Densities, Viscosities and Speeds of Sound of Binary Mixtures of 2-Chloroaniline with o-Chlorotoluene, m-Chlorotoluene and p-Chlorotoluene at Different Temperatures

Chand, G. Praveen; Sankar, M. Gowri; Ramachandran, D.; Rambabu, C.

doi:10.1007/s10953-016-0439-0

Cited by 5 publications

(3 citation statements)

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“…Density is a common measured variable. Besides being important for process design, its variation with composition can give insights into small-scale interactions, such as hydrogen bonds, London forces, and dipole–dipole interactions . In polymer + water systems, its knowledge is important for calculation of activity coefficients …”

Section: Resultsmentioning

confidence: 99%

“…Besides being important for process design, its variation with composition can give insights into small-scale interactions, such as hydrogen bonds, 72 London forces, 73 and dipole−dipole interactions. 74 In polymer + water systems, its knowledge is important for calculation of activity coefficients. 67 ρ measurements for {PPG 400 or PE62 or L64 or L35 or PEG 400 or PEG 600 or PEG 1000 } (1) + water (2) systems over the whole composition range are shown in Table 3 and Figure 2, where dashed lines are plotted to visualize the deviation from linear behavior, where Δρ = 0 and mixture property has a linear combination with mass fractions (θ = w 1 θ 1 + w 2 θ 2 ).…”

Section: Resultsmentioning

confidence: 99%

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Density, Refractive Index, pH, and Cloud Point Temperature Measurements and Thermal Expansion Coefficient Calculation for PPG₄₀₀, PE62, L64, L35, PEG₄₀₀, PEG₆₀₀, or PEG₁₀₀₀ + Water Systems

et al. 2021

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Thermophysical properties and phase behavior of seven {polymer (1) + water (2)} systems were determined using PPG 400 , Ultraric PE62, Pluronic L64, Pluronic L35, PEG 400 , PEG 600 , and PEG 1000 . Density (ρ) and refractive index (n) were measured for the whole range of w 1 at T = 293.2 K. Correlation with Redlich−Kister equation and prediction with Lorentz−Lorenz theoretical model were done. pH was measured for different mass fractions at ambient temperature (T ≈ 298.2 K). Cloud point temperature (T cloud ) was measured for different polymer mass fractions (w 1 ) from 0.02 up to 0.30. The thermal expansion coefficient (α T ) was calculated for w 1 = 0.15 and temperature (T) from 278.2 up to 348.2 K. Experiments were conducted at atmospheric pressure (P ≈ 95 kPa). The obtained thermophysical properties indicate that PEGs + water have the highest ρ while PPG 400 + water has the smallest ρ. Also, all ρ vs w 1 curves present a maximum value. n profiles are similar for all systems, showing the same refractive index increment for w 1 below 0.4. Density (Δρ) and refractive index (Δn) deviations are higher for the PPG 400 + water system, mainly due to the highest propylene content and hydrophobic character of PPG units. Moreover, pH varies with polymer mass fraction reaching a minimum value, probably because polymers release H + in solution. Phase transition results indicate that Tcloud and α T present related behaviors, i.e., when solution became turbid, α T shows an abrupt change in slope.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Density, Refractive Index, pH, and Cloud Point Temperature Measurements and Thermal Expansion Coefficient Calculation for PPG₄₀₀, PE62, L64, L35, PEG₄₀₀, PEG₆₀₀, or PEG₁₀₀₀ + Water Systems

et al. 2021

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“…benzene). The negative values of G 12 indicates the dominance of dispersion forces [34,35], while the positive values are attributed to the presence of strong specific interactions between the mixture components [36,37]. Molar volumes and apparent molar volumes of both components in the mixture are larger than their respective values in the pure state.…”

Section: Correlation Equations For Viscositymentioning

confidence: 99%

Estimation of excess molar volumes and theoretical viscosities of binary mixtures of benzene + n-alkanes at 298.15 K

