在热静态压力过程中,F2314聚合物粘合剂的温度介导的微结构演变和密集机制在热静态压力过程中发生
Baogang Yang1,2, Kai Yang2, Zhijian Yang2
1State Key Laboratory of Advanced Polymer Materials, Polymer Research Institute of Sichuan University Chengdu 610065 China li_jiang@scu.edu.cn.
RSC advances
|February 13, 2026
概括
压缩温度显著影响聚合物结合爆炸物 (PBX) 中的聚合物粘合剂 (F2314) 密集. 在125°C的最佳加工提高了机械性能,并通过促进柔性骨折和高相对密度来确保安全.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 聚合物结合爆炸物 (PBX) 使用聚合物结合剂,如F2314.
- 结合剂密集化严重影响PBX的微观结构,性能和性能.
- 了解F2314密集化是优化PBX制造的关键.
研究的目的:
- 为了研究压缩温度对F2314密集化的影响.
- 为了阐明F2314在静态压缩过程中的密集机制.
- 为了确定基于F2314的PBX的最佳处理温度.
主要方法:
- 在65°C至140°C的温度下对F2314样品进行静态压缩.
- 在加热过程中分析相变 (玻璃过渡,结晶,化).
- 测量相对密度,断裂行为和材料性能.
主要成果:
- F2314表现出相变,包括玻璃过渡,冷结晶和随着温度升高而部分化.
- 密集度随温度显著提高,在95°C以上达到99.5%的相对密度.
- 从脆性骨折到柔性骨折的过渡发生在95°C和110°C之间.
- 密集机制从粒子互锁转向相互透的网络形成.
结论:
- 压缩温度极大地影响F2314的微观结构和密集.
- 125°C被确定为平衡过程安全和机械性能的最佳温度.
- 这些发现为优化基于F2314的PBX的静态压缩提供了科学基础.
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