Ethylene → Ethene propene 1-butene

Temperatur

55 °C

A polymerization reactor of 4000 ml which was sufficiently purged with nitrogen was charged with 1834 ml of dried hexane, 110 g of 1-butene and triisobutylaluminum (1.0 mmol) at ambient temperature. Then, an inside of the polymerization reactor was heated to 55° C., and pressure was applied by propylene so that the inside pressure of the system was 0.58 MPa. Thereafter, the inside pressure of the system was controlled to 0.75 MPa by ethylene. Next, diphenylmethylene(3-tert-butyl-5-ethylcyclopentadienyl)(2,7-di-tert-butylfluorenyl)zirconium dichloride synthesized in Catalyst Synthetic Example 4 was mixed with a toluene solution of methylaluminoxane (manufactured by Tosoh Finechem Corporation) to prepare a toluene solution containing an aluminum atom and a zirconium atom in a proportion of aluminum atom/zirconium atom=300/1 (mole ratio), and then the above toluene solution was taken in an amount containing 0.001 mmol of a zirconium atom (accordingly, an amount containing 0.3 mmol of an aluminum atom) and added to the polymerization reactor. They were polymerized at an inside temperature of 55° C. for 25 minutes while maintaining the inside pressure of the system at 0.75 MPa by ethylene, and 20 ml of methanol was added to terminate the polymerization. After releasing the pressure, the polymer was deposited from the polymerization solution in 4 L of methanol, and the polymer was dried at 130° C. for 12 hours under vacuum. The polymer thus obtained had a weight of 120.2 g and MFR of 0.7 (g/10 minutes). The physical properties obtained by measuring the polymer obtained above are shown in Table 6.

1. customA polymerization reactor of 4000 ml which was sufficiently purged with nitrogen
2. additioncontaining an aluminum atom
3. additioncontaining 0.001 mmol of a zirconium atom (accordingly, an amount
4. additioncontaining 0.3 mmol of an aluminum atom) and
5. additionadded to the polymerization reactor
6. customThey were polymerized at an inside temperature of 55° C. for 25 minutes
7. additionwas added
8. customto terminate
9. customthe polymerization
10. customthe polymer was dried at 130° C. for 12 hours under vacuum
11. customThe polymer thus obtained
12. customa weight of 120.2 g and MFR of 0.7 (g/10 minutes)
13. customThe physical properties obtained
14. customobtained

ORD-Eintrag

ord-bfb34bf2da6b449682583b64d2893d4b

Quelldatensatz

uspto-grants-2012_01

DOI

10.6084/m9.figshare.5104873.v1

Patentnummer

US08101684B2