▎ 摘 要
NOVELTY - Blended cotton yarn comprises 25-35 pts. wt. waste cotton fabric, 20-30 pts. wt. cotton fiber, 20-30 pts. wt. ramie fiber, 18-25 pts. wt. modified polyacrylonitrile fiber, 5-8 pts. wt. graphene, 20-35 pts. wt. carbon fiber, 8-15 pts. wt. polypropylene, 4-8 pts. wt. carboxymethyl cellulose, 4-6 pts. wt. nano-titanium dioxide and 1-5 pts. wt. purified water. USE - Used as blended cotton yarn. ADVANTAGE - The blended cotton yarn: has excellent antistatic effect and air permeability; and recycles waste cotton fabrics again. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing blended cotton yarn, comprising (i) breaking up the waste cotton fabrics with a machine to regenerate broken cotton fibers with a length of 1.5-3 mm, (ii) introducing regenerated comminuted cotton fiber obtained in step (i) into the mixing device and adding organic solvent for heating and stirring, (iii) placing the recycled rag fiber outdoors and cooling it naturally, then covering it with a dust cover when cooling, then recovering the organic solvent in the modified rag fiber, (iv) mixing and stirring the modified polyacrylonitrile fiber, graphene, carbon fiber, polypropylene, carboxymethyl cellulose, nano-titanium dioxide and purified water to obtain a uniform slurry, (v) mixing and stirring cotton fiber and ramie fiber to form a uniform slurry and (vi) drying the modified chopped fiber, the slurry obtained in step (iv) and the slurry prepared in step (v) at a temperature of 80-90 degrees C, subjecting the dried modified fiber to carding and combing processes to obtain final product.