A flat model approach to tethered bis(imino)pyridyl iron ethylene polymerization catalysts
| العنوان: | A flat model approach to tethered bis(imino)pyridyl iron ethylene polymerization catalysts |
|---|---|
| المؤلفون: | JW Hans Niemantsverdriet, Peter C. Thüne, W Wei Han |
| المساهمون: | Inorganic Materials & Catalysis |
| المصدر: | Macromolecular Symposia, 260(1), 147-153. Wiley-VCH Verlag |
| بيانات النشر: | Wiley-VCH Verlag, 2007. |
| سنة النشر: | 2007 |
| مصطلحات موضوعية: | chemistry.chemical_classification, inorganic chemicals, Polymers and Plastics, Chemistry, organic chemicals, Organic Chemistry, technology, industry, and agriculture, Polymer, Polyethylene, Condensed Matter Physics, Catalysis, chemistry.chemical_compound, X-ray photoelectron spectroscopy, Polymerization, Polymer chemistry, Materials Chemistry, Coordination polymerization, Molar mass distribution, Extrusion, heterocyclic compounds |
| الوصف: | A surface science model for a silica supported bis(imino)pyridyl iron complexes is applied to reveal the surface chemistry of these heterogeneous polymerization catalysts. The polymerization activity of these models and the molecular weight distribution of the resulting polymer are comparable to similar catalysts supported on amorphous silica. The catalyst deactivates partially during the first hour of ethylene polymerization. Based on photoelectron spectroscopy (XPS) we attribute this deactivation to iron extrusion by the aluminium alkyl activator. |
| اللغة: | English |
| تدمد: | 1022-1360 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fcec1ffaedddc2bf935bf0f84d3b79d8 https://research.tue.nl/en/publications/67d2908b-c434-44c1-b36c-2bfba0a5b912 |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi.dedup.....fcec1ffaedddc2bf935bf0f84d3b79d8 |
| قاعدة البيانات: | OpenAIRE |
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