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Preparation method of composite material

A composite material and non-metallic material technology, applied in the field of composite material preparation, can solve the problems of poor appearance and visual effect, single product form, etc.

Active Publication Date: 2017-11-07
SUZHOU GUANJIE NANO ANTI BACTERIAL COATING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The patent application number PCT / US2007 / 061862 discloses a method of using natural fibers (plant fibers) or animal fibers to prepare carbon-coated metal materials, and impregnating the natural fibers (plant fibers) or animal fibers into the coated metal ions In the solution, the fiber is carbonized by heating to obtain a carbon-coated metal material. The product obtained by this preparation method has a single form, only nano-particles or sponge-like, and the metal loses its original metallic color after being coated, resulting in poor appearance and visual effects ( If it is prepared with absorbent cotton, it will be in the form of black cotton wool)

Method used

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  • Preparation method of composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0116] Weigh 5g of nano-copper powder (particle size about 50nm) and place it in a muffle furnace, raise the temperature to 300°C at a rate of 10°C / min in the air, keep it warm for 1h, and take it out after natural cooling to obtain oxidized nano-copper powder for later use .

[0117] Place 5g of absorbent cotton in an oven at 60°C, dry overnight, and set aside. 1.9513g of copper sulfate pentahydrate (mass ratio of copper ion to absorbent cotton is 1:10) was prepared into an aqueous solution, mixed evenly with absorbent cotton, and left overnight, so that the absorbent cotton and copper sulfate pentahydrate solution were fully mixed and evenly adsorbed.

[0118] Put the oxidized nano-copper powder and the absorbent cotton with copper sulfate pentahydrate adsorbed into the alumina crucible, put them into the tube furnace in turn, pass nitrogen, the gas flow is 100cc / min, and the temperature is raised to 390 at a rate of 10℃ / min. ℃, keep warm for 1h, take out the crucible after t...

Embodiment 2

[0121] Put 10g of absorbent cotton in an oven at 60°C, dry overnight, and set aside. 1.9513g of copper sulfate pentahydrate (mass ratio of copper ions to absorbent cotton is 1:20) is configured into an aqueous solution, mixed with absorbent cotton evenly, and left overnight, so that the absorbent cotton and copper sulfate pentahydrate solution are fully mixed and evenly adsorbed.

[0122] Put 5g of micron copper powder and absorbent cotton adsorbed with copper sulfate pentahydrate into an alumina crucible, put them into a tube furnace one by one, pass nitrogen gas at a flow rate of 100cc / min, and raise the temperature to 390 at a rate of 10°C / min. ℃, keep warm for 1h, take out the crucible after the furnace cools down, and obtain the composite material of carbon-based compound-coated copper.

[0123] Figure 7 It is the TEM picture of the original micron copper powder. It can be seen from the figure that the micron copper powder is in the shape of an irregular strip, with a w...

Embodiment 3

[0125] Put 10g of absorbent cotton in an oven at 60°C, dry overnight, and set aside. 1.9513g of copper sulfate pentahydrate (mass ratio of copper ions to absorbent cotton is 1:20) is configured into an aqueous solution, mixed with absorbent cotton evenly, and left overnight, so that the absorbent cotton and copper sulfate pentahydrate solution are fully mixed and evenly adsorbed.

[0126] Place a stainless steel sheet about the size of a coin in an acetone solution for ultrasonication to remove impurities on its surface, rinse it with absolute ethanol and dry it for later use.

[0127] Place the stainless steel sheet and the absorbent cotton adsorbed with the copper sulfate pentahydrate aqueous solution together in an alumina crucible, place the crucible in a tube furnace, let the air flow pass through the absorbent cotton and the stainless steel sheet in turn, and pass nitrogen at a flow rate of 100cc / min. Raise the temperature to 390°C at a rate of 10°C / min, keep it warm for...

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Abstract

The invention provides a preparation method of a composite material with characteristics of simple preparation method and high universality. The preparation method comprises: placing one or a plurality of materials selected from a metal oxide, an elementary metal, an alloy and a nonmetal material in mixed gas generated through pyrolysis of plant fibers, and placing at a temperature of 200-990 DEG C to make the surface of one or a plurality of the materials be coated with a carbon-based compound layer so as to obtain the composite material, wherein the plant fibers uniformly adsorb metal ions. According to the present invention, based on the technology in the prior art, the preparation method of the present invention has the following characteristics that the oxide of the metal is reduced by the reducing atmosphere generated through the pyrolysis of the plant fibers, and the carbon-based compound layer is deposited on the surface so as to produce the carbon-based compound coated metal structure, or the reducing atmosphere generated through the pyrolysis of the plant fibers and the elementary metal, the alloy or the nonmetal material directly form the carbon-based compound coated composite material.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to a preparation method of a carbon-based compound-coated composite material. Background technique [0002] Since carbon-coated metal nanoparticles were prepared by arc method in 1993, carbon-coated lanthanum carbide particles have become one of the research hotspots of scientists worldwide because of their unique morphological structure and properties. It has excellent properties that cannot be compared with conventional materials, such as stability, synergy, etc., so it is widely used in lithium-ion batteries, supercapacitors, photocatalysis and other fields. In addition, due to the existence of the carbon coating layer, it is expected to improve the compatibility between some metals and organisms, so it has broad application prospects in medicine. [0003] At present, the main methods for preparing carbon-coated metal composites include arc discharge method, chemical vapor dep...

Claims

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Application Information

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IPC IPC(8): H01M4/36H01M4/583H01M4/62H01G11/32H01G11/26H01G11/86
CPCH01G11/26H01G11/32H01G11/86H01M4/366H01M4/583H01M4/625Y02E60/10
Inventor 李世伟连崑张慧宋时雪宗平
Owner SUZHOU GUANJIE NANO ANTI BACTERIAL COATING TECH CO LTD
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