环保超疏水防潮瓦楞纸箱的制备及性能研究

目的 针对瓦楞纸箱易受潮而使其失去原有性能的问题，对其进行超疏水防潮改性，并研究改性方法对其性能的影响。方法 通过真空吸附涂布的方式，采用具有低表面能的硬脂酸与可构建表面粗糙度的纳米二氧化硅粒子结合，再引入聚二甲基硅氧烷增强涂层与纸板之间粘合力的方法制备超疏水防潮纸箱，对其进行润湿性和力学性能的表征。结果 改性后的纸板水接触角可达到150°以上，水分吸附率大幅降低，在此基础之上其边压强度未受到不良影响，且耐磨性能优良。结论 文中所述超疏水涂层的制备工艺简单，材料绿色环保，所得纸箱防潮性能、力学性能良好。

Preparation and Performance of Environmentally Friendly Super-hydrophobic and Moisture-proof Corrugated Box

In order to solve the problem that corrugated boxes are easy to be affected by moisture and lose their original properties, the superhydrophobic and moisture-proof modification was carried out, and the effect of modification on their performance was studied. Stearic acid with low surface energy was combined with nano silica particles which can construct surface roughness, and then polydimethylsiloxane was introduced to enhance the adhesion between the coating and paperboard. The moisture-proof carton was prepared by vacuum adsorption coating, and its wettability and mechanical properties were characterized. The water contact angle of the modified cardboard can reach more than 150° and the water adsorption rate was greatly reduced. On this basis, the edgewise compressive strength was not affected, and the wear resistance was excellent. The preparation process of the superhydrophobic coating described in this paper is simple and the materials are green and environmentally friendly. The obtained carton has good moisture resistance, mechanical properties, and mechanical properties.