Patents Assigned to Sekisui Chemical Co., Ltd.
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Publication number: 20240162018Abstract: The adhesiveness of a treatment target made of a fluorine-based hard-to-adhere material is improved. A process gas containing any one or two or more among carbon monoxide, carbon dioxide, hydrogen, water vapor, ethanol, propanol, hexanol, ethylene glycol, and ammonia is supplied from a process gas supply unit 10 to a plasma generation unit 20. In the plasma generation unit 20, the process gas is activated by plasma and is brought into contact with a treatment target 9, and through a reaction caused by the contact, the residual ratio of fluorine atoms on a surface of the treatment target 9 is adjusted to 60% or less of that before the contact, and any one among a carbon atom, a hydrogen atom, and an oxygen atom, or a molecule containing one or more of these atoms is provided to the surface of the treatment target.Type: ApplicationFiled: March 11, 2022Publication date: May 16, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Eiji MIYAMOTO, Masato AKAHORI, Hideki KONDO, Mamoru HINO
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Publication number: 20240158625Abstract: The present invention provides a chlorinated polyvinyl chloride resin composition that is excellent in low-volatility in molding, processability after molding, thermal stability, and heat resistance and that enables the production of a molded body with high surface smoothness, and also provides a chlorinated polyvinyl chloride resin molded body. Provided is a chlorinated polyvinyl chloride resin composition containing: a chlorinated polyvinyl chloride resin; chlorinated polyethylene; and a thermal stabilizer, the chlorinated polyvinyl chloride resin containing a vinylidene unit in an amount of 3 to 32% by mass, the chlorinated polyvinyl chloride resin composition having a mass ratio of the chlorinated polyethylene to the thermal stabilizer (chlorinated polyethylene/thermal stabilizer) of 1.0 to 7.0, the chlorinated polyvinyl chloride resin composition having a loss on heating at 200° C. of less than 3% by mass.Type: ApplicationFiled: March 25, 2022Publication date: May 16, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kenichi MATSUMURA, Hiroaki MOCHIZUKI
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Publication number: 20240156093Abstract: The present invention provides a viral infection inhibitor capable of exhibiting an excellent viral infection inhibitory effect. The viral infection inhibitor of the present invention is characterized by including a compound having a salt of a sulfonic acid group and an organic acid, The organic acid preferably has a solubility of 20 g/L or less in water at 25° C., and therefore, the viral infection inhibitor has an excellent viral infection inhibitory effect against both enveloped viruses and non-enveloped viruses, and exhibits the viral infection inhibitory effect against various types of viruses.Type: ApplicationFiled: March 11, 2022Publication date: May 16, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kazuya NISHIHARA, Taro SUZUKI, Daichi KAWAMURA
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Patent number: 11981835Abstract: An interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant, which is excellent in followability to steps of a decorative printing portion or wiring upon filling of an interlayer space (lamination) and also excellent in defoaming properties to release air bubbles entrapped during filling of an interlayer space (lamination) or air bubbles left near the steps, which is less likely to be whitened and less likely to deteriorate an ITO film even under a high-temperature and high-humidity environment. The present invention also aims to provide a laminate produced using the interlayer filling material for a touch panel. The interlayer filling material includes: a polyvinyl acetal; a plasticizer; and an organic acid.Type: GrantFiled: March 2, 2022Date of Patent: May 14, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Juichi Fukatani, Ryousuke Ebina, Takazumi Okabayashi
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Publication number: 20240150626Abstract: An anticorrosive pressure-sensitive adhesive tape of the present invention comprises a pressure-sensitive adhesive layer, the anticorrosive pressure-sensitive adhesive tape preventing generation of rust in a cyclic corrosion test in accordance with Cycle D in JIS K5600-7-9 and having an adhesive force after the cyclic corrosion test of 20 N/25 mm or more. The present invention can provide an anticorrosive pressure-sensitive adhesive tape having a superior adhesive force and anticorrosive property than before.Type: ApplicationFiled: March 8, 2022Publication date: May 9, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Shouji KAJI, Takaaki SAKON, Shunichi MIYAMOTO, Hiroaki KOMATSU, Hinako ISHII
