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A kind of non-layered molybdenum nanosheet/graphene-based fiber film and preparation method thereof

A technology of vinyl fibers and nanosheets, which is applied in the fields of fiber chemical characteristics, non-woven fabrics, rayon manufacturing, etc., can solve the problems of easy stacking of graphene scales, low electrical conductivity, poor dispersion effect, etc., and achieve high mechanical properties , good flexibility and uniform heat production

Active Publication Date: 2022-02-15
北京康烯科技创新研究有限公司
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Problems solved by technology

[0006] In view of this, the present invention provides a kind of preparation method of non-layered molybdenum nanosheet / graphene-based fiber membrane, and the present invention also provides a kind of preparation method that adopts aforementioned non-layered molybdenum nanosheet / graphene-based fiber membrane The prepared non-layered molybdenum nanosheet / graphene-based fiber membrane solves the poor dispersion effect of the existing / graphene-based fiber membrane, graphene scales are easy to stack each other, have large resistance, low electrical conductivity, and heat resistance Defects such as sex difference

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  • A kind of non-layered molybdenum nanosheet/graphene-based fiber film and preparation method thereof
  • A kind of non-layered molybdenum nanosheet/graphene-based fiber film and preparation method thereof
  • A kind of non-layered molybdenum nanosheet/graphene-based fiber film and preparation method thereof

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preparation example Construction

[0036] A preparation method of non-layered molybdenum nanosheet / graphene-based fiber membrane, comprising the following steps:

[0037] Prepare the pre-stripping dispersion liquid of molybdenum powder: provide molybdenum powder and add in the pre-stripping dispersion liquid, the kind of pre-stripping dispersion liquid (the pre-stripping dispersion liquid in embodiment 7 and embodiment 8 is the mixture of deionized water and Virahol The mass ratio is 1:1 mixed pre-stripping dispersion) and the concentration of molybdenum powder in the pre-stripping dispersion is shown in Table 1. The pre-stripping dispersion liquid that is added with molybdenum powder is subjected to first-level water bath ultrasonic, wherein the temperature of first-level water bath ultrasonic (the first-level water bath ultrasonic is referred to as "one super", the temperature here is the temperature value set by the water bath, the actual The temperature of the water bath will fluctuate to a certain extent),...

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Abstract

The invention provides a method for preparing a non-layered molybdenum nanosheet / graphene-based fiber film, comprising the following steps: preparing a pre-stripping dispersion of molybdenum powder, preparing a mixture of molybdenum powder and graphene oxide, and preparing a non-layered molybdenum Nanosheet / graphene oxide dispersion, spinning and post-processing. The preparation method of the non-layered molybdenum nanosheet / graphene-based fiber film of the present invention can not only assist molybdenum powder to be stripped into non-layered molybdenum nanosheets, but also help Non-layered molybdenum nanosheets mixed with graphene oxide. In the spinning process, non-layered molybdenum nanosheets, graphene and carbon black are further loaded onto the fibers, which have the advantages of large specific surface area, strong infrared radiation, high thermal conductivity, good flexibility, and remarkable bending resistance. The invention also provides a non-layer molybdenum nanosheet / graphene-based fiber membrane.

Description

technical field [0001] The present invention relates to the technical field of graphene heating devices, in particular to graphene electrospinning fiber membrane technology, and more specifically to a method for preparing a flexible non-layered molybdenum nanosheet / graphene-based fiber membrane. The non-layered molybdenum nanosheet / graphene-based fiber membrane is prepared by the preparation method of the non-layered molybdenum nanosheet / graphene-based fiber membrane. Background technique [0002] Graphene is a two-dimensional nanomaterial with a hexagonal honeycomb lattice structure formed by carbon atoms through sp2 hybrid orbitals and only one layer of carbon atoms thick. The unique structure of graphene endows it with many excellent properties, such as high theoretical specific surface area (2630m 2 / g), ultra-high electron mobility (~200000cm2 / v.s), high thermal conductivity (5300W / m.K), high Young's modulus (1.0TPa) and high light transmittance (~97.7%), etc. With it...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04H1/413D04H1/4242D04H1/728D01D1/04D01F9/22D01F1/10
CPCD04H1/413D04H1/4242D04H1/728D01D1/04D01F9/22D01F1/10
Inventor 吴立刚叶德林张以河马宇飞李明李正博
Owner 北京康烯科技创新研究有限公司
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