Patents Assigned to Sekisui Chemical Co., Ltd.
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Publication number: 20240084159Abstract: A coating agent comprising an amine-modified polyvinyl alcohol and at least one compound (A) selected from the group consisting of a compound (A1) represented by formula (1) below and a compound (A2) represented by formula (2) below: wherein R1 to R6 and R11 to R18 each independently represent any of a carboxyl group, a sulfo group, a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, and a halogen atom, one of R1 to R6 is any of a carboxyl group and a sulfo group, two or three of R1 to R6 are each a hydroxyl group, one of R11 to R18 is any of a carboxyl group and a sulfo group, and two or three of R11 to R18 are each a hydroxyl group.Type: ApplicationFiled: March 23, 2022Publication date: March 14, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventor: Takahisa CHITOU
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Publication number: 20240088570Abstract: Provided are a structure and a building material that are capable of reflecting radio waves over a wide range of space.Type: ApplicationFiled: January 28, 2022Publication date: March 14, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroyuki NOMOTO, Toshio ENAMI
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Publication number: 20240084058Abstract: The present invention is a polyvinyl alcohol-based film comprising a polyvinyl alcohol resin, having tan ? of 0.20 or less at 30° C. in a width direction of the film under an air atmosphere of a relative humidity of 50% RH, and a storage modulus of 11.2×106 to 20×106 Pa at 140° C. in the width direction of the film under a dry atmosphere. According to the present invention, a polyvinyl alcohol-based film having good formability can be provided.Type: ApplicationFiled: October 30, 2023Publication date: March 14, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventor: Yasuyuki IEDA
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Publication number: 20240083147Abstract: Provided is a laminated glass in which creasing is reduced in the interlayer film and having excellent appearance although an interlayer film including a film having optical properties is used.Type: ApplicationFiled: December 21, 2021Publication date: March 14, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kinryou CHOU, Atsushi NOHARA
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Publication number: 20240066833Abstract: The present invention aims to provide a foam, a laminated foam, and a resin sheet that are capable of exhibiting particularly excellent vibration-damping properties while being lightweight and are useful for recycling interlayer films for a laminated glass. The present invention also aims to provide a building material for housing including any of the foam, the laminated foam, and the resin sheet. Provided is a foam having a plurality of cells, the foam containing a polyvinyl acetal; a plasticizer; and a thermoplastic elastomer and/or a liquid crystal polymer.Type: ApplicationFiled: February 3, 2022Publication date: February 29, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yoshikazu MASUYAMA, Katsunori TAKAHASHI, Takanori HAMADA
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Patent number: 11912905Abstract: The present invention aims to provide an adhesive tape capable of exhibiting excellent adhesion to rough surfaces. The present invention also aims to provide a method for fixing an electronic device component or an in-vehicle device component using the adhesive tape and a method for producing an electronic device or an in-vehicle device. Provided is an adhesive tape including an adhesive layer containing an acrylic copolymer, the acrylic copolymer containing 30% by weight or more of a structural unit derived from n-heptyl (meth)acrylate and 0.01% by weight or more and 30% by weight or less of a structural unit derived from 1-methylheptyl (meth)acrylate.Type: GrantFiled: March 22, 2022Date of Patent: February 27, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Aya Adachi, Yudai Ogata, Noriyuki Uchida, Yoshito Arai
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Patent number: 11912855Abstract: The present invention provides a resin composition for molding capable of producing a molded article that has excellent heat distortion resistance, excellent mechanical properties, high impact resistance, and high transparency and has a smaller change in weight at high temperature. The present invention also provides a molded article and a joint each produced from the resin composition for molding.Type: GrantFiled: March 27, 2020Date of Patent: February 27, 2024Assignees: SEKISUI CHEMICAL CO., LTD., TOKUYAMA SEKISUI CO., LTD.Inventors: Tomohiro Horinouchi, Hiroshi Taniguchi
