Method for preparing carbon nanometer conductive solution and conductive fibers by using ionic liquids

A technology of ionic liquid and conductive solution, applied in dyeing, textile and papermaking, etc., can solve problems such as environmental pollution and easy agglomeration of composite materials

Active Publication Date: 2015-05-06
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the pollution caused by the addition of organic solvents and dispersants in traditional coating materials, and the problem that carbon nanotubes or graphene and resins are easy to agglomerate when forming composite materials. The energy-saving and environment-friendly carbon nano-coating material conductive solution and the far-infrared radiation conductive wire as a dispersant provide a method for preparing an ionic liquid carbon nano-conductive solution with good adhesion, fast heating speed, stable temperature, and not easy to age and its Application technology, using the electrothermal nano-conductive solution to roll-dye on the surface of fiber lines or silks of different materials by rolling coating, drying, etc., to prepare conductive lines with excellent conductivity

Method used

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  • Method for preparing carbon nanometer conductive solution and conductive fibers by using ionic liquids
  • Method for preparing carbon nanometer conductive solution and conductive fibers by using ionic liquids
  • Method for preparing carbon nanometer conductive solution and conductive fibers by using ionic liquids

Examples

Experimental program
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Effect test

Embodiment 1

[0014] Weigh 100.0g of one-component water-based polyurethane resin, 5.0g of wetting agent BYK190, 200.0ppm of [BMIM]Cl, add the above-mentioned wetting agent and ionic liquid dropwise into the weighed water-based polyurethane resin, and 800 Stir at a speed of -1000rpm for 1h to obtain a water-based polyurethane resin composite solution; weigh 894.8g of hydroxylated modified multi-walled carbon nanotubes (5%, wt%, the following units are the same), adjust the speed of the disperser to 1500-2000rpm, Slowly add the water-based polyurethane resin composite liquid obtained above to the multi-walled carbon nanotube dispersion liquid, after stirring at room temperature for 2 hours, add a certain amount of RM8W, stir at room temperature for 1 hour, adjust the viscosity of the conductive solution to 400mPa·s, statically After standing for 1 day, use the above-mentioned conductive solution to use 300D polyester yarn and wool yarn respectively, and carry out the dyeing experiment of the ...

Embodiment 2

[0016] Weigh 100.0g of one-component water-based polyurethane resin, 5.0g of wetting agent BYK190, 200.0ppm of [BMIM]Cl, add the above-mentioned wetting agent and ionic liquid dropwise into the weighed water-based polyurethane resin, and 800 Stir at a speed of -1000rpm for 1h to obtain a water-based polyurethane resin composite solution; weigh 844.8g of hydroxylated modified multi-walled carbon nanotubes (5%), and 50.0g of graphene dispersion (15%) in a stirred tank to adjust the dispersion The speed of the machine is 1500-2000rpm, slowly add the water-based polyurethane resin composite liquid obtained above to the multi-walled carbon nanotube and graphene dispersion liquid, stir at room temperature for 2 hours, add a certain amount of RM8W, and stir at room temperature for 1 hour, Adjust the viscosity of the conductive solution to 400mPa·s. After standing for 1 day, use the above conductive solution and wool silk thread to carry out the dyeing experiment of the conductive solu...

Embodiment 3

[0018] Weigh 700.0g of one-component water-based acrylic resin, 5.0g of wetting agent BYK349, 200.0ppm of [BMIM]BF 4 , the above wetting agent and ionic liquid were added dropwise to the weighed water-based acrylic resin, stirred at a speed of 800-1000rpm at room temperature for 1h to obtain a water-based acrylic resin composite liquid; weighed 294.8g graphene dispersion (15% ) in a stirred tank, adjust the speed of the disperser to 1500-2000rpm, slowly add the water-based acrylic resin composite liquid obtained above to the graphene dispersion liquid, stir at room temperature for 2 hours, add a certain amount of RM8W, and stir at room temperature 1h, adjust the viscosity of the conductive liquid to 400mPa·s, after standing for 1 day, use the above conductive solution at a temperature of 40°C, dye with 150D aramid yarn, and dry it at a temperature of 170-200°C to obtain a conductive fiber. The dyeing speed is 10-15m / min, and the dried conductive thread is wound on the roller c...

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Abstract

The invention provides a method for preparing a carbon nanometer conductive solution by using water as a solvent and ionic liquids as a dispersing agent, and a method for preparing electric heating fibers by using the carbon nanometer conductive solution. By using a water-based carbon nanometer tube or water-based graphene or nanometer superconductive carbon black dispersing solution or combining the three according to different proportions as a conductive adding material, and water-based resin as an adhering agent and one or a combination of more than two of ionic liquids of imidazolium salt, pyridinium salt, quaternary ammonium salt, quaternary phosphonium salt and the like as a dispersing gent, the conductive solution is prepared by virtue of compounding according to different proportions, and conductive fiber wires / yarns are prepared by dying and drying fiber wires / yarns through the conductive solution, and can be applied to the fields of medical apparatuses and instruments, electronic equipment, aerospace materials, far infrared heating blankets / cushions / clothes, industrial drying and the like. According to the method, the problems that the environment is polluted by a conventional organic solvent and a dispersing agent and agglomeration is easy to occur when a carbon nanometer tube, graphene, nanometer superconductive carbon black and resin are compounded are solved; the method belongs to a green, energy-saving and environment-friendly preparation technology of a carbon nanometer conductive material.

Description

Technical field: [0001] The invention belongs to the field of preparing carbon nanometer far-infrared radiation materials by using ionic liquid as a dispersant, and specifically relates to a preparation method of ionic liquid carbon nanometer conductive solution, and the preparation of far-infrared radiation conductive fiber and its application technology by using the above-mentioned conductive liquid. Background technique: [0002] Carbon nanotubes (CNTs) is a one-dimensional quantum inorganic material with a special structure (the radial dimension is on the order of nanometers, the axial dimension is on the order of micrometers, and both ends of the tube are basically sealed). Integrity, high aspect ratio, light weight, high strength, high temperature resistance, corrosion resistance, good heat transfer and electrical conductivity, with many unusual mechanical, electrical and chemical properties, as a peculiar nanomaterial, in polymer composites , nano-biological systems a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/673D06P1/52D06P1/44D06P3/52D06P3/14D06P3/24D06P3/60D06P3/85
Inventor 聂毅秦从雯徐慧张香平张锁江
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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