摘要:
The present invention relates to dental materials comprising liquid, nanoparticulate functionalized hydrophobic co-condensates of tetraalkyl silicates with functionalized trialkoxysilanes of the formula I P—(CH2)n—Si(OR)3 where P, R and n independently of one another have the following meanings: P=a polymerizable CH2═CH—, CH2═CH—O—, styryl, (meth)acrylic or (meth)acrylamide group or an SH group capable of polyaddition, R=methyl, ethyl or propyl and n=from 3 to 15, which can be prepared by co-condensation of tetraalkyl silicates with alkyltrialkoxysilanes functionalized in the ω position and subsequent end group functionalization with trimethylsilyl groups; The invention further relates to the use of the dental materials for filling composites, fixing cements or materials for coatings.
摘要:
The present invention relates to dental materials comprising liquid, nanoparticulate functionalized hydrophobic co-condensates of tetraalkyl silicates with functionalized trialkoxysilanes of the formula I P—(CH2)n—Si(OR)3 where P, R and n independently of one another have the following meanings: P=a polymerizable CH2═CH—, CH2═CH—O—, styryl, (meth)acrylic or (meth)acrylamide group or an SH group capable of polyaddition, R=methyl, ethyl or propyl and n=from 3 to 15, which can be prepared by co-condensation of tetraalkyl silicates with alkyltrialkoxysilanes functionalized in the ω position and subsequent end group functionalization with trimethylsilyl groups; The invention further relates to the use of the dental materials for filling composites, fixing cements or materials for coatings.
摘要:
Acrylic ester phosphonic acids of general formula (I), stereoisomers thereof and mixtures of these, wherein n is 1 or 2, on the condition that for n=1 R1 has the meaning and for n=2 R1 has the meaning R2 is a C1 to C12 alkylene radical, C4-C8 cycloalkylene radical or C7 to C15 alkylene phenylene radical; R3 is hydrogen, a C1 to C5 alkyl radical or a C1 to C5 O-alkyl radical; and R4, R5, independently of each other, each stand for a C1 to C5 alkyl radical or a C1 to C5 O-alkyl radical.
摘要:
The invention relates to urethane di(meth)acrylate derivatives of 1-3-bis(1-isocyanato-1-methylethyl)benzene according to Formula (I) in which R is hydrogen or a straight-chained C1-C8 alkyl radical; X and Y independently of each other stand for R1 being a substituted or unsubstituted C6- to C12-aryl or C7- to C16-alkyl aryl radical; R2 hydrogen, a C1- to C5-alkyl or a substituted or unsubstituted C6- to C12-aryl radical; R3 hydrogen or a methyl radical; R4 a C1- to C8-alkylene radical which can be broken by oxygen atoms, or a phenylene radical; R5 hydrogen or a methyl radical; R6 a substituted or unsubstituted C6- to C12-aryl or C7- to C16-alkyl aryl radical; Z being —CO— or a chemical bond and W standing for oxygen, sulphur or NR7, R7 being hydrogen or a straight-chained C1- to C6-alkyl radical. The substances are suitable in particular for the production of dental materials.
摘要翻译:本发明涉及式(I)的1,3-双(1-异氰酸基-1-甲基乙基)苯的氨基甲酸酯二(甲基)丙烯酸酯衍生物,其中R为氢或直链C1-C8烷基; X和Y彼此独立地代表R 1是取代或未取代的C 6 -C 12 - 芳基或C 7 -C 16烷基芳基; R 2为氢,C 1至C 5 - 烷基或取代或未取代的C 6至C 12 - 芳基; R 3氢或甲基; R 4可以被氧原子断裂的C1-至C8-亚烷基或亚苯基; R 5氢或甲基; R 6取代或未取代的C 6 -C 12 - 芳基或C 7 -C 16烷基芳基; Z是-CO-或化学键,W代表氧,硫或NR 7,R 7是氢或直链C 1至C 6烷基。 这些物质特别适用于生产牙科材料。
摘要:
A composite material is described which contains polymerizable monomers plus a special transparent glass having high release of calcium ions and fluorine ions and, because of this release property and in particular of its optical properties, can be used as a restoration material in dentistry.
摘要:
The invention relates to a radically polymerizable monomer of formula (I) wherein W1 and W2 in each case independently represent H or X—R—Y—PG, wherein at least one of W1 and W2 represents X—R—Y—PG, X in each case independently is missing or represents an ether, ester, amide, urethane or urea group, Y in each case independently is missing or represents an ether, ester, amide, urethane or urea group, R in each case independently is missing or represents a C1-C16 alkylene radical which can be interrupted by one or more O atoms, wherein R can be missing only if X and/or Y is simultaneously also missing, and PG in each case independently represents a cyclic, ring-opening polymerizable group, a, b, c and d independently of each other can take the values 3 to 10. The invention also relates to polymerizable compositions which comprise the monomers according to the invention, as well as their use as dental materials and for the preparation of dental materials, in particular composites, cements, adhesives or coatings.
