Gassperrlaminat und Verpackungsmaterial

Details

Veröffentlichungs-Nr.

EP4799811

Anmeldetag

10. Oktober 2024

Veröffentlichung

1. Mai 2025

Rechtsraum

EP

IPC

B32B27/32, B65D65/40

Abstract

The present invention provides a gas barrier laminate including: (A) a layer (A) containing an olefin-based substrate having an inorganic layer formed on at least one surface thereof; and (B) a layer (B) containing an ammonium salt of a resin having a carboxy group and 0.1 to 0.5 chemical equivalents of a polyvalent metal compound with respect to the carboxy group in the ammonium salt of the resin having a carboxy group, in which the layer (B) contains an ammonium salt of a resin (P1) having a carboxy group and a weight average molecular weight of 3,000 to 200,000 and an ammonium salt of a resin (P2) having a carboxy group and a weight average molecular weight of 200,000 to 10,000,000 in a range of P2/P1 = 10 to 2,000, and provides a packaging material.

Anmelder

Firma

DIC Corporation

Land

🇯🇵 Japan

Fachgebiete