23results about "Titanium organic compounds" patented technology

The present application provides a compound used as a coating agent for providing a particle having excellent dispersibility and refractive index, a particle having a surface coated with the compound, a production method thereof, and a dispersion composition containing the particle. The compound according to the present application has a structure represented by Formula (1). In the formula, R 1 represents an organic group having 1 to 30 carbon atoms, R 2 represents OR 3 or a group represented by Formula (2), R 3 represents an organic group having 1 to 30 carbon atoms, n1 and n2 represent an integer of 0 or more, n1 + 2 x n2 represents a valence number determined by the kind of L, L represents aluminum, gallium, yttrium, titanium, zirconium, hafnium, bismuth, tin, vanadium, or tantalum, * represents a bonding site, and R 4 and R 5 represent an organic group having 1 to 30 carbon atoms which can have an oxygen atom. The particle according to the present application has a structure represented by Formula (1) on the surface.

The application relates to the technical field of olefin polymerization, and discloses an ether metal complex and a preparation method and application thereof. The structural formula of the ether metal complex is shown in formula (I): wherein R1, R2, R3 and R4 are each independently selected from one of hydrogen, C1-C10 alkyl and halogen; X is each selected from O or S; and M is selected from IVB group metal. The ether metal complex is applied to ethylene polymerization as a catalyst, has high reactivity, good thermal stability, shows extremely strong control performance on the molecular weight of polyethylene wax, and highly linear low-molecular-weight polyethylene is obtained. Formula (I)

The application discloses a kind of metal oxygen cluster materials and its room temperature rapid synthesis method and use, belong to crystal material preparation and micro-nano manufacturing technical field.The method with tin source and titanium source as metal precursor, polydentate alkoxide as ligand, in N,N-dimethylformamide solvent system of participation coordination, by stirring or shaking mode, under room temperature condition, induce metal precursor to occur hydrolysis, condensation and coordination reaction, so that metal-oxygen skeleton is completed in second level time Construction, metal oxygen cluster material is quickly generated.The method does not need heating or pressurization, reaction time is short, operation is simple, and the obtained metal oxygen cluster material is discrete molecular structure composed of metal-oxygen skeleton, with good structure stability and solution processing performance.The metal oxygen cluster material is used in the field of photolithography, and micro-nano pattern transfer can be realized.The method provides an effective way for the rapid preparation of metal oxygen cluster material and its application in micro-nano manufacturing.

Provided is an Anderson-type polyoxometalate including titanium (Ti) as a heteroatom in the center of the Anderson-type polyoxometalate. A method for preparing an Anderson-type polyoxometalate includes mixing a titanium precursor and a tungsten precursor to prepare a mixture, sealing the mixture in a container and heating to form a hydrothermal synthetic solution, and cooling the hydrothermal synthetic solution and then adding a solute to form an Anderson-type polyoxometalate.

The present invention belongs to the field of organic chemical synthesis, and specifically relates to a method for preparing sulfoxide compounds as single enantiomers or in an enantiomerically enriched form. A catalyst used therein is as represented by formula I, wherein R1 is methyl or ethyl; and C* positions are chiral centers, both in the R configuration or the S configuration. The catalyst of the present invention exhibits an excellent effect in catalyzing the asymmetric oxidation of thioether compounds to prepare sulfoxide compounds as single enantiomers or in an enantiomerically enriched form, produces target compounds with a high purity and a high yield, and is applicable to industrial production.

To provide a novel metal-organic framework with a gas storage function, and a gas storage agent and a gas storage method using the same.SOLUTION: The invention provides a metal-organic framework in which a polyvalent metal ion is bonded to a dianion of a compound represented by formula (1).SELECTED DRAWING: None

This invention provides a pattern formation method that involves forming a resist pattern using a non-chemically amplified resist composition with excellent sensitivity and critical resolution, and then reversing the pattern with an organotitanium compound-containing material that has high etching resistance. [Solution] A method for forming a pattern, comprising: (i) forming a resist pattern on a support using a resist film obtained from a resist composition containing a hypervalent iodine compound, a carboxyl group-containing compound, and a solvent; (ii) applying a material containing an organic titanium compound and a solvent to the support on which the resist pattern has been formed to form a pattern inversion film; and (iii) removing the resist pattern by etching to form an inversion pattern.

Methods are provided. A method comprises contacting a tin (IV) compound with a reagent to form at least one reaction product. The regent comprises at least one of a metal alkoxide compound, a metal amide compound, or any combination thereof. The at least one reaction product comprises at least one of a substituted tin (IV) amide compound, a substituted tin (IV) alkoxide compound, or any combination thereof. Various compositions and various compounds, among other things, are also provided.

To provide a novel transition metal compound, particularly a novel transition metal compound or the like suitable as an olefin-polymerization catalyst available for various types of olefin polymerization.SOLUTION: A transition metal compound has, for example, the following structure.SELECTED DRAWING: None

Embodiments are directed to a metal-ligand complex of formula (I). In addition, a polymerization process includes polymerizing at least one olefin in the presence of a catalyst system comprising the metal-ligand complex and at least one activator to produce an olefinic polymer.

