Patents Assigned to Sekisui Chemical Co., Ltd.
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Patent number: 12043722Abstract: The present invention provides a conductive paste which leaves less fine undissolved matter when dissolved in an organic solvent and thus can be easily filtrated, which has excellent printability, and which can exhibit excellent surface smoothness after printing. Provided is a conductive paste used for forming an electrode of a multilayer ceramic capacitor, the conductive paste containing: a polyvinyl acetal resin; an organic solvent; and a conductive powder, the polyvinyl acetal resin having a wave number A (cm?1) of a peak within a range of 3,100 to 3,700 cm?1 in an IR absorption spectrum measured using an infrared spectrophotometer; and a hydroxy group content (mol %), the wavenumber A of the peak and the hydroxy group content satisfying relations of the following formulas (1) and (2): [(3,470?A)/Hydroxy group content]?5.Type: GrantFiled: September 25, 2020Date of Patent: July 23, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroko Kobayashi, Kazuto Nakamura
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Publication number: 20240240057Abstract: A pressure-sensitive adhesive tape of the present invention includes a paper base material and a pressure-sensitive adhesive layer provided on a surface of the paper base material, wherein the pressure-sensitive adhesive layer includes a rubber component containing natural rubber, wherein the pressure-sensitive adhesive layer has a biobased content of 15% or more, SP adhesive force of 4 N/24 mm or more, and a ball tack value of 8 or more. According to the present invention, the pressure-sensitive adhesive tape having a reduced environmental impact and excellent packing performance can be provided.Type: ApplicationFiled: May 11, 2022Publication date: July 18, 2024Applicant: Sekisui Chemical Co., Ltd.Inventors: Kiyoshirou NARIMATSU, Nobuto KAMIYA, Kensuke TSUMURA, Kenta HAYASHI
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Publication number: 20240239085Abstract: Provided is a dispersion capable of enhancing the transparency and the heat shielding property of an obtained interlayer film for laminated glass when a material containing the dispersion is used as a material for the interlayer film for laminated glass. The dispersion according to the present invention includes tin-doped indium oxide particles having at least one configuration selected from the group consisting of a first configuration (when a sum total of integrated intensities of peaks in wide-angle X-ray scattering is represented by It, and integrated intensity of a peak of (222) plane is represented by I0, I0/It is less than 0.380), a second configuration (when integrated intensity of a peak of (222) plane in wide-angle X-ray scattering is represented by I0, and integrated intensity of a peak of (622) plane is represented by Ia, Ia/I0 is 0.Type: ApplicationFiled: May 17, 2022Publication date: July 18, 2024Applicants: SEKISUI CHEMICAL CO., LTD., Mitsubishi Materials Electronic Chemicals Co., Ltd.Inventors: Atsushi NOHARA, Eri ASANO
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Patent number: 12037423Abstract: The present invention provides a chlorinated polyvinyl chloride resin that enables excellent continuous productivity in molding and that enables a molded article to have both processability and unevenness-preventing properties. Provided is a chlorinated polyvinyl chloride resin having, in Raman measurement by Raman spectroscopy, an average of a ratio (A/B) of a peak intensity A observed in a range of 660 to 700 cm?1 to a peak intensity B observed in a range of 600 to 650 cm?1 of 0.50 to 2.00, and a standard deviation of the A/B of 0.090 or less.Type: GrantFiled: March 27, 2020Date of Patent: July 16, 2024Assignees: SEKISUI CHEMICAL CO., LTD., TOKUYAMA SEKISUI CO., LTD.Inventors: Norikazu Mashino, Kento Murakami, Isao Higuchi, Yasunari Kusaka, Takashi Muramoto
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Publication number: 20240234226Abstract: 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 14, 2022Publication date: July 11, 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: 20240227089Abstract: 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: July 11, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Hidefumi YASUI, Kiyoto MATSUSHITA
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Patent number: 12031014Abstract: A composition comprising: a substance (A) comprising at least one metal atom selected from the group consisting of zinc, cobalt, niobium, zirconium, cadmium, copper, nickel, chromium, vanadium, titanium, molybdenum, magnesium, iron and aluminum, with the proviso that a metal organic framework is excluded; an organic substance (B) having at least two metal coordination sites capable of being coordinated to the metal atom to form a crystal, wherein the metal coordination sites are of at least one type selected from the group consisting of a carboxy group and a metal organic framework; and a coordination promoter (C) that undergoes a reaction or a phase transition upon stimulation to promote the coordination of the metal coordination sites of the organic substance (B) to the metal atom of the substance (A).Type: GrantFiled: August 22, 2018Date of Patent: July 9, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Atsushi Ikoma, Shigeki Nomura, Rasika Dasanayake Aluthge
