Study of Photoinitiated Radical Copolymerization and Sequences of Acrylate-Vinyl Ether Systems

Acrylate-vinyl ether copolymerization was analyzed by real-time FTIR, 1H and 13C NMR, confirmed that vinyl ethers were readily polymerized with acrylates in radical mechanism. Polymerization process of each monomer was monitored independently by real-time FTIR. While acrylate conversion was close to...

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Bibliographic Details
Published in:Journal of Photopolymer Science and Technology 2009/06/30, Vol.22(3), pp.295-300
Main Authors: Oota, Emiko, Kaji, Makoto, Abe, Mika, Hirai, Osamu
Format: Article
Language:English
Subjects:
acrylate
Acrylates
Conversion
copolymerization
Ethers
Monomers
NMR
Nuclear magnetic resonance
Radicals
Real time
real-time FTIR
vinyl ether
Vinyl ethers
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Summary:Acrylate-vinyl ether copolymerization was analyzed by real-time FTIR, 1H and 13C NMR, confirmed that vinyl ethers were readily polymerized with acrylates in radical mechanism. Polymerization process of each monomer was monitored independently by real-time FTIR. While acrylate conversion was close to 100 %, vinyl ether conversion decreased as vinyl ether fraction in formulation increased. Conversion and copolymer compositions were determined by 1H NMR. It was found that any continuous vinyl ether sequences was not produced as a result of sequence analysis by 13C NMR as well as real time FTIR kinetics. 13C NMR study also indicated that propagating acrylic terminal was more reactive with vinyl ether monomer, than with acrylate.
ISSN:0914-9244
1349-6336
1349-6336
DOI:10.2494/photopolymer.22.295