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公开(公告)号：US20220162451A1
公开(公告)日：2022-05-26
申请号：US17432988
申请日：2020-02-26
摘要： Particles containing a titanate compound according to the present invention comprise alkali metal titanate particles and binder layers, wherein the particles containing the titanate compound has a 50% particle diameter D50 of from 40 μm to 100 μm, and wherein a content ratio of the particles containing the titanate compound having a shorter diameter d of 3 μm or less, a longer diameter L of 5 μm or more, and an aspect ratio (L/d) of 3 or more is 0.05 mass % or less.
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公开(公告)号：US20210066723A1
公开(公告)日：2021-03-04
申请号：US16960230
申请日：2018-03-19
发明人： Masashi HAYAKAWA , Syogo TSUMAGARI
摘要： To provide a titanium-based porous body that has high void fraction to ensure gas permeability and water permeability for practical use as an electrode and a filter, has a large specific surface area to ensure conductivity and sufficient reaction sites with a reaction solution or a reaction gas, thus showing excellent reaction efficiency, and contains less contaminants because of no organic substance used. A titanium-based porous body having a specific void fraction and a high specific surface area is obtained by filling an irregular-shaped titanium powder having an average particle size of 10 to 50 μm in a dry system without using any binder or the like into a thickness of 4.0×10−1 to 1.6 mm, and sintering the irregular-shaped titanium powder at 800 to 1100° C.
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公开(公告)号：US10472436B2
公开(公告)日：2019-11-12
申请号：US15542149
申请日：2016-01-18
发明人： Hiroyuki Kono , Toshiya Uozumi , Shingo Yamada , Toshihiko Sugano
IPC分类号： C08F110/06 , C08F4/658 , C08F10/00
摘要： A solid catalyst component for olefin polymerization exhibits excellent catalytic activity during polymerization, and can produce a polymer that exhibits excellent stereoregularity, bulk density, and the like even when a polymerization catalyst is produced in an inert atmosphere using an electron donor compound other than a phthalic ester and an organosilicon compound. The solid catalyst component for olefin polymerization is produced by bringing a vinylsilane compound (d) into contact with a catalyst component, the catalyst component being a powdery solid component obtained by bringing a magnesium compound (a), a titanium halide compound (b), and an electron donor compound (c) into contact with each other, the electron donor compound (c) being one or more compounds that do not include a phthalic ester structure, and include one or more groups selected from an ester group, a carbonate group, and an ether group, the vinylsilane compound (d) being brought into contact with the catalyst component in a 0.1 to 15-fold molar quantity with respect to the molar quantity (on a titanium atom basis) of the titanium halide compound (b) included in the catalyst component.
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公开(公告)号：US10442000B2
公开(公告)日：2019-10-15
申请号：US15552540
申请日：2016-02-17
发明人： Nobuo Fukada , Osamu Kanou , Shigehisa Takenaka
摘要： Provided are a titanium-based powder excellent in fluidity and shape retention property, and an ingot and a sintered article obtained using the titanium-based powder as a material. The titanium-based powder has an average circularity of 0.815 or more and less than 0.870, a CV value of particle sizes of 22 or more and 30 or less, and an angle of repose of 29 degrees or more and 36 degrees or less.
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65.发明授权公开(公告)号：US10392453B2
公开(公告)日：2019-08-27
申请号：US15542723
申请日：2016-01-18
发明人： Hiroyuki Kono , Toshiya Uozumi , Shingo Yamada , Toshihiko Sugano
IPC分类号： C08F110/06 , C08F4/654 , C08F10/00
摘要： A method for producing an olefin polymerization catalyst includes bringing a solid catalyst component for olefin polymerization, a vinylsilane compound, an organosilicon compound, and an organoaluminum compound into contact with each other in an inert organic solvent under an inert gas atmosphere in the absence of a specific vinyl compound, wherein a washing treatment is not performed after the vinylsilane compound has been added to the reaction system, the solid catalyst component includes a magnesium compound, a titanium halide compound, and an electron donor compound that does not include a phthalic acid ester structure, and includes a diol skeleton, and the organosilicon compound does not include a vinyl group, and includes at least one group selected from an alkoxy group and an amino group.
