-membered O, S or N-containing heterocyclic ring, halogen, OH, an aromatic C6-30 radical which can be substituted or unsubstituted and/or interrupted by O, S or —NR—, or a branched, cyclic or linear C1-20 alkyl, -alkenyl, -alkoxy or -alkenoxy radical; m is 1, 2 or 3; n is 0 or 1 and p is 0 or 1; wherein in each case two of the radicals R0, R1, R2 or R3 can be connected to each other accompanied by the formulation of a 5 to 8 member ring; and the use of acylegermanium compounds of Formula (I), for example, as initiator for radical polymerization.
Abstract:
A material contains at least a polymerizable N,O-functionalized acrylic acid hydroxyamide of the Formula (I) in which A is an n+m-valent linear or branched aliphatic C1 to C50 radical, in which the carbon chain can be interrupted by O, S, —CO—O—, CO—NH, O—CO—NH or NH—CO—NH, an n+m-valent aromatic C6 to C18 radical or an n+m-valent cycloaliphatic or heterocyclic C3 to C18 radical, wherein the radicals can carry one or more substituents, Y is not present, or is O, S, an ester, amide or urethane group, R1 is hydrogen, an aliphatic C1 to C20 alkyl or C3 to C8 cycloalkyl radical which can carry one or more substituents, R2 is H or a C1 to C10 alkyl radical, R3 is not present or is a C1 to C16 alkylene radical which can be interrupted by O, HG is not present, is —COOH, —P═O(OH)2; —P═O(OH)(OR4); —O—P═O(OH)2, —SO2OH or —O—P═O(OH)(OR4), R4 is a C1 to C15 alkyl radical, phenyl or benzyl radical and n is a number from 1 to 5 and m a number from 0 to 3.
Abstract:
The present invention relates to an inorganic dental powder, coated with at least one layer comprising inorganic and/or organic substances or consisting thereof, and to a process for its preparation.
Abstract:
Bicyclic cyclopropane derivatives of the general Formula (I) in which n+m is 0 to 8; r is 1 to 4; R1 is absent or is a C1-C20 alkylene radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, a bicyclic C4-C12 radical, a C6-C14 arylene or C7-C20 alkylenearylene radical; R2 is for r=1 a C1-C20 alkyl radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, a bicyclic C4-C12 radical, a C6-C14 aryl or a C7-C20 alkylaryl radical; is for r>1 an r-times substituted aliphatic C1 to C20 radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, an aromatic C6-C14 radical or aliphatic-aromatic C7-C20 radical; X is absent or is —CO—O—, —CO—NH— or —O—CO—NH—, and Y is CH2, O or S which is suitable in particular for the preparation of dental materials.
Abstract:
Bicyclic cyclopropane derivatives of the general Formula (I) in which n+m is 0 to 8; r is 1 to 4; R1 is absent or is a C1-C20 alkylene radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, a bicyclic C4-C12 radical, a C6-C14 arylene or C7-C20 alkylenearylene radical; R2 is for r=1 a C1-C20 alkyl radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, a bicyclic C4-C12 radical, a C6-C14 aryl or a C7-C20 alkylaryl radical; is for r>1 an r-times substituted aliphatic C1 to C20 radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, an aromatic C6-C14 radical or aliphatic-aromatic C7-C20 radical; X is absent or is —CO—O—, —CO—NH— or —O—CO—NH—, and Y is CH2, O or S which is suitable in particular for the preparation of dental materials.
Abstract:
Cyclopropyl acrylate of general formula (1), constitutional and stereoisomers thereof and their mixtures in which A is selected from: Y for A=A1 is absent, CH2 or 0, and for A=A2=CH2 or 0; n for Y is absent=0, 1, 2 or 3, and for Y=CH2 or 0=1; m for Y is absent=0, 1, 2 or 3, and for Y=CH2 or 0=1; r=1, 2, 3 or 4; R1=H, a C1 to C10 alkyl, C6 to C12 aryl, C1 to C10 arylalkyl or bicyclic C5-C12 radical or —R10—X—; R2=an aliphatic C1-C20 hydrocarbon radical, substituted r times by the expression in brackets, which can be interrupted by O or S, cycloaliphatic C4-C12 radical, bicyclic C5-C12 radical, a C6-C14 aryl or C7-C20 alkylaryl radical; R3=—CO—OR9, —CO—R9, —S(O)R9, SO2R9, —SO2(OR9), —PO(OR9)2, —CN, —H, —R9; R4=—CO—OR9, —CO—R9, —S(O)R9, —SO2R9, —SO2(OR9), —PO(OR9)2, —CN or —R11—R10—X—; R5-R8=independently of one another H, —CO—OR9, —CO—NHR9, —CO—NR92, —CO—R9, —CN, a C1-C20 alkyl radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, a bicyclic C5-C12 radical, a C6-C14 aryl, C7-C20 alkylaryl radical, or at least two of the radicals form together with the carbon atoms to which they are bonded a 5- to 8-membered ring system; R9=a C1-C20 alkyl radical which can be interrupted by O or S, a cycloaliphatic C4-C12 radical, a bicyclic C5-C12 radical, a C6-C14 aryl or C7-C20 alkylaryl radical; R10=is absent or a C1-C20 alkylene radical which can be interrupted by O or S, a cycloaliphatic or bicyclic C5-C12 radical, a C6-C14 arylene or C7-C20 alkylenearylene radical; R11=—COO—, —CO—, —SO—, —SO2—, —SO2(O—), —PO(OR9)(O—); X=is absent, —O—CO—, —CO—O—, —NH—CO—, —CO—NH—, —NH—CO—O— or —O—CO—NH—, wherein X has the meaning “is absent” if R10 is absent, wherein the radicals R2 and R5-9 can be substituted or unsubstituted, either R4=—R11—R10—X— or R1=—R10—X— and the expression in brackets is bonded to R2 via X and wherein several radicals of one type can be identical or different.
Abstract:
Dental materials which contain a radically polymerizable organic binder, at least one radical polymerization initiator and at least one radical polymerization accelerator, both the initiator and the accelerator each having at least one radically polymerizable group.
Abstract:
Hydrolysis-stable and polymerizable acrylophosphonic acid monoesters with the general formula (I) which are particularly suitable as a component of dental materials are disclosed.