Patents Assigned to Sekisui Chemical Co., Ltd.
  • Publication number: 20240136239
    Abstract: 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: Application
    Filed: April 13, 2022
    Publication date: April 25, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yusuke FUJITA, Takashi WATANABE, Mitsuru TANIKAWA, Yoshifumi SUGISAWA, Tomoya TANAKA, Takanori INOUE, Taichi HAMADA
  • Publication number: 20240131633
    Abstract: 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: Application
    Filed: January 20, 2022
    Publication date: April 25, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hidefumi YASUI, Kiyoto MATSUSHITA
  • Publication number: 20240124729
    Abstract: 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: Application
    Filed: March 25, 2022
    Publication date: April 18, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshifumi SUGISAWA, Takashi WATANABE, Mitsuru TANIKAWA, Yusuke FUJITA, Taichi HAMADA, Tomoya TANAKA
  • Patent number: 11958270
    Abstract: 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: Grant
    Filed: March 29, 2019
    Date of Patent: April 16, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Atsushi Nohara, Yuusuke Oota
  • Patent number: 11958931
    Abstract: 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: Grant
    Filed: April 28, 2020
    Date of Patent: April 16, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Taichi Makida, Toshitaka Yoshitake, Yousuke Okada, Takehiko Ushimi
  • Patent number: 11961815
    Abstract: 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: Grant
    Filed: February 20, 2018
    Date of Patent: April 16, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroyuki Nomoto, Masao Sasadaira
  • Patent number: 11952476
    Abstract: 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: Grant
    Filed: October 19, 2022
    Date of Patent: April 9, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Atsushi Nohara
  • Patent number: 11945191
    Abstract: Provided is a laminated glass set of a plurality of laminated glasses having excellent appearance designability. A laminated glass set according to the present invention is a set of a plurality of laminated glasses, each laminated glass includes an interlayer film part having a colored part, the colored part has a specific gradation part, the gradation part forms a tip of the colored part on the other end side of the interlayer film part, and when distance X from one end of the interlayer film part to a tip of the colored part on the other end side of the interlayer film part is measured in each of the plurality of laminated glasses, the laminated glass set satisfies (|Xmax?Xmin|)/Xave?0.1, or when distance Y of the colored part in the direction connecting one end and the other end of the interlayer film part is measured in each of the plurality of laminated glasses, the laminated glass set satisfies (|Ymax?Ymin|)/Yave?0.1.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: April 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Hiroaki Inui
  • Patent number: 11945928
    Abstract: Provided are a polyol composition in which hard caking does not occur when stored for a long period of time, and a polyurethane foam using the same. The polyol composition comprises a polyol compound, a foaming agent, a filler, and a metal oxide fine particle, the foaming agent including a hydrofluoroolefin, and the metal oxide fine particle having a count number ratio of OH ions of a metal constituting the metal oxide fine particle with respect to a total count number of all ions measured using time-of-flight secondary ion mass spectrometry of 0.1 or less.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: April 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takehiko Ushimi, Kazuhiro Okada, Masako Okamoto
  • Patent number: 11945192
    Abstract: Provided is an interlayer film for laminated glass with which distortion in the appearance of the laminated glass can be significantly suppressed. The interlayer film for laminated glass according to the present invention has one end, and the other end being at the opposite side of the one end, the other end has a thickness that is larger than a thickness of the one end, the interlayer film as a whole has a wedge angle of 0.1 mrad or more, and the following absolute value A in all sections A located every 150 mm in the following measurement of partial wedge angles is 0.4 mrad or less.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiromitsu Nishino, Yuusuke Oota
  • Patent number: 11947144
    Abstract: The present invention relates to a polyvinyl alcohol film comprising a vinyl alcohol-based polymer, the polyvinyl alcohol film having an NMR signal intensity at 0.10 milliseconds of 78% or less of the initial intensity, when the polyvinyl alcohol film after immersing in water at 60° C. for 2 hours is measured as a measurement sample by a solid echo method using pulse NMR at 60° C. According to the polyvinyl alcohol film of the present invention, a polarizing film having good polarization performance, which is unlikely to decrease even under high humidity, can be manufactured.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yohei Nishimura, Yasunari Kusaka, Nami Nakajima
