Precise Synthesis of Bottlebrush Block Copolymers from ω-End-Norbornyl Polystyrene and Poly(4-tert-butoxystyrene) via Living Anionic Polymerization and Ring-Opening Metathesis Polymerization
Publication type: Journal Article
Publication date: 2018-01-09
scimago Q1
wos Q1
SJR: 1.352
CiteScore: 9.0
Impact factor: 5.2
ISSN: 00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
A facile and efficient synthetic grafting-through strategy for preparing well-defined bottlebrush block copolymers (BBCPs) was developed through a combination of living anionic polymerization (LAP) and ring-opening metathesis polymerization (ROMP). ω-End-norbornyl polystyrene (NPSt) and poly(4-tert-butoxystyrene) (NPtBOS) were synthesized by LAP using terminator of chlorine moiety containing silane-protecting amine and coupled with a subsequent amidation using norbornyl activated ester. Bottlebrush homopolymers of NPSt were obtained by ROMP with ultrahigh molecular weights (MWs, Mw = 2928 kDa) and narrow molecular weight distributions (MWDs, Đ = 1.07) at high degree of polymerizations (DPw = 1084). Well-defined BBCPs with ultrahigh MWs (Mw ∼ 3055 kDa) and narrow MWDs (Đ ∼ 1.13) were synthesized through sequential ROMP of NPSt with NPtBOS. The effect of ultrahigh MWs was investigated by self-assembly of the BBCPs in which the phase-separated BBCPs presented periodic lamellar structures and exhibited struct...
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Citations from 2024:
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(18.64%)
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Yu Y. G. et al. Precise Synthesis of Bottlebrush Block Copolymers from ω-End-Norbornyl Polystyrene and Poly(4-tert-butoxystyrene) via Living Anionic Polymerization and Ring-Opening Metathesis Polymerization // Macromolecules. 2018. Vol. 51. No. 2. pp. 447-455.
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Grubbs R. K. Precise Synthesis of Bottlebrush Block Copolymers from ω-End-Norbornyl Polystyrene and Poly(4-tert-butoxystyrene) via Living Anionic Polymerization and Ring-Opening Metathesis Polymerization // Macromolecules. 2018. Vol. 51. No. 2. pp. 447-455.
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TY - JOUR
DO - 10.1021/acs.macromol.7b02447
UR - https://doi.org/10.1021/acs.macromol.7b02447
TI - Precise Synthesis of Bottlebrush Block Copolymers from ω-End-Norbornyl Polystyrene and Poly(4-tert-butoxystyrene) via Living Anionic Polymerization and Ring-Opening Metathesis Polymerization
T2 - Macromolecules
AU - Grubbs, Robert K.
PY - 2018
DA - 2018/01/09
PB - American Chemical Society (ACS)
SP - 447-455
IS - 2
VL - 51
SN - 0024-9297
SN - 1520-5835
ER -
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@article{2018_Yu,
author = {Robert K. Grubbs},
title = {Precise Synthesis of Bottlebrush Block Copolymers from ω-End-Norbornyl Polystyrene and Poly(4-tert-butoxystyrene) via Living Anionic Polymerization and Ring-Opening Metathesis Polymerization},
journal = {Macromolecules},
year = {2018},
volume = {51},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/acs.macromol.7b02447},
number = {2},
pages = {447--455},
doi = {10.1021/acs.macromol.7b02447}
}
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MLA
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Yu., Yong Guen, et al. “Precise Synthesis of Bottlebrush Block Copolymers from ω-End-Norbornyl Polystyrene and Poly(4-tert-butoxystyrene) via Living Anionic Polymerization and Ring-Opening Metathesis Polymerization.” Macromolecules, vol. 51, no. 2, Jan. 2018, pp. 447-455. https://doi.org/10.1021/acs.macromol.7b02447.