造纸法再造烟叶与烟叶部分物理特性指标的对比分析

摘要

The physical characteristics were compared between paper-making process reconstituted tobacco (RT) and tobacco leaf in terms of the tensile force, shearing force and friction coefficient. Nine leaf samples of different grades and eight RT samples of different specifications were tested. The results indicated that: 1) The longitudinal shearing force and tensile force of RT were obviously higher than the transverse ones of RT, and the static friction coefficient of RT was higher than its dynamic friction coefficient. 2) The shearing force and tensile force of RT were remarkably higher than those of tobacco leaf, while its friction coefficient was obviously smaller than that of tobacco leaf. 3) The shearing force, tensile force and friction coefficient of RT closely correlated to its true density, cross-sectional fiber morphology and surface properties.%为明确造纸法再造烟叶与烟叶物理特性的差异，分析了9个不同产区、等级烟叶样品和国内5个不同企业的8个规格造纸法再造烟叶样品的拉力、剪切力、摩擦系数，比较了造纸法再造烟叶和烟叶物理特性指标的差异。结果表明：①造纸法再造烟叶纵向剪切力、拉力明显大于其横向剪切力、拉力，造纸法再造烟叶静态摩擦系数大于其动态摩擦系数；②造纸法再造烟叶剪切力、拉力明显大于烟叶剪切力、拉力，造纸法再造烟叶摩擦系数明显小于烟叶摩擦系数；③造纸法再造烟叶剪切力、拉力、摩擦系数等物理特性指标与其真密度、截面纤维形态、表面特性密切相关。