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UDK: 544.35+539.21

2016. - V. 30. - N 12(181). - P. 25-27

Vaycheslav Alexandrovich Shcherbakov, Julia Alexandrovna Salatova, Lyaysan Khanifovna Khasanova, Marina Yurievna Koroleva,

THE EFFECT OF SORBITAN MONOOLEATE ON THE STRUCTURE OF A HIGHLY POROUS POLYSTYRENE OBTAINED FROM THE HIGHLY CONCENTRATED W/O EMULSIONS

The stability of W/O emulsion styrene / sorbitan monooleate / water with sorbitan monooleate concentration from 0.2 to 6.3 vol%. was investigated. It was established that emulsions with a surfactant concentration less than 0.4 vol.% are unstable towards sedimentation and coalescence, and ones with surfactant concentration above 2.5 vol.% are unstable towards sedimentation only. Highly porous polystyrene was obtained from stable W/O emulsions. Surfactant concentration in W/O emulsion that is optimal for preparation of highly porous polystyrene was 0.4-0.8 vol.%. If the concentration of surfactant is above 0.8 vol.% the structure of highly porous polystyrene was partially damaged.

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First page of the article:

ВЛИЯНИЕ СОРБИТАНМОНООЛЕАТА НА СТРУКТУРУ ВЫСОКОПОРИСТОГО ПОЛИСТИРОЛА, ПОЛУЧЕННОГО НА ОСНОВЕ ОБРАТНЫХ ВЫСОКОКОНЦЕНТРИРОВАННЫХ ЭМУЛЬСИЙ

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Keywords

concentrated W/O emulsion   highly porous polystyrene   porous structure   stability   высококонцентрированная обратная эмульсия   высокопористый полистирол   пористая структура   устойчивость  


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