Phase behaviour of hyperbranched polymers in demixed solvents

Philipp Schrader, Tim Zeiner, Christina Browarzik, Mahmudian Jergarluee Puyan, Sabine Enders

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Abstract

Hyperbranched polymers have attracted increased interest because of their tunable properties, which are affected by their architecture and a wide range of different functional groups. Many applications of hyperbranched polymers have been proposed based on their liquid-liquid phase behaviour. In recent years, the Lattice Cluster Theory (LCT) has been used to consider the impact of the architecture on the phase behaviour of hyperbranched polymers. In the theoretical framework of the LCT, the chain architecture is included in the Helmholtz energy, so all derived properties are influenced by polymer architecture. Until now, the application of the LCT in the field of hyperbranched polymers has been limited to ternary systems composed of one polymer with an arbitrary chain structure, one trimer and one solvent. This paper aims to extend the LCT to a ternary system that includes two polymers with an arbitrary chain structure and one solvent occupying one lattice site. In contrast to previous studies, the ternary system consists of Boltorn H20+butan-1-ol+water, where all of the binary subsystems show demixing behaviour. Whereas experimental data are reported in the literature for the binary subsystems Boltorn H20+water and butan-1-ol+water, no experimental information is available for the binary subsystem Boltorn H20+butan-1-ol. Therefore, the phase behaviour of this subsystem was measured using the visual method. The paper discusses the possibility of predicting the ternary phase behaviour with the LCT in combination with the modified Wertheim theory based on knowledge of the phase behaviour of the corresponding binary subsystems. To verify the theoretical results, the ternary phase equilibria at constant temperature were also measured. In addition, the dependence of the thermodynamic properties on the special production lot of the commercially available Boltorn H20 is discussed.

Originalspracheenglisch
Seiten (von - bis)1359-1373
Seitenumfang15
FachzeitschriftMolecular physics
Jahrgang110
Ausgabenummer11-12
DOIs
PublikationsstatusVeröffentlicht - 10 Jun 2012

Fingerprint

dendrimers
Phase behavior
Polymers
ternary systems
Ternary systems
polymers
Water
water
trimers
Liquids
Thermodynamics
Phase equilibria
liquid phases
Functional groups
thermodynamic properties
Thermodynamic properties
Temperature
liquids

Schlagwörter

    ASJC Scopus subject areas

    • !!Physical and Theoretical Chemistry
    • !!Condensed Matter Physics
    • !!Biophysics
    • !!Molecular Biology

    Dies zitieren

    Schrader, P., Zeiner, T., Browarzik, C., Puyan, M. J., & Enders, S. (2012). Phase behaviour of hyperbranched polymers in demixed solvents. Molecular physics, 110(11-12), 1359-1373. https://doi.org/10.1080/00268976.2011.648964

    Phase behaviour of hyperbranched polymers in demixed solvents. / Schrader, Philipp; Zeiner, Tim; Browarzik, Christina; Puyan, Mahmudian Jergarluee; Enders, Sabine.

    in: Molecular physics, Jahrgang 110, Nr. 11-12, 10.06.2012, S. 1359-1373.

    Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

    Schrader, P, Zeiner, T, Browarzik, C, Puyan, MJ & Enders, S 2012, 'Phase behaviour of hyperbranched polymers in demixed solvents' Molecular physics, Jg. 110, Nr. 11-12, S. 1359-1373. https://doi.org/10.1080/00268976.2011.648964
    Schrader, Philipp ; Zeiner, Tim ; Browarzik, Christina ; Puyan, Mahmudian Jergarluee ; Enders, Sabine. / Phase behaviour of hyperbranched polymers in demixed solvents. in: Molecular physics. 2012 ; Jahrgang 110, Nr. 11-12. S. 1359-1373.
    @article{3b9e4a5bbe7a4c409279707e975caf41,
    title = "Phase behaviour of hyperbranched polymers in demixed solvents",
    abstract = "Hyperbranched polymers have attracted increased interest because of their tunable properties, which are affected by their architecture and a wide range of different functional groups. Many applications of hyperbranched polymers have been proposed based on their liquid-liquid phase behaviour. In recent years, the Lattice Cluster Theory (LCT) has been used to consider the impact of the architecture on the phase behaviour of hyperbranched polymers. In the theoretical framework of the LCT, the chain architecture is included in the Helmholtz energy, so all derived properties are influenced by polymer architecture. Until now, the application of the LCT in the field of hyperbranched polymers has been limited to ternary systems composed of one polymer with an arbitrary chain structure, one trimer and one solvent. This paper aims to extend the LCT to a ternary system that includes two polymers with an arbitrary chain structure and one solvent occupying one lattice site. In contrast to previous studies, the ternary system consists of Boltorn H20+butan-1-ol+water, where all of the binary subsystems show demixing behaviour. Whereas experimental data are reported in the literature for the binary subsystems Boltorn H20+water and butan-1-ol+water, no experimental information is available for the binary subsystem Boltorn H20+butan-1-ol. Therefore, the phase behaviour of this subsystem was measured using the visual method. The paper discusses the possibility of predicting the ternary phase behaviour with the LCT in combination with the modified Wertheim theory based on knowledge of the phase behaviour of the corresponding binary subsystems. To verify the theoretical results, the ternary phase equilibria at constant temperature were also measured. In addition, the dependence of the thermodynamic properties on the special production lot of the commercially available Boltorn H20 is discussed.",
    keywords = "hyperbranched polymers, Lattice Cluster Theory, liquid-liquid equilibria, theory of liquids, Wertheim theory",
    author = "Philipp Schrader and Tim Zeiner and Christina Browarzik and Puyan, {Mahmudian Jergarluee} and Sabine Enders",
    year = "2012",
    month = "6",
    day = "10",
    doi = "10.1080/00268976.2011.648964",
    language = "English",
    volume = "110",
    pages = "1359--1373",
    journal = "Molecular physics",
    issn = "0026-8976",
    publisher = "Taylor & Francis Group",
    number = "11-12",

