Title:
繊維強化複合材の製造方法
Document Type and Number:
Japanese Patent JP7220448
Kind Code:
B2
Abstract:
To provide a process for producing a reinforced composite material in which voids between fibers and variations in product strength are suppressed and the production of thin wall FRP molded products is also facilitated.SOLUTION: The process for producing fiber reinforced composite material includes subjecting a chopped strand prepreg 1B in which reinforcing fibers are impregnated with a thermoplastic resin, to two-dimension randomization of fiber orientation to make it into a prepreg laminate 1C having a predetermined thickness, and heating the prepreg laminate 1C until the complex viscosity becomes 20 to 1800 [Pa-s], as well as compressing at 1 to 8 [MPa] to form a sheet-like product of a predetermined thickness, followed by cooling.SELECTED DRAWING: Figure 1
Inventors:
Zenichi Takashima
Keisuke Sone
Keisuke Sone
Application Number:
JP2018109556A
Publication Date:
February 10, 2023
Filing Date:
June 07, 2018
Export Citation:
Assignee:
Sun Corona Oda Co., Ltd.
International Classes:
B29B11/16
Domestic Patent References:
| JP2014091825A | ||||
| JP2016078308A | ||||
| JP2143810A |
Foreign References:
| WO2015105051A1 |
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Hideka Tanaka
Tsuyoshi Kumano
Hideka Tanaka