摘要:
The invention relates to a dental restorative material which comprises a thermolabile or photolabile polymerizable compound of Formula I: [(Z1)m-Q1-X)]k-T-[Y-Q2-(Z2)n]l Formula I, in which T represents a thermolabile or photolabile group, Z1 and Z2 in each case independently represent a polymerizable group selected from vinyl groups, CH2═CR1—CO—O— and CH2═CR1—CO—NR2— or an adhesive group selected from —Si(OR)3, —COOH, —O—PO(OH)2, —PO(OH)2, —SO2OH and —SH, wherein at least one Z1 or Z2 is a polymerizable group, Q1 in each case independently is missing or represents an (m+1)-valent linear or branched aliphatic C1-C20 radical which can be interrupted by —O—, —S—, —CO—O—, —O—CO—, —CO—NR3—, —NR3—CO—, —O—CO—NR3—, —NR3—CO—O— or —NR3—CO—NR3—, Q2 in each case independently is missing or represents an (n+1)-valent linear or branched aliphatic C1-C20 radical which can be interrupted by —O—, —S—, —CO—O—, —O—CO—, —CO—NR3—, —NR3—CO—, —O—CO—NR3—, —NR3—CO—O— or —NR3—CO—NR3—, X and Y in each case independently are missing or represent —O—, —S—, CO—O—, —O—CO—, —CO—NR3—, —NR3—CO—, —O—CO—NR3—, —NR3—CO—O— or —NR3—CO—NR3—, R, R1, R2 and R3 in each case independently represent H or a C1-C7 alkyl radical and k, l, m and n in each case independently are 1, 2 or 3.
摘要:
The invention relates to a dental restorative material which comprises a thermolabile or photolabile polymerizable compound of Formula I: [(Z1)m-Q1-X)]k-T-[Y-Q2-(Z2)n]1 Formula I, in which T represents a thermolabile or photolabile group, Z1 and Z2 in each case independently represent a polymerizable group selected from vinyl groups, CH2═CR1—CO—O— and CH2═CR1—CO—NR2— or an adhesive group selected from —Si(OR)3, —COOH, —O—PO(OH)2, —PO(OH)2, —SO2OH and —SH, wherein at least one Z1 or Z2 is a polymerizable group, Q1 in each case independently is missing or represents an (m+1)-valent linear or branched aliphatic C1-C20 radical which can be interrupted by —O—, —S—, —CO—O—, —O—CO—, —CO—NR3—, —NR3—CO—, —O—CO—NR3—, —NR3—CO—O— or —NR3—CO—NR3—, Q2 in each case independently is missing or represents an (n+1)-valent linear or branched aliphatic C1-C20 radical which can be interrupted by —O—, —S—, —CO—O—, —O—CO—, —CO—NR3—, —NR3—CO—, —O—CO—NR3—, —NR3—CO—O— or —NR3—CO—NR3—, X and Y in each case independently are missing or represent —O—, —S—, CO—O—, —O—CO—, —CO—NR3—, —NR3—CO—, —O—CO—NR3—, —NR3—CO—O— or —NR3—CO—NR3—, R, R1, R2 and R3 in each case independently represent H or a C1-C7 alkyl radical and k, l, m and n in each case independently are 1, 2 or 3.
摘要:
Dental material which contains a polymerizable phthalic acid derivative of the general Formula I: with R1=H, methyl or a C1-C5 alkyl residue; R2=H, a phenyl, benzyl or C1-C8 alkyl residue; Q1=is absent or is a C1-C15 alkylene residue, wherein the carbon chain can be interrupted by O or S; Q2=is absent or a (n+1)-valent aliphatic C1-C20 residue, wherein the carbon chain can be interrupted by O or S and wherein Q1 and Q2 cannot be absent simultaneously; X=is absent, is O, S or (—CO—NR4—)—, wherein R4 is H, CH3 or C2H5; Y=is absent, is O, S or (—CO—NR5—)—, wherein R5 is H, CH3 or C2H5; n, m=independently of one another in each case mean 1, 2 or 3; R3=H, CH3, C2H5, Cl, Br or OCH3, and wherein the two carboxyl groups of the benzene ring can together form an anhydride group.
摘要:
A composition, containing a carrier medium and particles based on a metal compound with a weight-average particle diameter of 1 nm to 10 μm is useful to clean metal or ceramic surfaces which are part of a dental restoration or of an implant abutment.
