Polymerization of olefins on supported catalysts
β Scribed by Werber, F. X.
- Book ID
- 120105758
- Publisher
- Springer-Verlag
- Year
- 1959
- Weight
- 236 KB
- Volume
- 1
- Category
- Article
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π SIMILAR VOLUMES
Copolymerization of ethylene with higher a-olefins, such as 4-methyl-1-pentene, 1-hexene, 1-octene and 1-dodecene, was carried out with both aspecific and isospecific bridged metallocene complexes, comparing the catalytic behaviour Ε½ . following metallocene supportation on methylalumoxane-pretreated
## Abstract CHβtype catalysts were prepared by reacting MgCl~2~ Β· ROH, where ROH is 2βethyl hexanol (EH), (R)β2βoctanol (Rβ20), and (S)β2βoctanol (Sβ20), with TiCl~4~ in the presence of diβ__i__βbutyl phthalate (BP), diβ__i__βbutyl terephthalate (BT), (β)βdimenthyl phthalate (MP), or (β)βdimenthyl
A systematic study has been made on the functions of external Lewis base (Be, methyl-p-toluate, MPT) and internal Lewis base (Bi, ethyl benzoate, EB) for the CW-catalyst system MgCl,/EB/PC/AlEt,/TiCl,-AlEt,/MF'T (PC, p-cresol). Bi is a nonstereoselective modifier. It increases the active site concen