Sequence and Regularity Controlled Coordination Copolymerization
of Butadiene and Styrene: Strategy and Mechanism
Posted on 2017-01-18 - 17:20
The
stereoselective and sequence controlled coordination copolymerizations
of butadiene (BD) and styrene (St) with diblock, tapered, gradient,
and random sequence distributions were achieved for the first time
through varying the central metals of the rare-earth metal bis(alkyl)
catalyst precursors (Flu-CH2-Py)Ln(CH2SiMe3)2(THF)x (Flu = fluorenyl, Py = pyridyl, x = 1: Ln = Nd(1), Y(2), Tm(3); x = 0, Ln = Sc(4)). The thermal behavior, morphology,
and the mechanical property of these copolymers were analyzed, and
their relationships were established for the first time. The mechanism
of central metal size tuning the sequence distribution was discussed
based on DFT calculations.
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Lin, Fei; Wang, Meiyan; Pan, Yupeng; Tang, Tao; Cui, Dongmei; Liu, Bo (2017). Sequence and Regularity Controlled Coordination Copolymerization
of Butadiene and Styrene: Strategy and Mechanism. ACS Publications. Collection. https://doi.org/10.1021/acs.macromol.6b02413
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AUTHORS (6)
FL
Fei Lin
MW
Meiyan Wang
YP
Yupeng Pan
TT
Tao Tang
DC
Dongmei Cui
BL
Bo Liu