Patents Assigned to RIMTEC Corporation
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Patent number: 11926637Abstract: The present invention provides a metal-oxo complex represented by the following general formula (1), wherein in the general formula (1) above, “M” represents a molybdenum atom or a tungsten atom; “A” represents a carbon atom, a silicon atom, a germanium atom, a tin atom or a lead atom; X1 and X2 each independently represent a halogen atom; R1 to R5 each independently represent a hydrogen atom, a straight or branched chain alkyl group that is substituted or unsubstituted and has 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 20 carbon atoms; each of R1 to R3 may be bonded to one another to form a ring.Type: GrantFiled: October 21, 2019Date of Patent: March 12, 2024Assignee: RIMTEC CORPORATIONInventors: Toshiyuki Oshiki, Michiru Kamada
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Patent number: 11879029Abstract: Provided is a polymerizable composition comprising a cycloolefin-based monomer having a specific structure, a silane coupling agent having at least one hydrocarbon group having a norbornene structure, and a metathesis polymerization catalyst.Type: GrantFiled: July 31, 2020Date of Patent: January 23, 2024Assignee: RIMTEC CORPORATIONInventor: Nobuhito Kamei
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Publication number: 20240002585Abstract: Provided is a cycloolefin resin cured product formed through bulk polymerization of a polymerizable composition comprising a cycloolefin monomer and a metathesis polymerization catalyst, wherein the cycloolefin monomer includes a norbornene-based monomer (a1) and a monocyclic cycloolefin (a2), and the cycloolefin resin cured product has an elongation at break at 23° C. of 30% or more.Type: ApplicationFiled: July 27, 2021Publication date: January 4, 2024Applicant: RIMTEC CORPORATIONInventors: Nobuhito Kamei, Shingo Shochiku
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Publication number: 20230322978Abstract: Provided is a cycloolefin resin cured product having oxygen barrier properties prepared through bulk polymerization of a polymerizable composition comprising a cycloolefin monomer and a metathesis polymerization catalyst, wherein the cycloolefin monomer includes a norbornene-based monomer (a), the polymerizable composition comprises an antioxidant in an amount of 0.3% by mass or less, and the cycloolefin resin cured product has an oxygen permeability at 23° C. of less than 50 mL/m2·day·atm (100 ?m).Type: ApplicationFiled: August 25, 2021Publication date: October 12, 2023Applicant: RIMTEC CorporationInventors: Naoki Fukumoto, Nobuhito Kamei
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Patent number: 11710590Abstract: A superconducting coil device (10) includes: a coil case (20) housing a superconducting coil (30); a superconducting coil (30) housed in the coil case (20); and a resin part (50) formed of a polymer (51) filled in a gap between an inner wall of the coil case (20) and the superconducting coil (30). The resin part (50) is formed of a polymer (51) obtained by polymerizing a polymerizable composition containing a first monomer having a norbornene ring structure.Type: GrantFiled: May 10, 2018Date of Patent: July 25, 2023Assignees: RAILWAY TECHNICAL RESEARCH INSTITUTE, RIMTEC CORPORATIONInventors: Katsutoshi Mizuno, Minoru Tanaka, Masaki Takeuchi
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Publication number: 20230192942Abstract: A mixing head 3 which mixes a first preparative liquid formulation containing a norbornene-based monomer with a second preparative liquid formulation containing a metathesis polymerization catalyst includes a casing 4, a cap 7, and a mixing rotor 6. A plurality of protrusions 622 includes first protrusions 622a having a width in the axial direction of the mixing rotor 6 larger than that in the circumferential direction, and second protrusions 622b having a width in the axial direction of the mixing rotor 6 smaller than that in the circumferential direction. First and second protrusion rows 623a and 623b are alternately arranged, the first protrusion rows 623a being formed of the first protrusions 622a aligned at a predetermined interval, the second protrusion rows 623b being formed of the second protrusions 622b aligned at a predetermined interval.Type: ApplicationFiled: April 23, 2021Publication date: June 22, 2023Applicant: RIMTEC CorporationInventors: Naoki Fukumoto, Nobuhito Kamei
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Patent number: 11597797Abstract: The present invention provides: a reaction injection molding liquid mixture comprising a norbornene-based monomer, a metathesis polymerization catalyst that includes tungsten as a center metal, an activator, and an ether compound represented by a formula (1), wherein R1 to R4 are independently an alkyl group having 1 to 6 carbon atoms, the reaction injection molding liquid mixture comprising the activator and the ether compound in a molar ratio (ether compound/activator) of 0.7/1 to 30/1; a method for producing a reaction injection molded product comprising a reaction injection molding step that includes subjecting the reaction injection molding liquid mixture according to any one of claims 1 to 4 to bulk polymerization inside a mold; a reaction injection molded product obtained using the method for producing a reaction injection molded product.Type: GrantFiled: May 7, 2019Date of Patent: March 7, 2023Assignee: RIMTEC CORPORATIONInventor: Michiru Kamada
