Title:
HEAT-FUSIBLE LAMINATED FILM
Document Type and Number:
Japanese Patent JP2023011253
Kind Code:
A
Abstract:
To provide a heat-fusible laminated film having high adhesion force at a laminated interface and a good bonding condition when heat fused and to provide a roll on which the same is wound.SOLUTION: There is provided a heat-fusible laminated film which comprises a layer B, a layer C, a layer A, the layer C and the layer B in this order in which at least the layer C, the layer A and the layer C are laminated by co-extrusion, wherein the layer A contains 100 to 70 mass% of a polymer A1 having 90 mol% or more and 100 mol% or less of a constitutional unit derived from 4-methyl-1-pentene based on the total constitutional unit, the layer B contains 100 to 70 mass% of a heat-fusible polyolefin B1 and the layer C contains 50 mass% or more of a copolymer C1 having 60 mol% or more and 99 mol% or less of a constitutional unit derived from 4-methyl-1-pentene and 1 mol% or more and 40 mol% or less of a constitutional unit derived from an α-olefin having 2 or more and 20 or less carbon atoms other than 4-methyl-1-pentene.SELECTED DRAWING: None
Inventors:
TANAKA YOSHITAKA
WATABE YOSHIYUKI
FUNAOKA HIROKI
MASUDA YOSHIFUMI
WATABE YOSHIYUKI
FUNAOKA HIROKI
MASUDA YOSHIFUMI
Application Number:
JP2021115000A
Publication Date:
January 24, 2023
Filing Date:
July 12, 2021
Export Citation:
Assignee:
TOYO BOSEKI
International Classes:
B32B27/32; C08F210/14; C09J7/24; C09J7/29; C09J7/30; C09J123/00; C09J123/26
Attorney, Agent or Firm:
Patent Attorney Corporation Junias International Patent Office