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Method for preparing flaky nickel powder through acid medium

An acidic medium and flake technology, applied in metal processing equipment, coating, transportation and packaging, etc., to achieve the effects of reducing production costs, less environmental pollution, and simple production processes

Inactive Publication Date: 2018-09-07
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, this method has not been reported in the literature

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  • Method for preparing flaky nickel powder through acid medium
  • Method for preparing flaky nickel powder through acid medium
  • Method for preparing flaky nickel powder through acid medium

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Embodiment Construction

[0045] The present invention will be further described in detail below in conjunction with examples. It should be noted that the following are non-limiting examples of the preparation method of flaky nickel powder in an acidic medium according to the present invention, and these examples are provided only to achieve the purpose of further describing the present invention in detail , not to limit the present invention in any form and in essence; it must be pointed out that for those skilled in the art, without departing from the method of the present invention, those skilled in the art can also make some improvements, supplements and optimizations , these improvements, supplements and optimizations should also be regarded as the scope of protection of the present invention; all those skilled in the art, without departing from the scope of the method of the present invention, use the technical solutions and technical content of the present invention to carry out process improveme...

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Abstract

The invention provides a method for preparing flaky nickel powder. The method is characterized in that water, nickel salt, a complexing agent, a nickel plating brightening agent, a dispersing agent, an antioxidant, acid, a flaky acidic compound crystal template and a reducing agent are taken as raw materials, nickel plating is carried out on the surface of the flaky acidic compound crystal template by adopting a chemical plating method until nickel ions react completely, and after the reaction is finished, the flaky nickel powder is directly obtained through a separation and purification treatment and a processing treatment without ball milling. The technical scheme of the method has the advantages that the energy consumption is low, environmental pollution is low, the production process is simple, the process route is short, the investment to the large-scale production equipment is low, the production efficiency is high, the production cost is low, and the dispersion performance and the conductivity of the products are good; and the method is suitable for large-scale production and capable of solving the problems exist in the ball milling process when the ball milling process is used for preparing the flaky nickel powder, and has good industrialization prospect.

Description

technical field [0001] The invention relates to a preparation method of flaky nickel powder in an acidic medium, and belongs to the technical field of preparation of metal powder materials. Background technique [0002] Metal powders are divided into four types according to particle shape: spherical, random particle, flake and wire. Different from spherical metal powder and granular metal powder, flake metal powder has excellent catalytic performance, excellent sintering performance, excellent thixotropic performance, excellent adhesion, good shielding effect, excellent electromagnetic wave reflection ability and excellent Excellent electrical conductivity makes it widely used in chemical catalysis, powder metallurgy, conductive coatings, conductive adhesives, conductive inks and conductive pastes. [0003] At present, spherical metal powders or granular metal powders are mostly used in the fields of chemical catalysis, electromagnetic shielding coatings, radar wave reflect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/24B22F1/02
CPCB22F9/24B22F1/068B22F1/17
Inventor 刘福生马国权党增超
Owner NANJING FORESTRY UNIV
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