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Ferrocene high-nitrogen ionic compound and preparation method thereof

A high-nitrogen ion and compound technology, applied in chemical instruments and methods, metallocenes, organic chemistry, etc., can solve the problems of unsatisfactory catalytic effect of ferrocene derivatives, complex synthesis process, easy migration of propellants, etc., and achieve easy The effect of molecular design and modification, high catalytic performance and low cost

Inactive Publication Date: 2012-09-19
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented new type material called Ferrocene (CAS No.: 98941-5) was developed by researchers at Los Alamos National Laboratory during World War II with excellent properties such as heat resistance, chemical reactivity, and ability to absorb light from sunlight without losing any part or affecting their effectiveness when exposed to certain substances like hydrocarbons. These materials are useful because they have strong interactions that allow them to participate effectively within various systems where there may exist harmful agents. They could potentially replace existing regulators made up entirely of ferrocenes due to these advantages over other methods.

Problems solved by technology

This patented technical solution described for improving the stability and durable performance of ferrccenes and related substances in different types of ammunition materials involves introducing specific chemical moieties like oxygen or nitroxides onto them through experiments with varying degrees of success. However, there still exist issues associated with this approach due to potential migrations, vapor pressure reduction, slow crystal formation, poor solubility, and limited ignitabilities caused by conventional techniques.

Method used

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  • Ferrocene high-nitrogen ionic compound and preparation method thereof
  • Ferrocene high-nitrogen ionic compound and preparation method thereof
  • Ferrocene high-nitrogen ionic compound and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0038] The structural formula of the ferrocene high nitrogen ion compound of the present embodiment is:

[0039]

[0040] In the formula: X is C;

[0041] R is C m h 2m+1 , m is 1;

[0042] Y - for N 3 - .

[0043] That is, the structural formula is:

[0044] The preparation method of above-mentioned ferrocene high nitrogen ion compound is specifically:

[0045] Step 1: Add 0.6223g of compound A and 0.1339g of compound B dissolved in 12ml of anhydrous methanol to a 25ml round-bottomed flask wrapped in tin foil to avoid light, the molar ratio of compound A to compound B is 1:1.35, at room temperature Stir for 24 hours, distill off methanol at 40-45°C, bake in a vacuum oven at 40°C for 4 hours, and cool to room temperature;

[0046] Step 2: Add dropwise 45ml of dichloromethane with a concentration of 15.66mol / L to the cooled round bottom flask, stir at room temperature for 30 minutes, filter with suction, distill the filtrate to remove dichloromethane at 40°C, and ...

Embodiment 2

[0055] The structural formula of the ferrocene high nitrogen ion compound of the present embodiment is:

[0056]

[0057] In the formula: X is C;

[0058] R is C m h 2m+1 , m is 8;

[0059] Y － for N 3 - .

[0060] The preparation method of above-mentioned ferrocene high nitrogen ion compound is specifically:

[0061] In step 1 of the above-mentioned embodiment 1, 2.5301g of compound A and 0.4388g of compound B were mixed in a molar ratio of 1:1.35, and dissolved in anhydrous methanol with a concentration of 48ml of 24.70mol / L. Other steps are identical with embodiment 1, wherein compound A is:

[0062]

[0063] Compound B is NaN 3 .

[0064] Other steps are identical with embodiment 1, make 2.0419gP2, the structural formula of product P2 is:

[0065]

Embodiment 3

[0067] The structural formula of the ferrocene high nitrogen ion compound of the present embodiment is:

[0068]

[0069] In the formula: X is C;

[0070] R is C m h 2m+1 , m is 16;

[0071] Y － for N 3 - .

[0072] The preparation method of above-mentioned ferrocene high nitrogen ion compound is specifically:

[0073] In step 1 of the above-mentioned embodiment 1, 3.0883g of compound A and 0.4385g of compound B were mixed in a molar ratio of 1:1.35, and dissolved in 60ml of anhydrous methanol with a concentration of 24.70mol / L. Other steps are identical with embodiment 1. Among them, compound A is Compound B is NaN 3 .

[0074] Other steps are identical with embodiment 1, make the P3 of 2.5772g, the structural formula of product P3 is:

[0075]

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Abstract

The invention relates to a ferrocene high-nitrogen ionic compound and a preparation method thereof. The structural formula of the compound is disclosed as Formula (1), wherein X is C or N; R is C[m]H[2m+1], and m is 1-16; and Y<-> is N[3]<-> or [N(NO[2])[n](CN)[2-n]]<-> (n is 0-2), or [C(NO[2])[n](CN)[3-n]]<-> (n is 0-3), or high-nitrogen heterocyclic anion or polynitrophenol anion or di-tetrazole anion. Since anions and cations have Coulomb electrostatic interaction, the ferrocene high-nitrogen ionic compound has the advantages of high heat stability and high catalytic performance, and can be used as a catalyst in a rocket propellant; the ferrocene high-nitrogen ionic compound has low steam pressure and is nonvolatile under natural conditions, and therefore, can solve the problems of high migration tendency and high volatility of the existing ferrocene combustion regulator in the propellant; and meanwhile, the synthesis method is simple and easy to implement, has the advantage of low cost, and is applicable to industrialized application.

Description

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Claims

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Application Information

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Owner SHAANXI NORMAL UNIV
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