Kinetics of Free Radical Polymerization of N-Substituted Amides and Their Structural Implications

Two N-substituted amides (N-acryloyl morpholine and N-methyl-N-vinylacetamide) were polymerized in different solvents using radical initiator. The tacticity of obtained polymers was determined by 400 MHz 1H-NMR and 13C-NMR. At a given temperature, the syndiotacticity increased with increasing the so...

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Published inAdvances in materials science and engineering Vol. 2016; no. 2016; pp. 1 - 9
Main Authors Tecuceanu, Victorita, Nicolescu, Alina, Albu, Ana-Maria, Aldea, Anca
Format Journal Article
LanguageEnglish
Published Cairo, Egypt Hindawi Publishing Corporation 01.01.2016
Hindawi Limited
Subjects
Free radicals
Methods
Molecular weight
Nanostructured materials
Polymerization
Polymers
Studies
Temperature effects
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Summary:Two N-substituted amides (N-acryloyl morpholine and N-methyl-N-vinylacetamide) were polymerized in different solvents using radical initiator. The tacticity of obtained polymers was determined by 400 MHz 1H-NMR and 13C-NMR. At a given temperature, the syndiotacticity increased with increasing the solvent polarity. This solvent effect may be related to the hydrogen bonding interaction among solvent, monomer, and/or growing species. A peculiar aspect regards the steric hindrance at the nitrogen atom.
ISSN:1687-8434
1687-8442
DOI:10.1155/2016/6430416