Patents Assigned to DIC Corporation
  • Publication number: 20210308985
    Abstract: A sealant film including a layered film that includes a sealable resin layer including a heat seal layer (A) as a surface layer; and a base material layer (B), in which the sealable resin layer is formed of a resin layer having a 1% secant modulus of 200 MPa or less and has a thickness of 15 ?m to 50 ?m, the heat seal layer (A) has a 1% secant modulus of 20 MPa to 45 MPa and a thickness of 5 ?m or more, and the base material layer (B) has a 1% secant modulus of 250 MPa or more and a thickness of 1 ?m to 30 ?m. Thus, the sealant film not only has good adhesion and suitable openability with respect to the surface to be adhered to but also achieves excellent pressure resistance that prevents the occurrence of opening even under high-pressure treatment.
    Type: Application
    Filed: August 8, 2019
    Publication date: October 7, 2021
    Applicant: DIC Corporation
    Inventors: Yuki KABURAGI, Daiki TOKIEDA, Takashi MORIYA
  • Publication number: 20210313197
    Abstract: An electroplating method that is a conventional method has had a problem that it is difficult to manufacture fine pillars without being affected by an undercut. Furthermore, an electroless plating method has had a problem that it is difficult to manufacture pillars having the same shape without any void. The inventors have performed intensive investigations to solve the above problems and, as a result, have found that fine conductive pillars with a high aspect ratio can be readily manufactured on a substrate having an electrode section in such a manner that after a conductive paste containing metal micro-particles is applied in a reduced pressure state, the conductive paste is exposed to standard pressure. The present invention has a particular effect on the manufacture of a metal pillar that is a terminal for flip-chip mounting.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 7, 2021
    Applicant: DIC Corporation
    Inventors: Ryota Yamaguchi, Yasuhiro Sente, Makoto Yada
  • Publication number: 20210301143
    Abstract: Provided is a surface-treated spinel particle (B) including a spinel particle (A) including a magnesium atom, an aluminum atom, and an oxygen atom and a surface treatment layer disposed at least a portion of the surface of the spinel particle (A). The surface treatment layer includes a surface-treating agent including an organic compound or a cured product of the surface-treating agent. The spinel particle (A) further includes molybdenum. The crystallite diameter of the [111] plane of the spinel particle (A) is 220 nm or more. Also provided are a method for producing the surface-treated spinel particle (B), a resin composition including the surface-treated spinel particle (B), and a molded article.
    Type: Application
    Filed: September 21, 2017
    Publication date: September 30, 2021
    Applicant: DIC Corporation
    Inventors: Kazuo Itoya, Atsushi Oshio, Hironobu Oki, Masaki Iida, Yasuyo Sakamoto, Masamichi Hayashi, Takayuki Kanematsu, Fumihiko Maekawa, Jian-Jun Yuan, Hiroshi Kinoshita
  • Publication number: 20210301144
    Abstract: To provide plate-like alumina particles that are less likely to wear apparatuses. Plate-like alumina particles containing germanium or a germanium compound. The plate-like alumina particles preferably have a molar ratio of Ge to Al, [Ge]/[Al], of 0.08 or more as determined in an XPS analysis. The plate-like alumina particles preferably contain the germanium or germanium compound in a surface layer. The plate-like alumina particles preferably have a density of 3.7 g/cm3 or more and 4.1 g/cm3 or less. The plate-like alumina particles preferably have a molar ratio of Ge to Al, [Ge]/[Al], of 0.08 or less as determined in an XRF analysis.
    Type: Application
    Filed: August 9, 2019
    Publication date: September 30, 2021
    Applicant: DIC Corporation
    Inventors: Shingo Takada, Hironobu Oki, Jian-Jun Yuan, Kazuo Itoya, Yoshiyuki Sano
  • Publication number: 20210300004
    Abstract: Provided is a layered film having suitable easy-unsealability and having high sealing strength even under high temperature. A layered film with such suitable easy-unsealability and high sealing strength under high temperature includes a surface layer (A), an intermediate layer (B), and a seal layer (C), in which the surface layer (A) and the seal layer (C) each includes a polypropylene-based resin as a main component, the intermediate layer (B) includes a polypropylene-based resin (b1) and a polyethylene-based resin (b2), resin components in the intermediate layer (B) has a polypropylene-based resin (b1) content of 40 to 70% by mass and a polyethylene-based resin (b2) content of 30 to 60% by mass, the intermediate layer (B) has a thickness of 15% or less of the overall thickness of the layered film, and the seal layer (C) has a thickness of 15% or less of the overall thickness of the layered film.
