Patents by Inventor Taizo Aoyama
Taizo Aoyama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10253143Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.Type: GrantFiled: June 10, 2009Date of Patent: April 9, 2019Assignee: KANEKA CORPORATIONInventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
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Patent number: 9273208Abstract: Disclosed herein is an acrylic resin film having excellent heat resistance and mechanical strength, less fish-eyes, and high transparency. The acrylic resin film is obtained by molding a resin composition containing a glutarimide acrylic resin (G) and a (meth)acrylic resin (F) obtained by polymerization of a vinyl group-containing compound in the presence of alkyl acrylate-based cross-linked elastic particles having an average particle size of less than 80 nm.Type: GrantFiled: February 20, 2012Date of Patent: March 1, 2016Assignee: KANEKA CORPORATIONInventors: Yukihiro Shimamoto, Fujio Ishimaru, Takahiro Furo, Taizo Aoyama
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Patent number: 9074058Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.Type: GrantFiled: February 24, 2011Date of Patent: July 7, 2015Assignee: KANEKA CORPORATIONInventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
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Publication number: 20140045995Abstract: Disclosed herein is an acrylic resin film having excellent heat resistance and mechanical strength, less fish-eyes, and high transparency. The acrylic resin film is obtained by molding a resin composition containing a glutarimide acrylic resin (G) and a (meth)acrylic resin (F) obtained by polymerization of a vinyl group-containing compound in the presence of alkyl acrylate-based cross-linked elastic particles having an average particle size of less than 80 nm.Type: ApplicationFiled: February 20, 2012Publication date: February 13, 2014Applicant: KANEKA CORPORATIONInventors: Yukihiro Shimamoto, Fujio Ishimaru, Takahiro Furo, Taizo Aoyama
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Publication number: 20130295396Abstract: Disclosed herein is a (meth)acrylic resin film excellent in adhesiveness to vapor-deposited metal and external appearance. The (meth)acrylic resin film includes acrylic rubber particles (A) having an acid value of 0.2 mmol/g or more, wherein an acid value of an entire resin constituting the film is 0.15 mmol/g or more but 1.5 mmol/g or less.Type: ApplicationFiled: October 18, 2011Publication date: November 7, 2013Applicant: KANEKA CORPORATIONInventors: Fujio Ishimaru, Yukihiro Shimamoto, Taizo Aoyama, Kimihide Nishimura
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Publication number: 20130184375Abstract: A jet-black rubber modified acrylic resin composition comprising: a rubber modified acrylic resin (A); and a carbon black (B) blended with the resin (A), the rubber modified acrylic resin (A) being capable of providing a 3-mm-thick molded product that has transparency with a total light transmittance of 85% or higher, and the carbon black being dispersed in the resin composition and having a particle diameter of 10 to 40 nm.Type: ApplicationFiled: January 13, 2012Publication date: July 18, 2013Applicant: KANEKA CORPORATIONInventors: Taizo Aoyama, Tetsuo Mekata, Yutaka Kaneda
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Patent number: 8053491Abstract: An object of the invention is to provide a resin composition which is particularly excellent in impact resistance, tensile elongation characteristics, heat resistance, surface properties, moldability and the like accompanied by less time dependent alteration of these properties and which is produced by mixing a certain plasticizer with a biodegradable polymer of plant origin, and to provide a molded product of the composition. The present invention can provide a resin composition comprising a biodegradable 3-hydroxyalkanoate copolymer (A) and a plasticizer (B), wherein: the biodegradable 3-hydroxyalkanoate copolymer (A) has a recurring unit represented by the structure formula (1): [—CHR—CH2—CO—O—] (wherein, R represents an alkyl group represented by CnH2n+1; and n is an integer of 1 to 15); the plasticizer (B) is based upon a polyglycerol acetic acid ester having an acetylation degree of no less than 50% ester.Type: GrantFiled: August 9, 2007Date of Patent: November 8, 2011Assignee: Kaneka CorporationInventors: Taizo Aoyama, Nobuo Nakamura, Yoshihiko Hashimoto, Noriyuki Suzuki
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Patent number: 7973101Abstract: Disclosed is a resin composition excellent in impact resistance, tensile properties and processability such as draw down property, which is produced by using a plant-derived biodegradable polymer produced by actively fixing carbon dioxide present in the earth. A resin composition comprising (A) a specific biodegradable (3-hydroxyalkanoate) copolymer, (B) a graft copolymer and (C) an acrylic processing modifier, the graft copolymer (B) and the acrylic processing modifier (C) being contained in the composition in amounts of 0.1 to 100 parts by weight and 0.1 to 30 parts by weight, respectively, based on 100 parts by weight of the biodegradable (3-hydroxyalkanoate) copolymer (A).Type: GrantFiled: May 12, 2006Date of Patent: July 5, 2011Assignee: Kaneka CorporationInventors: Taizo Aoyama, Nobuo Nakamura, Yoshihiko Hashimoto, Noriyuki Suzuki
