Mehrschichtiges Rohr

Details

Veröffentlichungs-Nr.

EP4763507

Anmeldetag

13. Mai 2024

Veröffentlichung

20. Februar 2025

Rechtsraum

EP

Abstract

Provided is a multilayer tube having a small kink point radius and improved bending durability. A multilayer tube 10 is a hollow tube, including: a plurality of layers laminated in a thickness direction, in which the plurality of layers includes a first layer 11 that is made of a modified adhesive fluororesin and is formed on an inner peripheral side, a second layer 12 that has a gas barrier property, is made of an ethylene-vinyl alcohol copolymer resin modified with an acetoacetyl group, and is formed on an outer periphery of the first layer 11, and a third layer 13 that is made of a modified polyolefin resin modified with an acidic functional group and is formed on an outer periphery of the second layer 12, and a ratio of a thickness of the second layer 12 to a total thickness of the multilayer tube including the first layer 11, the second layer 12, and the third layer 13 is 6/10 or more.

Anmelder

Firma

Nitta Corporation

Land

🇯🇵 Japan