prov:value
| - The aluminoxane used as component (b) of the catalyst may be, for example, an organoaluminum compound represented by the following general formula [VII] or [VIII] ##STR44## wherein R represents a hydrocarbon group such as a methyl, ethyl, n-propyl, isopropyl, n-butyl or isobutyl group, preferably the methyl, ethyl or isobutyl group, especially preferably the methyl group, m is an integer of 2 or m
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