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Publication number: 20110151229Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.Type: ApplicationFiled: February 24, 2011Publication date: June 23, 2011Applicant: KANEKA CORPORATIONInventors: Kouji MORITA, Yukihiro SHIMAMOTO, Kazuhito WADA, Taizo AOYAMA
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Publication number: 20110124816Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fuororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.Type: ApplicationFiled: June 10, 2009Publication date: May 26, 2011Applicant: KANEKA CORPORATIONInventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
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Patent number: 7919549Abstract: Disclosed is a resin composition excellent in molding processability which comprises a plant-derived biodegradable plastic produced by actively fixing carbon dioxide present in the earth. A resin composition excellent in molding processability, comprising (A) a biodegradable (3-hydroxyalkanoate) copolymer having a recurring unit represented by the formula (1): [—CHR—CH2—CO—O—] (wherein R represents an alkyl group represented by the formula CnH2n+1 and n is an integer of 1 to 15) and 0.1 to 100 parts by weight, based on 100 parts by weight of (A) the biodegradable (3-hydroxyalkanoate) copolymer, of (B) an acrylic modifier having a weight average molecular weight (Mw) of 500,000 to 10,000,000.Type: GrantFiled: May 8, 2006Date of Patent: April 5, 2011Assignee: Kaneka CorporationInventors: Nobuo Nakamura, Taizo Aoyama, Yoshihiko Hashimoto, Noriyuki Suzuki
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Publication number: 20100041791Abstract: An object of the invention is to provide a resin composition which is particularly excellent in impact resistance, tensile elongation characteristics, heat resistance, surface properties, moldability and the like accompanied by less time dependent alteration of these properties and which is produced by mixing a certain plasticizer with a biodegradable polymer of plant origin, and to provide a molded product of the composition. The present invention can provide a resin composition comprising a biodegradable 3-hydroxyalkanoate copolymer (A) and a plasticizer (B), wherein: the biodegradable 3-hydroxyalkanoate copolymer (A) has a recurring unit represented by the structure formula (1): [—CHR—CH2—CO—O—] (wherein, R represents an alkyl group represented by CnH2n+1; and n is an integer of 1 to 15); the plasticizer (B) is based upon a polyglycerol acetic acid ester having an acetylation degree of no less than 50% ester.Type: ApplicationFiled: August 9, 2007Publication date: February 18, 2010Applicant: KANEKA CORPORATIONInventors: Taizo Aoyama, Nobuo Nakamura, Yoshihiko Hashimoto, Noriyuki Suzuki
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Publication number: 20090111921Abstract: Disclosed is a resin composition excellent in molding processability which comprises a plant-derived biodegradable plastic produced by actively fixing carbon dioxide present in the earth. A resin composition excellent in molding processability, comprising (A) a biodegradable (3-hydroxyalkanoate) copolymer having a recurring unit represented by the formula (1): [—CHR—CH2—CO—O—] (wherein R represents an alkyl group represented by the formula CnH2n+1 and n is an integer of 1 to 15) and 0.1 to 100 parts by weight, based on 100 parts by weight of (A) the biodegradable (3-hydroxyalkanoate) copolymer, of (B) an acrylic modifier having a weight average molecular weight (Mw) of 500,000 to 10,000,000.Type: ApplicationFiled: May 8, 2006Publication date: April 30, 2009Applicant: KANEKA CORPORATIONInventors: Nobuo Nakamura, Taizo Aoyama, Yoshihiko Hashimoto, Noriyuki Suzuki
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Publication number: 20090076191Abstract: Disclosed is a resin composition excellent in impact resistance, tensile properties and processability such as draw down property, which is produced by using a plant-derived biodegradable polymer produced by actively fixing carbon dioxide present in the earth. A resin composition comprising (A) a specific biodegradable (3-hydroxyalkanoate) copolymer, (B) a graft copolymer and (C) an acrylic processing modifier, the graft copolymer (B) and the acrylic processing modifier (C) being contained in the composition in amounts of 0.1 to 100 parts by weight and 0.1 to 30 parts by weight, respectively, based on 100 parts by weight of the biodegradable (3-hydroxyalkanoate) copolymer (A).Type: ApplicationFiled: May 12, 2006Publication date: March 19, 2009Applicant: KANEKA CORPORATIONInventors: Taizo Aoyama, Nobuo Nakamura, Yoshihiko Hashimoto, Noriyuki Suzuki
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Patent number: 7473736Abstract: The novel thermoplastic elastomer composition of the present invention, which comprises an isobutylene block copolymer (A) containing a polymer block composed predominantly of isobutylene and a polymer block composed predominantly of an aromatic vinyl compound and an alkenyl-terminated isobutylene polymer (B), is highly flexible, and satisfactory in good moldability, rubber-like characteristics, mechanical strengths, permanent compression set characteristics and vibration damping properties.Type: GrantFiled: December 24, 2002Date of Patent: January 6, 2009Assignee: Kaneka CorporationInventors: Ryuji Fukuda, Hironari Nakabayashi, Taizo Aoyama
