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2-Methylol-thioxanthone as a free radical polymerization initiator

Paper ID Volume ID Publish Year Pages File Format Full-Text
29242 44137 2007 4 PDF Available
Title
2-Methylol-thioxanthone as a free radical polymerization initiator
Abstract

2-Methylol-thioxanthone (TX-M) was synthesized and characterized as a new photoinitiator. Photopolymerization experiments were performed with methyl methacrylate and also trimethylolpropanetriacrylate (TMPTA) as a multifunctional monomer in the presence of TX-M with N-methyl diethanol amine. Polymerization did not occur in an air atmosphere with TX-M without adding MDEA. The inhibiting effect of oxygen on the rate of polymerization was observed to be due to quenching of the triplet radicals by the carbonyl compound (TX-M).

Keywords
Thioxanthone; Photoinitiator; Type II system; Free radical polymerization
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 191, Issues 2–3, 25 September 2007, Pages 149–152
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
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