摘要
?Ethene/norbornene copolymerization by the catalyst system [Me_2Si( 3- tertBuCp)(N tertBu)]TiCl_2/MAO was investigated in detail at 30 ℃, 60℃, and 90℃. A mass flow controller was used in this work to obtain kine tic data and investigate tempera ture's effects on activity, norbornene incorporation, copolymerization parameter , microstructure, glass transition temperature, and molar masses were described. H igh copolymerization values r_E and high alternation are determined. The n umber of isotactic alternating sequences is much higher than that of the syndiot actic alter nating sequences.
Ethene/norbomene copolymerization by the catalyat system [Me2Si(3-^tertBuCp)(N^tertBu)]TiCl2/MAO was investigated in detail at 30℃,60℃,and 90℃,A mass flow controller was used in this work to ob-tain kinetic data and investigate temperature''''''''s effects on activity, norbomene incorporation,copolymerization parameter,microgtructure,glass transition temperature,and molar masses were described.High copolymer-izstion values rE and high altemation are determined.The number of isotactic altemating sequences is much higher than that of the syndiotactic altemating sequences.
