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Wide-spectrum extinction interference material and preparation method thereof

An extinction and broad-spectrum technology, applied in chemical instruments and methods, metal processing equipment, sustainable manufacturing/processing, etc., can solve the problems of short interference time, high production cost, poor suspension, etc., and achieve good extinction characteristics and performance optimization , enhance the effect of scattering and absorption

Pending Publication Date: 2022-06-07
NAT UNIV OF DEFENSE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Among them, metal materials can achieve rapid attenuation of electromagnetic waves due to their good electromagnetic properties, but their specific gravity and poor suspension, so the interference time is re

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  • Wide-spectrum extinction interference material and preparation method thereof
  • Wide-spectrum extinction interference material and preparation method thereof
  • Wide-spectrum extinction interference material and preparation method thereof

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Abstract

The invention provides a wide-spectrum extinction interference material and a preparation method thereof. The method comprises the following steps: respectively preparing a first solution and a second solution by utilizing a first container and a second container which are subjected to ultrasonic cleaning and drying treatment; obtaining a mixed solution of the first solution and the second solution, and performing aging treatment on the mixed solution to prepare a CoNi-MOFs precursor suspension; the CoNi-MOFs precursor turbid liquid is placed in a centrifugal machine to be subjected to centrifugal treatment, CoNi-MOFs precipitates with supernate removed are obtained, the CoNi-MOFs precipitates are placed in a vacuum drying box to be subjected to drying treatment, and CoNi-MOFs powder is obtained to serve as a CoNi-MOFs precursor; and the CoNi-MOFs precursor is placed in a tube furnace to be subjected to calcination treatment, and CoNi-MOFs-800 powder is obtained to serve as the wide-spectrum extinction interference material.

Description

technical field [0001] The invention relates to the field of photothermal material preparation, in particular to a broad-spectrum extinction interference material and a preparation method thereof. Background technique [0002] Precision-guided weapons have officially entered the stage of history since the Vietnam War. With the development of science and technology, it has become increasingly difficult for single-mode guided weapons to meet the needs of modern warfare. Therefore, dual-mode or even multi-mode guided weapons have become precision-guided weapons conventional way. [0003] In order to counteract the existing photoelectric guidance means and photoelectric detection technology, smoke screen, as a cost-effective and fast passive interference method, plays a key role. It quickly releases a large amount of aerosol particles into the air to change the transmission characteristics of electromagnetic waves in the air to effectively interfere with photoelectric detection...

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Application Information

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IPC IPC(8): C01G53/00B22F1/054B22F9/24
CPCC01G53/00B22F9/24C01P2004/03C01P2002/88Y02P20/10
Inventor 李晓霞张敬岩王晓农陈熠解博冯云松顾有林
Owner NAT UNIV OF DEFENSE TECH
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