Solubility of organic solvents in 1,4-cis-polybutadiene

Balashova, I. M.; Buduen, Romny Garcia; Danner, Ronald P.

doi:10.1016/j.fluid.2012.07.030

Cited by 6 publications

(7 citation statements)

References 18 publications

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“…S s was dened as eqn (31), which was very important for PDMS membrane separation process. Through the equal activity of component in solution and PDMS, the concentration of phase equilibrium in PDMS membrane w m 1 and w m 2 could be achieved for given concentration of solution w f 1 and w f 2 .…”

Section: Prediction Of Solubility Separation Factor By Modified Unifamentioning

confidence: 99%

“…The solubility separation factor of permselective component with subscript 2. S s was dened as eqn (31), which was very important for PDMS membrane separation process.…”

Section: Prediction Of Solubility Separation Factor By Modified Unifa...mentioning

confidence: 99%

“…22 The group interaction parameters between the groups are mainly tted to a great number of experimental equilibria data and stored in the Dortmund Data Bank. [31][32][33][34] Thus in this study, optimization of UNIFAC-ZM model for predicting phase equilibrium of polymer systems was made with the consideration of temperature effect. 24 However, the equilibrium data of polymer and solvent is difficult to get for complex system or limited conditions, so it is important to achieve the group interaction parameters precisely with convenient experimental technology.…”

Section: Introductionmentioning

confidence: 99%

“…[26][27][28][29][30] The missing group-contribution-based UNIFAC group interaction parameters were also able to be derived from innite dilution activity coefficients. [31][32][33][34] Thus in this study, optimization of UNIFAC-ZM model for predicting phase equilibrium of polymer systems was made with the consideration of temperature effect. The innite activity coefficients of hexane, heptane, octane, acetone, butanol, ethanol and water with PDMS were determined by means of IGC in the temperature range of 373.2-413.2 K. SiO-CH 3 , SiO-CH 3 O, SiO-OH and SiO-H 2 O group interaction parameters were deduced via our corrected UNIFAC-ZM model which modied the temperature effect of group interaction.…”

Section: Introductionmentioning

confidence: 99%

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A modified UNIFAC-ZM model and phase equilibrium prediction of silicone polymers with ABE solution

Xia

Wu²,

et al. 2016

RSC Adv.

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The UNIFAC model and its various modified models on behalf of the group contribution methods offer reliable knowledge of phase equilibrium data, which are making great contributions for separation processes. The application of the UNIFAC-ZM model for the silicone polymer system is not only restricted by the poor accuracy under a large temperature range, but also limited by the lack of SiO group related group interaction parameters. In this work, first, modification of the model was made with consideration of the temperature effect on group interactions. Then inverse gas chromatography (IGC), a simple method to determine the infinite dilution activity coefficient, was applied to determine the interaction parameters between the common groups CH 3 , OH, H 2 O, CH 3 CO and SiO contained in polydimethylsiloxane (PDMS) based on the equilibrium chromatography theory. The achieved model was further proved to agree with the experimental results well. The new model was also applied in the calculation of the partition equilibrium between acetone/butanol/ethanol water solutions of different concentrations and PDMS of different polymerization degrees and side chain length. All these results would not only help the improvement of UNIFAC model, but also instruct the separation processes of silicone polymer compounds.

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Section: Prediction Of Solubility Separation Factor By Modified Unifamentioning

confidence: 99%

“…The solubility separation factor of permselective component with subscript 2. S s was dened as eqn (31), which was very important for PDMS membrane separation process.…”

Section: Prediction Of Solubility Separation Factor By Modified Unifa...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A modified UNIFAC-ZM model and phase equilibrium prediction of silicone polymers with ABE solution

Xia

Wu²,

et al. 2016

RSC Adv.

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show abstract

“…cis-Polybutadiene rubber materials have the characteristics of wear resistance, excellent elastic, age resistance and so forth, and thus they have become essential in many fields [1][2][3]. Nevertheless, cis-polybutadiene rubber materials as organic materials could not form crystals at room temperature unless they are sufficiently stretched and have disadvantages of low compressive strength, high cost, and poor dimensional stability, and thus their stress-induced crystallization is obviously lower than that of natural rubber [4,5].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Performance of cis‐Polybutadiene Rubber Composite Materials Reinforced by Organic Modified Palygorskite Nanomaterials

Wang

Feng

Tang

et al. 2013

Journal of Nanomaterials

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The hydrophilic character of palygorskite has been modified by grafting organic group and controlling surface energy for improving compatibility of palygorskite in rubber matrix using palygorskite ascis-polybutadiene rubber fillers. The effects of coupling modification on the performance ofcis-polybutadiene rubber materials filled with palygorskite were investigated, and the influence of coupling agent dosage on their mechanical properties was also studied. The results indicated that the mechanical performance ofcis-polybutadiene rubber materials reinforced by modified palygorskite could be improved significantly, and the tensile strength and tearing strength increased by 122.5% and 107.6% at the optimal dosage (15%) of coupling agent 3-mercaptopropyl trimethoxysilane. Moreover, the reinforcement mechanism of rubber composite materials as prepared was also analyzed.

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Capillary column inverse gas chromatography to determine the thermodynamic parameters of binary solvent poly (styrene-block-butadiene) rubber systems

Benguergoura

Allel

Saeed

et al. 2021

Arabian Journal of Chemistry

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Solubility of organic solvents in 1,4-cis-polybutadiene

Cited by 6 publications

References 18 publications

A modified UNIFAC-ZM model and phase equilibrium prediction of silicone polymers with ABE solution

A modified UNIFAC-ZM model and phase equilibrium prediction of silicone polymers with ABE solution

Preparation and Performance of cis‐Polybutadiene Rubber Composite Materials Reinforced by Organic Modified Palygorskite Nanomaterials

Capillary column inverse gas chromatography to determine the thermodynamic parameters of binary solvent poly (styrene-block-butadiene) rubber systems

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