The present invention provides a novel hafnium compound, a precursor composition containing the hafnium compound, a hafnium-containing thin film produced using the precursor composition, and a method for producing the hafnium-containing thin film. [Solution] A hafnium compound represented by the following formula. (In the formula, R1 is independently an amino group, a silyl group, an alkoxy group, or a C2-C5 alkyl group. Also, R2 and R3 are independently an amino group, a silyl group, an alkoxy group, or a C1-C5 alkyl group.) JPEG2026098078000009.jpg89159

The application belongs to the field of organic chemical synthesis, and particularly relates to a preparation method of a single enantiomer or an enantiomerically enriched sulfoxide compound. A catalyst used in the application is shown in formula I: wherein R1 is methyl or ethyl; C* is a chiral center, and is in R configuration or in S configuration. The catalyst has excellent effect in catalyzing asymmetric oxidation of a sulfide compound to prepare a single enantiomer or an enantiomerically enriched sulfoxide compound, the target compound has high purity and high yield, and is suitable for industrial production.

This invention discloses a catalyst for the synthesis of methacrylates, its preparation method, and its application, belonging to the field of fine chemical technology. The catalyst is a polynuclear metal catalyst, with the structural formulas shown in formulas (I), (II), (III), or (IV) below. This invention provides a polynuclear metal catalyst that can be used in the synthesis of long-chain alkyl methacrylates, achieving efficient and selective transesterification reactions of acrylate compounds with long-chain alcohols, and can also be used in the synthesis of dimethylaminoethyl methacrylate.

This application provides a method for enhancing the solubility of metal oxide clusters and its patterned application. The metal oxide cluster of this application comprises a metal oxide core and an organic ligand coordinated to the metal oxide core, and its general molecular formula is: M x O y (L1) n (L2) m In this embodiment, M is preferably titanium, and L1 and L2 are selected from organic ligands that can coordinate with M. The organometallic clusters also satisfy the following conditions: 1≤x≤5, 1≤y≤30, y≤6x, 0≤n≤6x, 0≤m≤6x, 1≤n+m≤6x. L1 and / or L2 include at least one C-F bond. The metal-oxygen clusters of this application introduce fluorine through ligand design, improving the solubility of the metal-oxygen clusters and solving the problem of poor solubility in existing titanium-based organic-inorganic hybrid metal-oxygen clusters.

This invention discloses a rare-earth metal-doped titanium catalyst, its preparation method, and its applications. The raw materials for the rare-earth metal-doped titanium catalyst include the following components: an organotitanate, a rare-earth metal precursor, a carboxylic acid, and an alcohol solution. The rare-earth metal-doped titanium catalyst is in a gel state. The organotitanate and carboxylic acid form a titanium-organic chelate, and the rare-earth metal precursor and the titanium-organic chelate form bimetallic active sites. The molar ratio of titanium metal to rare-earth metal is 1:0.1-1. The rare-earth metal-doped titanium catalyst of this invention is in a gel state. The formed titanium-organic chelate can inhibit catalyst hydrolysis and deactivation, and the formed bimetallic active sites can improve catalytic activity, greatly shortening the polycondensation reaction time, improving polymerization efficiency, and yielding a high-viscosity copolyester.

The present invention relates to a titanium complex having an empirical Formula (I): Ti(glycerol)a(X)b Formula (I) where X is a di-, or tri- alkanolamine, or a mixture thereof; and wherein a is a numb

The application discloses a titanium-containing composite catalyst and application thereof in preparation of thermotropic liquid crystal polymers, relates to the technical field of thermotropic liquid crystal polymer preparation, and comprises acetate and aromatic titanate, wherein the mass ratio of the acetate to the aromatic titanate is (1-9):(9-1), and the aromatic titanate is one or a combination of more than one of tetraphenyl titanate or tetra-monosubstituted phenyl titanate. The titanium-containing composite catalyst has the advantages of more environmentally-friendly raw materials, solid catalyst, small corrosion, good stability, and convenient addition. When the titanium-containing composite catalyst is used for preparing liquid crystal polymers, the obtained product has better color, and the acylation efficiency and the polycondensation efficiency are both high.

The present invention relates to compositions, precursor vessels, methods, and systems for depositing metals from Group 4, Group 5, Group 6, or Group 13, as well as methods for synthesizing metal precursors. The compositions of the present invention include a coordination compound comprising a metal from Group 5, Group 6, or Group 13 and at least one enamine alkoxide ligand.

The present disclosure relates to the field of precursors, more specifically precursors containing at least one fluorinated group. In some embodiments, the precursors are hafnium, zirconium, and titanium bis(cyclopentadienyl) precursors containing fluorinated alkoxides and amides. In some embodiments, the present disclosure relates to using precursors for deposition of group 4 containing thin films, such as HfOx, ZrOx, and TiOx film applications. These thin films can be used in a variety of applications including semiconductor device structures. The compounds of the present disclosure have been developed and synthesized to generate compounds that provide improvements in film applications, such as HfOx, ZrOx, and TiOx film applications. The improvements to the compounds of the present disclosure include increased molecule stability at delivery temperature and deposition temperature, improvements related to precursor film impurity levels, molecule volatility, molecule melting point, and step coverage.

The present application relates to a kind of quinoline-amine-based non-metallocene pre-transition metal catalyst and its preparation method and application, with big steric tertiary butyl and its derivative as substituent, by 8-aminoquinoline or its derivative and benzaldehyde or its derivative under the catalysis of p-toluenesulfonic acid (p-TsOH) carry out imination reaction, quinoline-imine-based ligand is synthesized.The obtained ligand carries out one-pot reaction with in-situ synthesized MMe4 (M=Ti, Zr or Hf), and quinoline-amine-based non-metallocene pre-transition metal catalyst is prepared.The catalyst is used for olefin polymerization reaction in the present application.The advantages of simple synthetic process route, raw material easy to obtain, product yield etc.are possessed.Meanwhile, the catalyst can be resistant to high temperature, is suitable for high-temperature solution polymerization method, can prepare polyethylene (PE), polypropylene (PP) and high-performance polyolefin elastomer (POE).