MATERIALS | REINFORCEMENT
Toray’s latest is TorayCA M46X carbon fibre, which the company reports is approximately 20% stronger than others in the TorayCA MX series while maintaining a high tensile modulus. Using the new fibre reduces the weight of carbon fibre-reinforced plastic materials and thus lowers environmental impact. Achieving both high tensile strength and high tensile modulus is a technical challenge, which the company says it achieved by “pushing the structural control technology envelope”.
“Nano-level controls of the graphite crystallite
structure inside fibres resulted in an ultrafine, ultrahigh orientation producing carbon fibre that is more than 20% stronger than conventional materials while maintaining its tensile modulus,” the company explains. Both properties are crucial for the sporting and leisure goods market, for example, to maintain performance while using less carbon fibre to lower the weight of moulded parts. Also new from Toray is TorayCA T1200, a high
strength carbon fibre with a tensile strength of 8.0 gigapascals (GPa), which is higher than the 7.0 GPa strength of TorayCA T1100. The company says it uses its proprietary nanoscale structural control
technology to design and achieve an internal structure with high toughness. Toray announced in late November 2023 that its
French subsidiary, Toray Carbon Fibers Europe, obtained ISCC Plus certification for its Lacq and Abidos production plants in South-West France for allocating biomass or recycled materials through the mass balance approach to produce and supply carbon fibre. The company further noted that its carbon fibre plant in Japan and the carbon fibre facility of Toray Composite Materials America in Decatur, Alabama, plan to obtain ISCC Plus certification in 2024. Compounders have also been directing their
attention to fibre reinforcement. Mocom recently announced the opening of a new production hall for carbon fibre reinforced plastics at its facility in Gardelegen, Germany, built with a €10m invest- ment in the site from the Otto Krahn Group, Mocom’s parent company. The new production facility has capacity for more than 3,000 tonnes/yr of high-quality carbon fibre compounds. The company says that the use of recycled carbon fibres significantly reduces the carbon footprint of these lightweight and durable materials.
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