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Publication number: 20220259355Abstract: Provided is a polymerizable composition comprising a cycloolefin-based monomer having a specific structure, a silane coupling agent having at least one hydrocarbon group having a norbornene structure, and a metathesis polymerization catalyst.Type: ApplicationFiled: July 31, 2020Publication date: August 18, 2022Applicant: RIMTEC CorporationInventor: Nobuhito Kamei
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Publication number: 20220212381Abstract: Provided is a method for producing a decorated cycloolefin resin molded article, the method comprising curing a gel coat composition and polymerizing a cycloolefin polymerizable composition containing a radical generator while the gel coat composition is in contact with the cycloolefin polymerizable composition, thereby containing a decorated cycloolefin resin molded article including a gel coat and a cycloolefin resin layer adhering to each other.Type: ApplicationFiled: April 20, 2020Publication date: July 7, 2022Applicant: RIMTEC CorporationInventor: Masaki Takeuchi
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Publication number: 20210355147Abstract: The present invention provides a metal-oxo complex represented by the following general formula (1), wherein in the general formula (1) above, “M” represents a molybdenum atom or a tungsten atom; “A” represents a carbon atom, a silicon atom, a germanium atom, a tin atom or a lead atom; X1 and X2 each independently represent a halogen atom; R1 to R5 each independently represent a hydrogen atom, a straight or branched chain alkyl group that is substituted or unsubstituted and has 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 20 carbon atoms; each of R1 to R3 may be bonded to one another to form a ring.Type: ApplicationFiled: October 21, 2019Publication date: November 18, 2021Applicant: RIMTEC CorporationInventors: Toshiyuki Oshiki, Michiru Kamada
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Publication number: 20210292497Abstract: The present invention relates to polymerizable composition containing a cycloolefin monomer, a metathesis polymerization catalyst, a radical generator, a diisocyanate compound, and a polyfunctional (meth)acrylate compound. The composite material produced by using a polymerizable composition of the present invention has excellent mechanical strength and does not cause odor.Type: ApplicationFiled: June 4, 2021Publication date: September 23, 2021Applicant: RIMTEC CorporationInventor: Masaki Takeuchi
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Publication number: 20210221934Abstract: A composite material obtained by impregnating a fibrous filler to which a hydrocarbon-based resin is attached with a polymerizable composition containing a cycloolefin monomer and a metathesis polymerization catalyst is provided. According to the present invention, it is possible to provide a composite material which has no impregnation unevenness and can give a composite material molded article having excellent strength.Type: ApplicationFiled: June 5, 2019Publication date: July 22, 2021Applicant: RIMTEC CorporationInventor: Masaki Takeuchi
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Patent number: 11066497Abstract: A method for manufacturing a liquid formulation for reaction injection molding for polymerizing a norbornene-based monomer in the presence of a metathesis polymerization catalyst comprising tungsten as a center metal, the liquid formulation comprising a norbornene-based monomer, provided that in case where the norbornene-based monomer includes exo-dicyclopentadiene, a content of exo-dicyclopentadiene is from 0 to 2% by mass of the norbornene-based monomer, an activator of the catalyst, and a specific ether compound.Type: GrantFiled: December 27, 2019Date of Patent: July 20, 2021Assignee: RIMTEC CORPORATIONInventor: Michiru Kamada
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Patent number: 11053366Abstract: The present invention relates to polymerizable composition containing a cycloolefin monomer, a metathesis polymerization catalyst, a radical generator, a diisocyanate compound, and a polyfunctional (meth)acrylate compound. The composite material produced by using a polymerizable composition of the present invention has excellent mechanical strength and does not cause odor.Type: GrantFiled: January 16, 2017Date of Patent: July 6, 2021Assignee: RIMTEC CORPORATIONInventor: Masaki Takeuchi
