A first study on copolymers of a methacrylate containing the 2-(hydroxyimino)aldehyde group and OEGMA. RAFT polymerization and assessment of thermal and photoresponsive polymer behavior
Literature Information
Publication Date
2017-06-23
DOI
10.1039/C7PY00975E
Impact Factor
5.582
Authors
Francesca D'Acunzo, Mariangela Clemente, Giampiero Proietti
View Original
Abstract
We report the first synthesis of 4-[(hydroxyimino)aldehyde]butyl methacrylate and its RAFT copolymerization with oligo(ethylene glycol) monomethylether methacrylate. For comparison, 6-(hydroxyimino)hexyl methacrylate, containing a free oxime group, and 6-oxohexyl methacrylate, with an aldehyde group, are also synthesized and subjected to RAFT copolymerization with OEGMA. DP(GPC) values of all polymers are in the 18–33 range with PDI < 1.2. Interestingly, the thermal behavior of aqueous solutions of the 2-(hydroxyimino)aldehyde-containing copolymers exhibit a lower cloud point than their analogs, which comprise only a CN(OH) or CHO functionality. This effect can be ascribed to the simultaneous presence of a hydrogen donor and acceptor in the 2-(hydroxyimino)aldehyde group. Moreover, we present evidence for the thermally reversible E/Z photoisomerism of the 2-(hydroxyimino)aldehyde group (HIA) both in HIABMA and in its copolymers.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
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5-(2-Methyl-3-furyl)-4-phenyl-2,4-dihydro-3H-1,2,4-triazole-3-thione
CAS Number:
346464-59-3
Molecular Formula:
C13H11N3OS
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CAS Number:
800381-60-6
Molecular Formula:
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4-Methyl-2-oxo-2H-chromen-7-yl 2-acetamido-2-deoxy-3-O-(6-deoxy-alpha-L-galactopyranosyl)-beta-D-glucopyranoside
CAS Number:
383160-12-1
Molecular Formula:
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