Graphene-reinforced antistatic antibacterial composite fiber and preparation method thereof

Abstract

The invention discloses a graphene-reinforced antistatic antibacterial composite fiber. The fiber comprises an inner layer and an outer layer; the outer layer wraps the periphery of the inner layer, and the cross section outline of the outer layer is in a round shape; the ratio of areas of the cross sections of the inner layer and the outer layer is 1:(0.4-0.7); the inner layer is prepared from, by weight, 80-90 parts of m-benzoylhexanediamine-p-benzoylhexanediamine copolyamide and 10-25 parts of polydecamethylene sebacamide; the outer layer is prepared from, by weight, 85-95 parts of polydecamethylene sebacamide, 15-20 parts of m-benzoylhexanediamine-p-benzoylhexanediamine copolyamide, 6-9 parts of edge graphene oxide and 3-5 parts of a dispersing agent. The graphene-reinforced antistaticantibacterial composite fiber has the good mechanical strength, and keeps good dimensional stability and good antistatic and antibacterial properties, and the fiber is soft and low in water absorption and has the good appearance.

Description

technical field [0001] The invention relates to the field of fiber technology, in particular to a graphene-reinforced antistatic and antibacterial composite fiber and a preparation method thereof. Background technique [0002] Graphene has excellent optical, electrical, and mechanical properties, and has important application prospects in materials science, micro-nano processing, energy, biomedicine, and drug delivery, and is considered to be a revolutionary material in the future. The arrangement of carbon atoms in graphene is the same as that of graphite monoatomic layer, which is bonded by sp2 hybrid orbitals, and has the following characteristics: carbon atoms have 4 valence electrons, of which 3 electrons form sp2 bonds, that is, each carbon atom has Donate an unbonded electron located in the pz orbital, the pz orbital of the adjacent atom is perpendicular to the plane to form a π bond, and the newly formed π bond is in a half-filled state. Studies have confirmed that ...

AI Technical Summary

Problems solved by technology

[0006] 1. Either the electrical conductivity is poor, or the mechanical strength is low, and it is difficult to take into account high mechanical strength and antistatic and antibacterial properties;

[0007] 2. It is necessary to add a large amount of additives, including conductive fillers, antibacterial agents, etc., the cost is high, and the utilization efficiency after addition is low

[0008] 3. The appearance, strength and dimensional stability of the fiber are poor

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