▎ 摘　　要

NOVELTY - Anti-static warp knitted fabric comprises antibacterial layer, antistatic layer, thermal insulation layer and skin-friendly layer four layers from top to bottom, where the antibacterial layer is composed of modified polyester fiber and silver fiber, the antistatic layer is composed of modified polyester fiber and conductive fiber, the thermal insulation layer is composed of hollow polyester fiber, the skin-friendly layer is composed of modified polyester fiber and wool fiber, the modified polyester fibers in the antibacterial layer and the modified polyester fibers in the antistatic layer are radially knitted and interwoven, the modified polyester fibers in the antistatic layer and the hollow polyester fibers in the insulation layer are radially knitted and interwoven, the radial weaving and interweaving connection is carried out with the modified polyester fiber in the skin-friendly layer for radial weaving and interweaving connection. USE - Used as anti-static warp knitted fabric. ADVANTAGE - The fabric contains modified polyester fiber, which has good hydrophobicity, tensile strength and antistatic ability, improved waterproof effect, tensile strength and antistatic effect, thus improve the use performance of the textile fabric. DETAILED DESCRIPTION - Anti-static warp knitted fabric comprises antibacterial layer, antistatic layer, thermal insulation layer and skin-friendly layer four layers from top to bottom, where the antibacterial layer is composed of modified polyester fiber and silver fiber, the antistatic layer is composed of modified polyester fiber and conductive fiber, the thermal insulation layer is composed of hollow polyester fiber, the skin-friendly layer is composed of modified polyester fiber and wool fiber, the modified polyester fibers in the antibacterial layer and the modified polyester fibers in the antistatic layer are radially knitted and interwoven, the modified polyester fibers in the antistatic layer and the hollow polyester fibers in the insulation layer are radially knitted and interwoven, the radial weaving and interweaving connection is carried out with the modified polyester fiber in the skin-friendly layer for radial weaving and interweaving connection; the preparation method of modified polyester fiber in the antibacterial layer, antistatic layer and skin-friendly layer comprises (i) subjecting graphene to multiple grinding to obtain graphene particles with a particle size of about 1 mm, oxidizing the graphene, adding ethylene glycol, coupling agent and emulsifier into the oxidized graphene for mixed emulsification to obtain graphene emulsified slurry, (ii) purifying terephthalic acid and reacting with graphene emulsified slurry to obtain modified polyester chips, heating the modified polyester chips to melt state, mixing and dispersing the melt by static mixer and a dynamic mixer, extruding as-spun yarn through the melt distribution plate and the spinning spinneret, and cooling the as-spun yarn by the surrounding air, clustering and oiling, drawing and winding to obtain polyester fiber, (iii) mixing ethylenediamine and sodium hydroxide to obtain a mixed solution, placing the polyester fibers in the mixed solution for treatment, and obtaining dissimilated polyester fibers after the treatment, adding the dissimilated polyester fiber into graphene oxide for impregnation, then taking out, washing and drying, and finally obtaining modified polyester fiber.