Acceleration of radical exchange and combination in 1-propanol under irradiation and boiling

Add time:07/24/2019    Source:sciencedirect.com

The yield of radiolytic degradation of 1-propanol is 13.3 ± 0.9 molecules/100 eV in a boiling state and 10.1 ± 0.9 molecules/100 eV in ambient conditions when irradiated with 8 MeV accelerated electrons. Boiling increases the yields of diols by 1.7 times and of heavy monohydric alcohols arising via the radical combination by 1.3 times. At the same time, due to boiling, the total yield of methanol and ethanol decreases 2.1 times, and the yield of aldehydes and hydrocarbons − 1.3 times. Boiling accelerates the dissociation of some radicals and radical-cations, facilitates the radical exchange and favors a combination of hydroxypropyl radicals. However, both in liquid and boiling alcohol, the total yield of splitting of C–H bonds remains approximately twice as high as C–C bonds.

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