Viscosity of binary heptane—nonylbenzene as a function of pressure and temperature: application of Flory's theory

Measurements of the Liquid Viscosities of Mixtures of n-Butane, n-Hexane, and n-Octane with Squalane to 30 MPa

“…Table IIa The experimental viscosity values were next fitted with the model proposed by Kanti et al [14], which was derived from Bloomfield and Dewan [15] and Flory theory [16][17][18]. The equation without an adjustable parameter proposed by Kanti et al can be applied in the high-pressure region.…”

“…The interaction coefficient, X 12, the site fraction, ϑ, and the volume fraction, φ 1 , depend on characteristic parameters, P * and V * , presented by Flory et al [16][17][18] according to Eqs (8)-(10). Kanti et al [14] related the reduced variables, (P ,Ṽ , andT ) of pressure, P , volume, V , and temperature, T , to the coefficient of thermal expansion, α, and isothermal compressibility, β, using Flory's theory as follows: Delmas et al [19] used the following mixing rule, since onlyṼ for the mixture is needed to calculate the excess viscosity from Eq. (5): where…”

Measurements of the Liquid Viscosities of Mixtures of Isobutane with Squalane to 30 MPa

“…(2). The experimental viscosity values were next fitted with the model proposed by Kanti et al [8], which was derived from Bloomfield and Dewan [9] and from the Flory theory [10][11][12]. The equation without an adjustable parameter proposed by Kanti et al can be applied in the high-pressure region.…”

A novel approach to predict the excess volume of hydrocarbon mixtures

“…This is probably due to the small size of cyclopentane. The behavior of nonylbenzene (benzene with a nonane side group) with heptanes (Kanti et al, 1991) is also between the two types (G W ¼1.052 at 313.15 K). Addition of side groups to cyclohexane or benzene also causes a shift towards the behavior of 'similar' mixtures.…”

“…o-DMBZ (2) 1.003 Table 4 Effect of side groups on G W in mixtures of aromatics with cyclohexanes at 298, 15 K and 1 atm (data from Chevalier et al, 1990;Beg et al, 1994;Kanti et al, 1991; Table 5 (data from Awwad and Allos, 1985;Awwad and Salman, 1986a;GomezIbanez and Liu, 1963;Chevalier et al, 1990;Somoza et al, 1984;Garcia et al, 1984;Blinowska and Brostow, 1975;Jiangning and Asfour, 1994;Garcia et al, 1986;Hutchings and van Hook, 1985;Wu and Asfour, 1991;Hamam et al, 1984;Dingan et al, 1986;Pecar and Dolecek, 2003;Awwad and Pethrick, 1984;Handa et al, 1977;Awwad et al, 1987a) (this plot is made with an equation for normal alkanes; vide infra. )…”