Popis: |
A novel Ti-based catalyst supported on poly (ethylene coacrylic acid) has been developed for olefin polymerization. The catalyst was tested for its performance with ethylene homo- and co-polymerizations with 1-hexene. The catalyst showed very high activity, comparable to those used in commercial processes, and no appreciable deactiviation was observed in two-hour polymerization. Polyethylene of high melting point, high degree of crystallinity, and molecular wieght were obtained. These properties can be regulated by employing hydrogen and comonomer. |