INTERLAYER FILM FOR LAMINATED GLASS, AND LAMINATED GLASS
INTERLAYER FILM FOR LAMINATED GLASS, AND LAMINATED GLASS
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Provided is an interlayer film for laminated glass having high Young's modulus, high flexural rigidity, and high sound insulating property. An interlayer film for laminated glass according to the present invention has a one-layer or two-layer structure, and includes a first layer including an ionomer resin containing polyvinyl acetal into which an acid group is introduced, or containing a (meth)acrylic resin into which an acid group is introduced, and the ionomer resin has a content of the acid group of 1.5% by mole or more and 10% by mole or less, the ionomer resin has a degree of neutralization of 10% or more and 90% or less, and the first layer has a glass transition point within a temperature range between -20°C and 0°C inclusive.
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INTERLAYER FILM FOR LAMINATED GLASS, AND LAMINATED GLASS
ZWISCHENSCHICHTFOLIE FÜR VERBUNDGLAS SOWIE VERBUNDGLAS
COUCHE INTERMÉDIAIRE POUR VERRE FEUILLETÉ, ET VERRE FEUILLETÉ
2020-08-12
Patent
Electronic Resource
English
| 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 / C08J Verarbeitung , WORKING-UP |