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Bucky paper electrocaloric effect-based fusion method and composite material thereof

A technology of carbon nano paper and composite materials, which is applied in the direction of bonding methods such as adhesive heating, can solve the problems of solvent volatilization pollution, slow preparation speed, and high energy consumption, and achieves simple preparation methods, fast preparation speeds, and low energy consumption. small effect

Active Publication Date: 2015-02-04
KUNMING NATAI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the RTM process has the disadvantages of high energy consumption, slow preparation speed, high cost, and the solvent-dissolved polymer also has the defects of solvent volatilization pollution.

Method used

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  • Bucky paper electrocaloric effect-based fusion method and composite material thereof
  • Bucky paper electrocaloric effect-based fusion method and composite material thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The magnesium-aluminum alloy sheet and the carbon nano-paper are laminated alternately, so that the whole is in a vacuum environment, and the carbon nano-paper is energized to reach 500°C, kept for 1 minute, and naturally cooled to obtain a carbon nano-reinforced magnesium-aluminum alloy composite material.

Embodiment 2

[0042] Attach a layer of polypropylene film to the carbon nano-paper, heat the carbon nano-paper to 170°C, apply a certain pressure between the polypropylene film and the carbon nano-tube paper, keep it for 5 seconds, and cool naturally to obtain Single sided polypropylene composite carbon nano paper.

Embodiment 3

[0044] Alternately stick high-density polyethylene sheets and carbon nano papers in multiple layers so that the whole is in a vacuum environment, heat the carbon nano papers to 140°C, and apply a certain amount of pressure between the high density polyethylene sheets and carbon nano papers Pressure, hold for 20 seconds, natural cooling, carbon nano-reinforced high-density polyethylene composite.

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Abstract

The invention discloses a bucky paper electrocaloric effect-based fusion method and a composite material thereof. The fusion method comprises following steps: bucky paper is contacted with a base material used for hot melting, and then is electrified and heated, and cooled and shaped. The composite material prepared by using the fusion method has a fusion structure of the base material and bucky paper. Full advantage of the excellent bucky paper electrocaloric effect is taken; the fusion method is simple; no pollution is caused; energy consumption is less; and preparation speed is fast. The dispersity of the composite material and carbon nano-materials (carbon nano-tube, carbon nanofiber, and graphene) prepared by the fusion method is high.

Description

technical field [0001] The invention relates to the application field of carbon nano paper, in particular to a bonding method based on the electrothermal effect of carbon nano paper and a composite material thereof. Background technique [0002] Carbon nanotubes and carbon nanofibers are often added to other materials to make carbon nano-reinforced materials because of their one-dimensional nanoscale structure, light weight, excellent electrical and thermal conductivity, and excellent mechanical strength. For example, mixed with organic polymers to make carbon nano-organic composite materials, its performance is comparable to that of the original polymer, while its weight is still very light. Organic composite materials doped with carbon nanotubes or carbon nanofibers can be widely used in fields such as electromagnetic shielding, high vibration damping materials, and high-conductivity high-strength polymer fibers. For example, the open journal Materials Science and Enginee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J5/06
Inventor 肖辉孙力刘铸
Owner KUNMING NATAI TECH CO LTD
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