一种具有双孔道纳米孔结构的Ｂ２Ｏ３／Ａｌ２Ｏ３复合粉体及其制备方法技术

本发明专利技术提供了一种具有双孔道纳米孔结构的Ｂ２Ｏ３／Ａｌ２Ｏ３复合粉体，其特征在于，双孔道孔径分布分别为：窄孔道孔径为３．５～４．０ｎｍ，宽孔道孔径为７．５～８ｎｍ；比表面积为２００～２８５ｍ２ｇ－１；孔容为０．３５～０．４５ｃｍ３ｇ－１。同时，本发明专利技术提供了该复合粉体的合成方法，采用非离子表面活性剂为结构导向剂、非水反应体系为溶剂、复合铝盐为铝源、以及采用硼酸为硼源，合成了具有双孔道结构、比表面大的Ｂ２Ｏ３／Ａｌ２Ｏ３复合粉体。本发明专利技术的方法简单易行，而且合成效率高；该方法制备的具有双孔道纳米孔结构的Ｂ２Ｏ３／Ａｌ２Ｏ３复合粉体在分离、催化、吸附及传感器等方面具有广阔的应用前景。

B2O3 / Al2O3 composite powder with double pore nano pore structure and preparation method thereof

The invention provides a B2O3 / Al2O3 composite powder with double channel nano pore structure, which is characterized in that the double pore pore size distribution were narrow pore diameter is 3.5 ~ 4.0nm, wide pore diameter is 7.5 ~ 8nm; the specific surface area was 200 ~ 285m2g - 1; Kong Rong 0.35 ~ 0.45cm3g - 1. At the same time, the present invention provides a method for synthesizing the compound powder, using nonionic surfactant as structure directing agent and water as solvent, the reaction system of aluminium salt as aluminum source, and by using boric acid as a boron source, was synthesized with double pore structure, large specific surface area of the B2O3 / Al2O3 composite powder. The method is simple and easy, and high synthesis efficiency; the preparation method of the B2O3 / Al2O3 composite powder with double channel nano pore structure has a wide application prospect in separation, catalysis, adsorption and sensor etc..

【技术实现步骤摘要】

【技术保护点】
一种具有双孔道纳米孔结构的Ｂ↓［２］Ｏ↓［３］／Ａｌ↓［２］Ｏ↓［３］复合粉体，其特征在于，所述双孔道孔径分布分别为：窄孔道孔径为３．５～４．０ｎｍ，宽孔道孔径为７．５～８ｎｍ；比表面积为２００～２８５ｍ↑［２］ｇ↑［－１］；孔容为０．３５～０．４５ｃｍ↑［３］ｇ↑［－１］。

【技术特征摘要】

【专利技术属性】
技术研发人员：刘茜，修同平，赫伟，
申请(专利权)人：中国科学院上海硅酸盐研究所，
类型：发明
国别省市：31[中国|上海]