METHOD FOR PRODUCING COMPOSITE MOLDED ARTICLE
    5.
    发明申请
    METHOD FOR PRODUCING COMPOSITE MOLDED ARTICLE 审中-公开
    生产复合材料制品的方法

    公开(公告)号:US20170037202A1

    公开(公告)日:2017-02-09

    申请号:US15106731

    申请日:2014-12-17

    Inventor: Masaki TAKEUCHI

    Abstract: 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.

    Abstract translation: 本发明涉及一种在230℃下弯曲弹性模量在25℃下的挠曲模量为25%以上的复合成形体的制造方法,其特征在于,包括以下工序(1)将玻璃纤维置于模具 ; (2)用含有环烯烃单体,易位聚合催化剂,自由基发生剂和由通式(I)表示的化合物的聚合性组合物浸渍玻璃纤维; (3)对上述聚合性组合物进行浸渍的本体聚合,得到复合成形品; 和(4)使复合成型体脱模; 和通过上述方法获得的复合成型体。 根据本发明的方法,可以制造含有玻璃纤维的复合成型体,该复合成形体具有优异的机械强度。

    NORBORNENE CROSS-LINKED POLYMER AND METHOD FOR PRODUCING SAME
    6.
    发明申请
    NORBORNENE CROSS-LINKED POLYMER AND METHOD FOR PRODUCING SAME 审中-公开
    异戊二烯交联聚合物及其生产方法

    公开(公告)号:US20160244540A1

    公开(公告)日:2016-08-25

    申请号:US15025113

    申请日:2014-09-19

    Inventor: Nobuto Kamei

    Abstract: 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 norbornene-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.

    Abstract translation: 本发明涉及含有50质量%以上的选自二环戊二烯类单体单元,四环十二碳烯类单体单元和三环戊二烯系单体单元中的至少一种的降冰片烯系交联聚合物 其中,所述降冰片烯系交联聚合物的玻璃化转变温度为240℃以上。 此外,本发明涉及如上所述的降冰片烯系交联聚合物的制造方法,其包括步骤(1):将含有至少一种上述单体成分的共混物和易位聚合催化剂加热至低于 比易位聚合催化剂的去活化温度进行初级固化; 和步骤(2):将步骤(1)中获得的固化产物加热至等于或高于上述易位聚合催化剂的失活温度的温度,进行二次固化。

    METHOD FOR PRODUCING POLYMERIZATION-REACTIVE LIQUID FORMULATION

    公开(公告)号:US20230192942A1

    公开(公告)日:2023-06-22

    申请号:US17918367

    申请日:2021-04-23

    Abstract: 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

    公开(公告)号:US20190256648A1

    公开(公告)日:2019-08-22

    申请号:US16405159

    申请日:2019-05-07

    Inventor: Michiru Kamada

    Abstract: 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.

Patent Agency Ranking