Radiation Effect in Dimethyl-Diphenyl Siloxane Copolymer. II. Effect of Temperature on Crosslinking During Irradiation

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概要

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• Crosslinkings in polydimethyl siloxane and polydimethyl-diphenyl siloxane irradiated with Co-60 γ-rays were studied in the temperature range from 67℃ to -196℃. The G-value of crosslinking for polydimethyl siloxane depended on temperature above -100℃ and the crosslinking reaction was explained by radical process; below this temperature, the G-value was not dependent on temperature and the reaction was considered to be due to non-radical process. On the other hand, the G-value of crosslinking for the polydimethyl-diphenyl siloxane depended on temperature over the whole temperature range, and the reaction was due to radical process. The relationship between crosslinking reaction and molecular motion is discussed.

• 社団法人日本物理学会の論文
• 1963-03-05

著者

• Koike Mitsuru

  Japan Atomic Energy Research Institute

• Koike M.

  Japan Atomic Energy Research Institute

関連論文

• Radiation Effects on Dimethyl-diphenyl Siloxane Copolymer. : I. Protective Effect of Phenyl Radical on the Cross-linking.
• Radiation Effect in Dimethyl-Diphenyl Siloxane Copolymer. II. Effect of Temperature on Crosslinking During Irradiation
• On the Mechanism of H-Atom Formation by Reaction of Electrons in Frozen Acidic Solutions at 77°K
• Gamma-Radiolysis of Aqueous Boric Acid Solution

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