The yield of singlet oxygen (@lo, ) in quenching of the triplets of 1.2.5.6dibenzanthracene. 1,2-benznnthncene. authracene. pyranthrene and duroquinone by oxygen has been studied using the laser photolysis technique. It ~3s found that in toluene @to2 = 1.0 + 0.1 and the quenching occurs via the ener
Effects of oxygen on anionic butadiene telomerization in hydrocarbon solvents
β Scribed by Hajime Hara; Yoshihiko Araki; Yutaka Ohotsuki; Atsusi Kaiya; Shingo Orii; Shoji Iida; Kazuo Miyazaki
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 428 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0021-8995
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## Abstract The kinetics of anionic polymerization of MMA has been studied at β78βΒ°C in tolueneβTHF (9:1 v/v) using 1,1β²βdiphenylhexyl lithium as initiator in the presence of lithium perchlorate and lithium chloride as Lewis acid additives. The control of the polymerization is lost in the absence o