Abstract

On September 19, Toray Industries, Inc., announced it signed an agreement with Honda Motor Co., Ltd., to jointly develop a chemical recycling technology for glass-fiber reinforced nylon 6 parts recovered from end-of-life vehicles. The two have begun verifying this technology, which entails depolymerizing with subcritical water and regenerating the materials as caprolactam, a raw monomer. Subcritical water is in a high-temperature, high-pressure state, just below the critical point of water (374°C, 22 megapascals). It differs from water at normal temperatures and pressures in several ways, such as by dissolving and hydrolyzing organic compounds.

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