HC Plastics News: Adeka, a Japanese materials and additives company, and GHCraft, a composite structural design development and evaluation division of the Teijin Group, announced today that they have jointly developed the world's first fiber-composite (FtoC) molding process for The fiber reinforced plastic (FRP) is layered in the mold opening. At Japan's SAMPE (Advanced Materials Technology Association) in Tokyo, Adeka and GHCraft announced carbon fiber reinforced plastic (CFRP) samples.
New open mold compounding process shortens production cycle
The sample uses its FtoC molding process to automate resin impregnation, curing, and pressing processes while maintaining consistently oriented fibers. A special new fast-curing epoxy resin developed by Adeka can cure fiber reinforced plastic (FRP) in tens of seconds with GHCraft's new infrared radiation molding process.
FRP can be pressed in one mold without the need for large equipment like curing ovens and presses. In addition, the FtoC molding process allows the fibers to be placed directly into the mold compared to conventional composites without the need for intermediate steps, thereby greatly reducing fiber waste. In addition, glass fiber reinforced plastic (GFRP) produced by this process can significantly improve performance, including 100% flexural strength, by 40% compared to conventional resin transfer molding (RTM). Tensile strength and 75% interlaminar shear strength.
Looking ahead, Adeka will develop a special resin for the FtoC molding process, while GHCraft will develop practical applications. Adeka and GHCraft will jointly validate the effectiveness of the FtoC molding process by producing practical products. In addition, the goal of the two companies is to establish a new composite market segment through efforts to establish a FtoC molding process as a standard for FRP products.
Conventional FRPs are composed of a unidirectional fiber bonded to a matrix thermosetting resin and cured by heating. Traditional thermoset molding processes, such as autoclaves and resin transfer molding (RTM), have some drawbacks, including excessive production cycles and excessive production costs, including large equipment such as curing ovens and compression molding machines. The intermediate step required to create a large amount of fiber waste. In addition, conventional thermosetting molding processes twist fibers into matrix resins, and it is often difficult to achieve high toughness FRPs. 
Editor in charge: Ye Dan
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