    Type: Application
    Filed: September 21, 2017
    Publication date: September 30, 2021
    Applicant: DIC Corporation
    Inventors: Younosuke Konemura, Takashi Moriya
  • Publication number: 20210291272
    Abstract: Flaky alumina particles including mullite in a surface layer of the flaky alumina particles. A method for producing flaky alumina particles including forming a mixture by mixing together an aluminum compound that contains elemental aluminum, a molybdenum compound that contains elemental molybdenum, and silicon or a silicon compound that contains elemental silicon, the aluminum compound being in an amount greater than or equal to 50 mass %, calculated as Al2O3, the molybdenum compound being in an amount less than or equal to 40 mass %, calculated as MoO3, the silicon or the silicon compound being in an amount of 0.5 mass % or greater and less than 10 mass %, calculated as SiO2, relative to a total mass of the flaky alumina particles taken as 100 mass %; and firing the mixture.
    Type: Application
    Filed: July 26, 2018
    Publication date: September 23, 2021
    Applicant: DIC Corporation
    Inventors: Shingo TAKADA, Kazuo ITOYA, Jian-Jun YUAN, Takayuki KANEMATSU, Masamichi HAYASHI, Fumihiko MAEKAWA, Yoshiyuki SANO
  • Patent number: 11124664
    Abstract: The problem to be solved by the present invention is to provide an ink that can be used f producing a print having no streaks even in a case where the distance between the surface of a recording medium such as a cardboard and an ink jet head is long. The present invention relates to an ink for use in an ink jet recording method in which the distance from a surface (x) having an ink discharge port of an ink jet head to a position (y) where a line perpendicular to the surface (x) intersects with a recording medium is 2 mm or more, the ink having a viscosity in the range of 2 mPa·s or more and less than 9 mPa·s and a surface tension in the range of 20 mN/m to 40 mN/m.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: September 21, 2021
    Assignee: DIC CORPORATION
    Inventors: Takahiro Nio, Maiko Kitade, Yuri Shouji, Masaki Hosaka, Saki Fukui
  • Patent number: 11127429
    Abstract: A problem to be solved by the present invention is to provide a magnetic recording medium having a jet-black magnetic stripe which is not tinged with red. The present invention is directed to a magnetic recording medium including: a magnetic recording layer on a substrate; and a protective layer (a) on the magnetic recording layer, wherein the protective layer (a) contains an aniline coloring material. The magnetic recording medium is advantageous in that the magnetic stripe is jet-black and has excellent design properties, and therefore can be widely used for credit cards, bank cards and the like.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: September 21, 2021
    Assignee: DIC CORPORATION
    Inventors: Akira Fukasawa, Toshiaki Adachi, Daisuke Yano
  • Publication number: 20210284766
    Abstract: The present application provides a retardation film that is a single film having a good antireflection function, and that maintains the function even after being exposed at high temperatures, and other objects are to provide an elliptically polarizing plate and a display device that include such retardation films. The retardation film includes a retardation layer. The optical film satisfies (Formula 1-1), Re(450)/Re(550)<1 (Formula 1-1) (wherein the retardation layer is formed of a material that is a polymerizable composition containing at least one polymerizable liquid-crystal compound selected from the group consisting of General formulas (1) to (7), and the retardation layer has a hybrid structure.
