Patents by Inventor Nozomi Inagaki
Nozomi Inagaki 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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Publication number: 20230399458Abstract: A polyethylene terephthalate resin composition with excellent impact resistance, tensile strength and chemical resistance is provided. A resin composition comprising: a (A) polyethylene terephthalate resin; a (B) polyphenylene ether resin; a (C) styrenic thermoplastic elastomer; and a (D) styrenic copolymer having a glycidyl group, wherein, a mass of the (C) component present in a phase of the (A) component, a mass of the (C) component present in a phase of the (B) component, a mass of the (A) component in the resin composition and a mass of the (B) component in the resin composition satisfy a predetermined relationship, and an average particle diameter of the phase of the (B) component dispersed in the phase of the (A) component is 0.1 to 5 ?m. The resin composition can contain the (A) and (B) components as a molten and kneaded mixture.Type: ApplicationFiled: June 8, 2023Publication date: December 14, 2023Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Nozomi INAGAKI, Shinsuke MOCHIZUKI
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Patent number: 11539095Abstract: An in-vehicle lithium ion battery member produced by molding a resin composition containing (a) a polyphenylene ether resin, the resin composition having a critical strain in a chemical resistance evaluation of 0.5% or more and a Charpy impact strength at 23° C. of 20 kJ/m2 or more.Type: GrantFiled: December 4, 2018Date of Patent: December 27, 2022Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Hiroya Yokoyama, Nozomi Inagaki, Mihoko Yamamoto
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Publication number: 20220372283Abstract: Provided are a polyamide/polyphenylene ether resin composition that has excellent fluidity, heat resistance, and surface impact strength while also having excellent repeated processability and a shaped product that includes this resin composition. The resin composition contains: (a) a polyamide; (b) a polyphenylene ether; (c) a compatibilizer for the (a) polyamide and the (b) polyphenylene ether; and (d) a polyhydric alcohol including at least two hydroxyl groups and having a number-average molecular weight (Mn) of less than 500. The content of the (d) polyhydric alcohol is 0.3 parts by mass to 5 parts by mass relative to 100 parts by mass, in total, of the (a) polyamide and the (b) polyphenylene ether. A ratio of terminal amino group concentration relative to terminal carboxyl group concentration (terminal amino group concentration/terminal carboxyl group concentration) in the (a) polyamide is 0.3 to 0.5. The (a) polyamide forms a continuous phase.Type: ApplicationFiled: May 19, 2022Publication date: November 24, 2022Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Miki TOKUYAMA, Shinsuke MOCHIZUKI, Nozomi INAGAKI
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Publication number: 20220251375Abstract: A resin composition containing (a) a polyphenylene ether resin, (b) a polypropylene resin, (c) a compatibilizer, (d) an inorganic filler, and (e) a hydrotalcite-like compound, and a molded product obtained by molding the resin composition.Type: ApplicationFiled: May 15, 2020Publication date: August 11, 2022Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Miki TOKUYAMA, Nozomi INAGAKI, Mihoko YAMAMOTO
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Patent number: 11352496Abstract: A resin composition of the present disclosure comprises (a) a polyphenylene ether resin; and (b) a graft copolymer wherein 30 to 70% by mass of an ethylene-?-olefin copolymer rubber latex having a gel content ratio of 30 to 90% by mass and a volume average particle diameter of a rubber dispersion of 0.2 to 1.0 ?m is graft-polymerized with 30 to 70% by mass of an aromatic vinyl compound, wherein the (a) component forms a continuous phase.Type: GrantFiled: June 27, 2018Date of Patent: June 7, 2022Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Nozomi Inagaki, Mihoko Yamamoto
