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设计Litchi-Like Al/PTFE具有更高的反应性和在固体推进剂中的应用

Ting Liu1, Cui Nie1, Yao-Feng Mao1

  • 1Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621999, China.

Small (Weinheim an der Bergstrasse, Germany)
|January 27, 2025
PubMed
概括

一种新型的/聚四乙烯燃料提高了燃烧效率,通过在颗粒上创建纳米PTFE岛屿来提高燃烧效率. 这种设计克服了氧化物层和碳沉积,提高了先进推进剂的能量输出.

关键词:
燃烧反应性 燃烧反应性这是一种类似的Al/PTFE.输出压力输出压力输出压力固体推进剂 固体推进剂

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Acid Halides to Alcohols: LiAlH4 Reduction01:19

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Acid halides are reduced to alcohols in the presence of a strong reducing agent like lithium aluminum hydride.
The mechanism proceeds in three steps. First, the nucleophilic hydride ion attacks the carbonyl carbon of the acid halide to form a tetrahedral intermediate. Next, the carbonyl group is re-formed, and the halide ion departs as a leaving group, generating an aldehyde. A second nucleophilic attack by the hydride yields an alkoxide ion, which, upon protonation, gives a primary alcohol as...