Patents Assigned to The Nippon Synthetic Chemical Industry Co., Ltd.
  • AQUEOUS METAL SURFACE TREATMENT AGENT FOR LITHIUM ION SECONDARY BATTERY
    Publication number: 20140005314
    Abstract: This is to provide an aqueous metal surface treatment agent for a lithium ion secondary battery which can improve interlaminar adhesiveness between a metal member and a resin coating layer such as a film or a coated film, and solvent resistance without using trivalent chromium. The aqueous metal surface treatment agent for a lithium ion secondary battery comprises a polyvinyl alcohol resin containing 2 to 15 mol % of a 1,2-diol structural unit represented by the formula (1): having a degree of saponification of 90 to 99.9 mol % and an average degree of polymerization of 250 to 3000; and a metallic crosslinking agent.
    Type: Application
    Filed: March 6, 2012
    Publication date: January 2, 2014
    Applicants: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD., KYORITSU CHEMICAL & CO., LTD.
    Inventors: Takahiro Minowa, Hiroyuki Tanaka, Satoshi Yamazaki, Mitsuo Shibutani
  • Resin composition, multilayer structure using same and method for producing same
    Patent number: 8592048
    Abstract: Disclosed is a resin composition comprising (A) a saponified ethylene-vinyl ester copolymer and (B) a completely or partially dehydrated polyvalent metal sulfate hydrate. Preferably, the component (B) is a completely or partially dehydrated 2-valent metal sulfate hydrate. The resin composition can suppress increasing viscosity in preparation thereof as well as production of the multilayer structure therefrom. A molded article can be stably produced and recover quickly gas barrier property deteriorated by hot water treatment and additionally maintain the superior gas barrier property.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: November 26, 2013
    Assignee: The Nippon Synthetic Chemical Industry Co., Ltd.
    Inventors: Tomonori Yoshida, Kouji Yamada
  • Polyvinyl alcohol resin composition and molded article thereof
    Patent number: 8569414
    Abstract: Disclosed is a polyvinyl alcohol resin composition capable of providing a melt-molded article with superior gas barrier properties and flex crack resistance. The resin composition comprises (A) a PVA resin having 1,2-diol unit in side chain thereof; and (B) a mixture of block copolymers each having an aromatic vinyl polymer block, and a conjugated diene polymer block and/or hydrogenated thereof, wherein the (B) mixture of block copolymers includes (B1) a block copolymer having no carboxyl group and (B2) a block copolymer modified with a carboxyl group-containing compound.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: October 29, 2013
    Assignee: The Nippon Synthetic Chemical Industry Co., Ltd.
    Inventors: Mitsuo Shibutani, Kazutoshi Tsuji, Kaoru Inoue, Norihito Sakai
  • Saponified ethylene-vinyl ester copolymer resin composition and multilayer structure using the composition
    Patent number: 8563108
    Abstract: Disclosed is an EVOH resin composition which exhibits coloration resistance and thermal resistance even at high temperature, and which has excellent adhesiveness to a thermoplastic resin composition. Such EVOH resin composition can provide a multilayer structure having excellent appearance. The EVOH resin composition comprises (A) an EVOH resin, (B) an alkaline earth metal, (C) an alkali metal, and (D) a carboxylic acid having from 2 to 4 carbon atoms, wherein the contents of the components (B), (C) and (D) are adjusted to the specific range.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: October 22, 2013
    Assignee: The Nippon Synthetic Chemical Industry Co., Ltd.
    Inventor: Shouichi Kani
  • COATING LIQUID FOR IMPURITY DIFFUSION
    Publication number: 20130249059
    Abstract: Disclosed is a coating liquid for impurity diffusion comprising: (A) a polyvinyl alcohol resin having a 1,2-diol structural unit represented by the following general formula (1): wherein R1, R2 and R3 each independently represent a hydrogen atom or an organic group, X represents a single bond or a bond chain, and R4, R5 and R6 each independently represent a hydrogen atom or an organic group; (B) an impurity; and (C) water. The coating liquid for impurity diffusion is highly stable, and exhibits excellent printing properties; for example, when printing is continuously carried out for a longer period of time or resumed after a pause. Accordingly, the coating liquid for impurity diffusion is particularly suitable as a coating liquid for impurity diffusion for use for applying by screen printing.
    Type: Application
    Filed: November 29, 2011
    Publication date: September 26, 2013
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Hiroaki Sato, Katsuhiko Katsuma, Kuniyasu Kato, Yuka Tsutsumi
  • RESIN COMPOSITION AND MOLDED ARTICLE THEREOF
    Publication number: 20130131270
    Abstract: There is provided a resin composition affording a melt-molded article having excellent gas barrier properties and flex crack resistance. The present invention relates to a resin composition comprising a polyvinyl alcohol resin (A) having a 1,2-diol structural unit represented by the following general formula (1), a styrene-based thermoplastic elastomer (B), and a polyamide graft block copolymer (C) containing a polymer block of an aromatic vinyl compound and a polymer block of an olefinic compound in a main chain and having a graft chain composed of a polyamide: wherein each of R1, R2, and R3 independently represents a hydrogen atom or an organic group, X represents a single bond or a linking chain, and each of R4, R5, and R6 independently represents a hydrogen atom or an organic group.
    Type: Application
    Filed: July 28, 2011
    Publication date: May 23, 2013
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Mitsuo Shibutani, Kaoru Inoue, Norihito Sakai
  • PURGING AGENT AND PURGING METHOD USING THE SAME
    Publication number: 20130104937
    Abstract: A purging agent by which excellent cleaning effect is obtained even under severe environment of narrow flow passage and high temperature like a die portion of a melt molding machine is provided. The present invention relates to a purging agent comprising a hydrocarbon resin and at least one of the metal salts of Groups 1 and 2 metals in the short form periodic table, wherein the content of the metal salt based on the hydrocarbon resin is more than 1 wt % in terms of the metal.
    Type: Application
    Filed: July 6, 2011
    Publication date: May 2, 2013
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Kenji Kato, Hideshi Onishi
  • Crosslinking agent, crosslinked polymer, and uses thereof
    Patent number: 8426632
    Abstract: There is provided a novel crosslinking agent for use in crosslinked polymer fabrication, specifically a crosslinking agent containing at least one compound selected from glyoxylate and a glyoxylic acid ester derivative represented by the following general formula (1): wherein R1 and R2 each independently represents an alkyl group having 1 to 10 carbon atoms and R3 represents hydrogen or an alkyl group having 1 to 10 carbon atoms.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: April 23, 2013
    Assignee: The Nippon Synthetic Chemical Industry Co., Ltd.
    Inventors: Shinichi Tanaka, Hideki Kageyama, Hiroyuki Ono, Akiko Kuruma
  • MATERIAL FOR USE AS ELECTROLYTE, LITHIUM SECONDARY BATTERY ELECTROLYTE, LITHIUM SECONDARY BATTERY EMPLOYING THE SAME, AND NOVEL LITHIUM SALT
    Publication number: 20130089777
    Abstract: An inventive electrolyte material contains a lithium salt comprising the following components (A1) and (B), or contains the following components (A1), (A2) and (B): (A1) a lithium cation; (A2) an organic cation; and (B) a cyanofluorophosphate anion represented by the following general formula (1): ?P(CN)nF6-n??(1) wherein n is an integer of 1 to 5. The inventive electrolyte material is excellent in electrochemical properties, i.e., has a higher electrical conductivity and a higher oxidation potential, and is capable of forming an electrode protection film, so that a highly safe lithium secondary battery can be provided.
    Type: Application
    Filed: May 11, 2011
    Publication date: April 11, 2013
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Ryouta Tatsumi, Yasuhiro Aoki, Seiji Maeda, Mio Miyano, Seiichirou Hayakawa
  • SAPONIFIED ETHYLENE-VINYL ESTER COPOLYMER RESIN COMPOSITION AND MULTILAYER STRUCTURE USING THE COMPOSITION
    Publication number: 20130065001
    Abstract: Disclosed is an EVOH resin composition which exhibits coloration resistance and thermal resistance even at high temperature, and which has excellent adhesiveness to a thermoplastic resin composition. Such EVOH resin composition can provide a multilayer structure having excellent appearance. The EVOH resin composition comprises (A) an EVOH resin, (B) an alkaline earth metal, (C) an alkali metal, and (D) a carboxylic acid having from 2 to 4 carbon atoms, wherein the contents of the components (B), (C) and (D) are adjusted to the specific range.
    Type: Application
    Filed: November 6, 2012
    Publication date: March 14, 2013
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventor: The Nippon Synthetic Chemical Industry Co., Ltd.
