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Citation: Zhang Lin-Yang, Zhang Jia-Mu, . The Effect of Light Intensity on the Photoinduced BrC₂F₄Br+C₂F₄ Telomerization Reaction[J]. Acta Physico-Chimica Sinica, ;1995, 11(04): 308-314. doi: 10.3866/PKU.WHXB19950405 shu

The Effect of Light Intensity on the Photoinduced BrC₂F₄Br+C₂F₄ Telomerization Reaction

Zhang Lin-Yang ,
Zhang Jia-Mu ,

1.
University of Science and Technology of China,Hefei 230026

Received Date: 22 March 1994
Available Online: 15 April 1995

BrC2F4Br+C2F4 reaction induced by different light source (KrF laser, Xe-lamp, low pressure Hg-lamp) has been investigated. Experiments show that the reaction product distribution depends not only on reaction composition, but on light intensity and light source as well. A reaction mechanism has been suggested and the rate constant of the addition reaction has been calculated by kinetic analysis, for BrC2F4+C2F4→BrC4F8 kadd=(2±1)×107cm3•mol-1•s-1 (room temp.); Br(C2F4)n≧2+C2F4 addition reaction, kadd=(1.2±0．4）×107Cm3•mol-1•s-1．
- Photoreaction,
- Telomerization,
- Rection mechanism,
- Rate constant of addition reaction
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通讯作者: 陈斌, bchen63@163.com

The Effect of Light Intensity on the Photoinduced BrC₂F₄Br+C₂F₄ Telomerization Reaction