Effective preservation method of aluminum trihydride etherate

A technology of aluminum hydride and preservation method, which is applied in the direction of metal hydrides, chemical instruments and methods, compounds containing elements of group 3/13 of the periodic table, etc., and can solve problems such as difficult long-term preservation of aluminum hydride etherate , to achieve the effect of simple operation method

Active Publication Date: 2019-05-21
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that it is difficult to preserve aluminum trihydride etherate for a long time, thereby providing an effective preservation method for aluminum trihydride etherate

Method used

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  • Effective preservation method of aluminum trihydride etherate
  • Effective preservation method of aluminum trihydride etherate
  • Effective preservation method of aluminum trihydride etherate

Examples

Experimental program
Comparison scheme
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specific Embodiment approach 1

[0029] Specific embodiment one: the effective preservation method of aluminum trihydride etherate described in this embodiment, the method comprises:

[0030] The aluminum trihydride etherate was submerged in anhydrous cyclohexane solvent and stored under argon atmosphere.

[0031] This implementation mode proposes a simple and efficient solvent immersion method, that is, choosing a non-toxic, harmless, low-polarity cyclohexane reagent to soak aluminum trihydride etherate. Since the solubility of aluminum trihydride etherate in cyclohexane is extremely poor, in addition to removing cyclohexane through a rotary evaporator, the etherate can also be recovered by filtering. In order to ensure the smooth progress of the next experiment. The process of this embodiment is simple and easy to implement, and the effect is remarkable.

specific Embodiment approach 2

[0032] Embodiment 2: This embodiment is different from Embodiment 1 in that the method is carried out under anhydrous and oxygen-free conditions.

specific Embodiment approach 3

[0033] Specific embodiment three: the difference between this embodiment and specific embodiment two is that the method for extracting aluminum trihydride etherate in a preserved state includes: using a rotary evaporator or a sand core funnel to remove the anhydrous cyclohexane solvent, Aluminum trihydride etherate was recovered.

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Abstract

The invention discloses an effective preservation method of an aluminum trihydride etherate, relates to the technical field of preservation of the aluminum trihydride etherate, and aims to solve the problem that the aluminum trihydride etherate is difficult to preserve for a long time. According to the effective preservation method, an anhydrous cyclohexane solvent is adopted to immerse the aluminum trihydride etherate, and the aluminum trihydride etherate is preserved under the argon condition. The effective preservation method is suitable for preservation of the aluminum trihydride etherate.

Description

technical field [0001] The invention relates to the technical field of preservation of aluminum trihydride etherate, in particular to the technology of using cyclohexane solvent as a medium to preserve aluminum trihydride etherate. Background technique [0002] Aluminum hydride (AlH 3 ) has a high hydrogen storage capacity (mass fraction is 10.01%), and can be used as vehicle-mounted hydrogen storage materials, high-energy fuel propellants, organic reaction reducing agents, fuel cells, thermite reaction initiators, etc. Promising metal hydrides. [0003] Aluminum trihydride etherate is an important intermediate product for the preparation of aluminum trihydride. However, this intermediate is extremely flammable and very unstable. The commonly used preservation method is under the condition of inert gas drying, but it will fail after a few hours, cannot be transformed into crystals, and it is difficult to store for a long time. This largely limits the further application ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B6/06C07C43/06C07C41/46C07F5/06
Inventor 杨玉林夏德斌林凯峰范瑞清王平
Owner HARBIN INST OF TECH
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