The kinetics of the polymerization of silicic acid.

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概要

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• The process of the polymerization of silicic acid can be divided into three steps: (1) a reaction between monosilicic acids, (2) a reaction between monosilicic and polysilicic acids, and (3) a reaction between polysilicic acids. The rates of the reactions between monomer-monomer, monomer-polymer and polymer-polymer are most rapid at pH values around 9.3, 8.5, and 6.8 respectively. It is concluded that, above about pH 4, the polymerization due to Reactions 1, 2, and 3 proceeds mainly by a reaction between ionized and un-ionized silanol groups.

• 公益社団法人 日本化学会の論文

著者

• Shimada Kanichi

  Department of Chemistry, Faculty of Science, Kyushu University

• Tarutani Toshikazu

  Department of Chemistry, Faculty of Science, Kyushu University

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• 27Al NMR study on the interaction between aluminate and silicate ions in alkaline solution.

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