Diffusion Processes in Polymers under Irradiation; Polyvinyl Alcohol and CCl_4 System
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概要
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When the PVA film is irradiated in CCl_4, PVA is swollen and crosslinked. A Phenomenological theory is proposed for this experiment. The processes are considered that with the change of diffusion constant CCl_4 enters into PVA as the radiation dose increases, and the radicals from CCl_4 react upon PVA and cause crosslinking. The results of calculation agree reasonably with experiments, that is, the weight changes of swollen polymers against the total dose, the gel fraction changes and the viscosity average molecular weight changes in sol fractions against the total dose. Other various mechanisms that can be considered are discussed .
- 社団法人日本物理学会の論文
- 1958-11-05
著者
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Watanabe Tsutomu
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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Watanabe Tsutomu
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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