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Publication number: 20080249236Abstract: A sealing material for insulating glass eliminating problem necessity of long-time aging after production is provided and a resin composition having high long-term adhesion strength, high shape retention, and high gas-barrier property and especially having excellent hot-melt adhesive property is also provided. The sealing material for insulating glass including a resin composition having hot-melt adhesive property contains an isobutylene-based diblock copolymer (A) composed of a polymer block (a) containing an aromatic vinyl compound as a constituent monomer and a polymer block (b) containing isobutylene as a constituent monomer.Type: ApplicationFiled: September 17, 2004Publication date: October 9, 2008Inventors: Tohru Nakashima, Taizo Aoyama
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Publication number: 20080200637Abstract: A biodegradable sheet or film that is excellent in environmental compatibility accompanied by less time dependent alteration following manufacture of the sheet, having stable flexibility is provided, which can be degraded by a microorganism or the like, and thus can be easily disposed after use. A biodegradable resin sheet which is constituted with a biodegradable (3-HA) copolymer, wherein the rate of change of the tensile elongation with respect to the change in crystallinity (%) from day 1 to day 30 after manufacturing the sheet represented by the formula (1): {[(tensile elongation (%) after a lapse of 1 day following manufacture)?(tensile elongation (%) after a lapse of 30 days following manufacture)]/[(crystallinity (%) after a lapse of 30 days following manufacture)?(crystallinity (%) after a lapse of 1 day following manufacture)]} is equal to or less than 20, and the tensile elongation after a lapse of 60 days following manufacture of the sheet is equal to or greater than 100(%).Type: ApplicationFiled: December 28, 2007Publication date: August 21, 2008Applicants: TOKYO INSTITUTE OF TECHNOLOGY, KANEKA CORPORATIONInventors: Yoshio INOUE, Hexig Alata, Taizo Aoyama
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Publication number: 20080139734Abstract: The present invention relates to a sealing material composition comprising a novel resin composition and excellent not only in gas barrier properties but also in hot melt adhesive properties, in particular. It also relates to a sealing material made by using the above-mentioned composition, in particular a sealing material for double glazing. The present invention can be accomplished by using a sealing material composition which comprises an alkenyl group-terminated isobutylene-based polymer (A), a thermoplastic resin (B) and a compound (C) containing at least two hydrosilyl groups within the molecule thereof.Type: ApplicationFiled: March 18, 2005Publication date: June 12, 2008Inventors: Tohru Nakashima, Taizo Aoyama
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Publication number: 20080033077Abstract: The present invention has its object to provide a resin composition excellent in impact resistance, tensile properties and transparency using a plant-derived biodegradable polymer obtained by positive fixation of carbon dioxide on the earth and, moldings thereof, and, further, provide a resin composition and moldings thereof improved in processability and thermal stability. The present invention relates to a resin composition which comprises (A) an aliphatic polyester type biodegradable polymer and (B) at least one copolymer selected from the group consisting of composite rubber graft copolymers (b1) and core-shell type graft copolymers (b2); or, a resin composition which comprises (A) an aliphatic polyester type biodegradable polymer and (C) at least one compound selected from the group consisting of sorbitol compounds (c1) having a particular chemical structure and urea bond-containing substituted urea compounds (c2).Type: ApplicationFiled: December 14, 2005Publication date: February 7, 2008Applicant: Kaneka CorporationInventors: Yoshihiko Hashimoto, Taizo Aoyama, Nobuo Nakamura, Noriyuki Suzuki
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Patent number: 7241837Abstract: The present invention has for its object to provide a damping material which, despite a high damping capacity at and around room temperature, has a small temperature dependence of rigidity at and around room temperature and a damping material having hot-melt processability and a good balance between damping capacity and temperature dependence of rigidity at and around room temperature. This invention provides a damper material composition wherein the ratio of the storage modulus (G?) value at 0° C. to the corresponding value at 40° C. as found by the measurement of dynamic viscoelasticity in the shear mode, namely (G?0° C./G?40° C.), is not greater than 15 and the loss tangent (tan ?) value as found by said measurement is not smaller than 0.4 at 0° C. to 40° C.Type: GrantFiled: April 5, 2001Date of Patent: July 10, 2007Assignee: Kaneka CorporationInventors: Shigeru Yaguchi, Katsuhiko Kimura, Taizo Aoyama