▎ 摘　　要

NOVELTY - Constant temperature warm-keeping knitted fabric comprises dralon acrylic, graphene viscose staple fiber, viscose fiber, coffee charcoal polyester, bamboo charcoal polyester. The dosage ratio of the dralon acrylic fiber, graphene viscose staple fiber and coffee charcoal polyester is (12-16): (5-8): (3-6). The preparation method of the knitted fabric with constant temperature and warmth comprises (i) spinning, (ii) knitting the yarn with a weft knitting circular knitting machine; (iii) immersing the woven knitted fabric in a dye solution for dyeing in the overflow dyeing vat, dyeing and washing dyed knitted fabric with a soaping agent, where the dye solution comprises 1.2-2.2% acetic acid, 0.5-1.5% sodium acetate, 0-3% sodium sulfate and 0.2-0.5% leveling agent; (iv) dehydrating the knitted fabric; (v) drying at 100-120 degrees C with speed of 15-20 m/minute; and (vi) subjecting the soaped fabric to a setting treatment. USE - Used as constant temperature warm-keeping knitted fabric. ADVANTAGE - The fabric has high heat preservation rate, strong moisture-conducting performance, strong hydrophilicity, good moisture absorption heating function and good heat preservation property.