CN104592277B - A kind of cuprous spheroidization preparation method of decahydro ten tetraethylammonium borate - Google Patents

A kind of cuprous spheroidization preparation method of decahydro ten tetraethylammonium borate Download PDF

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CN104592277B
CN104592277B CN201510075728.5A CN201510075728A CN104592277B CN 104592277 B CN104592277 B CN 104592277B CN 201510075728 A CN201510075728 A CN 201510075728A CN 104592277 B CN104592277 B CN 104592277B
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decahydro
cuprous
tetraethylammonium borate
spheroidization
gained
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CN104592277A (en
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薛云娜
吕剑
李娇毅
万洪
郝志军
杜咏梅
李春迎
陆居有
孙道安
王志轩
张建伟
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Xian Modern Chemistry Research Institute
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/02Boron compounds
    • C07F5/022Boron compounds without C-boron linkages

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Abstract

The invention discloses a kind of cuprous spheroidization preparation method of decahydro ten tetraethylammonium borate, comprise the following steps:(1) by cuprous for the decahydro ten tetraethylammonium borate solvent orange 2 A being dissolved in 0.5~50 times of quality at 0~200 DEG C, solvent orange 2 A is dimethyl sulfoxide, N, N dimethylformamide, acetonitrile or N methyl pyrrolidone;(2) at a temperature of 0~150 DEG C, add the solvent B of 0.5~200 times of quality under stirring in the solution of step (1) gained, and stir complete to mix homogeneously.Solvent B is ethanol, methanol, isopropanol, n-butyl alcohol, water, acetone;(3) under stirring, the mixed system of step (2) gained is down to 15 DEG C~50 DEG C temperature, then carry out filtering, wash, decahydro ten tetraethylammonium borate of drying to obtain spheroidization cuprous, draw ratio reaches 1.1, and yield reaches 95%.The present invention is used for the cuprous spheroidization particulate production of decahydro ten tetraethylammonium borate, and product is used in solid propellant or fuel-rich explosive as high heating value, high burn rate functionalization fuel.

