Patents Assigned to Sanyo Chemical Industries, Ltd.
  • Publication number: 20150192871
    Abstract: Provided is a toner binder having excellent charging characteristics and blocking resistance, and an increased range of fixing temperatures when used as a toner. The present invention is a toner binder containing a polyester resin (P) comprising one or more types of polyester resins obtained by polycondensation of a carboxylic acid component (x) and an alcohol component (y), wherein at least one type (P1) of (P) contains 50 to 95 mol % of a aliphatic diol (y1) having a carbon number of 2 to 4 in the alcohol component (y), and (P) satisfies expressions (1) and (2). 11.5?SP value [(cal/cm3)1/2] of (P)?13.0??(1) 5.2?HLB value (by Oda method) of (P)?7.
    Type: Application
    Filed: March 18, 2015
    Publication date: July 9, 2015
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuya Iwagoe, Masaru Honda
  • Patent number: 9062148
    Abstract: A method for producing a fine-particle-dispersed polyol (I) is provided, the method including the steps (1) and (n?1): the step (1) of polymerizing an ethylenically unsaturated monomer (b) in a polyol (a), in the presence of fine particles (P1) and a radical polymerization initiator (c), so as to obtain a fine-particle-dispersed polyol intermediate (B2); and the step (n?1) of polymerizing (b) in a fine-particle-dispersed polyol intermediate (B(n?1)), in the presence of (c), so as to obtain a fine-particle-dispersed polyol intermediate (Bn) or the fine-particle-dispersed polyol (I), where n represents an integer of 3 to 7, wherein (P1) have a volume-average particle diameter (R1) of 0.01 ?m to 1.0 ?m, and a concentration of (b) in the step (1) is 7 wt % to 40 wt %.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: June 23, 2015
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Shigekuni Nakada, Takayuki Tsuji, Yukiya Kobayashi
  • Patent number: 9056955
    Abstract: A resin particle having a sufficiently narrow particle size distribution obtainable by using a supercritical fluid, and a production method for obtaining a resin particle having a sufficiently narrow particle size distribution by using a supercritical fluid are provided. The present invention provides a resin particle (C) having a microparticle (A) fixed to or formed as a film on a surface of a resin particle (B) containing a resin (b), wherein the degree of swelling of the microparticle (A) by liquid or supercritical carbon dioxide (X) at a temperature lower than the glass transition temperature or the melting point of the microparticle (A) is 16% or less, and the microparticle (A) is at least one kind selected from the group consisting of a crystalline resin (a1), a noncrystalline resin (a2), and an inorganic compound (a3).
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: June 16, 2015
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Masahide Mizumori, Yasuhiro Shindo
  • Patent number: 9052623
    Abstract: Provided is a toner binder which combines excellent low-temperature fixing properties and excellent hot-offset resistance (namely which permits a wide fixing-temperature range) and which exhibits excellent storage stability. The toner binder comprises (A) a polyester resin, (B) a specific crystalline resin and, if necessary, (C) a non-crystalline linear polyester resin. The polyester resin (A) comprises a carboxylic acid component (x) and a polyol component (y) as the essential constituent units, said component (x) comprising two or more kinds of dicarboxylic acids (x1) selected from among aromatic dicarboxylic acids and ester-forming derivatives thereof in a total amount of 80 mol % or more and further containing an at least trivalent polycarboxylic acid (x2) as another essential component, and said component (y) comprising a C2-10 aliphatic diol (y1) in an amount of 50 mol % or more. Further, the polyester resin (A) exhibits a storage modulus at 150° C.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: June 9, 2015
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Takashi Akutagawa, Masakazu Iwata, Masaru Honda, Tomoyuki Ariyoshi
  • Patent number: 9023476
    Abstract: Disclosed is a resin particle having excellent low-temperature fusibility, having a sufficiently narrow size distribution, and that is obtained using a liquid or supercritical fluid. In the resin particle (C), which comprises a microparticle (A) containing a resin (a) being coated to or adhered to the surface of a resin particle (B) that contains another resin (b), the degree of swelling of the microparticle (A) resulting from liquid or supercritical carbon dioxide (X) at a temperature less than the glass transition temperature or the melting point of the microparticle (A) is no greater than 16%, and with the resin (a) as a constituent unit, the resin particle (C) contains 0.1-50 wt % of a non-crystalline non-halogen vinyl monomer (m1) of which the solubility parameter (SP value: (cal/cm3)1/2) is 7-9.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: May 5, 2015
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Hideo Harada, Kenta Nose, Masaru Honda, Eiji Iwawaki, Takahiro Tanaka