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Publication number: 20240150181Abstract: There are provided, for example, a reducing agent that can be used in a chemical looping method, a method of producing a gas using such a reducing agent and a method of increasing conversion efficiency, through which the efficiency of converting carbon dioxide into carbon monoxide is high. The reducing agent of the present invention is a reducing agent that produces valuables containing carbon by reducing carbon dioxide, including a granular support having a plurality of pores and an angle of repose of 45° or more and an oxygen carrier which is supported on the support and has oxygen ion conductivity. In addition, in the reducing agent of the present invention, the support preferably has an average pore size of 0.1 nm or more.Type: ApplicationFiled: March 3, 2022Publication date: May 9, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Risa SAKURAI, Keisuke IIJIMA, Koji TAKIZAWA, Souichirou SUZUKI
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Patent number: 11978959Abstract: An object is to provide a ?/4 radio wave absorber that includes a support, a resistive film, a dielectric layer, and a reflective layer, and that has higher radio wave absorption performance. The object is achieved by a ?/4 radio wave absorber that includes a support, a resistive film, a dielectric layer, and a reflective layer, and that satisfies formula (1): ?0.375x+1086.9<y<?0.375x+1140 wherein x represents a resistance value of the resistive film, and y=the thickness of the support×(the relative permittivity of the support)0.5+the thickness of the dielectric layer×(the relative permittivity of the dielectric layer)0.5.Type: GrantFiled: September 25, 2019Date of Patent: May 7, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Katsunori Mutou, Sachiko Nakao
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Patent number: 11975972Abstract: Provided is a carbon material that is large in specific surface area, and moreover, capable of easily forming an electrode film even when any binder is substantially not contained. Provided is a carbon material that has a BET specific surface area of 100 m2/g or more, with the weight of the carbon material remaining on a sieve after shaking being 90% by weight or more with respect to 100% by weight of the carbon material put in the sieve, when 0.2 g of the carbon material packed in a cylindrical syringe of 2 cm in diameter is compressed at a pressure of 16 kN, the whole of the compressed carbon material is taken out from the syringe and put in the sieve with an aperture of 4.75 mm, and the sieve is shaken for 1 minute.Type: GrantFiled: July 30, 2019Date of Patent: May 7, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Takuya Wada, Naoki Sasagawa
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Publication number: 20240141088Abstract: The present disclosure provides a novel and practical alcohol and derivatives thereof which have more industrial value than existing petrochemical raw materials. The present disclosure further provides ethanol, characterized in that a peak in gas chromatography measured by gas chromatograph mass spectrometry (GC/MS) has at least one peak with a retention time selected from (A) a peak of 5 minutes 25 seconds to 5 minutes 35 seconds and two peaks of 2 minutes 55 seconds to 3 minutes 5 seconds; (B) a peak of 12 minutes 30 seconds to 12 minutes 40 seconds; (C) a peak of 6 minutes 36 seconds to 6 minutes 45 seconds; and (D) a peak of 15 minutes 00 seconds to 15 minutes 15 seconds.Type: ApplicationFiled: November 6, 2023Publication date: May 2, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kokoro HAMACHI, Noritoshi YAGIHASHI, Haruka NISHIYAMA, Kazuto NATSUYAMA
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Publication number: 20240141082Abstract: The present invention provides a polyvinyl alcohol resin with which a polyvinyl acetal resin having a controlled particle size and forming less lumps during dissolution to exhibit excellent solubility can be produced. Provided is a polyvinyl alcohol resin containing: methyl acetate; a vinyl alcohol unit; and a vinyl acetate unit, the methyl acetate being contained in an amount of 0.05 to 3% by weight, the vinyl alcohol unit being contained in an amount of 80 to 99.5 mol %, the vinyl acetate unit having a mean chain length LA of 1 to 4.5, the vinyl alcohol unit having a mean chain length LO of 1 to 30.Type: ApplicationFiled: March 7, 2022Publication date: May 2, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuki ISHIKAWA, Masumi FUJITA, Shizuka SUGIHARA
