Glass Transition Behavior of the Quaternary Ammonium-Type Ionic Liquid: <i>N,N</i>-Diethyl-<i>N</i>-methyl-<i>N</i>-(2-methoxyethyl)ammonium Bromide-H<sub>2</sub>O Mixtures

<table>Comparison of the Raman spectra among [DEME][BF<sub>4</sub>]-H<sub>2</sub>O, [DEME][I]-H<sub>2</sub>O, and [DEME][Br]-H<sub>2</sub>O at <svg height="11.1" id="M106" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 54.4375 11.1" width="54.4375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.1)">
<g transform="translate(72,-63.12)">
<text transform="matrix(1,0,0,-1,-71.95,63.35)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑥</tspan>
<tspan style="font-size: 12.50px; " x="10.339981" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="18.904535" y="0">∼</tspan>
<tspan style="font-size: 12.50px; " x="30.944925" y="0">6</tspan>
<tspan style="font-size: 12.50px; " x="37.196426" y="0">5</tspan>
</text>
</g>
</g>
</svg> in the liquiud state. Peak intensities are normalized by the strongest peak of CH stretching vibrational mode of [DEME]<sup>+</sup> cation. (a) The CH and OH stretching vibrational modes of the solutions and (b) the OH stretching vibrational region.</table>

Journal of Thermodynamics

fig5

Figure 5

Figure 5: Glass Transition Behavior of the Quaternary Ammonium-Type Ionic Liquid: <i>N,N</i>-Diethyl-<i>N</i>-methyl-<i>N</i>-(2-methoxyethyl)ammonium Bromide-H<sub>2</sub>O Mixtures 

Figure 5 | Glass Transition Behavior of the Quaternary Ammonium-Type Ionic Liquid: N,N-Diethyl-N-methyl-N-(2-methoxyethyl)ammonium Bromide-H2O Mixtures 