Patents Assigned to Dainippon Ink & Chemicals, Inc.
  • Patent number: 7601782
    Abstract: Polyarylenesulfide resin compositions are provided having a dramatically improved adhesiveness with regard to the cured epoxy resin, while maintaining characteristics of polyarylenesulfide resins such as a heat resistivity and a chemical resistivity. The above described polyarylenesulfide resin compositions are obtained by comprising as essential components the allylenesulfide resin (A), bisphenol-type epoxy resin (B), and an oxazoline-group-containing amorphous polymer (C). The thus obtained polyarylenesulfide resin compositions can be used as superior engineering plastics in wide application fields such as electronic and other devices.
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: October 13, 2009
    Assignee: Dainippon Ink & Chemicals, Inc.
    Inventors: Kiyotaka Kawashima, Tsuneyuki Adachi
  • Publication number: 20090246484
    Abstract: An ink for a jet printer that includes a pigment, a film-forming resin, and an organic solvent, wherein the film-forming resin includes, as the main component, an oil-modified alkyd resin or fatty acid-modified alkyd resin with an oil length of 20 to 70%, that has been modified with a modifier containing one or more oils or fatty acids selected from the group consisting of castor oil, castor oil fatty acids, hydrogenated castor oil, hydrogenated castor oil fatty acids, ricinoleic acid, and 12-hydroxystearic acid, as well as an exterior wall siding material with a picture formed by the ink and a method of producing such a material.
    Type: Application
    Filed: September 29, 2006
    Publication date: October 1, 2009
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventors: Akio Kumagai, Yoshinosuke Shimamura, Shigehiro Tanaka, Ryouichi Obayashi
  • Publication number: 20090220755
    Abstract: An ink comprises metal thin film fragments having an average thickness of 0.01 to 0.1 ?m and an average particle diameter of 5 to 25 ?m, and a binder resin having at least one selected from the group consisting of a carboxyl group, a phosphoric acid group, a sulfonic acid group, metal salts thereof and an amino group. A laminated sheet comprises multilaminated at least two synthetic resin films for molding, and a decorative layer having mirror-like metallic luster formed at any laminate interface of the synthetic resin films, the decorative layer being an ink film made of the ink, the ink film having a thickness of 0.05 to 2.0 ?m.
    Type: Application
    Filed: December 25, 2003
    Publication date: September 3, 2009
    Applicant: Dainippon Ink and Chemicals, Inc.
    Inventors: Masanobu Fukuda, Tatsuya Kouyama, Jun Takahashi, Kenkichi Yano
  • Publication number: 20090221733
    Abstract: A production method of an aqueous pigment dispersion liquid of the present invention includes: a kneading step of kneading a mixture including (a) C. I. pigment violet 23, (b) a styrene-acrylic acid-based copolymer with an acid value of 50 to 300 mgKOH/g, (c) an alkali metal hydroxide, (d) water, and (e) a wetting agent, thereby producing a colored, kneaded material; and a dispersion step of dispersing the pigmented, kneaded material in an aqueous medium by using a dispersing machine with media, wherein the mass ratio of (b)/(a) in the kneading step is within a range of 0.15 to 0.45, the mass ratio of (d)/(a) in the first half of the kneading step is within a range of 0.04 to 0.42, and the change in viscosity of materials to be dispersed in the dispersion step is 10% or lower.
    Type: Application
    Filed: October 31, 2006
    Publication date: September 3, 2009
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventors: Satoshi Idemura, Kenji Sugo, Tomoyuki Uezono
  • Publication number: 20090200514
    Abstract: A nematic liquid crystal composition of the present invention includes one or at least two compounds represented by general formula (I) as a first component; and one or at least two compounds represented by general formula (II) as a second component, wherein a dielectric anisotropy is negative. The use of this nematic liquid crystal composition can provide a highly reliable liquid crystal display element capable of maintaining a high voltage-holding ratio even in a high temperature region, and achieving quick responsiveness without reducing the cell gap.
