Effects of ionizing radiations on polyvinyl alcohol : I. Breakdown of main-chain and formation of carbonyl groups

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概要

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• Polyvinyl alcohol in the form of film and powder were irradiated in the air by gamma rays from cobalt-60 source, and by deuterons accelerated by a cyclotron. Weight changes, viscosity, solubility and infrared absorption spectra of irradiated samples were measured as a function of absorbed dose. The reduction of the molecular weight of the irradiated specimens was observed suggesting that the effect was one of degradation. Infrared absorption spectra showed the formation of the carbonyl groups in the irradiated specimen.

• 1958-06-05

著者

• Danno Akibumi

  Faculty Of Engineering University Of Tokyo:(present)japan Atomic Energy Research Institute

関連論文

• Gel Formation of Aqueous Solution of Polyvinyl Alcohol Irradiated by Gamma Rays from Cobalt-60
• Effects of Ionizing Radiation on Polyvinyl Alcohol : II. Changes of Physical Properties of the Irradiated Specimen Caused by Heat Treatment
• Effects of ionizing radiations on polyvinyl alcohol : I. Breakdown of main-chain and formation of carbonyl groups
• Effects of Ionizing Radiations on Polyethylene

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