![]() “Pyrolysis and oxidation alone are not enough to preserve carbon fibers and these processes have existed for some time already,” he said. This results in a carbon fiber that is ready for adhesion and reuse. “Our optimized two-phase process enables us to produce clear recyclate fibrer with excellent surface characteristics as well as high mechanical strength,” said Hadigheh. The second stage, oxidation at a high temperature, removes this char. But this stage leaves a char on the fiber which would prevent a good bond in a resin matrix. During pyrolysis, CFRP is heated in the absence of oxygen and is broken down. It is a two-part process, pyrolysis followed by oxidation. Hadigheh developed a method that promises to change that problem. More for You: Catalyzing a Solution for Plastic Waste “Current recycling methods are inept, as they cause major reduction in mechanical and physical properties of recovered fiber,” he said. ![]() The most common techniques are to shred, crush, or mill the substance, but those methods produce a mix of powdered and fibrous material that simply does not perform as well as virgin carbon fiber, said Hadigheh. Carbon fibers are difficult to recycle and the global demand is great.There are a few methods of recycling carbon fiber, but they result in a seriously degraded material. ![]()
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