  • Patent number: 9023941
    Abstract: Provided is a slush molding material which exhibits excellent low-temperature meltability and heat resistance and which can yield a molded product having excellent tensile strength and elongation. The present invention is urethane resin particles (D1) comprising a urethane or urethane-urea resin (U1) that has residues (j) bonded thereto covalently, said residues (j) being residues derived from an at least trivalent aromatic polycarboxylic acid by removing hydroxyl groups, or urethane resin particles (D2) comprising a urethane resin composition (S2) which comprises both a urethane or urethane-urea resin (U2) and a compound (E) that has a residue (j) derived from an at least trivalent aromatic polycarboxylic acid by removing hydroxyl groups, said compound (E) being represented by general formula (1), wherein the residues (j) are linked respectively to urethane or urea groups (u) of the resin (U1) or (U2) by hydrogen bonds.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: May 5, 2015
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Shinji Watanabe, Yasuhiro Tsudo, Masaki Inaba, Jun Takeuchi, Yuko Matsumoto
  • Publication number: 20150086770
    Abstract: The present invention is urethane resin particles (C) for slush mold which contain a urethane resin (D) and an additive (N), wherein the particles have a shape factor SF1 of 101 to 200, a shape factor SF2 of 120 to 240, and a central particle diameter of 20 to 500 ?m. It is preferred that the urethane resin (D) has a concentration of urea groups of 0.5 to 10% by weight, a total of the concentration of urethane groups and that of the urea groups of 4 to 20% by weight, a melting point of 160 to 260° C. and a glass transition temperature of ?65 to 0° C.
    Type: Application
    Filed: December 2, 2014
    Publication date: March 26, 2015
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yasuhiro Tsudo, Masaki Inaba, Koichi Saito, Hideaki Saito, Takanori Yamamoto
  • Publication number: 20150024322
    Abstract: There is provided a toner binder containing a polyester resin (P) composed of two or more polyester resins that are each obtained by polycondensation of a carboxylic acid component (x) and an alcohol component (y). The alcohol component (y) of at least one polyester resin (P1) constituting the polyester resin (P) comprises 30 to 100 molar % of an adduct (y1) of bisphenol A with 2 to 4 ethylene oxide molecules. The alcohol component (y) of at least one other polyester resin (P2) constituting the polyester resin (P) comprises 50 to 95 molar % of an aliphatic diol (y2) having 2 to 4 carbon atoms. The (P2) is other than the (P1), and the polyester resin (P) satisfies relationships as follows. 11.5?SP value [(cal/cm3)1/2] of (P)?13.0; and 5.2?HLB value (according to the Oda method) of (P)?7.1.
    Type: Application
    Filed: February 25, 2013
    Publication date: January 22, 2015
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuko Sugimoto, Keisuke Miyamoto, Masaru Honda
  • Patent number: 8920927
    Abstract: Resin particles which are excellent in electrostatic property, thermal storage stability and thermal properties, and have evenness of particle diameter are to be provided. The resin particles are core-shell resin particles (C2) each comprising one or more film-like shell layers (P) comprising a first resin (a) and a core layer (Q) comprising a second resin (b). Core-shell type resin particles (C2) each comprising a film-like shell layer (P) in one or more layer structure comprising a first resin (a) and a core layer (Q) in one layer structure comprising a second resin (b), wherein the weight ratio of (P) and (Q) is in a range of (0.1:99.9) to (70:30), the content of volatile components of (C2) is 2% by weight or lower, and (a) has an initial softening temperature of 40 to 270° C., a glass transition temperature of 20 to 250° C., a flow temperature of 60 to 300° C., and the difference of the glass transition temperature and the flow temperature in a range of 0 to 120° C.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: December 30, 2014
    Assignee: Sanyo Chemical Industries, Ltd
    Inventors: Takao Mukai, Tsuyoshi Izumi, Natsuki Nakamichi
  • Patent number: 8912281
    Abstract: Provided are urethane resin particles for slush molding which make it possible that inconveniences based on the slip-down of a pigment, on the aggregation of particles of the pigment, and on other causes are removed although this coloring is coloring onto the resin particle surfaces. The present invention is urethane resin particles for slush mold which contain a urethane resin and an additive, wherein the particles have a shape factor SF1 of 101 to 200, a shape factor SF2 of 120 to 240, and a central particle diameter of 20 to 500 ?m. It is preferred that the urethane resin has a concentration of urea groups of 0.5 to 10% by weight, a total of the concentration of urethane groups and that of the urea groups of 4 to 20% by weight, a melting point of 160 to 260° C. and a glass transition temperature of ?65 to 0° C.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: December 16, 2014
