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Citation: Zhenhua Wang, Haoyang Feng, Xiaoyang Shao, Wenru Fan. Vitamins in Solid Propellants: Controlled Synthesis of Neutral Macromolecular Bonding Agents[J]. University Chemistry, ;2025, 40(4): 1-9. doi: 10.3866/PKU.DXHX202401007 shu

Vitamins in Solid Propellants: Controlled Synthesis of Neutral Macromolecular Bonding Agents

Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an 710072, China

Received Date: 2 January 2024
Revised Date: 29 February 2024

Composite solid propellant, serving as the propulsion source of various solid engines in missiles and space vehicles, consist of solid particles (oxidizer and metal fuel) embedded in polymer matrices (binders). This experimental teaching module addresses the challenge of “dewetting” under load in solid propellants, where adhesive and filler separation occurs, compromising interfacial interactions. Through controlled radical polymerization, a well-defined neutral macromolecular bonding agent with controlled molecular weight and composition was synthesized. Its molecular structure was characterized using hydrogen nuclear magnetic spectroscopy and gel permeation chromatography system. This comprehensive experimental teaching not only deepens students' understanding of solid propellant technology, but also enhances their awareness of fundamental principles and methodologies in the field of cutting-edge polymer chemistry. Furthermore, it cultivates students' experimental operation skills, proficiency with sophisticated instrumentation, and capability in result analysis, bridging cutting-edge scientific research with the national imperative for talent development in critical technological domains.
- Solid propellant,
- Macromolecular bonding agent,
- Controlled radical polymerization,
- Interfacial interactions
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