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Published
: 2021-01-12
Mercaptoalkoxy-thioxanthones as novel photoinitiators for free radical polymerization – mechanistic study
Abstract
Three mercaptoalkoxy-thioxanthones were developed as new photoinitiators for radical polymerization. These compounds can act as either one- or two-component photoinitiating systems. The quenching of the excited triplet states of thioxanthone derivatives by aromatic amines was investigated in dimethyl sulfoxide (DMSO). Based on the mechanism of the intermolecular electron-transfer process, we proposed sequence of reactions leading to the formation of radicals that are capable of initiating the polymerization reaction.
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Ścigalski, F., Obrębowska, A., & Bajorek, A. (2021). Mercaptoalkoxy-thioxanthones as novel photoinitiators for free radical polymerization – mechanistic study. Polimery, 64(3), 190–198. https://doi.org/10.14314/polimery.2019.3.4
