Telechelic polystyrene/polyethylene copolymers and processes for making same
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United States of America Patent
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Dec 15, 1998
Grant Date -
N/A
app pub date -
Jul 29, 1996
filing date -
Aug 4, 1995
priority date (Note) -
Expired
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Abstract
Polyalkenylaromatic-polyethylene copolymers are prepared using protected functional organolithium initiators. Polymerization of an alkenylsubstituted aromatic monomer followed by ethylene, results in a protected functional block polystyrene-co-polyethylenyllithium. Termination with a functionalizing agent followed by deprotection produces polymeric products with high functionalization at the initiating chain-end and at least partial functionalization at the terminal chain-end.
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