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A kind of Schiffer base copper complex modified carbon nanotube and its preparation method and application

A carbon nanotube, copper complex technology, applied in the direction of carbon nanotubes, multi-walled carbon nanotubes, nanocarbons, etc., can solve the problems of complex operation, harsh reaction conditions, few types of chemical functional groups, etc., to reduce environmental pollution, The synthesis method is simple and feasible, and the effect of easy to gather into bundles is improved.

Active Publication Date: 2020-01-14
WUHAN INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the existing modification methods have harsh reaction conditions, complex operations, and fewer types of chemical functional groups that can be used for modification.

Method used

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  • A kind of Schiffer base copper complex modified carbon nanotube and its preparation method and application
  • A kind of Schiffer base copper complex modified carbon nanotube and its preparation method and application
  • A kind of Schiffer base copper complex modified carbon nanotube and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A Schiffer base copper complex modified multi-walled carbon nanotubes, the preparation method comprising the steps of:

[0039]1) Synthesis of Schiffer's base copper complex; mix 0.21mol salicylaldehyde and 60ml absolute ethanol, heat to reflux, slowly add the absolute ethanol solution of o-phenylenediamine dropwise, and control the dropwise addition within 1h, then Insulate and react at 80°C for 2 hours, cool, filter, recrystallize with ethanol, and dry in vacuum to obtain the Schiffer base compound;

[0040] Mix 30ml of absolute ethanol with 15.8g of the obtained Schiffer's base compound, heat to reflux, slowly add a saturated solution of copper acetate in absolute ethanol (containing 9.98g of copper acetate monohydrate), and control the dropwise addition within 2h, then Insulate and react at 85°C for 1 h, then cool and filter, wash with ethanol, and dry in vacuum to obtain the Schiffer's base Cu(II) complex;

[0041] 2) Mix the multi-walled carbon nanotubes in a mix...

Embodiment 2

[0046] A Schiffer base copper complex modified multi-walled carbon nanotubes, the preparation method comprising the steps of:

[0047] 1) Synthesis of Schiff's base copper complex; mix 0.21mol salicylaldehyde and 60ml absolute ethanol, heat to reflux, slowly add 1,6-hexamethylenediamine absolute ethanol solution dropwise, and control the dropwise addition within 1h After completion, heat preservation reaction at 80°C for 2 hours, cooling, filtration, recrystallization with ethanol, and vacuum drying to obtain the Schiff base compound;

[0048] Mix 16.2g of Schiff's base compound obtained by 30ml of absolute ethanol, heat to reflux, slowly add a saturated solution of copper acetate in absolute ethanol (containing 9.98g of copper acetate monohydrate), and control the dropwise addition within 2h, and then Insulated reaction at 85°C for 1 hour, then cooled and filtered, washed with ethanol, and vacuum-dried to obtain the Schiffer's base Cu(II) complex;

[0049] 2) Mix the carbon ...

Embodiment 3-4

[0054] The preparation method of the multi-walled carbon nanotubes modified by Schiffer's alkali copper complexes described in Examples 3-4 is roughly the same as in Example 1, except that the diamine compounds used are ethylenediamine and 1,2- Cyclohexanediamine.

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Abstract

The invention discloses Schiff base metal complex modified carbon nano-tubes. The additive at least comprises a Schiff base copper complex with a structure represented by a general formula (I) shown in the description as a modification compound, and carbon nano-tubes serve as a modified matrix. A preparation method mainly comprises the following steps: 1) synthesis of the Schiff base copper complex, 2) acidizing of the carbon nano-tubes, and 3) ultrasonic compounding treatment and the like of acidized carbon nano-tubes in an acidification THF solution of the Schiff base Cu complex. According to the Schiff base metal complex modified carbon nano-tubes, the condition that the Schiff base copper complex is adopted to carry out surface modification on the carbon nano-tubes is proposed for thefirst time, the weak point that the carbon nano-tubes are prone to aggregated bundled winding, relatively inert in surface, relatively low in dispersity in common organic solvents and the like is improved, and the applicability of the carbon nano-tubes in the fields of lubricating oil additives and polymeric wear-resistant material additives is improved; and the involved raw materials are simple in source, the preparation process is simple, and the cost is low, so that the carbon nano-tubes are applicable to popularization and application.

Description

technical field [0001] The invention belongs to the technical field of lubricating oil additives, and in particular relates to a Schiffer's alkali copper complex modified carbon nanotube and its preparation method and application. Background technique [0002] As a one-dimensional nanomaterial, carbon nanotubes are light in weight, perfectly connected in a hexagonal structure, and have many special mechanical, electrical and chemical properties. In recent years, with the in-depth research on carbon nanotubes and nanomaterials, their broad application prospects have been continuously shown. Using the excellent properties of carbon nanotubes, many composite materials with excellent performance can be produced. For example, plastics reinforced with carbon nanotube materials have excellent mechanical properties, good electrical conductivity, corrosion resistance, and can shield radio waves. The ceramic composite material reinforced with carbon nanotubes has the advantages of h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B32/168C10M125/02C10N30/06
CPCC01B2202/06C01B2202/30C01B2202/34C01B2202/36C10M125/02C10M2201/041C10M2201/14C10N2030/06
Inventor 吴莉左波常彩珠张丹
Owner WUHAN INSTITUTE OF TECHNOLOGY
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