Title:
透明シートの製造方法及び透明シート
Document Type and Number:
Japanese Patent JP6940875
Kind Code:
B2
Abstract:
To provide a manufacturing method of a transparent sheet of which warpage is effectively suppressed even when temperature change of environment is large.SOLUTION: There is provided a manufacturing method of a transparent sheet having a first resin film 1, a layer 3 in which a glass fiber fabric 3a is arranged in a cured resin composition, and a second resin film 2 laminated in this order, including a process for laminating the first resin film onto a layer in which uncured curable resin composition is impregnated into the glass fiber fabric on one surface of a process film and curing the uncured resin composition layer to obtain a first cured resin composition layer, a process for removing the process film from the first cured resin composition layer, supplying uncured curable resin composition to a surface of the first cured resin composition layer, laminating the second resin film is laminated on the same, and curing the uncured curable resin composition between the second resin film and the first cure resin composition layer to form a second cure resin composition layer, and forming the cured resin composition in which the first cured resin composition layer and the second cured resin composition are integrated.SELECTED DRAWING: Figure 1
Inventors:
Nobutaka Takeuchi
Hiroki Horikoshi
Hiroki Horikoshi
Application Number:
JP2018114683A
Publication Date:
September 29, 2021
Filing Date:
June 15, 2018
Export Citation:
Assignee:
UNITIKA LTD.
International Classes:
B32B17/04; A62C2/06; B32B37/02
Domestic Patent References:
| JP5634591B1 | ||||
| JP2013006328A | ||||
| JP2014201007A | ||||
| JP2001269954A |
Attorney, Agent or Firm:
Junya Tanaka
Mizuya Kamiya
Mizuya Kamiya