2026-03-12T22:42:24Z https://nagoya.repo.nii.ac.jp/oai

oai:nagoya.repo.nii.ac.jp:00028501 2023-01-16T04:20:52Z 320:321:322

Construction of Sequence-Regulated Vinyl Copolymers via Iterative Single Vinyl Monomer Additions and Subsequent Metal-Catalyzed Step-Growth Radical Polymerization Satoh, Kotaro Ishizuka, Kenta Hamada, Tsuyoshi Handa, Masato Abe, Tomohiro Ozawa, Satoshi Miyajima, Masato Kamigaito, Masami A series of sequence-regulated vinyl copolymers with high-order and long vinyl monomer sequences were constructed via a combination of iterative single vinyl monomer additions, which were mediated by radical and cationic intermediates, and subsequent metal-catalyzed step-growth radical polymerization. The construction of vinyl monomer sequences was attained by iterative single monomer radical and cationic additions between a dichloride, having a similar substituent to that of vinyl monomers, and vinyl monomers such as styrenes, acrylates, and acrylonitrile. The resulting products were converted into sequence-regulated ab-type monomers that have embedded vinyl monomer sequences between an unconjugated C═C bond and reactive C–Cl bond via selective allylation of one of the two C–Cl bonds at their terminals. The synthesized sequence-regulated ab-type monomers were polymerized via metal-catalyzed step-growth radical polymerization, which resulted in vinyl chloride units via repetitive intermolecular addition reactions between the C═C and C–Cl terminals. Alternatively, aa- and bb-type sequence-regulated monomers, which have two unconjugated C═C and two reactive C–Cl bonds, respectively, were prepared by similar iterative single monomer additions and were subsequently polymerized via metal-catalyzed step-growth radical polymerization. The repeating vinyl monomer sequence codes in the resulting polymers, such as ABCC, ABCD, ABBAC, ABDBAC, and ABDBACAEEAC, varied from 4 to 11 monomer units in which the embedded vinyl monomer units were styrenes, acrylates, acrylamides, acrylonitrile, vinyl chloride, vinylidene chloride, and ethylene. journal article ACS Publications 2019-05-14 application/pdf Macromolecules 9 52 3327 3341 0024-9297 https://nagoya.repo.nii.ac.jp/record/28501/files/MACROMOLECULES_52_9_2019_3327-3341.pdf http://hdl.handle.net/2237/00030692 https://nagoya.repo.nii.ac.jp/records/28501 eng https://doi.org/10.1021/acs.macromol.9b00676 “This document is the Accepted Manuscript version of a Published Work that appeared in final form in [Macromolecules], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [https://pubs.acs.org/articlesonrequest/AOR-YPWWeB4KgQ4yxA4GqzIs].”