To provide a heat-ray shielding laminated transparent base material having high heat-ray shielding characteristics.SOLUTION: In a heat-ray shielding laminated transparent base material, coatings for reducing a reflectance to light having a wavelength of 420 nm or more and 650 nm or less are formed on both surfaces of the heat-ray shielding laminated transparent base material formed by sandwiching heat-ray shielding films between a plurality of transparent base materials, the heat-ray shielding films are arranged between the plurality of transparent base materials and contain composite tungsten oxide particles and a thermoplastic resin, the composite tungsten oxide particles are particles of a composite tungsten oxide represented by general formula MxWOy, an average value of reflectance to light having a wavelength of 420 nm or more and 650 nm or less is 0% or more and 2% or less, and an average value of reflectance to light having a wavelength of 780 nm or more and 1,000 nm or less is 4% or more and 100% or less.SELECTED DRAWING: Figure 1

    【課題】高い熱線遮蔽特性を有する熱線遮蔽合わせ透明基材を提供する。【解決手段】熱線遮蔽膜が複数枚の透明基材に挟持されて成る熱線遮蔽合わせ透明基材の両面に、波長420nm以上650nm以下の光に対する反射率を低下させる被覆が形成されており、前記熱線遮蔽膜は、前記複数枚の透明基材の間に配置され、複合タングステン酸化物粒子と熱可塑性樹脂とを含み、前記複合タングステン酸化物粒子は、一般式MxWOyで示される複合タングステン酸化物の粒子であり、波長420nm以上650nm以下の光に対する反射率の平均値が0%以上2%以下、かつ、波長780nm以上1000nm以下の光に対する反射率の平均値が4%以上100%以下である、熱線遮蔽合わせ透明基材を提供する。【選択図】図1


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    Title :

    HEAT-RAY SHIELDING LAMINATED TRANSPARENT BASE MATERIAL


    Additional title:

    熱線遮蔽合わせ透明基材


    Contributors:

    Publication date :

    2021-09-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / 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 / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge