Amino-modified grapheme / graphene MoSe2 / bismaleimide composite material and preparation method thereof

A bismaleimide, amino modification technology, applied in the field of advanced composite material science, can solve the problems of poor resin matrix compatibility, poor dispersion of graphene nanoparticles, etc., and achieve good friction reduction and wear resistance, good interface bonding The effect of enhancing the interfacial bonding strength

Inactive Publication Date: 2018-10-12
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
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Problems solved by technology

[0006] In order to avoid the deficiencies of the prior art, the present invention proposes an amino-modified graphene / graphene-like MoSe 2 / Bismaleimide composite material and preparation method, solve the problems of poor dispersion of graphene nanoparticles in solvent and poor compatibility with resin matrix

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  • Amino-modified grapheme / graphene MoSe2 / bismaleimide composite material and preparation method thereof
  • Amino-modified grapheme / graphene MoSe2 / bismaleimide composite material and preparation method thereof
  • Amino-modified grapheme / graphene MoSe2 / bismaleimide composite material and preparation method thereof

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Embodiment Construction

[0021] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:

[0022] The technical scheme adopted in the present invention is:

[0023] First, the surface of graphene oxide was modified with silane coupling agent KH-550 to bring active amino groups, and then it was combined with Na 2 MoO 4 2H 2 O and dissolved in appropriate amount of N 2 h 4 ·H 2 The selenium powder of O was mixed evenly, and amino-modified graphene / graphene-like molybdenum diselenide nanocomposite particles (NH 2 -rGO / MoSe 2 ). Finally, 0.1-10 parts of amino-modified graphene / graphene-like MoSe 2, 30-70 parts of diphenylmethane type bismaleimide and 30-70 parts of diallyl bisphenol A are prepared by casting molding method.

[0024] The preparation method comprises the following steps:

[0025] The first step is to use silane coupling agent KH-550 to modify the surface of graphene oxide (GO) to bring active amino groups, labeled as NH 2 -GO.

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Abstract

The invention relates to an amino-modified grapheme / graphene MoSe2 / bismaleimide composite material and a preparation method thereof, and belongs to the technical field of advanced composite materials. Firstly, the surface of the graphene oxide is modified by using a silane coupling agent KH-550 to carry an active amino group, and then is mixed with the Na2MoO4 2H2O and the selenium powder dissolved in N2H4 H2O, and the amino-modified graphene / graphene molybdenum diselenide nano composite particle is prepared by a one-pot hydrothermal method. And finally, the prepared nano composite particles are mixed with the diphenylmethane-type bismaleimide and the diallyl bisphenol A in a certain proportion to prepare the composite material. The prepared composite material has good interface bonding strength, excellent mechanical property and tribological performance.

Description

technical field [0001] The invention belongs to the field of science and technology of advanced composite materials, and relates to an amino-modified graphene / graphene-like MoSe 2 / bismaleimide composite material and preparation method. Background technique [0002] Bismaleimide (BMI) resin has the characteristics of low price and good thermal stability, and is usually used as the resin matrix of high-performance composite materials. It is widely used in important fields such as aviation, transportation, machinery, and electronics. However, the cross-linking density of bismaleimide itself is relatively high, so it is particularly brittle after curing, and it is easy to produce some microcracks during the friction process, which greatly limits the use of bismaleimide resin as an anti-friction resistant material. Abrasive materials are used in many fields. Recently, studies have found that adding nanoparticles to the resin matrix can effectively enhance the friction perfor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L35/00C08K9/06C08K9/02C08K3/04C08F212/34C08F222/40
CPCC08F212/34C08F222/40C08K3/042C08K9/02C08K9/06C08K2201/011C08L35/00
Inventor 颜红侠陈争艳郭留龙李林杨鹏飞
Owner NORTHWESTERN POLYTECHNICAL UNIV
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