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Publication number: 20210024730Abstract: Provided is a relay box housing obtained by molding a resin composition containing (a) a polypropylene resin, (b) a polyphenylene ether resin, and (c) a hydrogenated block copolymer. The resin composition has a deflection temperature under load of 100° C. or higher and a ratio of the storage elastic modulus G?A to G?B, expressed as G?A/G?B, of 0.9 to 1.5. Multipurpose test specimens A and B are obtained from the resin composition with an injection molding method with a first multipurpose test specimen A immersed in water under predetermined conditions and a second multipurpose test specimen B not immersed. Storage elastic modulus measurement is performed on each of the test specimens A and B at 50° C. in a tensile mode to obtain the storage elastic moduli G?A and G?B.Type: ApplicationFiled: July 22, 2019Publication date: January 28, 2021Applicants: ASAHI KASEI KABUSHIKI KAISHA, Asahi Kasei Plastics North America, Inc.Inventors: Nozomi INAGAKI, Nihir BHUVA
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Publication number: 20200313131Abstract: An in-vehicle lithium ion battery member produced by molding a resin composition containing (a) a polyphenylene ether resin, the resin composition having a critical strain in a chemical resistance evaluation of 0.5% or more and a Charpy impact strength at 23° C. of 20 kJ/m2 or more.Type: ApplicationFiled: December 4, 2018Publication date: October 1, 2020Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Hiroya YOKOYAMA, Nozomi INAGAKI, Mihoko YAMAMOTO
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Patent number: 10738189Abstract: Provided are a resin composition and shaped product having excellent low-temperature impact resistance, chemical resistance, and tracking resistance, and having rigidity enabling adoption for mechanism components and structures. The resin composition contains (a) a polyphenylene ether resin, and further contains: (b-1) a hydrogenated block copolymer, and/or modified product thereof, having a peak molecular weight of 80,000 to 200,000 and (b-2) a hydrogenated block copolymer, and/or modified product thereof, having a peak molecular weight of at least 10,000 and less than 80,000; and/or (c) an olefinic polymer formed from an olefin other than propylene. The (a) component forms a continuous phase, polymer block B has a glass transition temperature of ?50° C. or lower, the (c) component has a brittleness temperature of ?50° C. or lower, and the composition does not substantially contain (g) polypropylene resin and has a flexural modulus of 1,600 MPa or more as measured in accordance with ISO 178.Type: GrantFiled: May 24, 2017Date of Patent: August 11, 2020Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Nozomi Inagaki, Kazuyuki Ogata
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Publication number: 20200165447Abstract: A resin composition of the present disclosure comprises (a) a polyphenylene ether resin; and (b) a graft copolymer wherein 30 to 70% by mass of an ethylene-?-olefin copolymer rubber latex having a gel content ratio of 30 to 90% by mass and a volume average particle diameter of a rubber dispersion of 0.2 to 1.0 ?m is graft-polymerized with 30 to 70% by mass of an aromatic vinyl compound, wherein the (a) component forms a continuous phase.Type: ApplicationFiled: June 27, 2018Publication date: May 28, 2020Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Nozomi INAGAKI, Mihoko YAMAMOTO
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Patent number: 10611912Abstract: Provided are a resin composition and a shaped product having excellent smoke generation properties and chemical resistance. The resin composition and the shaped product contain: a polyphenylene ether resin (I); a polypropylene resin (II); a hydrogenated block copolymer (III) that is a hydrogenated product of a block copolymer including a polymer block A and a polymer block B in which the total amount of vinyl bonding is 30-90%; and a phosphate ester compound (IV). Relative to 100 parts by mass, in total, of components (I) and (II), component (I) is 40-99 parts by mass, component (II) is 1-60 parts by mass, component (III) is 1-20 parts by mass, and component (IV) is 5-45 parts by mass. A partition ratio of component (IV) present in a fraction that dissolves in chloroform and component (IV) present in a fraction that dissolves in o-dichlorobenzene is 10 or more.Type: GrantFiled: July 17, 2019Date of Patent: April 7, 2020Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Nozomi Inagaki, Mihoko Yamamoto