Description

A kind of cuprous spheroidization preparation method of decahydro ten tetraethylammonium borate
Technical field
The present invention relates to a kind of cuprous spheroidization preparation method of decahydro ten tetraethylammonium borate, belong to energetic material neck Domain.
Background technology
Polyhedral boranes have armaticity, heat resistance and excellent due to having the delocalization of boron cage electronics Chemical stability, be applied to the multiple fields such as high-energy fuel, functional material, biological medicine and catalyst.Decahydro ten boric acid four Ethyl ammonium cuprous due to decahydro ten borate ion containing cuprous ion and cage structure in molecule, for solid propellant or Both there is in fuel-air explosive aluminium powder combustion catalysis function, and there is due to high heating value the function of improving calorific value, thus be A kind of higher polyhedral boranes of using value.But decahydro ten boric acid that prior art is obtained by chemical reactive synthesis The cuprous granularity of tetraethyl ammonium is less, and profile is irregular, is mostly in the form of a column crystal, draw ratio is larger, is 2-5, is applied to propellant Have such problems as during formula that processing performance and mechanical property are deteriorated.Spheroidization crystallization can improve explosive wastewater mechanical property, processability Can (rheological property) and packed density etc..Therefore, for improving the application performance of this compound, need to be to its spheroidization crystallization technique Develop.The sign of solid particle spheroidization can represent itself and spherical degree of closeness using its draw ratio.
One kind is disclosed in document [Zhang Lun, Zhang Guomin etc., Wuhan University Journal (natural science edition) 1989,2,67-70] Carry out decahydro ten tetraethylammonium borate cuprous conjunction is synthesized with copper chloride solution using the double tetraethyl ammonium of decahydro ten boric acid One-tenth method, but do not mention the spheroidization preparation method of this compound.
Content of the invention
The technical problem to be solved in the present invention is high for product particle draw ratio present in above-mentioned prior art, spherical Change the deficiency of low degree, provide a kind of draw ratio close to 1, cuprous spherical of spheroidization degree high decahydro ten tetraethylammonium borate Change preparation method of granules.
For solving above-mentioned technical problem, prepared by the spheroidization that a kind of decahydro ten tetraethylammonium borate of present invention offer is cuprous Method, comprises the steps:
(1) at a temperature of 0~200 DEG C, it is dissolved in solvent orange 2 A by cuprous for decahydro ten tetraethylammonium borate, solvent orange 2 A is that diformazan is sub- Sulfone, N,N-dimethylformamide, acetonitrile or N-Methyl pyrrolidone;Wherein, decahydro ten tetraethylammonium borate is cuprous and solvent orange 2 A Mass ratio is 1:0.5~50.
(2) at a temperature of 0~150 DEG C, in the solution of step (1) gained, under stirring, add solvent B;Solvent B be ethanol, Methanol, isopropanol, n-butyl alcohol, water or acetone;Wherein, the cuprous mass ratio with solvent B of decahydro ten tetraethylammonium borate is 1:0.5 ~200.
(3) under stirring, the mixed solution of step (2) gained is cooled to -15 DEG C~50 DEG C, refilters, wash, being dried, obtaining Cuprous, the particle aspect ratio 1.1~1.3 to decahydro ten tetraethylammonium borate of spheroidization.
The preferred version of the cuprous spheroidization preparation method of decahydro ten tetraethylammonium borate of the present invention, walks including following Suddenly:
(1) at a temperature of 90 DEG C, it is dissolved in cuprous for decahydro ten tetraethylammonium borate in acetonitrile, wherein decahydro ten boric acid four Ethyl ammonium cuprous and acetonitrile mass ratio be 1:2.
(2) at a temperature of 90 DEG C, in the solution of step (1) gained, methanol, wherein decahydro ten boric acid four under stirring, are added The cuprous mass ratio with methanol of ethyl ammonium is 1:30.
(3) under stirring, the mixed solution of step (2) gained is cooled to -10 DEG C, refilters, wash, being dried, obtaining spherical Decahydro ten tetraethylammonium borate changed is cuprous, and its mean diameter is 100 microns, and draw ratio is 1.1.
Invention advantage:
The cuprous spheroidization particle aspect ratio of decahydro ten tetraethylammonium borate of present invention preparation is 1.1, compared to existing technology Middle draw ratio is 2~5 sinteticses, and spheroidization degree is higher, in solid propellant, processing performance good it is easy to levelling, Reduce the consumption of binding agent etc..
Specific embodiment
The cuprous spheroidization crystallization of embodiment 1 decahydro, ten tetraethylammonium borate
(1) at a temperature of 90 DEG C, it is dissolved in cuprous for decahydro ten tetraethylammonium borate in acetonitrile, wherein decahydro ten boric acid four Ethyl ammonium cuprous and acetonitrile mass ratio be 1:2.
(2) at a temperature of 90 DEG C, in the solution of step (1) gained, methanol, wherein decahydro ten boron under stirring state, are added The cuprous mass ratio with methanol of sour tetraethyl ammonium is 1:30.
(3) under stirring state, the mixed system of step (2) gained is carried out being cooled to -10 DEG C, then carry out filtering, wash, Decahydro ten tetraethylammonium borate of drying to obtain spheroidization is cuprous, and its mean diameter is 100 microns, and draw ratio is 1.1.
The cuprous spheroidization crystallization of embodiment 2 decahydro, ten tetraethylammonium borate
(1) at a temperature of 0 DEG C, it is dissolved in cuprous for decahydro ten tetraethylammonium borate in DMF, wherein The cuprous mass ratio with N,N-dimethylformamide of decahydro ten tetraethylammonium borate is 1:50.
(2) at a temperature of 0 DEG C, in the solution of step (1) gained, ethanol, wherein decahydro ten boric acid under stirring state, are added The cuprous mass ratio with ethanol of tetraethyl ammonium is 1:200.
(3) under stirring state, the mixed system of step (2) gained is carried out being cooled to -15 DEG C, then carry out filtering, wash, Decahydro ten tetraethylammonium borate of drying to obtain spheroidization is cuprous, and its mean diameter is 200 microns, and draw ratio is 1.2.
The cuprous spheroidization crystallization of embodiment 3 decahydro, ten tetraethylammonium borate
(1) at a temperature of 200 DEG C, it is dissolved in cuprous for decahydro ten tetraethylammonium borate in dimethyl sulfoxide, wherein decahydro ten Tetraethylammonium borate cuprous and dimethyl sulfoxide mass ratio be 1:0.5.
(2) at a temperature of 150 DEG C, in the solution of step (1) gained, water, wherein decahydro ten boric acid under stirring state, are added The cuprous mass ratio with water of tetraethyl ammonium is 1:0.5.
(3) under stirring state, the mixed system of step (2) gained is carried out being cooled to 50 DEG C, then carry out filtering, wash, do Dry decahydro ten tetraethylammonium borate obtaining spheroidization is cuprous, and its mean diameter is 50 microns, and draw ratio is 1.2.
The cuprous spheroidization crystallization of embodiment 4 decahydro, ten tetraethylammonium borate
(1) at a temperature of 50 DEG C, it is dissolved in cuprous for decahydro ten tetraethylammonium borate in N-Methyl pyrrolidone, wherein ten The cuprous mass ratio with N-Methyl pyrrolidone of hydrogen ten tetraethylammonium borate is 1:12.
(2) at a temperature of 50 DEG C, in the solution of step (1) gained, isopropanol, wherein decahydro ten under stirring state, are added The cuprous mass ratio with isopropanol of tetraethylammonium borate is 1:50.
(3) under stirring state, the mixed system of step (2) gained is carried out being cooled to 0 DEG C, then carry out filtering, wash, do Dry decahydro ten tetraethylammonium borate obtaining spheroidization is cuprous, and its mean diameter is 150 microns, and draw ratio is 1.2.
The cuprous spheroidization crystallization of embodiment 5 decahydro, ten tetraethylammonium borate
(1) at a temperature of 120 DEG C, it is dissolved in cuprous for decahydro ten tetraethylammonium borate in dimethyl sulfoxide, wherein decahydro ten The cuprous mass ratio with dimethyl sulfoxide of tetraethylammonium borate is 1:1.
(2) at a temperature of 120 DEG C, in the solution of step (1) gained, n-butyl alcohol, wherein decahydro ten under stirring state, are added The cuprous mass ratio with n-butyl alcohol of tetraethylammonium borate is 1:10.
(3) under stirring state, the mixed system of step (2) gained is carried out being cooled to 20 DEG C, then carry out filtering, wash, do Dry decahydro ten tetraethylammonium borate obtaining spheroidization is cuprous, and its mean diameter is 230 microns, and draw ratio is 1.3.
The cuprous spheroidization crystallization of embodiment 6 decahydro, ten tetraethylammonium borate
(1) at a temperature of 150 DEG C, it is dissolved in cuprous for decahydro ten tetraethylammonium borate in dimethyl sulfoxide, wherein decahydro ten The cuprous mass ratio with dimethyl sulfoxide of tetraethylammonium borate is 1:0.8.
(2) at a temperature of 150 DEG C, in the solution of step (1) gained, acetone, wherein decahydro ten boron under stirring state, are added The cuprous mass ratio with acetone of sour tetraethyl ammonium is 1:15.
(3) under stirring state, the mixed system of step (2) gained is cooled to 25 DEG C, then carry out filtering, wash, drying is Decahydro ten tetraethylammonium borate obtaining spheroidization is cuprous, and its mean diameter is 270 microns, and draw ratio is 1.2.

