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UV-cured resin coated soft magnetic powder, preparation method and application thereof

A technology of curing resin and ultraviolet light, which is applied in the direction of magnetic coating, inorganic material magnetism, coating, etc., can solve the problems of low performance and limited magnetic gathering ability, and achieve the effect of dense coating, improved magnetic gathering ability and low consumption

Active Publication Date: 2015-08-05
GUANGZHOU PANYU ZHIDA SMART FILM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology enhances the properties of certain types of coatings made by adding specific chemical substance into an aqueous solution that makes it harder than ordinary paints without affecting their effectiveness for use on steel surfaces such as automobile body parts. These coatings have both smooth surface appearance and increased durability over longer periods compared to regular painted layers due to its unique structure formed through drying and baking processes. Additionally, this method allows for easy addition of different materials while maintaining good adherence between them during application. Overall, these technical improvements make the resulting paint more resistant against rust damage even after multiple uses.

Problems solved by technology

Technological Problem addressed in this patented technical solution describes various ways to enhance the packaging capacity of thin films containing metals like zinc and chromium without losing their effectiveness over long periods when stored at room temperature. Existing methods involve increasing the amount of filler mixed into the film, making them thicker than desired. Additionally, there may also exist issues related to improving the storage stabilization of aquatic paints that contain FeCo type materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] An ultraviolet curable resin coated soft magnetic powder, which is mainly prepared from the following raw materials in parts by weight:

[0039] 7 parts of ultraviolet curing resin, 6 parts of reactive diluent, 6 parts of photoinitiator, 0.2 parts of auxiliary agent and 95 parts of soft magnetic powder.

[0040] The ultraviolet curable resin is epoxy acrylate.

[0041] The reactive diluent is tripropylene glycol diacrylate.

[0042] The photoinitiator is a benzophenone / amine system.

[0043] The auxiliary agent is a leveling agent.

[0044] The soft magnetic powder is iron powder; the shape of the soft magnetic powder is spherical, the particle size is a bimodal distribution, the peak distribution range of the small particle size is 2 μm, the peak distribution range of the large particle size is 30 μm, and the peak size particle size is The ratio is 15, and the total content ratio of powders with large and small particle sizes is 5.

[0045] A preparation method of an...

Embodiment 2

[0061] An ultraviolet curable resin coated soft magnetic powder, which is mainly prepared from the following raw materials in parts by weight:

[0062] 5 parts of ultraviolet curing resin, 4 parts of reactive diluent, 5 parts of photoinitiator, 0.1 part of auxiliary agent and 90 parts of soft magnetic powder.

[0063] The ultraviolet curable resin is amino acrylate. The reactive diluent is trihydroxymethyl triacrylate, ethoxylated trimethylol propane triacrylate.

[0064] The photoinitiator is benzil diketal.

[0065] The auxiliary agent is a defoamer.

[0066] The soft magnetic powder is an iron-based soft magnetic alloy powder; the soft magnetic powder has a partial spherical shape, a bimodal particle size distribution, a peak distribution range of small particle sizes of 0.2, and a peak distribution range of large particle sizes of 3 μm , the size and particle size peak ratio is 15, and the size and particle size powder total content ratio is 8.

[0067] A preparation m...

Embodiment 3

[0083] An ultraviolet curable resin coated soft magnetic powder, which is mainly prepared from the following raw materials in parts by weight:

[0084] 2 parts of ultraviolet curing resin, 2 parts of reactive diluent, 3 parts of photoinitiator, 0.05 parts of auxiliary agent and 88 parts of soft magnetic powder.

[0085] The ultraviolet curable resin is polyether acrylate.

[0086] The reactive diluent is octapentythritol triacrylate.

[0087] The photoinitiator is 2-hydroxy-2-methyl-1-phenylacetone.

[0088] The auxiliary agent is a leveling agent.

[0089] The soft magnetic powder is a mixture of cobalt-based soft magnetic alloy powder and nickel-based soft magnetic alloy powder; the soft magnetic powder has a spherical shape, a bimodal particle size distribution, and a small particle size peak distribution range of 1 μm , the large particle size peak distribution range is 20 μm, the size particle size peak ratio is 20, and the size particle size powder total content ratio...

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Abstract

The invention discloses a kind of UV-cured resin coated soft magnetic powder, a preparation method and application thereof. The UV-cured resin coated soft magnetic powder is mainly prepared from the following raw materials in parts by weight: 0.5-7 parts of UV-cured resin, 1-6 parts of reactive diluents, 0.05-6 parts of photo-initiator, 0.01-0.2 part of additive and 85-95 parts of soft magnetic powder. A water-based soft magnetic coating is prepared from the following raw materials in parts by weight: 45-65 parts of UV-cured resin coated soft magnetic powder, 5-20 parts of water-based adhesive, 0.5-5 parts of thickening agent, 9-35 parts of diluents and 0.5-5 parts of additive. The UV-cured resin coated soft magnetic powder is capable of prolonging service life of the coating; the coating is compact and magnetism gathering capacity is improved; the coating has less consumption and is relatively simple in construction.

Description

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Claims

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Application Information

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Owner GUANGZHOU PANYU ZHIDA SMART FILM
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