Living random copolymerization of ethene and norbornene using ansa‐fluorenylamidodimethyltitanium complex | Zendy

Hasan Tariqul | Zendy; Shiono Takeshi | Zendy; Ikeda Tomiki | Zendy

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Living random copolymerization of ethene and norbornene using ansa‐fluorenylamidodimethyltitanium complex

Author(s) -

Hasan Tariqul,

Shiono Takeshi,

Ikeda Tomiki

Publication year - 2004

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.200450913

Subject(s) - norbornene , methylaluminoxane , copolymer , polymer chemistry , glass transition , polymerization , molar mass distribution , materials science , metallocene , polymer , composite material

Ethene‐norbornene copolymerizations were conducted by ( t ‐BuNMe 2 SiFlu)TiMe 2 ( 1 ) activated with dried methylaluminoxane (MAO) (free from Me 3 Al) at 0°C and 20°C under atmospheric pressure of ethene at various norbornene concentrations. At 0°C and high norbornene concentration, the molecular weight of the copolymer increased linearly against polymerization time while keeping narrow molecular‐weight distribution. The 13 C NMR spectrum revealed that random copolymer with 53 mol‐% of norbornene was obtained. The glass transition temperature was above 150°C.

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