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Heterogeneous factors in the photochemical polymerization of methyl methacrylate

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Abstract

A study has been made of the photopolymerization kinetics of methyl methacrylate in bulk. There is an induction period if λ>310 nm, but this is reduced by previous evacuation of the vessels at 300‡ C and by exposure to shortwave UV. Wavelengths out to 410 nm will produce polymerization. The quantum yield for chain initiation is 0.001 at 303–313 nm and 0.0003 at 253.7 nm. Initiation occurs at the vessel wall for λ>310 nm, evidently as a result of a long-wave shift in the absorption band of the monomer.

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Authors and Affiliations

  1. Institute of the Chemistry of High-Molecular Compounds, AS UkrSSR, Kiev

    A. A. Kachan, A. A. Degtyareva & V. A. Shrubovich

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  1. A. A. Kachan
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  2. A. A. Degtyareva
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  3. V. A. Shrubovich
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Kachan, A.A., Degtyareva, A.A. & Shrubovich, V.A. Heterogeneous factors in the photochemical polymerization of methyl methacrylate. Theor Exp Chem 4, 404–407 (1971). https://doi.org/10.1007/BF00531048

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