The present invention aims to provide an interlayer film for a laminated glass which enables production of a laminated glass with suppressed occurrence of optical distortion, a method for producing the interlayer film for a laminated glass, and a laminated glass produced using the interlayer film for a laminated glass. The present invention relates to an interlayer film for a laminated glass produced by an extrusion lip embossing method utilizing melt fracture, the interlayer film for a laminated glass including a laminate that includes two or more resin layers in a stack and having a large number of protrusions and recesses on at least one surface, a maximum height Ry (µm) and an average interval Sm (µm) of the protrusions and recesses measured in conformity with JIS B 0601 (1994) on the surface with protrusions and recesses satisfying a formula (1): Ry × Sm / 2 ¤ 3,500
INTERMEDIATE FILM FOR LAMINATED GLASS, METHOD FOR PRODUCING INTERMEDIATE FILM FOR LAMINATED GLASS, AND LAMINATED GLASS
ZWISCHENFILM FÜR SCHICHTGLAS, VERFAHREN ZUR HERSTELLUNG EINES ZWISCHENFILMS FÜR SCHICHTGLAS UND SCHICHTGLAS
FILM INTERMÉDIAIRE POUR VERRE FEUILLETÉ, PROCÉDÉ DE PRODUCTION D'UN FILM INTERMÉDIAIRE POUR VERRE FEUILLETÉ ET VERRE FEUILLETÉ
2021-02-24
Patent
Electronic Resource
English
IPC: | 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 / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge |
European Patent Office | 2019
|European Patent Office | 2017
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