Nano carbon-fiber composite electrical heating material and preparing method thereof

A technology of nano-carbon fiber and electrothermal materials, which is applied in the direction of heating element materials, cable/conductor manufacturing, circuits, etc., can solve the problems of affecting the conductive network and chain conductive structure, not being able to play well with nano-electrothermal coatings, and the failure of electrothermal performance. Achieve huge economic and social benefits, easy operation, and good product quality

Inactive Publication Date: 2012-02-08
XINYANG HUANYU KNITTING GARMENT
View PDF5 Cites 24 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide a nano-carbon fiber composite electric heating material and its preparation method, which can effectively solve the dispersion uniformity of the electric heatin

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In the production of the present invention, the electrothermal material is made of the following components in weight percentage: 5% of nano-carbon fiber powder, 10% of conductive acetylene carbon black powder, 10% of conductive graphite powder, 10% of nano-bamboo charcoal powder, and 0.1% of coupling agent %, 0.3% dispersant, 1% flame retardant, 1% adhesive, 0.1% defoamer, 62.5% water, among them, mix nano-carbon fiber powder and nano-bamboo charcoal powder evenly, stir for 30 minutes, add water and Coating agent, carry out surface modification coating to nano-particle, stir 3 hours under the high speed of rotating speed 4000 revs / min, obtain the first mixture; Mix conductive acetylene carbon black powder and conductive graphite powder, stir evenly, stirring time 40 minutes , with a rotating speed of 3500 rpm, put it into the first mixture, add a dispersant at the same time, and then put it into a vertical stirring ball mill. At a rotating speed of 5000 rpm, perform mec...

Embodiment 2

[0026] In the production of the present invention, the electric heating material can also be made of the following components in weight percentage: 10% of nano-carbon fiber powder, 15% of conductive acetylene carbon black powder, 15% of conductive graphite powder, 15% of nano-bamboo charcoal powder, coupling agent 0.5%, dispersant 0.6%, flame retardant 5%, adhesive 5%, defoamer 0.4%, water 33.5%, wherein, mix nano-carbon fiber powder and nano-bamboo charcoal powder evenly, stir for 35 minutes, add water and Coupling agent, surface modification and coating of nanoparticles, stirring at a high speed of 3500 rpm for 3.5 hours to obtain the first mixture; mixing conductive acetylene carbon black powder and conductive graphite powder, stirring evenly, stirring time 50 Minutes, the speed is 3000 rpm, put it into the first mixture, add the dispersant at the same time, and then put it into the vertical stirring ball mill, at the speed of 5500 rpm, implement mechanical dispersion treatm...

Embodiment 3

[0028] In the production of the present invention, the electrothermal material can also be made of the following components in weight percentage: 15% of nano-carbon fiber powder, 20% of conductive acetylene carbon black powder, 15% of conductive graphite powder, 15% of nano-bamboo charcoal powder, coupling agent 0.7%, dispersant 0.8%, flame retardant 6%, adhesive 6%, defoamer 0.6%, water 20.9%, wherein, mix nano-carbon fiber powder and nano-bamboo charcoal powder evenly, stir for 40 minutes, add water and Coupling agent, modify and coat the surface of nanoparticles, stir at a high speed of 3000 rpm for 4 hours to obtain the first mixture; mix conductive acetylene carbon black powder and conductive graphite powder, stir evenly, and stir for 60 Minutes, the speed is 2500 rpm, put it into the first mixture, add the dispersant at the same time, then put it into the vertical stirring ball mill, at the speed of 6000 rpm, implement mechanical dispersion treatment, stir the stirring te...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Particle sizeaaaaaaaaaa
Particle sizeaaaaaaaaaa
Login to view more

Abstract

The invention relates to a nano carbon-fiber composite electrical heating material and a preparing method thereof. The nano carbon-fiber composite electrical heating material can effectively solve the problem that the dispersion uniformity of the electrical heating coating is influenced even the phenomenon of aggregation flocculation is formed. The nano carbon-fiber composite electrical heating material is prepared from the following components by weight percentage: 5-15% of nano carbon fiber powder, 10-25% of conductive acetylene carbon black powder, 10-25% of conductive graphite powder, 10-25% of nano bamboo charcoal powder, 0.1-3% of coupling agent, 0.3-4% of dispersing agent, 1-10% of fire retardant, 1-10% of binding agent, 0.1-1% of defoaming agent and the balance of water. The preparation method comprises the following steps of: uniformly mixing the nano carbon fiber powder and the nano bamboo charcoal powder, adding the water and the coupling agent in the mixture and stirring to obtain a first mixture; uniformly mixing and stirring the conductive acetylene carbon black powder and the conductive graphite powder, then putting into the first mixture, adding the dispersing agent and then putting into a vertical mixing ball mill for dispersed processing to obtain a second mixture; and adding the fire retardant, the binding agent and the defoaming agent to the second mixture,and continuously stirring to obtain the nano carbon-fiber composite electrical heating material. The nano carbon-fiber composite electrical heating material has the advantages of rich raw materials, simple preparing method, easiness in operation, good quality of product, safety and environment friendliness, wide application and huge economic and social benefits.

Description

technical field [0001] The invention relates to the field of electrothermal materials, in particular to a nano-carbon fiber composite electrothermal material and a preparation method thereof. Background technique [0002] In order to improve the electrothermal conversion efficiency and reduce energy consumption, the development and application of nanometer materials and technologies have promoted the development of electrothermal technology. As we all know, once the conductive particle reaches the nanometer particle size, its surface energy, surface atomic number, surface tension and specific surface area will be greatly increased, and its electrical conductivity and electrothermal conversion efficiency will also be greatly improved. A patent has been published "Nano silicon carbon composite fiber electrothermal coating and its preparation method" (200510027210.0), the main point of the invention is to graphitize the activated carbon fiber mat to make carbon fiber powder wit...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H05B3/14H01B13/00
Inventor 赵鑫荣
Owner XINYANG HUANYU KNITTING GARMENT
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap