Formation of 3,6-di-tert-butyl-2-hydroxyphenoxyl radicals upon the inhibition of polymerization of methyl methacrylate by the system containing 3,6-di-tert-butylpryocatechol and 3,6-di-tert-butyl-1,2-benzoquinone
- 23 Downloads
3,6-Di-tert-butyl-2-hydroxyphenoxyl radicals (QH.) were detected by EPR spectroscopy in a mixture of 3,6-di-tert-butylpyrocatechol (QH2) and 3,6-di-tert-butyl-1,2-benzoquinone (Q) in the polymerization of methyl methacrylate. The rate constant for the reaction QH2 + Q⇄ 2QH. and the rate contants for the forward and back reactions were determined at 60°C.
KeywordsPolymerization Spectroscopy Methyl Benzoquinone Methacrylate
Unable to display preview. Download preview PDF.
- 1.L. I. Mazaletskaya and G. V. Karpukhina, Kinet. Katal.,30, No. 2, 308 (1989).Google Scholar
- 2.A. I. Prokof'ev, N. N. Bubnov, and S. P. Solodovnikov, et al., Dokl. Akad. Nauk SSSR,210, 361 (1973).Google Scholar
- 3.B. L. Tumanskii, S. P. Solodovnikov, A. I. Prokof'ev, et al., Izv. Akad. Nauk SSSR, Ser. Khim., No. 6, 1309 (1977).Google Scholar