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    METHOD FOR PRODUCING POLYMERIZATION-REACTIVE LIQUID FORMULATION
    1.
    发明公开
    METHOD FOR PRODUCING POLYMERIZATION-REACTIVE LIQUID FORMULATION 审中-公开

    公开(公告)号：US20230192942A1

    公开(公告)日：2023-06-22

    申请号：US17918367

    申请日：2021-04-23

    申请人： RIMTEC Corporation

    发明人： Naoki Fukumoto ,  Nobuhito Kamei

    IPC分类号： C08G61/08 ,  B01F27/94 ,  B01F35/90

    CPC分类号： C08G61/08 ,  B01F27/941 ,  B01F35/90 ,  C08G2261/11 ,  C08G2261/3321 ,  B01F2101/2204

    摘要： 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.

    LIQUID BLEND FOR REACTION INJECTION MOLDING, METHOD FOR PRODUCING REACTION INJECTION MOLDED BODY, AND REACTION INJECTION MOLDED BODY
    3.
    发明申请
    LIQUID BLEND FOR REACTION INJECTION MOLDING, METHOD FOR PRODUCING REACTION INJECTION MOLDED BODY, AND REACTION INJECTION MOLDED BODY 审中-公开

    公开(公告)号：US20190256648A1

    公开(公告)日：2019-08-22

    申请号：US16405159

    申请日：2019-05-07

    申请人： RIMTEC CORPORATION

    发明人： Michiru Kamada

    IPC分类号： C08G61/08 ,  C08K5/06 ,  B29C45/18 ,  B29C45/76

    摘要： 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. Consequently, the present invention provides: a reaction injection molding liquid mixture that makes it possible to obtain a reaction injection molded product that has an excellent surface (surface state) and exhibits excellent strength while preventing a situation in which the resin remains on the surface of the mold when the resin is removed from the mold, a method for producing a reaction injection molded product using the same, and a reaction injection molded product obtained using the method.

    Method for producing composite molded article
    4.
    发明授权
    Method for producing composite molded article 有权

    公开(公告)号：US10351682B2

    公开(公告)日：2019-07-16

    申请号：US15106731

    申请日：2014-12-17

    申请人： RIMTEC Corporation

    发明人： Masaki Takeuchi

    IPC分类号： C08J5/04 ,  C08G61/08 ,  C08F283/14 ,  C08L65/00 ,  C08J5/24

    摘要： The present invention relates to a method for producing a composite molded article having a flexural modulus at 150° C. of 25% or more of a flexural modulus at 23° C., including the steps of (1) placing glass fibers in a mold; (2) impregnating glass fibers with a polymerizable composition containing a cycloolefin monomer, a metathesis polymerization catalyst, a radical generator, and a compound represented by the general formula (I); (3) subjecting the above polymerizable composition with which the glass fibers are impregnated to a bulk polymerization to provide a composite molded article; and (4) demolding the composite molded article; and a composite molded article obtained by the above method. According to the method of the present invention, a composite molded article containing glass fibers, the composite molded article having excellent mechanical strength can be produced.

    RESIN MOLDED BODY AND METHOD FOR PRODUCING SAME
    5.
    发明申请
    RESIN MOLDED BODY AND METHOD FOR PRODUCING SAME 审中-公开

    公开(公告)号：US20180022882A1

    公开(公告)日：2018-01-25

    申请号：US15552338

    申请日：2016-03-14

    申请人： RIMTEC CORPORATION

    发明人： Nobuto Kamei

    IPC分类号： C08J7/04 ,  C08J5/00

    CPC分类号： C08J7/04 ,  B29K2023/38 ,  B32B27/00 ,  B32B27/34 ,  C08J5/00 ,  C08J7/047 ,  C08J2365/00 ,  C08J2479/08

    摘要： A resin molded article wherein a surface of a norbornene-based crosslinked polymer comprising 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 is coated with a polyamide-imide layer, and a method for producing the same. Since the resin molded article of the present invention has highly excellent heat resistance and durability, the resin molded article can be suitably used in applications that require heat resistance such as engine cover applications for automobiles and the like, and electric insulation applications.

    COMPOSITE MATERIAL AND MOLDED COMPOSITE MATERIAL
    7.
    发明申请
    COMPOSITE MATERIAL AND MOLDED COMPOSITE MATERIAL 有权

    公开(公告)号：US20210221934A1

    公开(公告)日：2021-07-22

    申请号：US15734328

    申请日：2019-06-05

    申请人： RIMTEC Corporation

    发明人： Masaki Takeuchi

    IPC分类号： C08F279/00 ,  C08J5/24

    摘要： 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.

    METHOD FOR MANUFACTURING COMPOSITE MATERIAL MOLDING
    8.
    发明申请
    METHOD FOR MANUFACTURING COMPOSITE MATERIAL MOLDING 审中-公开

    公开(公告)号：US20190210305A1

    公开(公告)日：2019-07-11

    申请号：US16099275

    申请日：2017-05-17

    申请人： RIMTEC Corporation

    发明人： Masaki Takeuchi

    IPC分类号： B29C70/48 ,  B29C70/54

    CPC分类号： B29C70/48 ,  B29C43/12 ,  B29C43/32 ,  B29C70/54 ,  B29K2023/38 ,  B29K2105/0002 ,  B29K2307/04 ,  B29K2309/08

    摘要： 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.

    POLYMERIZABLE COMPOSITION AND COMPOSITE MATERIAL
    9.
    发明申请
    POLYMERIZABLE COMPOSITION AND COMPOSITE MATERIAL 审中-公开

    公开(公告)号：US20190031846A1

    公开(公告)日：2019-01-31

    申请号：US16069288

    申请日：2017-01-16

    申请人： RIMTEC Corporation

    发明人： Masaki Takeuchi

    IPC分类号： C08J5/24 ,  C08G18/22 ,  C08G18/62 ,  C08G18/76 ,  B29C70/48

    摘要： 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.