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Properties of Polystyrene Clay Nanocomposites Prepared Using Two New Imidazolium Surfactants
المؤلفون المشاركون
Di Pasquale, Giovanna
Pollicino, Antonino
المصدر
العدد
المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-11، 11ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2017-01-26
دولة النشر
مصر
عدد الصفحات
11
التخصصات الرئيسية
الملخص EN
Montmorillonite/polystyrene nanocomposites were prepared by in situ photopolymerization of styrene in the presence of 2% by weight of clay organomodified by two new imidazolium surfactants having in their structure an alkyl chain with 20 or 22 carbon atoms, respectively.
Thermogravimetry showed that the new surfactants are more thermally stable than conventional alkylammonium surfactants.
The properties of the obtained nanocomposites were compared with those of pristine polystyrene, with those of a microcomposite obtained by in situ polymerization of styrene in the presence of unmodified clay, and with those of a nanocomposite obtained starting from an organomodified clay with a short alkyl chain (12 carbon atoms) imidazolium surfactant.
XRD, TEM, and rheological analysis showed that the clay/PS nanocomposites have a mixture of intercalated and partially exfoliated structure layers, where the higher the surfactant alkyl chain length, the higher the exfoliation degree.
Kinetics curve of accelerated UV aging, obtained by following through infrared spectroscopy the increase of carbonyl functions during aging, showed that the rate of photooxidation of clay containing samples is higher than neat polystyrene.
The rate is higher as a function of the degree of dispersion of the filler in the polymer matrix.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Di Pasquale, Giovanna& Pollicino, Antonino. 2017. Properties of Polystyrene Clay Nanocomposites Prepared Using Two New Imidazolium Surfactants. Journal of Nanomaterials،Vol. 2017, no. 2017, pp.1-11.
https://search.emarefa.net/detail/BIM-1182824
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Di Pasquale, Giovanna& Pollicino, Antonino. Properties of Polystyrene Clay Nanocomposites Prepared Using Two New Imidazolium Surfactants. Journal of Nanomaterials No. 2017 (2017), pp.1-11.
https://search.emarefa.net/detail/BIM-1182824
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Di Pasquale, Giovanna& Pollicino, Antonino. Properties of Polystyrene Clay Nanocomposites Prepared Using Two New Imidazolium Surfactants. Journal of Nanomaterials. 2017. Vol. 2017, no. 2017, pp.1-11.
https://search.emarefa.net/detail/BIM-1182824
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1182824
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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