Perforated CFRTP (Carbon Fiber Reinforced Thermo Plastics)

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Co-development with Toray Plastics Precision Co.,Ltd. (Toray group).(Patented on April, 2017)

Mass media coverage


Speaker covers molded from CFRP developed by Toray Plastics Precision Co.,Ltd. (joint patent application : Okutani Ltd.)	The world’s first, patented for “Porous structure made of Carbon Fiber Reinforced Thermo Plastics based material and its manufacturing method (Perforated CFRTP)”	Patented for “Porous structure made of Carbon Fiber Reinforced Thermo Plastics based material and its manufacturing method (Perforated CFRTP)”

What is the “Thermoplastic CFRP” ?

CFRTP = Thermoplastic CFRP

Carbon fiber reinforced plastic featuring lightweight and high-strength that uses thermoplastics (which softens when heated and solidifies when cooled) instead of thermoset resin (which hardens when heated and doesn’t return to its original state) is “CFRTP”.

Characteristics of CFRTP (Comparison with thermosetting type).

CFRP, which is a lightweight and high-strength material, has been attracting attention for its use in aircraft and high-speed trains, however the mainstream of the existing CFRP is thermosetting CFRP which uses thermosetting resin such as epoxy as the resin based material.
These conventional thermosetting CFRP are, ①Refrigeration equipment is required, ②Long process (Low productivity), ③Post-processing is quite difficult, ④Recycling is difficult and Production costs are high.

On the other hand, CFRTP is relatively inexpensive because of ①storage at room temperature, ②High productivity, ③Easy post-processing, ④Recyclable.
However, in terms of physical properties, thermosetting CFRP is superior to thermoplastic CFRP.

Expectation for CFRTP.

The reason why CFRTP is expected is for automotive lightweight due to enhanced fuel regulations.
Traditionally, the use of CFRTP has been limited to racing cars and ultra-luxury cars, but with mass production and lower costs, there is a growing expectation that it will be used in mass production vehicles.