    Type: Application
    Filed: March 15, 2006
    Publication date: August 13, 2009
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventors: Shotaro Kawakami, Takashi Matsumoto, Tetsuo Kusumoto
  • Publication number: 20090176905
    Abstract: The present invention is to provides an ultraviolet-curable resin composition which contains a composite resin (A) having a polysiloxane segment (a1) having a silanol group and/or a hydrolytic silyl group as well as a polymerizable double bond and a polymer segment (a2) other than the polysiloxane segment (a1), and a photo initiator (B). The ultraviolet-curable resin composition is able to form a cured coating film excellent in weatherability such as scratch resistance, acid resistance, alkali resistance and solvent resistance, without heating.
    Type: Application
    Filed: March 6, 2006
    Publication date: July 9, 2009
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventors: Hiroshi Matsuzawa, Shinichi Kudo
  • Publication number: 20090168141
    Abstract: An ion conductor has fine particles of an organic polymer including 20 to 80% by mass of ultra-fine particles of an inorganic compound, and an electrolytic solution impregnated into the fine particles of the organic polymer, wherein the fine particles of the organic polymer have a specific surface area measured by the BET method of 30 m2/g or more.
    Type: Application
    Filed: January 21, 2005
    Publication date: July 2, 2009
    Applicant: Dainippon Ink and Chemicals, Inc.
    Inventors: Michiya Nakashima, Toshihiro Ebine, Kazunari Kawai, Naohito Saito
  • Patent number: 7553548
    Abstract: A laminated sheet for molding comprising: a film layer which comprises thermoplastic acrylic resin, wherein the film layer is one of transparent or translucent; an intermediate layer which comprises a curable resin including a polyisocyanate compound and an acrylic resin having hydroxyl groups, wherein the a curable resin is a cured material in a semi-cured state; and a decorative layer having a mirror-like metallic luster, which comprises a binder resin and fine metal grains obtained from a thin metal film; wherein the layers are laminated in the order stated.
    Type: Grant
    Filed: July 27, 2004
    Date of Patent: June 30, 2009
    Assignee: Dainippon Ink & Chemicals, Inc.
    Inventors: Masanobu Fukuda, Kouji Shiota, Tatsuya Kouyama, Kenkichi Yano
  • Publication number: 20090146117
    Abstract: A method for producing a surface-treated silver-containing powder comprises vacuum freeze drying a dispersion liquid, which is obtained by dispersing silver or silver compound particles (a) in a solvent together with a surfactant (b) of an alkylamine type or an alkylamine salt type, or a phosphate type having a phosphorus content of 0.5 to 10% by mass so that the surfactant (b) is adsorbed in the surface of the silver or silver compound particles (a), thereby producing a silver-containing powder (c) whose surface is treated with the surfactant (b). Moreover, a silver paste is produced by dispersing the surface-treated silver-containing powder (c) in a solvent, or in a solvent with a resin.
    Type: Application
    Filed: November 25, 2005
    Publication date: June 11, 2009
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventors: Wataru Suenaga, Youji Nakaya
  • Publication number: 20090148648
    Abstract: The present invention provides an ultraviolet-curable resin composition, comprising a silicone compound represented by the following formula (1): [Chemical Formula 1] (CH3)3Si—O-A-Si(CH3)3??(1) (wherein A represents a group in which n structural units represented by a chemical formula (2) and m structural units represented by a chemical formula (3) are bonded in a random form or block form, n is an integer ranging from 1 to 15, n/m is 1/5 to 1/20, and structural units represented by the chemical formulas (2) and (3) are not bonded to either themselves or other structural parts an oxygen-oxygen bond in a molecule) and a photocurable compound that reacts with the silicone compound. The present invention also provides an optical information recording medium having a surface protective layer with an excellent spot prevention function and spot wipe-ability.
    Type: Application
    Filed: July 13, 2006
    Publication date: June 11, 2009
    Applicant: Dainippon Ink and Chemicals, Inc.
