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Anionic flexible graphene electrothermal composite, anionic flexible graphene electrothermal composite film as well as preparation methods and applications

A flexible graphite and composite material technology, applied in the field of materials, can solve the problems of low far-infrared conversion efficiency, complicated preparation method and process, low flexibility of electrothermal composite film, etc., and achieves the effects of high infrared heat conversion efficiency, simple operation and strong flexibility

Active Publication Date: 2018-06-22
杭州仁智信科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The second object of the present invention is to provide the preparation method of the above-mentioned negative ion flexible graphene electrothermal composite material, so as to alleviate the technical problems of complex process and high cost of the preparation method of negative ion flexible graphene electrothermal composite material existing in the prior art
[0010] The third object of the present invention is to provide a kind of negative ion flexible graphene electrothermal composite film, to alleviate the graphene electrothermal composite film existing in the prior art with low flexibility, not resistant to bending, not resistant to rubbing, and low far-infrared conversion efficiency. question

Method used

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  • Anionic flexible graphene electrothermal composite, anionic flexible graphene electrothermal composite film as well as preparation methods and applications
  • Anionic flexible graphene electrothermal composite, anionic flexible graphene electrothermal composite film as well as preparation methods and applications
  • Anionic flexible graphene electrothermal composite, anionic flexible graphene electrothermal composite film as well as preparation methods and applications

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preparation example Construction

[0079] The present invention also provides the preparation method of the above-mentioned negative ion flexible graphene electrothermal composite material, comprising:

[0080] Disperse and grind the mixture of graphene, negative ion powder, dispersant and part of the flexible resin in the formulated amount to obtain a pre-dispersed slurry, mix and disperse the pre-dispersed slurry with the remaining flexible resin, and pass through a 80-120 mesh sieve to obtain Negative ion flexible graphene electrothermal composite material.

[0081] The preparation method of the negative ion flexible graphene electrothermal composite material provided by the present invention is simple to operate, and through specific operation steps such as dispersing and grinding the raw materials, the raw materials can be made to cooperate with each other to obtain a flexible, stable heating, safe to use and infrared Negative ion flexible graphene electrothermal composite material with high heat conversio...

Embodiment 1

[0111] This embodiment provides a kind of negative ion flexible graphene electrothermal composite material, comprising:

[0112] 3 parts of graphene with a sheet diameter of 10 μm, 1.5 parts of tourmaline powder with a particle size of 0.8 μm, 50 parts of water-based polyurethane resin and 0.5 parts of polyvinylpyrrolidone.

Embodiment 2

[0114] This embodiment provides a kind of negative ion flexible graphene electrothermal composite material, comprising:

[0115] 1.5 parts of graphene with a sheet diameter of 10 μm, 0.5 parts of tourmaline powder with a particle size of 0.8 μm, 50 parts of water-based polyurethane resin and 0.25 parts of polyvinylpyrrolidone.

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Abstract

The invention provides an anionic flexible graphene electrothermal composite, an anionic flexible graphene electrothermal composite film as well as preparation methods and applications and relates tothe technical field of materials. The anionic flexible graphene electrothermal composite comprises graphene, anion powder, flexible resin and a dispersant and has the advantages of high flexibility, heating stability, use safety, high infrared heat conversion efficiency and the like. The preparation method of the anionic flexible graphene electrothermal composite is simple to operate and all raw materials can be matched with one another. The preparation method of the anionic flexible graphene electrothermal composite film is simple, easy to implement, prone to industrial mass production and suitable for promotion and application. The anionic flexible graphene electrothermal composite film has the advantages of high flexibility, heating stability, high conductivity, use safety, high infrared heat conversion efficiency, capability of releasing a larger numbers of anions and the like and has wide applicability.

Description

technical field [0001] The invention relates to the field of material technology, in particular to an anion flexible graphene electrothermal composite material, an anion flexible graphene electrothermal composite film, a preparation method and an application thereof. Background technique [0002] Graphene electric heating technology has the advantages of green environmental protection, high heat conversion efficiency, far-infrared physiotherapy and convenient pavement design, etc. It is widely used in modern architecture, heating engineering, decoration and other fields. [0003] Since graphene was prepared for the first time in 2004, graphene has been hailed as the "king of new materials" and "black gold". Or a quasi-two-dimensional crystal material with several monoatomic layers, which has excellent properties such as high electrical conductivity, high strength, and high thermal conductivity. These excellent properties of graphene make it show a good application prospect i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/04C08L75/14C08L39/06C08K7/00C08K3/04C08K3/38C08K3/32B32B27/40B32B27/18B32B27/12B32B25/20B32B25/08B32B27/06B32B5/02B32B9/02B32B9/04B32B17/02B32B17/10B32B7/12B32B37/12B32B38/00
CPCB32B5/02B32B7/12B32B25/08B32B25/20B32B27/08B32B27/12B32B27/18B32B27/40B32B37/12B32B38/00B32B2038/0076B32B2255/10B32B2255/205B32B2262/08B32B2262/101B32B2307/202B32B2307/7145B32B2319/00B32B2375/00B32B2535/00C08K3/04C08K3/32C08K3/38C08K7/00C08K2003/321C08K2003/387C08L75/04C08L75/14C08L2203/16C08L2205/03C08L39/06C08L91/00Y02P20/10
Inventor 朱建向联合贺盼盼洪晔
Owner 杭州仁智信科技有限公司
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