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Attapulgite nickel-plated composite material and preparation method thereof

A technology of attapulgite and composite material, which is applied in the field of attapulgite nickel-plated composite material and its preparation, can solve problems such as reports that have not seen research, and achieve significant economic and social significance, and the effect of increasing added value

Inactive Publication Date: 2011-12-28
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The combination of attapulgite and magnetic metal can just give full play to the advantages of the two materials, so it may be a promising microwave absorber, but judging from the current domestic and foreign novelty search results, there is no research on this aspect report

Method used

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  • Attapulgite nickel-plated composite material and preparation method thereof
  • Attapulgite nickel-plated composite material and preparation method thereof
  • Attapulgite nickel-plated composite material and preparation method thereof

Examples

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Embodiment 1

[0030] The attapulgite nickel-plated composite material in this embodiment uses attapulgite as a substrate, and a nickel layer is plated on the attapulgite surface.

[0031] In this embodiment, the attapulgite nickel-plated composite material is prepared according to the following method:

[0032] 1. Prepare 50 mL of attapulgite deionized water suspension with a concentration of 20 g / L, add 100 mg of sodium dodecylbenzene sulfonate to ultrasonically disperse for 20 minutes, and obtain a uniformly dispersed suspension I;

[0033] 2. Add the sensitizing solution to the suspension I, ultrasonically and stir at room temperature for 10 minutes, then centrifuge and reclaim the white sediment, wherein the sensitizing solution is 1.8g stannous chloride, 3.5mL concentrated hydrochloric acid (commercially available analytically pure, Mass concentration is 36-38%) and the mixed solution of 50mL deionized water;

[0034] 3. Add activation solution to the solid phase obtained in step 2, u...

Embodiment 2

[0040] The attapulgite nickel-plated composite material in this embodiment uses attapulgite as a substrate, and a nickel layer is plated on the attapulgite surface.

[0041] In this embodiment, the attapulgite nickel-plated composite material is prepared according to the following method:

[0042] 1. Prepare 40mL of attapulgite deionized water suspension with a concentration of 20g / L, add 100mg sodium dodecylbenzenesulfonate for ultrasonic dispersion for 20 minutes, then add 60mL of 10mol / L concentrated HCl, and let it stand for 12 hours. Sonicate and stir for 30 minutes, centrifuge to collect sediment, wash with deionized water until neutral, add deionized water to make 50mL suspension I;

[0043] 2. Add the sensitizing solution to the suspension I, ultrasonically and stir at room temperature for 10 minutes, then centrifuge and reclaim the white sediment, wherein the sensitizing solution is 1.8g stannous chloride, 3.5mL concentrated hydrochloric acid (commercially available a...

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Abstract

The invention discloses a nickel-plated attapulgite composite material and a preparation method thereof. The nickel-plated attapulgite composite material comprises attapulgite as a matrix, and a nickel layer coated on the surface of attapulgite. The preparation method comprises the following steps: preparing attapulgite deionized water suspension with the concentration of 10-50 g / L, successively carrying out a treatment with surfactant dodecyl benzene sulphonic acid, sensitizing agent and activating agent and a treatment with surfactant dodecyl benzene sulphonic acid under conditions with ultrasonic or stirring, then plating under homeothermic condition at the temperature of 35-60 DEG C for 20-50 min, when finishing plating, carrying out centrifugation, washing and drying to obtain the nickel-plated attapulgite composite material. The invention opens up a new way for the utilization of nano mineral materials in the high technical field, and provides a new direction of the development of absorbing material, thus bringing potential applications of attapulgite.

Description

1. Technical field [0001] The invention relates to an attapulgite modified material and a preparation method thereof, in particular to an attapulgite nickel-plated composite material and a preparation method thereof. 2. Background technology [0002] The ideal absorbing material requires the characteristics of thin, light, strong, and wide. In order to achieve the goal of "thin, light, wide, strong, and cheap", the research direction of absorbing materials is moving towards nano-, composite, fiber / The direction of lamination and cheapness is developing. However, it is difficult for existing materials to meet these requirements at the same time. For example, the absorbers used in microwave absorbing materials are mainly metal and ferrite micropowder materials, and most of them have the disadvantages of high surface density and heavy mass; Low-dimensional carbon nanotubes have strong broadband microwave absorption performance, but the cost is high (for example, the price of ...

Claims

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Application Information

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IPC IPC(8): C04B41/51
Inventor 汪冬梅张学斌凤仪
Owner HEFEI UNIV OF TECH
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