Graphene-based metal composite antistatic thin film and preparation method

A graphene and metal-based technology, which is applied in the field of graphene-based metal composite antistatic film and preparation, can solve the problems of poor antistatic performance and uneven dispersion of conductive fillers, and achieve firm bonding, not easy to fall off, and continuous preparation process Effect

Inactive Publication Date: 2018-12-28
CHENDU NEW KELI CHEM SCI CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In view of the fact that conductive fillers such as nano-graphene, which are widely used at present, are used to prepare antistatic films, the conductive fillers are unevenly dispersed and cannot form a closely connected conductive network, resulting in poor antistatic performance. The present invention proposes a graphene-based metal composite antistatic film. Electrostatic film and preparation method, thereby effectively improving the dispersion of graphene in the plastic matrix and improving the antistatic performance of the film

Method used

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  • Graphene-based metal composite antistatic thin film and preparation method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The preparation process is:

[0035] (1) The polymer matrix is ​​heated to melt, then extruded to make a polymer film matrix, and drawn into the vacuum evaporation equipment; the matrix polymer is polyethylene; the vacuum degree of the vacuum evaporation equipment is 0.0006Pa, The pulling surface speed is 3m 2 / min;

[0036] (2) Put a copper source in the evaporation chamber under the film;

[0037] (3) The honeycomb three-dimensional graphene is introduced into the vacuum evaporation equipment at a high speed, and then the copper source is heated and sublimated, and the copper gaseous particles are transported to the surface of the polymer film substrate from the bottom to the top; The feeding speed is 3g / s; the heating temperature of the copper source is 2590℃;

[0038] (4) Using liquid nitrogen quench deposition, metal copper is quenched to fix the honeycomb three-dimensional graphene on the surface of the base film, the three-dimensional graphene overlaps each ot...

Embodiment 2

[0044] The preparation process is:

[0045] (1) The polymer matrix is ​​heated to melt, then extruded to make a polymer film matrix, and pulled into the vacuum evaporation equipment; the matrix polymer is polyethylene; the vacuum degree of the vacuum evaporation equipment is 0.0003Pa, The pulling surface speed is 2m 2 / min;

[0046] (2) Put a copper source in the evaporation chamber under the film;

[0047] (3) The honeycomb three-dimensional graphene is introduced into the vacuum evaporation equipment at a high speed, and then the copper source is heated and sublimated, and the copper gaseous particles are transported to the surface of the polymer film substrate from the bottom to the top; The feeding speed is 3g / s; the heating temperature of the copper source is 2590℃;

[0048] (4) Using liquid nitrogen quench deposition, metal copper is quenched to fix the honeycomb three-dimensional graphene on the surface of the base film, the three-dimensional graphene overlaps each o...

Embodiment 3

[0054] The preparation process is:

[0055] (1) The polymer matrix is ​​heated to melt, then extruded to make a polymer film matrix, and pulled into the vacuum evaporation equipment; the matrix polymer is polyethylene; the vacuum degree of the vacuum evaporation equipment is 0.0001Pa, The pulling surface speed is 2m 2 / min;

[0056] (2) Put a copper source in the evaporation chamber under the film;

[0057] (3) The honeycomb three-dimensional graphene is introduced into the vacuum evaporation equipment at a high speed, and then the copper source is heated and sublimated, and the copper gaseous particles are transported to the surface of the polymer film substrate from the bottom to the top; The feeding speed is 2g / s; the heating temperature of the copper source is 2580℃;

[0058] (4) Using liquid nitrogen quench deposition, metal copper is quenched to fix the honeycomb three-dimensional graphene on the surface of the base film, the three-dimensional graphene overlaps each o...

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Abstract

The invention provides a graphene-based metal composite antistatic thin film and preparation method. The preparation method comprises the following steps that a polymer matrix is heated and melted, and then is extruded to form a polymer thin film matrix; and the polymer thin film matrix is fed into a vacuum evaporation device with a copper source on the lower portion, heating is carried out and honeycomb-shaped three-dimensional grapheme is introduced, liquid nitrogen is then utilized to carry out chilling deposition to form an antistatic layer on the surface of a base film, the evaporation surface is compacted by a synchronous cold roller, and curing is carried out after completion of compacting of the evaporation surface to obtain the graphene-based metal composite antistatic thin film.According to the preparation method, copper is used for fixing the three-dimensional graphene on the surface of the polymer thin film through liquid nitrogen chilling, so that the problems that graphene is prone to agglomerating and difficult to disperse are solved, a conductive network is formed by overlapping each other, an antistatic layer with excellent performance is obtained, the bonding isfirm, falling-off is not prone to occurring, the service life is prolonged, the preparation process can realize continuous and low-cost production, and the preparation method is suitable for industrial production.

Description

technical field [0001] The invention relates to the field of films, in particular to antistatic modification, in particular to a graphene-based metal composite antistatic film and a preparation method. Background technique [0002] When the insulating material is rubbed, it is easy to generate static electricity. The hazards of static electricity are relatively common problems in people's lives. Large ones such as fires and explosions caused by static electricity caused by flammable and explosive materials, and small objects such as dust collection and dirt caused by static electricity, etc., are all related to strings. related to electrical effects. With the development and application of synthetic polymer materials such as plastics, synthetic rubber, and synthetic fibers, in people's lives, the use of insulating materials is becoming more and more extensive, and the hazards of static electricity are also increasing. In order to improve the quality of life, people are beco...

Claims

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Application Information

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IPC IPC(8): C23C14/06C23C14/20C23C14/24C23C14/56C23C14/58C08J7/06C08J5/18C08L23/06C08L23/12C08L27/06C08L27/18C08L27/16C08L81/06C08L25/06C08L79/08C08L61/16
CPCC23C14/20C08J5/18C08J7/06C08J2323/06C08J2323/12C08J2325/06C08J2327/06C08J2327/16C08J2327/18C08J2361/16C08J2379/08C08J2381/06C08K3/042C08K2003/085C23C14/0605C23C14/24C23C14/562C23C14/5806C23C14/5886
Inventor 陈庆昝航
Owner CHENDU NEW KELI CHEM SCI CO LTD
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