烟用内衬纸中VOCs残留量的控制方法

A method for reducing VOC residues in inner liner for cigarette

为降低烟用内衬纸中挥发性有机化合物(VOCs)的残留量,利用单因素实验法和正交实验法测定了内衬纸原料(原纸、转移膜、涂色胶)中的VOCs残留量,以确定内衬纸成品中VOCs的主要来源;考察了内衬纸生产中版辊参数、烘干温度及复合机运行速度与VOCs残留量的关系,以确定最佳工艺参数。结果表明:(1)内衬纸中VOCs的主要来源为涂色胶;(2)版辊网线数为70线/cm,深度为45μm时,涂色胶用量约为5.0 g/m^(2),印刷效果最佳并减少了VOCs残留量;(3)烘干温度为(100±5)℃,运行速度为(60±5)m/min时,VOCs残留量为6.69 mg/m^(2),比工艺参数优化前降低44.7%。该方法可为提高卷烟产品吸食品质提供支持。

To reduce the residues of volatile organic compounds(VOCs)in the inner liner for cigarette,the VOC contents in the raw materials(base paper,transfer film,coloring glue)were analyzed based on a single-factor experiment and orthogonal tests to determine the main sources of VOC residues in the inner liner.The relationships between the plate roller parameters,drying temperature and combination machine running speed during the inner liner production with the VOC residue levels were investigated to determine the optimal technical parameters.The results showed that:1)Coloring glue was the main source of VOCs in the inner liner.2)The VOC residues were reduced and the printing effect was improved when the net line amount of plate roller was 70 line/cm with the depth of 45μm and the amount of coloring glue was about 5.0 g/m^(2).3)At the drying temperature of(100±5)℃and the running speed of(60±5)m/min,the VOC residue level was6.69 mg/m^(2),which was 44.7%lower than that before the parameter optimization.This method provides a useful support for promoting the smoking quality of cigarette products.