  • Patent number: 11949112
    Abstract: A current collector layer for an all-solid-state battery is provided with which a good electron path can be easily formed and rate characteristic can be improved. A current collector layer 5 for an all-solid-state battery 1, the current collector layer 5 including: a carbon material; and a solid electrolyte, the all-solid-state battery 1 including a group 1 or 2 ion conductive solid electrolyte layer 2, the carbon material being mixed with Si at a weight ratio of 1:1 to produce a mixture, the mixture having an X-ray diffraction spectrum having a ratio of a peak height a to a peak height b, a/b, of 0.2 or more and 10.0 or less as being measured, the peak height a being highest in a range of 2? of 24° or more and less than 28°, and the peak height b being highest in a range of 2? of 28° or more and less than 30°.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: April 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuuki Sawada, Hiroki Masuda
  • Patent number: 11940458
    Abstract: A measurement tool includes: a measurement tool body including a sample collection unit for collecting a liquid sample by a capillary phenomenon, and a liquid feed channel; and a lid body attachable to and detachable from the measurement tool body. The liquid feed channel includes an upstream side channel and a downstream side channel. A space is defined, into which an upstream side end of the sample collection unit and a downstream side end of the upstream side channel open, when the lid body is attached to the measurement tool body. The downstream side channel is connected to a downstream side end of the sample collection unit. The space is open when the lid body is separated from the measurement tool body, and the space is closed and the upstream side channel and the sample collection unit are connected when the lid body is attached to the measurement tool body.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 26, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tsutomu Nakamura, Kazuhiko Imamura, Nobuhiko Inui, Ryousuke Takahashi
  • Patent number: 11932785
    Abstract: The present invention provides an epoxy adhesive composition capable of reducing re-aggregation of an adhesive layer modifier, maintaining favorable viscosity for a long period of time, exhibiting high adhesiveness, and reducing process failures during application of the adhesive. Provided is an epoxy adhesive composition containing: a modified polyvinyl acetal resin having a constitutional unit with an acid-modified group; an adhesive layer modifier; and an epoxy resin, the epoxy adhesive composition having a ratio of an acid-modified group equivalent of the modified polyvinyl acetal resin to an epoxy equivalent of the epoxy resin (acid-modified group equivalent/epoxy equivalent) of 5.0 to 150.0, the epoxy adhesive composition having a number ratio of the acid-modified group to an epoxy group (acid-modified group number/epoxy group number) of 0.0005 to 0.5.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: March 19, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tasuku Yamada, Shiori Tateno, Yousuke Chiba, Takayuki Maeda, Yukio Ochitani, Hideaki Tanaka
  • Publication number: 20240083147
    Abstract: 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: Application
    Filed: December 21, 2021
    Publication date: March 14, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kinryou CHOU, Atsushi NOHARA
  • Publication number: 20240088570
    Abstract: Provided are a structure and a building material that are capable of reflecting radio waves over a wide range of space.
    Type: Application
    Filed: January 28, 2022
    Publication date: March 14, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroyuki NOMOTO, Toshio ENAMI
  • Publication number: 20240084159
    Abstract: 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: Application
    Filed: March 23, 2022
    Publication date: March 14, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Takahisa CHITOU
  • Publication number: 20240084058
    Abstract: 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: Application
    Filed: October 30, 2023
    Publication date: March 14, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Yasuyuki IEDA
  • Publication number: 20240066833
    Abstract: 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: Application
    Filed: February 3, 2022
    Publication date: February 29, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Katsunori TAKAHASHI, Takanori HAMADA
  • Patent number: D1021148
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: April 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Moyuru Okajima, Kouhei Yamaguchi, Koji Kido, Masaki Yamamoto, Sho Fujioka