Technical Note:

1. Chiral, stereorigid metallocene catalyst with co-catalyst methylaluminoxane (MAO) is a type of Ziegler-Natta catalyst, showing extremely high activity for polymerization of olefins such as ethylene, propylene, and styrene.

References:

1. Organometallics, 1994, 13. 954.

2. US Patents 5,103,030; 5,017,714.