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A conductive polymer composite material under the action of a magnetic field and its preparation method

A technology of conductive polymer and composite material, applied in the field of conductive polymer composite material and its preparation under the action of a magnetic field, can solve the problem that the conductive performance of the conductive polymer composite material needs to be further improved, and achieves increased conductivity, reduced cost, and improved operation. simple effect

Active Publication Date: 2021-08-31
JIANGHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the process of realizing the present invention, the inventors found that there are at least the following problems in the prior art: the compatibility between the conductive additive and the polymer material matrix and the conductivity of the obtained conductive polymer composite material need to be further improved

Method used

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  • A conductive polymer composite material under the action of a magnetic field and its preparation method
  • A conductive polymer composite material under the action of a magnetic field and its preparation method
  • A conductive polymer composite material under the action of a magnetic field and its preparation method

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preparation example Construction

[0027] According to the first aspect of the present invention, an embodiment of the present invention provides a method for preparing a conductive polymer composite material under the action of a magnetic field, comprising the following steps:

[0028] (1) Take 0.1-0.3g of nickel powder and pyrrole monomer, add 30-50mL of ethanol aqueous solution and 0.1-0.3g of sodium chloride, stir evenly, and then energize pyrrole to polymerize, and obtain polypyrrole-coated nickel particles after purification, wherein, The molar ratio of nickel powder to pyrrole monomer is (1:1)-(1:3), and the ethanol aqueous solution is obtained by mixing water and ethanol with a volume ratio of (1:1)-(1:3);

[0029] (2) After mixing polyurethane acrylate resin, diethylene glycol monovinyl ether, 2-hydroxyl-2-methylpropiophenone and the polypyrrole-coated nickel particles, place them in a magnetic field with a strength of 0.01-0.03T In the magnetic field, the urethane acrylate resin is cured with ultravio...

Embodiment 1

[0048] Embodiment 1: Prepare conductive polymer composite material with polyurethane acrylate resin and polypyrrole-coated nickel particles

[0049] (1) Put nickel powder with a particle size of 0.1-1mm and pyrrole monomer in a molar ratio of 1:1. Take 0.3g of nickel powder and pyrrole monomer in a beaker, add 50mL of ethanol aqueous solution with a volume ratio of water and ethanol of 1:1 , and then add 0.2g of sodium chloride, stir evenly and the current density is 2.0mA·cm -2 Direct current for 10 minutes, take out the composite material, add ethanol and centrifuge, take the solid and place it in an oven at 80°C to dry to obtain polypyrrole-coated nickel particles.

[0050](2) Get 3g polyurethane acrylate resin in the beaker, then take the quality of polyurethane acrylic resin as a benchmark, add 10% diethylene glycol monovinyl ether, 5% 2-hydroxyl-2-methylpropiophenone, 1 % of the polypyrrole-coated nickel particles prepared in step (1), stirred evenly, placed in a magnet...

Embodiment 2

[0057] Example 2: Preparation of conductive polymer composite material with polyurethane acrylate resin and polypyrrole-coated nickel particles

[0058] (1) Put nickel particles with a particle size of 0.1-1mm and pyrrole monomer in a molar ratio of 1:3 to take 0.3g of nickel powder and pyrrole monomer in a beaker, add 50mL of ethanol aqueous solution with a volume ratio of water and ethanol of 1:1 , and then add 0.2g of sodium chloride, stir evenly and the current density is 2.0mA·cm -2 Direct current for 10 minutes, take out the composite material, add ethanol and centrifuge, take the solid and place it in an oven at 80°C to dry to obtain polypyrrole-coated nickel particles.

[0059] (2) Get 3g polyurethane acrylate resin in the beaker, then take the quality of polyurethane acrylic resin as a benchmark, add 10% diethylene glycol monovinyl ether, 5% 2-hydroxyl-2-methylpropiophenone, 1 % of polypyrrole-coated nickel particles prepared in the first step, stirred evenly, placed...

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Abstract

The invention provides a conductive polymer composite material under the action of a magnetic field and a preparation method thereof. The preparation method can effectively improve the conductivity of the obtained conductive polymer composite material. The preparation method includes the following steps: (1) Take 0.1-0.3g of nickel powder and pyrrole monomer, add 30-50mL of ethanol aqueous solution and 0.1-0.3g of sodium chloride, stir evenly, then energize pyrrole to polymerize, and obtain poly Pyrrole-coated nickel particles, wherein the molar ratio of nickel powder to pyrrole monomer is (1:1) to (1:3); (2) polyurethane acrylate resin, diethylene glycol monovinyl ether, 2-hydroxy ‑2‑methylpropiophenone and the polypyrrole-coated nickel particles are uniformly mixed and then placed in a magnetic field with a magnetic field strength of 0.01‑0.03T, and the polyurethane acrylate resin is cured with ultraviolet light to obtain the conductive polymer composite Material.

Description

technical field [0001] The invention relates to the technical field of functional conductive materials, in particular to a conductive polymer composite material under the action of a magnetic field and a preparation method thereof. Background technique [0002] Traditionally, conductive polymer composites have been developed by using an inherently conductive polymer or by adding conductive materials such as nickel, silver, and carbon materials. However, the high cost of limited conductive polymers hinders their practical application. Compared with intrinsic conductive polymers, the addition of conductive additives can reduce costs, and conductive additives are more abundant than intrinsic conductive polymers. Most conductive additives such as nickel nanoparticles are used as additives to improve the conductivity of polymer materials because of their good electronic conductivity. Unfortunately, the addition of nickel usually requires a very high load to obtain conductivity. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L75/14C08L79/04C08K13/06C08K9/10C08K3/08H01B1/12H01B1/02
Inventor 汤舜赵金星梁济元曹元成
Owner JIANGHAN UNIVERSITY
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