    }

    TY - JOUR

    T1 - Phase behaviour of hyperbranched polymers in demixed solvents

    AU - Schrader, Philipp

    AU - Zeiner, Tim

    AU - Browarzik, Christina

    AU - Puyan, Mahmudian Jergarluee

    AU - Enders, Sabine

    PY - 2012/6/10

    Y1 - 2012/6/10

    N2 - Hyperbranched polymers have attracted increased interest because of their tunable properties, which are affected by their architecture and a wide range of different functional groups. Many applications of hyperbranched polymers have been proposed based on their liquid-liquid phase behaviour. In recent years, the Lattice Cluster Theory (LCT) has been used to consider the impact of the architecture on the phase behaviour of hyperbranched polymers. In the theoretical framework of the LCT, the chain architecture is included in the Helmholtz energy, so all derived properties are influenced by polymer architecture. Until now, the application of the LCT in the field of hyperbranched polymers has been limited to ternary systems composed of one polymer with an arbitrary chain structure, one trimer and one solvent. This paper aims to extend the LCT to a ternary system that includes two polymers with an arbitrary chain structure and one solvent occupying one lattice site. In contrast to previous studies, the ternary system consists of Boltorn H20+butan-1-ol+water, where all of the binary subsystems show demixing behaviour. Whereas experimental data are reported in the literature for the binary subsystems Boltorn H20+water and butan-1-ol+water, no experimental information is available for the binary subsystem Boltorn H20+butan-1-ol. Therefore, the phase behaviour of this subsystem was measured using the visual method. The paper discusses the possibility of predicting the ternary phase behaviour with the LCT in combination with the modified Wertheim theory based on knowledge of the phase behaviour of the corresponding binary subsystems. To verify the theoretical results, the ternary phase equilibria at constant temperature were also measured. In addition, the dependence of the thermodynamic properties on the special production lot of the commercially available Boltorn H20 is discussed.

    AB - Hyperbranched polymers have attracted increased interest because of their tunable properties, which are affected by their architecture and a wide range of different functional groups. Many applications of hyperbranched polymers have been proposed based on their liquid-liquid phase behaviour. In recent years, the Lattice Cluster Theory (LCT) has been used to consider the impact of the architecture on the phase behaviour of hyperbranched polymers. In the theoretical framework of the LCT, the chain architecture is included in the Helmholtz energy, so all derived properties are influenced by polymer architecture. Until now, the application of the LCT in the field of hyperbranched polymers has been limited to ternary systems composed of one polymer with an arbitrary chain structure, one trimer and one solvent. This paper aims to extend the LCT to a ternary system that includes two polymers with an arbitrary chain structure and one solvent occupying one lattice site. In contrast to previous studies, the ternary system consists of Boltorn H20+butan-1-ol+water, where all of the binary subsystems show demixing behaviour. Whereas experimental data are reported in the literature for the binary subsystems Boltorn H20+water and butan-1-ol+water, no experimental information is available for the binary subsystem Boltorn H20+butan-1-ol. Therefore, the phase behaviour of this subsystem was measured using the visual method. The paper discusses the possibility of predicting the ternary phase behaviour with the LCT in combination with the modified Wertheim theory based on knowledge of the phase behaviour of the corresponding binary subsystems. To verify the theoretical results, the ternary phase equilibria at constant temperature were also measured. In addition, the dependence of the thermodynamic properties on the special production lot of the commercially available Boltorn H20 is discussed.

    KW - hyperbranched polymers

    KW - Lattice Cluster Theory

    KW - liquid-liquid equilibria

    KW - theory of liquids

    KW - Wertheim theory

    UR - http://www.scopus.com/inward/record.url?scp=84862518225&partnerID=8YFLogxK

    U2 - 10.1080/00268976.2011.648964

    DO - 10.1080/00268976.2011.648964

    M3 - Article

    VL - 110

    SP - 1359

    EP - 1373

    JO - Molecular physics

    JF - Molecular physics

    SN - 0026-8976

    IS - 11-12

    ER -