Patents Assigned to UMG ABS, Ltd
  • Publication number: 20150057201
    Abstract: [Object] To provide lubricating thermoplastic resin compositions that can give formed articles exhibiting excellent lubricating properties and surface appearance and maintaining the lubricating properties permanently. [Solution] The lubricating thermoplastic resin composition includes an acid-modified copolymer (A) of a monomer mixture including an aromatic vinyl and a vinyl cyanide, the copolymer having a carboxyl group in the molecular chain, and a functionalized lubricant (B) having, in the molecule, a functional group (B1) capable of reacting with the carboxyl group and a lubricating segment (B2) having lubricating properties. The composition may further include a graft copolymer (C) and/or an additional thermoplastic resin (D) other than the acid-modified copolymer (A).
    Type: Application
    Filed: April 5, 2013
    Publication date: February 26, 2015
    Applicant: UMG ABS, LTD.
    Inventors: Yoshitaka Naitoh, Kousaku Tao, Tomonori Takase, Risa Nii, Yoshiaki Shinohara, Keiichi Yagi, Nobutaka Hase
  • Patent number: 8877854
    Abstract: The present invention relates to a reinforced thermoplastic resin composition having excellent moldability, processability, and mechanical strengths, as well as being capable of improving the drop impact resistance (surface impact strength determined by a falling ball test). The reinforced thermoplastic resin composition of the present invention includes 10 to 60% by mass of a graft copolymer (A) having a graft chain (A2) grafted to a rubber polymer (A1); 40 to 90% by mass of a matrix polymer (B) which includes one or more types of polymers selected from the group consisting of a vinyl-based copolymer (B-1), a polycarbonate resin (B-2), and a polyester resin (B-3); 0.1 to 50 parts by mass of an inorganic filler (D); and 0.5 to 20 parts by mass of a glycidyl ether unit-containing polymer (E) having a mass average molecular weight of 3,000 to 200,000.
    Type: Grant
    Filed: December 26, 2008
    Date of Patent: November 4, 2014
    Assignee: UMG ABS, Ltd.
    Inventors: Koichi Tezuka, Masahito Nakamoto, Emiko Fujimoto
  • Publication number: 20140093682
    Abstract: A reinforced thermoplastic resin composition containing: 50 to 90% by weight of a polycarbonate resin; 10 to 50% by weight of a graft copolymer in which a polymer including an aromatic alkenyl compound monomer unit and a vinyl cyanide compound monomer unit is grafted to a rubber polymer; 61 to 129 parts by weight of a grass fiber which has been surface-treated with a water-soluble polyurethane, relative to the total of 100 parts by weight of the polycarbonate resin and the graft copolymer; 0.5 to 20 parts by weight of a glycidyl ether unit-containing polymer; and 10 to 40 parts by weight of a phosphoric acid ester-based flame-retardant agent.
    Type: Application
    Filed: December 6, 2013
    Publication date: April 3, 2014
    Applicant: UMG ABS, LTD.
    Inventors: Masahito Nakamoto, Koichi Tezuka, Hideichiro Kawaguchi
  • Publication number: 20130345362
    Abstract: [Object] To provide acrylic rubber graft copolymers capable of giving thermoplastic resin compositions exhibiting excellent impact resistance, rigidity and appearance, and to provide thermoplastic resin compositions including the acrylic rubber graft copolymers. [Solution] An acrylic rubber graft copolymer is obtained by graft polymerizing a vinyl monomer in the presence of a rubbery polymer including acrylate ester monomer units and polyfunctional monomer units, wherein the total amount of the polyfunctional monomer units in the rubbery polymer is 0.3 to 3 parts by mass with respect to 100 parts by mass of the acrylate ester monomer units, and the polyfunctional monomer units include 30 to 95 mass % of polyfunctional monomer units having two unsaturated bonds and 5 to 70 mass % of polyfunctional monomer units having three unsaturated bonds with respect to 100 mass % of the total of the polyfunctional monomer units. A thermoplastic resin composition includes the acrylic rubber graft copolymer.
    Type: Application
    Filed: March 23, 2012
    Publication date: December 26, 2013
    Applicant: UMG ABS, LTD.
