To provide a manufacturing method of an interior core material for a vehicle capable of obtaining a plurality of urethane stock solutions different in properties by one foam molding, and to provide an interior material for a vehicle using the interior core material for a vehicle manufactured by the manufacturing method.SOLUTION: A manufacturing method of an interior core material for a vehicle comprises: a stock solution preparation step of preparing a plurality of urethane stock solutions 111L and 112L different in properties by varying the kinds of raw materials to be used and/or their blending ratios; a stock solution injection step of pouring the plurality of urethane stock solutions 111L and 112L different in properties separately into individual compartments of a foaming tank 200, which is box-shaped with an upper opening and has a partition erected on a floor surface 202 to provide at least two or more compartments with any shape; and a foam molding step of integrally molding the urethane stock solutions 111L and 112L different in properties, while being foamed upward and bonded to each other, into a solid.SELECTED DRAWING: Figure 4

    【課題】複数の性質が異なるウレタン原液を一度の発泡成形で得る乗物用内装芯材の製造方法、及びこの製造方法で製造された乗物用内装芯材を用いた乗物用内装材を提供する。【解決手段】乗物用内装芯材の製造方法であって、ポリウレタンフォーム成形用のウレタン原液として、使用原料の種類及び/又はそれらの配合比を異ならせることで性質が異なるウレタン原液111L、112Lを複数準備する原液準備工程と、上方が開口された箱型状であり床面202に少なくとも2以上の任意の区画形状を設ける仕切りが立設された発泡槽200に対して複数の性質が異なるウレタン原液111L、112Lを区画形状に別々に注ぎ込む原液注入工程と、複数の性質が異なるウレタン原液111L、112Lが上方に向かってそれぞれ発泡して互いに結合された状態で一体に固体として成形される発泡成形工程と、を含む。【選択図】図4


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    Title :

    MANUFACTURING METHOD OF INTERIOR CORE MATERIAL FOR VEHICLE, AND INTERIOR MATERIAL FOR VEHICLE USING INTERIOR CORE MATERIAL FOR VEHICLE MANUFACTURED BY THE SAME


    Additional title:

    乗物用内装芯材の製造方法、及びこの製造方法で製造された乗物用内装芯材を用いた乗物用内装材


    Contributors:
    TOIDA TOSHIKI (author) / IMAI HIROTO (author)

    Publication date :

    2022-02-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR




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