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Publication number: 20240059569Abstract: A gas production device 1 comprises a connection unit 2 for supplying an exhaust gas including carbon dioxide CO2, a reducing gas supply unit 3 that supplies a reducing gas including H2 that reduces a reducing agent 4R that has been brought into an oxidized state by contact with the carbon dioxide CO2, the reducing agent including a metal oxide that generates CO by reducing the carbon dioxide CO2, and a reaction unit 4 provided with a plurality of reactors 4a to 4d connected respectively to the connection unit 2 and the reducing gas supply unit 3, and with the educing agent 4R that is contained in each of the reactors 4a to 4d, in which the reaction unit 4 being capable of switching between the oxidizing gas and the reducing gas to be supplied to each of the reactors 4a to 4d.Type: ApplicationFiled: December 27, 2021Publication date: February 22, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Tsuyoshi TONO, Yuki NAKAMA, Masaki NAKAMURA
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Patent number: 11908629Abstract: The present invention provides an electret sheet that has excellent durability against a pressing force that is repetitively applied, that is, excellent compression recovery properties, and can suppress stuffiness even when used by attaching it to the skin of a human body. The electret sheet of the present invention has an air permeability of 10 to 1,000 sec/100 mL. Thus, the electret sheet has excellent durability against a pressing force that is repetitively applied, that is, excellent compression recovery properties, and can suppress stuffiness even when used by attaching it to the skin of a human body.Type: GrantFiled: August 23, 2019Date of Patent: February 20, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tetsuhiro Kato, Nobuto Kamiya, Yasuyuki Shirasaka, Yuuta Katsurayama, Ryousuke Takahashi
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Publication number: 20240052302Abstract: Provided is a cell culture microcarrier capable of suppressing the aggregation of a microcarrier due to cell clumps and enhancing the efficiency of culturing cells. The cell culture microcarrier according to the present invention includes a base particle and a coating layer coating the outer surface of the base particle, and has a specific gravity of 1.10 g/cm3 or more.Type: ApplicationFiled: February 2, 2022Publication date: February 15, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kenta TAKAKURA, Satoshi HANEDA, Yuuta NAKAMURA
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Publication number: 20240052301Abstract: Provided is a microcarrier for cell culture in which adhesion between microcarriers due to a cell mass can be suppressed. The microcarrier for cell culture according to the present invention includes a base particle and a coating layer covering an outer surface of the base particle, and the coating layer includes a resin having a polyvinyl alcohol derivative skeleton or a poly(meth)acrylic acid ester skeleton and having a peptide moiety, and the microcarrier has an average particle size of 300 ?m or more and a CV value of particle size of 10% or less.Type: ApplicationFiled: February 2, 2022Publication date: February 15, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Satoshi HANEDA, Hiroki IGUCHI
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Publication number: 20240043691Abstract: The present invention provides a near-infrared transmitting black material that can sufficiently absorb visible light and sufficiently inhibit the absorption of near-infrared light. Provided is a near-infrared transmitting black material containing an oxazine resin.Type: ApplicationFiled: August 31, 2021Publication date: February 8, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Mikitoshi SUEMATSU, Ren-de SUN, Hiroji FUKUI, Masahiro ISHII
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Patent number: 11895762Abstract: An irradiator includes: a first electrode to which a voltage is applied for generating a plasma; and a holding member holding the first electrode; wherein: the holding member has a first member and a second member that are in contact with each other to constitute an accommodation space accommodating the first electrode; and a contact surface between the first member and the second member includes a non-perpendicular contact surface that is non-perpendicular to an axis of the first electrode.Type: GrantFiled: March 17, 2021Date of Patent: February 6, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tatsuya Matsuo, Yoshishige Takikawa, Yu Nagahara, Naomichi Saito, Masaki Iwasaki, Takaya Oshita
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Patent number: 11884782Abstract: Provided is a resin particle that can be uniformly brought into contact with an adherend, can effectively enhance adhesion to a conductive portion and impact resistance when electrodes are electrically connected to each other using a conductive particle having the conductive portion formed on a surface thereof, and further can effectively reduce connection resistance. In the resin particle according to the present invention, an exothermic peak is observed when differential scanning calorimetry is performed by heating the resin particle at a temperature rising rate of 5° C./min from 100° C. to 350° C. in an air atmosphere.Type: GrantFiled: March 18, 2020Date of Patent: January 30, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroyuki Morita, Takeshi Wakiya
