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Graphene/metal sulfide/polymer composite fiber membrane with layering structure and preparation method of membrane

A technology of metal sulfide and composite fiber membranes, applied in textiles, papermaking, non-woven fabrics, etc., can solve the problems of rare textile materials, achieve good biodegradability, strong binding force, and good insulation Effect

Active Publication Date: 2018-09-14
尚妙根
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen from the above prior art that fiber membranes with a layered structure can be prepared by changing the electrospinning equipment or the spinning solution of the electrospinning, but the layered structure fiber membranes currently prepared are mostly used as filter materials or medical biomaterials , the research on textile materials is rare

Method used

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  • Graphene/metal sulfide/polymer composite fiber membrane with layering structure and preparation method of membrane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) According to the mass ratio of graphene oxide, metal ion, PVP and sulfur powder is 1:0.1:0.3:0.2, add 2wt% metal iron ion solution in the graphene oxide aqueous solution of 15mg / L, molecular weight is 1,300,000 After the PVP and sulfur powder are mixed evenly, the alkaline solution is added dropwise, heated and pressurized at 200 °C and 0.5 MPa for 18 hours, washed and dried to obtain a graphene-coated metal sulfide nanocomposite.

[0026] (2) Add the graphene-coated metal sulfide nanocomposite to the bacterial cellulose solution, induce culture at 28°C for 1 day, and obtain a translucent bacterial cellulose film-coated nanocomposite, in which the translucent bacterial cellulose The thickness of the translucent bacterial cellulose film in the nanocomposite coated with plain film was 50 μm.

[0027] (3) Add the nanocomposite material coated with translucent bacterial cellulose film to the polyethylene terephthalate polymer, after heating and melting, in the electrosp...

Embodiment 2

[0029] (1) According to the mass ratio of graphene oxide, metal ion, PVP and sulfur powder is 1:0.2:0.5:0.4, add 5wt% metal iron / chromium / aluminum / molybdenum ion solution in the graphene oxide aqueous solution of 20mg / L 1. PVP and sulfur powder with a molecular weight of 1.3 million, after mixing evenly, add an alkaline solution dropwise, heat and pressurize at 240 ° C and 1 MPa for 24 hours, wash and dry, and obtain a graphene-coated metal sulfide nanocomposite.

[0030] (2) Add the graphene-coated metal sulfide nanocomposite to the bacterial cellulose solution, induce culture at 32°C for 2 days, and obtain a translucent bacterial cellulose film-coated nanocomposite, in which the translucent bacterial cellulose The thickness of the translucent bacterial cellulose film in the nanocomposite coated with plain film is 500 μm.

[0031](3) Add the nanocomposite material coated with translucent bacterial cellulose film to the polyethylene polymer, after heating and melting, use a la...

Embodiment 3

[0033] (1) According to the mass ratio of graphene oxide, metal ion, PVP and sulfur powder is 1:0.15:0.4:0.3, add 3wt% metal aluminum ion solution in the graphene oxide aqueous solution of 17mg / L, molecular weight is 1,300,000 After the PVP and sulfur powder are mixed evenly, the alkaline solution is added dropwise, heated and pressurized at 230 °C and 0.6 MPa for 20 hours, washed and dried to obtain a graphene-coated metal sulfide nanocomposite.

[0034] (2) Add the graphene-coated metal sulfide nanocomposite to the bacterial cellulose solution, induce culture at 30°C for 1.5 days, and obtain a translucent bacterial cellulose film-coated nanocomposite, in which the translucent bacteria The thickness of the translucent bacterial cellulose film in the cellulose film-coated nanocomposite was 100 μm.

[0035] (3) Add translucent bacterial cellulose film-coated nanocomposites to the polylactic acid polymer, heat and melt, use a layered receiver in the electrospinning device, the s...

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Abstract

The invention provides a graphene / metal sulfide / polymer composite fiber membrane with a layering structure and a preparation method of the membrane. The preparation method includes the steps: adding metal ion solution, PVP (polyvinyl pyrrolidone) and powdered sulfur into graphene oxide water solution, uniformly mixing mixture, dripping alkaline solution, and performing heating, pressuring and sealing reaction, washing and drying to obtain a nano-composite material of graphene coated metal sulfide; adding the nano-composite material of the graphene coated metal sulfide into bacterial cellulosesolution, and performing induction culture for 1-2 days to obtain a semitransparent bacterial cellulose film coated nano-composite material; adding the semitransparent bacterial cellulose film coatednano-composite material into a polymer, heating and melting mixture, performing electrostatic spinning in an electrostatic spinning device by the aid of a layering receiver to prepare the composite fiber membrane. The prepared composite fiber membrane has a gradient hole structure, is good in heat insulation, mechanical property and toughness and can be used for the field of smart clothing.

Description

technical field [0001] The invention belongs to the technical field of textile materials, and in particular relates to a graphene / metal sulfide / polymer composite fiber membrane with a layered structure and a preparation method thereof. Background technique [0002] Electrospinning uses a high-voltage electric field to stretch a solution or molten polymer into filaments, and can continuously prepare micro-nano fibers. Electrospinning has the advantages of more spinnable materials, less raw material consumption, and easy operation. Different forms of receiving devices, electrospinning can prepare micro-nanofiber products with different structures, such as oriented fibers, nanofiber yarns, tubular fiber films, etc., which is one of the important methods for preparing nanostructured materials. [0003] Melt electrospinning is to heat the polymer raw material to a molten state, and the melt is drawn by an electrostatic field and then cooled and solidified to obtain ultrafine fibe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H1/728D04H1/4374D04H1/4382
CPCD04H1/4374D04H1/4382D04H1/728
Inventor 陈东进
Owner 尚妙根
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