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Publication number: 20240141222Abstract: The heat-conducting resin sheet according to an aspect of the present invention comprises a thermally conductive plate-shaped particle, a thermally conductive spherical particle, and a resin, wherein the heat-conducting resin sheet has a thermal conductivity of 5 W/m·K or more and a 30% compressive strength B of 1500 kPa or less as measured at a compression rate of 1.0 mm/min. Furthermore, a volume ratio of the thermally conductive plate-shaped particle to the thermally conductive spherical particle (volume of thermally conductive plate-shaped particle/volume of thermally conductive spherical particle) is 30/70 to 90/10, and the total volume of the thermally conductive plate-shaped particle and the thermally conductive spherical particle is 30 to 90% by volume. According to the present invention, there can be provided a heat-conducting resin sheet that is excellent in the thermal conductivity and flexibility and can suppress the increase in the stress even when compressed quickly.Type: ApplicationFiled: March 10, 2021Publication date: May 2, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuuki HOSHIYAMA, Kento TSUCHIYA, Nobuhiko INUI
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Publication number: 20240141183Abstract: Provided is a coating agent preparation kit with which a coating agent layer having a desired thickness can be satisfactorily obtained and a coating film can be easily formed. A coating agent preparation kit according to the present invention is a coating agent preparation kit for obtaining a coating agent by mixing, the coating agent preparation kit including a first composition and a second composition, the first composition including a curable compound curable with ultraviolet rays, heat, or moisture, and the second composition including hollow particles.Type: ApplicationFiled: March 4, 2022Publication date: May 2, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Akira KAMIYAMA, Satoru KUROZUMI
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Patent number: 11970609Abstract: Provided a resin sheet excellent in both flame retardancy and impact resistance. The resin sheet according to the present invention is a resin sheet including an aromatic polycarbonate resin; an inorganic filler; a phosphorus-containing compound; and a silicon-containing compound, the resin sheet having a first surface on one side in a thickness direction; and a section in a direction perpendicular to the first surface, the section having segmentation areas of the inorganic filler, and the resin sheet having a ratio of a standard deviation of the segmentation areas to an average of the segmentation areas, the ratio being 0.53 or less, the segmentation areas each calculated by a segmentation method.Type: GrantFiled: July 25, 2019Date of Patent: April 30, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroki Oozeki, Hirotaka Takano, Takuto Kosai
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Publication number: 20240136239Abstract: Provided is a curable composition for inkjet and air cavity formation, the curable composition capable of forming a cured product layer having a high aspect ratio and capable of enhancing adhesiveness and sealability. A curable composition for inkjet and air cavity formation according to the present invention contains a photocurable compound having a (meth)acryloyl group or a vinyl group and having no cyclic ether group, and a thermosetting compound having no (meth)acryloyl group and having a cyclic ether group, in which a content of the thermosetting compound in 100 wt % of the curable composition for inkjet and air cavity formation is 5 wt % or more, and when a B-staged product is obtained by irradiating the curable composition for inkjet and air cavity formation with light having a wavelength of 365 nm at an illuminance of 2000 mW/cm2, a viscosity at 40° C. of the B-staged product is 2.5×102 Pa·s or more and 3.0×10? Pa·s or less.Type: ApplicationFiled: April 13, 2022Publication date: April 25, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yusuke FUJITA, Takashi WATANABE, Mitsuru TANIKAWA, Yoshifumi SUGISAWA, Tomoya TANAKA, Takanori INOUE, Taichi HAMADA
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Publication number: 20240131633Abstract: Provided is a non-electroconductive flux capable of enhancing productivity and impact resistance of a connected structure to be obtained and suppressing occurrence of solder flash. The non-electroconductive flux according to the present invention contains an epoxy compound, an acid anhydride curing agent, and an organophosphorus compound.Type: ApplicationFiled: January 20, 2022Publication date: April 25, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Hidefumi YASUI, Kiyoto MATSUSHITA