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Patent number: 11884039Abstract: Provided is an insulating sheet capable of effectively enhancing thermal conduction and adhesiveness. The insulating sheet according to the present invention contains a thermosetting component and a thermally conductive filler, the thermally conductive filler contains boron nitride, the insulating sheet has a first surface on one side in a thickness direction and a second surface on the other side in the thickness direction, and a first content of the boron nitride in 100% by volume of a region having a thickness of 10% of a thickness of the sheet, from the first surface toward the second surface is smaller than a second content of the boron nitride in 100% by volume of a region having a thickness of 90% of a thickness of the sheet, from the second surface toward the first surface.Type: GrantFiled: May 9, 2018Date of Patent: January 30, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Masataka Sugimoto, Keigo Oowashi, Kouji Ashiba, Yuko Kawahara
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Publication number: 20240026195Abstract: The present invention aims to provide an adhesive tape for semiconductor device production which exhibits excellent chip component separability and can reduce adhesive deposits on chip components. Provided is an adhesive tape for semiconductor device production, including: a substrate; an ablation layer; a barrier layer; and a first adhesive layer in this order.Type: ApplicationFiled: September 5, 2022Publication date: January 25, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Noriyuki UCHIDA, Takuma GOTOU
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Publication number: 20240017233Abstract: A gas production device and a gas production system capable of continuously and stably manufacturing a produced gas containing carbon monoxide from a raw material gas containing carbon dioxide are provided. A gas production device 1 manufactures a produced gas containing carbon monoxide by bringing a raw material gas containing carbon dioxide into contact with a reducing agent containing a metal oxide that reduces the carbon dioxide.Type: ApplicationFiled: August 4, 2020Publication date: January 18, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuki NAKAMA, Rasika DASANAYAKE ALUTHGE, Masaki NAKAMURA, Taiyou MORI, Fiona MUKHERJEE
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Publication number: 20240017523Abstract: An interlayer film structure (11) is used with being sandwiched between two transparent panels (12) and (13), and comprises a first light-modulating film (21) capable of switching between light transmission and light scattering, and a second light-modulating film (22) capable of adjusting a visible light transmittance, and the first and second light-modulating films (21) and (22) are arranged in a thickness direction.Type: ApplicationFiled: November 5, 2021Publication date: January 18, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yasuyuki IZU, Daisuke NAKAJIMA, Masashi YANAI
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Patent number: 11873398Abstract: Provided is an interlayer insulating material that can enhance the adhesion between an insulating layer and a metal layer, and can reduce the surface roughness on a surface of the insulating layer. The present invention is an interlayer insulating material used for a multilayer printed wiring board, which contains an epoxy compound, a curing agent, a silica, and a polyimide, and in which the polymide is a reactant of a tetracarboxylic anhydride and a dimer acid diamine, a content of the silica is 30% by weight or more and 90% by weight or less in 100% by weight of components excluding a solvent in the interlayer insulating material, and the total content of the epoxy compound and the curing agent in 100% by weight of components excluding the silica and a solvent in the interlayer insulating material is 65% by weight or more.Type: GrantFiled: September 28, 2017Date of Patent: January 16, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tatsushi Hayashi, Takashi Nishimura, Susumu Baba
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Publication number: 20240010500Abstract: A gas production device and a gas production system capable of efficiently manufacturing a produced gas containing carbon monoxide from a raw material gas containing carbon dioxide are provided. The gas production device 1 is an apparatus that manufactures a produced gas containing carbon monoxide by bringing a raw material gas containing carbon dioxide into contact with a reductant that reduces the carbon dioxide.Type: ApplicationFiled: August 4, 2020Publication date: January 11, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuki NAKAMA, Rasika DASANAYAKE ALUTHGE