摘要:
The invention relates to an adhesion-promoter composition for the adhesive joining of metallic or ceramic dental materials to radically curing dental materials, wherein the adhesion-promoter composition contains an alkoxysilane monomer (i), a phosphoric acid ester monomer (ii), a sulphur-containing monomer (iii) and an organic solvent (iv).
摘要:
The invention relates to a dental restorative material which comprises (a) at least one antimicrobially active compound of Formula (I) [AG]m-R1—Z—SP—Y—R2—[WG]p (I), or a filler that is surface-modified with at least one compound of Formula (I), (b) at least one radically polymerizable monomer and (c) at least one initiator for the radical polymerization. The invention also relates to a use of such dental restorative material for the preparation of an adhesive, primer, cement, coating material or filling material. The invention also relates to a dental material which comprises at least one compound of Formula (I), as well as a use of a compound of Formula (I) for modifying the surface of a substrate selected from ceramic materials, noble and non-noble metals, hard tooth structure, tooth enamel, dentine, collagen, soft tissue, mucous membrane and leather.
摘要:
A composition, containing a carrier medium and particles based on a metal compound with a weight-average particle diameter of 1 nm to 10 μm is useful to clean metal or ceramic surfaces which are part of a dental restoration or of an implant abutment.
摘要:
The present invention relates to halogen-free, oligomeric or polymeric phosphonic acids made up of units of the general formula (I) —[(O)m—{R1(X)n(Y)o}pR1(X)q]r—[(O)s—R5(X)t]v— (I), where: Xis —P═O(OH)2, Yis carbonyl or sulfonyl, R1, R5are, independently of one another, divalent or polyvalent, substituted or unsubstituted, heteroatom-free or heteroatom- comprising aromatic radicals, m, o, sare each, independently of one another, 0 or 1, n, q, tare each, independently of one another, 0 or an integer from 1 to 8, with n and s not simultaneously being 0, r, vare each, independently of one another, from 0 to 1, with the sum of r and v being from 0.95 to 1.05, and pis 0 or an integer ≧1, where the radicals X are substituents on R1 and R5 and the radicals Y are parts of polymer or oligomer chain, to a process for preparing these compounds and also to halogen-free mixtures comprising one or more compounds of the general formula (I) and a nitrogen-free solvent having a boiling point of >150° C.
摘要:
The present invention relates to oligomeric or polymeric siloxanes comprising phosphonic acid groups, a process for preparing them, oligomeric or polymeric siloxanes comprising silyl phosphonate and/or alkyl phosphonate groups, blends comprising at least one oligomeric or polymeric siloxane according to the invention comprising polyphosphonic acid groups and/or at least one oligomeric or polymeric siloxane comprising silyl phosphonate and/or alkyl phosphonate groups and at least one further polymer, membranes, films or composites comprising at least one oligomeric or polymeric siloxane according to the invention comprising phosphonic acid groups and/or at least one oligomeric or polymeric siloxane according to the invention comprising silyl polyphosphonate and/or alkyl polyphosphonate groups or a blend according to the invention, and also various uses of oligomeric or polymeric siloxanes comprising phosphonic acid groups and/or oligomeric or polymeric siloxanes comprising silyl phosphonate and/or alkyl phosphonate groups or blends according to the invention.
摘要:
The present invention relates to halogen-free, oligomeric or polymeric phosphonic acids made up of units of the general formula (I) —[(O)m—{R1(X)n(Y)o}pR1(X)q]r—[(O)s—R5(X)t]v— (I), where: Xis —P═O(OH)2, Yis carbonyl or sulfonyl, R1, R5are, independently of one another, divalent or polyvalent, substituted or unsubstituted, heteroatom-free or heteroatom- comprising aromatic radicals, m, o, sare each, independently of one another, 0 or 1, n, q, tare each, independently of one another, 0 or an integer from 1 to 8, with n and s not simultaneously being 0, r, vare each, independently of one another, from 0 to 1, with the sum of r and v being from 0.95 to 1.05, and pis 0 or an integer ≧1, where the radicals X are substituents on R1 and R5 and the radicals Y are parts of polymer or oligomer chain, to a process for preparing these compounds and also to halogen-free mixtures comprising one or more compounds of the general formula (I) and a nitrogen-free solvent having a boiling point of >150° C.