Journal
POLYMER CHEMISTRY
Volume 7, Issue 6, Pages 1264-1270Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5py01801c
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Funding
- NSFC [51073148, 21374112, 21304088]
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The unprecedented highly cis-1,4 selective (>99%) coordination-insertion polymerization of the polar monomer 2-(4-methoxyphenyl)-1,3-butadiene (2-MOPB) has been achieved using a beta-diketiminato yttrium bis(alkyl) complex to afford a hydrophilic plastic polymer P(2-MOPB) with a water contact angle of 87.7 degrees and glass transition temperature of 34.2 degrees C. The copolymerization of polar 2-MOPB and non-polar isoprene has also been successfully realized for the first time to produce a type of highly modified cis-1,4 polyisoprene with a wide range of 2-MOPB content (8.2%-88.5%). The composition was adjusted by regulating the monomer feed ratio according to the copolymerization kinetics. Hydrogenation of P(2-MOPB) provided an unusual alternating copolymer, poly(4-methoxystyrene-alt-ethylene) that could not be obtained via any other methods.
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