169results about "Titanium organic compounds" patented technology

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):

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 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 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.

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 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)

To provide a metal-containing film-forming compound that provides a resist intermediate film capable of obtaining a good pattern profile in a fine patterning process in semiconductor device fabrication step, exhibiting high adhesion to a resist upper layer and preventing collapse of fine patterns, as well as a metal-containing film-forming composition using the compound and a pattern formation method using the composition.SOLUTION: A metal-containing film-forming compound includes at least one metal atom selected from the group consisting of Ti, Zr, and Hf, and a ligand coordinated to the metal atom via an oxygen atom, and the ligand has a ring structure (t) selected from a ring having 4 or more carbon atoms and containing one or more oxygen atoms, a ring having 3 or more carbon atoms and containing two or more oxygen atoms, and a ring having 3 or more carbon atoms and containing one or more oxygen atoms and one or more hetero atoms different from oxygen atoms.SELECTED DRAWING: Figure 1

In some embodiments, a catalyst compound is represented by Formula (I): M is a group 3-5 metal, a lanthanide metal atom, or an actinide metal atom. E is a substituted polycyclic arenyl ligand bonded to M and is substituted by at least one ferrocenyl substituent bonded to an aromatic six-membered ring of the polycyclic arenyl ligand. A is a monoanionic ligand bonded to M. n is 0 or 1. T is bonded to A and E, and is a bridging group containing a group 13, 14, 15, or 16 element, and is present when n is one and absent when n is zero. Each instance of X is independently a univalent anionic ligand, or two Xs are joined and bound to M to form a metallocycle ring, or two Xs are joined to form a chelating ligand, a diene ligand, or an alkylidene ligand.

The present invention is a compound for forming a metal-containing film, containing: at least one metal atom selected from the group consisting of Ti, Zr, and Hf; and a ligand coordinated to the metal atom via an oxygen atom, where the ligand has a cyclic structure (t) selected from a ring having 4 or more carbon atoms and containing 1 or more oxygen atoms, a ring having 3 or more carbon atoms and containing 2 or more oxygen atoms, and a ring having 3 or more carbon atoms and containing 1 or more oxygen atoms and 1 or more heteroatoms other than oxygen atoms. This can provide: a compound for forming a metal-containing film that gives a resist middle layer film that makes it possible to obtain an excellent pattern profile, has high adhesiveness to a resist upper layer film, and suppresses fine-pattern collapse in a fine patterning process of a semiconductor device manufacturing process; a composition for forming a metal-containing film, containing the compound; and a patterning process using the composition.

Provided in this disclosure are titanium complexes that contain 1) a cyclopentadienyl ligand; 2) an adamantyl-phosphinimine ligand; and 3) at least one activatable ligand. The use of such a complex, in combination with an activator, as an olefin polymerization catalyst is demonstrated. The catalysts are effective for the copolymerization of ethylene with an alpha olefin (such as 1-butene, 1-hexene or 1-octene) and enable the production of high molecular weight copolymers (Mw greater than 25,000) at high productivity under solution polymerization conditions.

The multilayer molecular film photoresist includes a plurality of molecular beams each extending upwardly of a substrate and arranged laterally, each of the molecular beams being formed by bonding a plurality of inorganic monomolecules with organic monomolecules interposed between at least some of the inorganic monomolecules.

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 invention relates to the technical field of polyolefin catalysts, and particularly discloses a phenoxy imine compound, a preparation method and application thereof, an olefin polymer and a preparation method thereof. The phenoxy imine compound has the following structural formula, in the structural formula, R1 is selected from tertiary butyl, isopropyl, tertiary butyl, cycloalkyl or adamantyl; r2 is selected from cyclopentyl or cyclohexyl; ad is adamantyl; m is selected from Ti or Zr; and X is selected from Cl, Br or-NMe2. The phenoxy imine compound is applied to catalysis of ethylene polymerization and ethylene and alpha-olefin copolymerization reaction, shows high reaction activity, thermal stability and extremely strong regulation and control performance on polyolefin molecular weight, and has wide industrial application prospects.

