离子液体的蒸和挥发性 离子液体的蒸和挥发性
Martyn J Earle1, José M S S Esperança, Manuela A Gilea
1The QUILL Centre, The Queen's University of Belfast, Stranmillis Road, Belfast BT9 5AG, UK.
离子液体或低温融盐不是不易挥发的. 许多离子液体可以在低压下蒸而不会分解,从而开辟了新的应用.
科学领域:
- 化学 化学 化学
- 材料科学 材料科学 材料科学
背景情况:
- 离子液体仅由离子组成,被广泛认为是不易挥发的.
- 这种假设的无挥发性是许多应用的基础,但限制了净化和气相使用.
研究的目的:
- 为了挑战离子液体不能蒸的概念.
- 为了证明常见的离子离子液体的蒸性,以提高纯度和新的应用.
主要方法:
- 在低压下蒸选定的离子离子液体.
- 分析回收物质的纯度和分解.
主要成果:
- 证明了许多离子液体可以在200-300°C和低压下蒸而不会分解.
- 实现了纯离子液体物质的显著回收.
结论:
- 关于离子液体无挥发性的假设是毫无根据的.
- 蒸使高纯度回收成为可能,并扩大了离子液体在各种工艺中的潜在应用.
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