以双子表面活性剂模板合成

碳酸钙-环糊精复合材料*

Abstract

Abstract: Mixed aqueous solution of cationic gemini surfactant hexamethylene-1，6-bis（dodecyldimethylammonium bro- mide（12-6-12） and anionic surfactant sodium dodecyl sulfate（SDS），and 12-6-12/n-butanol/n-octane/water microemul- sion were used as templates to prepare calcium carbonate-cyclodextrin composite materials with brick-and-mortar structures like nacre.Structures and morphologies of materials were characterized by XRD，IR，and TEM experiments.Relationship between sizes and electric charges of templates and materials′ morphologies was investigated，and the mechanism of brick-and-mortar structure formation was also put forward.

Key words: calcium carbonate, cyclodextrin, gemini surfactant, nacre, biomineralization

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Inorganic Acid-Base-Salt Committee of CIESC

Preparation of calcium carbonate-cyclodextrin composite materials by gemini surfactant templates

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