Patents by Inventor Mitsutaka SAKO
Mitsutaka SAKO 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: 10829626Abstract: Disclosed is a method for adjusting a dispersion diameter to control the dispersion diameter of a dispersed phase in a thermoplastic resin composition having a multiphase structure, and a thermoplastic resin composition obtained by the method. The method includes mixing a polyolefin resin, a polyamide resin, and a compatibilizer and has a continuous phase composed of the polyolefin resin and a dispersed phase dispersed in the continuous phase and composed of the polyamide resin where the compatibilizer is a polymer having a reactive group that reacts with the polyamide resin, and that an amount of the polymer to be mixed based on a total of the polyolefin resin and the polyamide resin is varied to adjust a dispersion diameter of the dispersed phase. This composition has 50 or more but 450 or less the dispersed phase per 10 micrometers square.Type: GrantFiled: March 15, 2017Date of Patent: November 10, 2020Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki Kito, Goro Takahashi, Toshihiro Suzuki, Mitsutaka Sako
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Publication number: 20200283589Abstract: Disclosed herein are a fiber-reinforced material and an article made of the same. The fiber-reinforced material includes a fiber assembly and a matrix material coating the fiber assembly, the matrix material is a thermoplastic resin composition obtained by blending a polyolefin resin, a polyamide resin, and a modified elastomer that reacts with the polyamide resin. When a puncture test is performed at a striker speed of 1-4 msec and when a maximum impact force is applied is defined as PM and a deflection at break is defined as PB, PB/PM?4. When the amount of energy absorbed before a maximum impact force is applied is E1, the amount of energy absorbed after a maximum impact force is applied and before break is E2, and a total amount of absorbed energy of E1 and E2 is ET, the ratio of E2:ET is 70% or more.Type: ApplicationFiled: January 31, 2018Publication date: September 10, 2020Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Kosuke GEHO, Masayuki KITO, Mitsutaka SAKO, Goro TAKAHASHI
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Patent number: 10717827Abstract: A thermoplastic resin composition, a method for manufacturing the same, and a molded body are provided. The composition includes a polyolefin resin PO, a polyimide resin PA, and a compatibilizer. The composition has a first phase composed of the PA and compatibilizer and/or a reaction product thereof and a second phase composed of the PO and interposed between the first phases. The first phase has a matrix phase composed of the PA and a dispersed phase dispersed in the matrix phase and composed of the compatibilizer and/or a reaction product thereof. The first phase includes a branched phase having branch portions. The method includes melt-kneading the PA and compatibilizer so that a mixing ratio of the compatibilizer is 11% by mass or more but 45% by mass or less per 100% by mass of a total of the PO, PA, and compatibilizer, and melt-kneading an obtained composition and the PO.Type: GrantFiled: March 15, 2017Date of Patent: July 21, 2020Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki Kito, Goro Takahashi, Toshihiro Suzuki, Mitsutaka Sako
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Publication number: 20200157291Abstract: A molded article including a repeatedly-movable part that and a method for producing a molded article are disclosed. The molded article includes a repeatedly-movable part capable of being repeatedly bent or curved, and the repeatedly-movable part is made of a thermoplastic resin composition containing a polyolefin resin, a polyamide resin, and a modified elastomer having a reactive group that reacts with the polyamide resin. The method is a method for producing a molded article including a repeatedly-movable part capable of being repeatedly bent or curved, the method including using, as a molding material for the repeatedly-movable part, a thermoplastic resin composition containing a polyolefin resin, a polyamide resin, and a modified elastomer having a reactive group that reacts with the polyamide resin.Type: ApplicationFiled: April 10, 2018Publication date: May 21, 2020Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki KITO, Kosuke GEHO, Mitsutaka SAKO, Goro TAKAHASHI
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Publication number: 20200157325Abstract: A thermoplastic resin composition, a molded body, and first and second production methods are disclosed. The thermoplastic resin composition contains a polyolefin resin, a polyamide resin, and a modified elastomer and shows non-Newtonian properties in a fluidized state. The molded body includes the thermoplastic resin composition. The first production method includes molding the thermoplastic resin composition at a shear rate of 80 sec?1 or more and a standby step in which resin composition is on standby at a shear rate of 0 sec?1 or more but less than 80 sec?1. The second production method includes molding the resin composition at a shear rate X1 to obtain part of a molded body and molding the resin composition at a shear rate X2 to obtain another part of the molded body, wherein an absolute value of a difference between X1 and X2 is 200 sec?1 or more.Type: ApplicationFiled: April 10, 2018Publication date: May 21, 2020Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki KITO, Kosuke GEHO, Mitsutaka SAKO, Goro TAKAHASHI
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Publication number: 20200079189Abstract: Disclosed herein are a vehicle door trim board that is less likely to break due to partial use of an impact resistant resin and a door trim using such a vehicle door trim board. A vehicle door trim board includes a reinforcing part made of an impact resistant resin containing a polyolefin resin, a polyamide resin, and a compatibilizer, wherein the compatibilizer is a modified elastomer having a reactive group that reacts with the polyamide resin. The door trim includes: the vehicle door trim board; and a surface skin layer provided on a design surface side of the vehicle door trim board.Type: ApplicationFiled: May 24, 2018Publication date: March 12, 2020Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki KITO, Kosuke GEHO, Goro TAKAHASHI, Mitsutaka SAKO
