Modified nano carbon material, carbon material/polymer composite material and preparation method thereof

A technology of nano-carbon materials and composite materials, which is applied in the field of modified carbon materials, carbon materials/polymer composite materials and their preparation, can solve the problems of poor dispersion and compatibility of nano-carbon materials, and achieve improved mechanical properties and thermal properties. Effects of stability, method simplicity, and low permeation threshold

Inactive Publication Date: 2016-10-12
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The first purpose of the present invention is to provide a modified carbon material with a wide range of application to solve the problems of poor dispersion and compatibility of existing nano-carbon materials in polymer matrices

Method used

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  • Modified nano carbon material, carbon material/polymer composite material and preparation method thereof
  • Modified nano carbon material, carbon material/polymer composite material and preparation method thereof
  • Modified nano carbon material, carbon material/polymer composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The modified carbon material provided in this example includes a polycyclic aromatic hydrocarbon-terminated polymer containing a functional group and a carbon nanomaterial, and the polycyclic aromatic hydrocarbon-terminated polymer containing a functional group and the carbon nanomaterial are dispersed in an organic solvent .

[0052] The preparation method of the modified carbon material provided by this embodiment comprises the following steps:

[0053] Add functional group-containing polycyclic aromatic hydrocarbons into the polymer, and react to obtain functional group-containing polycyclic aromatic hydrocarbon-terminated polymers; then disperse the functional group-containing polycyclic aromatic hydrocarbon-terminated polymers and carbon materials in organic solvents to obtain modified carbon materials.

[0054] The carbon material / polymer composite material provided in this embodiment includes the above-mentioned modified carbon material and polymer.

[0055] Th...

Embodiment 2

[0058] The modified carbon material provided in this embodiment includes perylene anhydride-capped polyisoprene (PBIPI) and nano-graphite material, and the PBIPI and nano-graphite material are dispersed in tetrahydrofuran.

[0059] Specifically, the preparation method of the modified carbon material provided in this embodiment includes the following steps:

[0060] S21. Using butyl lithium to initiate the polymerization of isoprene monomer to obtain a polymer, and then adding perylene anhydride to the polymer, and reacting at 60° C. for 5 hours to obtain perylene anhydride-capped polyisoprene ( PBIPI);

[0061] S22. Add PBIPI and nano-carbon material into tetrahydrofuran, stir at room temperature for 3 hours, centrifuge, remove the lower precipitate and re-add it into tetrahydrofuran for dispersion, repeat 3 times, and obtain the modified carbon material.

[0062] The carbon material / polymer composite material provided in this embodiment includes the above-mentioned modified ...

Embodiment 3

[0066] The modified carbon material provided in this embodiment includes perylene anhydride-capped polypiperylene (PBIPPD) and nano-graphite material, and the PBIPPD and nano-graphite material are dispersed in tetrahydrofuran.

[0067] Specifically, the preparation method of the modified carbon material provided in this embodiment includes the following steps:

[0068] S31. Using butyl lithium to initiate the polymerization of piperylene monomer to obtain a polymer, and then adding perylene anhydride to the polymer, and reacting at 60° C. for 5 hours to obtain perylene anhydride-terminated polypiperylene ( PBIPPD);

[0069] S32. Add PBIPPD and nano-carbon material into tetrahydrofuran, stir at room temperature for 7 hours, centrifuge, remove the lower precipitate and re-add it into tetrahydrofuran for dispersion, repeat 5 times, and obtain the modified carbon material.

[0070] The carbon material / polymer composite material provided in this embodiment includes the above-menti...

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Abstract

The invention provides a modified nano carbon material, a carbon material / polymer composite material and a preparation method thereof. According to the preparation method, under the action of a non covalent bond, a nano carbon material is subjected to surface modification on, so that, the dispersity of the nano carbon material on a polycyclic aromatic hydrocarbon end-sealed polymer and the computability with the polymer can be improved, the interface action force of the nano carbon material and the polymer can be increased, and furthermore the mechanical property of the carbon material / polymer composite material can be remarkably improved. Meanwhile, the carbon material / polymer composite material is good in conductivity and relatively low in percolation threshold. The modified nano carbon material, the carbon material / polymer composite material and the preparation method have the advantages that the polycyclic aromatic hydrocarbon end-sealed polymer has a florescent property, the structural completeness of the nano carbon material can be kept, the prepared polycyclic aromatic hydrocarbon end-sealed polymer is excellent in property, and the preparation method is convenient, simple, low in cost and applicable to a wide range, and moreover, industrialization can be easily achieved.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to a modified carbon material, a carbon material / polymer composite material and a preparation method thereof. Background technique [0002] Among the existing carbon materials, graphene, fullerene, and carbon nanotubes have rich and novel physical properties, such as graphene film, whose conductivity is 2.8×10 7 S / m, with excellent thermal conductivity, the carrier mobility of graphene at room temperature is 100 times that of silicon (electron mobility can reach 2×10 5 cm 2 / (V·S). Graphene is extremely thin and light, with a thickness of 0.34nm and a specific surface area of ​​up to 2630m 2 / g, and the mechanical properties of graphene are also extremely strong: the tensile modulus is 1.01TPa, and the ultimate strength is 116Gpa, which is an ideal additive for nanocomposite materials. [0003] However, the surface of graphene, fullerene, and carbon nanotubes produced by the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L53/02C08K9/08C08K3/04
CPCC08K9/08C08K3/04C08K2201/001C08K2201/011C08L53/02
Inventor 徐伟箭欧恩才潘武何莉张杰熊远钦
Owner HUNAN UNIV
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