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Yasuhiro Tsudo, Masaki Inaba, Koichi Saito, Hideaki Saito, Takanori Yamamoto
  • Patent number: 8859647
    Abstract: An antistatic resin composition is provided, from which a thermoplastic resin molded article having a sufficient permanent antistatic property without impairing an excellent mechanical property or a good appearance of the molded article, even in a case that the content of an antistatic agent contained in the composition is less than that in a conventional composition, is provided. The antistatic resin composition contains an antistatic agent (A) and a thermoplastic resin (B), in which a melt viscosity ratio of the thermoplastic resin (B) to the antistatic agent (A) at 220° C. is 0.5-5 and an absolute value of a difference between solubility parameters (SPs) of the antistatic agent (A) and the thermoplastic resin (B) is 1.0-3.0. The antistatic resin molded article is obtained by molding the antistatic resin composition.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: October 14, 2014
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Takashi Yabuta, Hidetoshi Noda, Masanori Hattori
  • Patent number: 8853290
    Abstract: Provided is a photosensitive composition which can be cured with low energy consumption, even when a substance (such as a colorant) that attenuates or shades an illumination light is contained in a high concentration or even when the photosensitive composition is in the form of a thick film. Specifically provided is a photosensitive composition which comprises the following four components: (1) a radical initiator (A); (2) an acid generator (B) or a base generator (C); (3) a polymerizable substance (D); and (4) a colorant (E), a metal oxide powder (F), or a metal powder (G).
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: October 7, 2014
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Shihei Motofuji, Shintaro Higuchi, Atsushi Shiraishi, Takao Mukai, Megumu Sakakibara
  • Patent number: 8852741
    Abstract: Resin particles which are excellent in electrostatic property, thermal storage stability and thermal properties, and have evenness of particle diameter are to be provided. The resin particles are core-shell resin particles (C2) each comprising one or more film-like shell layers (P) comprising a first resin (a) and a core layer (Q) comprising a second resin (b). Core-shell type resin particles (C2) each comprising a film-like shell layer (P) in one or more layer structure comprising a first resin (a) and a core layer (Q) in one layer structure comprising a second resin (b), wherein the weight ratio of (P) and (Q) is in a range of (0.1:99.9) to (70:30), the content of volatile components of (C2) is 2% by weight or lower, and (a) has an initial softening temperature of 40 to 270° C., a glass transition temperature of 20 to 250° C., a flow temperature of 60 to 300° C., and the difference of the glass transition temperature and the flow temperature in a range of 0 to 120° C.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: October 7, 2014
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Takao Mukai, Tsuyoshi Izumi, Natsuki Nakamichi
  • Publication number: 20140295181
    Abstract: A multilayer film includes a protective layer, a color layer and an adhesive layer, with a molding film disposed between either of the adjoining pairs of layers or on an opposite surface of the protective layer to the color layer, wherein the protective layer contains a polyurethane resin (U) formed at least from an active hydrogen component (A) and an organic isocyanate component (B) and having a polycarbonate skeleton with an alicyclic hydrocarbon group and that conditions (1) and/or (2) are satisfied: (1): The polyurethane resin (U) is a polyurethane resin (U1) having an alkoxysilyl and/or a silanol group in a molecule, (2): The protective layer contains a compound (X) having a glycidyl ether, and an alkoxysilyl and/or a silanol group, and the polyurethane resin (U) is a polyurethane resin (U2) that has an amino group, or a carboxyl group and/or a salt thereof.
    Type: Application
    Filed: December 25, 2012
    Publication date: October 2, 2014
    Applicants: Toray Industries, Inc., Sanyo Chemical Industries, Ltd.
    Inventors: Katsuhiro Minomo, Kentaro Mori, Yosuke Matsui
  • Publication number: 20140284514
    Abstract: The invention provides an electrolytic solution for an aluminum electrolyte capacitor with which there is little deterioration of the electrolytic solution properties, the sparking voltage is high, and shorting does not occur, even when the voltage used is high. The invention also provides an electrolyte (C) formed from anions of at least one phosphoric acid alkyl ester (A) and amidinium cations (B), at least one boric acid compound (F) selected from the group consisting of boric acid and boric acid esters, a C2-15 carboxylic acid (D) formed from carbon atoms, oxygen atoms, and hydrogen atoms only, and an organic solvent (E).
