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Wave-absorbing cement

A technology of cement and Portland cement, which is applied in the field of absorbing cement to achieve the effect of enhancing the absorbing performance

Inactive Publication Date: 2017-03-22
过冬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has not been reported in the field of microwave-absorbing materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A wave-absorbing cement includes expanded polystyrene and Portland cement. In the wave-absorbing cement, the filling rate of the expanded polystyrene is 40vol%, and the particle diameter of the expanded polystyrene is 2mm.

Embodiment 2

[0020] A wave-absorbing cement includes expanded polystyrene and Portland cement. In the wave-absorbing cement, the filling rate of the expanded polystyrene is 70vol%, and the particle diameter of the expanded polystyrene is 6mm.

Embodiment 3

[0022] A wave-absorbing cement includes expanded polystyrene and Portland cement. In the wave-absorbing cement, the filling rate of the expanded polystyrene is 50 vol%, and the particle diameter of the expanded polystyrene is 4 mm.

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PUM

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Abstract

The invention discloses a wave-absorbing cement. The wave-absorbing cement comprises expanded polystyrene and portland cement; the filling rate of expanded polystyrene ranges from 40 to 70vol%; and the particle diameter of expanded polystyrene ranges from 2 to 6mm. According to a preparation method, expanded polystyrene is doped into cement, so that wave absorbing performance of cement is improved.

Description

technical field [0001] The invention relates to the technical field of new materials, in particular to a wave-absorbing cement. Background technique [0002] Cement material is a variety of composite materials containing a variety of metal oxides, which itself has a certain wave-absorbing performance, but the absorption of electromagnetic waves by cement materials mainly depends on the electromagnetic loss of internal oxides, and the wave-absorbing performance is relatively low. After adding the traditional wave absorbing agent into the cement matrix, although the wave absorbing performance of the cement material can be improved, the degree of matching with the spatial wave impedance is greatly reduced, so the degree of improvement of the wave absorbing performance is not large. If wave-transparent particles are added to the cement matrix, although the addition of wave-transparent materials reduces the content of wave-absorbing agents, it can significantly improve the impeda...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B16/08C04B20/02C04B20/10
CPCC04B28/04C04B16/08C04B20/02C04B20/1033C04B2111/00258
Inventor 过冬
Owner 过冬