Results 1 to 10 of about 74,434 (294)

Ring-opening polymerization [PDF]

Chemistry Teacher International, 2021
Ring-opening polymerization is defined by IUPAC (Penczek, S., Moad, G. (2008). Glossary of the terms related to kinetics, thermodynamics, and mechanisms of polymerization.
Penczek Stanislaw, Pretula Julia, Slomkowski Stanislaw   +2 more
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Special Issue “Ring-Opening Polymerization” [PDF]

Molecules, 2016
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Takeshi Endo, Atsushi Sudo
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Dispersity-controlled ring-opening polymerization of epoxide [PDF]

Nature Communications
Dispersity or molar mass distribution (Ð M) profoundly influences polymer properties, but its control remains a challenge, especially for ring-opening polymerization (ROP).
Yubo Zhou, Junpeng Zhao, Guangzhao Zhang
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Cationic-anionic synchronous ring-opening polymerization [PDF]

Nature Communications
Chemical reactions with incompatible mechanisms (such as nucleophilic reactions and electrophilic reactions, cationic polymerization and anionic polymerization) are usually difficult to perform simultaneously in one-pot.
Wenli Wang, Xue Liang, Hengxu Liu, Jiamin Zhang, Yuanzu Zhang, Beibei Zhang, Jianhua Li, Yunqing Zhu, Jianzhong Du   +8 more
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Catalytic living ring-opening metathesis polymerization [PDF]

Nature Chemistry, 2015
In living ring-opening metathesis polymerization (ROMP), a transition-metal-carbene complex polymerizes ring-strained olefins with very good control of the molecular weight of the resulting polymers. Because one molecule of the initiator is required for each polymer chain, however, this type of polymerization is expensive for widespread use.
Nagarkar Amit, Kilbinger Andreas F.M.
openaire   +4 more sources

Recent advances in enantioselective ring-opening polymerization and copolymerization [PDF]

Communications Chemistry, 2023
Precisely controlling macromolecular stereochemistry and sequences is a powerful strategy for manipulating polymer properties. Controlled synthetic routes to prepare degradable polyester, polycarbonate, and polyether are of recent interest due to the ...
Xiaoyu Xie, Ziyu Huo, Eungyo Jang, Rong Tong   +3 more
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Intensive Cycloalkyl-Fused Pyridines for Aminopyridyl–Zinc–Heteroimidazoles Achieving High Efficiency toward the Ring-Opening Polymerization of Lactides [PDF]

Molecules
The model precatalyst sp3- and sp2-N dinitrogen-coordinated zinc–heteroimidazole has been used as an efficient catalyst for the ring-opening polymerization of cyclic esters.
Yun Wang, Wenjuan Zhang, Pengjiang Zhu, Wei You, Xiaopan Xue, Rui Wang, Yanping Ma, Wen-Hua Sun   +7 more
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Organocatalytic Ring-Opening Polymerization of Methyl-Substituted Glycolides [PDF]

ACS Polymers Au
Shrikant B. Nikam, Prakash Alagi, Jiaxi Xu, Safa Alkhamis, Nikos Hadjichristidis   +4 more
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Conditions to Control Furan Ring Opening during Furfuryl Alcohol Polymerization

Molecules, 2022
The chemistry of biomass-derived furans is particularly sensitive to ring openings. These side reactions occur during furfuryl alcohol polymerization.
Lucie Quinquet, Pierre Delliere, Nathanael Guigo   +2 more
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Photoinitiated Cationic Ring-Opening Polymerization of Octamethylcyclotetrasiloxane

Molecules, 2023
Photochemical techniques have recently been revitalized as they can readily be adapted to different polymerization modes to yield a wide range of complex macromolecular structures.
Zehra Gul Coban, Huseyin Cem Kiliclar, Yusuf Yagci   +2 more
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