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Corrosion-resistant magnetic composite and preparation method thereof

A magnetic composite material and corrosion-resistant technology, applied in the direction of magnetism of organic materials/organic magnetic materials, etc., can solve the problems of poor corrosion resistance of magnetic materials, and achieve the effects of improved service life, good corrosion resistance and good application value.

Inactive Publication Date: 2016-01-06
SUZHOU KUANWEN ELECTRONICS SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved is: in order to improve the problem of poor corrosion resistance of magnetic materials, provide a corrosion-resistant magnetic composite material and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for preparing a corrosion-resistant magnetic composite material, comprising the following steps:

[0019] Step (1): Weigh each raw material by parts by weight: by parts by weight: 28 parts of nickel oxide, 13 parts of tricobalt tetroxide, 4 parts of polyphenylene sulfide, 4 parts of polypyrrole, 2 parts of phenolic resin, ferric chloride 1 part, 2 parts of attapulgite, 2 parts of bismuth oxide, 3 parts of barium petroleum sulfonate, 1 part of dicumyl peroxide, 0.2 part of aminopropyltriethoxysilane and 0.5 part of surfactant; the surface The active agent is octadecyl dimethyl betaine;

[0020] Step (2): Mix polyphenylene sulfide, polypyrrole, phenolic resin, ferric chloride and aminopropyltriethoxysilane for 10 minutes to obtain a mixed solution;

[0021] Step (3): Put nickel oxide, cobalt tetroxide, attapulgite and bismuth oxide in a ball mill, and ball mill and mix for 15 minutes to obtain a mixed powder;

[0022] Step (4): Mix the mixed liquid in step (2) ...

Embodiment 2

[0024] A method for preparing a corrosion-resistant magnetic composite material, comprising the following steps:

[0025] Step (1): Weigh each raw material by parts by weight: by parts by weight: 40 parts of nickel oxide, 22 parts of tricobalt tetroxide, 12 parts of polyphenylene sulfide, 10 parts of polypyrrole, 6 parts of phenolic resin, ferric chloride 1~8 parts, 10 parts of attapulgite, 7 parts of bismuth oxide, 10 parts of barium petroleum sulfonate, 6 parts of dicumyl peroxide, 3 parts of aminopropyl triethoxysilane and 2 parts of surfactant; Described surfactant is myristyl dimethyl betaine;

[0026] Step (2): Mix polyphenylene sulfide, polypyrrole, phenolic resin, ferric chloride and aminopropyltriethoxysilane for 50 minutes to obtain a mixed solution;

[0027] Step (3): Put nickel oxide, cobalt tetroxide, attapulgite and bismuth oxide in a ball mill, and ball mill and mix for 30 minutes to obtain a mixed powder;

[0028] Step (4): Mix the mixed liquid in step (2) wi...

Embodiment 3

[0030] A method for preparing a corrosion-resistant magnetic composite material, comprising the following steps:

[0031] Step (1): Weigh each raw material by parts by weight: by parts by weight: 34 parts of nickel oxide, 17 parts of cobalt tetroxide, 8 parts of polyphenylene sulfide, 7 parts of polypyrrole, 4 parts of phenolic resin, ferric chloride 4 parts, 6 parts of attapulgite, 5 parts of bismuth oxide, 7 parts of barium petroleum sulfonate, 3 parts of dicumyl peroxide, 1.5 parts of aminopropyltriethoxysilane and 1 part of surfactant; the surface The active agent is lauryl dimethyl betaine;

[0032] Step (2): Mix polyphenylene sulfide, polypyrrole, phenolic resin, ferric chloride and aminopropyltriethoxysilane for 30 minutes to obtain a mixed solution;

[0033] Step (3): Put nickel oxide, cobalt tetroxide, attapulgite and bismuth oxide in a ball mill, and ball mill and mix for 25 minutes to obtain a mixed powder;

[0034] Step (4): Mix the mixed solution in step (2) wit...

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PUM

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Abstract

The invention discloses a corrosion-resistant magnetic composite and a preparation method thereof, wherein the magnetic composite comprises following raw materials, by weight: 28-40 parts of nickel oxide, 13-22 parts of cobaltosic oxide, 4-12 parts of polyphenylene sulfide, 4-10 parts of polypyrrole, 2-6 parts of phenolic resin, 1-8 parts of ferric trichloride, 2-10 parts of attapulgite, 2-7 parts of bismuth oxide, 3-10 parts of barium petroleum sulfonate, 1-6 parts of dicumyl peroxide, 0.2-3 parts of 3-aminopropyl triethoxysilane, and 0.5-2 parts of surface active agents. The magnetic composite by the preparation method has following advantages: good magnetic performance; good corrosion resistance performance under acidic condition; and high application value.

Description

technical field [0001] The invention belongs to the field of magnetic materials, in particular to a corrosion-resistant magnetic composite material and a preparation method thereof. Background technique [0002] Magnetic materials can generally be divided into soft magnetic materials, permanent magnetic materials, giant magnetic materials, gyromagnetic materials, etc. Magnetic materials are important basic functional materials in the electronics industry. They are widely used in industrial fields such as computers, electronic devices, communications, automobiles and aerospace, as well as daily necessities such as household appliances and children's toys. With the advancement of science and technology, the demand for magnetic materials more expansive. Commonly used magnetic materials often have various defects due to their single composition, such as poor corrosion resistance and temperature resistance, which limits the further application of the magnetic material. [0003]...

Claims

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Application Information

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IPC IPC(8): H01F1/42C04B26/12
Inventor 翁宇飞李力南
Owner SUZHOU KUANWEN ELECTRONICS SCI & TECH
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