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The Role of CaO in the Ziegler–Natta Catalyst for Propylene Polymerization.
- Source :
-
Catalysis Letters . Jul2006, Vol. 109 Issue 3/4, p147-152. 6p. 2 Diagrams, 1 Chart, 4 Graphs. - Publication Year :
- 2006
-
Abstract
- A certain amount of CaO enhanced the activity of Ziegler–Natta catalyst during propylene polymerization, but decreased isotacticity. The results indicated that CaO accelerated the initial polymerization rates and improved catalyst against deactivation without effects on melting point, crystallinity and morphology of polypropylene. The electron spin resonance (ESR) results revealed that CaO facilitated the reduction of Ti4+ species. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 1011372X
- Volume :
- 109
- Issue :
- 3/4
- Database :
- Academic Search Index
- Journal :
- Catalysis Letters
- Publication Type :
- Academic Journal
- Accession number :
- 21099840
- Full Text :
- https://doi.org/10.1007/s10562-006-0071-5