Preparation method of barium oxalate hydrate microcrystal with firewood morphology

A technology of hydrated barium oxalate and morphology, applied in carboxylate preparation, organic chemistry, etc., can solve the problems of complex preparation methods and low product quality, and achieve the effects of low preparation cost, high product yield and good dispersibility
CN102320952BInactive Publication Date: 2014-07-02BOHAI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BOHAI UNIV
Publication Date
2014-07-02
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention belongs to the field of preparation of inorganic non-metallic materials, and in particular relates to a preparation method of hydrated barium oxalate (BaC2O4·0·5H2O) microcrystals with the appearance of firewood. At 50°C, aging for 2-24 hours, then filtered, washed, and dried to obtain hydrated barium oxalate microcrystals. The soluble divalent barium salt of the present invention is one or a mixture of barium chloride, barium nitrate or barium acetate, and the soluble oxalate is one or a mixture of sodium oxalate, potassium oxalate or ammonium oxalate. The process of the invention is simple and easy, high in purity, low in impurity content, good in dispersibility and low in cost, and the obtained product has a diameter of 1-3 mm and a length of 5-15 mm. The hydrated barium oxalate crystallite with the appearance of firewood prepared by the invention can be widely used in the fields of automobiles, electronics, machinery, chemical industry, construction and the like, and is also an excellent precursor for preparing other barium salt functional materials.
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Description

technical field

[0001] The invention belongs to the field of preparation of inorganic non-metallic materials, and in particular relates to a preparation method of hydrated barium oxalate crystallite with the appearance of firewood. Background technique

[0002] Micro-nano functional materials have become indispensable and important application materials in modern science and technology, and more and more people pay more and more attention to their preparation and performance research. The physicochemical properties of micro / nano functional materials largely depend on their crystalline morphology, microstructure and size. In recent years, controlling the crystallographic morphology and particle size of functional materials at the micro-nano scale has become a very important research field, and materials scientists are increasingly required to propose more effective synthesis reactions and synthesis techniques, formulate Energy-saving, clean and economical synthesis route. T...

Claims

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