462results about "Titanium organic compounds" patented technology

The present invention provides an amidinate compound represented by the following general formula (1) or a dimer compound thereof, and a method of producing a thin-film including using the compound as a raw material:where R1 and R2 each independently represent an alkyl group having 1 to 5 carbon atoms, R3 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, M represents a metal atom or a silicon atom, and “n” represents the valence of the atom represented by M, provided that at least one hydrogen atom of R1 to R3 is substituted with a fluorine atom.

The invention relates to the field of polyester synthesis, and discloses a high-matting-agent-tolerance titanium polyester catalyst as well as a preparation method and application thereof. Conjugated aromatic beta-diketone and alpha-hydroxy acid containing an aromatic ring or an alicyclic ring are adopted as compound ligands to form a stable chelating structure with a titanium active center in a bidentate coordination manner, and the liquid titanium polyester catalyst with high matting agent tolerance, which has good hydrolysis resistance, water solubility, alcohol solubility and thermal stability, is prepared. The activity of the catalyst is not inhibited by a delustering agent, the tolerance to the delustering agent is good, the catalyst can be added at any stage before slurry preparation, esterification, polycondensation and the like, and the activity is not influenced; semi-dull or full-dull titanium polyester in-situ polymerization is carried out, the vacuum allowance of polycondensation is high, and the polymerization process is stable and controllable; the synthesized extinction polyester is good in hue and thermal stability, small in viscosity reduction in the melt spinning process and uniform in fiber mechanical property, and has good industrial application prospects and value.

The invention relates to a [NN] bidentate coordination metal catalyst based on a quinoline skeleton as well as a preparation method and application of the [NN] bidentate coordination metal catalyst. According to the preparation method, quinoline-8-formaldehyde and aniline are directly subjected to aldehyde-amine condensation under the catalysis of p-TsOH, and a quinoline-imino ligand is synthesized. The [NN] bidentate coordination metal catalyst based on the quinoline skeleton is prepared by carrying out one-pot reaction on the obtained ligand and in-situ synthesized MMe4 (M is Ti, Zr or Hf). The quinoline skeleton [NN] bidentate coordination metal catalyst is used for polyolefin synthesis. The preparation method has the advantages of simple synthesis process, easily available raw materials, high product yield and high temperature resistance, is suitable for high-temperature solution polymerization, and can be used for preparing high-performance polyolefin elastomers.

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.

Provided are a hierarchical porous defect UiO-66 material and a preparation method thereof. The method includes the following steps: mixing a zirconium ion source, a mixed ligand, an organic acid, an organic good solvent, and water to obtain a mixture; and subjecting the mixture to reaction while heating, washing, freeze-drying, and heat treatment in sequence to obtain the hierarchical porous defect UiO-66 material; where hierarchical pores of the hierarchical porous defect UiO-66 material comprise micropores and mesopores; the micropores each have a pore size of not greater than 2 nm; the mesopores each have a pore size of 2 nm to 4 nm; the mixed ligand includes terephthalic acid and a trisubstituted benzene series; and the trisubstituted benzene series is one or two selected from the group consisting of 2-aminoterephthalic acid and 2-aminoisophthalic acid.

The present invention aims to provide: a compound for forming a metal-containing film that yields a resist middle layer film enabling to obtain a favorable pattern shape and having high adhesiveness to a resist upper layer film to prevent collapse of a fine pattern in a fine patterning process in a semiconductor device manufacturing process; a composition for forming a metal-containing film using the compound; and a patterning process using the composition. A compound for forming a metal-containing film contains: at least one metal atom selected from a group consisting of Ti, Zr, and Hf; and a multidentate ligand coordinated to the metal atom and containing a cyclic ether structure having 2 to 13 carbon atoms

The invention discloses a piezoelectric dissimilar metal co-doped titanium-oxygen cluster compound as well as a preparation method and application thereof, and relates to the field of materials. The molecular formula of the piezoelectric dissimilar metal co-doped titanium-oxygen cluster compound is H2Ti26Pb10 (mu4-O) 4 (mu3-O) 34 (mu2-O) 6Bz38. 6MeCN. 2 (C4H9ON), and the molecular formula of the piezoelectric dissimilar metal co-doped titanium-oxygen cluster compound is Ti26Pb10, and the molecular formula of the piezoelectric dissimilar metal co-doped titanium-oxygen cluster compound is Ti26Pb10. Wherein mu3-O represents a three-bridged O atom, mu2-O represents a two-bridged O atom, mu4-O represents a four-bridged O atom, Bz represents a benzoic acid ligand, MeCN represents an acetonitrile solvent molecule, and C4H9ON represents a morpholine solvent molecule. The adopted preparation method is simple, raw materials are easy to obtain, aftertreatment is simple, pollution is little, and the green and environment-friendly requirements are met. The piezoelectric dissimilar metal co-doped titanium-oxygen cluster compound prepared by the preparation method disclosed by the invention is relatively high in stability, has piezoelectric activity and has a relatively high degradation rate on antibiotics.