    Inventors: Mayumi Aoki, Hirokazu Saito
  • Patent number: 7537882
    Abstract: The object of the present invention is to provide an anti-reflective coating composition having excellent coating properties while maintaining performance as an anti-reflective film. An anti-reflective coating composition comprising at least the following components (A), (B), (C), (D), and (E) and a production method for a pattern using the anti-reflective coating composition, (A) perfluoroalkyl•alkylenesulfonic acid represented by the following formula (1): CnF2n+1(CH2CH2)mSO3H (1) (wherein, n represents an integer from 1 to 20, and m represents an integer from 0 to 20); (B) organic amine; (C) water-soluble polymer; (D) perfluoroalkylethyl group containing compound represented by the following formula (2): CkF2k+1CH2CH2—X—Y (2) (wherein, k represents an integer from 1 to 20, x represents a single bond or a divalent linking group, y represents an anionic group or a nonionic group, and this compound has a structure different from that of the component (A)); and (E) water.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: May 26, 2009
    Assignees: Dainippon Ink and Chemicals, Inc., AZ Electronic Materials (Japan) K.K.
    Inventors: Jirou Matsuo, Kiyofumi Takano, Yusuke Takano, Yasushi Akiyama
  • Publication number: 20090130405
    Abstract: Disclosed is an ink composition for jet printer, comprising a pigment, a film forming resin and an organic solvent, the film forming resin being an acrylic copolymer containing, as a monomer unit, at least one of compounds represented by the general formulas (1) and (2): wherein R1 represents a hydrogen atom or a methyl group; R2 represents an alkylene group having 2 to 12 carbon atoms which may be linear or branched; and R3 and R4 each independently represents a hydrogen atom, an alkyl group, an alkenyl group or an aryl group, and the sum of the number of carbon atoms of R3 and R4 is from 4 to 12, or R3 and R4 form a saturated or unsaturated hydrocarbon group which is a five-membered ring formed by combination of the R3 and R4; and wherein R1 represents a hydrogen atom or a methyl group; R2 represents an alkylene group having 2 to 12 carbon atoms which may be linear or branched; and X represents a group selected from the group consisting of groups represented by the general formulas (3) to (9).
    Type: Application
    Filed: March 30, 2006
    Publication date: May 21, 2009
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventors: Akio Kumagai, Hiromichi Arakawa, Shigehiro Tanaka, Kazuhiro Kaneko, Yoshinosuke Shimamura
  • Publication number: 20090131550
    Abstract: The photocurable composition for a sealant of the present invention includes a compound represented by general formula (1): A1-Y1—B1—Y2-A2??(1) (wherein A1 and A2 each represents, independently, a monovalent group having a cyclic ?-electron conjugated structure; Y1 and Y2 each represents, independently, a divalent group represented by general formula (4); and B1 represents (i) a divalent alicyclic hydrocarbon group, (ii) a divalent aromatic hydrocarbon group, (iii) a divalent heterocyclic group, (iv) a divalent aliphatic hydrocarbon group of 1 to 6 carbon atoms, or (v) a divalent group in which two or more group selected from the group consisting of a divalent alicyclic hydrocarbon group, a divalent aromatic hydrocarbon group, a divalent heterocyclic group, a divalent aliphatic hydrocarbon group of 1 to 6 carbon atoms, a carbonyl group, an ether group, a thioether group, and a SO2 group are linked).
    Type: Application
    Filed: August 30, 2006
    Publication date: May 21, 2009
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventors: Hisayosi Arai, Hiroko Sakurai
  • Publication number: 20090131622
    Abstract: A method for producing a branched-polyether resin composition of the present invention includes a first step of obtaining a reaction mixture including: (1-A) a branched-polyether resin (X) containing a hydroxyl group, an acryloyl group, and an epoxy group and (1-B) at least one resin component selected from the group consisting of (1-B-1) a diacrylate (A2) of an aromatic difunctional epoxy resin, (1-B-2) a monoacrylate (A1) of an aromatic difunctional epoxy resin, and (1-B-3) an aromatic difunctional epoxy resin (B) other than (A1) and (A2); and a second step of mixing the reaction mixture and an unsaturated monocarboxylic acid, and reacting the epoxy group in the reaction mixture and a carboxyl group in the unsaturated monocarboxylic acid.
    Type: Application
    Filed: December 20, 2005
    Publication date: May 21, 2009
    Applicant: Dainippon Ink and Chemicals, Inc.
    Inventors: Eiju Ichinose, Hideyuki Ishida, Masatoshi Motomura
  • Publication number: 20090121186
    Abstract: The present invention was realized in order to provide a liquid crystal composition which is negative in dielectric constant anisotropy and having a large absolute value and a display element, and also to provide a compound which is negative in dielectric constant anisotropy and having a large absolute value. The present invention was realized in order to provide a trifluoronaphthalene derivative expressed by the general formula (I) a liquid crystal composition containing the above compound and a display element in which the liquid crystal composition is used. The liquid crystal composition of the present invention has features in which the dielectric constant anisotropy is great in absolute value, and a liquid crystal display element in which the liquid crystal composition is used as a constituting member is useful as a liquid crystal display element based on vertical alignment mode, IPS or others.
    Type: Application
    Filed: February 20, 2006
    Publication date: May 14, 2009
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventor: Yutaka Nagashima
  • Publication number: 20090118405
    Abstract: A polyphenylene sulfide resin coated article comprising: a molded article (A) of a polyphenylene sulfide resin material (a) which comprises a polyphenylene sulfide resin (a1), and a coated film layer (B) which is formed by applying a croating which comprises as a solid component a chlorinated polyolefin resin (b1) having a chlorine atom Content of 20 to 45% by mass on the surface of the molded article (A).
    Type: Application
    Filed: June 28, 2006
    Publication date: May 7, 2009
    Applicants: DAINIPPON INK AND CHEMICALS, INC., ORIGIN ELECTRIC CO., LTD.
    Inventors: Shifumi Aizawa, Taku Shimaya, Keizo Okabe, Tomohiro Nagano
  • Publication number: 20090104441
    Abstract: The object of the present invention is to provide a laminated sheet for thermoforming, including a thermoplastic resin film layer; a decoration layer; and a support base resin layer, wherein the thermoplastic resin film layer, the decoration layer, and the support base resin layer are sequentially laminated, and the support base resin layer contains one or more linear low density polyethylene layers. Also, the object of the resent invention is to provide a formed product obtained by thermoforming the laminated sheet, and a method of producing the same. Furthermore, the object of the present invention is to provide an injection-molded product obtained by loading an injection resin onto the backside of the molded product, and a method of producing the same.
    Type: Application
    Filed: February 23, 2006
    Publication date: April 23, 2009
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventors: Hidetsugu Sawada, Satoshi Ohya, Toshio Yuge, Kousuke Arai
  • Patent number: 7514507
    Abstract: The present invention provides a comb-shaped epoxy resin represented by the following formula (1): in the formula (1), X1 and X2 represent a divalent group having a residue selected from xanthene residue, biphenylene residue, hydrogenated bisphenol residue, alkylene residue and polyoxyalkylene residue, each may having a methyl group or a ethyl group as a substituent, and at least one of them is an aromatic residue, Y represents a polymer chain such as linear polymer chain, a number average polymerization degree being 5 to 2000, and n (number average polymerization degree) represents an integer within a range of 3 to 200, and to a method for preparing the comb-shaped epoxy resin.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: April 7, 2009
    Assignees: Dainippon Ink and Chemicals, Inc., Kawamura Institute of Chemical Research
    Inventors: Yuji Ohashi, Ren-Hua Jin, Seungtaeg Lee
  • Patent number: 7514138
    Abstract: An object of the present invention is to provide a hydraulic transfer film with a transfer layer capable of forming a cured resin layer on a hydraulic transfer body, to provide a hydraulic transfer film capable of forming a clear decorative layer on a curable resin layer, and a hydraulic transfer body having excellent surface properties and a clear pattern. A hydraulic transfer film having a water-soluble substrate film, a hydrophobic transfer layer including a curable resin layer which can be cured by at least one of irradiation with radiation and heating provided on the substrate film, and a peelable film provided on the transfer layer is described along with a method for producing the hydraulic transfer film.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: April 7, 2009
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Toshirou Ariga, Yoshitomo Nagata, Shuzo Mizuno, Shinji Katoh
  • Patent number: 7514569
    Abstract: A benzimidazolone compound represented by a general formula (1), (in the formula, each of R1, R2, R3 and R4 represents independently a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, or an alkoxy group having 1 to 5 carbon atoms).
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: April 7, 2009
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventor: Masaki Hosaka