том 37 издание 9 страницы 3120-3127

Polystyrene with Designed Molecular Weight Distribution by Atom Transfer Radical Coupling

Тип публикацииJournal Article
Дата публикации2004-04-09
SCImago Q1
Tоп 10% SCImago
WOS Q1
БС1
SJR1.257
CiteScore8.8
Impact factor5.7
ISSN00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Краткое описание
Copper-mediated atom transfer radical coupling (ATRC) was studied for monobrominated and dibrominated polystyrenes as well as their mixtures. In the ATRC process macroradicals, generated in situ by an atom transfer radical equilibrium, participate in coupling reactions in the presence of a reducing agent, such as nanosize copper, zerovalent iron, tin octanoate (SnOct2), and ascorbic acid. 1H NMR analyses performed on the coupling product of monobrominated polystyrene (PStBr) showed the disappearance of the signal attributed to the methine proton located in the α-position to the bromine. ATRC is influenced by the nature of ligand as well as the amounts of ligand and zerovalent metal used in the process. The molecular weight of the coupling product is a function of the extent of coupling, which is defined by the proportion of polymeric chains participated in the reaction. Thus, molecular weights of the ATRC products of monobrominated polystyrene were approximately twice higher than those of PStBr precursors...
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ГОСТ |
Цитировать
Sarbu T. et al. Polystyrene with Designed Molecular Weight Distribution by Atom Transfer Radical Coupling // Macromolecules. 2004. Vol. 37. No. 9. pp. 3120-3127.
ГОСТ со всеми авторами (до 50) Скопировать
Sarbu T., Lin K. Y., Ell J., Siegwart D. J., Spanswick J., Matyjaszewski K. Polystyrene with Designed Molecular Weight Distribution by Atom Transfer Radical Coupling // Macromolecules. 2004. Vol. 37. No. 9. pp. 3120-3127.
RIS |
Цитировать
TY - JOUR
DO - 10.1021/ma035901h
UR - https://doi.org/10.1021/ma035901h
TI - Polystyrene with Designed Molecular Weight Distribution by Atom Transfer Radical Coupling
T2 - Macromolecules
AU - Sarbu, Traian
AU - Lin, Koon Yee
AU - Ell, John
AU - Siegwart, Daniel J
AU - Spanswick, James
AU - Matyjaszewski, Krzysztof
PY - 2004
DA - 2004/04/09
PB - American Chemical Society (ACS)
SP - 3120-3127
IS - 9
VL - 37
SN - 0024-9297
SN - 1520-5835
ER -
BibTex |
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BibTex (до 50 авторов) Скопировать
@article{2004_Sarbu,
author = {Traian Sarbu and Koon Yee Lin and John Ell and Daniel J Siegwart and James Spanswick and Krzysztof Matyjaszewski},
title = {Polystyrene with Designed Molecular Weight Distribution by Atom Transfer Radical Coupling},
journal = {Macromolecules},
year = {2004},
volume = {37},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/ma035901h},
number = {9},
pages = {3120--3127},
doi = {10.1021/ma035901h}
}
MLA
Цитировать
Sarbu, Traian, et al. “Polystyrene with Designed Molecular Weight Distribution by Atom Transfer Radical Coupling.” Macromolecules, vol. 37, no. 9, Apr. 2004, pp. 3120-3127. https://doi.org/10.1021/ma035901h.
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