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Summary: A well‐defined flat model of a supported homogeneous polyolefin catalyst is prepared on the basis of an immobilized bis(imino)pyridyl iron complex on a super flat silica surface. The amount of supported catalyst precursor is quantified using XPS. This model catalyst remains active over extended periods, i.e., an average activity of 0.25 × 103 kg PE · (molCat · h · bar)−1 is obtained for 24 h of ethylene polymerization. The morphology of the nascent polyethylene film is investigated by SEM. A side‐view SEM image of the PE produced from the supported bis(imino)pyridyl Fe catalyst. magnified image A side‐view SEM image of the PE produced from the supported bis(imino)pyridyl Fe catalyst.
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Han et al. (2006) studied this question.
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