纳米MgO的制备及其在抗静电整理中的应用

Preparation of nanometer MgO and its application in antistatic finishing

为将纳米粒子应用于织物的功能整理,以硝酸镁和碳酸钠为原料,采用直接沉淀法制备纳米MgO,并用差示扫描量热分析和X射线衍射等方法对产物的结构与性能进行表征。分析反应物浓度、配比、反应温度及煅烧温度和时间等条件对纳米MgO活性的影响,得到制备纳米MgO的最佳反应条件:反应温度40℃,超声振荡50 min,反应物浓度1.5 mol/L,反应物配比1∶3,550℃下煅烧2.5 h。利用以纳米MgO复配成的抗静电整理剂对棉织物及涤纶织物进行功能整理,抗静电性能测试结果表明,整理后织物具有较好的抗静电效果。

For applying nano-particles to the functional finishing of textiles, nanometer MgO was prepared direct precipitation method with magnesium nitrate and sodium carbonate decahydrate as raw materials, and structure and property were characterized by DSC and XRD. The effects of concentration and ratio of reactants, reaction temperature, calcining temperature and calcining time on the activity of MgO nanopartieles were analyzed, and the optimal reaction conditions for preparing nanosize MgO were determined as follows： reaction temperature 40 ℃, time of the ultrasonic vibration 50 min, concentration of the reactant 1.5 mol/L, ratio of the reactants 1 ： 3, calcining temperature 550 ℃ and calcining time 2.5 h. The antistatic properties of cotton and polyester fabrics finished with nanometer MgO as an antistatic finishing agent were tested. The results show that the treated fabrics have been imparted with good antistatic properties.