Amides as anticaking agents for sodium chloride: is a triple branched variant necessary?,CrystEngComm

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Amides as anticaking agents for sodium chloride: is a triple branched variant necessary?
CrystEngComm ( IF 2.6 ) Pub Date : 2017-12-13 00:00:00 , DOI: 10.1039/c7ce01927k
Eleanor R. Townsend _{1,

2,

3,

4} , Willem J. P. van Enckevort _{1,

2,

3,

4} , Jan A. M. Meijer _{4,

5,

6} , Elias Vlieg _{1,

2,

3,

4}

Affiliation

Amides are well known for their potential as anticaking agents for sodium chloride. We have investigated what is the ideal structure for an amide based anticaking agent and what features lead to effective anticaking. Through a series of experiments, we have found that a triple-branched structure, with the three branches radiating from the same nitrogen centre, is the only effective compound for preventing caking for sodium chloride. We conclude that this is likely due to bonding between the atoms of the amide functional group and the ions of sodium chloride, with an extra bond from the central nitrogen giving a strong attachment to the surface, thus leading to blocking of growth. We have also outlined a list of four categories, of which a compound must obey all of in order to act as an effective anticaking agent.

中文翻译：

酰胺用作氯化钠的抗结块剂：是否需要三支链的变体？

酰胺因其作为氯化钠的抗结块剂的潜力而广为人知。我们已经研究了基于酰胺的防结块剂的理想结构是什么以及导致有效防结块的特性。通过一系列实验，我们发现三分支结构（三个分支从同一氮中心放射出）是防止氯化钠结块的唯一有效化合物。我们得出的结论是，这很可能是由于酰胺官能团的原子与氯化钠离子之间的键合，而中央氮的额外键使表面牢固地附着在表面上，从而导致生长受阻。我们还概述了四个类别的列表，其中化合物必须遵循所有类别才能充当有效的抗结块剂。

更新日期：2017-12-13

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