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Publication number: 20240124729Abstract: Provided is an ink-jet adhesive that can suppress adhesion of an adhesive component to an unintended region of a transparent member when the transparent member is used as a member to be bonded. The ink-jet adhesive according to the present invention contains a photocurable compound having a (meth) acryloyl group or a vinyl group and having no cyclic ether group, and a photopolymerization initiator, contains or does not contain a thermosetting compound having no (meth) acryloyl group and having a cyclic ether group, and a content of the thermosetting compound is 5 wt % or less when the ink-jet adhesive contains the thermosetting compound.Type: ApplicationFiled: March 25, 2022Publication date: April 18, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yoshifumi SUGISAWA, Takashi WATANABE, Mitsuru TANIKAWA, Yusuke FUJITA, Taichi HAMADA, Tomoya TANAKA
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Patent number: 11958270Abstract: Provided is an interlayer film for laminated glass capable of enhancing the heat shielding property, suppressing multiple images, and satisfactorily displaying an image. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass for use in a laminated glass serving as a head-up display, the interlayer film has a region for display corresponding to a display region of the head-up display, the interlayer film includes an infrared reflective layer, a first resin layer containing a thermoplastic resin, and a second resin layer containing a thermoplastic resin, the first resin layer is arranged on a first surface side of the infrared reflective layer, the second resin layer is arranged on a second surface side opposite to the first surface of the infrared reflective layer, at least one of the first resin layer and the second resin layer has a wedge angle of 0.Type: GrantFiled: March 29, 2019Date of Patent: April 16, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Atsushi Nohara, Yuusuke Oota
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Patent number: 11958931Abstract: A flame-retardant urethane resin composition comprises a polyisocyanate compound, a polyol compound, a trimerization catalyst, a foaming agent, a foam stabilizer, and an additive, in which the trimerization catalyst is at least one selected from the group consisting of a nitrogen-containing aromatic compound, a carboxylic acid alkali metal salt, a tertiary ammonium salt, and a quaternary ammonium salt, and the additive comprises red phosphorus and at least one selected from the group consisting of a phosphoric acid ester, a phosphate-containing flame retardant, a bromine-containing flame retardant, a boron-containing flame retardant, an antimony-containing flame retardant, and a metal hydroxide.Type: GrantFiled: April 28, 2020Date of Patent: April 16, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Taichi Makida, Toshitaka Yoshitake, Yousuke Okada, Takehiko Ushimi
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Patent number: 11961815Abstract: A sintered material excellent in thermal stress and bonding strength; a connection structure containing the sintered material; a composition for bonding with which the sintered material can be produced; and a method for producing the sintered material. The sintered material has a base portion, buffer portions, and filling portions. The buffer portions and filling portions are dispersed in the base portion. The base portion is a metal sintered body, each buffer portion is formed from a pore and/or material that is not the same as the sintered body, and each filling portion is formed from particles and/or fibers. The sintered material satisfies A>B. A is the kurtosis of volume distribution of the base portions in a three-dimensional image of the sintered material. B is the kurtosis of volume distribution of the base portions in a three-dimensional image of the sintered material from which the filling portions are removed.Type: GrantFiled: February 20, 2018Date of Patent: April 16, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroyuki Nomoto, Masao Sasadaira
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Patent number: 11952476Abstract: Provided is a thermoplastic resin film with which a glass plate-including laminate that looks different in color tone depending on the direction or angle can be obtained. A thermoplastic resin film according to the present invention includes a thermoplastic resin and a pigment, and when the thermoplastic resin film is planarly viewed with a transmission electron microscope, a number of pigments having an aspect ratio of 3 or more and 50 or less is 3 or more and 100 or less in a rectangular region of 13 ?m long and 18 ?m wide.Type: GrantFiled: October 19, 2022Date of Patent: April 9, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Shougo Yoshida, Atsushi Nohara