Kinetic parameters for the initiation reaction RH+O2→R+HO2
作者： T. Ingham , R.W. Walker , R.E. Woolford
DOI: 10.1016/S0082-0784(06)80709-5
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摘要: Results from studies of the oxidation isobutene between 400°C and 520°C have been used to determine Arrhenius parameters for an important chain initiation reaction (5). (CH3)2C=CH2+O2→CH2C(CH3)CH2+HO2. (5) Product analysis reveals that 2,5-dimethylhexa-1,5-diene (DMHDE) is a major product, formed in (7) which termination process. With minor corrections relationship, k5[i-C4H8][O2]= initial rate formation DMHDE, accurate values k5 are determined obtain log(A5/dm3 mol−1 s−1)=9.68±0.44 E5=161.2±6.4kJ mol−1. These excellent agreement with those analogous reactions HCHO+O2 C3H6+O2. No other reliable data available. 2CH2C(CH3)CH2→DMHDE. Novel experiments involving addition small amounts hydrocarbons (mostly alkenes) C3H6+ O2 mixtures kc number primary reactions. The approach extremely simple involves only measurement rates hexa-1,5-diene propene oxide. RH+O2→R+HO2. (C) A database recommended general use modelling.
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