PROBLEM TO BE SOLVED: To provide a laminate and laminated glass, which show little temporal change in acoustic insulation after production of the laminated glass, and have excellent stability in acoustic insulation performance.SOLUTION: Provided is a laminate comprising an acoustic insulation layer disposed between at least two adhesive layers. A laminated glass, produced by placing the laminate between glass sheets having a thickness of 2 mm and crimping these by maintaining under conditions of a temperature of 140°C and a pressure of 1 MPa for 60 minutes, shows a loss factor α at 20°C and 2000 Hz of 0.2 or more as measured by a center excitation method. After the laminated glass is maintained at 18°C for one month, it shows a loss factor β at 20°C and 2000 Hz as measured by a center excitation method, and its ratio to the loss factor α, β/α, is 0.70 or more.SELECTED DRAWING: Figure 1

    【課題】合わせガラス作製後における遮音性の経時的変化が少なく、遮音性能の安定性に優れる積層体及び合わせガラスを提供することを目的とする。【解決手段】少なくとも2つの接着層の間に遮音層が位置する積層体であって、該積層体を厚さ2mmのガラスで挟んで、温度140℃、圧力1MPaの条件で60分間保持することにより圧着して作製した合わせガラスについて、中央加振法によるダンピング試験により測定される20℃、2000Hzにおける損失係数αが0.2以上であり、該合わせガラスを18℃で1ヶ月保持した後の合わせガラスについて、中央加振法によるダンピング試験により測定される20℃、2000Hzにおける損失係数βの損失係数αに対する比率β/αが0.70以上である、積層体。【選択図】図1


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    Title :

    LAMINATE AND LAMINATED GLASS


    Additional title:

    積層体及び合わせガラス


    Contributors:

    Publication date :

    2016-06-20


    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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