  • SYNTHETIC LUBRICANT
    Publication number: 20130053287
    Abstract: Provided is a lubricating oil additive which is able to impart friction adjusting performance and rust preventing performance which are essential for practical use of a lubricant composed of an ionic liquid, and is dissolved or dispersed in the ionic liquid even when blended with the ionic liquid, and thus, does not inhibit performances as a base oil of the ionic liquid. The present invention relates to a synthetic lubricant including a fluorine atom-containing ionic liquid (A) as a main component, wherein the synthetic lubricant contains an imidazolium phosphate ester salt (B).
    Type: Application
    Filed: January 28, 2011
    Publication date: February 28, 2013
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: You Honda, Naritoshi Kawata, Masahiro Yamaguchi, Shigeyuki Mori
  • PVA particle for temporary embolic material and production process thereof, and temporary embolic material
    Patent number: 8361454
    Abstract: A temporary embolic material for blood vessel which can embolize a blood vessel in a living body and is used for the temporary embolization of the blood stream. More specifically, disclosed is an embolus-forming material comprising a specific PVA particle which can be used for the closure of the inner lumen of a blood vessel by the PVA particle to embolize the blood stream, which can ultimately be absorbed in the living body, which can be excreted out of the body and which does not remain in the body. A pearl-like polyvinyl alcohol particle for use as a temporary embolic material, the particle having a saponification degree of 90 mol % or higher and an average particle diameter of 70 to 1000 ?m; and a temporary embolic material comprising the particle mixed or dissolved therein.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: January 29, 2013
    Assignee: The Nippon Synthetic Chemical Industry Co., Ltd.
    Inventors: Mitsuo Shibutani, Shinya Wakimoto, Yuzo Shomura
  • Process for producing ethylene/vinyl alcohol copolymer
    Patent number: 8350002
    Abstract: A process is provided for producing an ethylene/vinyl alcohol copolymer by which impurities such as catalyst residue and by-products and solvent are removed to a high degree. A high-quality, homogeneous product can be efficiently produced by including a washing step including: introducing a paste containing an ethylene/vinyl alcohol copolymer and an alcohol into a washing tank; applying a shear force to the paste to knead the paste while contacting the paste with washing water so that a surface of the paste is repeatedly displaced by an inner part thereof; and discharging the alcohol to an outside of the tank together with the washing water to obtain a water-containing ethylene/vinyl alcohol copolymer composition having a small alcohol content.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: January 8, 2013
    Assignee: The Nippon Synthetic Chemical Industry Co., Ltd.
    Inventors: Keisuke Fujimura, Nobuaki Sato, Satoshi Matsunuma, Yasufumi Beniya
  • RESIN COMPOSITION AND MULTILAYER STRUCTURAL BODY EMPLOYING THE SAME
    Publication number: 20120328866
    Abstract: The present invention provides a resin composition which comprises: (A) a saponifed ethylene-vinyl ester copolymer; (B) a rubber-like graft polymer; and (C) a polyalkylene ether unit-containing polymer. The inventive resin composition, which employs the saponfied ethylene-vinyl ester copolymer, is excellent in impact resistance.
    Type: Application
    Filed: March 10, 2011
    Publication date: December 27, 2012
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Noriyoshi Inoue, Hideshi Onishi
  • EVOH resin composition, and molded article and multilayer structure both comprising same
    Patent number: 8298636
    Abstract: Provided is an EVOH resin composition suitable for use as a multilayer structure serving as a material for molded articles, in particular, liquid container such as bags for bag-in-boxes. The EVOH resin composition has such flexibility that even when used in applications where the resin composition is repeatedly folded or deformed over a long period, the resin composition does not develop pinholes or the like, and further has excellent gas barrier properties and melt molding stability.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: October 30, 2012
    Assignee: The Nippon Synthetic Chemical Industry Co., Ltd.
