用于太空应用的竹制纤维素纳米纤维的除气特性

IF 3.1 2区物理与天体物理 Q1 ENGINEERING, AEROSPACE Acta Astronautica Pub Date : 2024-09-24 DOI:10.1016/j.actaastro.2024.09.048

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引用次数: 0

摘要

本研究调查了用于太空应用的竹制纤维素纳米纤维 (CNF) 的放气特性。根据 ASTM E1559 对竹子、竹子衍生的 CNF 和 2,2,6,6- 四甲基哌啶-1-氧（TEMPO）氧化 CNF（T-CNF）进行了放气率测试。结果表明，在石英晶体微天平热重气体分析中，CNF 只释放出水，而竹子和 T-CNF 释放出的气体不含水，峰值分别为 -40 °C 和 55 °C。这些研究结果表明，CNFs 是很有前景的低放气应用材料。此外，研究结果表明，TEMPO 处理会在 CNF 中产生放气源。

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Outgassing properties of bamboo-derived cellulose nanofiber for space applications

In this study, the outgassing properties of bamboo-derived cellulose nanofibers (CNFs) for space applications were investigated. Outgassing rate tests based on ASTM E1559 were conducted on bamboo, bamboo-derived CNF, and 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized CNF (T-CNF). The results showed that CNF emitted only water, while bamboo and T-CNF emitted outgas that is not water and had the peaks at

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40 °C and 55 °C, respectively, in quartz crystal microbalance thermogravimetric gas analysis. These findings reveal that CNFs are promising materials for low-outgassing applications. Moreover, the results indicate that the TEMPO treatment produces outgassing sources into the CNF.

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来源期刊

Acta Astronautica 工程技术-工程：宇航

CiteScore

7.20

自引率

22.90%

发文量

599

审稿时长

53 days

期刊介绍： Acta Astronautica is sponsored by the International Academy of Astronautics. Content is based on original contributions in all fields of basic, engineering, life and social space sciences and of space technology related to: The peaceful scientific exploration of space, Its exploitation for human welfare and progress, Conception, design, development and operation of space-borne and Earth-based systems, In addition to regular issues, the journal publishes selected proceedings of the annual International Astronautical Congress (IAC), transactions of the IAA and special issues on topics of current interest, such as microgravity, space station technology, geostationary orbits, and space economics. Other subject areas include satellite technology, space transportation and communications, space energy, power and propulsion, astrodynamics, extraterrestrial intelligence and Earth observations.