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Publication number: 20200032018Abstract: Disclosed herein are a thermoplastic resin sheet having excellent mechanical strength and excellent conformability during molding, a laminated sheet using such a thermoplastic resin sheet, and a molded body. The thermoplastic resin sheet includes a thermoplastic resin containing a polyolefin resin, a polyamide resin, and a compatibilizer, wherein the compatibilizer is a modified elastomer having a reactive group that reacts with the polyamide resin. The laminated sheet includes a base layer containing a polyolefin resin and the thermoplastic resin sheet bonded to one surface of the base layer. The molded body includes a base body containing a polyolefin resin and the thermoplastic resin sheet or the laminated sheet bonded to one surface of the base body.Type: ApplicationFiled: March 9, 2018Publication date: January 30, 2020Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki KITO, Kosuke GEHO, Mitsutaka SAKO, Goro TAKAHASHI
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Publication number: 20190382922Abstract: Disclosed herein is a thermoplastic resin fiber that uses highly versatile resin raw materials but exhibits high extensibility that is conventionally unknown. With a view to providing a method for producing the fiber and a fabric using the fiber, the thermoplastic resin fiber includes a thermoplastic resin containing a polyolefin resin, a polyamide resin, and a compatibilizer, and has a fracture elongation of 50% or more, wherein the compatibilizer is a modified elastomer having a reactive group that reacts with the polyamide resin. The fabric uses the thermoplastic resin fiber. The method includes a spinning step in which a thermoplastic resin composition obtained by melt-kneading a melt-kneaded product of the polyamide resin and the modified elastomer and the polyolefin is spun into a fiber.Type: ApplicationFiled: January 29, 2018Publication date: December 19, 2019Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki KITO, Goro TAKAHASHI, Mitsutaka SAKO, Yuko MAKINO
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Publication number: 20190100645Abstract: Disclosed is a method for adjusting a dispersion diameter to control the dispersion diameter of a dispersed phase in a thermoplastic resin composition having a multiphase structure, and a thermoplastic resin composition obtained by the method. The method includes mixing a polyolefin resin, a polyamide resin, and a compatibilizer and has a continuous phase composed of the polyolefin resin and a dispersed phase dispersed in the continuous phase and composed of the polyamide resin where the compatibilizer is a polymer having a reactive group that reacts with the polyamide resin, and that an amount of the polymer to be mixed based on a total of the polyolefin resin and the polyamide resin is varied to adjust a dispersion diameter of the dispersed phase. This composition has 50 or more but 450 or less the dispersed phase per 10 micrometers square.Type: ApplicationFiled: March 15, 2017Publication date: April 4, 2019Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki KITO, Goro TAKAHASHI, Toshihiro SUZUKI, Mitsutaka SAKO
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Publication number: 20190092908Abstract: A thermoplastic resin composition, a method for manufacturing the same, and a molded body are provided. The composition includes a polyolefin resin PO, a polyimide resin PA, and a compatibilizer. The composition has a first phase composed of the PA and compatibilizer and/or a reaction product thereof and a second phase composed of the PO and interposed between the first phases. The first phase has a matrix phase composed of the PA and a dispersed phase dispersed in the matrix phase and composed of the compatibilizer and/or a reaction product thereof. The first phase includes a branched phase having branch portions. The method includes melt-kneading the PA and compatibilizer so that a mixing ratio of the compatibilizer is 11% by mass or more but 45% by mass or less per 100% by mass of a total of the PO, PA, and compatibilizer, and melt-kneading an obtained composition and the PO.Type: ApplicationFiled: March 15, 2017Publication date: March 28, 2019Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki KITO, Goro TAKAHASHI, Toshihiro SUZUKI, Mitsutaka SAKO
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Publication number: 20180334560Abstract: Disclosed herein are a molded body having a continuous phase (A) containing a first polyolefin resin and a second polyolefin resin and a dispersed phase (B) containing a polyamide resin and a modified elastomer, wherein the dispersed phase (B) is composed of a melt-kneaded product of the polyamide resin and the modified elastomer, and wherein when a total of the continuous phase (A) and the dispersed phase (B) is 100% by mass, a content of the dispersed phase (B) is 70% by mass or less, and when a total of the first polyolefin resin and the second polyolefin resin is 100% by mass, a content of the second polyolefin resin is 70% by mass or less, and a method including the steps of: obtaining a molded body raw material by mixing a first polyolefin resin and an impact-resistant resin obtained by melt-kneading a second polyolefin resin and a melt-kneaded product of a polyamide resin and a modified elastomer; and obtaining a molded body.Type: ApplicationFiled: November 29, 2016Publication date: November 22, 2018Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki KITO, Goro TAKAHASHI, Toshihiro SUZUKI, Mitsutaka SAKO
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Publication number: 20180327551Abstract: Disclosed herein are a modifier having a continuous phase (A) containing a second polyolefin resin and a dispersed phase (B) containing a polyamide resin and a modified elastomer, wherein the dispersed phase (B) is composed of a melt-kneaded product of the polyamide resin and the modified elastomer having a reactive group, and wherein when a total of the continuous phase (A) and the dispersed phase (B) is 100% by mass, a content of the dispersed phase (B) is 80% by mass or less, a method for using the modifier, including mixing 0.5 parts by mass or more but 70 parts by mass or less of the modifier per 100 parts by mass of a first polyolefin resin, and a method for producing the modifier, including the step of melt-kneading the second polyolefin resin and a melt-kneaded product of the polyamide resin and the modified elastomer.Type: ApplicationFiled: November 29, 2016Publication date: November 15, 2018Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Masayuki KITO, Goro TAKAHASHI, Toshihiro SUZUKI, Mitsutaka SAKO