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Soft magnetism metal composite aqueous-based casting pulp, and preparation method of soft magnetism metal composite aqueous-based casting film

A soft magnetic metal and composite material technology, applied in metal processing equipment, transportation and packaging, etc., can solve the problem of less research materials and data, and achieve the effects of low loss, improved dispersion, and easy cutting

Inactive Publication Date: 2020-07-21
南通希尔德新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many technologies for preparing magnetic isolation sheets based on casting technology, such as non-water-based casting for metal systems (CN 101497132 B, CN 108053008 A) and water-based casting of ferrite materials (CN 104446518 B, CN104177077 B), but from the current domestic and foreign literature and patent technology, there are very few research materials and data for metal magnetic powder water-based casting, especially for the preparation of metal powder water-based slurry, which is still blank in China

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028] (1) Take 100 parts by mass of sendust magnetic powder in a mixer, add 5 parts by mass of sodium hydroxide and 95 parts by mass of deionized water, stir for 1 hour to make the magnetic powder fully wetted and dispersed in the water, and dry in vacuum;

[0029] (2) Add 100 parts by mass of sendust magnetic powder, 3 parts by mass of γ-glycidoxypropyltrimethoxysilane and 197 parts by mass of deionized water to the blender, stir for 1 hour, take it out, and vacuum dry for use. ;

[0030] (3) Add 100 parts by mass of sendust magnetic powder, 1 part by mass of triethanolamine, and 100 parts by mass of deionized water into the ball mill tank (ball-to-material ratio is 10:1), ball mill for 20 hours, and rotate speed 250r / min , Vacuum dry for use;

[0031] (4) Weigh an appropriate amount of Fe, Zn, and Mn chloride salts according to the coating amount of manganese-zinc ferrite 2wt% (Mn: Zn=0.6: 0.4), add 100ml of water, and dissolve it in a water bath at 60°C, use a magnetic force St...

example 2

[0035] (1) Take 100 parts by mass of sendust magnetic powder in a mixer, add 5 parts by mass of sodium hydroxide and 95 parts by mass of deionized water, stir for 1 hour to make the magnetic powder fully wetted and dispersed in the water, and dry in vacuum;

[0036] (2) Add 100 parts by mass of sendust magnetic powder, 5 parts by mass of γ-aminopropyltriethoxysilane and 195 parts by mass of deionized water to the mixer, stir for 1 hour, take it out, and vacuum dry for use;

[0037] (3) Add 100 parts by mass of sendust magnetic powder, 1 part by mass of polyethylene glycol 400, and 100 parts by mass of deionized water into the ball milling tank (the ball-to-material ratio is 10:1), and the ball mill is 20h, and the speed is 250r / min, vacuum drying for standby;

[0038] (4) Weigh an appropriate amount of Fe, Zn, and Ni chloride salts according to the coating amount of nickel-zinc ferrite 5wt% (Ni:Zn=0.5:0.5), add 100ml of water, and dissolve it in a water bath at 60℃, use a magnetic fo...

example 3

[0042] (1) Take 100 parts by mass of Fe-Si-Ni magnetic powder in a blender, add 5 parts by mass of sodium hydroxide and 95 parts by mass of deionized water, stir for 1 hour to make the magnetic powder fully wetted and dispersed in the water, and vacuum dry;

[0043] (2) Add 100 parts by mass of Fe-Si-Ni magnetic powder, 4 parts by mass of γ-glycidoxypropyltrimethoxysilane and 196 parts by mass of deionized water into the mixer, stir for 1 hour, take it out, and vacuum dry for use. ;

[0044] (3) Add 100 parts by mass of iron-silicon-nickel magnetic powder, 1 part by mass of triethanolamine, and 100 parts by mass of deionized water into the ball milling tank (the ball-to-material ratio is 10:1), ball mill for 15h, and rotate speed 250r / min , Vacuum dry for use;

[0045] (4) Weigh an appropriate amount of Fe, Zn, and Mn chloride salts according to the coating amount of manganese-zinc ferrite 5wt% (Mn: Zn=0.6: 0.4), add 100ml of water, and dissolve it in a water bath at 60°C, use magne...

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Abstract

The invention discloses soft magnetism metal composite aqueous-based casting pulp, and a preparation method of a soft magnetism metal composite aqueous-based casting film. The soft magnetism metal composite aqueous-based casting pulp is characterized by comprising the following raw materials in percentage by mass of 100 parts of sheet-form soft magnetism metal composites, 150-350 parts of deionized water, 0.5-2 parts of dispersing agents, 5-10 parts of bonding agents, 2.5-5 parts of a plastifier, 0.5-1 part of antifoaming agents, 1-10 parts of an alkaline solution and 0.1-5 parts of coupling agents. The preparation method specifically comprises the following steps of (1) performing sheet-form treatment on metal magnetic powder, and performing surface finishing; (2) preparing the soft magnetism metal composites coated by magnetic oxides; (3) preparing the composite aqueous-based casting pulp; and (4) performing deaeration, and performing casting. According to the soft magnetism metal composite aqueous-based casting pulp, and the preparation method of the soft magnetism metal composite aqueous-based casting film disclosed by the invention, through magnetic metal surface finishing, compositing and compounding, casting preparation of the magnetic metal magnetic powder aqueous-based casting pulp is realized, the soft magnetism metal composite aqueous-based casting pulp has the advantages of being good in wettability, high in volatilizing speed, short in drying time, and easy for deaeration; the casting film is good in flexibility, not liable to crack and high in intensity; and the method has the characteristics of being convenient to prepare, environmental-friendly and low in cost, and is suitable for industrialized production.

Description

[0001] The invention belongs to the field of electronic component material technology, and particularly relates to a soft magnetic metal composite material water-based casting slurry and a method for preparing a thin film thereof. Background technique [0002] In recent years, wireless power transmission technology has developed rapidly in the fields of advanced electronic and electrical products such as mobile communications, computers, smart wearable devices, smart homes, medical equipment, and electric vehicles. As a new type of energy conversion method, it overcomes the limitations of traditional cable conversion and has excellent performance in terms of diversified functions, convenience, beauty and flexibility. However, there are also some technical bottlenecks in the actual application process, such as low conversion efficiency and high energy loss. Due to secondary energy conversion, there are safety issues such as space electromagnetic loss and leakage, electromagnetic po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/04B22F1/00
CPCB22F9/04B22F2009/043B22F1/10B22F1/103
Inventor 雷成龙吴阳
Owner 南通希尔德新材料科技有限公司
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