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Preparation method and application of a binary heterostructure wave-absorbing material molybdenum oxide-molybdenum phosphide

A wave-absorbing material and heterogeneous structure technology, which is applied in the field of preparation of molybdenum oxide composite materials, can solve the problems of large amount of electromagnetic wave absorbing materials, high raw material prices and equipment costs, complicated preparation steps of molybdenum compounds, etc., and achieves easy implementation, The effect of low cost and wide coverage frequency range

Active Publication Date: 2021-12-07
HEILONGJIANG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The purpose of the present invention is to solve the problems of complex preparation steps, high temperature and high pressure, high raw material price and equipment cost, long production cycle, large addition amount, poor wave absorbing performance and too thick thickness as electromagnetic wave absorbing material in the existing molybdenum compound , and provide a preparation method and application of a binary heterostructure absorbing material molybdenum oxide-molybdenum phosphide

Method used

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  • Preparation method and application of a binary heterostructure wave-absorbing material molybdenum oxide-molybdenum phosphide
  • Preparation method and application of a binary heterostructure wave-absorbing material molybdenum oxide-molybdenum phosphide
  • Preparation method and application of a binary heterostructure wave-absorbing material molybdenum oxide-molybdenum phosphide

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specific Embodiment approach 1

[0043] Specific implementation mode 1: In this implementation mode, a method for preparing a binary heterostructure wave-absorbing material molybdenum oxide-molybdenum phosphide is specifically completed according to the following steps:

[0044] 1. Preparation of organic molybdenum / hypophosphite mixed solution:

[0045] Add organic molybdenum and hypophosphite to the solvent, then stir, and then sonicate to obtain organic molybdenum / hypophosphite mixed solution;

[0046] 2. Add additives:

[0047] adding the additive into the organic molybdenum / hypophosphite mixed solution, and then stirring to obtain the reaction solution I;

[0048] 3. Add liquid paraffin:

[0049] ①. Add liquid paraffin to the reaction solution I, and then stir to obtain the reaction solution II;

[0050] 4. Hydrothermal reaction:

[0051] ①. Transfer the reaction solution II to a hydrothermal reaction kettle, and then conduct a hydrothermal reaction at a temperature of 180°C to 240°C to obtain the rea...

specific Embodiment approach 2

[0056] Specific embodiment two: the difference between this embodiment and specific embodiment one is that the organic molybdenum described in step one is molybdenum acetylacetonate, molybdenum acetate, molybdenum naphthenate or molybdenum alkyl salicylate; The hypophosphite is ammonium hypophosphite, sodium hypophosphite or potassium hypophosphite; the solvent described in step one is oleylamine, triethanolamine or octadecylamine. Other steps are the same as in the first embodiment.

specific Embodiment approach 3

[0057] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: the molar ratio of organic molybdenum and hypophosphite described in step one is 1: (1~10); The mass ratio of the described organic molybdenum to the solvent is 1: (10-80); in step one, the organic molybdenum and hypophosphite are added to the solvent, and then the temperature is 60°C-100°C and the stirring speed is 50r / min Stirring at ~100r / min for 20min~40min, then ultrasonicating for 15min~30min at a temperature of 60~80°C and an ultrasonic power of 30W~50W to obtain an organic molybdenum / hypophosphite mixed solution. Other steps are the same as those in Embodiment 1 or 2.

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Abstract

A preparation method and application of a binary heterostructure wave-absorbing material molybdenum oxide-molybdenum phosphide, which relates to a preparation method and application of a molybdenum oxide composite material. The purpose of the present invention is to solve the problems of complex preparation steps, high temperature and high pressure, high raw material price and equipment cost, long production cycle, large amount of addition, poor wave-absorbing performance and too thick thickness as an electromagnetic wave absorbing material in the existing molybdenum compound. . Methods: 1. preparing organic molybdenum / hypophosphite mixed solution; 2. adding additives; 3. adding liquid paraffin; 4. hydrothermal reaction; 5. calcining. A binary heterostructure absorbing material molybdenum oxide-molybdenum phosphide is used as the absorbing material. The invention can obtain a binary heterostructure wave-absorbing material molybdenum oxide-molybdenum phosphide.

Description

technical field [0001] The invention relates to a preparation method and application of a molybdenum oxide composite material. Background technique [0002] With the advancement of science and technology, the application of electronic instruments is becoming more and more common, and the electromagnetic interference generated is becoming more and more serious. This electromagnetic interference not only affects the performance of electronic products, but also causes serious harm to humans and other organisms. Whether in civilian or military use, electromagnetic wave absorbing materials have a special strategic position and are key technologies related to international people's livelihood. At present, there are mainly the following types of electromagnetic wave absorbing materials that are being studied or have been put into practical use at home and abroad: ferrite series absorbing materials (nickel-zinc ferrite, manganese-zinc ferrite, etc.); polycrystalline ferromagnetic m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K9/00
CPCH05K9/0081H01Q17/00C01G39/02C01B25/08C01P2002/72C01P2004/03C01P2004/04C01P2004/62
Inventor 肖雪王晓丹张丰发布和巴特尔张建交张晓晨付秋月王巍齐海群谭雪飞
Owner HEILONGJIANG INST OF TECH
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