Thermodynamics of mixtures with strongly negative deviations from Raoult’s law. Part 8. Excess molar volumes at 298.15K for 1-alkanol + isomeric amine (C6H15N) systems

Villa, S.; Riesco, Nicolás; Fuenté, Isaiás García de la; González, Juan Antonio; Cobos, José Carlos

doi:10.1016/j.fluid.2003.10.008

Cited by 60 publications

(33 citation statements)

References 55 publications

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“…On the other hand the proteins usually bound to DNA polymers contain various amine groups [9]. Interestingly, primary and secondary amines are self-associated compounds [10][11][12][13][14] with low dipole moments in the case of linear amines (1.3 D for BA and 1.0 D for DPA [15]). The dipole moment of aniline (1.51 D [3]) is higher and proximity effects between the phenyl ring and the amine group lead to strong dipolar interactions between aniline molecules.…”

Section: Introductionmentioning

confidence: 99%

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Thermodynamics of amide + amine mixtures. 4. Relative permittivities of N,N-dimethylacetamide + N-propylpropan-1-amine, + N-butylbutan-1-amine, + butan-1-amine, or + hexan-1-amine systems and of N,N-dimethylformamide + aniline mixture at several temperatures. Characterization of amine + amide systems using ERAS

Hevia

González

Cobos

et al. 2018

The Journal of Chemical Thermodynamics

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Section: Introductionmentioning

confidence: 99%

“…The total relative molecular volumes and surfaces of the compounds were calculated additively on the basis of the group volumes and surfaces recommended by Bondi [43]. [11][12][13]44]. The binary parameters to be fitted against E m H [18][19][20] and E m V [23,24,27,45] data available in the literature for amine + amide systems are then…”

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confidence: 99%

Thermodynamics of amide + amine mixtures. 4. Relative permittivities of N,N-dimethylacetamide + N-propylpropan-1-amine, + N-butylbutan-1-amine, + butan-1-amine, or + hexan-1-amine systems and of N,N-dimethylformamide + aniline mixture at several temperatures. Characterization of amine + amide systems using ERAS

Hevia

González

Cobos

et al. 2018

The Journal of Chemical Thermodynamics

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“…Figure 9 shows the DSC endothermic peak of Polymer 1 CUP solutions with three weight fractions. It was obvious that with the increasing of the weight fraction, the endothermic peaks shift to lower temperature, this can be explained by Raoult’s law [ 72 ]. CUP solutions contain only CUP particles, free water and surface water.…”

Section: Resultsmentioning

confidence: 99%

Thermodynamic Characterization of Free and Surface Water of Colloidal Unimolecular Polymer (CUP) Particles Utilizing DSC

2020

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Colloidal Unimolecular Polymer (CUP) particles are spheroidal, 3–9 nm with charged groups on the surface and a hydrophobic core, which offer a larger surface water fraction to improve the analysis of its characteristics. Differential scanning calorimetry (DSC) was performed to determine the characteristics of surface water. These properties include the amount of surface water, the layer thickness, density, specific heat of the surface water above and below the freezing point of water, melting point depression of free water, effect of charge density and particle size. The charge density on the CUP surface was varied as well as the molecular weight which controls the particle diameter. The surface water is proportional to the weight fraction of CUP <20%. Analogous to recrystallization the CUP particles were trapped in the ice when rapidly cooled but slow cooling excluded the CUP, causing inter-molecular counterion condensation and less surface water. The density of surface water was calculated to be 1.023 g/mL to 1.056 g/mL depending on the surface charge density. The thickness of surface water increased with surface charge density. The specific heat of surface water was found to be 3.04 to 3.07 J/g·K at 253.15 K and 3.07 to 3.09 J/g·K at 293.15 K. The average area occupied by carboxylate and ester groups on the CUP surface were determined.

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“…The total relative molecular volumes and surfaces of the compounds were calculated additively on the basis of the group volumes and surfaces recommended by Bondi [44]. [45][46][47], and are also collected in Table S1. The binary parameters to be fitted against E m H and E m V [11,12] data of amine + amide systems are then AB…”

Section: Eras Modelmentioning

confidence: 99%

Thermodynamics of amide + amine mixtures. 5. Excess molar enthalpies of N,N-dimethylformamide or N,N-dimethylacetamide + N-propylpropan-1-amine, + N-butylbutan-1-amine, + butan-1-amine, or + hexan-1-amine systems at 298.15 K. Application of the ERAS model

Hevia

Ballerat‐Busserolles

Coulier

et al. 2019

Fluid Phase Equilibria

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Thermodynamics of mixtures with strongly negative deviations from Raoult’s law. Part 8. Excess molar volumes at 298.15K for 1-alkanol + isomeric amine (C6H15N) systems

Cited by 60 publications

References 55 publications

Thermodynamic Characterization of Free and Surface Water of Colloidal Unimolecular Polymer (CUP) Particles Utilizing DSC

Thermodynamics of amide + amine mixtures. 5. Excess molar enthalpies of N,N-dimethylformamide or N,N-dimethylacetamide + N-propylpropan-1-amine, + N-butylbutan-1-amine, + butan-1-amine, or + hexan-1-amine systems at 298.15 K. Application of the ERAS model

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