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Cobalt-based soft magnetic alloy strip coating and preparation method thereof

A soft magnetic alloy strip and coating technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of air pollution, environmental hazards, complex coating formulations and operating processes, etc. The effect of low production cost and excellent mechanical properties

Inactive Publication Date: 2014-12-24
SHANXI SANYIQIANG MAGNETIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The coating formula and operation process of this application are very complicated, and some components such as barium sulfate are harmful to the environment and can cause pollution to the atmosphere

Method used

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  • Cobalt-based soft magnetic alloy strip coating and preparation method thereof
  • Cobalt-based soft magnetic alloy strip coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Preparation of coating for cobalt-based soft magnetic alloy strip of the present invention:

[0033] The composition and weight percentage of the paint are: 20% ethanol, 3% dioctyl phthalate, 10% polyurethane, 27% of the above-mentioned ferrite titanium dioxide compound, 5% propyl gallate, and the rest is polyimide. After the above materials are uniformly mixed, the coating for the cobalt-based soft magnetic alloy strip is formed.

Embodiment 2

[0035]Preparation of coating for cobalt-based soft magnetic alloy strip of the present invention:

[0036] The composition and weight percentage of the paint are: 30% ethanol, 5% dioctyl phthalate, 13% polyurethane, 31% the above-mentioned ferrite titanium dioxide compound, 8% propyl gallate, and the rest is polyimide. After the above materials are uniformly mixed, the coating for the cobalt-based soft magnetic alloy strip is formed.

Embodiment 3

[0038] Preparation of coating for cobalt-based soft magnetic alloy strip of the present invention:

[0039] The composition and weight percentage of the paint are: 25% ethanol, 4% dioctyl phthalate, 12% polyurethane, 29% of the above-mentioned ferrite titanium dioxide compound, 7% propyl gallate, and the rest is polyimide. After the above materials are uniformly mixed, the coating for the cobalt-based soft magnetic alloy strip is formed.

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Abstract

The invention provides a cobalt-based soft magnetic alloy strip coating and a preparation method thereof. The coating has the advantages of good working performance, small environmental pollution and low cost. The preparation method has the advantages of simple process and low production cost, and is suitable for industrial production. The coating comprises the following components by weight percentage: 20% to 30 % of ethanol, 3% to 5% of dioctyl phthalate, 10% to 13% of polyurethane, 27% to 31% of ferrite titanium dioxide compound, 5% to 8% of propylgallate and polyimide in balancing amount.

Description

technical field [0001] The invention belongs to the field of metal materials and relates to a coating for cobalt-based soft magnetic alloy strips and a preparation method thereof. Background technique [0002] Application No. 200710122020.6 proposes a soft magnetic alloy strip with a good electrical insulation coating on the surface and its preparation method, which is prepared by dip-coating at least one of inorganic suspension, inorganic solution and organic solution Liquid immersion coating of soft magnetic alloy strips, dipping the soft magnetic alloy strips in the dipping solution for 60s~600s; then baking at 90℃~250℃ for 60s~1200s, so that the thickness of the dipping coating reaches 0.5μm ~15μm; the soft magnetic alloy strip is wound into a magnetic core of the corresponding size, and annealing heat treatment is performed between 350°C and 600°C to become a soft magnetic alloy insulating strip with an electrically insulating coating. [0003] The inorganic substance ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D179/08C09D175/04C09D7/12
Inventor 孙锐郑泽昌邱奕婷陆阳平张咏刘光宇林莹莹张金花
Owner SHANXI SANYIQIANG MAGNETIC IND
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