3,3'-(Piperazine-1,4-diyl)bis(2-hydroxypropane-1-sulfonic acid) Sodium Salt
CAS Number:
108321-08-0
Molecular Formula:
C20H41N4Na3O16S4
Synthetic methodology effect on the microstructure and thermal properties of poly(n-butyl acrylate-co-methyl methacrylate) synthesized by nitroxide mediated polymerization
Literature Information
Publication Date
2011-04-26
DOI
10.1039/C1PY00066G
Impact Factor
5.582
Authors
Adeline Issoulie, Abdel Khoukh, Ahmed Benaboura, Maud Save, Christophe Derail, Laurent Billon
View Original
Abstract
In this work, we report the synthesis of poly(n-butyl acrylate-co-methyl methacrylate) copolymers by the nitroxide mediated polymerization (NMP) technique, using N-tert-butyl-N-(1-diethylphosphono-2,2-dimethylpropyl)nitroxide (SG1) as a control agent and 2-methylaminoxypropionic-SG1 alkoxyamine (BlocBuilder®) as the initiator. The copolymers are synthesized either by batch or semi-batch processes and the gradient profile is examined via the determination of the instantaneous fraction of monomer incorporated in the copolymer. A control of the molar mass together with low molar mass distribution (Mw/Mn < 1.4) is observed. The dependence of the copolymer glass transition temperature with conversion was followed by differential scanning calorimetry. The copolymers are investigated by carbon nuclear magnetic resonance and heteronuclear multiple bond correlation (HMBC) NMR sequences to study the effect of the monomer addition mode on the microstructure of copolymers. The thermomechanical properties of gradient copolymers are finally reported to establish the effect of the composition on the mechanical behaviour of the 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.
Recommended Compounds
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5-(2-Phenylpyrazolo[1,5-a]pyridin-3-yl)-2H-pyrazolo[3,4-c]pyridazin-3-amine
CAS Number:
865362-74-9
Molecular Formula:
C18H13N7
![5-Methoxy-1H-pyrrolo[3,2-b]pyridine structure](https://static.chemtradehub.com/structs/172/17288-40-3-a8d1.webp "5-Methoxy-1H-pyrrolo[3,2-b]pyridine structure")
![O-Benzyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-threonine structure](https://static.chemtradehub.com/structs/198/198561-81-8-a56e.webp "O-Benzyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-threonine structure")
O-Benzyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-threonine
CAS Number:
198561-81-8
Molecular Formula:
C27H27NO5
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