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Modelling of high-impact polystyrene evolution using the Cahn-Hilliard approach

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F11%3A43891916" target="_blank" >RIV/60461373:22340/11:43891916 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Modelling of high-impact polystyrene evolution using the Cahn-Hilliard approach

  • Original language description

    The high-impact polystyrene (HIPS) is produced by the free radical polymerization of styrene in the presence of polybutadiene (PB). The formed PS is highly incompatible with the PB. At low conversion of styrene a phase separation takes place by mechanisms of nucleation or spinodal decomposition. The emerging phases are in thermodynamic equlibrium but increasing amount of PS in the system, grafting of the styrene onto the PB backbone, stirring of the mixture and interfacial forces lead to further morphology evolution. The morphology of HIPS can be desribed on two levels, (i) the micron sized PB domains distributed through the continuous PS phase, (ii) submicron PS occlusions inside the PB domains. This morphology is also known as the "salami" morphology. The model is based upon the modified Cahn-Hilliard equations and attempts to qualitatively describe the morphology evolution of the "salami" morphology of HIPS. Our model takes into account the reaction of styrene, polymer grafting, she

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    CI - Industrial chemistry and chemical engineering

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GAP106%2F11%2F1069" target="_blank" >GAP106/11/1069: Droplet breakup and coalescence in flowing immiscible polymer blends</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    38th International Conference of Slovak Society of Chemical Engineering

  • ISBN

    978-80-227-3503-2

  • ISSN

  • e-ISSN

  • Number of pages

    10

  • Pages from-to

    44-53

  • Publisher name

    Slovak Society of Chemical Engineering

  • Place of publication

    Bratislava

  • Event location

    Tatranské Matliare

  • Event date

    May 23, 2011

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article