    Type: Application
    Filed: July 6, 2017
    Publication date: September 16, 2021
    Applicants: DIC Corporation, DIC Corporation
    Inventors: Kouichi Endo, Kazuaki Hatsusaka, Mika Takasaki
  • Patent number: 11117873
    Abstract: The present invention provides an oxazine compound having a specific structure, which contains a group having an aromatic ring structure and a plurality of specified carbon-carbon triple bond structure. The present invention further provides a composition containing the oxazine compound having a specific structure of the present invention, a cured product containing the composition, and a laminate having a layer of the cured product. The present invention further still provides a composition for a heat-resistant material and a composition for an electronic material, which contain the composition containing the oxazine compound of the present invention.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: September 14, 2021
    Assignee: DIC Corporation
    Inventors: Kazuo Arita, Tomohiro Shimono, Masato Otsu, Junji Yamaguchi, Etsuko Suzuki
  • Patent number: 11117872
    Abstract: The present invention provides an oxazine compound having a specific structure, which contains a group having an aromatic ring structure and a plurality of specified carbon-carbon triple bond structure. The present invention further provides a composition containing the oxazine compound having a specific structure of the present invention, a cured product containing the composition, and a laminate having the layer of the cured product. The present invention further still provides a composition for a heat-resistant material and a composition for an electronic material, which contain the composition containing the oxazine compound of the present invention.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: September 14, 2021
    Assignee: DIC Corporation
    Inventors: Tomohiro Shimono, Kazuo Arita, Junji Yamaguchi, Masato Otsu
  • Publication number: 20210277247
    Abstract: There is provided a polyhalogenated zinc phthalocyanine having good tinting strength and being capable of achieving higher brightness when the polyhalogenated zinc phthalocyanine is used in pixel portions of color filters. The object is achieved by providing the polyhalogenated zinc phthalocyanine represented by general formula 1: (wherein in general formula 1, X1 to X16 are each independently a chlorine atom, a bromine atom, or a hydrogen atom), in which a value obtained by dividing the maximum ion intensity, measured by mass spectrometry, in an m/z range of 1,780 (inclusive) to 1,820 (exclusive) by the maximum ion intensity in the m/z range of 1,820 (inclusive) to 1,860 (inclusive) is 1.00 or less.
    Type: Application
    Filed: September 7, 2017
    Publication date: September 9, 2021
    Applicant: DIC Corporation
    Inventors: Kentarou OOISHI, Hideo KAICHI, Akira KIMURA
  • Patent number: 11111353
    Abstract: A method for producing a porous material includes processing a urethane resin composition containing a urethane resin (A) and a solvent (B) by a wet film forming process, in which the solvent (B) satisfies the following conditions: a difference between a Hansen solubility parameter of the solvent (B) (B-HSP) and a Hansen solubility parameter of the urethane resin (A) (A-HSP) is in the range of 3 to 8 (J/cm3)1/2 and a difference between the Hansen solubility parameter of the solvent (B) (B-HSP) and a Hansen solubility parameter of water (W-HSP) is in the range of 31.5 to 38 (J/cm3)1/2. The Hansen solubility parameter of the solvent (B) preferably has a dispersion term (?D) in the range of 15.5 to 21.0 MPa0.5, a polar term (?P) in the range of 7.0 to 14.5 MPa0.5, and a hydrogen bond term (?H) in the range of 4.5 to 11.0 MPa0.5.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: September 7, 2021
    Assignee: DIC CORPORATION
    Inventors: Yayi Tseng, Kunihiko Komatsuzaki
  • Patent number: 11111225
    Abstract: A compound useful as a release agent, and a release agent, a curable composition, and a nanoimprint lithography resin material each containing the compound are provided. More specifically, a calixarene compound with a molecular structure represented by the following structural formula (1) and a composition containing the calixarene compound are provided. wherein R1 denotes a structural moiety with a perfluoroalkyl group, R2 denotes a hydrogen atom, a polar group, a polymerizable group, or a structural moiety with a polar group or a polymerizable group, R3 denotes a hydrogen atom, an aliphatic hydrocarbon group that may have a substituent, or an aryl group that may have a substituent, n denotes an integer in the range of 2 to 10, and * denotes a bonding point with an aromatic ring.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: September 7, 2021
    Assignee: DIC Corporation
    Inventors: Shinya Yamamoto, Masanori Miyamoto, Tomoyuki Imada
  • Publication number: 20210269666
    Abstract: An actinic energy ray-curable composition contains a low-refractive-index material capable of dissolving in a general-purpose solvent and that can impart excellent scratch resistance to a surface of its cured coating film, and a cured film and an antireflection film thereof. An actinic energy ray-curable composition contains a poly(perfluoroalkylene ether) chain-containing actinic energy ray-curable polyfunctional compound (I) and an actinic energy ray-curable compound (II) that is a copolymer of polymerizable unsaturated monomers, the actinic energy ray-curable compound (II) having a side chain containing a fluorinated alkyl group (x) having 1 to 6 carbon atoms to which a fluorine atom is attached and a side chain containing an actinic energy ray-curable group (y), the actinic energy ray-curable compound (II) having a silicone chain (z) with a molecular weight of 2,000 or more at one end of the copolymer, and a cured film and an antireflection film obtained by curing the composition.
