Teijin develops new high-intensity, high-tensile carbon fibre

Teijin develops new high-intensity, high-tensile carbon fibre

7:15 AM, 14th July 2015
Teijin develops new high-intensity, high-tensile carbon fibre

TOKYO, JAPAN: Toho Tenax Co Ltd, core company of Teijin Group’s carbon fibre and composites business, said it has developed Tenax xms32, a new grade carbon fibre that achieves both high-intensity and high-tensile modulus required for aircraft and automotive applications.

Toho Tenax developed its new grade carbon fibre with a uniform structure by optimizing the structural design of polyacrylonitrile (PAN)-based precursor and by optimizing its manufacturing process. Compared to Tenax ims65, the existing grade carbon fibre that has been mainly used for aircraft applications, Tenax xms32 offers 10 percent more intensity and 10 percent greater tensile modulus. In addition, resin adherence has been significantly improved through new surface-modification technology to refine the chemical characteristics of the carbon fibre’s surface and control its smoothness on the nano level.

Carbon fibre used in aircraft, automotive, high-end sports and leisure applications must offer high levels of stiffness, as well as improved intensity and tensile modulus. It had generally been difficult to realize both intensity and tensile modulus in PAN carbon fibre due to decreased intensity resulting from increased tensile modulus.

Toho Tenax is developing prepreg using Tenax xms32 for airplanes and expects to develop prepregs for automotive and high-end sports and leisure applications in the foreseeable future. Going forward, Toho Tenax will continue extending its lineup of carbon fibre ranging from yarn to structural parts, to meet wide-ranging needs for customer applications.

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