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Carbon nanotube antistatic material, slurry, film and preparation method of film

A carbon nanotube and antistatic technology, which is applied in the field of antistatic film, can solve the problems of poor conductivity and poor dispersion effect, and achieve the advantages of avoiding the influence of adhesion and surface resistivity, excellent heat dissipation performance and simple process Effect

Inactive Publication Date: 2019-10-18
SHENZHEN XIWAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a method for preparing a carbon nanotube antistatic film, which aims to solve the problem of poor dispersion effect of the existing method for preparing a carbon nanotube antistatic film, often requiring the addition of a dispersant, poor electrical conductivity, etc. technical problem

Method used

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  • Carbon nanotube antistatic material, slurry, film and preparation method of film
  • Carbon nanotube antistatic material, slurry, film and preparation method of film
  • Carbon nanotube antistatic material, slurry, film and preparation method of film

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preparation example Construction

[0045] The embodiment of the present invention provides a method for preparing a carbon nanotube antistatic film, comprising the following steps:

[0046] S10. Obtain carbon nanotubes with a tube length of 100-500 microns, a resin, and a solvent, and uniformly mix the carbon nanotubes, the resin, and the solvent to obtain a carbon nanotube resin mixture;

[0047] S20. Grinding the carbon nanotube resin mixture to obtain a grinding product;

[0048] S30. Obtain a curing agent, add the curing agent to the grinding product, and prepare a carbon nanotube antistatic slurry with a solid content of 70-85%;

[0049] S40. Making the carbon nanotube antistatic slurry into a carbon nanotube antistatic film.

[0050] The preparation method of the carbon nanotube antistatic film provided by the embodiment of the present invention uses carbon nanotubes with a tube length of 100-500 microns, resin, curing agent and solution as raw materials, wherein the long-chain carbon nanotubes with a tu...

Embodiment 1

[0085] The embodiment of the present invention provides an antistatic film with a carbon nanotube content of 0.01%, which is prepared by the following steps:

[0086] S10. Take 0.015g (0.01%) of 200 μm long multi-walled carbon nanotubes by weighing, join in the epoxy resin of 100g, add 12.5g of acetone solvent, put into the beaker, adopt magnetic stirring evenly, the stirring time here is 30min Left and right, the naked eye looks uniform, and the carbon nanotube resin mixture is obtained.

[0087] S20. Put the uniformly mixed carbon nanotube resin mixture into a three-roll mill, first adjust the gap between the three rolls to 30 μm and run for 5 minutes; then, adjust the gap to 0 μm and run 30 times; finally, adjust the gap to 5 μm and run for 10 minutes, A ground product is obtained.

[0088] S30. Add 10 g of triethylenetetramine curing agent and 27.5 g of acetone solvent to the ground product. Prepare a carbon nanotube / resin mixture with a solid content of 80%, and defoam ...

Embodiment 2

[0091] The embodiment of the present invention provides an antistatic film with a carbon nanotube content of 0.03%, which is prepared by the following steps:

[0092] S10. Take 0.045g (0.03%) of 200 μm long multi-walled carbon nanotubes by weighing, join in the epoxy resin of 100g, add 12.5g of acetone solvent, put into the beaker, adopt magnetic stirring evenly, the stirring time here is 30min Left and right, the naked eye looks uniform, and the carbon nanotube resin mixture is obtained.

[0093] S20. Put the uniformly mixed carbon nanotube resin mixture into a three-roll mill, first adjust the gap between the three rolls to 30 μm and run for 5 minutes; then, adjust the gap to 0 μm and run 30 times; finally, adjust the gap to 5 μm and run for 10 minutes, A ground product is obtained.

[0094] S30. Add 10 g of triethylenetetramine curing agent and 27.5 g of acetone solvent to the ground product. Prepare a carbon nanotube / resin mixture with a solid content of 80%, and defoam ...

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Abstract

Belonging to the technical field of antistatic films, the invention in particular relates to a carbon nanotube antistatic film and a preparation method thereof. The method includes: acquiring carbon nanotubes with a tube length of 100-500 microns, resin and a solvent, mixing the carbon nanotubes, the resin and the solvent evenly to obtain a carbon nanotube resin mixture; performing roller type grinding treatment on the carbon nanotube resin mixture to obtain a grinding product; acquiring a curing agent and the solvent, adding the curing agent and the solvent into the grinding product to prepare a carbon nanotube antistatic slurry with a solid content of 70-85%; and making the carbon nanotube antistatic slurry into a carbon nanotube antistatic film. The preparation process adopted by the invention can enable uniform dispersion of long chain carbon nanotubes in the slurry without additional dispersant, thus avoiding the influence of dispersant on film adhesion and surface resistivity. Also, the preparation method has a simple process, and is suitable for industrial production.

Description

technical field [0001] The invention belongs to the technical field of antistatic films, and in particular relates to a carbon nanotube antistatic film and a preparation method thereof, a carbon nanotube antistatic material, and a carbon nanotube antistatic slurry. Background technique [0002] With the advancement of science and technology, a large number of polymer materials are constantly emerging. In people's production and life, polymer material products are widely used in many daily necessities, such as various food packaging, electronic devices, etc., thus greatly improving people's production and quality of life. However, since most polymer films have excellent insulating properties and poor conductivity, the electrostatic charge generated by friction cannot be removed in time during production and transportation, resulting in the accumulation of charges, and the harm of electrostatic accumulation is becoming increasingly prominent. The electrostatically adsorbed du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/18C08L63/00C08K3/04
CPCC08J5/18C08J2363/00C08K3/041C08K2201/011C08K2201/017C08K2201/004
Inventor 邓飞
Owner SHENZHEN XIWAN TECH CO LTD
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