Solid aluminoxane for catalyst carrier, process for preparing the same, and uses thereof

摘要

A solid aluminoxane selected from an aluminoxane represented by the following formula (I), an aluminoxane represented by the following formula (II) and an aluminoxane having a recurring unit represented by the following formula (IIIa) and a recurring unit represented by the following formula (IIIb); wherein R is a hydrocarbon group of 1 to 10 carbon atoms, m is an integer of 2 to 500, and n and p are each an integer of 1 or more; said aluminoxane having a bulk density of 0.01 to 1.0 g/cc.