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Patent number: 12031000Abstract: The present invention relates to a polyvinyl alcohol film comprising a vinyl alcohol-based polymer, wherein, when the polyvinyl alcohol film is measured by a solid echo method using pulse NMR at 60° C. for waveform separation of a free induction decay curve of 1H spin-spin relaxation into three curves derived from three components a component A, a component B, and a component C in order of short relaxation time, the component B has a resulting relaxation time of 0.03 milliseconds or more and 0.05 milliseconds or less, and a resulting component ratio of 30% or more and 50% or less. From the polyvinyl alcohol film according to the present invention, a polarizing film having good polarization performance can be manufactured without the occurrence of unevenness of dyeing.Type: GrantFiled: March 28, 2019Date of Patent: July 9, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yohei Nishimura, Yasunari Kusaka, Nami Nakajima
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Publication number: 20240217224Abstract: The present invention provides a laminate that can maintain sufficient strength even after combustion and that can reduce a strength decrease due to flame and heat caused by ignition inside a battery especially when the laminate is used as a cover for an in-vehicle battery. Provided is a laminate including: a base layer containing a resin and a fiber; and a sintering layer containing a thermoplastic resin and a sintering promoter.Type: ApplicationFiled: March 25, 2022Publication date: July 4, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroaki MOCHIZUKI, Kenichi MATSUMURA, Takehisa SUGAYA
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Patent number: 12023647Abstract: Provided is a method for reusing an adsorbent which can stably exhibit purification ability by regenerating a used absorbent, in order to keep the composition of a purified syngas constant. The present invention concerns a method for regenerating a zeolite adsorbent which adsorbs a carbon dioxide gas from a syngas comprising the carbon dioxide gas and reduces the concentration of the carbon dioxide gas in the syngas, comprising: a step of recovering a used zeolite adsorbent; a step of calcining the used zeolite adsorbent at a temperature of 300° C. to 600° C. in an oxygen atmosphere to produce a regenerated zeolite adsorbent; and a step of reusing the regenerated zeolite adsorbent.Type: GrantFiled: September 25, 2019Date of Patent: July 2, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Kazuto Natsuyama, Kokoro Hamachi
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Publication number: 20240209240Abstract: The present invention aims to provide an adhesive tape achieving both excellent adhesion and excellent holding power and an adhesive composition used for the adhesive tape. Provided is an adhesive tape including an adhesive layer, the adhesive layer having a shear storage modulus at 100° C. of 4.0×104 Pa or greater and 1.0×106 Pa or less as measured using a dynamic viscoelasticity measuring device at a measurement frequency of 1 Hz, and an elongation at break at 25° C. of 800% or greater as measured using a tensile tester at a tensile speed of 300 mm/min.Type: ApplicationFiled: April 27, 2022Publication date: June 27, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yudai OGATA, Nagisa TSUJI, Akira SHIMOJITOSHO
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Publication number: 20240207848Abstract: Provided is a tape laminate so that peeling due to gas generation is less likely to occur and gas leakage and contamination can be suppressed when the tape laminate is used for sealing a fluidic path. A tape laminate 1 includes: a first base material 2; a first adhesive layer 3 that is provided on a main surface 2a of the first base material 2 and contains a gas generating agent that generates a gas by applying light or heat; and a second adhesive layer 4 that is provided directly or indirectly on a main surface 3a of the first adhesive layer 3 and has a through hole 6.Type: ApplicationFiled: July 7, 2022Publication date: June 27, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Shoutarou KOBARU, Sou YAMAGUCHI, Katsura UCHIDA, Tatsunori TAKAMATSU
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Publication number: 20240208185Abstract: A resin film comprising a light diffusion layer comprising a light diffusion particle and a thermoplastic resin, wherein, when a laminated glass obtained by adhesion of two sheets of clear glass having a thickness of 2.5 mm with the resin film being interposed is irradiated with simulated solar light by a solar simulator, an x value and a y value of chromaticity coordinates (CIE1931) of transmitted light are respectively 0.25 or more and 0.4 or less and 0.25 or more and 0.4 or less.Type: ApplicationFiled: May 31, 2022Publication date: June 27, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventor: Yuusuke OOTA
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Publication number: 20240191109Abstract: The present invention aims to provide an adhesive tape achieving both excellent adhesion and excellent holding power. Provided is an adhesive tape including an adhesive layer, the adhesive layer having scattering peaks in a scattering vector q range from 0.05 nm?1 to 1.0 nm?1 in small-angle X-ray scattering (SAXS) measurements at 23° C. and 100° C., and the adhesive layer having peaks of a loss tangent tan ? as determined by dynamic viscoelasticity measurement at a measurement frequency of 1 Hz, a temperature of a peak observed at the highest temperature among the peaks being 45° C. or lower.Type: ApplicationFiled: April 27, 2022Publication date: June 13, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yudai OGATA, Nagisa TSUJI, Akira SHIMOJITOSHO, Takamichi SHINOHARA
