NDLI: Rapid and sensitive determination of the conversion of UV-cured acrylic ester resins by pyrolysis-gas chromatography in the presence of an organic alkali.

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Rapid and sensitive determination of the conversion of UV-cured acrylic ester resins by pyrolysis-gas chromatography in the presence of an organic alkali.

Content Provider	Semantic Scholar
Author	Matsubara, Hideki Ohtani, Hajime
Copyright Year	2007
Abstract	The double-bond conversion of UV-cured resins prepared from pentaerythritol triacrylate (PETA) was determined by pyrolysis-gas chromatography in the presence of an organic alkali, tetramethylammonium hydroxide (TMAH). The pyrogram of the uncured prepolymer compound, consisting of PETA and a photoinitiator, 2,2-dimethoxy-2-phenylacetophenone, contained specific products reflecting the original acrylate structure, such as methyl acrylate (MA) and methyl ethers of pentaerithritol. Meanwhile, in pyrograms of the UV-cured PETA, the yields of MA considerably decreased. The double-bond conversions of the cured resins, irradiated with various UV dosages, were calculated based on the relative yields of MA among specific products in the pyrograms. The conversions determined by this approach were analyzed by comparing them with those estimated by Fourier-transform infrared spectroscopy.
Starting Page	31
Ending Page	46
Page Count	16
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.jstage.jst.go.jp/article/analsci/23/5/23_5_513/_pdf
PubMed reference number	17495393v1
Volume Number	23
Issue Number	5
Journal	Analytical sciences : the international journal of the Japan Society for Analytical Chemistry
Language	English
Access Restriction	Open
Subject Keyword	2,2-dimethoxy-2-phenylacetophenone Alkalies Contain (action) Delirium, Dementia, Amnestic, Cognitive Disorders Dosage Esters Gas Chromatography Hydroxide Ion Methyl Ethers NG-Nitroarginine Methyl Ester Organic Chemicals Resins, Plant methyl acrylate pentaerythrityl triacrylate tetramethylammonium hydroxide
Content Type	Text
Resource Type	Article

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