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Polymerization of butadiene and copolymerization of butadiene with styrene using neodymium amide catalysts
Author(s) -
Monteil Vincent,
Spitz Roger,
Boisson Christophe
Publication year - 2004
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.1434
Subject(s) - copolymer , 1,3 butadiene , cationic polymerization , polymerization , amide , polymer chemistry , catalysis , styrene butadiene , stereospecificity , styrene , chemistry , anionic addition polymerization , materials science , organic chemistry , polymer
The polymerization of butadiene was performed with catalysts based on the complex Nd{N(SiMe 3 ) 2 } 3 (1). This amide complex in combination with methyaluminoxane or with a boron compound ([HNMe 2 Ph][B(C 6 F 5 ) 4 ], [CPh 3 ][B(C 6 F 5 ) 4 ] or B(C 6 F 5 ) 3 ) and Al(iBu) 3 showed high activity and stereospecificity in polymerization of butadiene. The cationic complex [Nd{N(SiMe 3 ) 2 } 2 (THF) 2 ][B(C 6 F 5 ) 4 ] (2) was prepared by reaction of 1 and [HNMe 2 Ph][B(C 6 F 5 ) 4 ]. The catalyst 2/Al(iBu) 3 (ratio Al/Nd: 10/1) was highly active for butadiene polymerization. Copolymerization of butadiene and styrene was performed with the catalytic system Nd{N(SiMe 3 ) 2 } 3 /[HNMe 2 Ph][B(C 6 F 5 ) 4 ]/Al(iBu) 3 (3). Copyright © 2004 Society of Chemical Industry
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