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Patent number: 10946568Abstract: The invention relates to a field joint coating material based on a fast curable olefin liquid formulation and a process of making a field joint wherein this coating material is used.Type: GrantFiled: December 16, 2016Date of Patent: March 16, 2021Assignee: RIMTEC CORPORATIONInventors: Gilles Recher, Sylvain Allain, Frederic Demoutiez
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Publication number: 20200140582Abstract: A method for manufacturing a liquid formulation for reaction injection molding for polymerizing a norbornene-based monomer in the presence of a metathesis polymerization catalyst comprising tungsten as a center metal, the liquid formulation comprising a norbornene-based monomer, provided that in case where the norbornene-based monomer includes exo-dicyclopentadiene, a content of exo-dicyclopentadiene is from 0 to 2% by mass of the norbornene-based monomer, an activator of the catalyst, and a specific ether compound.Type: ApplicationFiled: December 27, 2019Publication date: May 7, 2020Applicant: RIMTEC CORPORATIONInventor: Michiru Kamada
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Patent number: 10611866Abstract: The present invention relates to a norbornene-based crosslinked polymer containing at least one member selected from the group consisting of dicyclopentadiene-based monomer units, tetracyclododecene-based monomer units, and tricyclopentadiene-based monomer units in an amount of 50% by mass or more, wherein the norbornene-based crosslinked polymer has a glass transition temperature of 240° C. or higher. Further, the present invention relates to a method for producing a norbomene-based crosslinked polymer as defined above, including step (1): heating a blend containing at least one member of the above monomer components, and a metathesis polymerization catalyst to a temperature lower than a deactivation temperature of the metathesis polymerization catalyst to carry out a primary curing; and step (2): heating a cured product obtained in the step (1) to a temperature equal to or higher than the deactivation temperature of the above metathesis polymerization catalyst to carry out a secondary curing.Type: GrantFiled: February 4, 2019Date of Patent: April 7, 2020Assignee: RIMTEC CORPORATIONInventor: Nobuto Kamei
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Publication number: 20200058425Abstract: A superconducting coil device (10) includes: a coil case (20) housing a superconducting coil (30); a superconducting coil (30) housed in the coil case (20); and a resin part (50) formed of a polymer (51) filled in a gap between an inner wall of the coil case (20) and the superconducting coil (30). The resin part (50) is formed of a polymer (51) obtained by polymerizing a polymerizable composition containing a first monomer having a norbornene ring structure.Type: ApplicationFiled: May 10, 2018Publication date: February 20, 2020Applicants: RAILWAY TECHNICAL RESEARCH INSTITUTE, RIMTEC CORPORATIONInventors: Katsutoshi Mizuno, Minoru Tanaka, Masaki Takeuchi
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Publication number: 20190256648Abstract: The present invention provides: a reaction injection molding liquid mixture comprising a norbornene-based monomer, a metathesis polymerization catalyst that includes tungsten as a center metal, an activator, and an ether compound represented by a formula (1), wherein R1 to R4 are independently an alkyl group having 1 to 6 carbon atoms, the reaction injection molding liquid mixture comprising the activator and the ether compound in a molar ratio (ether compound/activator) of 0.7/1 to 30/1; a method for producing a reaction injection molded product comprising a reaction injection molding step that includes subjecting the reaction injection molding liquid mixture according to any one of claims 1 to 4 to bulk polymerization inside a mold; a reaction injection molded product obtained using the method for producing a reaction injection molded product.Type: ApplicationFiled: May 7, 2019Publication date: August 22, 2019Applicant: RIMTEC CORPORATIONInventor: Michiru Kamada
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Publication number: 20190210305Abstract: A method for producing a composite material molded article, including laminating a fibrous filler on a mold; pressure-reducing inside an airproof space, the airproof space being formed with the mold laminated with the fibrous filler and an airproof film covering thereon; and impregnating a resin material in the fibrous filler, the formation of the airproof space including bonding the mold and the airproof film with a seal material containing a (meth)acrylic polymer as an adhesive. The composite resin molded article obtained by the method of the present invention can be suitably used in fields in which composite materials of fibrous fillers such as glass fibers and carbon fibers are generally used, for example, housings, structural members, and the like for moving objects or movable objects.Type: ApplicationFiled: May 17, 2017Publication date: July 11, 2019Applicant: RIMTEC CorporationInventor: Masaki Takeuchi