Provided are a transition metal compound for a catalyst for olefin polymerization where a cyclopentadienyl group and a silane substituent are introduced and the cyclopentadienyl group is connected by a bridge, a catalyst for olefin polymerization including the same, and a polyolefin polymerized using the same. Since the transition metal compound for a catalyst for olefin polymerization and the catalyst for olefin polymerization including the same according to an exemplary embodiment of the present invention have a unique stereostructure structure, the physical properties of the polymer may be adjusted, and in particular, a polyolefin-based resin having excellent processability may be prepared.

To provide a titanium complex useful in producing a titanium-containing thin film under a low-temperature film deposition condition without oxidized gas.SOLUTION: The titanium complex is represented by the general formula (1) in the figure. (In the formula, R1, R2 and R3 each independently represent a C1-6 alkyl group or tri(C1-6 alkyl)silyl group; and n represents an integer from 0 to 3.)SELECTED DRAWING: Figure 1

An object of the present invention is to provide: a compound for forming a metal-containing film providing a resist middle layer film by which a good pattern shape can be obtained, and that has a high adhesion to a resist upper layer film and suppresses the collapse of a fine pattern in a fine patterning process during a semiconductor device manufacturing process; a composition for forming a metal-containing film using the compound; and a patterning process using the composition. This provides: a compound (A) for forming a metal-containing film, wherein the compound (A) for forming a metal-containing film is a compound comprising at least one kind of metal atom selected from the group consisting of Ti, Zr, and Hf and a ligand coordinated to the metal atom, and at least one of the ligands is derived from the organic sulfonic acid compound represented by the following formula (s):

The present invention is a compound (A) for forming a metal-containing film, where the compound is derived from a metal-containing compound, being a hydrolysate, condensate, or hydrolysis condensate of a metal compound represented by the following formula (A-1), and the compound (A) further has a ligand derived from an organic compound represented by the following formula (1). This can provide a compound for forming a metal-containing film having better dry etching resistance than those of conventional organic underlayer film materials and also having high filling property and / or high planarizing property.         M(OR1A)4     (A-1)         R2ACOXCOOH     (1)

The present invention relates to a transition metal compound having a novel structure and a catalyst composition comprising the same.

The present invention aims to provide: a compound for forming a metal-containing film that yields a resist middle layer film enabling to obtain a favorable pattern shape and having high adhesiveness to a resist upper layer film to prevent collapse of a fine pattern in a fine patterning process in a semiconductor device manufacturing process; a composition for forming a metal-containing film using the compound; and a patterning process using the composition. A compound for forming a metal-containing film contains: at least one metal atom selected from a group consisting of Ti, Zr, and Hf; and a multidentate ligand coordinated to the metal atom and containing a cyclic ether structure having 2 to 13 carbon atoms.

To provide a titanium oxide composition with excellent storage stability, by which a titanium oxide coating with superior film formability can be obtained, the coating being capable of forming a thick film without cracks during calcination.SOLUTION: A titanium carboxylate composition comprising a chain crosslinked body A of a titanium carboxylate represented by the general formula (1), a cyclic crosslinked body B of a titanium carboxylate represented by the general formula (2), and a titanium carboxylate C represented by the general formula (3), wherein the ratio of the total mass of A and B to the mass of C is 30:70 to 90:10, and the mass ratio of A to B is 20:80 to 99:1. General formula (1): (R1COO)l(R2O)mTinOn-1 (R1 and R2 are aliphatic hydrocarbon groups; n is 2-10; l+m=2n+2; 0≤m≤l). General formula (2): (R3COO)2pTipOp (R3 is an aliphatic hydrocarbon group; p is 3-10). General formula (3): (R4COO)q(R5O)4-qTi (R4 and R5 are aliphatic hydrocarbon groups; q is 1-4).SELECTED DRAWING: None

Provided are a novel organic titanium compound and curing catalyst that, by being added to a room temperature curable organopolysiloxane composition, are capable of quickly curing the composition, maintaining the storage stability thereof without damaging the same, and improving the adhesiveness of the cured product of the composition especially after soaking in warm water. Provided is an organic titanium compound that is a reaction product of: a fatty acid ester of a polyhydric alcohol; and an organic titanium compound that has a chelating ligand and an organooxy group and that are represented by the average composition formula (I): Ti(OR)4-a(X)a (where "R" is a substituted or unsubstituted monovalent hydrocarbon group having 1-12 carbon atoms, "X" is a chelating ligand, and "a" is number from 0.1-3.5).

