▎ 摘 要
NOVELTY - Preparing leather comprises (i) dissolving graphene dissolved in acid solution and heating at 110-130 degrees C for 3-5hours; (ii) adding polyethyl acrylate and tourmaline powder into product from step (i), stirring the mixture, heating at 85-90 degrees C for 100-300 minutes and adjusting pH of product to 5.8-6.3; (iii) adding polyurethane resin and polyvinyl alcohol into product form step (ii) and stirring uniformly; and (iv) coating product on leather base cloth. USE - The leather is useful for preparing leather article or additives (claimed). ADVANTAGE - The leather: has wear resistance, durability, anti-static, anti-bacterial activity, anti-mildew activity, anti-ultra violet aging, flame retardant to smoke, electromagnetic shielding and far infrared health; and is comfort. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for leather, prepared as mentioned above.