    Inventors: Kazuhiko Maeda, Takahiro Nakamura, Hironori Matsuyama
  • Publication number: 20130338311
    Abstract: A variety of molded bodies having high weatherability, impact resistance, designability, and the like, and a polyorganosiloxane latex and a graft copolymer used as the raw material therefor are provided. A polyorganosiloxane latex having a mass average particle diameter (Dw) of a polyorganosiloxane particle of 100 to 200 nm, and a ratio of the mass average particle diameter (Dw) to a number average particle diameter (Dn) (Dw/Dn) of 1.0 to 1.7. A polyorganosiloxane-containing vinyl-based copolymer (g) obtained by polymerizing one or more vinyl-based monomers in the presence of the latex. A graft copolymer (G) obtained by graft polymerizing one or more vinyl-based monomers in the presence of the copolymer. A thermoplastic resin composition including the graft copolymer (Ga) and a thermoplastic resin (Ha) except for the graft copolymer (Ga). A molded body obtained by molding the resin composition. A lamp housing for vehicle lighting including the molded body obtained by molding the composition.
    Type: Application
    Filed: February 9, 2012
    Publication date: December 19, 2013
    Applicants: UMG ABS, LTD., MITSUBISHI RAYON CO., LTD.
    Inventors: Ayaka Wakita, Toshihiro Kasai, Hidemichi Kouno, Shigenari Takeda
  • Patent number: 8609754
    Abstract: Provided is a flame-retardant thermoplastic resin composition in which any halogenated flame retardant is not used but a phosphoric flame retardant is used, which has flame retardancy meeting U.S. UL Standard 94 V-2, which exhibits excellent dripping performance during burning, and which is excellent in balance between properties. The flame-retardant thermoplastic resin composition contains 100 parts by mass of a copolymer mixture containing a graft copolymer (A) obtained by graft-polymerizing a rubbery polymer, a vinyl cyanide compound, and a copolymerizable vinyl compound and a vinyl copolymer (B) which is obtained by copolymerizing the vinyl cyanide compound and the copolymerizable vinyl compound and which has a mass-average molecular weight of 90,000 to 160,000 and 5 to 20 parts by mass of a phosphoric flame retardant (C) blended with the copolymer mixture. The content CB1 of vinyl cyanide units in the acetone-insoluble fraction of the copolymer mixture is 22.0% to 32.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: December 17, 2013
    Assignee: UMG ABS, Ltd.
    Inventors: Yoshitaka Naito, Shigeki Hamamoto, Hirotoshi Saito, Hiroshi Tanigawa, Joichi Watanabe, Koichi Tezuka, Masahito Nakamoto
  • Patent number: 8536248
    Abstract: The reinforced thermoplastic resin composition of the present invention includes: 50 to 90% by weight of a polycarbonate resin (A); 10 to 50% by weight of a graft copolymer mixture (B) (provided that a total amount of the component (A) and the component (B) accounts for 100% by weight) which is obtained by graft-polymerizing an aromatic alkenyl compound monomer unit (a) and a vinyl cyanide compound monomer unit (b) onto a rubber polymer (B1); and 6 to 22 parts by weight of an inorganic filler (D) which has been surface-treated with a water-soluble polyamide, relative to the total of 100 parts by weight of the polycarbonate resin (A) and the graft copolymer mixture (B). There is provided a reinforced thermoplastic resin composition exhibiting excellent moldability, generates a minimal amount of gas during molding, and also being capable of improving the rigidity of the resulting molded article and the impact resistance when dropping the product.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: September 17, 2013
    Assignee: UMG ABS, Ltd.
    Inventors: Masahito Nakamoto, Koichi Tezuka
  • Patent number: 8507586
    Abstract: The reinforced thermoplastic resin composition of the present invention includes: 50 to 90% by weight of a polycarbonate resin (A); 10 to 50% by weight of a graft copolymer mixture (B) (provided that a total amount of the component (A) and the component (B) accounts for 100% by weight) which is obtained by graft-polymerizing an aromatic alkenyl compound monomer unit (a) and a vinyl cyanide compound monomer unit (b) onto a rubber polymer (B1); and 6 to 22 parts by weight of an inorganic filler (D) which has been surface-treated with a water-soluble polyamide, relative to the total of 100 parts by weight of the polycarbonate resin (A) and the graft copolymer mixture (B). There is provided a reinforced thermoplastic resin composition exhibiting excellent moldability, generates a minimal amount of gas during molding, and also being capable of improving the rigidity of the resulting molded article and the impact resistance when dropping the product.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: August 13, 2013
    Assignee: UMG ABS, Ltd.
