Characterization of network structure in radiation-cured resins of polyfunctional acrylic ester and N-vinylpyrrolidone by MALDI-MS combined with supercritical methanolysis

文献情報

出版日 2010-05-19

DOI 10.1039/C0PY00026D

インパクトファクター 5.582

著者

Hideki Matsubara, Hiroyasu Kataoka, Hajime Ohtani

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要旨

The cross-linking structures of the ultraviolet and electron beam cured resins prepared from pentaerithritol triacrylate and N-vinylpyrrolidone (VP) mixtures were characterized by matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) combined with supercritical methanolysis. The MALDI-mass spectra of the methanolysis products contained a series of peaks of sodium-cationized methyl acrylate/VP co-oligomers formed through selective cleavage and methylation at ester linkages in the radiation-cured resins, which reflected the cross-linking sequences. The composition distributions of the methanolysis products were interpreted in terms of curing conditions such as energy source, photoinitiators, dosage of radiation and formulations.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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Characterization of network structure in radiation-cured resins of polyfunctional acrylic ester and N-vinylpyrrolidone by MALDI-MS combined with supercritical methanolysis

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