Abstract
In this study, we are interested in the eutectic processing of chloride compounds, and decided to focus on ammonium based compounds that can provide sufficient insight in the fundamental chemistry. 14 types ammonium based chloride compounds namely ammonium chloride, methanaminium chloride, dimethylammonium chloride, trimethylammonium chloride, tetramethylammonium chloride, dodecyltrimethylammonium chloride, hexadecyltrimethylammonium chloride, carboxytrimethylmethanaminium chloride, phenyltrimethylammonium chloride, benzyltrimethylammonium chloride, (vinylbenzyl)trimethylammonium chloride, 2-acetoxytrimethylethanaminium chloride, (2-acetoxypropyl)trimethylammonium chloride and 2-(benzoyloxy)trimethylethanaminium chloride were used in this study. This research led to a hypothesis that the ammonium based chloride compounds could be react with the urea by complexing the hydrogen groups that are hydrogen bond donor giving eutectic mixtures. However, functional groups have plays an important role to influence thermal properties of those eutectic mixtures. This is regarded to be a motivating finding that will be important to most future research work involving complexation reaction for the production of eutectic mixtures.
Highlights
Eutectic mixtures which are materials consisting of components that form a low melting point mixture, provide a unique substance for developing advanced materials and usually cheaper with less time-consuming than the development of new materials
Previous study has shown that complexation reaction was used to produce eutectic mixture by means of ammonium based chloride compounds such as choline chloride with urea as complexing agent (Abbott, et al, 2003), low melting point of eutectic mixture was observed in that study, but we have found that the role of functional groups in ammonium based chloride compounds for producing eutectic mixtures through complexation reaction is still not fully discovered and identified
This study was indicated that eutectic mixtures were successfully produced by using ammonium based chloride compounds and complexing agent urea
Summary
Eutectic mixtures which are materials consisting of components that form a low melting point mixture, provide a unique substance for developing advanced materials and usually cheaper with less time-consuming than the development of new materials. It is composed of a mixture with a melting point much lower than each of the individual components. Changing metal such as tin and lead into metallic eutectic is a common way to make them low melting point material usually used in soldering (Kanchanomai, et al, 2002). Eutectic mixtures were utilized to produce ionic liquids that might be used as green solvents (Hou, et al, 2008)
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