Antistatic graphene-coated aluminum microsphere modified PP composite material and preparation method thereof

A graphene coating and composite material technology, applied in the field of antistatic PP composite materials, can solve the problems of unsatisfactory antistatic effect of antistatic PP composite materials, limited application scope of materials, insufficient strength, etc., and achieve excellent antistatic properties. effect, the effect of improving antistatic effect and excellent mechanical properties

Active Publication Date: 2021-04-16
东莞市三至新材料技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the antistatic effect of the antistatic PP composite material is not ideal, and the insufficient strength also limits the application range of the material.

Method used

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  • Antistatic graphene-coated aluminum microsphere modified PP composite material and preparation method thereof
  • Antistatic graphene-coated aluminum microsphere modified PP composite material and preparation method thereof
  • Antistatic graphene-coated aluminum microsphere modified PP composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] This embodiment provides an antistatic graphene-coated aluminum microsphere modified PP composite material, including the following raw materials in parts by weight: PP: 55 parts; talcum powder: 25 parts; conductive powder: 20 parts; coupling agent : 8 parts; Lubricant: 1.5 parts; Antioxidant: 1.0 parts.

[0034] Wherein, the conductive powder is a mixed powder of graphene-coated aluminum microspheres prepared by a typical molecular-level mixing method, and the mass fraction of aluminum is 10%.

[0035] Further, the preparation method of the conductive powder is as follows: graphene pretreatment: take the graphene powder, disperse it in water, and then ultrasonicate the aqueous solution for 120 minutes to obtain a graphene sol;

[0036] Preparation of conductive powder of graphene-coated aluminum microspheres: disperse aluminum acetate in ammonia water (analytical pure) to obtain aluminum hydroxide sol; add the graphene sol obtained in step (1) to the sol, and process i...

Embodiment 2

[0046] This embodiment provides an antistatic material of graphene-coated aluminum microspheres modified PP, including the following raw materials in parts by weight: PP: 65 parts; talcum powder: 20 parts; conductive powder: 15 parts; coupling agent: 6 parts; lubricant: 1.2 parts; antioxidant: 0.8 parts.

[0047] Wherein, the conductive powder is a mixed powder of graphene-coated aluminum microspheres prepared by a typical molecular-level mixing method, and the mass fraction of aluminum is 10%.

[0048] Further, the preparation method of the conductive powder is as follows: graphene pretreatment: take the graphene powder, disperse it in water, and then ultrasonicate the aqueous solution for 120 minutes to obtain a graphene sol;

[0049] Preparation of conductive powder of graphene-coated aluminum microspheres: disperse aluminum acetate in ammonia water (analytical pure) to obtain aluminum hydroxide sol; add the graphene sol obtained in step (1) to the sol, and process it under...

Embodiment 3

[0059] This embodiment provides an antistatic material of graphene-coated aluminum microspheres modified PP, including the following raw materials in parts by weight: PP: 70 parts; talcum powder: 16 parts; conductive powder: 14 parts; coupling agent: 5 parts; lubricant: 0.9 parts; antioxidant: 0.6 parts.

[0060] Wherein, the conductive powder is a mixed powder of graphene-coated aluminum microspheres prepared by a typical molecular-level mixing method, and the mass fraction of aluminum is 10%.

[0061] Further, the preparation method of the conductive powder is as follows: graphene pretreatment: take the graphene powder, disperse it in water, and then ultrasonicate the aqueous solution for 120 minutes to obtain a graphene sol;

[0062] Preparation of conductive powder of graphene-coated aluminum microspheres: disperse aluminum acetate in ammoniacal liquor (analytical pure) to obtain aluminum hydroxide sol; add the graphene sol that step (1) obtains to this sol, process 50 und...

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Abstract

The invention relates to an antistatic PP composite material, in particular to an antistatic graphene-coated aluminum microsphere modified PP composite material and a preparation method thereof. The antistatic graphene-coated aluminum microsphere modified PP composite material is prepared from the following raw materials in parts by weight: 55-75 parts of PP, 10-20 parts of talcum powder, 5-20 parts of conductive powder, 2-8 parts of a coupling agent, 0.5-1.5 parts of a lubricant and 0.3-1.0 part of an antioxidant; the conductive powder is a conductive mixture of graphene-coated aluminum microspheres prepared by a typical molecular level mixing method. According to the invention, a mixture of graphene-coated aluminum microspheres prepared by a typical molecular-level mixing method is selected as the conductive powder, wherein the graphene-coated aluminum microspheres have relatively high conductivity just by adding a small amount of the conductive powder; meanwhile, a small amount of talcum powder is selected as a blend, so that the tensile strength, the impact strength and the thermal deformation temperature of the composite material can be improved, and finally, the novel PP composite material with excellent mechanical properties and an antistatic effect is prepared.

Description

technical field [0001] The invention relates to an antistatic PP composite material, in particular to an antistatic graphene-coated aluminum microsphere-modified PP composite material and a preparation method. Background technique [0002] With the advancement of science and technology and the rapid development of the material industry, the requirements for the performance of antistatic materials are getting higher and higher. Because the electrical properties of polymer materials are significantly better than other materials, antistatic polymer materials are favored. Polypropylene is a thermoplastic resin obtained through the polymerization of propylene, referred to as PP. PP is a crystalline high polymer, which has the characteristics of light weight, low price, non-toxic and tasteless. PP material has the following advantages: (1) The relative density is small, only 0.89-0.91, which is one of the lightest plastics. (2) Good mechanical properties, high strength, hardness...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/14C08K9/10C08K3/08C08K3/04C08K3/34
Inventor 黄卫忠
Owner 东莞市三至新材料技术有限公司
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