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Publication number: 20190338120Abstract: Provided are a resin composition and a shaped product having excellent smoke generation properties and chemical resistance. The resin composition and the shaped product contain: a polyphenylene ether resin (I); a polypropylene resin (II); a hydrogenated block copolymer (III) that is a hydrogenated product of a block copolymer including a polymer block A and a polymer block B in which the total amount of vinyl bonding is 30-90%; and a phosphate ester compound (IV). Relative to 100 parts by mass, in total, of components (I) and (II), component (I) is 40-99 parts by mass, component (II) is 1-60 parts by mass, component (III) is 1-20 parts by mass, and component (IV) is 5-45 parts by mass. A partition ratio of component (IV) present in a fraction that dissolves in chloroform and component (IV) present in a fraction that dissolves in o-dichlorobenzene is 10 or more.Type: ApplicationFiled: July 17, 2019Publication date: November 7, 2019Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Nozomi INAGAKI, Mihoko YAMAMOTO
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Publication number: 20190218382Abstract: A method of manufacturing a resin composition is provided. The resin composition includes: 100 parts by mass in total of (A) polypropylene-based resin and (B) polyphenylene ether resin; 1 part to 20 parts by mass of (C) an admixture; and 0.01 parts to 0.5 parts by mass of (D) one or more compounds selected from the group consisting of a higher fatty acid, a higher fatty acid metal salt, and a higher fatty acid ester. A proportion XD(B+C) of the component (D) present in a whole fraction of 100 mass % dissolved in the chloroform is 0.13 mass % to 0.80 mass %. The method includes a step of melt-kneading the whole component (B), the whole component (C), and 15 mass % to 100 mass % of the component (D) to obtain kneaded material, and a step of adding the whole component (A) and the rest of the component (D).Type: ApplicationFiled: March 26, 2019Publication date: July 18, 2019Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Mihoko YAMAMOTO, Nozomi INAGAKI
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Publication number: 20190185665Abstract: Provided are a resin composition and shaped product having excellent low-temperature impact resistance, chemical resistance, and tracking resistance, and having rigidity enabling adoption for mechanism components and structures. The resin composition contains (a) a polyphenylene ether resin, and further contains: (b-1) a hydrogenated block copolymer, and/or modified product thereof, having a peak molecular weight of 80,000 to 200,000 and (b-2) a hydrogenated block copolymer, and/or modified product thereof, having a peak molecular weight of at least 10,000 and less than 80,000; and/or (c) an olefinic polymer formed from an olefin other than propylene. The (a) component forms a continuous phase, polymer block B has a glass transition temperature of ?50° C. or lower, the (c) component has a brittleness temperature of ?50° C. or lower, and the composition does not substantially contain (g) polypropylene resin and has a flexural modulus of 1,600 MPa or more as measured in accordance with ISO 178.Type: ApplicationFiled: May 24, 2017Publication date: June 20, 2019Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Nozomi INAGAKI, Kazuyuki OGATA
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Patent number: 10224127Abstract: The resin composition according to the present invention contains a polyacetal resin having a specific molecular weight distribution, a specific carbon black, and an alkaline metal wherein the contents of the carbon black and the alkaline metal are in specific ranges. The molded article according to the present invention contains the resin composition.Type: GrantFiled: November 25, 2013Date of Patent: March 5, 2019Assignee: ASAHI KASEI CHEMICALS CORPORATIONInventors: Nozomi Inagaki, Takaaki Miyoshi, Junichi Tsuzuki
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Publication number: 20180223099Abstract: Provided is a pellet that contains a polyphenylene ether resin in a high concentration, is highly suitable for use as a modifier for imparting creep resistance, and has excellent post-molding external appearance. The pellet contains 80 mass % to 99 mass % of a polyphenylene ether resin (I) and 1 mass % to 20 mass % of a hydrogenated block copolymer (II) that is an at least partially hydrogenated product of a block copolymer including a polymer block P of mainly a vinyl aromatic compound and a polymer block Q of mainly a conjugated diene compound in which the total of 1,2-vinyl bond content and 3,4-vinyl bond content is 50% to 95%. No black spot contaminants having a major diameter of greater than 0.7 mm are present on front and rear surfaces of four plates of 90.0 mm×50.0 mm×2.0 mm in size obtained through molding of the pellet.Type: ApplicationFiled: February 6, 2017Publication date: August 9, 2018Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Nozomi INAGAKI, Mihoko YAMAMOTO
