Thin-Film Formation of Calcium Carbonate Crystals: Effects of Functional Groups of Matrix Polymers
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- Naoya Hosoda
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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- Takashi Kato
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
書誌事項
- 公開日
- 2001-02-01
- DOI
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- 10.1021/cm000817r
- 公開者
- American Chemical Society (ACS)
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説明
We report on the preparation of the thin films of calcium carbonate (CaCO3) crystals on solid matrixes, i.e., cellulose, chitosan, and chitin in the presence of an acidic macromolecule. The crystal growth from CaCO3 solution containing poly(acrylic acid) as a soluble acidic polymer results in the formation of CaCO3 thin-film crystals about 0.8 μm in thickness on these solid matrixes. The crystallite size is estimated to be about 30 nm by X-ray measurements and SEM observation. The derivatives of these polysaccharides, whose functional groups of the OH and NH groups are protected, have been prepared and employed as insoluble solid matrixes. No precipitation is observed for the crystallization on the polysaccharide derivatives possessing no proton-donating group even in the presence of poly(acrylic acid). Rhombohedral calcite crystals are obtained from the solution in the absence of the acidic polymer. The infrared spectra for the solid matrixes soaked in the solution show that the acidic polymer is adsorbe...
収録刊行物
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- Chemistry of Materials
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Chemistry of Materials 13 (2), 688-693, 2001-02-01
American Chemical Society (ACS)
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詳細情報 詳細情報について
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- CRID
- 1361699994889709184
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- ISSN
- 15205002
- 08974756
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- データソース種別
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- Crossref
- OpenAIRE
