Tuning the ligand structure in metallocene polymerization catalysts

Autor:	Walter Kaminsky, Frank Freidanck
Rok vydání:	2002
Předmět:	chemistry.chemical_classification Polymers and Plastics Meso compound Ligand Organic Chemistry Polymer Condensed Matter Physics Catalysis Linear low-density polyethylene chemistry.chemical_compound chemistry Polymer chemistry Materials Chemistry Copolymer Thermoplastic elastomer Metallocene
Zdroj:	Macromolecular Symposia. 183:89-94
ISSN:	1521-3900 1022-1360
DOI:	10.1002/1521-3900(200207)183:1<89::aid-masy89>3.0.co;2-l
Popis:	Meso-[Me 2 Si(2-Me-4,6- i Pr 2 Ind) 2 ZrCl 2 was synthesized in a pure form and used as catalyst for the copolymerization of ethene and α-olefins. The results are compared with polymers obtained by C 1 -symmetric metallocenes and constrained geometry catalysts. The activity of the meso form is remarkable high and reaches more than 100 000 kg polymer/mol Zr . h. The ligand structure has large influence on the incorporation of 1-octene forming thermoplastics (LLDPE) and thermoplastic elastomers (POE).
Databáze:	OpenAIRE
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