Adam

Awwad

2016

Int J Ind Chem

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Excess molar volumes, (V E m ), have been derived from the literature viscosity data for the binary mixtures of benzene with n-hexane, n-octane, n-decane, n-dodecane, ntetradecane, and n-hexadecane as a function of composition at 298.15 K and atmospheric pressure conditions. The V E m values were found to be positive over the entire composition range for all mixtures. Concentration dependence of V E m were fitted with Redlich-Kister polynomial equation to estimate the binary coefficients and standard errors. From density data, the partial molar volumes (V m ), partial molar volumes at infinite dilution (V 0 m ), excess partial molar volumes at infinite dilution (V 0; E m ), and apparent molar volumes (V / ), were calculated over the whole composition range as were the limiting apparent molar volumes at infinite dilution (V 0 / ) and excess apparent molar volumes at infinite dilution (V 0; E / ). Viscosity of the binary mixtures of benzene with n-alkanes were estimated using Kendall-Monroe, Frenkel, Hind et al., Katti-Chaudhri, Grunberg-Nissan, Wilke and Herráez et al. equations. The agreement between experimental and predicted values for all systems was found to be quite reasonable as evidenced from computed standard deviation and average percentage deviation (APD). Wilke relation gives maximum deviations for all the systems in comparison to other methods employed. Other relations give comparatively good results.

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Influence of chlorine atom on interactions between halo-hydrocarbons and 1-nonanol: Density and speed of sound measurements

Chandraiah

Karlapudi

Sreedhar

et al. 2018

The Journal of Chemical Thermodynamics

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Densities, Viscosities and Speeds of Sound of Binary Mixtures of 2-Chloroaniline with o-Chlorotoluene, m-Chlorotoluene and p-Chlorotoluene at Different Temperatures

Cited by 5 publications

References 30 publications

Density, Refractive Index, pH, and Cloud Point Temperature Measurements and Thermal Expansion Coefficient Calculation for PPG₄₀₀, PE62, L64, L35, PEG₄₀₀, PEG₆₀₀, or PEG₁₀₀₀ + Water Systems

Density, Refractive Index, pH, and Cloud Point Temperature Measurements and Thermal Expansion Coefficient Calculation for PPG₄₀₀, PE62, L64, L35, PEG₄₀₀, PEG₆₀₀, or PEG₁₀₀₀ + Water Systems

Estimation of excess molar volumes and theoretical viscosities of binary mixtures of benzene + n-alkanes at 298.15 K

Influence of chlorine atom on interactions between halo-hydrocarbons and 1-nonanol: Density and speed of sound measurements

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Densities, Viscosities and Speeds of Sound of Binary Mixtures of 2-Chloroaniline with o-Chlorotoluene, m-Chlorotoluene and p-Chlorotoluene at Different Temperatures

Cited by 5 publications

References 30 publications

Density, Refractive Index, pH, and Cloud Point Temperature Measurements and Thermal Expansion Coefficient Calculation for PPG400, PE62, L64, L35, PEG400, PEG600, or PEG1000 + Water Systems

Density, Refractive Index, pH, and Cloud Point Temperature Measurements and Thermal Expansion Coefficient Calculation for PPG400, PE62, L64, L35, PEG400, PEG600, or PEG1000 + Water Systems

Estimation of excess molar volumes and theoretical viscosities of binary mixtures of benzene + n-alkanes at 298.15 K

Influence of chlorine atom on interactions between halo-hydrocarbons and 1-nonanol: Density and speed of sound measurements

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Density, Refractive Index, pH, and Cloud Point Temperature Measurements and Thermal Expansion Coefficient Calculation for PPG₄₀₀, PE62, L64, L35, PEG₄₀₀, PEG₆₀₀, or PEG₁₀₀₀ + Water Systems

Density, Refractive Index, pH, and Cloud Point Temperature Measurements and Thermal Expansion Coefficient Calculation for PPG₄₀₀, PE62, L64, L35, PEG₄₀₀, PEG₆₀₀, or PEG₁₀₀₀ + Water Systems