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
5625013 Preparation of a supported catalyst for the polymerization of alpha-olefins
β Scribed by Hans-Joachim Mueller; Godofredo Follmer; Rainer Konrad; Roland Saive; Martin Lux; Hans-Helmut Goertz; Guido Funk
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 74 KB
- Volume
- 125
- Category
- Article
- ISSN
- 1381-1169
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π SIMILAR VOLUMES
## 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
Polymerization of propylene was carried out using a magnesium supported titanium catalyst in combination with triethylaluminium(TEA) and a p-substituted benzoate or a phenylcarbinol as the third component in n-heptane under atmospheric pressure, p-Substituted benzoates produced excellent improvement