Title:
長尺複層フィルムの製造方法及び長尺複層フィルム
Document Type and Number:
Japanese Patent JP7155827
Kind Code:
B2
Abstract:
To provide a manufacturing method of a long multilayer film which can suppress generation of a curl during conveyance and can manufacture efficiently, and provide the long multilayer film which prevents generation of the curl during the conveyance.SOLUTION: A manufacturing method of a long multilayer film provided with a base material film layer (A), and a coating film layer (B) arranged on its surface includes a process (1) of preparing a long base material film (a), and a process (2) of coating the base material film (a) with a coating film layer material (b). Coating in the process (2) is carried out so that a ratio De/Dof a film thickness De of a width-direction end part of the coating film layer (B) with respect to a film thickness Dat a position 10 mm away from the width-direction end part of the coating film layer (B) is 85% or less. The long multilayer film is manufactured by the manufacturing method.SELECTED DRAWING: Figure 1
Inventors:
Shunsuke Takagi
Ishihara Jiro
Ishihara Jiro
Application Number:
JP2018185849A
Publication Date:
October 19, 2022
Filing Date:
September 28, 2018
Export Citation:
Assignee:
Zeon Corporation
International Classes:
B05D3/00; B05D1/26; B29C55/02; B32B3/26; G02B5/30
Domestic Patent References:
| JP2004109771A | ||||
| JP2007090145A | ||||
| JP2007208140A | ||||
| JP7039807A |
Attorney, Agent or Firm:
Sakai International Patent Office