To provide a compound for forming a metal-containing film that provides a resist intermediate layer capable of achieving a favorable pattern shape in fine patterning processes of semiconductor device production, while ensuring strong adhesion to a resist upper layer film and suppressing the collapse of fine patterns, a composition for forming a metal-containing film using the compound, and a pattern formation method using the composition.SOLUTION: There is provided (A) a compound for forming a metal-containing film, wherein the compound for forming a metal-containing film comprises at least one metal atom selected from the group consisting of Ti, Zr, and Hf, and a ligand coordinated to the metal atom, wherein at least one of the ligands is derived from an organosulfonic acid compound represented by the formula (s).SELECTED DRAWING: None

The present invention is a compound for forming a metal-containing film, containing: at least one kind of metal atom (a) selected from the group consisting of Ti, Zr, and Hf; and a polydentate ligand coordinated to the metal atom (a), where the polydentate ligand is derived from a compound (b) having 1 to 50 carbon atoms, being substituted with a fluorine atom, and containing one or more crosslinkable groups selected from a vinyl group, an allyl group, an allyloxy group, an ethynyl group, a propargyl group, a propargyloxy group, an epoxy group, an oxetanyl group, a nitrile group, and a vinylidene group. This can provide: a compound for forming a metal-containing film to be used for forming a metal-containing film that can contribute to the improvement of sensitivity while maintaining the LWR of the upper layer resist; a composition for forming a metal-containing film, containing the compound; and a patterning process using the composition.

Provided are a hierarchical porous defect UiO-66 material and a preparation method thereof. The method includes the following steps: mixing a zirconium ion source, a mixed ligand, an organic acid, an organic good solvent, and water to obtain a mixture; and subjecting the mixture to reaction while heating, washing, freeze-drying, and heat treatment in sequence to obtain the hierarchical porous defect UiO-66 material; where hierarchical pores of the hierarchical porous defect UiO-66 material comprise micropores and mesopores; the micropores each have a pore size of not greater than 2 nm; the mesopores each have a pore size of 2 nm to 4 nm; the mixed ligand includes terephthalic acid and a trisubstituted benzene series; and the trisubstituted benzene series is one or two selected from the group consisting of 2-aminoterephthalic acid and 2-aminoisophthalic acid.

The present invention belongs to the field of functional materials and relates to the preparation and application of titanium oxide cluster compounds and ionic titanium oxide cluster polymers as precursors. p-TiO2 is prepared by solvent thermal reaction using 4-dimethylaminobenzoic acid as a ligand. 4 ‑N titanium oxide cluster compounds were prepared into 0.5 mg / mL 2,2,2‑trifluoroethanol solution and used as the electron transport layer of solar cells. The energy conversion efficiency of the prepared device reached 17.3%. 4 ‑N as a precursor, and further reacted with 1,4‑dibromo‑2‑butene to prepare an ionic titanium oxide cluster polymer p‑Ti 4 ‑N‑Br was prepared into a 0.9 mg / mL 2,2,2‑trifluoroethanol solution and used in the preparation of devices for the electron transport layer of solar cells. The energy conversion efficiency was increased to 17.9%. The material has good film-forming properties, and the prepared solution is not very sensitive to concentration and film thickness, which will help promote the commercialization of solar cells.

The present invention relates to a phosphine-phenol transition metal complex and preparation method therefor and use thereof. The structural formula of the phosphine-phenol transition metal complex is shown in formula (I), wherein, M is selected from Group IVB metals; Ar is selected from substituted or unsubstituted C6-C20 aryl; X is selected from halogen, C1-C10 hydrocarbyl, n is 1 or 2. The phosphine-phenol transition metal complex, when used as a primary catalyst of an olefin polymerization catalyst, can achieve higher activity in catalyzing olefin polymerization. The obtained polymer has a higher molecular weight, a narrower molecular weight distribution, and excellent copolymerization properties.

The application provides a metallocene complex containing amidine group structure. The metallocene catalyst containing amidine group structure provided by the application has double chelated η2-type coordination side arms, can have stronger interaction with the central metal, can reduce the positive electricity of the metal, is more favorable to the stability of the metal center, and improves the temperature resistance of the catalyst. The catalyst can still catalyze ethylene and alpha-olefin copolymerization at 180 DEG C and has higher catalytic activity, alpha-olefin insertion rate and higher molecular weight, is suitable for the needs of large-scale industrial production, and has important industrial application prospect.

