Preparation and characterization of agglomerated porous hollow silica supports for olefin polymerization catalyst
β Scribed by Jian-Feng Chen; Ji-Rui Song; Li-Xiong Wen; Hai-Kui Zou; Lei Shao
- Book ID
- 116670148
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 802 KB
- Volume
- 353
- Category
- Article
- ISSN
- 0022-3093
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## Abstract Four supported metallocene catalysts were synthesized directly on silica [Si(CpZrCp), Si(CpZrInd), Si(IndZrCp), and Si(IndZrInd)]. The first ligand was chemically tethered to silica (internal ligand) while the second was free from silica (external ligand). The polymerization of ethylene
A novel polymer-supported metallocene catalyst with crosslinked poly(styrene-co-acrylamide) (PSAm) as the support has been prepared and characterized. The probability of long sequences of acrylamide (Am) in PSAm is still low even at an Am amount of 32.8 mol %, implying the relatively homogeneous dis