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Synthesis of High cis-Polybutadiene in Styrene Solution with Neodymium-Based Catalysts: Towards the Preparation of HIPS and ABS via In Situ Bulk Polymerization
المؤلفون المشاركون
Ramos-de Valle , L. F.
Enríquez-Medrano, Francisco Javier
Soriano Corral, Florentino
Díaz de León Gómez, Ramón Enrique
Gámez, José Francisco Hernández
Bosques Ibarra, Gabriela
de León Martínez, Patricia
López-González, Héctor Ricardo
المصدر
International Journal of Polymer Science
العدد
المجلد 2016، العدد 2016 (31 ديسمبر/كانون الأول 2016)، ص ص. 1-11، 11ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2016-11-14
دولة النشر
مصر
عدد الصفحات
11
التخصصات الرئيسية
الملخص EN
In a first step, 1,3-butadiene was selectively polymerized at 60°C in styrene as solvent using NdV3/DIBAH/EASC as the catalyst system.
The catalyst system activation process, the addition order of monomers and catalyst components, and the molar ratios [Al]/[Nd] and [Cl]/[Nd] were studied.
The catalyst system allowed the selective 1,3-butadiene polymerization, reaching conversions between 57.5 and 88.1% with low polystyrene contents in the order of 6.3 to 15.4%.
Molecular weights ranging from 39,000 to 150,000 g/mol were obtained, while cis-1,4 content was found in the interval of 94.4 to 96.4%.
On the other hand, the glass transition temperatures of synthesized materials were established in the range of −101.9 to −107.4°C, explained by the presence of polystyrene segments in the polybutadiene chains; in the same sense, the polybutadienes did not show the typical melting endotherm of high cis-polybutadienes.
In a second step, the resulting styrene/high cis-1,4 polybutadiene solutions were used to synthesize ABS (adding a fraction of acrylonitrile monomer) and HIPS via in situ bulk polymerizations and the results were discussed in terms of morphological development, molecular parameters, dynamical mechanical behavior, and mechanical properties.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Díaz de León Gómez, Ramón Enrique& Soriano Corral, Florentino& Enríquez-Medrano, Francisco Javier& Bosques Ibarra, Gabriela& de León Martínez, Patricia& Gámez, José Francisco Hernández…[et al.]. 2016. Synthesis of High cis-Polybutadiene in Styrene Solution with Neodymium-Based Catalysts: Towards the Preparation of HIPS and ABS via In Situ Bulk Polymerization. International Journal of Polymer Science،Vol. 2016, no. 2016, pp.1-11.
https://search.emarefa.net/detail/BIM-1106901
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Díaz de León Gómez, Ramón Enrique…[et al.]. Synthesis of High cis-Polybutadiene in Styrene Solution with Neodymium-Based Catalysts: Towards the Preparation of HIPS and ABS via In Situ Bulk Polymerization. International Journal of Polymer Science No. 2016 (2016), pp.1-11.
https://search.emarefa.net/detail/BIM-1106901
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Díaz de León Gómez, Ramón Enrique& Soriano Corral, Florentino& Enríquez-Medrano, Francisco Javier& Bosques Ibarra, Gabriela& de León Martínez, Patricia& Gámez, José Francisco Hernández…[et al.]. Synthesis of High cis-Polybutadiene in Styrene Solution with Neodymium-Based Catalysts: Towards the Preparation of HIPS and ABS via In Situ Bulk Polymerization. International Journal of Polymer Science. 2016. Vol. 2016, no. 2016, pp.1-11.
https://search.emarefa.net/detail/BIM-1106901
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1106901
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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