The present disclosure relates to metal coordination polymers. In particular, the present disclosure relates to layered metal coordination polymers that can be used as precursors to form nanostructures of various morphologies and compositions. The present disclosure also relates to metal-based nanostructures that can be prepared from the metal coordination polymers. The nanostructures can have various catalytic properties.

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.

The present application relates to a kind of [NN] bidentate coordination metal catalyst based on quinoline skeleton and its preparation method and application, the present application is directly carried out aldehyde amine condensation by quinoline-8-formaldehyde and aniline under the catalysis of p-TsOH, and quinoline-imino ligand is synthesized.The obtained ligand is used in one-pot reaction with in-situ synthesized MMe4 (M=Ti, Zr or Hf), and [NN] bidentate coordination metal catalyst based on quinoline skeleton is prepared.And the quinoline skeleton [NN] bidentate coordination metal catalyst is used for the synthesis of polyolefin.The present application has simple synthesis process, raw material is easy to obtain, product yield is high, has high temperature resistance simultaneously, is suitable for high temperature solution polymerization, and can prepare high-performance polyolefin elastomer.

The application discloses a nitrogen-oxygen chelated transition metal complex catalyst and a preparation method and application thereof, and belongs to the field of olefin polymerization catalysts. The nitrogen-oxygen chelated transition metal complex catalyst has a structure of formula (I), M is selected from group IVB transition metal atoms, Y is selected from silicon, carbon, phosphorus and other atoms, an oxygen-containing functional group is additionally introduced into a ligand of the catalyst to be coordinated with a central atom titanium, and a chelated transition metal complex is formed. In olefin polymerization, Ti active center cations are coordinated with oxygen to be stable, the deactivation of the active center can be effectively slowed down, and the active maintenance time can reach more than 1 hour. The catalyst can be used in the copolymerization reaction of ethylene and C8 or above alpha-olefins.

The present invention relates to the technical field of olefin polymerization catalysts and discloses a tetrahydronaphthol-phosphine pre-transition metal complex, a method for preparing the same, and its use. The structural formula of the tetrahydronaphthol-phosphine pre-transition metal complex is given by formula (I) (wherein M is selected from group 4 metals, Ar is selected from substituted or unsubstituted C6-C20 aryl groups, X is selected from halogens or C1-C10 hydrocarbon groups, and n is 1 or 2). When the tetrahydronaphthol-phosphine pre-transition metal complex of the present invention is used as the main catalyst for olefin polymerization, the olefin polymerization activity (homopolymerization / copolymerization activity) is relatively good even at relatively high temperatures, and the prepared olefin polymer has relatively good performance. [Formula 1] JPEG2026513594000017.jpg31169

Provided is a curing catalyst having a high safety and a practical curing rate. According to the present invention, provided is a curing catalyst [B] used for curing a polymer [A] having a reactive hydrolyzable silicon-containing group, wherein the curing catalyst [B] contains a complex of a titanium compound [B1] and an ammonium hydroxide [B2], and an amine compound [B3], the titanium compound [B1] is represented by Chemical Formula (1), the ammonium hydroxide [B2] is represented by Chemical Formula (2), and the amine compound [B3] is represented by Chemical Formula (3), Chemical Formula (4), or Chemical Formula (5).

Metal chelation compounds and associated coordination complexes are provided. In one aspect, this disclosure provides for a metal chelation compound, the compound having the general structure: D-L-T, wherein D is deferasirox or a derivative thereof, T is triapine or a derivative thereof, and L is a linking group and is a bond, C1-C10 alkyl, C2-C10 alkenyl, or —(C0-C3 alkyl)-R—(C0-C3 alkyl)-, wherein R is aryl, cycloalkyl, or polyethylene glycol.