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Publication number: 20240186520Abstract: The present invention provides a resin composition for a secondary battery electrode that is excellent in the dispersibility of active materials, resistance against electrolyte solutions, and coating film density and capable of achieving both high conductivity and adhesion. Provided is a resin composition for a secondary battery electrode, the resin composition containing: an active material; a non-aqueous solvent; and a polyvinyl acetal resin, the polyvinyl acetal resin including a structural unit containing a halogen atom, and having a Vicat softening temperature of 50° C. or higher and 150° C. or lower.Type: ApplicationFiled: March 18, 2022Publication date: June 6, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Jun SASAKI, Yutaro ASABA, Keisuke TAKENAKA, Ryou SAKAMOTO
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Publication number: 20240182668Abstract: The present invention provides a resin composition that has excellent application properties and excellent adhesion, can achieve high electron conductivity simultaneously with the dispersibility and dispersion stability of fibrous carbon materials, and enables production of lithium secondary batteries having high capacity retention. Provided is a resin composition containing: a fibrous carbon material; a non-aqueous solvent; and a polyvinyl acetal resin, the polyvinyl acetal resin including a structural unit containing an acidic functional group, and having an average degree of polymerization of 150 or greater and 1,500 or less and a hydroxy group content of 40.0 mol % or greater and 80.0 mol % or less.Type: ApplicationFiled: March 23, 2022Publication date: June 6, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yutaro ASABA, Jun SASAKI, Keisuke TAKENAKA, Ryou SAKAMOTO
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Publication number: 20240178397Abstract: The present invention provides an all-solid-state battery composition that is excellent in dispersibility of an active material or an electrolyte and adhesion, can provide a high-strength coating film or molded body, and enables the production of a high-capacity all-solid-state battery with low electrode resistance, and also provides an all-solid-state battery including the all-solid-state battery composition. The present invention relates to an all-solid-state battery composition to be used for an all-solid-state battery, the composition containing: an active material and/or a solid electrolyte; a polyvinyl acetal resin; and an organic solvent, the polyvinyl acetal resin having an average degree of polymerization of 5,000 or greater and 10,000 or less.Type: ApplicationFiled: March 25, 2022Publication date: May 30, 2024Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takayuki MAEDA, Yutaro ASABA
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Publication number: 20240166822Abstract: A side chain type alkyl-modified silicone resin of the present invention is represented by the following general formula (1). In formula (1), R1 is a hydrogen atom or an alkenyl group, R2 is a long-chain alkyl group I having from 6 to 14 carbon atoms, R3 is a long-chain alkyl group II having from 15 to 18 carbon atoms, R4 is a methyl group or an ethyl group; w, x, y, and z represent the number of units of each structural unit; a percentage of x is from 5 to 80%, a percentage of y is from 15 to 80%, and a percentage of the sum of x and y is from 80 to 100%, with respect to the sum of w, x, y, and z; and x/y is from 0.1 to 10. The present invention is directed to providing a silicone resin that has high thermal conductivity while maintaining flexibility.Type: ApplicationFiled: March 29, 2022Publication date: May 23, 2024Applicant: Sekisui Chemical Co., Ltd.Inventors: Hiroya ISHIDA, Manish KAYAL
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Publication number: 20240166820Abstract: A side chain type alkyl-modified silicone resin of the present invention is represented by the following general formula (1). In general formula (1), R1 is a hydrogen atom or an alkenyl group, R2 is an alkyl group I having from 1 to 14 carbon atoms, R3 is an alkyl group II having from 15 to 18 carbon atoms, R5 and R6 are each independently a hydrogen atom or a methyl group, R4 is a methyl group or an ethyl group; w, x, y, and z represent the number of units of each structural unit; w, x, y, and z may each be 0; x and y are not 0 at the same time; and a percentage of the sum of x and y with respect to the sum of w, x, y, and z is from 80 to 100%. According to the present invention, a silicone resin can be provided that has high thermal conductivity while maintaining flexibility.Type: ApplicationFiled: March 29, 2022Publication date: May 23, 2024Applicant: Sekisui Chemical Co., Ltd.Inventors: Hiroya ISHIDA, Manish KAYAL
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Patent number: 11987020Abstract: The present invention aims to provide an interlayer film for a laminated glass that enables production of a laminated glass having high visible light transmittance even when deaeration for preliminary pressure bonding and heating for final pressure bonding are performed in parallel in a vacuum deaeration method. The present invention also aims to provide a method for producing the interlayer film for a laminated glass, and a laminated glass including the interlayer film for a laminated glass. Provided is an interlayer film for a laminated glass having a multitude of recesses on at least one surface, the surface with the recesses having a texture aspect ratio Str of 0.04 or lower as measured in conformity with ISO 25178.Type: GrantFiled: February 14, 2023Date of Patent: May 21, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventor: Kazuhiko Nakayama