An eco-friendly tire cord made from an adhesive that does not contain resorcinol formaldehyde (RF) has been developed by Teijin Frontier. It also incorporates a low-environmental impact chemically recycled polyester (rPET) fiber for rubber reinforcement.
Fibers and products converting company, Teijin Frontier Co., Ltd., Tokyo/Japan, will now begin to develop reinforcing-fiber applications for various rubber products, including tire cords, belts, hoses and other diverse uses. The company will start test production of its new tire cord in 2023, targeting annual production of 200,000 tons by 2030. The new tire cord is a result of the company’s increasing emphasis on low-environmental impact solutions.
Because of the use of an adhesive polymer compound instead of RF, the new tire cord reduces the environmental impact of adhesive processing. In addition, due to its strong affinity with fibers and rubber, its adhesion performance is equivalent to that of conventional resorcinol-formaldehyde-latex (RFL) adhesives. Also, its chemically recycled fibers, which are made from polymers produced with chemical recycling method, maintain their strength, fatigue resistance, dimensional stability and heat resistance. Compared to conventional tire cords made from petroleum-derived PET fiber, the new tire cord achieves the same levels of quality and performance in addition to reducing CO2 emissions during production.
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