High-magnetic-conductivity wave-absorbing sheet and tape-casting slurry and preparation method therefor
A technology of casting slurry and high magnetic permeability, which is applied in the direction of shielding materials, magnetic field/electric field shielding, electrical components, etc. No high problems, to achieve the effect of improving quality and flexibility, resistivity, good wettability, high quality and magnetic permeability
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[0037] In another aspect, the embodiment of the present invention also provides a method for preparing the high permeability absorber of the embodiment of the present invention described above. In an embodiment, the process of the preparation method of the high permeability absorber of the present invention is as follows: figure 2 As shown, it includes the following steps:
[0038] Step S01. Obtain the raw material of the casting slurry of the high permeability absorber: Weigh the components contained in the casting slurry of the high permeability absorber as described above, including soft magnetic alloy powder Component raw materials for organic insulating elastomers, hard-to-volatile organic solvents, plasticizers, and dispersants;
[0039] Step S02. Prepare a mixed solution containing organic insulating elastomer, hardly volatile organic solvent, plasticizer, and dispersant: heat the organic insulating elastomer, hardly volatile organic solvent, plasticizer, and dispersant we...
Example Embodiment
[0052] Example 1
[0053] This embodiment provides a high magnetic permeability wave absorbing plate and its casting slurry and a preparation method thereof. The casting slurry of the high magnetic permeability wave absorbing plate of this embodiment includes the following components by weight:
[0054]
[0055] The preparation method of the high permeability wave absorbing plate of this embodiment is as follows:
[0056] Step S11. According to the present Example 1, the components contained in the casting slurry of the high permeability absorber were weighed, including soft magnetic alloy powder, organic insulating elastomer, hard-to-volatile organic solvent, plasticizer, and dispersion. Ingredient raw materials;
[0057] Step S12. The organic insulating elastomer, hardly volatile organic solvent, plasticizer, and dispersant weighed in step S11 are heated and stirred at 80° C. to obtain a mixed solution;
[0058] Step S13. The soft magnetic alloy powder weighed in step S11 is ball-mi...
Example Embodiment
[0060] Example 2
[0061] This embodiment provides a high magnetic permeability wave absorbing plate and its casting slurry and a preparation method thereof. The casting slurry of the high magnetic permeability wave absorbing plate of this embodiment includes the following components by weight:
[0062]
[0063] The preparation method of the high permeability wave absorbing plate of this embodiment is as follows:
[0064] Step S21. According to the present embodiment 2, the components contained in the casting slurry of the high permeability absorber are respectively weighed, including soft magnetic alloy powder, organic insulating elastomer, hard-to-volatile organic solvent, plasticizer, dispersion Ingredient raw materials;
[0065] Step S22. The organic insulating elastomer, hard-to-volatile organic solvent, plasticizer, and dispersant weighed in step S21 are heated and stirred at 70°C to obtain a mixed solution;
[0066] Step S23. The soft magnetic alloy powder weighed in step S21 i...
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