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Publication number: 20180127580Abstract: Provided are a resin composition and a shaped product having excellent smoke generation properties and chemical resistance. The resin composition and the shaped product contain: a polyphenylene ether resin (I); a polypropylene resin (II); a hydrogenated block copolymer (III) that is a hydrogenated product of a block copolymer including a polymer block A and a polymer block B in which the total amount of vinyl bonding is 30-90%; and a phosphate ester compound (IV). Relative to 100 parts by mass, in total, of components (I) and (II), component (I) is 40-99 parts by mass, component (II) is 1-60 parts by mass, component (III) is 1-20 parts by mass, and component (IV) is 5-45 parts by mass. A partition ratio of component (IV) present in a fraction that dissolves in chloroform and component (IV) present in a fraction that dissolves in o-dichlorobenzene is 10 or more.Type: ApplicationFiled: June 20, 2016Publication date: May 10, 2018Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Nozomi INAGAKI, Mihoko YAMAMOTO
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Publication number: 20180105691Abstract: This disclosure is to provide a pellet excellent in modification effect of heat-resistant creeping property improvement of thermoplastic resins such as polyethylene and the like, and excellent in appearance as well. The pellet of this disclosure contains: 60 to 99 mass % of a polyphenylene ether resin (I); and 1 to 40 mass % of a block copolymer (II), which contains a polymer block P mainly formed of a vinyl aromatic compound, and a polymer block Q mainly formed of a conjugated diene compound of which a total amount of 1,2-vinyl bonding amount and 3,4-vinyl bonding amount is 5% or more and less than 50%, wherein: black spot foreign matters with a longitudinal diameter of more than 0.7 mm do not exist on front and back surfaces of a flat plate obtained by molding the pellet into four flat plates with a size of 90.0 mm×50.0 mm×2.0 mm.Type: ApplicationFiled: March 10, 2017Publication date: April 19, 2018Applicant: ASAHI KASEI KABUSHIKI KAISHAInventor: Nozomi INAGAKI
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Publication number: 20180057671Abstract: A resin composition that has an excellent balance between thermal creep resistance and toughness and from which a molded product with favorable appearance can be obtained is provided. The resin composition includes: 100 parts by mass in total of (A) polypropylene-based resin and (B) polyphenylene ether resin; 1 parts to 20 parts by mass of (C) an admixture; and 0.01 parts to 0.5 parts by mass of (D) one or more compounds selected from the group consisting of a higher fatty acid, a higher fatty acid metal salt, and a higher fatty acid ester, wherein when the resin composition is dissolved in chloroform, a proportion XD(B+C) of the component (D) present in a whole fraction of 100 mass % dissolved in the chloroform is 0.13 mass % to 0.80 mass %.Type: ApplicationFiled: January 18, 2017Publication date: March 1, 2018Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Mihoko YAMAMOTO, Nozomi INAGAKI
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Publication number: 20150294750Abstract: The resin composition according to the present invention contains a polyacetal resin having a specific molecular weight distribution, a specific carbon black, and an alkaline metal wherein the contents of the carbon black and the alkaline metal are in specific ranges. The molded article according to the present invention contains the resin composition.Type: ApplicationFiled: November 25, 2013Publication date: October 15, 2015Applicant: ASAHI KASEI CHEMICALS CORPORATIONInventors: Nozomi Inagaki, Takaaki Miyoshi, Junichi Tsuzuki
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Publication number: 20150034882Abstract: A polyacetal resin composition of the present invention contains 100 parts by mass of a polyacetal resin (A) and 5 to 30 parts by mass of an electroconductive carbon black (B); and has a volume resistivity of 102 ?·cm or less measured based on JIS K 7194, and a melt flow rate (MFR) of 8 g/10 min or more and 30 g/10 min or less as measured at a temperature of 190° C. and a load of 2.16 kg based on JIS K 7210.Type: ApplicationFiled: January 17, 2013Publication date: February 5, 2015Inventors: Nozomi Inagaki, Takaaki Miyoshi