Degradation of Sodium-Polyacrylate in Dilute Aqueous Solution

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概要

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• It is shown using a capillary viscometer that the viscosity of a dilute aqueous solution of sodium-polyacrylate at 20℃ decreases gradually for each flow time measurement and also decreases with the time of rest. Assuming that the polymer degradation is caused by shearing stress and oxidation, their effects are discussed with the data obtained using a closed-type capillary viscometer derived for this investigation. It is proved from the results that rupture of the Na-PAA molecule is caused by mechanochemical degradation, and also photo-degradation under the usual illumination and sunlight in a laboratory.

• 社団法人応用物理学会の論文
• 1980-12-05

著者

• Saita Takao

  Department Of Physics Kyushu University

• Saita Takao

  Department Of Physics Faculty Of Science Kyushu University

関連論文

• Mechanism of E. M. F. Production in Sodium Sensitive Glass Electrode
• Degradation of Sodium-Polymethacrylate and Sodium-Carboxymethyl Cellulose in Dilute Aqueous Solution
• Degradation of Sodium-Polyacrylate in Dilute Aqueous Solution, II
• Degradation of Sodium-Polyacrylate in Dilute Aqueous Solution

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