    Type: Application
    Filed: June 25, 2019
    Publication date: September 2, 2021
    Applicant: DIC Corporation
    Inventors: Miki Ota, Ryosuke Hashide, Kazuki Obi, Nobuyuki Koike, Kenji Sakai
  • Publication number: 20210269583
    Abstract: The present invention provides a resin composition containing an epoxy compound A having a specific structure having an aromatic ring, and having an epoxy equivalent in the range of from 500 to 10,000 g/eq, and an epoxy compound B having an epoxy equivalent in the range of from 100 to 300 g/eq, and a bonding agent containing the resin composition. Further, the present invention provides a cured product containing resin particles and a matrix resin, wherein the resin particles are a cured product of an epoxy compound A having a specific structure having an aromatic ring, and having an epoxy equivalent in the range of from 500 to 10,000 g/eq, and the matrix resin is a cured product of an epoxy compound B having an epoxy equivalent in the range of from 100 to 300 g/eq, and a laminate having a substrate and the cured product.
    Type: Application
    Filed: July 30, 2019
    Publication date: September 2, 2021
    Applicant: DIC Corporation
    Inventors: Masato OTSU, Kazuo ARITA
  • Patent number: 11104788
    Abstract: An object of the invention is to provide a composition having excellent heat resistance and excellent adhesiveness. Moreover, another object is to provide a cured product obtained by curing the composition and a laminate containing the cured product. Furthermore, another object is to provide a heat-resistant material, a heat-resistant member, an electronic material and an electronic member each containing the composition. The objects are achieved by providing a composition including: a (meth)allyl group-containing maleimide compound having a structure having one or more benzene rings, one or more groups having a (meth)allyl group and one or more groups having a maleimide group; and a hydroxy group-containing maleimide compound having a structure having one or more benzene rings, one or more groups having a hydroxy group and one or more maleimide groups.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: August 31, 2021
    Assignee: DIC Corporation
    Inventors: Masato Otsu, Kazuo Arita, Etsuko Suzuki, Junji Yamaguchi, Tomohiro Shimono
  • Publication number: 20210261801
    Abstract: A usual ink composition can be expected to improve ink viscosity to a certain degree, but when used for a glycol ether-based ink recently required, an increase in viscosity in preparing the ink cannot be suppressed. In addition, there is unknown a copper phthalocyanine pigment composition which can satisfy both such an improvement in ink viscosity and resolubility as printability which is important for the glycol ether-based ink. In this situation, a problem to be solved by the present invention is to provide a copper phthalocyanine pigment composition having low viscosity and excellent resolubility in a glycol ether-based ink. It was found that when a copper phthalocyanine pigment is combined with a specified copper phthalocyanine acid derivative, a pigment composition having significantly low viscosity when formed into a glycol ether-based ink, and good familiarity with the ink can be produced, leading to the achievement of the present invention.
    Type: Application
    Filed: June 13, 2019
    Publication date: August 26, 2021
    Applicant: DIC Corporation
    Inventors: Shingo Saitou, Taichi Hashiguchi
  • Publication number: 20210262863
    Abstract: A sensor device to be installed on an installation surface includes: a substrate including a substrate body that is disposed along the installation surface and an extension portion that extends from the substrate body in a direction away from the installation surface; and a temperature sensor that is mounted on the extension portion and that detects an ambient temperature around the sensor device.
    Type: Application
    Filed: August 20, 2019
    Publication date: August 26, 2021
    Applicant: DIC Corporation
    Inventors: Hidefumi Nishi, Shinichi Tajima, Shunji Baba
  • Publication number: 20210261708
    Abstract: Provided is an aqueous resin composition that is capable of forming a film having excellent balance in solvent resistance, water resistance, flexibility, stretchability, and strength. An aqueous resin composition of the invention, contains: a composite resin (A); and an aqueous medium (B), in which the composite resin (A) has a polymer (A1) unit having a unit represented by Formula (1) and a polymer (A2) unit represented by Formula (3). [R1s each represent a hydrogen atom, a halogen atom, a phenyl group, or a methyl group. R2 represents a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms. R7 represents a ml-valent hydrocarbon group having 1 to 20 carbon atoms. R8 represents one type of R10[-L1-(R11—O—)n1]n2—; —O(—R11—CO—O)n3—; —O(—R11—O—CO—R11—CO—O)n4—; —O(—R11—O—CO—O)n5—; —O(—R12)n6—O—; —O—R11—O—, and a group obtained by combining such groups.
    Type: Application
    Filed: May 9, 2019
    Publication date: August 26, 2021
    Applicant: DIC Corporation
    Inventors: Junichi Miyake, Keigo Yoshikawa, Sadamu Nagahama