The application provides a macromolecular titanate coupling agent and a preparation method thereof, which is obtained by using an ester exchange polycondensation method on small molecule titanate coupling agent and dihydric alcohol monomers, and is polymerized in a gradient heating mode under a nitrogen atmosphere, and synthesis steps are as follows: under a nitrogen atmosphere, the small molecule titanate coupling agent and the dihydric alcohol monomers are added into a three-necked flask, the three-necked flask is heated through an oil bath, first, the heating temperature is increased from room temperature to 60-120 DEG C, and is kept for 3-5 hours, then the heating is continuously increased to 140-160 DEG C, and is reacted for 3-5 hours, then the heating is continuously increased to 175-180 DEG C, and is reacted for 1-3 hours. The macromolecular titanate coupling agent is obtained by using the ester exchange polycondensation method on the small molecule titanate coupling agent and the dihydric alcohol monomers, the coupling agent can avoid the problem that the alkoxyl in the structure of the titanate coupling agent is easy to contact with water vapor in the air and hydrolyze due to the characteristics of large molecular weight and linear / branched structure, and the macromolecular coupling agent structure still contains characteristic functional groups, so that the functionality of the coupling agent can be reserved.

Provided is a method for industrially advantageously producing an organic acid salt from which a perovskite-type composite oxide having a small particle diameter and a high crystallinity can be obtained, the method comprising mixing and reacting a solution (solution A) containing any one component of an organic acid, an A-site element compound, and a B-site element compound with a solution (solution B) containing two components of the organic acid, the A-site element compound, and the B-site element compound to produce an organic acid salt, wherein the two components are not contained in the solution A. The method for producing the organic acid salt is characterized by firstly feeding, into a reaction vessel, either one of the solution A and the solution B and a granular medium in an amount of 5.0-95.0 vol% relative to the volume of the one solution, and then stirring the solution and the granular medium in the reaction vessel and therewhile mixing and reacting the solution in the reaction vessel with the other of the solution A and the solution B.

Provided is a curing catalyst having a high safety and a practical curing rate. According to the present invention, provided is a curing catalyst [B] used for curing a polymer [A] having a reactive hydrolyzable silicon-containing group, wherein the curing catalyst [B] contains a complex of a titanium compound [B1] and an ammonium hydroxide [B2], and an amino group-containing compound [B3] containing a primary amino group and / or a secondary amino group, the titanium compound [B1] is represented by Chemical Formula (1), and the ammonium hydroxide [B2] is represented by Chemical Formula (2).

This invention provides the preparation of an anthracene-skeletal pyridineamine-based binuclear titanium-zirconium-hafnium catalyst and its application in catalyzing the polymerization of olefins to synthesize elastomers. The anthracene-skeletal pyridineamine-based binuclear titanium-zirconium-hafnium catalyst reported in this invention features simple synthesis, readily available raw materials, and high product yield. It exhibits high catalytic activity in the copolymerization of ethylene and α-olefins (with a maximum activity reaching 9.02 × 10⁻⁶). 7 ·mol ‑1 ·h ‑1 It also exhibits better copolymerization properties (1-octene insertion rate up to 32.6 mol%); in propylene polymerization, efficient polymerization can be achieved by controlling the steric hindrance of different substituents (the highest activity can reach 8.56 × 10⁻⁶). 7 g·mol ‑1 ·h ‑1 Synthesize polymers with ultra-high molecular weight (polymer molecular weight reaches 4560 kg·mol⁻¹). ‑1 This invention relates to a random polypropylene elastomer; particularly in high-temperature solution polymerization, the catalyst maintains excellent polymerization performance for the preparation of high-quality, high-performance polyolefin materials. The metal catalyst provided by this invention is original and innovative, and can promote the development of my country's high-end polyolefin chemical industry.

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 relates to a transition metal compound for olefin polymerization catalyst in which a cyclopentadienyl group and a cyclopentadienyl group having a silane substituent are connected by a bridge, an olefin polymerization catalyst containing the same, and a polyolefin polymerized using the same. The transition metal compound for olefin polymerization catalyst and the olefin polymerization catalyst containing the same according to an embodiment of the present invention have a unique stereostructure, which makes it possible to adjust the physical properties of the polymer, and in particular, to produce a polyolefin resin with excellent processability.

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.