▎ 摘　　要

NOVELTY - Anti-tearing graphene nylon fiber fabric comprises 80-90 pts. wt. graphene modified nylon fiber, 20-25 pts. wt. thermoplastic polyurethane (TPU) nano fiber, 1-3 pts. wt. antioxidant and 1-3 pts. wt. plasticizer. USE - The anti-tearing graphene nylon fiber fabric is useful for outdoor sportswear, shoe fabric, and outdoor tent fabric. ADVANTAGE - The fabric: has excellent mechanical properties, excellent tear resistance, light weight, and flame-retardant and antibacterial properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the graphene nylon fiber fabric, comprising (i) pretreating graphene oxide by (i-a) dispersing graphite oxide in the solvent, adding hydrazine hydrate, reacting to obtain the reduced graphene oxide suspension, (i-b) taking aminobenzoic acid and dihydroxybenzaldehyde to dissolve in dimethyl formamide, obtaining mixed solution A, dripping mixed solution A into the reduced graphene oxide suspension prepared by step (i-a), reacting, obtaining the reduced graphene oxide after hydroxylation treatment, (i-c) dispersing hydroxylated reduced graphene oxide in tetrahydrofuran, adding solid sodium hydroxide, melamine, heating and reacting to obtain the pre-treated graphene oxide; (ii) pre-treating nylon fiber by (ii-a) adding phosphoric acid and formaldehyde mixed solution into the nylon fiber, heating and reacting, filtering, cleaning, drying to obtain the surface activated nylon fiber, (ii-b) dispersing the nylon fiber after surface activation treatment in acetone solution, stirring uniformly, adding diethylamine, trihydroxyaminomethane, heating and reacting to obtain the pre-treated nylon fiber; (iii) dispersing the graphene oxide pre-treated in step (i) in the tetrahydrofuran solution, adding the pre-treated nylon fiber in step (ii), adding solid sodium hydroxide, heating and reacting, drying to obtain graphene modified nylon fiber; (iv) dispersing the CO2-based TPU particles in the mixed solution of N,N-dimethylformamide and acetone, ultrasonically processing, adding sodium sulfanilate, heating and reacting, adding antioxidant, plasticizer to obtain TPU nano fiber spinning raw liquid, performing TPU nano fiber spinning raw liquid electrostatic spinning to obtain TPU nano- fiber; and (v) preparing graphene modified nylon fiber fabric, taking the obtained graphene modified nylon fiber strand to form strands as warp and adding TPU nano fiber obtained in the step (iv) as weft yarn and the whole yarn in batches, the warp yarn after finishing, weft orderly passes through the dipping roller, sizing roller, pressing roller, adhering white oil and liquid paraffin, drafting, weaving according to twill weave structure and shaping.