To provide a far infrared reflective film suitable for forming a ceiling material for a vehicle, which has a far infrared reflection effect in which temperatures of 80°C to 120°C are given on one surface side and has the far infrared reflection effect in which the temperatures around 15°C to 50°C are given on the other surface side.SOLUTION: A far infrared reflective film 10 of the prevent invention includes; a front-side infrared reflective layer 20 and a back-side far infrared reflective layer 40. In the front-side far infrared reflective layer 20 and the back-side far infrared reflective layer 40, wavelength regions of reflected light are different from each other. The wavelength regions of light reflected by the front side far infrared reflective layer 20 and the back side far infrared reflective layer 40 are arranged to be asymmetric. The back side far infrared reflective layer 40 is arranged so as to be directed to the vehicle interior side.SELECTED DRAWING: Figure 1

    【課題】一方面側で80℃〜120℃の温度を与える遠赤外線の反射効果を有し、他面側で15℃〜50℃程度の温度を与える遠赤外線の反射効果を有する、車両用天井材の形成に好適な遠赤外線反射フィルムの提供。【解決手段】本発明の遠赤外線反射フィルム10は、表面側赤外線反射層20及び裏面側赤外線反射層40を備え、表面側遠赤外線反射層20及び裏面側遠赤外線反射層40は、反射する光の波長領域が互いに異なり、表面側遠赤外線反射層20及び裏面側遠赤外線反射層40が反射する光の波長領域が非対称となるように配置されており、裏面側遠赤外線反射層40が車室内側を向くように配される積層フィルムである。【選択図】図1


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    Title :

    FAR INFRARED REFLECTIVE FILM


    Additional title:

    遠赤外線反射フィルム


    Contributors:

    Publication date :

    2019-07-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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