Toluene → Ethylene 5-norbornen-2-ol

Temperature

20 °C

A glass reactor was loaded inside a glove box with L(iPr2)Ni(ηl-CH2Ph)(PMe3) (about 20 μmol; 2.00 g of 8.77 mM solution in toluene), Ni(COD)2 (about 50 μmol; 2.50 g of 17.6 mM solution in toluene), 5-norbornen-2-ol (about 0.91 mmol; 3.00 g of 0.26 M solution in toluene) and toluene (about 18.45 g) such that the total volume of the toluene solution was about 30 mL. The glass reactor was sealed inside the glove box and taken out. Ethylene was fed continuously into the reactor at about 100 psi and the pressurized reaction mixture was stirred at about 20° C. Ethylene was vented after about 20 minutes and acetone was added to quench the polymerization. The precipitated polymer was collected by filtration and dried under high vacuum overnight. About 0.102 g of ethylene/5-norbornen-2-ol co-polymer was obtained. The activity of the catalyst with respect to ethylene consumption was about 88 kg mol−1 h−1.

1. customThe glass reactor was sealed inside the glove box
2. customto quench
3. customthe polymerization
4. filtrationThe precipitated polymer was collected by filtration
5. customdried under high vacuum overnight

ORD record

ord-ca0a13a5e00241a5811c49e3e3e0161c

Source dataset

uspto-grants-2007_08

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US07259214B2