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Cement-based magnetic paint as well as preparation method and application thereof

A cement-based and enamel technology, which is applied in the direction of cement coating, magnetic coating, coating, etc., can solve the problem of uneconomical magnetic coating, and achieve the effect of good high and low temperature resistance, good electromagnetic shielding performance and strong binding force

Active Publication Date: 2018-07-13
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The base materials used in these inventions are more expensive resin materials (CN103409045), low-temperature curing resins (CN105295666A), and adhesives (CN104231708A), which are not economical for the realization of large-area magnetic coatings

Method used

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  • Cement-based magnetic paint as well as preparation method and application thereof
  • Cement-based magnetic paint as well as preparation method and application thereof
  • Cement-based magnetic paint as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Put 80g of 200-mesh iron powder and 200g of 300-mesh quartz sand sieved through an 80-mesh sieve into the mixing pot and mix evenly to obtain mixed micropowder;

[0022] (2) Pour 150g of water, 30g of conch cement, 40g of acrylic resin glue, and 3g of hydroxyethyl methacrylate into the mixing pot, stir at a speed of 2000r / min for 30min, and prepare cement slurry, and then mix the above Gradually add the mixed micropowder to the cement slurry that is kept stirring, and then stir for 30 minutes at a speed of 2000r / min to obtain a magnetic cement slurry;

[0023] (3) Finally, add 4g of hydroxymethyl cellulose, 4g of acrylic leveling agent, 0.3g of polycarboxylate superplasticizer, 2g of color paste to the above magnetic cement slurry and keep stirring for 30min. Enamel paint buckets ready to use;

[0024] (4) Scrape-coat the above cement-based enamel on the fiber glass mat to obtain a magnetic glass mat. The magnetic glass mat is as follows: figure 2 , its main prop...

Embodiment 2

[0028] 100g of 200-mesh soft magnetic ferrite sieved through a 100-mesh sieve and 150g of 300-mesh quartz sand were poured into a mixing pot and mixed evenly to obtain a mixed micropowder;

[0029] (2) Pour 120g of water, 25g of conch cement, 35g of epoxy resin glue, and 2g of alkylbenzene sulfonate into the mixing pot, stir at a speed of 2000r / min for 30min, and prepare cement slurry, and then mix the above Gradually add the mixed micropowder to the cement slurry that keeps stirring, and then stir for 30 minutes at a speed of 2000r / min to obtain a magnetic cement slurry;

[0030] (3) Finally, add 5g of hydroxymethyl cellulose, 3g of polydimethylsiloxane, 0.3g of polycarboxylate superplasticizer, and 2g of color paste to the above magnetic cement slurry and keep stirring for 30 minutes. Finally, the prepared Cement-based enamel in barrels for use;

[0031] (4) Scrape-coat the above cement-based enamel on the fiber glass felt to obtain a magnetic glass felt, adhere the magneti...

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Abstract

The invention relates to cement-based magnetic paint as well as a preparation method and application thereof. The magnetic paint takes cement, quartz sand, glue, magnetic micro-powder and other cheapmaterials as main raw materials and adopts a thickening agent, a water reducing agent, a dispersing agent, a de-foaming agent, a leveling agent and other auxiliaries for formula optimization. Comparedwith common resin-based magnetic paint, the cement-based magnetic paint provided by the invention has the advantages of good aging resistance and flame retardant property; as the main raw materials are the cheap raw materials, the cost of the magnet paint is significantly reduced. The green and environmentally-friendly magnet paint has wide application prospect in the fields of magnetic walls, magnetic glass mats, magnetic sheets and the like.

Description

technical field [0001] The invention belongs to the technical field of functional coatings, and in particular relates to a cement-based enamel and its preparation method and application. Background technique [0002] Magnetic varnishes have many practical uses, but existing magnetic varnishes generally have the problems of poor magnetic properties and high prices. Through searching, it is found that the existing magnetic paint solutions similar to the present invention include "a magnetic paint (CN103409045)", "a magnetic conductive paint and its preparation method and application (CN105295666A)", "under multi-pole static magnetic field The used soft magnetic coating and its preparation method (CN104231708A)". The base materials used in these inventions are more expensive resin materials (CN103409045), low-temperature curing resins (CN105295666A), and adhesives (CN104231708A), which are not economical for the realization of large-area magnetic coatings. In view of this, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/23C09D1/08C09D7/61C04B28/04C04B28/08C04B28/02C04B111/28
CPCC04B28/021C04B28/04C04B28/08C04B2111/00508C04B2111/28C04B2201/20C04B2201/32C04B2201/50C09D1/08C09D5/23C04B14/34C04B14/06C04B22/002C04B24/2641C04B24/06C04B24/383C04B24/04C04B24/24C04B2103/54C04B24/281C04B24/20C04B24/42
Inventor 张友法张青松
Owner SOUTHEAST UNIV
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