To provide an intermediate film for laminate glass which can enhance bending rigidity of laminate glass, can enhance sound insulation properties of the laminate glass, and can suppress generation of a flow mark.SOLUTION: An intermediate film for laminate glass includes a first layer containing a thermoplastic resin and a second layer containing a thermoplastic resin, in which the second layer is arranged on the first surface side of the first layer, the first layer contains silica particles, the glass transition temperature of the first layer is lower than the glass transition temperature of the second layer, and tanδ at 200°C of the first layer is 0.8 or more.SELECTED DRAWING: Figure 1

    【課題】合わせガラスの曲げ剛性を高めることができ、合わせガラスの遮音性を高めることができ、かつフローマークの発生を抑えることができる合わせガラス用中間膜を提供する。【解決手段】本発明に係る合わせガラス用中間膜は、熱可塑性樹脂を含む第1の層と、熱可塑性樹脂を含む第2の層とを備え、前記第2の層が、前記第1の層の第1の表面側に配置されており、前記第1の層がシリカ粒子を含み、前記第1の層のガラス転移温度が、前記第2の層のガラス転移温度よりも低く、前記第1の層の200℃におけるtanδが0.8以上である。【選択図】図1


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    Title :

    INTERMEDIATE FILM FOR LAMINATE GLASS AND LAMINATE GLASS


    Additional title:

    合わせガラス用中間膜及び合わせガラス


    Contributors:

    Publication date :

    2020-02-06


    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



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