    Type: Application
    Filed: October 2, 2012
    Publication date: September 25, 2014
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventor: Yoshihiko Akazawa
  • Publication number: 20140272699
    Abstract: Provided is a toner binder that is excellent in heat resistant storage properties and hot offset resistance properties and also affords excellent anti-blocking properties of paper when printing continuously. The present invention is directed to a toner binder comprising a crystalline resin (A), wherein the crystalline resin (A) comprises two or more crystalline resins (a) and the endothermic peak temperature group that is composed of all of the endothermic peak temperatures of the respective two or more crystalline resins (a) has two or more different endothermic peak temperatures; and a resin particle containing the toner binder.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Masashi Minaki, Tsuyoshi Izumi, Taiji Yamashita
  • Patent number: 8828261
    Abstract: Provided is an electrolytic solution for an aluminum electrolytic capacitor, which shows a specific conductivity, a high sparking voltage, and a characteristic of causing only a slight expansion of the capacitor in the reflow process, each being comparable with conventional alkyl phosphate anions, and which has high reliability without causing a short circuit. Also provided is an aluminum electrolytic capacitor. The present invention is directed to an electrolytic solution for an aluminum electrolytic capacitor, comprising an electrolyte (C) comprising an alkyl phosphate anion (a) represented by the general formula (1)/(2) and an amidinium cation (b); a borate ester (H) which is obtained by reacting boric acid (d) with diethylene glycol (e) and a polyalkylene glycol (f) having a molecular weight of 130-350 and/or a polyalkylene glycol monoalkyl ether (g) having a molecular weight of 130-350, and which has a boron content of 5-14 wt %; and an organic solvent (J).
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: September 9, 2014
    Assignees: Panasonic Corporation, Sanyo Chemical Industries, Ltd.
    Inventors: Satoshi Nishitani, Yuichiro Tsubaki, Satoshi Yamashita, Yasuhiro Ueda
  • Publication number: 20140228481
    Abstract: A fiber sizing agent is described, which is capable of imparting sufficient sizing properties and fiber spreading properties to reinforced fiber bundles for producing fiber-reinforced composite materials. A fiber sizing agent composition (E) includes a sizing agent (A) having a viscosity of 50 to 3,000 Pa·s at 35° C., and has a thixotropic index of 3 to 15. The sizing agent (A) is preferably an epoxy resin, a polyester resin, a polyurethane resin, a polyether resin or a vinyl ester resin.
    Type: Application
    Filed: September 20, 2012
    Publication date: August 14, 2014
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Masahito Inoue, Kazuki Aoki
  • Patent number: 8779056
    Abstract: Provided is an aqueous polyurethane resin dispersion having a good film-forming property, and excellent mechanical properties and water resistance. The present invention is an aqueous polyurethane resin dispersion comprising water and a polyurethane resin (U) and satisfying all of the following conditions (1) to (6): (1) a urethane group content in the polyurethane resin (U) is 0.5 to 5.0 mmol/g, based on weight of the polyurethane resin (U); (2) a terminal amino group content in the polyurethane resin (U) is not more than 0.35 mmol/g, based on the weight of the polyurethane resin (U); (3) a number average molecular weight (Mn) of the polyurethane resin (U) is 10,000 to 1,000,000; (4) a ratio (Mw/Mn) of a weight average molecular weight (Mw) to the number average molecular weight (Mn) of the polyurethane resin (U) is 1.5 to 3.5; (5) a melting temperature of the polyurethane resin (U) is 70 to 280° C.; and (6) a volume average particle diameter (Dv) of the polyurethane resin (U) is 0.01 to 1 ?m.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: July 15, 2014
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Yosuke Matsui, Mototaka Inaki
  • Patent number: 8772405
    Abstract: A polymer polyol (I) is provided that is formed of a polyol (A), polymer particles (B) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (B). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability. A polyurethane resin obtained by using the polymer polyol of the present invention has excellent mechanical strengths such as elongation at break.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: July 8, 2014
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Takayuki Tsuji, Shigekuni Nakada, Yukiya Kobayashi, Katsuya Uchida