Claims (2)

1. a kind of cuprous spheroidization preparation method of decahydro ten tetraethylammonium borate, comprises the steps:
(1) at a temperature of 0~200 DEG C, be dissolved in solvent orange 2 A by cuprous for decahydro ten tetraethylammonium borate, solvent orange 2 A be dimethyl sulfoxide, N,N-dimethylformamide, acetonitrile or N-Methyl pyrrolidone;Wherein, the cuprous matter with solvent orange 2 A of decahydro ten tetraethylammonium borate Amount ratio is 1:0.5~50;
(2) at a temperature of 0~150 DEG C, in the solution of step (1) gained, under stirring, add solvent B;Solvent B is ethanol, first Alcohol, isopropanol, n-butyl alcohol, water or acetone;Wherein, the cuprous mass ratio with solvent B of decahydro ten tetraethylammonium borate is 1:0.5~ 200;
(3) under stirring, the mixed solution of step (2) gained is cooled to -15 DEG C~50 DEG C, refilters, wash, being dried, obtaining ball Decahydro ten tetraethylammonium borate of shape is cuprous, particle aspect ratio 1.1~1.3.
2. the cuprous spheroidization preparation method of decahydro ten tetraethylammonium borate according to claim 1, as follows including step:
(1) at a temperature of 90 DEG C, it is dissolved in cuprous for decahydro ten tetraethylammonium borate in acetonitrile, wherein decahydro ten boric acid tetraethyl The cuprous mass ratio with acetonitrile of ammonium is 1:2;
(2) at a temperature of 90 DEG C, in the solution of step (1) gained, methanol, wherein decahydro ten boric acid tetraethyl under stirring, are added The cuprous mass ratio with methanol of ammonium is 1:30;
(3) under stirring, the mixed solution of step (2) gained is cooled to -10 DEG C, refilters, wash, being dried, obtaining spheroidization Decahydro ten tetraethylammonium borate is cuprous, and its mean diameter is 100 microns, and draw ratio is 1.1.
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