A method for preparing cyano borohydride pyridine metal complexes
By preparing cyanoborohydride pyridine-based metal complexes, the problem of long ignition delay time in existing auto-ignition complexes was solved, thus achieving improved high-efficiency combustion performance of solid propellants.
CN118666875BActive Publication Date: 2025-11-04NANJING TECH UNIV
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Patent Information
- Application Number
- CN202410571762.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2044-05-10
AI Technical Summary
Technical Problem
Existing technologies make it difficult to prepare auto-ignition complexes with ultra-short ignition delay times and high catalytic performance to improve the combustion performance of solid propellants.
Method used
A method for preparing cyanoborohydride pyridine metal complexes is employed, which involves reacting a transition metal salt, a pyridine ligand, and sodium cyanoborohydride at a specific temperature to form a complex with self-ignition properties.
Benefits of technology
The prepared cyanoborohydride pyridine metal complexes have short ignition delay time and good combustion catalytic effect, making them suitable for solid propellant fuels or burning rate regulation and improving propellant performance.
✦ Generated by Eureka AI based on patent content.
Abstract
The application relates to a method for preparing a cyano borohydride pyridine metal complex, and the specific steps are as follows: a certain amount of transition metal salt is weighed and added into a container, a solvent is added, stirring is uniformly carried out, a pyridine ligand is added into the container, reaction is carried out at 20-80 DEG C for 0.5-6h, sodium cyano borohydride is added into the container, backflow is carried out at 20-80 DEG C for 2-6h, cooling is carried out, continuous stirring is carried out for 2-12h, filtering is carried out, the precipitated product is washed and dried, and the cyano borohydride pyridine metal complex is obtained. The metal complex is self-ignited when being contacted with a strong oxidant, has good ignition and combustion characteristics, and can be applied to the combustion field of solid fuel or solid propellant. The preparation method is simple and the conditions are mild.
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