摘要:
Dental material which contains at least one radically polymerizable monomer according to the general formula (I): in which PG is a cyclic, ring-opening polymerizable group; X1 is absent, O, S, is an ester, amide or urethane group; X2 is absent with, O, S, is an ester, amide or urethane group; Y is absent, O, S, is an ester, amide or urethane group; R is an organic radical with a valency of (n+m), with 1 to 35 carbon atoms and 0 to 8 heteroatoms, the H atoms of which can be wholly or partially substituted by F atoms; R1 is absent or is a C1-C16 alkylene radical which can be interrupted by O atoms; R2 is absent or is a C1-C16 alkylene radical which can be interrupted by O atoms; n is 1, 2, 3, 4, 5 or 6; m is 1, 2 or 3; HG is —P═O(OH)2; —P═O(OH)(OR14); —O—P═O(OH)2, —O—P═O(OH)(OR15) or —SO2OH, wherein R14 is a C1-C15 alkyl radical, phenyl or benzyl radical; and R15 is a C1-C15 alkyl radical, phenyl or benzyl radical.
摘要翻译:含有至少一种根据通式(I)的可自由基聚合的单体的牙科材料:其中PG是环状可开环聚合基团; X 1不存在,O,S是酯,酰胺或氨基甲酸酯基; O,S不是酯,酰胺或氨基甲酸酯基; Y不存在,O,S是酯,酰胺或氨基甲酸酯基; R为化合价为(n + m),有1至35个碳原子和0至8个杂原子的有机基团,其H原子可以被F原子全部或部分取代; R 1不存在或可被O原子间断的C 1 -C 16亚烷基; R 2不存在或可被O原子间隔的C 1 -C 16亚烷基; n为1,2,3,4,5或6; m为1,2或3; HG是-P-O(OH)2; -P-O(OH)(OR 14); -OPO(OH)2,-OPO(OH)(OR 15)或-SO 2 OH,其中R 14, CH 2是C 1 -C 15烷基,苯基或苄基; R 15是C 1 -C 15烷基,苯基或苄基。
摘要:
The invention relates to iminooxadiazine dione derivatives with the formula (I) in which X, Y and Z represent a (meth)acrylic acid radical of the formula (II) in which R1 is hydrogen, an aliphatic hydrocarbon radical with 1 to 14 carbon atoms, which can be interrupted by oxygen atoms, or an aromatic hydrocarbon radical with to 16 carbon atoms; R2 is hydrogen, an aliphatic hydrocarbon radical with 1 to 5 carbon atoms or an aromatic hydrocarbon radical with 6 carbon atoms, n is 1 or 2; where the (meth)acrylic acid radical of formula (II) is bound to the radical of formula (I) by R1 or R2 and the binding point remaining at R2 or R1 is saturated by hydrogen and X, Y and Z can be the same or different; the individual radicals R being able to be the same or different and selected from alicyclic or aromatic hydrocarbon radicals with 5 to 10 or aliphatic hydrocarbon radicals with 1 to 10 carbon atoms.
摘要翻译:本发明涉及式(I)的亚氨基恶二嗪二酮衍生物,其中X,Y和Z表示式(II)的(甲基)丙烯酸基,其中R 1是氢,脂族 可以被氧原子中断的具有1至14个碳原子的烃基或具有16个碳原子的芳族烃基; R 2是氢,具有1至5个碳原子的脂族烃基或具有6个碳原子的芳族烃基,n是1或2; 其中式(II)的(甲基)丙烯酸基团通过R 1或R 2 2与式(I)的基团结合,并且R H 2和R 1可以被氢饱和,X,Y和Z可以相同或不同; 各个基团R能够相同或不同,并且选自具有5-10个碳原子的脂族或芳族烃基或具有1-10个碳原子的脂族烃基。
摘要:
The invention relates to ion-releasing composite materials on the basis of polymerizable monomers. The material is characterized in that it contains one or more non-acid, non-ionic, hydrophilic crosslinker monomers, one or more non-acid, non-ionic, hydrophilic dilution monomers having a viscosity of ≦1 Pas and at least one ion-releasing filler. The materials are suitable in particular for use as dental materials.
摘要:
The invention relates to vinylcyclopropane derivatives according to the formula ##STR1## in which A is --[--Y--CO--C(.dbd.CH.sub.2)R.sup.4 ].sub.m or --C(.dbd.CH.sub.2)CO--O--C.sub.1-4 -alkyl, U and X, independently of each other, stand for CO, COO or CONH; Y and Z stand for O or NH or are absent, but Y and Z cannot be absent at the same time; n, m stand for a whole number from 0 to 4, but n and m are not 0 at the same time; R.sup.1 is H, CH.sub.3 or Cl; R.sup.2, R.sup.3 stand for H, a C.sub.1 - to C.sub.10 -alkyl or alkylene radical, which can be interrupted by O, S or NH, for a C.sub.6 - to C.sub.14 -aryl or arylene, C.sub.7 - to C.sub.14 -alkylaryl or alkylarylene or a C.sub.5 - to C.sub.8 -cycloalkyl or cycloalkylene radical; and R.sup.4 is H or a C.sub.1 - to C.sub.10 -alkyl radical, and to processes for their production. The compounds are suitable in particular for the production of adhesives, cements, composites and mouldings.