Radiation-induced reactions of benzoyl chloride and acrylates in solution. A pulse radiolysis study

文献情報

出版日 2000-01-22

DOI 10.1039/A907162H

インパクトファクター 3.676

著者

Wolfgang Knolle, Uwe Müller, Reiner Mehnert

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要旨

Using electron pulse radiolysis with optical detection, the radiation-induced reactions of benzoyl chloride and acrylates were studied in tetrahydrofuran and acetonitrile solution at room temperature. In both solvents electron transfer leads to the formation of transient radical anions of acrylates (k≈2–3×1010 dm3 mol−1 s−1) and of benzoyl chloride (k≈3×1010 dm3 mol−1 s−1). The latter dissociates into chloride ion and the benzoyl radical (k=3×106 s−1), whereas the acrylate anion transforms by protonation into a ketyl-type radical. In mixed solutions a fast electron transfer from acrylate anions to benzoyl chloride is found (k≈1×1010 dm3 mol−1 s−1). The benzoyl chloride anion reacts with the monomer (k=2.8×109 dm3 mol−1 s−1) with simultaneous release of Cl−, forming species which may initiate polymerization. In the presence of oxygen the formation of benzoylperoxy radicals (k=1.6×109 dm3 mol−1 s−1), showing a strong absorption band in the near-UV (λmax=400 nm), is observed.

掲載誌

Physical Chemistry Chemical Physics

CiteScore: 5.5

自己引用率: 10.3%

年間論文数: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

Radiation-induced reactions of benzoyl chloride and acrylates in solution. A pulse radiolysis study

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Physical Chemistry Chemical Physics

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