Patent ID: 7309747
Filing Date: 2007-12-18
Classification: C08F,C09J,Y10S,Y10T

Abstract:
1. A process for producing a high-fluidity 1-butene-based polymer, comprising: homopolymerizing 1-butene, or copolymerizing 1-butene with ethylene and/or a C (A) a transition metal compound having as a ligand, a double crosslinking type biscyclopentadienyl derivative represented by the following general formula (II): wherein M is a metal element belonging to Groups 3 to 10 or lanthanoid of the Period Table; X Y R A q is an integer of 1 to 5 given by the formula: and r is an integer of 0 to 3, and (B) at least one component selected from the group consisting of (B-1) a compound capable of forming an ionic complex by reacting with said transition metal compound (A), and (B-2) aluminoxane.