Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1997-06-05
1999-10-26
Le, Hoa T.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
427212, 427221, B32B 516
Patent
active
059725109
ABSTRACT:
Olefins may be polymerised in the presence of a catalytic system comprising a metallocene and an organic aluminum compound supported on a mesoporous material to produce polyolefins. The mesoporous material comprises atoms of one or more elements selected from the group consisting of Group 1, 2, 3 and 5 elements germanium, tin, lead and transition metals. The polyolefins are produced as spherulite particles of average diameter from about 5 .mu.m to about 20 .mu.m which have a distinct core and shell arrangement.
REFERENCES:
J. Tudor et al., Chem. Commun. (1997), 603-604.
O'Hare Dermot
Tudor Jonathon
Isis Innovation Limited
Le Hoa T.
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