    Inventors: Masahito Nakamoto, Koichi Tezuka
  • Publication number: 20120245261
    Abstract: Provided is a flame-retardant thermoplastic resin composition in which any halogenated flame retardant is not used but a phosphoric flame retardant is used, which has flame retardancy meeting U.S. UL Standard 94 V-2, which exhibits excellent dripping performance during burning, and which is excellent in balance between properties. The flame-retardant thermoplastic resin composition contains 100 parts by mass of a copolymer mixture containing a graft copolymer (A) obtained by graft-polymerizing a rubbery polymer, a vinyl cyanide compound, and a copolymerizable vinyl compound and a vinyl copolymer (B) which is obtained by copolymerizing the vinyl cyanide compound and the copolymerizable vinyl compound and which has a mass-average molecular weight of 90,000 to 160,000 and 5 to 20 parts by mass of a phosphoric flame retardant (C) blended with the copolymer mixture. The content CB1 of vinyl cyanide units in the acetone-insoluble fraction of the copolymer mixture is 22.0% to 32.
    Type: Application
    Filed: November 18, 2010
    Publication date: September 27, 2012
    Applicant: UMG ABS, LTD.
    Inventors: Yoshitaka Naito, Shigeki Hamamoto, Hirotoshi Saito, Hiroshi Tanigawa, Joichi Watanabe, Koichi Tezuka, Masahito Nakamoto
  • Publication number: 20120193586
    Abstract: An electrically conductive thermoplastic resin composition contains (i) 100 parts by mass of a thermoplastic resin component, which consists of 1 to 100% by mass of a polycarbonate resin (A) and 0 to 99% by mass of a rubber-reinforced resin (B) obtained by polymerizing at least one vinyl monomer selected from the group consisting of an aromatic vinyl, a vinyl cyanide and a (meth)acrylate ester in the presence of a rubbery polymer, and (ii) 0.1 to 20 parts by mass of a fine carbon fiber (C), wherein a graphite-net plane consisting solely of carbon atoms forms a temple-bell-shaped structural unit comprising closed head-top part and body-part with open lower-end, 2 to 30 of the temple-bell-shaped structural units are stacked sharing a common central axis to form an aggregate, and the aggregates are connected in head-to-tail style with a distance to form the fiber.
    Type: Application
    Filed: September 1, 2010
    Publication date: August 2, 2012
    Applicants: UMG ABS, LTD., UBE INDUSTRIES, LTD.
    Inventors: Ken Nakamura, Masayuki Nishio, Yoshitaka Naitou, Hisaya Yokohama
  • Patent number: 8147977
    Abstract: A thermoplastic resin composition that includes 100 parts by mass of a first vinyl (co)polymer (I) that is produced by (co)polymerization of at least one monomer component selected from the group consisting of aromatic vinyl compounds, vinyl cyanide compounds, and other vinyl monomers copolymerizable with these compounds, and 1 to 100 parts by mass of a vinyl copolymer (II) that is produced by copolymerization of a vinyl cyanide compound and another vinyl monomer copolymerizable with the vinyl cyanide compound and in which the content of the vinyl cyanide compound component in an acetone soluble fraction of the copolymer ranges from 0.1% to 15% by mass.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: April 3, 2012
    Assignee: UMG ABS, Ltd.
    Inventors: Kazuo Nishimoto, Katsuya Furushige, Koji Hirata, Yoshito Nagao
  • Patent number: 7589142
    Abstract: A polyamide resin/rubber-reinforced styrene-based resin composition, particularly, a polyamide resin/ABS resin composition, excellent in the balance between impact strength and fluidity as well as in the heat resistance, chemical resistance and paintability, as well as a shaped article thereof, are provided. The resin composition comprises 100 parts by weight of a thermoplastic resin comprising (A) from 79.5 to 20 parts by weight of a polyamide resin, (B) from 20 to 79.5 parts by weight of a polymer obtained by grafting an aromatic vinyl-based monomer and a vinyl cyanide-based monomer to a specific rubber-like polymer, (C) from 0.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: September 15, 2009
    Assignees: UMG ABS, Ltd, Ube Industries, Ltd.
    Inventors: Kazuhiko Maeda, Toshio Takemoto, Masakazu Fujii, Yasuharu Fukui, Yoshihiro Urata
  • Publication number: 20090110943
    Abstract: A thermoplastic resin composition that has high chemical resistance, excellent appearance of a molded product thereof, and, as a surface layer material, good adhesion to a base material resin, particularly a PS resin or its waste resin, and that can provide a composite molded product having excellent processibility (for example, chipping resistance) and high durability (for example, heat-cycle resistance), and a composite molded product including the thermoplastic resin composition as a surface layer material.
    Type: Application
    Filed: May 8, 2007
    Publication date: April 30, 2009
    Applicant: UMG ABS, LTD.
    Inventors: Kazuo Nishimoto, Katsuya Furushige, Koji Hirata, Yoshito Nagao