    Inventors: Shouichi Kani, Noriaki Kurokawa
  • Process for manufacturing composition of solvolysis product of ethylene-vinyl ester copolymer
    Patent number: 8283416
    Abstract: Processes for manufacturing a composition of a solvolysis product of an ethylene-vinyl ester copolymer, which comprises: conducting solvolysis of an ethylene-vinyl ester copolymer (A?) and a modified ethylene-vinyl ester copolymer (B?) comprising a unit derived from a compound represented by the general formula (2) in one system to manufacture the composition of a solvolysis product of an ethylene-vinyl ester copolymer comprising a solvolysis product (A) of the ethylene-vinyl ester copolymer and a solvolysis product (B) of the modified ethylene-vinyl ester copolymer comprising a unit represented by the general formula (1), wherein a ratio of an ethylene content (B?)/(A?) of copolymer (A?) and copolymer (B?) in conducting solvolysis is 1 or more, and a blending ratio (B?)/(A?) of the ethylene-vinyl ester copolymer (A?) and the modified ethylene-vinyl ester copolymer (B?) is from 50/50 to 1/99 by weight:
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: October 9, 2012
    Assignee: The Nippon Synthetic Chemical Industry Co., Ltd.
    Inventors: Yasufumi Beniya, Keisuke Fujimura, Akio Harao
  • PROCESS FOR PRODUCING ETHYLENE/VINYL ALCOHOL COPOLYMER
    Publication number: 20120172564
    Abstract: A process is provided for producing an ethylene/vinyl alcohol copolymer by which impurities such as catalyst residue and by-products and solvent are removed to a high degree. A high-quality, homogeneous product can be efficiently produced by including a washing step including: introducing a paste containing an ethylene/vinyl alcohol copolymer and an alcohol into a washing tank; applying a shear force to the paste to knead the paste while contacting the paste with washing water so that a surface of the paste is repeatedly displaced by an inner part thereof; and discharging the alcohol to an outside of the tank together with the washing water to obtain a water-containing ethylene/vinyl alcohol copolymer composition having a small alcohol content.
    Type: Application
    Filed: October 7, 2010
    Publication date: July 5, 2012
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Keisuke Fujimura, Nobuaki Sato, Satoshi Matsunuma, Yasufumi Beniya
  • POLYVINYL ALCOHOL RESIN COMPOSITION AND MOLDED ARTICLE THEREOF
    Publication number: 20120157627
    Abstract: Disclosed is a polyvinyl alcohol resin composition capable of providing a melt-molded article with superior gas barrier properties and flex crack resistance. The resin composition comprises (A) a PVA resin having 1,2-diol unit in side chain thereof; and (B) a mixture of block copolymers each having an aromatic vinyl polymer block, and a conjugated diene polymer block and/or hydrogenated thereof, wherein the (B) mixture of block copolymers includes (B1) a block copolymer having no carboxyl group and (B2) a block copolymer modified with a carboxyl group-containing compound.
    Type: Application
    Filed: February 28, 2012
    Publication date: June 21, 2012
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Mitsuo SHIBUTANI, Kazutoshi TSUJI, Kaoru INOUE, Norihito SAKAI
  • MULTILAYER STRUCTURE
    Publication number: 20120156513
    Abstract: A multilayer structure includes (A) a layer consisting primarily of a polyethylene terephthalate resin which includes a dicarboxylic acid component unit including terephthalic acid and a diol component unit primarily including ethylene glycol, the dicarboxylic acid component including a non-terephthalic-acid dicarboxylic acid in a copolymerization ratio of 15 to 40 mol % based on the overall amount of the dicarboxylic acid component; and (B) a layer provided in stacked adjacent relation to the layer (A) and consisting primarily of a polyvinyl alcohol resin having a structural unit represented by the following general formula (1):
    Type: Application
    Filed: August 18, 2010
    Publication date: June 21, 2012
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Masayuki Kawabe, Mitsuo Shibutani, Kaoru Inoue, Norihito Sakai
  • RESIN COMPOSITION, MULTILAYER STRUCTURE USING SAME AND METHOD FOR PRODUCING SAME
    Publication number: 20120128961
    Abstract: Disclosed is a resin composition comprising (A) a saponified ethylene-vinyl ester copolymer and (B) a completely or partially dehydrated polyvalent metal sulfate hydrate. Preferably, the component (B) is a completely or partially dehydrated 2-valent metal sulfate hydrate. The resin composition can suppress increasing viscosity in preparation thereof as well as production of the multilayer structure therefrom. A molded article can be stably produced and recover quickly gas barrier property deteriorated by hot water treatment and additionally maintain the superior gas barrier property.
    Type: Application
    Filed: January 31, 2012
    Publication date: May 24, 2012
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Tomonori YOSHIDA, Kouji YAMADA