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CFCs replacements: Reactivity and atmospheric lifetimes of a series of Hydrofluoroolefins towards OH radicals and Cl atoms
Chemical Physics Letters ( IF 2.8 ) Pub Date : 2018-11-02 , DOI: 10.1016/j.cplett.2018.10.078
Cynthia B. Rivela , Carmen M. Tovar , Mariano A. Teruel , Ian Barnes , Peter Wiesen , María B. Blanco

A study of the temperature dependence of the gas-phase reactions of OH radicals and Cl atoms with a series of hydrofluroolefins: 2-fluoropropene (CH3CF=CH2), hexafluoroisobutylene ((CF3)2C=CH2) and (E/Z)-1,2,3,3,3-pentafluoropropene ((E/Z)-CF3CF=CHF) has been performed. The relative-rate technique was used to determine rate coefficients over the temperature range 287-313 K.

This work constitutes the first temperature dependence study of OH radicals and Cl atoms with 2-fluoropropene and (E/Z)-1,2,3,3,3-pentafluoropropene and for the reaction of Cl with hexafluoroisobutylene. Atmospheric implications are discussed with particular reference to the rate coefficients obtained as a function of the temperature.



中文翻译:

氟氯化碳的替代品:一系列氢氟烯烃对OH自由基和Cl原子的反应性和大气寿命

OH自由基和Cl原子与一系列氢氟烯烃的气相反应的温度依赖性研究:2-氟丙烯(CH 3 CF = CH 2),六氟异丁烯((CF 32 C = CH 2)和(已经进行了E / Z)-1,2,3,3,3-五氟丙烯((E / Z)-CF 3 CF = CHF)。相对速率技术用于确定温度范围287-313 K的速率系数。

这项工作构成了OH自由基和Cl原子与2-氟丙烯和(E / Z)-1,2,3,3,3-五氟丙烯以及Cl与六氟异丁烯反应的第一个温度依赖性研究。特别参考获得的速率系数作为温度的函数来讨论大气影响。

更新日期:2018-11-05
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