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公开(公告)号：US20190185597A1
公开(公告)日：2019-06-20
申请号：US15846789
申请日：2017-12-19
发明人： Motoki Hosaka , Toshihiko Sugano , Tsutomu Uzawa
IPC分类号： C08F110/06
摘要： A method for producing a solid catalyst component includes bringing a magnesium compound, a titanium halide compound, and one or more internal electron donor compounds into contact with each other to effect a reaction; washing the resulting product with a first inert organic wash solvent that does not have reactivity with the titanium halide compound, and has a solubility parameter (SP) of 8.0 to 9.0; washing the resulting intermediate product in the absence of the titanium halide compound with a second inert organic wash solvent that includes a hydrocarbon compound and does not have reactivity with the titanium halide compound, but has a solubility parameter (SP) of more than 9.0; and washing the resulting product in the absence of the titanium halide compound with a third inert organic wash solvent that does not have reactivity with the titanium halide compound, and has a solubility parameter (SP) of less than 8.0.
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公开(公告)号：US10246530B2
公开(公告)日：2019-04-02
申请号：US15634410
申请日：2017-06-27
发明人： Motoki Hosaka , Toshihiko Sugano , Tsutomu Uzawa
摘要： A method for producing a solid catalyst for olefin (co)polymerization includes bringing into contact with each other a magnesium compound, a tetravalent titanium halide compound, an organic compound represented the following general formula (1) R1k(C6H4-k)(COOR2)(COOR3) (1) and an organic compound represented the following general formula (2) R4R5C═C (COOR6)(COOR7) (2) wherein R1 is a halogen atom or an alkyl group, R2 and R3 are a linear alkyl group, R4 and R5 are independently an atom or group selected from a hydrogen atom, halogen, a linear alkyl group, a branched alkyl group a vinyl group, a linear or branched alkenyl group, a cycloalkenyl group, an aromatic hydrocarbon group, and R6 and R7 are independently a linear alkyl group, a branched alkyl group, a vinyl group, a linear or branched alkenyl group a cycloalkyl group, a cycloalkenyl group, or an aromatic hydrocarbon group.
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公开(公告)号：US10011669B2
公开(公告)日：2018-07-03
申请号：US14770974
申请日：2014-02-05
发明人： Toshihiko Sugano , Motoki Hosaka , Toshiya Uozumi
IPC分类号： C08F210/06 , C08F297/08
CPC分类号： C08F210/06 , C08F297/08 , C08F210/16 , C08F2500/12 , C08F10/00 , C08F4/651 , C08F2/001 , C08F4/6492 , C08F4/6465
摘要： A method for producing a propylene-based block copolymer ensures excellent olefin polymerization activity and activity with respect to hydrogen (hydrogen response) during polymerization, and produces a propylene-based block copolymer that exhibits a high MFR, high stereoregularity, and excellent rigidity. The method includes copolymerizing propylene and an α-olefin in the presence of a catalyst that includes (I) a solid catalyst component that includes titanium, magnesium, a halogen, and a compound represented by R1O—C(═O)—O—Z—OR2, and (II) a compound represented by R3pAlQ3-p, to obtain a propylene-based block copolymer.
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公开(公告)号：US09944536B2
公开(公告)日：2018-04-17
申请号：US14429675
申请日：2014-03-06
IPC分类号： C01G23/02
CPC分类号： C01G23/022
摘要： A technique is provided in which valuable material is recovered from solid recovered material generated during chlorinating process of titanium-containing raw material, and in particular, in which chlorine gas and titanium-containing raw material can be efficiently separated and recovered from the solid recovered material. The method for production of titanium tetrachloride includes: a chlorinating process in which titanium-containing raw material, coke and chlorine are reacted, a recovering process in which chlorine gas, titanium oxide and coke are recovered by treating solid recovered material which is byproduced during the chlorinating process, and a reusing process in which these recovered material are reused as raw material for the chlorinating process.
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公开(公告)号：US09796598B2
公开(公告)日：2017-10-24
申请号：US14777972
申请日：2014-03-14
发明人： Naomichi Hori , Takuma Yoshida
CPC分类号： C01G23/005 , B02C17/14 , C01P2004/61
摘要： A method for producing a potassium titanate easily and inexpensively produces a potassium titanate that exhibits high thermal stability and has a significantly low fibrous potassium titanate content. The method for producing a potassium titanate includes calcining a raw material mixture by heating the raw material mixture to a maximum calcination temperature that exceeds 1000° C. while controlling the heating rate from 1000° C. to the maximum calcination temperature to 15° C./min or less to obtain a calcine, and cooling the calcine while controlling the cooling rate from the maximum calcination temperature to 500° C. to 100° C./min or more, followed by grinding, the raw material mixture including a titanium compound and a potassium compound so that the molar ratio (number of moles of titanium compound on a titanium atom basis/number of moles of potassium compound on a potassium atom basis) of the number of moles of the titanium compound on a titanium atom basis to the number of moles of the potassium compound on a potassium atom basis is 2.7 to 3.3.
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