The present invention is a compound for forming a metal-containing film, containing: at least one kind of metal atom (a) selected from the group consisting of Ti, Zr, and Hf; and a polydentate ligand coordinated to the metal atom (a), where the polydentate ligand is derived from a compound (b) having 1 to 50 carbon atoms and being substituted with at least one kind of halogen atom selected from the group consisting of a chlorine atom, a bromine atom, and an iodine atom. This can provide: a compound for forming a metal-containing film to be used for forming a metal-containing film that can contribute to the improvement of sensitivity while maintaining the LWR of the upper layer resist; a composition for forming a metal-containing film, containing the compound; and a patterning process using the composition.

The invention belongs to the technical field of chemical synthesis of semiconductor materials, and particularly relates to a synthesis method of tetra (dimethylamino) titanium, which comprises the following steps: (1) reacting titanium tetrachloride with dimethylamine to generate an intermediate TiClx [N (CH3) 2] 4-x, where x is an integer from 0 to 4; (2) reacting dimethylamine with an organic metal lithium reagent to synthesize lithium dimethylamino (LiN (CH3) 2); and (3) reacting the intermediate obtained in the step (1) with lithium dimethylamino obtained in the step (2) to obtain tetra (dimethylamino) titanium. By adopting a step-by-step reaction strategy, the dependence on expensive n-butyllithium is fundamentally reduced, the raw material cost is remarkably reduced, meanwhile, the reaction process is optimized by generating an intermediate, the product yield is greatly improved, the generation of byproducts is effectively reduced, and the product purity is improved.

The invention discloses a high-temperature-resistant high-activity metallocene catalyst and application thereof, and belongs to the technical field of olefin polymerization catalysts. The catalyst provided by the invention is formed by taking a fused ring structure with a rigid framework as a ligand framework and coordinating with transition metal titanium, zirconium or hafnium, so that the catalyst has excellent thermal stability and high catalytic activity, and is suitable for copolymerization reaction of ethylene and alpha-olefin. In the high-temperature polymerization reaction, the catalyst provided by the invention realizes efficient copolymerization of ethylene and alpha-olefin, and the obtained copolymer not only has higher molecular weight, but also has higher comonomer insertion amount, so that the structure and performance of the product are effectively regulated and controlled.

The present invention discloses a compound containing a metal element of Group IV, wherein the chemical formula of the compound is: (Sn(CH 3 ) 3 )CpM(NR 1 R 2 ) 3 (Formula I); In the chemical formula I, M is Ti, Zr or Hf, R 1 , R 2 Each is independently a C1-C4 straight-chain or branched alkyl group; the present invention also provides a precursor composition for forming a film and a method for preparing a film containing a Group IV metal element, wherein the precursor composition comprises a compound of a Group IV metal element; the novel compound containing a Group IV metal element provided by the present invention is liquid at room temperature and has thermal stability, and the use of the compound to prepare a film containing a Group IV metal element can significantly improve the deposition rate.

Organometallic complexes useful as prepolymerization catalysts that may form part of an olefin polymerization catalyst system are described. The catalyst system is used for the polymerization of ethylene, and optionally contains one or more C 3-12 They are used in the polymerization of ethylene with alpha-olefin comonomers. Organometallic complexes are broadly represented by formula I: TIFF2025510021000316.tif59108 where L is a bridging group comprising a continuous chain of atoms connecting P and Cy, the continuous chain comprising 2 or 3 atoms, and Cy is a cyclopentadienyl-type ligand. The olefin polymerization catalyst system is effective for polymerizing ethylene and alpha-olefins in a solution phase polymerization process at high temperatures to produce ethylene copolymers having high molecular weights and high alpha-olefin incorporation. Premetallation compounds, metallation processes, synthetic methods for making the organometallic complexes, and polymerization processes are also described.

The present invention relates to nitrogen-containing heterocyclic compounds suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing these heterocyclic compounds.

Compounds suitable for use in the polymerization of olefins, such as ethylene, are described. Further described are processes for polymerizing olefins using the described compounds. The compounds exhibit high polymerization activity and provide polyolefins with commercially desirable properties, including high molecular weight and low polydispersity.

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 invention relates to a titanium complex catalyst, a preparation method of the titanium complex catalyst and application of the titanium complex catalyst in hydroxylation of anisole. Anisole and hydrogen peroxide react under catalysis of the titanium complex catalyst to obtain o-hydroxyanisole and p-hydroxyanisole. The invention provides a novel catalyst, active titanium and reactants are in full contact, and higher reaction activity is achieved; the catalyst has a certain space effect, can achieve a shape-selective catalysis effect, can generate more para-products, and improves the para-ortho ratio of hydroxyanisole.